ci2-android-5-15/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-15/syz-executor3234741992 <...> t_size=140, ...}) = 0 [pid 931] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 931] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./119/cgroup" [pid 931] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 931] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./126/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./119/cgroup" [pid 931] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 310] getdents64(3 [pid 931] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] umount2("./126/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 931] <... symlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 931] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] close(3 [pid 313] newfstatat(AT_FDCWD, "./126/config" [pid 309] <... restart_syscall resumed>) = 0 [pid 931] <... unlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 313] umount2("./126/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./119" [pid 931] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 931] <... unlinkat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./126/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 931] close(3 [pid 313] <... openat resumed>) = 4 [pid 310] mkdir("./120", 0777 [pid 309] <... openat resumed>) = 3 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 931] close(4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 931] close(5 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] fstat(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./119/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 931] close(6 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./119/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./119/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./119/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 932 attached [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 122 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 932] set_robust_list(0x55555bb49760, 24 [pid 931] close(7 [pid 313] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./119/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 932] <... set_robust_list resumed>) = 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./126/config" [pid 311] umount2("./121/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 932] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 932] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 931] close(8 [pid 313] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 932] chdir("./120" [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./121/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 932] <... chdir resumed>) = 0 [pid 931] close(9 [pid 313] newfstatat(AT_FDCWD, "./126/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] close(4 [pid 932] <... prctl resumed>) = 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./121/config" [pid 309] <... close resumed>) = 0 [pid 932] setpgid(0, 0 [pid 931] close(10 [pid 313] unlink("./126/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./119/config" [pid 932] <... setpgid resumed>) = 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./121/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 932] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 931] close(11 [pid 313] umount2("./126/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 932] <... symlink resumed>) = 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 932] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 931] close(12 [pid 313] newfstatat(AT_FDCWD, "./126/cgroup.net" [pid 311] openat(AT_FDCWD, "./121/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./119/binderfs" [pid 932] <... symlink resumed>) = 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 932] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 931] close(13 [pid 313] unlink("./126/cgroup.net" [pid 311] fstat(4 [pid 309] unlink("./119/binderfs") = 0 [pid 932] <... symlink resumed>) = 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./119/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 931] close(14 [pid 313] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 932] <... openat resumed>) = 3 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./119/cgroup.net" [pid 932] write(3, "1000", 4 [pid 931] close(15 [pid 313] umount2("./126/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 932] <... write resumed>) = 4 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./119/cgroup.net" [pid 932] close(3 [pid 931] close(16 [pid 313] newfstatat(AT_FDCWD, "./126/cgroup.cpu" [pid 311] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 932] <... close resumed>) = 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./119/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 932] symlink("/dev/binderfs", "./binderfs" [pid 931] close(17 [pid 313] unlink("./126/cgroup.cpu" [pid 311] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 932] <... symlink resumed>) = 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./119/cgroup.cpu" [pid 932] write(1, "executing program\n", 18 [pid 931] close(18 [pid 313] <... unlink resumed>) = 0 executing program [pid 311] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 932] <... write resumed>) = 18 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./126/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./121/config" [pid 309] unlink("./119/cgroup.cpu" [pid 932] mkdirat(AT_FDCWD, "./config", 0777 [pid 931] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./119/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 932] <... mkdirat resumed>) = 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./126/cgroup" [pid 311] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./119/cgroup" [pid 932] mount(NULL, "./config", "configfs", 0, NULL [pid 931] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 932] <... mount resumed>) = 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./126/cgroup" [pid 311] newfstatat(AT_FDCWD, "./121/binderfs" [pid 309] unlink("./119/cgroup" [pid 932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 931] close(21 [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 932] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] unlink("./121/binderfs" [pid 309] getdents64(3 [pid 932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 931] close(22 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 932] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 311] umount2("./121/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 931] close(23 [pid 313] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./119") = 0 [pid 309] mkdir("./120", 0777 [pid 932] <... mkdirat resumed>) = 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./126" [pid 311] newfstatat(AT_FDCWD, "./121/cgroup.net" [pid 309] <... mkdir resumed>) = 0 [pid 932] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 931] close(24 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./127", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 932] <... symlinkat resumed>) = 0 [pid 931] close(25 [pid 311] unlink("./121/cgroup.net" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] <... mkdir resumed>) = 0 [pid 932] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 933 attached [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 932] <... unlinkat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 122 [pid 933] set_robust_list(0x55555bb49760, 24 [pid 932] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 931] close(26 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./121/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 933] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 932] <... unlinkat resumed>) = 0 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 933] rt_sigprocmask(SIG_SETMASK, [] [pid 931] close(27ci2-android-5-15/strace-static-x86_64: Process 934 attached [pid 933] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 932] close(3 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./121/cgroup.cpu" [pid 934] set_robust_list(0x55555bb49760, 24 [pid 933] chdir("./120" [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 931] close(28 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 129 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 934] <... set_robust_list resumed>) = 0 [pid 933] <... chdir resumed>) = 0 [pid 932] close(4 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 934] rt_sigprocmask(SIG_SETMASK, [] [pid 933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 931] close(29 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] unlink("./121/cgroup.cpu" [pid 934] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 933] <... prctl resumed>) = 0 [pid 932] close(5 [pid 931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 934] chdir("./127" [pid 933] setpgid(0, 0 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 934] <... chdir resumed>) = 0 [pid 933] <... setpgid resumed>) = 0 [pid 932] close(6 [pid 931] exit_group(0 [pid 311] umount2("./121/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 933] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 931] <... exit_group resumed>) = ? [pid 934] <... prctl resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 934] setpgid(0, 0 [pid 933] <... symlink resumed>) = 0 [pid 932] close(7 [pid 934] <... setpgid resumed>) = 0 [pid 934] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 934] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 934] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 931] +++ exited with 0 +++ [pid 934] <... symlink resumed>) = 0 [pid 933] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./121/cgroup" [pid 934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 933] <... symlink resumed>) = 0 [pid 932] close(8 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 934] write(3, "1000", 4 [pid 933] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] unlink("./121/cgroup" [pid 934] <... write resumed>) = 4 [pid 934] close(3 [pid 933] <... symlink resumed>) = 0 [pid 932] close(9 [pid 934] <... close resumed>) = 0 [pid 934] symlink("/dev/binderfs", "./binderfs" [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 934] <... symlink resumed>) = 0 [pid 933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 932] close(10 [pid 311] getdents64(3 [pid 934] write(1, "executing program\n", 18) = 18 executing program [pid 934] mkdirat(AT_FDCWD, "./config", 0777 [pid 933] <... openat resumed>) = 3 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 934] <... mkdirat resumed>) = 0 [pid 933] write(3, "1000", 4 [pid 932] close(11 [pid 311] close(3 [pid 934] mount(NULL, "./config", "configfs", 0, NULL [pid 933] <... write resumed>) = 4 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 934] <... mount resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 933] close(3 [pid 934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 932] close(12 [pid 311] rmdir("./121" [pid 934] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 933] <... close resumed>) = 0 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... rmdir resumed>) = 0 [pid 934] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 933] symlink("/dev/binderfs", "./binderfs" [pid 932] close(13 [pid 311] mkdir("./122", 0777 [pid 934] <... mkdirat resumed>) = 0 [pid 934] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 934] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 934] <... unlinkat resumed>) = 0 [pid 933] <... symlink resumed>) = 0 [pid 932] close(14 [pid 311] <... mkdir resumed>) = 0 [pid 934] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 933] write(1, "executing program\n", 18 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 934] <... unlinkat resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 934] close(3 [pid 933] <... write resumed>) = 18 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 932] close(15 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 934] close(4 [pid 933] mkdirat(AT_FDCWD, "./config", 0777 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 934] close(5 [pid 933] <... mkdirat resumed>) = 0 [pid 932] close(16 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 934] close(6) = -1 EBADF (Bad file descriptor) [pid 934] close(7) = -1 EBADF (Bad file descriptor) [pid 934] close(8) = -1 EBADF (Bad file descriptor) [pid 934] close(9ci2-android-5-15/strace-static-x86_64: Process 935 attached ) = -1 EBADF (Bad file descriptor) [pid 933] mount(NULL, "./config", "configfs", 0, NULL [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] set_robust_list(0x55555bb49760, 24 [pid 934] close(10 [pid 935] <... set_robust_list resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] <... mount resumed>) = 0 [pid 935] rt_sigprocmask(SIG_SETMASK, [] [pid 934] close(11 [pid 933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 932] close(17 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 124 [pid 935] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 935] chdir("./122" [pid 934] close(12 [pid 933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 935] <... chdir resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 932] close(18 [pid 935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 934] close(13 [pid 935] <... prctl resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 935] setpgid(0, 0 [pid 934] close(14 [pid 935] <... setpgid resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 934] close(15 [pid 933] <... mkdirat resumed>) = 0 [pid 932] close(19 [pid 312] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 935] <... symlink resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 934] close(16 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 935] <... symlink resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 934] close(17 [pid 935] <... symlink resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 934] close(18 [pid 933] <... symlinkat resumed>) = 0 [pid 932] close(20 [pid 312] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 935] <... openat resumed>) = 3 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] write(3, "1000", 4 [pid 934] close(19 [pid 312] <... openat resumed>) = 3 [pid 933] <... unlinkat resumed>) = 0 [pid 935] <... write resumed>) = 4 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 932] close(21 [pid 312] fstat(3 [pid 935] close(3 [pid 934] close(20 [pid 935] <... close resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] <... unlinkat resumed>) = 0 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 935] symlink("/dev/binderfs", "./binderfs" [pid 934] close(21 [pid 933] close(3 [pid 932] close(22 [pid 935] <... symlink resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 935] write(1, "executing program\n", 18 [pid 934] close(22 [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] <... write resumed>) = 18 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] close(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 935] mkdirat(AT_FDCWD, "./config", 0777 [pid 934] close(23 [pid 935] <... mkdirat resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] mount(NULL, "./config", "configfs", 0, NULL [pid 934] close(24 [pid 935] <... mount resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 934] close(25 [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 932] close(23 [pid 312] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 935] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] close(5 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 934] close(26 [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 932] close(24 [pid 312] <... umount2 resumed>) = 0 [pid 935] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] close(6 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 934] close(27 [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 932] close(25 [pid 935] <... mkdirat resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 935] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 934] close(28 [pid 933] close(7 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./127/config" [pid 935] <... symlinkat resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 932] close(26 [pid 935] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 934] close(29 [pid 933] close(8 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 935] <... unlinkat resumed>) = 0 [pid 934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 932] close(27 [pid 312] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 935] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 934] exit_group(0 [pid 933] close(9 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 935] <... unlinkat resumed>) = 0 [pid 934] <... exit_group resumed>) = ? [pid 935] close(3 [pid 934] +++ exited with 0 +++ [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 932] close(28 [pid 312] openat(AT_FDCWD, "./127/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] close(10 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] close(4 [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 932] close(29 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... openat resumed>) = 4 [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] close(11 [pid 932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] close(5 [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] fstat(4 [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] close(12 [pid 932] exit_group(0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 935] close(6 [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 932] <... exit_group resumed>) = ? [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 935] close(7) = -1 EBADF (Bad file descriptor) [pid 933] close(13 [pid 935] close(8) = -1 EBADF (Bad file descriptor) [pid 935] close(9) = -1 EBADF (Bad file descriptor) [pid 935] close(10) = -1 EBADF (Bad file descriptor) [pid 935] close(11) = -1 EBADF (Bad file descriptor) [pid 935] close(12) = -1 EBADF (Bad file descriptor) [pid 935] close(13) = -1 EBADF (Bad file descriptor) [pid 935] close(14 [pid 932] +++ exited with 0 +++ [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 935] close(15 [pid 933] close(14 [pid 312] getdents64(4 [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 935] close(16 [pid 933] close(15 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 935] close(17 [pid 933] close(16 [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] close(18 [pid 312] rmdir("./127/config" [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] close(17 [pid 935] close(19) = -1 EBADF (Bad file descriptor) [pid 935] close(20) = -1 EBADF (Bad file descriptor) [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 935] close(21 [pid 933] close(18 [pid 312] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] close(22) = -1 EBADF (Bad file descriptor) [pid 933] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 935] close(23 [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./127/binderfs" [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] close(20 [pid 935] close(24) = -1 EBADF (Bad file descriptor) [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 935] close(25 [pid 933] close(21 [pid 312] unlink("./127/binderfs" [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] close(26) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 935] close(27 [pid 933] close(22 [pid 312] umount2("./127/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] close(29) = -1 EBADF (Bad file descriptor) [pid 933] close(23 [pid 312] newfstatat(AT_FDCWD, "./127/cgroup.net" [pid 935] exit_group(0 [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 935] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 935] +++ exited with 0 +++ [pid 933] close(24 [pid 312] unlink("./127/cgroup.net" [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] close(25 [pid 312] <... unlink resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./127/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 933] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 933] close(27 [pid 312] newfstatat(AT_FDCWD, "./127/cgroup.cpu" [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 933] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 933] close(29 [pid 312] unlink("./127/cgroup.cpu" [pid 933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... unlink resumed>) = 0 [pid 933] exit_group(0 [pid 311] <... openat resumed>) = 3 [pid 933] <... exit_group resumed>) = ? [pid 312] umount2("./127/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(3 [pid 933] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] newfstatat(AT_FDCWD, "./127/cgroup" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3 [pid 312] unlink("./127/cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./122/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 312] close(3 [pid 311] umount2("./122/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./127" [pid 311] newfstatat(AT_FDCWD, "./122/config" [pid 312] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] mkdir("./128", 0777 [pid 311] umount2("./122/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] openat(AT_FDCWD, "./122/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... restart_syscall resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... openat resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 936 attached [pid 936] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 130 [pid 311] fstat(4 [pid 936] <... set_robust_list resumed>) = 0 [pid 313] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 936] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 936] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 936] chdir("./128" [pid 313] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] getdents64(4 [pid 936] <... chdir resumed>) = 0 [pid 936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 936] setpgid(0, 0 [pid 313] <... openat resumed>) = 3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 936] <... setpgid resumed>) = 0 [pid 313] fstat(3 [pid 936] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] getdents64(4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 936] <... symlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 936] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] getdents64(3 [pid 311] close(4 [pid 936] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 936] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 936] <... openat resumed>) = 3 [pid 936] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 936] <... write resumed>) = 4 [pid 936] close(3 [pid 311] rmdir("./122/config" [pid 936] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 936] symlink("/dev/binderfs", "./binderfs" [pid 311] <... rmdir resumed>) = 0 [pid 936] <... symlink resumed>) = 0 [pid 313] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 936] write(1, "executing program\n", 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 936] <... write resumed>) = 18 executing program [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./127/config" [pid 310] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW [pid 936] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./122/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 936] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 936] <... mount resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./122/binderfs" [pid 936] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] openat(AT_FDCWD, "./127/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 4 [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] fstat(4 [pid 311] umount2("./122/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 936] <... mkdirat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 936] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 936] <... symlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./122/cgroup.net" [pid 936] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 936] <... unlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./120/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 936] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 936] <... unlinkat resumed>) = 0 [pid 311] unlink("./122/cgroup.net" [pid 313] close(4 [pid 310] <... umount2 resumed>) = 0 [pid 936] close(3) = -1 EBADF (Bad file descriptor) [pid 936] close(4) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./120/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 936] close(5 [pid 313] rmdir("./127/config" [pid 311] umount2("./122/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 936] close(6 [pid 313] <... rmdir resumed>) = 0 [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 936] close(7 [pid 313] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./120/config" [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./122/cgroup.cpu" [pid 936] close(8 [pid 313] newfstatat(AT_FDCWD, "./127/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 936] close(9 [pid 311] unlink("./122/cgroup.cpu" [pid 313] unlink("./127/binderfs" [pid 310] umount2("./120/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 936] close(10 [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./127/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./122/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 936] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./120/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./127/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 936] close(12 [pid 310] <... openat resumed>) = 4 [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./122/cgroup" [pid 310] fstat(4 [pid 936] close(13 [pid 313] unlink("./127/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 936] close(14 [pid 311] unlink("./122/cgroup" [pid 313] umount2("./127/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 936] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./127/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 936] close(16) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 936] close(17 [pid 313] unlink("./127/cgroup.cpu" [pid 311] <... close resumed>) = 0 [pid 309] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] rmdir("./122" [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 936] close(18 [pid 313] umount2("./127/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 936] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdir("./123", 0777 [pid 310] rmdir("./120/config" [pid 309] fstat(3 [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./127/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 936] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./127/cgroup" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 936] close(21 [pid 313] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./120/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./120/binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 936] close(22 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./120/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 936] close(23 [pid 309] newfstatat(AT_FDCWD, "./120/config" [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 937 attached [pid 936] close(24 [pid 313] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./120/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 937] set_robust_list(0x55555bb49760, 24 [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 125 [pid 310] unlink("./120/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 937] <... set_robust_list resumed>) = 0 [pid 936] close(25 [pid 313] rmdir("./127" [pid 309] openat(AT_FDCWD, "./120/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 937] rt_sigprocmask(SIG_SETMASK, [] [pid 936] close(26 [pid 313] mkdir("./128", 0777 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./120/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 937] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 937] chdir("./123" [pid 936] close(27 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./120/cgroup.net" [pid 309] getdents64(4 [pid 937] <... chdir resumed>) = 0 [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 936] close(28 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] unlink("./120/cgroup.net" [pid 309] getdents64(4 [pid 937] <... prctl resumed>) = 0 [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 936] close(29 [pid 309] close(4 [pid 936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 936] exit_group(0 [pid 309] rmdir("./120/config"ci2-android-5-15/strace-static-x86_64: Process 938 attached [pid 937] setpgid(0, 0 [pid 936] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 938] set_robust_list(0x55555bb49760, 24 [pid 937] <... setpgid resumed>) = 0 [pid 936] +++ exited with 0 +++ [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 130 [pid 310] umount2("./120/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 938] <... set_robust_list resumed>) = 0 [pid 937] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 938] rt_sigprocmask(SIG_SETMASK, [] [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./120/binderfs" [pid 938] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 937] <... symlink resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./120/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 938] chdir("./128" [pid 937] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 309] unlink("./120/binderfs" [pid 938] <... chdir resumed>) = 0 [pid 937] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 937] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 310] unlink("./120/cgroup.cpu" [pid 309] umount2("./120/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 938] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 938] setpgid(0, 0 [pid 937] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./120/cgroup.net" [pid 938] <... setpgid resumed>) = 0 [pid 937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./120/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 938] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 309] unlink("./120/cgroup.net" [pid 938] <... symlink resumed>) = 0 [pid 937] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 938] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 937] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./120/cgroup" [pid 309] umount2("./120/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 938] <... symlink resumed>) = 0 [pid 937] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 938] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 937] close(3 [pid 310] unlink("./120/cgroup" [pid 309] newfstatat(AT_FDCWD, "./120/cgroup.cpu" [pid 938] <... symlink resumed>) = 0 [pid 937] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 937] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./120/cgroup.cpu" [pid 938] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 937] <... symlink resumed>) = 0 [pid 938] write(3, "1000", 4 [pid 310] getdents64(3 [pid 309] umount2("./120/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 938] <... write resumed>) = 4 [pid 937] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 938] close(3 [pid 937] <... write resumed>) = 18 [pid 310] close(3 [pid 309] newfstatat(AT_FDCWD, "./120/cgroup" [pid 938] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 938] symlink("/dev/binderfs", "./binderfs" [pid 937] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 309] unlink("./120/cgroup" [pid 938] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 938] write(1, "executing program\n", 18 [pid 937] <... mkdirat resumed>) = 0 [pid 310] rmdir("./120" [pid 309] getdents64(3 [pid 938] <... write resumed>) = 18 executing program [pid 937] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 938] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(3 [pid 938] <... mkdirat resumed>) = 0 [pid 937] <... mount resumed>) = 0 [pid 310] mkdir("./121", 0777 [pid 309] <... close resumed>) = 0 [pid 938] mount(NULL, "./config", "configfs", 0, NULL [pid 937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rmdir("./120" [pid 938] <... mount resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] mkdir("./121", 0777 [pid 938] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... mkdir resumed>) = 0 [pid 938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 938] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 939 attached ci2-android-5-15/strace-static-x86_64: Process 940 attached [pid 938] <... mkdirat resumed>) = 0 [pid 937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 939] set_robust_list(0x55555bb49760, 24 [pid 938] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 123 [pid 940] set_robust_list(0x55555bb49760, 24 [pid 939] <... set_robust_list resumed>) = 0 [pid 938] <... symlinkat resumed>) = 0 [pid 937] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 123 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 940] <... set_robust_list resumed>) = 0 [pid 938] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 940] rt_sigprocmask(SIG_SETMASK, [] [pid 939] rt_sigprocmask(SIG_SETMASK, [] [pid 938] <... unlinkat resumed>) = 0 [pid 937] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 940] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 939] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 938] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 937] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 940] chdir("./121" [pid 939] chdir("./121" [pid 938] <... unlinkat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 940] <... chdir resumed>) = 0 [pid 939] <... chdir resumed>) = 0 [pid 938] close(3 [pid 937] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] <... prctl resumed>) = 0 [pid 939] <... prctl resumed>) = 0 [pid 938] close(4 [pid 937] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 940] setpgid(0, 0 [pid 939] setpgid(0, 0 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] <... setpgid resumed>) = 0 [pid 939] <... setpgid resumed>) = 0 [pid 938] close(5 [pid 937] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 940] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 939] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] close(3 [pid 938] close(6 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 940] <... symlink resumed>) = 0 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... symlink resumed>) = 0 [pid 938] close(7 [pid 312] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 940] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 939] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] close(4 [pid 940] <... symlink resumed>) = 0 [pid 938] close(8 [pid 312] <... openat resumed>) = 3 [pid 940] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 939] <... symlink resumed>) = 0 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 940] <... symlink resumed>) = 0 [pid 939] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 938] close(9 [pid 937] close(5 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... symlink resumed>) = 0 [pid 938] close(10 [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 938] close(11 [pid 940] <... openat resumed>) = 3 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] close(6 [pid 940] write(3, "1000", 4 [pid 939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 938] close(12 [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 940] <... write resumed>) = 4 [pid 939] <... openat resumed>) = 3 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] close(7 [pid 312] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 940] close(3 [pid 939] write(3, "1000", 4 [pid 938] close(13 [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... write resumed>) = 4 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 940] <... close resumed>) = 0 [pid 939] close(3 [pid 938] close(14 [pid 937] close(8 [pid 312] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 940] symlink("/dev/binderfs", "./binderfs" [pid 939] <... close resumed>) = 0 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] <... symlink resumed>) = 0 [pid 939] symlink("/dev/binderfs", "./binderfs" [pid 938] close(15 [pid 937] close(9 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 940] write(1, "executing program\n", 18 [pid 939] <... symlink resumed>) = 0 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./128/config" [pid 940] <... write resumed>) = 18 [pid 939] write(1, "executing program\n", 18 [pid 938] close(16 [pid 937] close(10 [pid 939] <... write resumed>) = 18 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 940] mkdirat(AT_FDCWD, "./config", 0777 [pid 939] mkdirat(AT_FDCWD, "./config", 0777 [pid 938] close(17 [pid 937] close(11 [pid 312] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 940] <... mkdirat resumed>) = 0 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... mkdirat resumed>) = 0 [pid 938] close(18 [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 939] mount(NULL, "./config", "configfs", 0, NULL [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] close(12 [pid 940] <... mount resumed>) = 0 [pid 938] close(19 [pid 312] openat(AT_FDCWD, "./128/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 939] <... mount resumed>) = 0 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 938] close(20 [pid 937] close(13 [pid 312] <... openat resumed>) = 4 [pid 940] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 939] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 938] close(21 [pid 937] close(14 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 939] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 938] close(22 [pid 940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 938] close(23) = -1 EBADF (Bad file descriptor) [pid 938] close(24) = -1 EBADF (Bad file descriptor) [pid 938] close(25 [pid 940] <... mkdirat resumed>) = 0 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 939] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 938] close(26 [pid 937] close(15 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 940] <... symlinkat resumed>) = 0 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 939] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 938] close(27 [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 940] <... unlinkat resumed>) = 0 [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... symlinkat resumed>) = 0 [pid 938] close(28 [pid 937] close(16 [pid 940] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 939] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 940] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] close(3 [pid 939] <... unlinkat resumed>) = 0 [pid 938] close(29 [pid 937] close(17 [pid 312] close(4 [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] close(4 [pid 938] exit_group(0 [pid 312] <... close resumed>) = 0 [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... unlinkat resumed>) = 0 [pid 938] <... exit_group resumed>) = ? [pid 937] close(18 [pid 312] rmdir("./128/config" [pid 940] close(5 [pid 939] close(3 [pid 938] +++ exited with 0 +++ [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] close(19 [pid 312] <... rmdir resumed>) = 0 [pid 940] close(6 [pid 939] close(4 [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] close(20 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 940] close(7 [pid 939] close(5 [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 940] close(8 [pid 939] close(6 [pid 937] close(21 [pid 312] newfstatat(AT_FDCWD, "./128/binderfs" [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] close(9 [pid 939] close(7 [pid 937] close(22 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] close(10 [pid 939] close(8 [pid 937] close(23 [pid 312] unlink("./128/binderfs" [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] close(11 [pid 939] close(9 [pid 937] close(24 [pid 312] <... unlink resumed>) = 0 [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] close(12 [pid 939] close(10 [pid 937] close(25 [pid 312] umount2("./128/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] close(13 [pid 939] close(11 [pid 937] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./128/cgroup.net" [pid 940] close(14 [pid 939] close(12 [pid 937] close(27 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] close(15 [pid 939] close(13 [pid 937] close(28 [pid 312] unlink("./128/cgroup.net" [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] close(16 [pid 312] <... unlink resumed>) = 0 [pid 939] close(14 [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] close(29 [pid 940] close(17 [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./128/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] close(15 [pid 937] exit_group(0 [pid 940] close(18 [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 937] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] close(16 [pid 937] +++ exited with 0 +++ [pid 940] close(19 [pid 312] newfstatat(AT_FDCWD, "./128/cgroup.cpu" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 940] close(20 [pid 939] close(17 [pid 312] unlink("./128/cgroup.cpu" [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 940] close(21 [pid 939] close(18 [pid 312] umount2("./128/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] close(22 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 939] close(19 [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] close(23 [pid 312] newfstatat(AT_FDCWD, "./128/cgroup" [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] close(20 [pid 940] close(24 [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] close(21 [pid 312] unlink("./128/cgroup" [pid 940] close(25 [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 939] close(22 [pid 940] close(26 [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] close(23 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 940] close(27 [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] close(24 [pid 312] close(3 [pid 940] close(28 [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 939] close(25 [pid 940] close(29 [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./128" [pid 940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 939] close(26 [pid 312] <... rmdir resumed>) = 0 [pid 940] exit_group(0 [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 940] <... exit_group resumed>) = ? [pid 939] close(27 [pid 312] mkdir("./129", 0777 [pid 313] <... restart_syscall resumed>) = 0 [pid 313] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 940] +++ exited with 0 +++ [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 939] close(28 [pid 313] fstat(3 [pid 312] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 939] close(29 [pid 313] getdents64(3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 939] exit_group(0 [pid 313] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 313] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./128/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 941 attached [pid 939] <... exit_group resumed>) = ? [pid 313] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 941] set_robust_list(0x55555bb49760, 24 [pid 939] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 131 [pid 941] <... set_robust_list resumed>) = 0 [pid 313] openat(AT_FDCWD, "./128/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 941] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... openat resumed>) = 4 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 941] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] fstat(4 [pid 941] chdir("./129" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 941] <... chdir resumed>) = 0 [pid 313] getdents64(4 [pid 941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 941] <... prctl resumed>) = 0 [pid 313] getdents64(4 [pid 941] setpgid(0, 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 941] <... setpgid resumed>) = 0 [pid 313] close(4 [pid 941] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... close resumed>) = 0 [pid 941] <... symlink resumed>) = 0 [pid 313] rmdir("./128/config" [pid 941] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... rmdir resumed>) = 0 [pid 941] <... symlink resumed>) = 0 [pid 313] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 941] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 941] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./128/binderfs" [pid 941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 941] <... openat resumed>) = 3 [pid 313] unlink("./128/binderfs" [pid 941] write(3, "1000", 4 [pid 313] <... unlink resumed>) = 0 [pid 941] <... write resumed>) = 4 [pid 313] umount2("./128/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 941] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 941] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./128/cgroup.net" [pid 941] symlink("/dev/binderfs", "./binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 941] <... symlink resumed>) = 0 [pid 313] unlink("./128/cgroup.net" [pid 941] write(1, "executing program\n", 18 [pid 313] <... unlink resumed>) = 0 [pid 941] <... write resumed>) = 18 executing program [pid 313] umount2("./128/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 941] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 941] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./128/cgroup.cpu" [pid 941] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 941] <... mount resumed>) = 0 [pid 313] unlink("./128/cgroup.cpu" [pid 941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... unlink resumed>) = 0 [pid 941] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./128/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 941] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./128/cgroup" [pid 941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 941] <... mkdirat resumed>) = 0 [pid 313] unlink("./128/cgroup" [pid 309] <... restart_syscall resumed>) = 0 [pid 941] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... unlink resumed>) = 0 [pid 941] <... symlinkat resumed>) = 0 [pid 313] getdents64(3 [pid 311] <... restart_syscall resumed>) = 0 [pid 941] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 941] <... unlinkat resumed>) = 0 [pid 313] close(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 941] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... close resumed>) = 0 [pid 311] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 941] <... unlinkat resumed>) = 0 [pid 313] rmdir("./128" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 941] close(3 [pid 313] <... rmdir resumed>) = 0 [pid 311] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./129", 0777 [pid 311] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 941] close(4 [pid 313] <... mkdir resumed>) = 0 [pid 311] fstat(3 [pid 309] getdents64(3 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 941] close(5 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./121/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 942 attached [pid 941] close(6 [pid 311] umount2("./123/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 942] set_robust_list(0x55555bb49760, 24 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 131 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] umount2("./121/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 942] <... set_robust_list resumed>) = 0 [pid 941] close(7 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./123/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 942] rt_sigprocmask(SIG_SETMASK, [] [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./121/config" [pid 942] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 941] close(8 [pid 311] newfstatat(AT_FDCWD, "./123/config" [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 942] chdir("./129" [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./121/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 942] <... chdir resumed>) = 0 [pid 941] close(9 [pid 311] umount2("./123/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./121/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./121/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 942] <... prctl resumed>) = 0 [pid 941] close(10 [pid 311] openat(AT_FDCWD, "./123/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 942] setpgid(0, 0 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 942] <... setpgid resumed>) = 0 [pid 941] close(11 [pid 311] fstat(4 [pid 310] umount2("./121/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 942] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 942] <... symlink resumed>) = 0 [pid 941] close(12 [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./121/config" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 942] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 942] <... symlink resumed>) = 0 [pid 941] close(13 [pid 311] getdents64(4 [pid 310] umount2("./121/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 942] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 941] close(14 [pid 311] close(4 [pid 309] <... close resumed>) = 0 [pid 942] <... symlink resumed>) = 0 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./121/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./121/config" [pid 942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 941] close(15 [pid 311] rmdir("./123/config" [pid 310] <... openat resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 942] <... openat resumed>) = 3 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] fstat(4 [pid 309] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 942] write(3, "1000", 4 [pid 941] close(16 [pid 311] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 942] <... write resumed>) = 4 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./121/binderfs" [pid 942] close(3 [pid 941] close(17 [pid 311] newfstatat(AT_FDCWD, "./123/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 942] <... close resumed>) = 0 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./121/binderfs" [pid 942] symlink("/dev/binderfs", "./binderfs" [pid 941] close(18 [pid 311] unlink("./123/binderfs" [pid 310] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./121/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 942] <... symlink resumed>) = 0 [pid 941] close(19 [pid 311] umount2("./123/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 942] write(1, "executing program\n", 18 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./121/cgroup.net" [pid 942] <... write resumed>) = 18 [pid 941] close(20 [pid 311] newfstatat(AT_FDCWD, "./123/cgroup.net" [pid 310] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 942] mkdirat(AT_FDCWD, "./config", 0777 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./121/cgroup.net" [pid 942] <... mkdirat resumed>) = 0 [pid 941] close(21 [pid 311] unlink("./123/cgroup.net" [pid 310] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 942] mount(NULL, "./config", "configfs", 0, NULL [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./121/config" [pid 309] umount2("./121/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 942] <... mount resumed>) = 0 [pid 941] close(22 [pid 311] umount2("./123/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./121/cgroup.cpu" [pid 942] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 941] close(23 [pid 311] newfstatat(AT_FDCWD, "./123/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./121/cgroup.cpu" [pid 942] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 941] close(24 [pid 311] unlink("./123/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./121/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./121/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 941] close(25 [pid 311] umount2("./123/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 942] <... mkdirat resumed>) = 0 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./121/binderfs" [pid 309] newfstatat(AT_FDCWD, "./121/cgroup" [pid 942] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 941] close(26 [pid 311] newfstatat(AT_FDCWD, "./123/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./121/cgroup" [pid 942] <... symlinkat resumed>) = 0 [pid 941] close(27 [pid 311] unlink("./123/cgroup" [pid 310] umount2("./121/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 942] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 942] <... unlinkat resumed>) = 0 [pid 941] close(28 [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 942] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./121/cgroup.net" [pid 309] close(3 [pid 942] <... unlinkat resumed>) = 0 [pid 941] close(29 [pid 311] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 942] close(3 [pid 941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] unlink("./121/cgroup.net" [pid 309] rmdir("./121" [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 941] exit_group(0 [pid 311] rmdir("./123" [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 942] close(4 [pid 941] <... exit_group resumed>) = ? [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./121/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./122", 0777 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 941] +++ exited with 0 +++ [pid 311] mkdir("./124", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 942] close(5 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./121/cgroup.cpu" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 942] close(6 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 944 attached ci2-android-5-15/strace-static-x86_64: Process 943 attached [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./121/cgroup.cpu" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 124 [pid 944] set_robust_list(0x55555bb49760, 24 [pid 943] set_robust_list(0x55555bb49760, 24 [pid 942] close(7 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 126 [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 944] <... set_robust_list resumed>) = 0 [pid 943] <... set_robust_list resumed>) = 0 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./121/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 944] rt_sigprocmask(SIG_SETMASK, [] [pid 943] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 942] close(8 [pid 944] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 944] chdir("./124" [pid 943] chdir("./122" [pid 942] close(9 [pid 310] newfstatat(AT_FDCWD, "./121/cgroup" [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] <... chdir resumed>) = 0 [pid 943] <... chdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 942] close(10 [pid 944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./121/cgroup" [pid 944] <... prctl resumed>) = 0 [pid 943] <... prctl resumed>) = 0 [pid 942] close(11 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 944] setpgid(0, 0 [pid 943] setpgid(0, 0 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 944] <... setpgid resumed>) = 0 [pid 943] <... setpgid resumed>) = 0 [pid 942] close(12 [pid 312] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 944] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 943] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 944] <... symlink resumed>) = 0 [pid 942] close(13 [pid 310] close(3 [pid 943] <... symlink resumed>) = 0 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 943] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 942] close(14 [pid 312] fstat(3 [pid 310] <... close resumed>) = 0 [pid 944] <... symlink resumed>) = 0 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] <... symlink resumed>) = 0 [pid 310] rmdir("./121" [pid 944] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 943] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 942] close(15 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 944] <... symlink resumed>) = 0 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 943] <... symlink resumed>) = 0 [pid 942] close(16 [pid 312] getdents64(3 [pid 310] mkdir("./122", 0777 [pid 943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 942] close(17 [pid 310] <... mkdir resumed>) = 0 [pid 943] <... openat resumed>) = 3 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 944] <... openat resumed>) = 3 [pid 942] close(18) = -1 EBADF (Bad file descriptor) [pid 943] write(3, "1000", 4 [pid 312] <... umount2 resumed>) = 0 [pid 942] close(19 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 944] write(3, "1000", 4 [pid 943] <... write resumed>) = 4 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 944] <... write resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 943] close(3 [pid 942] close(20 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 945 attached [pid 944] close(3 [pid 943] <... close resumed>) = 0 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./129/config" [pid 945] set_robust_list(0x55555bb49760, 24 [pid 944] <... close resumed>) = 0 [pid 943] symlink("/dev/binderfs", "./binderfs" [pid 942] close(21 [pid 945] <... set_robust_list resumed>) = 0 [pid 944] symlink("/dev/binderfs", "./binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 124 [pid 945] rt_sigprocmask(SIG_SETMASK, [] [pid 944] <... symlink resumed>) = 0 [pid 943] <... symlink resumed>) = 0 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 945] chdir("./122" [pid 944] write(1, "executing program\n", 18 [pid 943] write(1, "executing program\n", 18 [pid 942] close(22 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program executing program [pid 945] <... chdir resumed>) = 0 [pid 944] <... write resumed>) = 18 [pid 943] <... write resumed>) = 18 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./129/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 944] mkdirat(AT_FDCWD, "./config", 0777 [pid 945] <... prctl resumed>) = 0 [pid 943] mkdirat(AT_FDCWD, "./config", 0777 [pid 942] close(23 [pid 312] <... openat resumed>) = 4 [pid 945] setpgid(0, 0 [pid 944] <... mkdirat resumed>) = 0 [pid 945] <... setpgid resumed>) = 0 [pid 943] <... mkdirat resumed>) = 0 [pid 944] mount(NULL, "./config", "configfs", 0, NULL [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 945] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 944] <... mount resumed>) = 0 [pid 943] mount(NULL, "./config", "configfs", 0, NULL [pid 942] close(24 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 945] <... symlink resumed>) = 0 [pid 944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 945] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 943] <... mount resumed>) = 0 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 945] <... symlink resumed>) = 0 [pid 944] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 942] close(25 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 945] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 943] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] <... symlink resumed>) = 0 [pid 944] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 942] close(26 [pid 312] getdents64(4 [pid 945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 943] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 945] <... openat resumed>) = 3 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 945] write(3, "1000", 4) = 4 [pid 944] <... mkdirat resumed>) = 0 [pid 943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 942] close(27 [pid 945] close(3 [pid 944] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 943] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 945] <... close resumed>) = 0 [pid 945] symlink("/dev/binderfs", "./binderfs") = 0 [pid 944] <... symlinkat resumed>) = 0 [pid 943] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 942] close(28 [pid 312] <... close resumed>) = 0 [pid 945] write(1, "executing program\n", 18 [pid 944] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 943] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 945] <... write resumed>) = 18 [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./129/config" executing program [pid 945] mkdirat(AT_FDCWD, "./config", 0777 [pid 944] <... unlinkat resumed>) = 0 [pid 943] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 942] close(29 [pid 945] <... mkdirat resumed>) = 0 [pid 944] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... rmdir resumed>) = 0 [pid 945] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 943] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 944] <... unlinkat resumed>) = 0 [pid 943] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 945] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 944] close(3 [pid 942] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 942] <... exit_group resumed>) = ? [pid 312] newfstatat(AT_FDCWD, "./129/binderfs" [pid 945] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 944] close(4 [pid 943] close(3 [pid 945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 945] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 942] +++ exited with 0 +++ [pid 945] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 945] <... unlinkat resumed>) = 0 [pid 944] close(5 [pid 943] close(4 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 945] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] unlink("./129/binderfs" [pid 945] <... unlinkat resumed>) = 0 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] close(3 [pid 944] close(6 [pid 943] close(5 [pid 312] <... unlink resumed>) = 0 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] close(4 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./129/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] close(7 [pid 943] close(6 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 945] close(5 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./129/cgroup.net" [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] close(8 [pid 943] close(7 [pid 945] close(6 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] close(7 [pid 944] close(9 [pid 943] close(8 [pid 312] unlink("./129/cgroup.net" [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] close(8 [pid 312] <... unlink resumed>) = 0 [pid 944] close(10 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(9 [pid 312] umount2("./129/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 945] close(9 [pid 944] close(11 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(10 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 945] close(10 [pid 944] close(12 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./129/cgroup.cpu" [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(11 [pid 945] close(11 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] close(12) = -1 EBADF (Bad file descriptor) [pid 944] close(13 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./129/cgroup.cpu" [pid 945] close(13 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(12 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] close(14 [pid 312] <... unlink resumed>) = 0 [pid 945] close(14 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./129/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] close(15 [pid 943] close(13 [pid 945] close(15 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] close(16 [pid 943] close(14 [pid 312] newfstatat(AT_FDCWD, "./129/cgroup" [pid 945] close(16) = -1 EBADF (Bad file descriptor) [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] close(17 [pid 944] close(17 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(15 [pid 945] close(18 [pid 312] unlink("./129/cgroup" [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] close(18 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] close(19 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(16 [pid 312] <... unlink resumed>) = 0 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] close(19 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] close(20 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(17 [pid 312] getdents64(3 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] close(20 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] close(21 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(18 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] close(22 [pid 944] close(21 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(19 [pid 945] close(23 [pid 312] <... close resumed>) = 0 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] close(22 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./129" [pid 945] close(24 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(20 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] close(23 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 945] close(25 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(21 [pid 312] mkdir("./130", 0777 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] close(26 [pid 944] close(24 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(22 [pid 312] <... mkdir resumed>) = 0 [pid 945] close(27 [pid 944] close(25 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(23 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 945] close(28 [pid 944] close(26 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 945] close(29 [pid 944] close(27 [pid 943] close(24 [pid 945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 945] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 946 attached [pid 945] +++ exited with 0 +++ [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 946] set_robust_list(0x55555bb49760, 24 [pid 944] close(28 [pid 943] close(25 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 132 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 946] <... set_robust_list resumed>) = 0 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 946] rt_sigprocmask(SIG_SETMASK, [] [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 944] close(29 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 946] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 943] close(26 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 946] chdir("./130") = 0 [pid 944] exit_group(0 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 944] <... exit_group resumed>) = ? [pid 943] close(27 [pid 946] <... prctl resumed>) = 0 [pid 946] setpgid(0, 0) = 0 [pid 946] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 946] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 946] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 944] +++ exited with 0 +++ [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 943] close(28 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 946] <... openat resumed>) = 3 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 946] write(3, "1000", 4 [pid 943] close(29 [pid 946] <... write resumed>) = 4 [pid 943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 946] close(3 [pid 313] <... restart_syscall resumed>) = 0 [pid 946] <... close resumed>) = 0 [pid 946] symlink("/dev/binderfs", "./binderfs" [pid 943] exit_group(0 [pid 946] <... symlink resumed>) = 0 [pid 313] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 946] write(1, "executing program\n", 18 [pid 943] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 946] <... write resumed>) = 18 [pid 313] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 946] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... openat resumed>) = 3 [pid 946] <... mkdirat resumed>) = 0 [pid 313] fstat(3 [pid 946] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 executing program [pid 946] <... mount resumed>) = 0 [pid 943] +++ exited with 0 +++ [pid 313] getdents64(3 [pid 946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 946] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 946] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 946] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./129/config" [pid 311] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW [pid 946] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 946] <... symlinkat resumed>) = 0 [pid 313] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 946] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 3 [pid 946] <... unlinkat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./129/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 946] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... openat resumed>) = 4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 946] <... unlinkat resumed>) = 0 [pid 313] fstat(4 [pid 311] getdents64(3 [pid 309] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 946] close(3 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] umount2("./124/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 946] close(4 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... umount2 resumed>) = 0 [pid 309] fstat(3 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] umount2("./124/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 946] close(5 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] newfstatat(AT_FDCWD, "./124/config" [pid 946] close(6 [pid 313] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./129/config" [pid 311] umount2("./124/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 946] close(7 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./124/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./122/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 946] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 4 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./129/binderfs" [pid 311] fstat(4 [pid 309] <... umount2 resumed>) = 0 [pid 946] close(9 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./122/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./129/binderfs" [pid 311] getdents64(4 [pid 946] close(10 [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./129/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 946] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./129/cgroup.net" [pid 311] close(4 [pid 309] newfstatat(AT_FDCWD, "./122/config" [pid 946] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./129/cgroup.net" [pid 311] rmdir("./124/config" [pid 310] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 946] close(13 [pid 313] <... unlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./129/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./122/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 946] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./129/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./124/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 946] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./122/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./129/cgroup.cpu" [pid 311] unlink("./124/binderfs" [pid 310] fstat(3 [pid 946] close(16 [pid 313] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./129/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./124/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] fstat(4 [pid 946] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./129/cgroup" [pid 311] newfstatat(AT_FDCWD, "./124/cgroup.net" [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 946] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./129/cgroup" [pid 311] unlink("./124/cgroup.net" [pid 310] umount2("./122/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 946] close(19 [pid 313] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] umount2("./124/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 946] close(20 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 311] newfstatat(AT_FDCWD, "./124/cgroup.cpu" [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 946] close(21 [pid 313] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./122/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./129" [pid 311] unlink("./124/cgroup.cpu" [pid 309] getdents64(4 [pid 946] close(22 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./130", 0777 [pid 311] umount2("./124/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./122/config" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 946] close(23 [pid 313] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] newfstatat(AT_FDCWD, "./124/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 946] close(24 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./122/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] unlink("./124/cgroup" [pid 309] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 947 attached [pid 946] close(25 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./122/config" [pid 947] set_robust_list(0x55555bb49760, 24 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 132 [pid 311] getdents64(3 [pid 310] openat(AT_FDCWD, "./122/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 947] <... set_robust_list resumed>) = 0 [pid 946] close(26 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 947] rt_sigprocmask(SIG_SETMASK, [] [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] close(3 [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 947] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 946] close(27 [pid 311] <... close resumed>) = 0 [pid 310] fstat(4 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./124" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 947] chdir("./130" [pid 946] close(28 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 947] <... chdir resumed>) = 0 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] mkdir("./125", 0777 [pid 309] newfstatat(AT_FDCWD, "./122/binderfs" [pid 947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 946] close(29 [pid 311] <... mkdir resumed>) = 0 [pid 310] getdents64(4 [pid 947] <... prctl resumed>) = 0 [pid 946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 947] setpgid(0, 0 [pid 946] exit_group(0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(4 [pid 309] unlink("./122/binderfs" [pid 947] <... setpgid resumed>) = 0 [pid 946] <... exit_group resumed>) = ? [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 948 attached [pid 947] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 946] +++ exited with 0 +++ [pid 310] close(4 [pid 309] <... unlink resumed>) = 0 [pid 948] set_robust_list(0x55555bb49760, 24 [pid 947] <... symlink resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 127 [pid 948] <... set_robust_list resumed>) = 0 [pid 947] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 309] umount2("./122/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 948] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 948] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 947] <... symlink resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./122/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 948] chdir("./125" [pid 947] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 948] <... chdir resumed>) = 0 [pid 947] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./122/cgroup.net" [pid 948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 948] <... prctl resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 947] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./122/cgroup.net" [pid 948] setpgid(0, 0 [pid 947] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./122/binderfs" [pid 948] <... setpgid resumed>) = 0 [pid 947] <... write resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 948] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./122/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 947] close(3 [pid 948] <... symlink resumed>) = 0 [pid 310] unlink("./122/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 947] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./122/cgroup.cpu" [pid 947] symlink("/dev/binderfs", "./binderfs" [pid 948] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 310] umount2("./122/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 947] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./122/cgroup.cpu" [pid 948] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./122/cgroup.net" [pid 309] <... unlink resumed>) = 0 [pid 948] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 947] write(1, "executing program\n", 18 [pid 309] umount2("./122/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 948] <... symlink resumed>) = 0 [pid 947] <... write resumed>) = 18 [pid 310] unlink("./122/cgroup.net" [pid 948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 947] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./122/cgroup" [pid 947] <... mkdirat resumed>) = 0 [pid 310] umount2("./122/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 948] <... openat resumed>) = 3 [pid 309] unlink("./122/cgroup" [pid 948] write(3, "1000", 4 [pid 947] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... restart_syscall resumed>) = 0 [pid 948] <... write resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 947] <... mount resumed>) = 0 [pid 948] close(3 [pid 310] newfstatat(AT_FDCWD, "./122/cgroup.cpu" [pid 309] getdents64(3 [pid 947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 948] <... close resumed>) = 0 [pid 312] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 948] symlink("/dev/binderfs", "./binderfs" [pid 947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./122/cgroup.cpu" [pid 309] close(3 [pid 948] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 executing program [pid 312] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./122/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 948] write(1, "executing program\n", 18 [pid 947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... openat resumed>) = 3 [pid 309] rmdir("./122" [pid 948] <... write resumed>) = 18 [pid 947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] fstat(3 [pid 309] <... rmdir resumed>) = 0 [pid 947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./122/cgroup" [pid 309] mkdir("./123", 0777 [pid 948] mkdirat(AT_FDCWD, "./config", 0777 [pid 947] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 312] getdents64(3 [pid 310] unlink("./122/cgroup" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 948] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 948] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(3 [pid 947] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 948] <... mount resumed>) = 0 [pid 312] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 947] <... symlinkat resumed>) = 0 [pid 310] close(3ci2-android-5-15/strace-static-x86_64: Process 949 attached ) = 0 [pid 312] <... umount2 resumed>) = 0 executing program [pid 949] set_robust_list(0x55555bb49760, 24 [pid 948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 947] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./122" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 125 [pid 949] <... set_robust_list resumed>) = 0 [pid 948] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 947] <... unlinkat resumed>) = 0 [pid 949] rt_sigprocmask(SIG_SETMASK, [] [pid 948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 947] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 949] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 948] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 949] chdir("./123" [pid 947] <... unlinkat resumed>) = 0 [pid 948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] newfstatat(AT_FDCWD, "./130/config" [pid 310] mkdir("./123", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 949] <... chdir resumed>) = 0 [pid 947] close(3 [pid 949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 948] <... mkdirat resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 949] <... prctl resumed>) = 0 [pid 948] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 949] setpgid(0, 0) = 0 [pid 948] <... symlinkat resumed>) = 0 [pid 949] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 948] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 947] close(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 949] <... symlink resumed>) = 0 [pid 948] <... unlinkat resumed>) = 0 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./130/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 949] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 948] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 947] close(5 [pid 949] <... symlink resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 949] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 948] <... unlinkat resumed>) = 0 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 949] <... symlink resumed>) = 0 [pid 949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 950 attached ) = 3 [pid 948] close(3 [pid 947] close(6 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 950] set_robust_list(0x55555bb49760, 24 [pid 949] write(3, "1000", 4 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 125 [pid 950] <... set_robust_list resumed>) = 0 [pid 949] <... write resumed>) = 4 [pid 948] close(4 [pid 947] close(7 [pid 950] rt_sigprocmask(SIG_SETMASK, [] [pid 949] close(3 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 950] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 949] <... close resumed>) = 0 [pid 948] close(5 [pid 947] close(8 [pid 312] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 950] chdir("./123" [pid 949] symlink("/dev/binderfs", "./binderfs" [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 950] <... chdir resumed>) = 0 [pid 949] <... symlink resumed>) = 0 [pid 950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 949] write(1, "executing program\n", 18 executing program [pid 948] close(6 [pid 947] close(9 [pid 312] close(4 [pid 950] <... prctl resumed>) = 0 [pid 949] <... write resumed>) = 18 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] setpgid(0, 0 [pid 949] mkdirat(AT_FDCWD, "./config", 0777 [pid 948] close(7 [pid 947] close(10 [pid 312] <... close resumed>) = 0 [pid 950] <... setpgid resumed>) = 0 [pid 949] <... mkdirat resumed>) = 0 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./130/config" [pid 950] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 949] mount(NULL, "./config", "configfs", 0, NULL [pid 948] close(8 [pid 947] close(11 [pid 950] <... symlink resumed>) = 0 [pid 949] <... mount resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 948] close(9 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 950] <... symlink resumed>) = 0 [pid 949] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] close(12 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 950] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 948] close(10 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./130/binderfs" [pid 950] <... symlink resumed>) = 0 [pid 949] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] close(13 [pid 950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 948] close(11 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 950] <... openat resumed>) = 3 [pid 949] <... mkdirat resumed>) = 0 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] close(14 [pid 312] unlink("./130/binderfs" [pid 950] write(3, "1000", 4 [pid 949] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 948] close(12 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] <... write resumed>) = 4 [pid 949] <... symlinkat resumed>) = 0 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] close(15 [pid 312] <... unlink resumed>) = 0 [pid 950] close(3 [pid 949] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 948] close(13 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./130/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 950] <... close resumed>) = 0 [pid 949] <... unlinkat resumed>) = 0 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] close(16 [pid 950] symlink("/dev/binderfs", "./binderfs" [pid 949] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 948] close(14 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 950] <... symlink resumed>) = 0 [pid 949] <... unlinkat resumed>) = 0 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 947] close(17 [pid 312] newfstatat(AT_FDCWD, "./130/cgroup.net" [pid 950] write(1, "executing program\n", 18 [pid 949] close(3 [pid 948] close(15 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] <... write resumed>) = 18 [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] close(18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 950] mkdirat(AT_FDCWD, "./config", 0777 [pid 949] close(4 [pid 948] close(16 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] <... mkdirat resumed>) = 0 [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] close(19 [pid 312] unlink("./130/cgroup.net" [pid 950] mount(NULL, "./config", "configfs", 0, NULL [pid 949] close(5 [pid 948] close(17 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] <... mount resumed>) = 0 [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 949] close(6 [pid 948] close(18 [pid 947] close(20 [pid 312] umount2("./130/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 950] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 949] close(7 [pid 950] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] close(19 [pid 947] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 949] close(8 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./130/cgroup.cpu" [pid 950] <... mkdirat resumed>) = 0 [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 949] close(9 [pid 948] close(20 [pid 947] close(22 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 950] <... symlinkat resumed>) = 0 [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 949] close(10 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./130/cgroup.cpu" [pid 950] <... unlinkat resumed>) = 0 [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] close(21 [pid 947] close(23 [pid 950] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 949] close(11 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 950] <... unlinkat resumed>) = 0 [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] close(22 [pid 947] close(24 [pid 312] umount2("./130/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 950] close(3 [pid 949] close(12 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] close(23 [pid 947] close(25 [pid 312] newfstatat(AT_FDCWD, "./130/cgroup" [pid 950] close(4 [pid 949] close(13 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] close(24 [pid 947] close(26 [pid 312] unlink("./130/cgroup" [pid 950] close(5 [pid 949] close(14 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] close(25 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 950] close(6 [pid 949] close(15 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] close(27 [pid 312] getdents64(3 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] close(7 [pid 949] close(16 [pid 948] close(26 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] close(28 [pid 312] close(3 [pid 950] close(8 [pid 949] close(17 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] close(27 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 950] close(9 [pid 949] close(18 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] close(29 [pid 312] rmdir("./130" [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] close(28 [pid 947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] close(10 [pid 949] close(19 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] exit_group(0 [pid 948] close(29 [pid 950] close(11 [pid 949] close(20 [pid 948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] <... exit_group resumed>) = ? [pid 312] mkdir("./131", 0777 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 948] exit_group(0 [pid 950] close(12 [pid 949] close(21 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] close(13 [pid 949] close(22 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] close(14 [pid 949] close(23 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] close(15 [pid 949] close(24 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 947] +++ exited with 0 +++ [pid 950] close(16 [pid 949] close(25 [pid 948] <... exit_group resumed>) = ? [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... mkdir resumed>) = 0 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 950] close(17 [pid 949] close(26 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] close(18 [pid 949] close(27 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] close(19 [pid 949] close(28 [pid 948] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 950] close(20 [pid 949] close(29 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 950] close(21 [pid 949] exit_group(0 [pid 311] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 949] <... exit_group resumed>) = ? [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 951 attached [pid 950] close(22 [pid 949] +++ exited with 0 +++ [pid 311] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 951] set_robust_list(0x55555bb49760, 24 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 133 [pid 311] <... openat resumed>) = 3 [pid 951] <... set_robust_list resumed>) = 0 [pid 950] close(23 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] fstat(3 [pid 951] rt_sigprocmask(SIG_SETMASK, [] [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 951] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 950] close(24 [pid 311] getdents64(3 [pid 951] chdir("./131" [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 951] <... chdir resumed>) = 0 [pid 950] close(25 [pid 311] umount2("./125/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 951] <... prctl resumed>) = 0 [pid 950] close(26 [pid 311] umount2("./125/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 951] setpgid(0, 0 [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 951] <... setpgid resumed>) = 0 [pid 950] close(27 [pid 311] newfstatat(AT_FDCWD, "./125/config" [pid 951] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 951] <... symlink resumed>) = 0 [pid 950] close(28 [pid 311] umount2("./125/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 951] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 951] <... symlink resumed>) = 0 [pid 950] close(29 [pid 311] openat(AT_FDCWD, "./125/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 951] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 951] <... symlink resumed>) = 0 [pid 950] exit_group(0 [pid 311] fstat(4 [pid 951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 950] <... exit_group resumed>) = ? [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 951] <... openat resumed>) = 3 [pid 950] +++ exited with 0 +++ [pid 311] getdents64(4 [pid 951] write(3, "1000", 4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 951] <... write resumed>) = 4 [pid 311] getdents64(4 [pid 951] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 951] <... close resumed>) = 0 [pid 311] close(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 951] symlink("/dev/binderfs", "./binderfs" [pid 311] <... close resumed>) = 0 [pid 951] <... symlink resumed>) = 0 [pid 311] rmdir("./125/config" [pid 309] <... restart_syscall resumed>) = 0 [pid 951] write(1, "executing program\n", 18 [pid 311] <... rmdir resumed>) = 0 [pid 951] <... write resumed>) = 18 executing program [pid 311] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 951] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 951] <... mkdirat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./125/binderfs" [pid 951] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 951] <... mount resumed>) = 0 [pid 311] unlink("./125/binderfs" [pid 309] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 313] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 951] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./125/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... openat resumed>) = 3 [pid 951] <... mkdirat resumed>) = 0 [pid 313] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 951] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./125/cgroup.net" [pid 951] <... symlinkat resumed>) = 0 [pid 313] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 951] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 951] <... unlinkat resumed>) = 0 [pid 313] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 951] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = 0 [pid 951] <... unlinkat resumed>) = 0 [pid 313] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./125/cgroup.net" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 951] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./130/config" [pid 311] umount2("./125/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 951] close(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 951] close(5 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./125/cgroup.cpu" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./130/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 951] close(6 [pid 313] <... openat resumed>) = 4 [pid 311] unlink("./125/cgroup.cpu" [pid 309] umount2("./123/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 951] close(7 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... unlink resumed>) = 0 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 951] close(8 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] umount2("./125/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./123/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 951] close(9 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] newfstatat(AT_FDCWD, "./125/cgroup" [pid 310] <... openat resumed>) = 3 [pid 951] close(10 [pid 313] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./123/config" [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./130/config" [pid 311] unlink("./125/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 951] close(11 [pid 313] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 951] close(12 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 309] umount2("./123/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./130/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 951] close(13 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(3 [pid 310] umount2("./123/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./130/binderfs" [pid 311] <... close resumed>) = 0 [pid 951] close(14 [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] openat(AT_FDCWD, "./123/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./130/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./125" [pid 310] umount2("./123/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 951] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./130/cgroup.net" [pid 311] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 951] close(16 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] mkdir("./126", 0777 [pid 310] newfstatat(AT_FDCWD, "./123/config" [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./130/cgroup.net" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 951] close(17 [pid 313] <... unlink resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./130/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 951] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./123/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./130/cgroup.cpu" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 951] close(19 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./130/cgroup.cpu" [pid 951] close(20 [pid 313] <... unlink resumed>) = 0 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./130/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 952 attached [pid 951] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./123/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 952] set_robust_list(0x55555bb49760, 24 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./130/cgroup" [pid 952] <... set_robust_list resumed>) = 0 [pid 951] close(22 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 128 [pid 310] <... openat resumed>) = 4 [pid 309] close(4 [pid 952] rt_sigprocmask(SIG_SETMASK, [] [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./130/cgroup" [pid 952] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 951] close(23 [pid 313] <... unlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(4 [pid 309] <... close resumed>) = 0 [pid 952] chdir("./126" [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 952] <... chdir resumed>) = 0 [pid 951] close(24 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] rmdir("./123/config" [pid 952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 310] getdents64(4 [pid 952] <... prctl resumed>) = 0 [pid 951] close(25 [pid 313] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 952] setpgid(0, 0 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./130" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 952] <... setpgid resumed>) = 0 [pid 951] close(26 [pid 313] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 952] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] mkdir("./131", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 952] <... symlink resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 952] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 951] close(27 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(4 [pid 309] newfstatat(AT_FDCWD, "./123/binderfs" [pid 952] <... symlink resumed>) = 0 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 952] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 951] close(28 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 953 attached [pid 952] <... symlink resumed>) = 0 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./123/config" [pid 309] unlink("./123/binderfs" [pid 953] set_robust_list(0x55555bb49760, 24 [pid 952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 951] close(29 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 133 [pid 953] <... set_robust_list resumed>) = 0 [pid 952] <... openat resumed>) = 3 [pid 951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 953] rt_sigprocmask(SIG_SETMASK, [] [pid 952] write(3, "1000", 4 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 953] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 952] <... write resumed>) = 4 [pid 951] exit_group(0 [pid 310] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./123/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 953] chdir("./131" [pid 952] close(3 [pid 951] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 953] <... chdir resumed>) = 0 [pid 952] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 952] symlink("/dev/binderfs", "./binderfs") = 0 [pid 952] write(1, "executing program\n", 18) = 18 [pid 952] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 952] mount(NULL, "./config", "configfs", 0, NULL [pid 951] +++ exited with 0 +++ [pid 953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 952] <... mount resumed>) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./123/binderfs" [pid 309] newfstatat(AT_FDCWD, "./123/cgroup.net" [pid 953] <... prctl resumed>) = 0 [pid 952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 953] setpgid(0, 0 [pid 952] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] unlink("./123/binderfs" [pid 953] <... setpgid resumed>) = 0 [pid 952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] unlink("./123/cgroup.net" [pid 952] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... unlink resumed>) = 0 [pid 953] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 952] <... mkdirat resumed>) = 0 [pid 310] umount2("./123/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 952] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 953] <... symlink resumed>) = 0 [pid 952] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./123/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 953] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 952] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./123/cgroup.net" [pid 953] <... symlink resumed>) = 0 [pid 952] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 953] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 952] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 953] <... symlink resumed>) = 0 [pid 952] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./123/cgroup.cpu" [pid 953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 952] close(3 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] unlink("./123/cgroup.net" [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 953] <... openat resumed>) = 3 [pid 952] close(4 [pid 953] write(3, "1000", 4 [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./123/cgroup.cpu" [pid 953] <... write resumed>) = 4 [pid 952] close(5) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./123/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 953] close(3 [pid 952] close(6 [pid 309] <... unlink resumed>) = 0 [pid 953] <... close resumed>) = 0 [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./123/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 953] symlink("/dev/binderfs", "./binderfs" [pid 952] close(7 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./123/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 953] <... symlink resumed>) = 0 [pid 952] close(8 [pid 953] write(1, "executing program\n", 18 [pid 312] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./123/cgroup" [pid 953] <... write resumed>) = 18 [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 310] unlink("./123/cgroup.cpu" [pid 952] close(9 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 953] mkdirat(AT_FDCWD, "./config", 0777 [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./123/cgroup" [pid 953] <... mkdirat resumed>) = 0 [pid 952] close(10 [pid 312] fstat(3 [pid 310] umount2("./123/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 953] mount(NULL, "./config", "configfs", 0, NULL [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 953] <... mount resumed>) = 0 [pid 952] close(11 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./123/cgroup" [pid 309] getdents64(3 [pid 953] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 952] close(12) = -1 EBADF (Bad file descriptor) [pid 952] close(13 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 953] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 952] close(14 [pid 310] unlink("./123/cgroup" [pid 953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 309] close(3 [pid 952] close(15 [pid 310] <... unlink resumed>) = 0 [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 953] <... mkdirat resumed>) = 0 [pid 952] close(16 [pid 953] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 953] <... symlinkat resumed>) = 0 [pid 952] close(17 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 953] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 309] rmdir("./123" [pid 953] <... unlinkat resumed>) = 0 [pid 952] close(18 [pid 312] newfstatat(AT_FDCWD, "./131/config" [pid 310] <... close resumed>) = 0 [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 952] close(19 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./123" [pid 309] <... rmdir resumed>) = 0 [pid 953] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 952] close(20 [pid 310] <... rmdir resumed>) = 0 [pid 309] mkdir("./124", 0777 [pid 953] <... unlinkat resumed>) = 0 [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 952] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 953] close(3 [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./131/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./124", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 952] close(22 [pid 312] <... openat resumed>) = 4 [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 953] close(4 [pid 952] close(23 [pid 312] fstat(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 953] close(5 [pid 952] close(24 [pid 312] getdents64(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 952] close(25) = -1 EBADF (Bad file descriptor) [pid 952] close(26) = -1 EBADF (Bad file descriptor) [pid 952] close(27) = -1 EBADF (Bad file descriptor) [pid 952] close(28) = -1 EBADF (Bad file descriptor) [pid 952] close(29) = -1 EBADF (Bad file descriptor) [pid 952] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 954 attached ci2-android-5-15/strace-static-x86_64: Process 955 attached [pid 952] +++ exited with 0 +++ [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 955] set_robust_list(0x55555bb49760, 24 [pid 954] set_robust_list(0x55555bb49760, 24 [pid 953] close(6 [pid 312] getdents64(4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 126 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 126 [pid 955] <... set_robust_list resumed>) = 0 [pid 955] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 955] chdir("./124" [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 955] <... chdir resumed>) = 0 [pid 954] <... set_robust_list resumed>) = 0 [pid 953] close(7 [pid 312] close(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 954] rt_sigprocmask(SIG_SETMASK, [] [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 955] <... prctl resumed>) = 0 [pid 954] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 953] close(8 [pid 312] rmdir("./131/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 955] setpgid(0, 0 [pid 954] chdir("./124" [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 955] <... setpgid resumed>) = 0 [pid 954] <... chdir resumed>) = 0 [pid 953] close(9 [pid 312] <... rmdir resumed>) = 0 [pid 955] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 955] <... symlink resumed>) = 0 [pid 954] <... prctl resumed>) = 0 [pid 953] close(10 [pid 955] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 954] setpgid(0, 0 [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 955] <... symlink resumed>) = 0 [pid 955] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 954] <... setpgid resumed>) = 0 [pid 953] close(11 [pid 312] newfstatat(AT_FDCWD, "./131/binderfs" [pid 955] <... symlink resumed>) = 0 [pid 954] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 955] <... openat resumed>) = 3 [pid 954] <... symlink resumed>) = 0 [pid 953] close(12 [pid 312] unlink("./131/binderfs" [pid 955] write(3, "1000", 4 [pid 954] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 955] <... write resumed>) = 4 [pid 312] <... unlink resumed>) = 0 [pid 955] close(3 [pid 954] <... symlink resumed>) = 0 [pid 955] <... close resumed>) = 0 [pid 953] close(13 [pid 312] umount2("./131/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 955] symlink("/dev/binderfs", "./binderfs" [pid 954] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 955] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 955] write(1, "executing program\n", 18 [pid 954] <... symlink resumed>) = 0 [pid 953] close(14 [pid 312] newfstatat(AT_FDCWD, "./131/cgroup.net" [pid 955] <... write resumed>) = 18 executing program [pid 954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 955] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 955] <... mkdirat resumed>) = 0 [pid 954] <... openat resumed>) = 3 [pid 953] close(15 [pid 312] unlink("./131/cgroup.net" [pid 955] mount(NULL, "./config", "configfs", 0, NULL [pid 954] write(3, "1000", 4 [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 955] <... mount resumed>) = 0 [pid 954] <... write resumed>) = 4 [pid 953] close(16 [pid 312] <... unlink resumed>) = 0 [pid 955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 954] close(3 [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./131/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 954] <... close resumed>) = 0 [pid 953] close(17 [pid 955] <... mkdirat resumed>) = 0 [pid 954] symlink("/dev/binderfs", "./binderfs" [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 955] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 954] <... symlink resumed>) = 0 executing program [pid 955] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 953] close(18 [pid 954] write(1, "executing program\n", 18 [pid 312] newfstatat(AT_FDCWD, "./131/cgroup.cpu" [pid 955] <... unlinkat resumed>) = 0 [pid 954] <... write resumed>) = 18 [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 955] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 954] mkdirat(AT_FDCWD, "./config", 0777 [pid 953] close(19 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 955] close(3) = -1 EBADF (Bad file descriptor) [pid 954] <... mkdirat resumed>) = 0 [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./131/cgroup.cpu" [pid 955] close(4 [pid 954] mount(NULL, "./config", "configfs", 0, NULL [pid 953] close(20 [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 955] close(5 [pid 954] <... mount resumed>) = 0 [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./131/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 953] close(21 [pid 955] close(6 [pid 954] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 953] close(22 [pid 312] newfstatat(AT_FDCWD, "./131/cgroup" [pid 955] close(7 [pid 954] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 953] close(23 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 955] close(8) = -1 EBADF (Bad file descriptor) [pid 955] close(9) = -1 EBADF (Bad file descriptor) [pid 954] <... mkdirat resumed>) = 0 [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./131/cgroup" [pid 955] close(10 [pid 954] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 953] close(24 [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 955] close(11 [pid 954] <... symlinkat resumed>) = 0 [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 954] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 955] close(12) = -1 EBADF (Bad file descriptor) [pid 955] close(13) = -1 EBADF (Bad file descriptor) [pid 954] <... unlinkat resumed>) = 0 [pid 953] close(25 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 955] close(14 [pid 954] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 955] close(15) = -1 EBADF (Bad file descriptor) [pid 955] close(16 [pid 954] <... unlinkat resumed>) = 0 [pid 953] close(26 [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 954] close(3 [pid 312] <... close resumed>) = 0 [pid 955] close(17 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./131" [pid 311] <... restart_syscall resumed>) = 0 [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 954] close(4 [pid 953] close(27 [pid 955] close(18 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 954] close(5 [pid 953] close(28 [pid 312] mkdir("./132", 0777 [pid 955] close(19 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 954] close(6 [pid 953] close(29 [pid 312] <... mkdir resumed>) = 0 [pid 311] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 955] close(20 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 954] close(7 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 955] close(21) = -1 EBADF (Bad file descriptor) [pid 955] close(22 [pid 953] exit_group(0 [pid 311] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 953] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 955] close(23 [pid 954] close(8 [pid 311] <... openat resumed>) = 3 [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 955] close(24) = -1 EBADF (Bad file descriptor) [pid 955] close(25) = -1 EBADF (Bad file descriptor) [pid 955] close(26) = -1 EBADF (Bad file descriptor) [pid 955] close(27) = -1 EBADF (Bad file descriptor) [pid 953] +++ exited with 0 +++ [pid 955] close(28 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] fstat(3 [pid 955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 954] close(9 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 955] close(29) = -1 EBADF (Bad file descriptor) [pid 955] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 956 attached [pid 955] +++ exited with 0 +++ [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 956] set_robust_list(0x55555bb49760, 24 [pid 954] close(10 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 134 [pid 311] getdents64(3 [pid 956] <... set_robust_list resumed>) = 0 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 956] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 956] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 954] close(11 [pid 313] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./126/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 956] chdir("./132" [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 954] close(12 [pid 311] <... umount2 resumed>) = 0 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 956] <... chdir resumed>) = 0 [pid 954] close(13 [pid 313] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./126/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 956] <... prctl resumed>) = 0 [pid 954] close(14 [pid 313] fstat(3 [pid 311] newfstatat(AT_FDCWD, "./126/config" [pid 956] setpgid(0, 0 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 956] <... setpgid resumed>) = 0 [pid 954] close(15 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW [pid 956] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] umount2("./126/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 956] <... symlink resumed>) = 0 [pid 954] close(16 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 956] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 956] <... symlink resumed>) = 0 [pid 954] close(17 [pid 310] fstat(3 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 311] openat(AT_FDCWD, "./126/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 956] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 954] close(18 [pid 313] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 956] <... symlink resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 311] fstat(4 [pid 956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 954] close(19 [pid 313] newfstatat(AT_FDCWD, "./131/config" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 956] <... openat resumed>) = 3 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./124/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 956] write(3, "1000", 4 [pid 954] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 956] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = 0 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./124/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 954] close(21 [pid 956] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 956] <... close resumed>) = 0 [pid 313] openat(AT_FDCWD, "./131/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 954] close(22 [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./124/config" [pid 956] symlink("/dev/binderfs", "./binderfs" [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 956] <... symlink resumed>) = 0 [pid 954] close(23 [pid 313] fstat(4 [pid 311] close(4 [pid 956] write(1, "executing program\n", 18 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] umount2("./124/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 956] <... write resumed>) = 18 executing program [pid 954] close(24 [pid 313] getdents64(4 [pid 311] <... close resumed>) = 0 [pid 956] mkdirat(AT_FDCWD, "./config", 0777 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./126/config" [pid 956] <... mkdirat resumed>) = 0 [pid 954] close(25 [pid 313] getdents64(4 [pid 310] openat(AT_FDCWD, "./124/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 956] mount(NULL, "./config", "configfs", 0, NULL [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 956] <... mount resumed>) = 0 [pid 954] close(26 [pid 313] close(4 [pid 311] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] fstat(4 [pid 956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 954] close(27 [pid 313] rmdir("./131/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 954] close(28 [pid 313] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./126/binderfs" [pid 956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 954] close(29 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 954] exit_group(0 [pid 313] newfstatat(AT_FDCWD, "./131/binderfs" [pid 954] <... exit_group resumed>) = ? [pid 311] unlink("./126/binderfs" [pid 310] getdents64(4 [pid 954] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./131/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 956] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 956] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./126/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 956] <... symlinkat resumed>) = 0 [pid 313] umount2("./131/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 956] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./126/cgroup.net" [pid 310] rmdir("./124/config" [pid 313] newfstatat(AT_FDCWD, "./131/cgroup.net" [pid 956] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 956] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] unlink("./131/cgroup.net" [pid 311] unlink("./126/cgroup.net" [pid 310] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./131/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./124/binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./126/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 956] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./131/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 956] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./124/binderfs" [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./131/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./126/cgroup.cpu" [pid 956] close(4 [pid 310] <... unlink resumed>) = 0 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./124/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 956] close(5 [pid 313] umount2("./131/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./126/cgroup.cpu" [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 956] close(6 [pid 313] newfstatat(AT_FDCWD, "./131/cgroup" [pid 311] umount2("./126/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./124/cgroup.net" [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 956] close(7 [pid 313] unlink("./131/cgroup" [pid 311] newfstatat(AT_FDCWD, "./126/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 956] close(8 [pid 313] getdents64(3 [pid 311] unlink("./126/cgroup" [pid 310] unlink("./124/cgroup.net" [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... unlink resumed>) = 0 [pid 313] close(3 [pid 310] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 956] close(9 [pid 313] <... close resumed>) = 0 [pid 310] umount2("./124/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./131" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 956] close(10 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] close(3 [pid 310] newfstatat(AT_FDCWD, "./124/cgroup.cpu" [pid 956] close(11 [pid 313] mkdir("./132", 0777 [pid 311] <... close resumed>) = 0 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 310] unlink("./124/cgroup.cpu" [pid 311] rmdir("./126" [pid 956] close(12 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... unlink resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./124/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] mkdir("./127", 0777 [pid 956] close(13 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 957 attached [pid 310] newfstatat(AT_FDCWD, "./124/cgroup" [pid 957] set_robust_list(0x55555bb49760, 24 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 134 [pid 311] <... mkdir resumed>) = 0 [pid 957] <... set_robust_list resumed>) = 0 [pid 956] close(14 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 957] rt_sigprocmask(SIG_SETMASK, [] [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] unlink("./124/cgroup" [pid 957] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 956] close(15 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 957] chdir("./132" [pid 310] <... unlink resumed>) = 0 [pid 957] <... chdir resumed>) = 0 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 956] close(16 [pid 957] <... prctl resumed>) = 0 [pid 957] setpgid(0, 0) = 0 [pid 957] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 957] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 958 attached ) = 0 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 958] set_robust_list(0x55555bb49760, 24 [pid 957] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 956] close(17 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 129 [pid 310] close(3 [pid 309] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW [pid 958] <... set_robust_list resumed>) = 0 [pid 957] <... symlink resumed>) = 0 [pid 958] rt_sigprocmask(SIG_SETMASK, [] [pid 957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 958] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 957] <... openat resumed>) = 3 [pid 958] chdir("./127" [pid 957] write(3, "1000", 4 [pid 956] close(18 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./124" [pid 309] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 958] <... chdir resumed>) = 0 [pid 957] <... write resumed>) = 4 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 957] close(3 [pid 956] close(19 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 958] <... prctl resumed>) = 0 [pid 957] <... close resumed>) = 0 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./125", 0777 [pid 309] fstat(3 [pid 958] setpgid(0, 0 [pid 957] symlink("/dev/binderfs", "./binderfs" [pid 958] <... setpgid resumed>) = 0 [pid 957] <... symlink resumed>) = 0 [pid 956] close(20 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 958] symlink("/syzcgroup/unified/syz2", "./cgroup" executing program [pid 957] write(1, "executing program\n", 18 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 958] <... symlink resumed>) = 0 [pid 957] <... write resumed>) = 18 [pid 309] getdents64(3 [pid 958] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 957] mkdirat(AT_FDCWD, "./config", 0777 [pid 956] close(21 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 958] <... symlink resumed>) = 0 [pid 957] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 958] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 957] mount(NULL, "./config", "configfs", 0, NULL [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./124/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 958] <... symlink resumed>) = 0 [pid 957] <... mount resumed>) = 0 [pid 956] close(22 [pid 958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 958] <... openat resumed>) = 3 [pid 957] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 958] write(3, "1000", 4 [pid 957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-5-15/strace-static-x86_64: Process 959 attached [pid 958] <... write resumed>) = 4 [pid 957] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 959] set_robust_list(0x55555bb49760, 24 [pid 958] close(3 [pid 957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 956] close(23 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 127 [pid 309] umount2("./124/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 959] <... set_robust_list resumed>) = 0 [pid 958] <... close resumed>) = 0 [pid 957] <... mkdirat resumed>) = 0 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] rt_sigprocmask(SIG_SETMASK, [] [pid 958] symlink("/dev/binderfs", "./binderfs" [pid 957] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 956] close(24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 959] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 958] <... symlink resumed>) = 0 [pid 957] <... symlinkat resumed>) = 0 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./124/config" [pid 959] chdir("./125" [pid 958] write(1, "executing program\n", 18 executing program [pid 957] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 956] close(25 [pid 959] <... chdir resumed>) = 0 [pid 958] <... write resumed>) = 18 [pid 957] <... unlinkat resumed>) = 0 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 958] mkdirat(AT_FDCWD, "./config", 0777 [pid 957] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 956] close(26 [pid 309] umount2("./124/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 959] <... prctl resumed>) = 0 [pid 958] <... mkdirat resumed>) = 0 [pid 957] <... unlinkat resumed>) = 0 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] setpgid(0, 0 [pid 958] mount(NULL, "./config", "configfs", 0, NULL [pid 957] close(3 [pid 956] close(27 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 959] <... setpgid resumed>) = 0 [pid 958] <... mount resumed>) = 0 [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 957] close(4 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./124/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 959] <... symlink resumed>) = 0 [pid 958] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 956] close(28 [pid 959] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 957] close(5 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 959] <... symlink resumed>) = 0 [pid 958] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 956] close(29 [pid 309] fstat(4 [pid 959] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 957] close(6 [pid 956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 959] <... symlink resumed>) = 0 [pid 958] <... mkdirat resumed>) = 0 [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 958] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 957] close(7 [pid 956] exit_group(0 [pid 309] getdents64(4 [pid 959] <... openat resumed>) = 3 [pid 958] <... symlinkat resumed>) = 0 [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] write(3, "1000", 4 [pid 958] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 957] close(8 [pid 956] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 959] <... write resumed>) = 4 [pid 958] <... unlinkat resumed>) = 0 [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] close(3 [pid 958] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 957] close(9 [pid 959] <... close resumed>) = 0 [pid 958] <... unlinkat resumed>) = 0 [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] symlink("/dev/binderfs", "./binderfs" [pid 958] close(3 [pid 957] close(10 [pid 959] <... symlink resumed>) = 0 [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 956] +++ exited with 0 +++ [pid 309] getdents64(4 [pid 959] write(1, "executing program\n", 18 [pid 958] close(4 [pid 957] close(11 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 959] <... write resumed>) = 18 executing program [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] mkdirat(AT_FDCWD, "./config", 0777 [pid 958] close(5 [pid 957] close(12 [pid 309] close(4 [pid 959] <... mkdirat resumed>) = 0 [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] mount(NULL, "./config", "configfs", 0, NULL [pid 958] close(6 [pid 957] close(13 [pid 309] <... close resumed>) = 0 [pid 959] <... mount resumed>) = 0 [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 958] close(7 [pid 957] close(14 [pid 309] rmdir("./124/config" [pid 959] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 958] close(8 [pid 957] close(15 [pid 309] <... rmdir resumed>) = 0 [pid 959] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 958] close(9 [pid 957] close(16 [pid 959] <... mkdirat resumed>) = 0 [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 959] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 958] close(10 [pid 957] close(17 [pid 959] <... symlinkat resumed>) = 0 [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./124/binderfs" [pid 959] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 958] close(11 [pid 957] close(18 [pid 959] <... unlinkat resumed>) = 0 [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 959] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 958] close(12 [pid 957] close(19 [pid 959] <... unlinkat resumed>) = 0 [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./124/binderfs" [pid 959] close(3 [pid 958] close(13 [pid 957] close(20 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] close(4 [pid 958] close(14 [pid 957] close(21 [pid 309] <... unlink resumed>) = 0 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./124/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 959] close(5 [pid 958] close(15 [pid 957] close(22 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 959] close(6 [pid 958] close(16 [pid 957] close(23 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] close(7 [pid 958] close(17 [pid 957] close(24 [pid 309] newfstatat(AT_FDCWD, "./124/cgroup.net" [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] close(8 [pid 958] close(18 [pid 957] close(25 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./124/cgroup.net" [pid 959] close(9 [pid 958] close(19 [pid 957] close(26 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 959] close(10 [pid 958] close(20 [pid 957] close(27 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./124/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 959] close(11 [pid 958] close(21 [pid 957] close(28 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 959] close(12 [pid 958] close(22 [pid 957] close(29 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] close(13 [pid 958] close(23 [pid 957] exit_group(0 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 957] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./124/cgroup.cpu" [pid 959] close(14 [pid 958] close(24 [pid 957] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./124/cgroup.cpu" [pid 959] close(15 [pid 958] close(25 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 959] close(16 [pid 958] close(26 [pid 309] umount2("./124/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] close(17 [pid 958] close(27 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] close(18 [pid 958] close(28 [pid 309] newfstatat(AT_FDCWD, "./124/cgroup" [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] close(19 [pid 958] close(29 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./124/cgroup" [pid 959] close(20 [pid 958] exit_group(0 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 958] <... exit_group resumed>) = ? [pid 309] <... unlink resumed>) = 0 [pid 959] close(21 [pid 958] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 959] close(22 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 959] close(23) = -1 EBADF (Bad file descriptor) [pid 959] close(24 [pid 309] <... close resumed>) = 0 [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] close(25 [pid 309] rmdir("./124" [pid 959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 959] close(26) = -1 EBADF (Bad file descriptor) [pid 959] close(27) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 959] close(28) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./125", 0777 [pid 959] close(29) = -1 EBADF (Bad file descriptor) [pid 959] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 959] <... exit_group resumed>) = ? [pid 959] +++ exited with 0 +++ [pid 313] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 960 attached [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] set_robust_list(0x55555bb49760, 24 [pid 312] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 960] <... set_robust_list resumed>) = 0 [pid 313] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 127 [pid 960] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... openat resumed>) = 3 [pid 313] <... openat resumed>) = 3 [pid 960] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 960] chdir("./125" [pid 313] fstat(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 960] <... chdir resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] getdents64(3 [pid 960] <... prctl resumed>) = 0 [pid 313] getdents64(3 [pid 960] setpgid(0, 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 960] <... setpgid resumed>) = 0 [pid 313] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 960] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 312] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 960] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 960] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 313] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = 0 [pid 960] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 960] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./132/config" [pid 311] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] <... openat resumed>) = 3 [pid 313] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./132/config" [pid 311] <... openat resumed>) = 3 [pid 960] write(3, "1000", 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] <... write resumed>) = 4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 960] close(3 [pid 313] openat(AT_FDCWD, "./132/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 960] <... close resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] symlink("/dev/binderfs", "./binderfs" [pid 313] fstat(4 [pid 312] openat(AT_FDCWD, "./132/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] getdents64(3 [pid 960] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 960] write(1, "executing program\n", 18 [pid 312] <... openat resumed>) = 4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 executing program [pid 960] <... write resumed>) = 18 [pid 313] getdents64(4 [pid 312] fstat(4 [pid 960] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 960] <... mkdirat resumed>) = 0 [pid 960] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 313] getdents64(4 [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = 0 [pid 960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 960] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] close(4 [pid 311] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] getdents64(4 [pid 960] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... close resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] rmdir("./132/config" [pid 312] close(4 [pid 311] newfstatat(AT_FDCWD, "./127/config" [pid 960] <... mkdirat resumed>) = 0 [pid 960] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... rmdir resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 960] <... symlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 960] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 313] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./132/config" [pid 311] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 960] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] <... unlinkat resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] close(3 [pid 313] newfstatat(AT_FDCWD, "./132/binderfs" [pid 312] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./127/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 960] close(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./132/binderfs" [pid 312] newfstatat(AT_FDCWD, "./132/binderfs" [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 960] close(5 [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(4 [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./132/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./132/binderfs" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] close(6) = -1 EBADF (Bad file descriptor) [pid 960] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 310] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 960] close(8 [pid 313] newfstatat(AT_FDCWD, "./132/cgroup.net" [pid 312] umount2("./132/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 960] close(9 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./132/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./132/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 960] close(10 [pid 313] <... unlink resumed>) = 0 [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./132/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 960] close(11 [pid 312] unlink("./132/cgroup.net" [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 960] close(12 [pid 313] newfstatat(AT_FDCWD, "./132/cgroup.cpu" [pid 312] <... unlink resumed>) = 0 [pid 311] rmdir("./127/config" [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./132/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 960] close(13 [pid 313] unlink("./132/cgroup.cpu" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./125/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./132/cgroup.cpu" [pid 311] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 960] close(14) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./132/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./132/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./127/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./132/cgroup" [pid 960] close(16 [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./132/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./127/binderfs" [pid 310] umount2("./125/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 960] close(17 [pid 313] unlink("./132/cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] close(18 [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./132/cgroup" [pid 311] umount2("./127/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./125/config" [pid 960] close(19) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 960] close(20 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] unlink("./132/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./127/cgroup.net" [pid 310] umount2("./125/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 960] close(21 [pid 313] <... close resumed>) = 0 [pid 312] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./132" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] unlink("./127/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] close(22 [pid 313] <... rmdir resumed>) = 0 [pid 312] close(3 [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 313] mkdir("./133", 0777 [pid 310] openat(AT_FDCWD, "./125/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 960] close(23 [pid 312] <... close resumed>) = 0 [pid 311] umount2("./127/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 960] close(24 [pid 312] rmdir("./132" [pid 310] <... openat resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... rmdir resumed>) = 0 [pid 310] fstat(4 [pid 960] close(25 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] mkdir("./133", 0777 [pid 311] newfstatat(AT_FDCWD, "./127/cgroup.cpu" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 960] close(26 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 960] close(27) = -1 EBADF (Bad file descriptor) [pid 960] close(28) = -1 EBADF (Bad file descriptor) [pid 960] close(29) = -1 EBADF (Bad file descriptor) [pid 960] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 961 attached ) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] unlink("./127/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 961] set_robust_list(0x55555bb49760, 24 [pid 960] +++ exited with 0 +++ [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 135 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 961] <... set_robust_list resumed>) = 0 [pid 310] getdents64(4 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 961] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./127/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 961] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 961] chdir("./133") = 0 [pid 961] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 962 attached ) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 962] set_robust_list(0x55555bb49760, 24 [pid 961] setpgid(0, 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 135 [pid 311] newfstatat(AT_FDCWD, "./127/cgroup" [pid 310] close(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 962] <... set_robust_list resumed>) = 0 [pid 961] <... setpgid resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 961] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 961] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 961] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 962] rt_sigprocmask(SIG_SETMASK, [] [pid 961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] unlink("./127/cgroup" [pid 310] rmdir("./125/config" [pid 962] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 961] <... openat resumed>) = 3 [pid 961] write(3, "1000", 4) = 4 [pid 961] close(3) = 0 [pid 961] symlink("/dev/binderfs", "./binderfs") = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 962] chdir("./133" [pid 961] write(1, "executing program\n", 18 [pid 311] getdents64(3 [pid 310] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 962] <... chdir resumed>) = 0 executing program [pid 961] <... write resumed>) = 18 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 961] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 962] <... prctl resumed>) = 0 [pid 961] <... mkdirat resumed>) = 0 [pid 311] close(3 [pid 961] mount(NULL, "./config", "configfs", 0, NULL [pid 962] setpgid(0, 0 [pid 961] <... mount resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./125/binderfs" [pid 962] <... setpgid resumed>) = 0 [pid 961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] rmdir("./127" [pid 962] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 961] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 311] <... rmdir resumed>) = 0 [pid 310] unlink("./125/binderfs" [pid 962] <... symlink resumed>) = 0 [pid 961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] mkdir("./128", 0777 [pid 962] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 961] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 961] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 962] <... symlink resumed>) = 0 [pid 961] <... symlinkat resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] umount2("./125/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 962] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 961] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 961] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 962] <... symlink resumed>) = 0 [pid 961] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 961] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./125/cgroup.net" [pid 961] close(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 962] <... openat resumed>) = 3 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 961] close(4) = -1 EBADF (Bad file descriptor) [pid 961] close(5) = -1 EBADF (Bad file descriptor) [pid 961] close(6) = -1 EBADF (Bad file descriptor) [pid 961] close(7) = -1 EBADF (Bad file descriptor) [pid 961] close(8ci2-android-5-15/strace-static-x86_64: Process 963 attached [pid 962] write(3, "1000", 4 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./125/cgroup.net" [pid 963] set_robust_list(0x55555bb49760, 24 [pid 962] <... write resumed>) = 4 [pid 961] close(9 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 130 [pid 963] <... set_robust_list resumed>) = 0 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 963] rt_sigprocmask(SIG_SETMASK, [] [pid 962] close(3 [pid 961] close(10 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 963] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 962] <... close resumed>) = 0 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 963] chdir("./128" [pid 962] symlink("/dev/binderfs", "./binderfs" [pid 961] close(11 [pid 310] umount2("./125/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 963] <... chdir resumed>) = 0 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 962] <... symlink resumed>) = 0 [pid 961] close(12 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 963] <... prctl resumed>) = 0 [pid 962] write(1, "executing program\n", 18 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./125/cgroup.cpu" [pid 963] setpgid(0, 0 [pid 962] <... write resumed>) = 18 [pid 961] close(13 [pid 963] <... setpgid resumed>) = 0 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 963] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 962] mkdirat(AT_FDCWD, "./config", 0777 [pid 961] close(14 [pid 310] unlink("./125/cgroup.cpu" [pid 963] <... symlink resumed>) = 0 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 963] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 962] <... mkdirat resumed>) = 0 [pid 961] close(15 [pid 963] <... symlink resumed>) = 0 [pid 962] mount(NULL, "./config", "configfs", 0, NULL [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 963] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 961] close(16 [pid 963] <... symlink resumed>) = 0 [pid 962] <... mount resumed>) = 0 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./125/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 961] close(17 [pid 963] <... openat resumed>) = 3 [pid 962] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 963] write(3, "1000", 4 [pid 962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 961] close(18 [pid 963] <... write resumed>) = 4 [pid 962] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./125/cgroup" [pid 963] close(3 [pid 962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 961] close(19 [pid 963] <... close resumed>) = 0 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 963] symlink("/dev/binderfs", "./binderfs" [pid 961] close(20 [pid 963] <... symlink resumed>) = 0 [pid 962] <... mkdirat resumed>) = 0 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./125/cgroup" [pid 963] write(1, "executing program\n", 18 [pid 962] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 961] close(21 [pid 963] <... write resumed>) = 18 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 executing program [pid 963] mkdirat(AT_FDCWD, "./config", 0777 [pid 962] <... symlinkat resumed>) = 0 [pid 961] close(22 [pid 310] getdents64(3 [pid 963] <... mkdirat resumed>) = 0 [pid 962] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 963] mount(NULL, "./config", "configfs", 0, NULL [pid 962] <... unlinkat resumed>) = 0 [pid 961] close(23 [pid 963] <... mount resumed>) = 0 [pid 962] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 961] close(24 [pid 963] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 962] <... unlinkat resumed>) = 0 [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 962] close(3 [pid 961] close(25 [pid 310] <... close resumed>) = 0 [pid 963] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./125" [pid 309] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 962] close(4 [pid 961] close(26 [pid 310] <... rmdir resumed>) = 0 [pid 963] <... mkdirat resumed>) = 0 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./126", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 963] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 962] close(5 [pid 961] close(27 [pid 963] <... symlinkat resumed>) = 0 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 963] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 962] close(6 [pid 961] close(28 [pid 963] <... unlinkat resumed>) = 0 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... openat resumed>) = 3 [pid 963] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 962] close(7 [pid 961] close(29 [pid 963] <... unlinkat resumed>) = 0 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(3 [pid 963] close(3 [pid 962] close(8 [pid 961] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 961] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 964 attached [pid 963] close(4 [pid 962] close(9 [pid 961] +++ exited with 0 +++ [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 128 [pid 964] set_robust_list(0x55555bb49760, 24 [pid 963] close(5 [pid 962] close(10 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 964] <... set_robust_list resumed>) = 0 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./125/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 963] close(6 [pid 964] rt_sigprocmask(SIG_SETMASK, [] [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] close(11 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 964] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 963] close(7 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 964] chdir("./126" [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] close(12 [pid 309] umount2("./125/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 964] <... chdir resumed>) = 0 [pid 963] close(8 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] close(13 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 964] <... prctl resumed>) = 0 [pid 963] close(9 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./125/config" [pid 964] setpgid(0, 0 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] close(14 [pid 964] <... setpgid resumed>) = 0 [pid 963] close(10 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 964] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./125/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 963] close(11) = -1 EBADF (Bad file descriptor) [pid 963] close(12 [pid 964] <... symlink resumed>) = 0 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] close(15 [pid 964] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 963] close(13 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 964] <... symlink resumed>) = 0 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] close(16 [pid 309] openat(AT_FDCWD, "./125/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 964] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 963] close(14 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 964] <... symlink resumed>) = 0 [pid 963] close(15 [pid 962] close(17 [pid 309] fstat(4 [pid 964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 963] close(16 [pid 964] <... openat resumed>) = 3 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 963] close(17) = -1 EBADF (Bad file descriptor) [pid 962] close(18 [pid 309] getdents64(4 [pid 964] write(3, "1000", 4 [pid 963] close(18 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 964] <... write resumed>) = 4 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] close(19 [pid 309] getdents64(4 [pid 964] close(3 [pid 963] close(19 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 963] close(20 [pid 964] <... close resumed>) = 0 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] close(20 [pid 964] symlink("/dev/binderfs", "./binderfs" [pid 309] close(4 [pid 963] close(21 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 964] <... symlink resumed>) = 0 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 963] close(22) = -1 EBADF (Bad file descriptor) [pid 962] close(21 [pid 964] write(1, "executing program\n", 18 [pid 309] <... close resumed>) = 0 [pid 964] <... write resumed>) = 18 [pid 963] close(23 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./125/config" [pid 964] mkdirat(AT_FDCWD, "./config", 0777 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] close(22 executing program [pid 963] close(24 [pid 309] <... rmdir resumed>) = 0 [pid 964] <... mkdirat resumed>) = 0 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 964] mount(NULL, "./config", "configfs", 0, NULL [pid 963] close(25 [pid 962] close(23 [pid 309] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 964] <... mount resumed>) = 0 [pid 963] close(26 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] close(24 [pid 309] newfstatat(AT_FDCWD, "./125/binderfs" [pid 964] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 963] close(27 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 964] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 963] close(28 [pid 962] close(25 [pid 309] unlink("./125/binderfs" [pid 964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 963] close(29 [pid 309] <... unlink resumed>) = 0 [pid 963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 964] <... mkdirat resumed>) = 0 [pid 963] exit_group(0 [pid 962] close(26 [pid 309] umount2("./125/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 964] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 963] <... exit_group resumed>) = ? [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 964] <... symlinkat resumed>) = 0 [pid 963] +++ exited with 0 +++ [pid 962] close(27 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 964] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./125/cgroup.net" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 964] <... unlinkat resumed>) = 0 [pid 962] close(28 [pid 964] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 964] <... unlinkat resumed>) = 0 [pid 962] close(29 [pid 309] unlink("./125/cgroup.net" [pid 964] close(3 [pid 962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 962] exit_group(0 [pid 309] umount2("./125/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 964] close(4 [pid 962] <... exit_group resumed>) = ? [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 962] +++ exited with 0 +++ [pid 964] close(5 [pid 309] newfstatat(AT_FDCWD, "./125/cgroup.cpu" [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 964] close(6 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./125/cgroup.cpu" [pid 964] close(7) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 964] close(8 [pid 309] umount2("./125/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 964] close(9 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./125/cgroup" [pid 964] close(10) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 964] close(11 [pid 313] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./125/cgroup" [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 964] close(12 [pid 309] <... unlink resumed>) = 0 [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 964] close(13) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 964] close(14 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] fstat(3 [pid 312] <... restart_syscall resumed>) = 0 [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] close(3 [pid 964] close(15 [pid 313] getdents64(3 [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 964] close(16 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./125" [pid 964] close(17 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(3 [pid 309] <... rmdir resumed>) = 0 [pid 964] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./133/config" [pid 312] getdents64(3 [pid 309] mkdir("./126", 0777 [pid 964] close(19 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 964] close(20 [pid 312] <... umount2 resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 964] close(21 [pid 313] openat(AT_FDCWD, "./133/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./133/config" [pid 964] close(22 [pid 313] <... openat resumed>) = 4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./133/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 312] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 ci2-android-5-15/strace-static-x86_64: Process 965 attached [pid 964] close(23 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4 [pid 965] set_robust_list(0x55555bb49760, 24 [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 965] <... set_robust_list resumed>) = 0 [pid 964] close(24 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] close(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 128 [pid 965] rt_sigprocmask(SIG_SETMASK, [] [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... close resumed>) = 0 [pid 965] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 964] close(25 [pid 312] rmdir("./133/config" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 965] chdir("./126" [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 965] <... chdir resumed>) = 0 [pid 964] close(26 [pid 313] <... close resumed>) = 0 [pid 312] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./133/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 965] <... prctl resumed>) = 0 [pid 964] close(27 [pid 312] newfstatat(AT_FDCWD, "./133/binderfs" [pid 965] setpgid(0, 0 [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 965] <... setpgid resumed>) = 0 [pid 964] close(28 [pid 312] unlink("./133/binderfs" [pid 311] <... restart_syscall resumed>) = 0 [pid 965] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 965] <... symlink resumed>) = 0 [pid 964] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./133/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 965] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./133/binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 965] <... symlink resumed>) = 0 [pid 964] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./133/cgroup.net" [pid 965] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 964] <... exit_group resumed>) = ? [pid 965] <... symlink resumed>) = 0 [pid 313] unlink("./133/binderfs" [pid 312] unlink("./133/cgroup.net" [pid 965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 965] <... openat resumed>) = 3 [pid 312] umount2("./133/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 965] write(3, "1000", 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 965] <... write resumed>) = 4 [pid 312] newfstatat(AT_FDCWD, "./133/cgroup.cpu" [pid 965] close(3 [pid 964] +++ exited with 0 +++ [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 965] <... close resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./133/cgroup.cpu" [pid 311] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 965] symlink("/dev/binderfs", "./binderfs" [pid 313] umount2("./133/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 965] <... symlink resumed>) = 0 [pid 312] umount2("./133/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 965] write(1, "executing program\n", 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(3 [pid 965] <... write resumed>) = 18 [pid 313] newfstatat(AT_FDCWD, "./133/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./133/cgroup" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 965] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 965] <... mkdirat resumed>) = 0 [pid 313] unlink("./133/cgroup.net" [pid 312] unlink("./133/cgroup" [pid 965] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 965] <... mount resumed>) = 0 [pid 313] umount2("./133/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 965] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] close(3 [pid 965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... close resumed>) = 0 [pid 965] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] rmdir("./133" [pid 965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... rmdir resumed>) = 0 [pid 965] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./134", 0777 [pid 311] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 965] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] newfstatat(AT_FDCWD, "./133/cgroup.cpu" [pid 312] <... mkdir resumed>) = 0 [pid 965] <... symlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = 0 [pid 965] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] unlink("./133/cgroup.cpu" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 965] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 965] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] umount2("./133/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 966 attached [pid 965] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 136 [pid 311] newfstatat(AT_FDCWD, "./128/config" [pid 966] set_robust_list(0x55555bb49760, 24 [pid 965] close(3 [pid 313] newfstatat(AT_FDCWD, "./133/cgroup" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 966] <... set_robust_list resumed>) = 0 [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 965] close(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 966] rt_sigprocmask(SIG_SETMASK, [] [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./133/cgroup" [pid 311] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 966] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 965] close(5) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 965] close(6 [pid 966] chdir("./134" [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 965] close(7 [pid 966] <... chdir resumed>) = 0 [pid 313] getdents64(3 [pid 311] openat(AT_FDCWD, "./128/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 966] <... prctl resumed>) = 0 [pid 965] close(8 [pid 313] close(3 [pid 311] <... openat resumed>) = 4 [pid 966] setpgid(0, 0 [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 966] <... setpgid resumed>) = 0 [pid 965] close(9 [pid 313] rmdir("./133" [pid 311] fstat(4 [pid 966] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 965] close(10 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 966] <... symlink resumed>) = 0 [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./134", 0777 [pid 966] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 965] close(11 [pid 311] getdents64(4 [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 965] close(12 [pid 313] <... mkdir resumed>) = 0 [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 966] <... symlink resumed>) = 0 [pid 965] close(13 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 966] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 966] <... symlink resumed>) = 0 [pid 965] close(14 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 965] close(15) = -1 EBADF (Bad file descriptor) [pid 965] close(16) = -1 EBADF (Bad file descriptor) [pid 965] close(17) = -1 EBADF (Bad file descriptor) [pid 965] close(18) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 967 attached [pid 965] close(19 [pid 311] close(4 [pid 967] set_robust_list(0x55555bb49760, 24 [pid 966] <... openat resumed>) = 3 [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 136 [pid 311] <... close resumed>) = 0 [pid 967] <... set_robust_list resumed>) = 0 [pid 966] write(3, "1000", 4 [pid 965] close(20 [pid 310] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 967] rt_sigprocmask(SIG_SETMASK, [] [pid 966] <... write resumed>) = 4 [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rmdir("./128/config" [pid 967] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 966] close(3 [pid 965] close(21 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 967] chdir("./134" [pid 966] <... close resumed>) = 0 [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 967] <... chdir resumed>) = 0 [pid 965] close(22 [pid 967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 966] symlink("/dev/binderfs", "./binderfs" [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 967] <... prctl resumed>) = 0 [pid 965] close(23 [pid 311] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 967] setpgid(0, 0 [pid 966] <... symlink resumed>) = 0 [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 967] <... setpgid resumed>) = 0 [pid 966] write(1, "executing program\n", 18 [pid 965] close(24 [pid 311] newfstatat(AT_FDCWD, "./128/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 executing program [pid 967] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 966] <... write resumed>) = 18 [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 967] <... symlink resumed>) = 0 [pid 965] close(25 [pid 310] getdents64(3 [pid 967] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 967] <... symlink resumed>) = 0 [pid 965] close(26 [pid 967] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 967] <... symlink resumed>) = 0 [pid 966] mkdirat(AT_FDCWD, "./config", 0777 [pid 965] close(27 [pid 311] unlink("./128/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 966] <... mkdirat resumed>) = 0 [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 967] <... openat resumed>) = 3 [pid 966] mount(NULL, "./config", "configfs", 0, NULL [pid 965] close(28 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./126/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 967] write(3, "1000", 4 [pid 966] <... mount resumed>) = 0 [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./128/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 967] <... write resumed>) = 4 [pid 966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 965] close(29 [pid 310] <... umount2 resumed>) = 0 [pid 967] close(3 [pid 965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 967] <... close resumed>) = 0 [pid 966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 965] exit_group(0 [pid 311] newfstatat(AT_FDCWD, "./128/cgroup.net" [pid 310] umount2("./126/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 967] symlink("/dev/binderfs", "./binderfs" [pid 966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 965] <... exit_group resumed>) = ? [pid 967] <... symlink resumed>) = 0 [pid 966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 965] +++ exited with 0 +++ [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 967] write(1, "executing program\n", 18 [pid 966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] unlink("./128/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./126/config" [pid 967] <... write resumed>) = 18 [pid 967] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 966] <... mkdirat resumed>) = 0 executing program [pid 967] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 966] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 967] <... mount resumed>) = 0 [pid 311] umount2("./128/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./126/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 966] <... symlinkat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 966] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 967] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] newfstatat(AT_FDCWD, "./128/cgroup.cpu" [pid 967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 966] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./126/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 967] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 966] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 967] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 4 [pid 967] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 966] <... unlinkat resumed>) = 0 [pid 311] unlink("./128/cgroup.cpu" [pid 310] fstat(4 [pid 967] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 966] close(3 [pid 967] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 967] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 966] close(4 [pid 311] umount2("./128/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 967] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 967] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] close(5 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 967] close(4 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./128/cgroup" [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 967] close(5 [pid 966] close(6 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./128/cgroup" [pid 310] close(4 [pid 967] close(6 [pid 966] close(7 [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 967] close(7 [pid 966] close(8 [pid 311] getdents64(3 [pid 310] rmdir("./126/config" [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 967] close(8 [pid 966] close(9 [pid 311] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 967] close(9 [pid 311] <... close resumed>) = 0 [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] close(10 [pid 311] rmdir("./128" [pid 310] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 967] close(10 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 967] close(11) = -1 EBADF (Bad file descriptor) [pid 966] close(11 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 967] close(12 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] mkdir("./129", 0777 [pid 310] newfstatat(AT_FDCWD, "./126/binderfs" [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] close(12 [pid 967] close(13 [pid 311] <... mkdir resumed>) = 0 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] close(13 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] unlink("./126/binderfs" [pid 967] close(14) = -1 EBADF (Bad file descriptor) [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 967] close(15 [pid 966] close(14 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 967] close(16) = -1 EBADF (Bad file descriptor) [pid 967] close(17) = -1 EBADF (Bad file descriptor) [pid 967] close(18) = -1 EBADF (Bad file descriptor) [pid 967] close(19) = -1 EBADF (Bad file descriptor) [pid 967] close(20) = -1 EBADF (Bad file descriptor) [pid 967] close(21) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 968 attached [pid 967] close(22 [pid 966] close(15 [pid 310] umount2("./126/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 968] set_robust_list(0x55555bb49760, 24 [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 131 [pid 968] <... set_robust_list resumed>) = 0 [pid 967] close(23 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 968] rt_sigprocmask(SIG_SETMASK, [] [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] close(16 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./126/cgroup.net" [pid 968] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 967] close(24 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 968] chdir("./129" [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] close(17 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 968] <... chdir resumed>) = 0 [pid 967] close(25 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] close(18 [pid 310] unlink("./126/cgroup.net" [pid 309] <... restart_syscall resumed>) = 0 [pid 968] <... prctl resumed>) = 0 [pid 967] close(26 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 968] setpgid(0, 0 [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] close(19 [pid 310] <... unlink resumed>) = 0 [pid 968] <... setpgid resumed>) = 0 [pid 967] close(27 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./126/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 968] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] close(20 [pid 968] <... symlink resumed>) = 0 [pid 967] close(28 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 968] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 966] close(21 [pid 310] newfstatat(AT_FDCWD, "./126/cgroup.cpu" [pid 968] <... symlink resumed>) = 0 [pid 967] close(29 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 968] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 968] <... symlink resumed>) = 0 [pid 967] exit_group(0 [pid 968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 967] <... exit_group resumed>) = ? [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 968] <... openat resumed>) = 3 [pid 967] +++ exited with 0 +++ [pid 966] close(22 [pid 310] unlink("./126/cgroup.cpu" [pid 968] write(3, "1000", 4 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 968] <... write resumed>) = 4 [pid 966] close(23 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 968] close(3 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./126/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 968] <... close resumed>) = 0 [pid 966] close(24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 968] symlink("/dev/binderfs", "./binderfs" [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 968] <... symlink resumed>) = 0 [pid 966] close(25 [pid 310] newfstatat(AT_FDCWD, "./126/cgroup" [pid 968] write(1, "executing program\n", 18 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 968] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 968] mkdirat(AT_FDCWD, "./config", 0777 [pid 966] close(26 [pid 310] unlink("./126/cgroup" [pid 309] umount2("./126/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 968] <... mkdirat resumed>) = 0 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 968] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 966] close(27 [pid 310] <... unlink resumed>) = 0 [pid 968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 968] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 966] close(28 [pid 310] getdents64(3 [pid 968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./126/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 968] <... mkdirat resumed>) = 0 [pid 966] close(29 [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./126/config" [pid 968] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./126" [pid 968] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 968] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 966] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 968] <... unlinkat resumed>) = 0 [pid 966] <... exit_group resumed>) = ? [pid 309] umount2("./126/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 968] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] mkdir("./127", 0777 [pid 968] <... unlinkat resumed>) = 0 [pid 968] close(3) = -1 EBADF (Bad file descriptor) [pid 968] close(4) = -1 EBADF (Bad file descriptor) [pid 968] close(5) = -1 EBADF (Bad file descriptor) [pid 968] close(6 [pid 966] +++ exited with 0 +++ [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 968] close(7 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./126/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 968] close(8 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 4 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 968] close(9 [pid 312] <... openat resumed>) = 3 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 968] close(10 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 969 attached [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 309] fstat(4 [pid 969] set_robust_list(0x55555bb49760, 24 [pid 968] close(11 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 129 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 969] <... set_robust_list resumed>) = 0 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 969] rt_sigprocmask(SIG_SETMASK, [] [pid 968] close(12 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 969] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 969] chdir("./127" [pid 968] close(13 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 969] <... chdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./134/config" [pid 969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 969] <... prctl resumed>) = 0 [pid 968] close(14 [pid 312] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 969] setpgid(0, 0 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 969] <... setpgid resumed>) = 0 [pid 968] close(15 [pid 312] openat(AT_FDCWD, "./134/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 969] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 969] <... symlink resumed>) = 0 [pid 968] close(16 [pid 312] fstat(4 [pid 309] rmdir("./126/config" [pid 969] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 969] <... symlink resumed>) = 0 [pid 968] close(17 [pid 312] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 969] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 969] <... symlink resumed>) = 0 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] getdents64(4 [pid 309] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 968] close(18 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 969] <... openat resumed>) = 3 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 969] write(3, "1000", 4 [pid 968] close(19 [pid 312] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./126/binderfs" [pid 969] <... write resumed>) = 4 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./134/config" [pid 969] close(3 [pid 968] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 969] <... close resumed>) = 0 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 969] symlink("/dev/binderfs", "./binderfs" [pid 968] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./126/binderfs" [pid 969] <... symlink resumed>) = 0 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] newfstatat(AT_FDCWD, "./134/binderfs" [pid 969] write(1, "executing program\n", 18 [pid 968] close(22 executing program [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 969] <... write resumed>) = 18 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 312] unlink("./134/binderfs" [pid 309] umount2("./126/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 969] mkdirat(AT_FDCWD, "./config", 0777 [pid 968] close(23 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... unlink resumed>) = 0 [pid 969] <... mkdirat resumed>) = 0 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] umount2("./134/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 969] mount(NULL, "./config", "configfs", 0, NULL [pid 968] close(24 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./126/cgroup.net" [pid 969] <... mount resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./134/cgroup.net" [pid 969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 969] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./134/cgroup.net" [pid 969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 968] close(25 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 969] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./134/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./126/cgroup.net" [pid 969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 968] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 969] <... mkdirat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./134/cgroup.cpu" [pid 309] <... unlink resumed>) = 0 [pid 969] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./134/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./126/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 969] <... symlinkat resumed>) = 0 [pid 312] unlink("./134/cgroup.cpu" [pid 969] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 968] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 969] <... unlinkat resumed>) = 0 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./134/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 969] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 968] close(28 [pid 313] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./126/cgroup.cpu" [pid 969] <... unlinkat resumed>) = 0 [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./134/cgroup" [pid 969] close(3 [pid 968] close(29 [pid 313] openat(AT_FDCWD, "./134/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] unlink("./134/cgroup" [pid 309] unlink("./126/cgroup.cpu" [pid 969] close(4 [pid 968] exit_group(0 [pid 313] fstat(4 [pid 312] <... unlink resumed>) = 0 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 968] <... exit_group resumed>) = ? [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 969] close(5 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 969] close(6 [pid 312] <... close resumed>) = 0 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./134" [pid 969] close(7 [pid 312] <... rmdir resumed>) = 0 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 968] +++ exited with 0 +++ [pid 312] mkdir("./135", 0777 [pid 969] close(8 [pid 313] getdents64(4 [pid 312] <... mkdir resumed>) = 0 [pid 309] umount2("./126/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 969] close(9 [pid 313] getdents64(4 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 970 attached [pid 969] close(10 [pid 313] close(4 [pid 309] newfstatat(AT_FDCWD, "./126/cgroup" [pid 970] set_robust_list(0x55555bb49760, 24 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 137 [pid 970] <... set_robust_list resumed>) = 0 [pid 969] close(11 [pid 313] rmdir("./134/config" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 970] rt_sigprocmask(SIG_SETMASK, [] [pid 969] close(12 [pid 970] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] unlink("./126/cgroup" [pid 970] chdir("./135" [pid 969] close(13 [pid 313] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 969] close(14 [pid 309] <... unlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 970] <... chdir resumed>) = 0 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./134/binderfs" [pid 309] getdents64(3 [pid 970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 969] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 970] <... prctl resumed>) = 0 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 970] setpgid(0, 0 [pid 969] close(16 [pid 313] unlink("./134/binderfs" [pid 309] close(3 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] <... setpgid resumed>) = 0 [pid 969] close(17) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 970] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 969] close(18 [pid 309] <... close resumed>) = 0 [pid 313] umount2("./134/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] <... symlink resumed>) = 0 [pid 969] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./126" [pid 970] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./134/cgroup.net" [pid 969] close(20 [pid 309] <... rmdir resumed>) = 0 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 969] close(21 [pid 970] <... symlink resumed>) = 0 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./134/cgroup.net" [pid 969] close(22) = -1 EBADF (Bad file descriptor) [pid 969] close(23 [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./127", 0777 [pid 970] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./134/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 970] <... symlink resumed>) = 0 [pid 969] close(24 [pid 309] <... mkdir resumed>) = 0 [pid 970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 970] <... openat resumed>) = 3 [pid 969] close(25 [pid 313] newfstatat(AT_FDCWD, "./134/cgroup.cpu" [pid 970] write(3, "1000", 4 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 970] <... write resumed>) = 4 [pid 969] close(26 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 970] close(3 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./134/cgroup.cpu" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 970] <... close resumed>) = 0 [pid 969] close(27 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 969] close(28) = -1 EBADF (Bad file descriptor) [pid 969] close(29) = -1 EBADF (Bad file descriptor) [pid 969] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 971 attached [pid 970] symlink("/dev/binderfs", "./binderfs" [pid 969] <... exit_group resumed>) = ? [pid 313] umount2("./134/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 971] set_robust_list(0x55555bb49760, 24 [pid 970] <... symlink resumed>) = 0 [pid 969] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 971] <... set_robust_list resumed>) = 0 [pid 970] write(1, "executing program\n", 18 [pid 313] newfstatat(AT_FDCWD, "./134/cgroup" [pid 311] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 129 [pid 971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 970] <... write resumed>) = 18 executing program [pid 971] chdir("./127" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 971] <... chdir resumed>) = 0 [pid 970] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] unlink("./134/cgroup" [pid 311] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 970] <... mkdirat resumed>) = 0 [pid 971] <... prctl resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 970] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 971] setpgid(0, 0 [pid 313] getdents64(3 [pid 971] <... setpgid resumed>) = 0 [pid 970] <... mount resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./129/config" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 971] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 970] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 971] <... symlink resumed>) = 0 [pid 970] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 971] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 313] <... close resumed>) = 0 [pid 970] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 971] <... symlink resumed>) = 0 [pid 970] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rmdir("./134" [pid 971] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 970] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 971] write(3, "1000", 4 [pid 970] <... mkdirat resumed>) = 0 [pid 313] mkdir("./135", 0777 [pid 311] openat(AT_FDCWD, "./129/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 971] <... write resumed>) = 4 [pid 970] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 971] close(3 [pid 313] <... mkdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 971] <... close resumed>) = 0 [pid 971] symlink("/dev/binderfs", "./binderfs") = 0 [pid 970] <... symlinkat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] fstat(4 [pid 971] write(1, "executing program\n", 18 [pid 970] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 971] <... write resumed>) = 18 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 executing program [pid 971] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 970] <... unlinkat resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] getdents64(4 [pid 971] mount(NULL, "./config", "configfs", 0, NULL [pid 970] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 971] <... mount resumed>) = 0 [pid 971] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 971] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 971] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 972 attached ) = 0 [pid 970] <... unlinkat resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 972] set_robust_list(0x55555bb49760, 24 [pid 971] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 970] close(3 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 137 [pid 311] getdents64(4 [pid 972] <... set_robust_list resumed>) = 0 [pid 971] <... symlinkat resumed>) = 0 [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 972] rt_sigprocmask(SIG_SETMASK, [] [pid 971] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 970] close(4 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 972] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 971] <... unlinkat resumed>) = 0 [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] close(4 [pid 972] chdir("./135" [pid 971] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 970] close(5 [pid 972] <... chdir resumed>) = 0 [pid 971] <... unlinkat resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 971] close(3 [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 972] <... prctl resumed>) = 0 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] close(6 [pid 311] rmdir("./129/config" [pid 310] <... restart_syscall resumed>) = 0 [pid 972] setpgid(0, 0 [pid 971] close(4 [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 972] <... setpgid resumed>) = 0 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] close(7 [pid 311] <... rmdir resumed>) = 0 [pid 972] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 971] close(5 [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 972] <... symlink resumed>) = 0 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] close(8 [pid 972] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 971] close(6 [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 972] <... symlink resumed>) = 0 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 972] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 971] close(7 [pid 970] close(9 [pid 311] newfstatat(AT_FDCWD, "./129/binderfs" [pid 972] <... symlink resumed>) = 0 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 971] close(8 [pid 972] <... openat resumed>) = 3 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] close(10 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 972] write(3, "1000", 4 [pid 971] close(9 [pid 972] <... write resumed>) = 4 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./129/binderfs" [pid 310] <... openat resumed>) = 3 [pid 972] close(3 [pid 971] close(10 [pid 970] close(11 [pid 972] <... close resumed>) = 0 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 972] symlink("/dev/binderfs", "./binderfs" [pid 971] close(11 [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./129/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 972] <... symlink resumed>) = 0 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 972] write(1, "executing program\n", 18 [pid 971] close(12 [pid 970] close(12 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 972] <... write resumed>) = 18 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./129/cgroup.net" [pid 972] mkdirat(AT_FDCWD, "./config", 0777 [pid 971] close(13 [pid 970] close(13 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 972] <... mkdirat resumed>) = 0 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 972] mount(NULL, "./config", "configfs", 0, NULL [pid 971] close(14 [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./129/cgroup.net" [pid 310] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 972] <... mount resumed>) = 0 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] close(14 [pid 972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 971] close(15 [pid 311] <... unlink resumed>) = 0 [pid 972] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./129/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 971] close(16 [pid 970] close(15 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 972] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./129/cgroup.cpu" [pid 972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 971] close(17 [pid 970] close(16 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 972] <... mkdirat resumed>) = 0 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./127/config" [pid 972] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 971] close(18 [pid 970] close(17 [pid 311] unlink("./129/cgroup.cpu" [pid 972] <... symlinkat resumed>) = 0 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 972] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 971] close(19 [pid 972] <... unlinkat resumed>) = 0 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] close(18 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 972] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 971] close(20 [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./129/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 972] <... unlinkat resumed>) = 0 [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] close(19 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 972] close(3 [pid 971] close(21 [pid 310] openat(AT_FDCWD, "./127/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./129/cgroup" [pid 972] close(4 [pid 971] close(22 [pid 970] close(20 [pid 310] <... openat resumed>) = 4 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 972] close(5 [pid 971] close(23 [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./129/cgroup" [pid 310] fstat(4 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] close(21 [pid 972] close(6 [pid 971] close(24 [pid 311] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 310] getdents64(4 [pid 972] close(7 [pid 971] close(25 [pid 970] close(22 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 310] getdents64(4 [pid 972] close(8 [pid 971] close(26 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] close(23 [pid 311] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 972] close(9 [pid 971] close(27 [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./129" [pid 310] close(4 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] close(24 [pid 972] close(10 [pid 971] close(28 [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] close(25 [pid 311] mkdir("./130", 0777 [pid 972] close(11 [pid 971] close(29 [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./127/config" [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 972] close(12 [pid 971] exit_group(0 [pid 970] close(26 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 971] <... exit_group resumed>) = ? [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 972] close(13 [pid 971] +++ exited with 0 +++ [pid 970] close(27 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 972] close(14 [pid 970] close(28 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 972] close(15) = -1 EBADF (Bad file descriptor) [pid 972] close(16) = -1 EBADF (Bad file descriptor) [pid 972] close(17) = -1 EBADF (Bad file descriptor) [pid 972] close(18ci2-android-5-15/strace-static-x86_64: Process 973 attached ) = -1 EBADF (Bad file descriptor) [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./127/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 973] set_robust_list(0x55555bb49760, 24 [pid 972] close(19 [pid 970] close(29 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 132 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 973] <... set_robust_list resumed>) = 0 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 973] rt_sigprocmask(SIG_SETMASK, [] [pid 972] close(20 [pid 973] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] exit_group(0 [pid 310] unlink("./127/binderfs" [pid 973] chdir("./130" [pid 972] close(21 [pid 970] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 973] <... chdir resumed>) = 0 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 972] close(22 [pid 973] <... prctl resumed>) = 0 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 973] setpgid(0, 0 [pid 972] close(23 [pid 973] <... setpgid resumed>) = 0 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 973] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 972] close(24 [pid 973] <... symlink resumed>) = 0 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 970] +++ exited with 0 +++ [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./127/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 973] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 972] close(25 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 973] <... symlink resumed>) = 0 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 973] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 972] close(26 [pid 973] <... symlink resumed>) = 0 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./127/cgroup.net" [pid 973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 972] close(27 [pid 973] <... openat resumed>) = 3 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 973] write(3, "1000", 4 [pid 972] close(28 [pid 973] <... write resumed>) = 4 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./127/cgroup.net" [pid 973] close(3 [pid 972] close(29 [pid 973] <... close resumed>) = 0 [pid 972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 973] symlink("/dev/binderfs", "./binderfs" [pid 972] exit_group(0 [pid 973] <... symlink resumed>) = 0 [pid 972] <... exit_group resumed>) = ? [pid 310] umount2("./127/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 973] write(1, "executing program\n", 18 [pid 972] +++ exited with 0 +++ [pid 973] <... write resumed>) = 18 executing program [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 973] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] newfstatat(AT_FDCWD, "./127/cgroup.cpu" [pid 973] <... mkdirat resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 973] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 973] <... mount resumed>) = 0 [pid 973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] unlink("./127/cgroup.cpu" [pid 973] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] umount2("./127/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 973] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 973] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] newfstatat(AT_FDCWD, "./127/cgroup" [pid 973] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 973] close(3 [pid 310] unlink("./127/cgroup" [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 973] close(4 [pid 310] <... unlink resumed>) = 0 [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 973] close(5 [pid 310] getdents64(3 [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 973] close(6 [pid 309] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 973] close(7 [pid 310] <... close resumed>) = 0 [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./127" [pid 309] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 973] close(8) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 973] close(9 [pid 309] <... openat resumed>) = 3 [pid 310] mkdir("./128", 0777 [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(3 [pid 973] close(10) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 973] close(11 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(3 [pid 973] close(12 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 ci2-android-5-15/strace-static-x86_64: Process 974 attached [pid 973] close(13 [pid 309] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 974] set_robust_list(0x55555bb49760, 24 [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 130 [pid 974] <... set_robust_list resumed>) = 0 [pid 973] close(14 [pid 974] rt_sigprocmask(SIG_SETMASK, [] [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = 0 [pid 974] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 973] close(15 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 974] chdir("./128" [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 974] <... chdir resumed>) = 0 [pid 973] close(16 [pid 974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 974] <... prctl resumed>) = 0 [pid 973] close(17 [pid 309] newfstatat(AT_FDCWD, "./127/config" [pid 974] setpgid(0, 0 [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 974] <... setpgid resumed>) = 0 [pid 973] close(18 [pid 974] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 974] <... symlink resumed>) = 0 [pid 973] close(19 [pid 974] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./127/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 974] <... symlink resumed>) = 0 [pid 973] close(20 [pid 974] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 974] <... symlink resumed>) = 0 [pid 973] close(21 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] openat(AT_FDCWD, "./127/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 974] <... openat resumed>) = 3 [pid 973] close(22 [pid 309] <... openat resumed>) = 4 [pid 974] write(3, "1000", 4 [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(4 [pid 974] <... write resumed>) = 4 [pid 973] close(23 [pid 313] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 974] close(3 [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 974] <... close resumed>) = 0 [pid 973] close(24 [pid 313] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 974] symlink("/dev/binderfs", "./binderfs" [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 974] <... symlink resumed>) = 0 [pid 973] close(25 [pid 313] <... openat resumed>) = 3 [pid 312] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 974] write(1, "executing program\n", 18 [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] fstat(3 [pid 974] <... write resumed>) = 18 [pid 973] close(26 [pid 312] fstat(3 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 974] mkdirat(AT_FDCWD, "./config", 0777 [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 974] <... mkdirat resumed>) = 0 [pid 973] close(27 [pid 309] close(4 [pid 974] mount(NULL, "./config", "configfs", 0, NULL [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] getdents64(3 [pid 974] <... mount resumed>) = 0 [pid 973] close(28 [pid 313] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 974] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 974] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 973] close(29 [pid 313] <... umount2 resumed>) = 0 [pid 312] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./127/config" [pid 974] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 974] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 973] exit_group(0 [pid 312] <... umount2 resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 974] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 973] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 974] <... mkdirat resumed>) = 0 [pid 973] +++ exited with 0 +++ [pid 313] newfstatat(AT_FDCWD, "./135/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 974] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./135/config" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./127/binderfs" [pid 974] <... symlinkat resumed>) = 0 [pid 313] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 974] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 974] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 974] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] openat(AT_FDCWD, "./135/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./127/binderfs" [pid 974] <... unlinkat resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 974] close(3) = -1 EBADF (Bad file descriptor) [pid 974] close(4) = -1 EBADF (Bad file descriptor) [pid 974] close(5 [pid 312] openat(AT_FDCWD, "./135/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 974] close(6 [pid 312] <... openat resumed>) = 4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] umount2("./127/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] fstat(4 [pid 974] close(7 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./127/cgroup.net" [pid 974] close(8 [pid 313] getdents64(4 [pid 312] getdents64(4 [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 974] close(9 [pid 313] close(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./127/cgroup.net" [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] getdents64(4 [pid 974] close(10 [pid 313] rmdir("./135/config" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 974] close(11 [pid 313] <... rmdir resumed>) = 0 [pid 312] close(4 [pid 309] umount2("./127/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 974] close(12 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./135/config" [pid 974] close(13 [pid 313] newfstatat(AT_FDCWD, "./135/binderfs" [pid 309] newfstatat(AT_FDCWD, "./127/cgroup.cpu" [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 974] close(14 [pid 313] unlink("./135/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 974] close(15) = -1 EBADF (Bad file descriptor) [pid 974] close(16 [pid 313] <... unlink resumed>) = 0 [pid 309] unlink("./127/cgroup.cpu" [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./135/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 974] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./135/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./135/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./127/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 974] close(18) = -1 EBADF (Bad file descriptor) [pid 974] close(19 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./135/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./135/cgroup.net" [pid 974] close(20 [pid 312] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./127/cgroup" [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./135/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 974] close(21 [pid 313] umount2("./135/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./127/cgroup" [pid 974] close(22 [pid 313] newfstatat(AT_FDCWD, "./135/cgroup.cpu" [pid 312] newfstatat(AT_FDCWD, "./135/cgroup.net" [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 974] close(23 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./135/cgroup.cpu" [pid 312] unlink("./135/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 974] close(24) = -1 EBADF (Bad file descriptor) [pid 974] close(25) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] close(3 [pid 313] <... unlink resumed>) = 0 [pid 974] close(26 [pid 312] umount2("./135/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 313] umount2("./135/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./127" [pid 974] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./135/cgroup.cpu" [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./135/cgroup" [pid 309] <... rmdir resumed>) = 0 [pid 974] close(28 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./128", 0777 [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./135/cgroup" [pid 312] unlink("./135/cgroup.cpu" [pid 974] close(29 [pid 309] <... mkdir resumed>) = 0 [pid 974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 974] exit_group(0 [pid 313] getdents64(3 [pid 312] umount2("./135/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 974] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 974] +++ exited with 0 +++ [pid 313] close(3 [pid 312] newfstatat(AT_FDCWD, "./135/cgroup" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] <... close resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] rmdir("./135"ci2-android-5-15/strace-static-x86_64: Process 975 attached ) = 0 [pid 312] unlink("./135/cgroup" [pid 311] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 975] set_robust_list(0x55555bb49760, 24 [pid 313] mkdir("./136", 0777 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 975] <... set_robust_list resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 312] getdents64(3 [pid 311] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 130 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 975] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 976 attached [pid 975] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] close(3 [pid 311] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 976] set_robust_list(0x55555bb49760, 24 [pid 975] chdir("./128" [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 138 [pid 312] <... close resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 976] <... set_robust_list resumed>) = 0 [pid 975] <... chdir resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rmdir("./135" [pid 311] getdents64(3 [pid 976] rt_sigprocmask(SIG_SETMASK, [] [pid 975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 976] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 975] <... prctl resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] fstat(3 [pid 976] chdir("./136" [pid 975] setpgid(0, 0 [pid 312] mkdir("./136", 0777 [pid 311] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 976] <... chdir resumed>) = 0 [pid 975] <... setpgid resumed>) = 0 [pid 976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... mkdir resumed>) = 0 [pid 976] <... prctl resumed>) = 0 [pid 310] getdents64(3 [pid 976] setpgid(0, 0 [pid 975] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = 0 [pid 976] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 976] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 975] <... symlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 976] <... symlink resumed>) = 0 [pid 975] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 976] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 976] <... symlink resumed>) = 0 [pid 975] <... symlink resumed>) = 0 [pid 976] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 977 attached ) = 3 [pid 975] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./130/config" [pid 310] <... umount2 resumed>) = 0 [pid 977] set_robust_list(0x55555bb49760, 24 [pid 976] write(3, "1000", 4 [pid 977] <... set_robust_list resumed>) = 0 [pid 976] <... write resumed>) = 4 [pid 977] rt_sigprocmask(SIG_SETMASK, [] [pid 976] close(3 [pid 975] <... symlink resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 138 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 977] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 976] <... close resumed>) = 0 [pid 975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 977] chdir("./136" [pid 976] symlink("/dev/binderfs", "./binderfs" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 977] <... chdir resumed>) = 0 [pid 976] <... symlink resumed>) = 0 [pid 975] <... openat resumed>) = 3 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./128/config" [pid 977] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 976] write(1, "executing program\n", 18 [pid 975] write(3, "1000", 4 [pid 311] openat(AT_FDCWD, "./130/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 977] <... prctl resumed>) = 0 [pid 976] <... write resumed>) = 18 [pid 975] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 977] setpgid(0, 0 [pid 976] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... openat resumed>) = 4 [pid 977] <... setpgid resumed>) = 0 [pid 976] <... mkdirat resumed>) = 0 [pid 975] close(3 [pid 311] fstat(4 [pid 310] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 977] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 976] mount(NULL, "./config", "configfs", 0, NULL [pid 977] <... symlink resumed>) = 0 [pid 976] <... mount resumed>) = 0 [pid 975] <... close resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 977] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 977] <... symlink resumed>) = 0 [pid 976] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 975] symlink("/dev/binderfs", "./binderfs" [pid 311] getdents64(4 [pid 310] openat(AT_FDCWD, "./128/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 977] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 977] <... symlink resumed>) = 0 [pid 976] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 975] <... symlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... openat resumed>) = 4 [pid 977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 975] write(1, "executing program\n", 18 [pid 311] getdents64(4 [pid 310] fstat(4 [pid 977] <... openat resumed>) = 3 [pid 976] <... mkdirat resumed>) = 0 executing program [pid 975] <... write resumed>) = 18 [pid 977] write(3, "1000", 4 [pid 976] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 977] <... write resumed>) = 4 [pid 976] <... symlinkat resumed>) = 0 [pid 975] mkdirat(AT_FDCWD, "./config", 0777 [pid 977] close(3 [pid 976] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 977] <... close resumed>) = 0 [pid 976] <... unlinkat resumed>) = 0 [pid 977] symlink("/dev/binderfs", "./binderfs" [pid 976] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 975] <... mkdirat resumed>) = 0 [pid 311] close(4 [pid 310] getdents64(4 [pid 977] <... symlink resumed>) = 0 [pid 976] <... unlinkat resumed>) = 0 [pid 975] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 977] write(1, "executing program\n", 18 [pid 976] close(3 [pid 975] <... mount resumed>) = 0 executing program [pid 311] rmdir("./130/config" [pid 310] getdents64(4 [pid 977] <... write resumed>) = 18 [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 977] mkdirat(AT_FDCWD, "./config", 0777 [pid 976] close(4 [pid 975] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 977] <... mkdirat resumed>) = 0 [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 977] mount(NULL, "./config", "configfs", 0, NULL [pid 976] close(5 [pid 975] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] newfstatat(AT_FDCWD, "./130/binderfs" [pid 310] rmdir("./128/config" [pid 977] <... mount resumed>) = 0 [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 976] close(6 [pid 975] <... mkdirat resumed>) = 0 [pid 977] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./130/binderfs" [pid 310] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 976] close(7 [pid 975] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 977] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 976] close(8 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 975] <... symlinkat resumed>) = 0 [pid 977] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./130/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./128/binderfs" [pid 977] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 976] close(9 [pid 975] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 977] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 977] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 976] close(10 [pid 975] <... unlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./130/cgroup.net" [pid 310] unlink("./128/binderfs" [pid 977] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 977] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 976] close(11 [pid 310] <... unlink resumed>) = 0 [pid 977] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] <... unlinkat resumed>) = 0 [pid 311] unlink("./130/cgroup.net" [pid 310] umount2("./128/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 977] close(3 [pid 976] close(12 [pid 975] close(3 [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 977] close(4 [pid 976] close(13 [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./130/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./128/cgroup.net" [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 977] close(5 [pid 976] close(14 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./130/cgroup.cpu" [pid 977] close(6 [pid 976] close(15 [pid 975] close(5 [pid 310] unlink("./128/cgroup.net" [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 977] close(7 [pid 976] close(16 [pid 975] close(6 [pid 311] unlink("./130/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 977] close(8 [pid 976] close(17 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./128/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] close(7 [pid 311] umount2("./130/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 977] close(9 [pid 976] close(18 [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 977] close(10 [pid 976] close(19 [pid 975] close(8 [pid 311] newfstatat(AT_FDCWD, "./130/cgroup" [pid 310] newfstatat(AT_FDCWD, "./128/cgroup.cpu" [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 977] close(11 [pid 976] close(20 [pid 975] close(9 [pid 311] unlink("./130/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 977] close(12 [pid 976] close(21 [pid 975] close(10 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./128/cgroup.cpu" [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 977] close(13 [pid 976] close(22 [pid 975] close(11 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 977] close(14 [pid 976] close(23 [pid 310] umount2("./128/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] close(12 [pid 311] <... close resumed>) = 0 [pid 977] close(15 [pid 976] close(24 [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./130" [pid 977] close(16 [pid 976] close(25 [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] close(13 [pid 310] newfstatat(AT_FDCWD, "./128/cgroup" [pid 977] close(17 [pid 976] close(26 [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] close(14 [pid 311] mkdir("./131", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 977] close(18 [pid 976] close(27 [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 977] close(19 [pid 976] close(28 [pid 975] close(15 [pid 311] <... mkdir resumed>) = 0 [pid 310] unlink("./128/cgroup" [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 977] close(20 [pid 976] close(29 [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] close(16 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 977] close(21 [pid 976] exit_group(0 [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 976] <... exit_group resumed>) = ? [pid 975] close(17 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 977] close(22 [pid 976] +++ exited with 0 +++ [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 978 attached [pid 977] close(23 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 975] close(18 [pid 978] set_robust_list(0x55555bb49760, 24 [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 133 [pid 310] close(3 [pid 978] <... set_robust_list resumed>) = 0 [pid 977] close(24 [pid 975] close(19 [pid 978] rt_sigprocmask(SIG_SETMASK, [] [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 978] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 977] close(25 [pid 978] chdir("./131" [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] close(20 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./128" [pid 978] <... chdir resumed>) = 0 [pid 977] close(26 [pid 978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] <... prctl resumed>) = 0 [pid 977] close(27 [pid 975] close(21 [pid 310] <... rmdir resumed>) = 0 [pid 978] setpgid(0, 0 [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./129", 0777 [pid 978] <... setpgid resumed>) = 0 [pid 977] close(28 [pid 978] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 975] close(22 [pid 310] <... mkdir resumed>) = 0 [pid 978] <... symlink resumed>) = 0 [pid 977] close(29 [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] <... symlink resumed>) = 0 [pid 977] exit_group(0 [pid 975] close(23 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 978] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 977] <... exit_group resumed>) = ? [pid 978] <... symlink resumed>) = 0 [pid 977] +++ exited with 0 +++ [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 975] close(24 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 978] <... openat resumed>) = 3 [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 978] write(3, "1000", 4) = 4 [pid 313] <... restart_syscall resumed>) = 0 [pid 978] close(3) = 0 ci2-android-5-15/strace-static-x86_64: Process 979 attached [pid 978] symlink("/dev/binderfs", "./binderfs" [pid 975] close(25 [pid 313] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 979] set_robust_list(0x55555bb49760, 24 [pid 978] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 979] <... set_robust_list resumed>) = 0 [pid 978] write(1, "executing program\n", 18 [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 131 [pid 979] rt_sigprocmask(SIG_SETMASK, [] [pid 978] <... write resumed>) = 18 executing program [pid 313] <... openat resumed>) = 3 [pid 979] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 978] mkdirat(AT_FDCWD, "./config", 0777 [pid 975] close(26 [pid 313] fstat(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 979] chdir("./129" [pid 978] <... mkdirat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 979] <... chdir resumed>) = 0 [pid 978] mount(NULL, "./config", "configfs", 0, NULL [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 978] <... mount resumed>) = 0 [pid 975] close(27 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 979] <... prctl resumed>) = 0 [pid 978] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] setpgid(0, 0 [pid 978] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 975] close(28 [pid 979] <... setpgid resumed>) = 0 [pid 978] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... umount2 resumed>) = 0 [pid 979] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 978] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] <... symlink resumed>) = 0 [pid 978] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 975] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 979] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 978] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./136/config" [pid 312] <... restart_syscall resumed>) = 0 [pid 979] <... symlink resumed>) = 0 [pid 978] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 979] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 978] <... symlinkat resumed>) = 0 [pid 975] exit_group(0 [pid 313] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] <... symlink resumed>) = 0 [pid 978] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 975] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 978] <... unlinkat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./136/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 979] <... openat resumed>) = 3 [pid 978] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... openat resumed>) = 4 [pid 979] write(3, "1000", 4 [pid 978] <... unlinkat resumed>) = 0 [pid 975] +++ exited with 0 +++ [pid 313] fstat(4 [pid 979] <... write resumed>) = 4 [pid 978] close(3 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] close(3 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 979] <... close resumed>) = 0 [pid 978] close(4 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 979] symlink("/dev/binderfs", "./binderfs" [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 979] <... symlink resumed>) = 0 [pid 978] close(5 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 979] write(1, "executing program\n", 18 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] close(4 [pid 979] <... write resumed>) = 18 [pid 978] close(6 [pid 313] <... close resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 979] mkdirat(AT_FDCWD, "./config", 0777 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./136/config" [pid 312] fstat(3 [pid 979] <... mkdirat resumed>) = 0 [pid 978] close(7 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 979] mount(NULL, "./config", "configfs", 0, NULL [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] <... mount resumed>) = 0 [pid 978] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./136/binderfs" [pid 979] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 978] close(9 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./136/binderfs" [pid 312] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 978] close(10 [pid 313] <... unlink resumed>) = 0 [pid 979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./136/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] <... mkdirat resumed>) = 0 [pid 978] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = 0 [pid 979] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./136/cgroup.net" [pid 312] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] <... symlinkat resumed>) = 0 [pid 978] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 979] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./136/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 979] <... unlinkat resumed>) = 0 [pid 978] close(13 [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./136/config" [pid 979] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./136/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] <... unlinkat resumed>) = 0 [pid 978] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 979] close(3 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./136/cgroup.cpu" [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] close(4 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./136/cgroup.cpu" [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(16 [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 979] close(5 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./136/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./136/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 979] close(6 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./136/cgroup" [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... openat resumed>) = 4 [pid 979] close(7 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./136/cgroup" [pid 312] fstat(4 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(19 [pid 313] <... unlink resumed>) = 0 [pid 979] close(8 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(20 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 979] close(9 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 312] getdents64(4 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(21 [pid 313] <... close resumed>) = 0 [pid 979] close(10 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./136" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(22 [pid 313] <... rmdir resumed>) = 0 [pid 312] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 979] close(11 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./137", 0777 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(23 [pid 313] <... mkdir resumed>) = 0 [pid 312] close(4 [pid 979] close(12 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(24 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... close resumed>) = 0 [pid 979] close(13 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] rmdir("./136/config" [pid 309] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 980 attached [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(25 [pid 980] set_robust_list(0x55555bb49760, 24 [pid 979] close(14 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 139 [pid 312] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 980] <... set_robust_list resumed>) = 0 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(26 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 979] close(15 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 980] rt_sigprocmask(SIG_SETMASK, [] [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 980] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 979] close(16 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./136/binderfs" [pid 309] <... openat resumed>) = 3 [pid 980] chdir("./137" [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 980] <... chdir resumed>) = 0 [pid 979] close(17 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./136/binderfs" [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] close(29 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 979] close(18 [pid 978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 980] <... prctl resumed>) = 0 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] exit_group(0 [pid 312] umount2("./136/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 980] setpgid(0, 0 [pid 979] close(19 [pid 978] <... exit_group resumed>) = ? [pid 980] <... setpgid resumed>) = 0 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 978] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 980] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 979] close(20 [pid 312] newfstatat(AT_FDCWD, "./136/cgroup.net" [pid 309] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 980] <... symlink resumed>) = 0 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 979] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 980] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./136/cgroup.net" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = 0 [pid 980] <... symlink resumed>) = 0 [pid 979] close(22) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 980] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 979] close(23 [pid 309] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./136/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 980] <... symlink resumed>) = 0 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 979] close(24 [pid 980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 979] close(25 [pid 980] <... openat resumed>) = 3 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./136/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./128/config" [pid 980] write(3, "1000", 4 [pid 979] close(26 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 980] <... write resumed>) = 4 [pid 979] close(27 [pid 312] unlink("./136/cgroup.cpu" [pid 309] umount2("./128/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 980] close(3 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 979] close(28 [pid 312] <... unlink resumed>) = 0 [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 980] <... close resumed>) = 0 [pid 979] close(29 [pid 312] umount2("./136/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./128/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 980] symlink("/dev/binderfs", "./binderfs" [pid 979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 980] <... symlink resumed>) = 0 [pid 979] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./136/cgroup" [pid 309] <... openat resumed>) = 4 [pid 980] write(1, "executing program\n", 18 [pid 979] <... exit_group resumed>) = ? executing program [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 980] <... write resumed>) = 18 [pid 979] +++ exited with 0 +++ [pid 312] unlink("./136/cgroup" [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 980] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... unlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 980] <... mkdirat resumed>) = 0 [pid 980] mount(NULL, "./config", "configfs", 0, NULL [pid 312] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 980] <... mount resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 980] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] rmdir("./136" [pid 311] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 980] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rmdir resumed>) = 0 [pid 980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 312] mkdir("./137", 0777 [pid 980] <... mkdirat resumed>) = 0 [pid 309] rmdir("./128/config" [pid 980] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... mkdir resumed>) = 0 [pid 311] fstat(3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 980] <... symlinkat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(3 [pid 309] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 980] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 980] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 980] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-5-15/strace-static-x86_64: Process 981 attached ) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./128/binderfs" [pid 981] set_robust_list(0x55555bb49760, 24 [pid 980] close(3 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 139 [pid 311] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 981] <... set_robust_list resumed>) = 0 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 981] rt_sigprocmask(SIG_SETMASK, [] [pid 980] close(4 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./131/config" [pid 309] unlink("./128/binderfs" [pid 981] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 980] close(5 [pid 311] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 981] chdir("./137" [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./128/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 981] <... chdir resumed>) = 0 [pid 980] close(6 [pid 311] openat(AT_FDCWD, "./131/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 980] close(7 [pid 311] fstat(4 [pid 309] newfstatat(AT_FDCWD, "./128/cgroup.net" [pid 981] <... prctl resumed>) = 0 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 981] setpgid(0, 0 [pid 980] close(8 [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 981] <... setpgid resumed>) = 0 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./128/cgroup.net" [pid 981] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 980] close(9 [pid 311] getdents64(4 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 981] <... symlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 981] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 980] close(10 [pid 311] close(4 [pid 310] fstat(3 [pid 309] umount2("./128/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 981] <... symlink resumed>) = 0 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 980] close(11 [pid 311] rmdir("./131/config" [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 980] close(12 [pid 311] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 981] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 981] <... symlink resumed>) = 0 [pid 980] close(13 [pid 311] newfstatat(AT_FDCWD, "./131/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] newfstatat(AT_FDCWD, "./128/cgroup.cpu" [pid 981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 981] <... openat resumed>) = 3 [pid 980] close(14 [pid 311] unlink("./131/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 981] write(3, "1000", 4 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] unlink("./128/cgroup.cpu" [pid 981] <... write resumed>) = 4 [pid 980] close(15 [pid 311] umount2("./131/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 981] close(3 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 981] <... close resumed>) = 0 [pid 980] close(16 [pid 311] newfstatat(AT_FDCWD, "./131/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./128/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 981] symlink("/dev/binderfs", "./binderfs" [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 980] close(17 [pid 311] unlink("./131/cgroup.net" [pid 981] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./129/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 981] write(1, "executing program\n", 18 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 981] <... write resumed>) = 18 [pid 980] close(18 [pid 311] umount2("./131/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 309] newfstatat(AT_FDCWD, "./128/cgroup" [pid 981] mkdirat(AT_FDCWD, "./config", 0777 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 981] <... mkdirat resumed>) = 0 [pid 980] close(19 [pid 311] newfstatat(AT_FDCWD, "./131/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 981] mount(NULL, "./config", "configfs", 0, NULL [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./128/cgroup" [pid 980] close(20 [pid 311] unlink("./131/cgroup.cpu" [pid 981] <... mount resumed>) = 0 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./129/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 980] close(21 [pid 311] umount2("./131/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 981] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] getdents64(3 [pid 981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 980] close(22 [pid 311] newfstatat(AT_FDCWD, "./131/cgroup" [pid 310] fstat(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 981] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 980] close(23 [pid 311] unlink("./131/cgroup" [pid 309] close(3 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 981] <... mkdirat resumed>) = 0 [pid 980] close(24 [pid 311] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 981] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./128" [pid 981] <... symlinkat resumed>) = 0 [pid 980] close(25 [pid 311] close(3 [pid 310] getdents64(4 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 981] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 980] close(26 [pid 311] rmdir("./131" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 981] <... unlinkat resumed>) = 0 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] close(4 [pid 309] mkdir("./129", 0777 [pid 981] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 980] close(27 [pid 311] mkdir("./132", 0777 [pid 310] <... close resumed>) = 0 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 981] <... unlinkat resumed>) = 0 [pid 980] close(28 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./129/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 981] close(3 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 980] close(29 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 982 attached [pid 981] close(4 [pid 980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 982] set_robust_list(0x55555bb49760, 24 [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 980] exit_group(0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 134 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 980] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 983 attached [pid 982] <... set_robust_list resumed>) = 0 [pid 981] close(5 [pid 980] +++ exited with 0 +++ [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./129/binderfs" [pid 983] set_robust_list(0x55555bb49760, 24 [pid 982] rt_sigprocmask(SIG_SETMASK, [] [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 131 [pid 983] <... set_robust_list resumed>) = 0 [pid 982] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 981] close(6 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 983] rt_sigprocmask(SIG_SETMASK, [] [pid 982] chdir("./132" [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./129/binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 983] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 982] <... chdir resumed>) = 0 [pid 981] close(7 [pid 983] chdir("./129" [pid 982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 983] <... chdir resumed>) = 0 [pid 982] <... prctl resumed>) = 0 [pid 981] close(8 [pid 310] umount2("./129/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 982] setpgid(0, 0 [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 983] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 983] setpgid(0, 0 [pid 982] <... setpgid resumed>) = 0 [pid 981] close(9 [pid 310] newfstatat(AT_FDCWD, "./129/cgroup.net" [pid 983] <... setpgid resumed>) = 0 [pid 982] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 983] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 982] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 981] close(10 [pid 983] <... symlink resumed>) = 0 [pid 982] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./129/cgroup.net" [pid 983] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 982] <... symlink resumed>) = 0 [pid 981] close(11 [pid 313] <... openat resumed>) = 3 [pid 983] <... symlink resumed>) = 0 [pid 982] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 310] <... unlink resumed>) = 0 [pid 983] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 982] <... symlink resumed>) = 0 [pid 983] <... symlink resumed>) = 0 [pid 981] close(12 [pid 313] getdents64(3 [pid 310] umount2("./129/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 983] <... openat resumed>) = 3 [pid 313] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 983] write(3, "1000", 4 [pid 982] <... openat resumed>) = 3 [pid 981] close(13 [pid 313] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./129/cgroup.cpu" [pid 983] <... write resumed>) = 4 [pid 982] write(3, "1000", 4 [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 983] close(3 [pid 982] <... write resumed>) = 4 [pid 981] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 983] <... close resumed>) = 0 [pid 982] close(3 [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./137/config" [pid 310] unlink("./129/cgroup.cpu" [pid 983] symlink("/dev/binderfs", "./binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 983] <... symlink resumed>) = 0 [pid 982] <... close resumed>) = 0 [pid 981] close(15 [pid 313] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 983] write(1, "executing program\n", 18 [pid 982] symlink("/dev/binderfs", "./binderfs" [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 983] <... write resumed>) = 18 executing program [pid 313] openat(AT_FDCWD, "./137/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./129/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 983] mkdirat(AT_FDCWD, "./config", 0777 [pid 982] <... symlink resumed>) = 0 [pid 981] close(16 [pid 313] <... openat resumed>) = 4 [pid 983] <... mkdirat resumed>) = 0 [pid 982] write(1, "executing program\n", 18 [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 983] mount(NULL, "./config", "configfs", 0, NULL [pid 982] <... write resumed>) = 18 [pid 981] close(17 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./129/cgroup" [pid 983] <... mount resumed>) = 0 [pid 982] mkdirat(AT_FDCWD, "./config", 0777 [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 983] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 983] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 982] <... mkdirat resumed>) = 0 [pid 981] close(18 [pid 313] getdents64(4 [pid 310] unlink("./129/cgroup" [pid 983] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 982] mount(NULL, "./config", "configfs", 0, NULL [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 983] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] close(4 [pid 310] <... unlink resumed>) = 0 [pid 982] <... mount resumed>) = 0 [pid 983] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 981] close(19 [pid 313] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 983] <... mkdirat resumed>) = 0 [pid 982] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./137/config" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 983] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 981] close(20 [pid 313] <... rmdir resumed>) = 0 [pid 983] <... symlinkat resumed>) = 0 [pid 982] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 983] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 981] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 983] <... unlinkat resumed>) = 0 [pid 982] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./137/binderfs" [pid 310] <... close resumed>) = 0 [pid 983] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 982] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 981] close(22 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./129" [pid 983] <... unlinkat resumed>) = 0 [pid 313] unlink("./137/binderfs" [pid 983] close(3 [pid 982] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 981] close(23 [pid 313] umount2("./137/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./130", 0777 [pid 983] close(4 [pid 982] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 981] close(24 [pid 313] newfstatat(AT_FDCWD, "./137/cgroup.net" [pid 310] <... mkdir resumed>) = 0 [pid 983] close(5 [pid 982] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(3 [pid 981] close(25 [pid 313] unlink("./137/cgroup.net" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 983] close(6 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./137/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 983] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(4 [pid 981] close(26 [pid 313] newfstatat(AT_FDCWD, "./137/cgroup.cpu" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 983] close(8 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(5 [pid 981] close(27 [pid 313] unlink("./137/cgroup.cpu" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 983] close(9 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./137/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 983] close(10 [pid 982] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./137/cgroup" [pid 983] close(11 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./137/cgroup"ci2-android-5-15/strace-static-x86_64: Process 984 attached [pid 983] close(12 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 981] close(28 [pid 313] <... unlink resumed>) = 0 [pid 984] set_robust_list(0x55555bb49760, 24 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(7 [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 984] <... set_robust_list resumed>) = 0 [pid 983] close(13 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 981] close(29 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 132 [pid 984] rt_sigprocmask(SIG_SETMASK, [] [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 984] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 983] close(14 [pid 982] close(8 [pid 981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 984] chdir("./130" [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 981] exit_group(0 [pid 313] rmdir("./137" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 984] <... chdir resumed>) = 0 [pid 983] close(15 [pid 982] close(9 [pid 981] <... exit_group resumed>) = ? [pid 313] <... rmdir resumed>) = 0 [pid 984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./138", 0777 [pid 984] <... prctl resumed>) = 0 [pid 983] close(16 [pid 313] <... mkdir resumed>) = 0 [pid 984] setpgid(0, 0 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 984] <... setpgid resumed>) = 0 [pid 983] close(17 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 984] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(10 [pid 981] +++ exited with 0 +++ [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 984] <... symlink resumed>) = 0 [pid 983] close(18 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 985 attached [pid 984] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(11 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 140 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 985] set_robust_list(0x55555bb49760, 24 [pid 984] <... symlink resumed>) = 0 [pid 983] close(19 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 985] <... set_robust_list resumed>) = 0 [pid 984] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(12 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 985] rt_sigprocmask(SIG_SETMASK, [] [pid 984] <... symlink resumed>) = 0 [pid 983] close(20 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(13 [pid 985] chdir("./138" [pid 984] <... openat resumed>) = 3 [pid 983] close(21 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] <... chdir resumed>) = 0 [pid 984] write(3, "1000", 4 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(14 [pid 985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 984] <... write resumed>) = 4 [pid 983] close(22 [pid 985] <... prctl resumed>) = 0 [pid 984] close(3 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] setpgid(0, 0 [pid 984] <... close resumed>) = 0 [pid 983] close(23 [pid 982] close(15 [pid 985] <... setpgid resumed>) = 0 [pid 984] symlink("/dev/binderfs", "./binderfs" [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 984] <... symlink resumed>) = 0 [pid 983] close(24 [pid 984] write(1, "executing program\n", 18 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(16 [pid 985] <... symlink resumed>) = 0 [pid 984] <... write resumed>) = 18 executing program [pid 983] close(25 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 984] mkdirat(AT_FDCWD, "./config", 0777 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] <... symlink resumed>) = 0 [pid 984] <... mkdirat resumed>) = 0 [pid 983] close(26 [pid 982] close(17 [pid 985] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 984] mount(NULL, "./config", "configfs", 0, NULL [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] <... symlink resumed>) = 0 [pid 984] <... mount resumed>) = 0 [pid 983] close(27 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 984] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 983] close(28 [pid 982] close(18 [pid 985] <... openat resumed>) = 3 [pid 984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] write(3, "1000", 4 [pid 984] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 983] close(29 [pid 982] close(19 [pid 985] <... write resumed>) = 4 [pid 984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] close(3 [pid 984] <... mkdirat resumed>) = 0 [pid 983] exit_group(0 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] <... close resumed>) = 0 [pid 984] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 983] <... exit_group resumed>) = ? [pid 982] close(20 [pid 985] symlink("/dev/binderfs", "./binderfs" [pid 984] <... symlinkat resumed>) = 0 [pid 983] +++ exited with 0 +++ [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 984] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 985] <... symlink resumed>) = 0 [pid 984] <... unlinkat resumed>) = 0 [pid 982] close(21 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=131, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 985] write(1, "executing program\n", 18 executing program [pid 984] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 985] <... write resumed>) = 18 [pid 984] <... unlinkat resumed>) = 0 [pid 982] close(22 [pid 985] mkdirat(AT_FDCWD, "./config", 0777 [pid 984] close(3 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] <... mkdirat resumed>) = 0 [pid 984] close(4 [pid 982] close(23 [pid 985] mount(NULL, "./config", "configfs", 0, NULL [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 984] close(5 [pid 985] <... mount resumed>) = 0 [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(24 [pid 985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 984] close(6 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 984] close(7 [pid 982] close(25 [pid 985] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 984] close(8) = -1 EBADF (Bad file descriptor) [pid 984] close(9 [pid 982] close(26 [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 984] close(10) = -1 EBADF (Bad file descriptor) [pid 985] <... mkdirat resumed>) = 0 [pid 984] close(11 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(27 [pid 984] close(12) = -1 EBADF (Bad file descriptor) [pid 985] <... symlinkat resumed>) = 0 [pid 984] close(13 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(28 [pid 985] <... unlinkat resumed>) = 0 [pid 984] close(14 [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] close(29 [pid 984] close(15) = -1 EBADF (Bad file descriptor) [pid 984] close(16 [pid 985] <... unlinkat resumed>) = 0 [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] close(3 [pid 984] close(17 [pid 312] <... restart_syscall resumed>) = 0 [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 982] exit_group(0 [pid 309] <... restart_syscall resumed>) = 0 [pid 985] close(4 [pid 984] close(18 [pid 982] <... exit_group resumed>) = ? [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 984] close(19) = -1 EBADF (Bad file descriptor) [pid 984] close(20) = -1 EBADF (Bad file descriptor) [pid 984] close(21) = -1 EBADF (Bad file descriptor) [pid 984] close(22) = -1 EBADF (Bad file descriptor) [pid 984] close(23) = -1 EBADF (Bad file descriptor) [pid 984] close(24) = -1 EBADF (Bad file descriptor) [pid 984] close(25 [pid 982] +++ exited with 0 +++ [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 984] close(26 [pid 985] close(5 [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 984] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 985] close(6 [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 984] close(28 [pid 312] <... openat resumed>) = 3 [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 985] close(7 [pid 984] close(29 [pid 312] fstat(3 [pid 309] <... openat resumed>) = 3 [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] fstat(3 [pid 985] close(8 [pid 984] exit_group(0 [pid 312] getdents64(3 [pid 984] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 984] +++ exited with 0 +++ [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] getdents64(3 [pid 985] close(9 [pid 312] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 985] close(10 [pid 312] <... umount2 resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 985] close(11 [pid 309] <... umount2 resumed>) = 0 [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 985] close(12 [pid 312] newfstatat(AT_FDCWD, "./137/config" [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 985] close(13 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./129/config" [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 985] close(14 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 985] close(15 [pid 309] umount2("./129/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./137/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 985] close(16 [pid 312] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 309] openat(AT_FDCWD, "./129/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 985] close(17 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 985] close(18 [pid 312] getdents64(4 [pid 309] fstat(4 [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 985] close(19 [pid 312] close(4) = 0 [pid 312] rmdir("./137/config" [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 985] close(20 [pid 312] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 985] close(21 [pid 312] newfstatat(AT_FDCWD, "./137/binderfs" [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 985] close(22 [pid 312] unlink("./137/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] close(4 [pid 985] close(23 [pid 312] umount2("./137/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 985] close(24 [pid 312] newfstatat(AT_FDCWD, "./137/cgroup.net" [pid 309] rmdir("./129/config" [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./137/cgroup.net" [pid 309] <... rmdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 312] umount2("./137/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 985] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./137/cgroup.cpu" [pid 985] close(26 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./137/cgroup.cpu" [pid 985] close(27 [pid 312] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./129/binderfs" [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./137/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 985] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./137/cgroup" [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./129/binderfs" [pid 985] close(29 [pid 312] unlink("./137/cgroup" [pid 985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] close(3 [pid 985] exit_group(0 [pid 312] <... close resumed>) = 0 [pid 309] umount2("./129/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 985] <... exit_group resumed>) = ? [pid 312] rmdir("./137") = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./138", 0777) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 986 attached [pid 985] +++ exited with 0 +++ [pid 309] newfstatat(AT_FDCWD, "./129/cgroup.net" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 140 [pid 986] set_robust_list(0x55555bb49760, 24 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 986] <... set_robust_list resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./129/cgroup.net" [pid 986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 986] chdir("./138" [pid 311] <... restart_syscall resumed>) = 0 [pid 309] umount2("./129/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 986] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./129/cgroup.cpu" [pid 986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 986] <... prctl resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./129/cgroup.cpu" [pid 986] setpgid(0, 0 [pid 311] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 986] <... setpgid resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 986] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] fstat(3 [pid 309] umount2("./129/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 986] <... symlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 986] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./129/cgroup" [pid 986] <... symlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 986] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 986] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 309] unlink("./129/cgroup" [pid 986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 986] <... openat resumed>) = 3 [pid 311] newfstatat(AT_FDCWD, "./132/config" [pid 309] getdents64(3 [pid 986] write(3, "1000", 4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 986] <... write resumed>) = 4 [pid 311] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 986] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 986] <... close resumed>) = 0 [pid 311] openat(AT_FDCWD, "./132/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 986] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./129" [pid 986] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 986] write(1, "executing program\n", 18 [pid 310] fstat(3 [pid 309] mkdir("./130", 0777 [pid 986] <... write resumed>) = 18 [pid 313] <... restart_syscall resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 executing program [pid 309] <... mkdir resumed>) = 0 [pid 986] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... openat resumed>) = 4 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 986] <... mkdirat resumed>) = 0 [pid 311] fstat(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 986] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 986] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 987 attached [pid 986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 132 [pid 987] set_robust_list(0x55555bb49760, 24 [pid 986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 3 [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 987] <... set_robust_list resumed>) = 0 [pid 986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] fstat(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./130/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 987] rt_sigprocmask(SIG_SETMASK, [] [pid 986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 987] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] getdents64(3 [pid 311] close(4 [pid 310] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 987] chdir("./130" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 987] <... chdir resumed>) = 0 [pid 986] <... mkdirat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./130/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 986] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./132/config" [pid 310] <... openat resumed>) = 4 [pid 987] <... prctl resumed>) = 0 [pid 310] fstat(4 [pid 986] <... symlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 987] setpgid(0, 0 [pid 986] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 987] <... setpgid resumed>) = 0 [pid 986] <... unlinkat resumed>) = 0 [pid 313] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 987] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 986] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 987] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./138/config" [pid 311] newfstatat(AT_FDCWD, "./132/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 987] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 986] <... unlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 987] <... symlink resumed>) = 0 [pid 986] close(3 [pid 313] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./132/binderfs" [pid 310] <... close resumed>) = 0 [pid 987] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./130/config" [pid 987] <... symlink resumed>) = 0 [pid 986] close(4 [pid 313] openat(AT_FDCWD, "./138/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./132/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 987] <... openat resumed>) = 3 [pid 986] close(5 [pid 313] fstat(4 [pid 311] newfstatat(AT_FDCWD, "./132/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 987] write(3, "1000", 4 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./130/binderfs" [pid 987] <... write resumed>) = 4 [pid 986] close(6 [pid 313] getdents64(4 [pid 311] unlink("./132/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 987] close(3 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./130/binderfs" [pid 987] <... close resumed>) = 0 [pid 986] close(7 [pid 313] getdents64(4 [pid 311] umount2("./132/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 987] symlink("/dev/binderfs", "./binderfs" [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./130/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 987] <... symlink resumed>) = 0 [pid 986] close(8 [pid 313] close(4 [pid 311] newfstatat(AT_FDCWD, "./132/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 987] write(1, "executing program\n", 18 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./130/cgroup.net" [pid 987] <... write resumed>) = 18 [pid 986] close(9 [pid 313] rmdir("./138/config" [pid 311] unlink("./132/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 987] mkdirat(AT_FDCWD, "./config", 0777 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./130/cgroup.net" [pid 987] <... mkdirat resumed>) = 0 [pid 986] close(10 [pid 313] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./132/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 987] mount(NULL, "./config", "configfs", 0, NULL [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./130/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 987] <... mount resumed>) = 0 [pid 986] close(11 [pid 313] newfstatat(AT_FDCWD, "./138/binderfs" [pid 311] newfstatat(AT_FDCWD, "./132/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./130/cgroup.cpu" [pid 987] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 986] close(12 [pid 313] unlink("./138/binderfs" [pid 311] unlink("./132/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./130/cgroup.cpu" [pid 987] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 986] close(13 [pid 313] umount2("./138/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./130/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 987] <... mkdirat resumed>) = 0 [pid 986] close(14 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 987] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./138/cgroup.net" [pid 311] close(3 [pid 310] newfstatat(AT_FDCWD, "./130/cgroup" [pid 987] <... symlinkat resumed>) = 0 [pid 986] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 987] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./138/cgroup.net" [pid 311] <... close resumed>) = 0 [pid 310] unlink("./130/cgroup" [pid 987] <... unlinkat resumed>) = 0 [pid 986] close(16 [pid 313] <... unlink resumed>) = 0 [pid 311] rmdir("./132" [pid 310] <... unlink resumed>) = 0 [pid 987] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./138/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 987] <... unlinkat resumed>) = 0 [pid 986] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdir("./133", 0777 [pid 310] close(3 [pid 987] close(3 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./138/cgroup.cpu" [pid 311] <... mkdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 986] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./130" [pid 987] close(4 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./138/cgroup.cpu" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 986] close(19 [pid 313] <... unlink resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] mkdir("./131", 0777 [pid 987] close(5 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./138/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 988 attached [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 986] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 988] set_robust_list(0x55555bb49760, 24 [pid 987] close(6 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./138/cgroup" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 135 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 988] <... set_robust_list resumed>) = 0 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 986] close(21 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 989 attached [pid 988] rt_sigprocmask(SIG_SETMASK, [] [pid 987] close(7 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./138/cgroup" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 989] set_robust_list(0x55555bb49760, 24 [pid 988] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 986] close(22 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 133 [pid 989] <... set_robust_list resumed>) = 0 [pid 988] chdir("./133" [pid 987] close(8 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 989] rt_sigprocmask(SIG_SETMASK, [] [pid 988] <... chdir resumed>) = 0 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 986] close(23 [pid 313] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 989] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 987] close(9 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 989] chdir("./131" [pid 988] <... prctl resumed>) = 0 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 986] close(24 [pid 313] close(3 [pid 989] <... chdir resumed>) = 0 [pid 988] setpgid(0, 0 [pid 987] close(10 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 988] <... setpgid resumed>) = 0 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 986] close(25 [pid 313] <... close resumed>) = 0 [pid 989] <... prctl resumed>) = 0 [pid 988] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 987] close(11 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./138" [pid 989] setpgid(0, 0 [pid 988] <... symlink resumed>) = 0 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 986] close(26 [pid 989] <... setpgid resumed>) = 0 [pid 988] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 987] close(12 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 989] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 988] <... symlink resumed>) = 0 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 986] close(27 [pid 313] mkdir("./139", 0777 [pid 989] <... symlink resumed>) = 0 [pid 988] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 987] close(13 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 988] <... symlink resumed>) = 0 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 986] close(28 [pid 313] <... mkdir resumed>) = 0 [pid 989] <... symlink resumed>) = 0 [pid 988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 987] close(14 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 989] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 988] <... openat resumed>) = 3 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 986] close(29 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 989] <... symlink resumed>) = 0 [pid 988] write(3, "1000", 4 [pid 987] close(15 [pid 986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 988] <... write resumed>) = 4 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] close(3 [pid 986] exit_group(0 [pid 988] <... close resumed>) = 0 [pid 988] symlink("/dev/binderfs", "./binderfs") = 0 [pid 988] write(1, "executing program\n", 18) = 18 ci2-android-5-15/strace-static-x86_64: Process 990 attached executing program [pid 988] mkdirat(AT_FDCWD, "./config", 0777 [pid 989] <... openat resumed>) = 3 [pid 987] close(16 [pid 990] set_robust_list(0x55555bb49760, 24 [pid 989] write(3, "1000", 4 [pid 988] <... mkdirat resumed>) = 0 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 986] <... exit_group resumed>) = ? [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 141 [pid 990] <... set_robust_list resumed>) = 0 [pid 989] <... write resumed>) = 4 [pid 988] mount(NULL, "./config", "configfs", 0, NULL [pid 987] close(17 [pid 990] rt_sigprocmask(SIG_SETMASK, [] [pid 988] <... mount resumed>) = 0 [pid 990] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 986] +++ exited with 0 +++ [pid 990] chdir("./139" [pid 989] close(3 [pid 988] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 990] <... chdir resumed>) = 0 [pid 989] <... close resumed>) = 0 [pid 988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 987] close(18 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 989] symlink("/dev/binderfs", "./binderfs" [pid 988] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 990] <... prctl resumed>) = 0 [pid 988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 990] setpgid(0, 0 [pid 989] <... symlink resumed>) = 0 [pid 988] <... mkdirat resumed>) = 0 [pid 987] close(19 [pid 990] <... setpgid resumed>) = 0 [pid 989] write(1, "executing program\n", 18 executing program [pid 988] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 989] <... write resumed>) = 18 [pid 988] <... symlinkat resumed>) = 0 [pid 987] close(20 [pid 990] <... symlink resumed>) = 0 [pid 989] mkdirat(AT_FDCWD, "./config", 0777 [pid 988] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 989] <... mkdirat resumed>) = 0 [pid 988] <... unlinkat resumed>) = 0 [pid 987] close(21 [pid 990] <... symlink resumed>) = 0 [pid 988] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 990] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 989] mount(NULL, "./config", "configfs", 0, NULL [pid 988] <... unlinkat resumed>) = 0 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] <... symlink resumed>) = 0 [pid 988] close(3 [pid 989] <... mount resumed>) = 0 [pid 990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 987] close(22 [pid 990] <... openat resumed>) = 3 [pid 989] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 988] close(4 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] write(3, "1000", 4 [pid 989] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 987] close(23 [pid 990] <... write resumed>) = 4 [pid 989] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 988] close(5 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] close(3 [pid 989] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 987] close(24 [pid 990] <... close resumed>) = 0 [pid 988] close(6 [pid 990] symlink("/dev/binderfs", "./binderfs" [pid 989] <... mkdirat resumed>) = 0 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] <... symlink resumed>) = 0 [pid 989] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 988] close(7 [pid 987] close(25 executing program [pid 990] write(1, "executing program\n", 18 [pid 989] <... symlinkat resumed>) = 0 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] <... write resumed>) = 18 [pid 989] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 988] close(8 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] mkdirat(AT_FDCWD, "./config", 0777 [pid 989] <... unlinkat resumed>) = 0 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 987] close(26 [pid 990] <... mkdirat resumed>) = 0 [pid 989] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 988] close(9 [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] mount(NULL, "./config", "configfs", 0, NULL [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... unlinkat resumed>) = 0 [pid 988] close(10 [pid 987] close(27 [pid 990] <... mount resumed>) = 0 [pid 989] close(3 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] close(11 [pid 987] close(28 [pid 990] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 989] close(4 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] close(12 [pid 987] close(29 [pid 990] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 989] close(5 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] close(13) = -1 EBADF (Bad file descriptor) [pid 987] exit_group(0 [pid 990] <... mkdirat resumed>) = 0 [pid 988] close(14 [pid 990] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 989] close(6 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 987] <... exit_group resumed>) = ? [pid 988] close(15 [pid 990] <... symlinkat resumed>) = 0 [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] close(16) = -1 EBADF (Bad file descriptor) [pid 988] close(17) = -1 EBADF (Bad file descriptor) [pid 988] close(18) = -1 EBADF (Bad file descriptor) [pid 988] close(19) = -1 EBADF (Bad file descriptor) [pid 988] close(20) = -1 EBADF (Bad file descriptor) [pid 988] close(21 [pid 987] +++ exited with 0 +++ [pid 990] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 989] close(7 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 990] <... unlinkat resumed>) = 0 [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] close(22 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 990] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 989] close(8 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] close(23) = -1 EBADF (Bad file descriptor) [pid 990] <... unlinkat resumed>) = 0 [pid 988] close(24 [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] close(3 [pid 989] close(9 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] close(25 [pid 990] close(4 [pid 989] close(10 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] close(26 [pid 990] close(5 [pid 989] close(11 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] close(27 [pid 312] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 990] close(6 [pid 989] close(12 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 990] close(7 [pid 989] close(13 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] close(29 [pid 989] close(14 [pid 988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 990] close(8 [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] exit_group(0 [pid 312] fstat(3 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] close(15 [pid 988] <... exit_group resumed>) = ? [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 990] close(9 [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 988] +++ exited with 0 +++ [pid 312] getdents64(3 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] close(16 [pid 990] close(10 [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] close(17 [pid 312] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 990] close(11 [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 990] close(12 [pid 989] close(18 [pid 312] <... umount2 resumed>) = 0 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 990] close(13 [pid 989] close(19 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 990] close(14 [pid 989] close(20 [pid 312] newfstatat(AT_FDCWD, "./138/config" [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] close(15 [pid 989] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] close(16 [pid 989] close(22 [pid 312] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] close(17 [pid 989] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./138/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 990] close(18 [pid 989] close(24 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 990] close(19 [pid 989] close(25 [pid 312] fstat(4 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 990] close(20 [pid 989] close(26 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 990] close(21 [pid 989] close(27 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 990] close(22 [pid 989] close(28 [pid 312] getdents64(4 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 990] close(23 [pid 989] close(29 [pid 312] close(4 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 990] close(24 [pid 312] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 989] exit_group(0 [pid 312] rmdir("./138/config" [pid 990] close(25 [pid 989] <... exit_group resumed>) = ? [pid 312] <... rmdir resumed>) = 0 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 989] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 990] close(26 [pid 312] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 990] close(27 [pid 312] newfstatat(AT_FDCWD, "./138/binderfs" [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 990] close(28 [pid 312] unlink("./138/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./130/config" [pid 990] close(29 [pid 312] umount2("./138/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./130/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 990] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./138/cgroup.net" [pid 311] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 990] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./130/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 310] getdents64(3 [pid 309] fstat(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 990] +++ exited with 0 +++ [pid 312] unlink("./138/cgroup.net" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./138/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] newfstatat(AT_FDCWD, "./138/cgroup.cpu" [pid 311] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./131/config" [pid 309] close(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 312] unlink("./138/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./130/config" [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./133/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 312] umount2("./138/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./131/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./138/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 309] newfstatat(AT_FDCWD, "./130/binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./133/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./138/cgroup" [pid 311] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 309] unlink("./130/binderfs" [pid 312] <... unlink resumed>) = 0 [pid 311] fstat(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... unlink resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] getdents64(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] getdents64(4 [pid 309] umount2("./130/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 309] newfstatat(AT_FDCWD, "./130/cgroup.net" [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 310] rmdir("./131/config" [pid 309] unlink("./130/cgroup.net" [pid 312] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 311] getdents64(4 [pid 310] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./130/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./138" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... rmdir resumed>) = 0 [pid 311] close(4 [pid 310] newfstatat(AT_FDCWD, "./131/binderfs" [pid 309] newfstatat(AT_FDCWD, "./130/cgroup.cpu" [pid 313] <... openat resumed>) = 3 [pid 312] mkdir("./139", 0777 [pid 311] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] fstat(3 [pid 312] <... mkdir resumed>) = 0 [pid 311] rmdir("./133/config" [pid 310] unlink("./131/binderfs" [pid 309] unlink("./130/cgroup.cpu" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rmdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] getdents64(3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./131/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./130/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./131/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./130/cgroup"ci2-android-5-15/strace-static-x86_64: Process 991 attached [pid 313] <... umount2 resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./133/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 991] set_robust_list(0x55555bb49760, 24 [pid 313] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 141 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./131/cgroup.net" [pid 309] unlink("./130/cgroup" [pid 991] <... set_robust_list resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] unlink("./133/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 991] rt_sigprocmask(SIG_SETMASK, [] [pid 313] newfstatat(AT_FDCWD, "./139/config" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./131/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 991] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./133/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 991] chdir("./139" [pid 313] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./131/cgroup.cpu" [pid 309] close(3 [pid 991] <... chdir resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./133/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] openat(AT_FDCWD, "./139/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./131/cgroup.cpu" [pid 309] rmdir("./130" [pid 991] <... prctl resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 311] unlink("./133/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 991] setpgid(0, 0 [pid 313] fstat(4 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./131/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./131", 0777 [pid 991] <... setpgid resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] umount2("./133/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 991] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./131/cgroup" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 991] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] newfstatat(AT_FDCWD, "./133/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 991] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./131/cgroup" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 991] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] unlink("./133/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 992 attached [pid 991] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] close(4 [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 133 [pid 992] set_robust_list(0x55555bb49760, 24 [pid 991] <... symlink resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 311] umount2("./133/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 992] <... set_robust_list resumed>) = 0 [pid 991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] rmdir("./139/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 992] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./133/cgroup" [pid 310] <... close resumed>) = 0 [pid 992] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 991] <... openat resumed>) = 3 [pid 313] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./131" [pid 992] chdir("./131" [pid 991] write(3, "1000", 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./133/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 992] <... chdir resumed>) = 0 [pid 991] <... write resumed>) = 4 [pid 313] newfstatat(AT_FDCWD, "./139/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 310] mkdir("./132", 0777 [pid 992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 991] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3 [pid 310] <... mkdir resumed>) = 0 [pid 992] <... prctl resumed>) = 0 [pid 991] <... close resumed>) = 0 [pid 313] unlink("./139/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 992] setpgid(0, 0 [pid 991] symlink("/dev/binderfs", "./binderfs" [pid 313] <... unlink resumed>) = 0 [pid 311] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 992] <... setpgid resumed>) = 0 [pid 991] <... symlink resumed>) = 0 [pid 313] umount2("./139/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 993 attached [pid 992] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 991] write(1, "executing program\n", 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 992] <... symlink resumed>) = 0 [pid 991] <... write resumed>) = 18 [pid 313] newfstatat(AT_FDCWD, "./139/cgroup.net" [pid 311] rmdir("./133" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 134 [pid 993] set_robust_list(0x55555bb49760, 24 [pid 992] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 991] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 executing program [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 993] <... set_robust_list resumed>) = 0 [pid 992] <... symlink resumed>) = 0 [pid 991] <... mkdirat resumed>) = 0 [pid 313] unlink("./139/cgroup.net" [pid 311] mkdir("./134", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 993] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... unlink resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 992] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 993] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 991] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./139/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 993] chdir("./132" [pid 992] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 991] <... mount resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./139/cgroup.cpu" [pid 992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 993] <... chdir resumed>) = 0 [pid 991] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 992] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 994 attached [pid 993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 992] write(3, "1000", 4 [pid 313] unlink("./139/cgroup.cpu" [pid 994] set_robust_list(0x55555bb49760, 24 [pid 993] <... prctl resumed>) = 0 [pid 992] <... write resumed>) = 4 [pid 991] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 994] <... set_robust_list resumed>) = 0 [pid 993] setpgid(0, 0 [pid 992] close(3 [pid 991] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... unlink resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 136 [pid 994] rt_sigprocmask(SIG_SETMASK, [] [pid 993] <... setpgid resumed>) = 0 [pid 992] <... close resumed>) = 0 [pid 991] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 994] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 993] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 992] symlink("/dev/binderfs", "./binderfs" [pid 991] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] umount2("./139/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 994] chdir("./134" [pid 993] <... symlink resumed>) = 0 [pid 992] <... symlink resumed>) = 0 [pid 994] <... chdir resumed>) = 0 [pid 991] <... mkdirat resumed>) = 0 [pid 994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 993] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 992] write(1, "executing program\n", 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 991] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 994] <... prctl resumed>) = 0 [pid 993] <... symlink resumed>) = 0 [pid 992] <... write resumed>) = 18 [pid 313] newfstatat(AT_FDCWD, "./139/cgroup" [pid 994] setpgid(0, 0 [pid 991] <... symlinkat resumed>) = 0 [pid 994] <... setpgid resumed>) = 0 executing program [pid 993] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 992] mkdirat(AT_FDCWD, "./config", 0777 [pid 991] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 994] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 993] <... symlink resumed>) = 0 [pid 994] <... symlink resumed>) = 0 [pid 992] <... mkdirat resumed>) = 0 [pid 991] <... unlinkat resumed>) = 0 [pid 313] unlink("./139/cgroup" [pid 994] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 992] mount(NULL, "./config", "configfs", 0, NULL [pid 991] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 994] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 994] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 993] <... openat resumed>) = 3 [pid 994] <... symlink resumed>) = 0 [pid 992] <... mount resumed>) = 0 [pid 313] getdents64(3 [pid 994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 993] write(3, "1000", 4 [pid 992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 991] <... unlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 994] <... openat resumed>) = 3 [pid 993] <... write resumed>) = 4 [pid 992] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 991] close(3 [pid 313] close(3 [pid 994] write(3, "1000", 4 [pid 993] close(3 [pid 992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 994] <... write resumed>) = 4 [pid 993] <... close resumed>) = 0 [pid 992] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... close resumed>) = 0 [pid 994] close(3 [pid 993] symlink("/dev/binderfs", "./binderfs" [pid 992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 991] close(4 [pid 313] rmdir("./139" [pid 994] <... close resumed>) = 0 [pid 993] <... symlink resumed>) = 0 [pid 994] symlink("/dev/binderfs", "./binderfs" [pid 992] <... mkdirat resumed>) = 0 [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 994] <... symlink resumed>) = 0 [pid 993] write(1, "executing program\n", 18 executing program [pid 992] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 991] close(5 [pid 313] <... rmdir resumed>) = 0 [pid 994] write(1, "executing program\n", 18 [pid 993] <... write resumed>) = 18 [pid 994] <... write resumed>) = 18 executing program [pid 992] <... symlinkat resumed>) = 0 [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./140", 0777 [pid 993] mkdirat(AT_FDCWD, "./config", 0777 [pid 994] mkdirat(AT_FDCWD, "./config", 0777 [pid 992] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 991] close(6 [pid 994] <... mkdirat resumed>) = 0 [pid 993] <... mkdirat resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 994] mount(NULL, "./config", "configfs", 0, NULL [pid 993] mount(NULL, "./config", "configfs", 0, NULL [pid 992] <... unlinkat resumed>) = 0 [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 994] <... mount resumed>) = 0 [pid 993] <... mount resumed>) = 0 [pid 992] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 991] close(7 [pid 994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 994] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 993] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 992] <... unlinkat resumed>) = 0 [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 992] close(3 [pid 994] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 991] close(8 [pid 994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 ci2-android-5-15/strace-static-x86_64: Process 995 attached [pid 994] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 995] set_robust_list(0x55555bb49760, 24 [pid 994] <... symlinkat resumed>) = 0 [pid 993] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 142 [pid 995] <... set_robust_list resumed>) = 0 [pid 994] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 992] close(4 [pid 991] close(9 [pid 995] rt_sigprocmask(SIG_SETMASK, [] [pid 994] <... unlinkat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 995] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 994] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 993] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 995] chdir("./140" [pid 994] <... unlinkat resumed>) = 0 [pid 993] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 992] close(5 [pid 991] close(10 [pid 995] <... chdir resumed>) = 0 [pid 994] close(3 [pid 993] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 992] close(6 [pid 991] close(11 [pid 995] <... prctl resumed>) = 0 [pid 994] close(4 [pid 993] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] setpgid(0, 0 [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 992] close(7 [pid 991] close(12 [pid 995] <... setpgid resumed>) = 0 [pid 994] close(5 [pid 993] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(3 [pid 992] close(8 [pid 991] close(13 [pid 995] <... symlink resumed>) = 0 [pid 994] close(6 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(4 [pid 992] close(9 [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... symlink resumed>) = 0 [pid 994] close(7 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] close(14 [pid 995] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(5 [pid 992] close(10 [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... symlink resumed>) = 0 [pid 994] close(8 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] close(15 [pid 995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(6 [pid 992] close(11 [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... openat resumed>) = 3 [pid 994] close(9 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] close(16 [pid 995] write(3, "1000", 4 [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(7 [pid 992] close(12 [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... write resumed>) = 4 [pid 994] close(10 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] close(3 [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(8 [pid 992] close(13 [pid 991] close(17 [pid 995] <... close resumed>) = 0 [pid 994] close(11 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] symlink("/dev/binderfs", "./binderfs" [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(9 [pid 992] close(14 [pid 991] close(18 [pid 995] <... symlink resumed>) = 0 [pid 994] close(12 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] write(1, "executing program\n", 18 [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(10 executing program [pid 992] close(15 [pid 991] close(19 [pid 995] <... write resumed>) = 18 [pid 994] close(13 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] mkdirat(AT_FDCWD, "./config", 0777 [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(11 [pid 992] close(16 [pid 991] close(20 [pid 995] <... mkdirat resumed>) = 0 [pid 994] close(14 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] mount(NULL, "./config", "configfs", 0, NULL [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(12 [pid 992] close(17 [pid 991] close(21 [pid 995] <... mount resumed>) = 0 [pid 994] close(15 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(13 [pid 992] close(18 [pid 991] close(22 [pid 995] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 994] close(16 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(14 [pid 992] close(19 [pid 991] close(23 [pid 995] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 994] close(17 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(15 [pid 992] close(20 [pid 995] <... mkdirat resumed>) = 0 [pid 991] close(24 [pid 995] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 994] close(18 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... symlinkat resumed>) = 0 [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(16 [pid 992] close(21 [pid 991] close(25 [pid 995] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 994] close(19 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... unlinkat resumed>) = 0 [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(17 [pid 992] close(22 [pid 991] close(26 [pid 995] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 994] close(20 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... unlinkat resumed>) = 0 [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(18 [pid 992] close(23 [pid 991] close(27 [pid 995] close(3 [pid 994] close(21 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(19 [pid 992] close(24 [pid 991] close(28 [pid 995] close(4 [pid 994] close(22 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(20 [pid 992] close(25 [pid 991] close(29 [pid 995] close(5 [pid 994] close(23 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(21 [pid 992] close(26 [pid 995] close(6 [pid 994] close(24 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 991] exit_group(0 [pid 995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(22 [pid 992] close(27 [pid 991] <... exit_group resumed>) = ? [pid 995] close(7 [pid 994] close(25 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] close(8) = -1 EBADF (Bad file descriptor) [pid 995] close(9) = -1 EBADF (Bad file descriptor) [pid 995] close(10) = -1 EBADF (Bad file descriptor) [pid 995] close(11 [pid 991] +++ exited with 0 +++ [pid 995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(23 [pid 992] close(28 [pid 995] close(12 [pid 994] close(26 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(24 [pid 992] close(29 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 995] close(13 [pid 994] close(27 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(25 [pid 995] close(14 [pid 994] close(28 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] exit_group(0 [pid 995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(26 [pid 995] close(15 [pid 994] close(29 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 992] <... exit_group resumed>) = ? [pid 995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(27 [pid 995] close(16) = -1 EBADF (Bad file descriptor) [pid 995] close(17) = -1 EBADF (Bad file descriptor) [pid 995] close(18) = -1 EBADF (Bad file descriptor) [pid 995] close(19) = -1 EBADF (Bad file descriptor) [pid 995] close(20) = -1 EBADF (Bad file descriptor) [pid 995] close(21) = -1 EBADF (Bad file descriptor) [pid 992] +++ exited with 0 +++ [pid 995] close(22 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 994] exit_group(0 [pid 993] close(28 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 995] close(23 [pid 994] <... exit_group resumed>) = ? [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] close(24) = -1 EBADF (Bad file descriptor) [pid 995] close(25) = -1 EBADF (Bad file descriptor) [pid 995] close(26) = -1 EBADF (Bad file descriptor) [pid 995] close(27) = -1 EBADF (Bad file descriptor) [pid 995] close(28) = -1 EBADF (Bad file descriptor) [pid 995] close(29 [pid 994] +++ exited with 0 +++ [pid 995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 993] close(29 [pid 995] exit_group(0 [pid 993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 995] <... exit_group resumed>) = ? [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 995] +++ exited with 0 +++ [pid 993] exit_group(0 [pid 312] <... restart_syscall resumed>) = 0 [pid 993] <... exit_group resumed>) = ? [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 993] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... openat resumed>) = 3 [pid 311] <... openat resumed>) = 3 [pid 312] fstat(3 [pid 311] fstat(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3 [pid 311] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 312] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./139/config" [pid 311] newfstatat(AT_FDCWD, "./134/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./139/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] openat(AT_FDCWD, "./134/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... openat resumed>) = 4 [pid 311] <... openat resumed>) = 4 [pid 312] fstat(4 [pid 311] fstat(4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4 [pid 311] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(4 [pid 311] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4 [pid 311] close(4 [pid 312] <... close resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 309] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./139/config" [pid 311] rmdir("./134/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 312] newfstatat(AT_FDCWD, "./139/binderfs" [pid 311] newfstatat(AT_FDCWD, "./134/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 312] unlink("./139/binderfs" [pid 311] unlink("./134/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... restart_syscall resumed>) = 0 [pid 312] umount2("./139/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./134/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./139/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./134/cgroup.net" [pid 309] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./139/cgroup.net" [pid 311] unlink("./134/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./131/config" [pid 313] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... openat resumed>) = 3 [pid 312] umount2("./139/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./134/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./131/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] fstat(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./139/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./134/cgroup.cpu" [pid 310] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./131/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] unlink("./139/cgroup.cpu" [pid 311] unlink("./134/cgroup.cpu" [pid 310] fstat(3 [pid 309] fstat(4 [pid 313] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 312] umount2("./139/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./134/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 313] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] getdents64(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./139/cgroup" [pid 311] newfstatat(AT_FDCWD, "./134/cgroup" [pid 310] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] newfstatat(AT_FDCWD, "./140/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./139/cgroup" [pid 311] unlink("./134/cgroup" [pid 310] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 311] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./132/config" [pid 313] openat(AT_FDCWD, "./140/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 312] close(3 [pid 311] close(3 [pid 310] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./131/config" [pid 313] fstat(4 [pid 312] <... close resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] rmdir("./139" [pid 311] rmdir("./134" [pid 310] openat(AT_FDCWD, "./132/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 313] getdents64(4 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] mkdir("./140", 0777 [pid 311] mkdir("./135", 0777 [pid 310] fstat(4 [pid 313] getdents64(4 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./131/binderfs" [pid 313] close(4 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... close resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 997 attached ci2-android-5-15/strace-static-x86_64: Process 996 attached [pid 313] rmdir("./140/config" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] unlink("./131/binderfs" [pid 997] set_robust_list(0x55555bb49760, 24 [pid 996] set_robust_list(0x55555bb49760, 24 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 142 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 137 [pid 310] close(4 [pid 997] <... set_robust_list resumed>) = 0 [pid 996] <... set_robust_list resumed>) = 0 [pid 313] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 997] rt_sigprocmask(SIG_SETMASK, [] [pid 996] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./132/config" [pid 309] umount2("./131/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 997] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 996] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] newfstatat(AT_FDCWD, "./140/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 997] chdir("./135" [pid 996] chdir("./140" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 997] <... chdir resumed>) = 0 [pid 996] <... chdir resumed>) = 0 [pid 313] unlink("./140/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./131/cgroup.net" [pid 997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./132/binderfs" [pid 997] <... prctl resumed>) = 0 [pid 996] <... prctl resumed>) = 0 [pid 313] umount2("./140/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 997] setpgid(0, 0 [pid 996] setpgid(0, 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./132/binderfs" [pid 309] unlink("./131/cgroup.net" [pid 997] <... setpgid resumed>) = 0 [pid 996] <... setpgid resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./140/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 997] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 996] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./132/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 997] <... symlink resumed>) = 0 [pid 996] <... symlink resumed>) = 0 [pid 313] unlink("./140/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 997] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 996] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./132/cgroup.net" [pid 313] <... unlink resumed>) = 0 [pid 309] umount2("./131/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 997] <... symlink resumed>) = 0 [pid 996] <... symlink resumed>) = 0 [pid 313] umount2("./140/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 997] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 996] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./132/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 997] <... symlink resumed>) = 0 [pid 996] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./140/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./131/cgroup.cpu" [pid 997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./132/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 997] <... openat resumed>) = 3 [pid 996] <... openat resumed>) = 3 [pid 313] unlink("./140/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 997] write(3, "1000", 4 [pid 996] write(3, "1000", 4 [pid 313] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./132/cgroup.cpu" [pid 309] unlink("./131/cgroup.cpu" [pid 997] <... write resumed>) = 4 [pid 996] <... write resumed>) = 4 [pid 313] umount2("./140/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 997] close(3 [pid 996] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./132/cgroup.cpu" [pid 309] <... unlink resumed>) = 0 [pid 997] <... close resumed>) = 0 [pid 996] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./140/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./131/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 997] symlink("/dev/binderfs", "./binderfs" [pid 996] symlink("/dev/binderfs", "./binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./132/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 997] <... symlink resumed>) = 0 [pid 996] <... symlink resumed>) = 0 [pid 313] unlink("./140/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 997] write(1, "executing program\n", 18 [pid 996] write(1, "executing program\n", 18 [pid 313] <... unlink resumed>) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./132/cgroup" [pid 309] newfstatat(AT_FDCWD, "./131/cgroup" [pid 997] <... write resumed>) = 18 [pid 996] <... write resumed>) = 18 [pid 313] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 997] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] unlink("./132/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 997] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 997] mount(NULL, "./config", "configfs", 0, NULL [pid 996] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] unlink("./131/cgroup" [pid 997] <... mount resumed>) = 0 [pid 996] <... mkdirat resumed>) = 0 [pid 313] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 996] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... close resumed>) = 0 [pid 310] close(3 [pid 309] getdents64(3 [pid 997] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 996] <... mount resumed>) = 0 [pid 313] rmdir("./140" [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 310] rmdir("./132" [pid 309] close(3 [pid 997] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 996] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] mkdir("./141", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] mkdir("./133", 0777 [pid 309] <... close resumed>) = 0 [pid 997] <... mkdirat resumed>) = 0 [pid 996] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... mkdir resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] rmdir("./131" [pid 997] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 997] <... symlinkat resumed>) = 0 [pid 996] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 997] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 996] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] mkdir("./132", 0777ci2-android-5-15/strace-static-x86_64: Process 999 attached ci2-android-5-15/strace-static-x86_64: Process 998 attached [pid 997] <... unlinkat resumed>) = 0 [pid 996] <... symlinkat resumed>) = 0 [pid 999] set_robust_list(0x55555bb49760, 24 [pid 998] set_robust_list(0x55555bb49760, 24 [pid 997] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 996] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 143 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 135 [pid 309] <... mkdir resumed>) = 0 [pid 999] <... set_robust_list resumed>) = 0 [pid 998] <... set_robust_list resumed>) = 0 [pid 997] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 996] <... unlinkat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 999] rt_sigprocmask(SIG_SETMASK, [] [pid 998] rt_sigprocmask(SIG_SETMASK, [] [pid 997] close(3 [pid 996] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 999] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 998] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] <... unlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 999] chdir("./141" [pid 998] chdir("./133" [pid 997] close(4 [pid 996] close(3 [pid 998] <... chdir resumed>) = 0 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 997] close(5 [pid 998] <... prctl resumed>) = 0 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1000 attached [pid 998] setpgid(0, 0 [pid 997] close(6 [pid 999] <... chdir resumed>) = 0 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] set_robust_list(0x55555bb49760, 24 [pid 999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 998] <... setpgid resumed>) = 0 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] close(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 134 [pid 1000] <... set_robust_list resumed>) = 0 [pid 999] <... prctl resumed>) = 0 [pid 998] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 997] close(7 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] rt_sigprocmask(SIG_SETMASK, [] [pid 999] setpgid(0, 0 [pid 998] <... symlink resumed>) = 0 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] close(5 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1000] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 999] <... setpgid resumed>) = 0 [pid 998] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 997] close(8 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1000] chdir("./132" [pid 999] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 998] <... symlink resumed>) = 0 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] close(6 [pid 1000] <... chdir resumed>) = 0 [pid 999] <... symlink resumed>) = 0 [pid 998] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 997] close(9 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 999] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 998] <... symlink resumed>) = 0 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... prctl resumed>) = 0 [pid 998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 997] close(10 [pid 996] close(7 [pid 1000] setpgid(0, 0 [pid 999] <... symlink resumed>) = 0 [pid 998] <... openat resumed>) = 3 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... setpgid resumed>) = 0 [pid 999] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 998] write(3, "1000", 4 [pid 997] close(11 [pid 996] close(8 [pid 1000] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 999] <... symlink resumed>) = 0 [pid 998] <... write resumed>) = 4 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... symlink resumed>) = 0 [pid 999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 998] close(3 [pid 997] close(12 [pid 996] close(9 [pid 1000] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... symlink resumed>) = 0 [pid 999] <... openat resumed>) = 3 [pid 998] <... close resumed>) = 0 [pid 997] close(13 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 999] write(3, "1000", 4 [pid 998] symlink("/dev/binderfs", "./binderfs" [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] close(10 [pid 1000] <... symlink resumed>) = 0 [pid 999] <... write resumed>) = 4 [pid 998] <... symlink resumed>) = 0 [pid 997] close(14 [pid 1000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 999] close(3 [pid 998] write(1, "executing program\n", 18 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... openat resumed>) = 3 executing program [pid 999] <... close resumed>) = 0 [pid 998] <... write resumed>) = 18 [pid 997] close(15 [pid 996] close(11 [pid 1000] write(3, "1000", 4 [pid 999] symlink("/dev/binderfs", "./binderfs" [pid 998] mkdirat(AT_FDCWD, "./config", 0777 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... write resumed>) = 4 [pid 999] <... symlink resumed>) = 0 [pid 997] close(16 [pid 1000] close(3 [pid 999] write(1, "executing program\n", 18 [pid 998] <... mkdirat resumed>) = 0 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 996] close(12 [pid 1000] <... close resumed>) = 0 [pid 999] <... write resumed>) = 18 [pid 998] mount(NULL, "./config", "configfs", 0, NULL [pid 997] close(17 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] symlink("/dev/binderfs", "./binderfs" [pid 999] mkdirat(AT_FDCWD, "./config", 0777 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... symlink resumed>) = 0 [pid 998] <... mount resumed>) = 0 [pid 997] close(18 [pid 996] close(13 [pid 1000] write(1, "executing program\n", 18 [pid 999] <... mkdirat resumed>) = 0 [pid 998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... write resumed>) = 18 executing program [pid 999] mount(NULL, "./config", "configfs", 0, NULL [pid 998] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 997] close(19 [pid 996] close(14 [pid 1000] mkdirat(AT_FDCWD, "./config", 0777 [pid 999] <... mount resumed>) = 0 [pid 998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... mkdirat resumed>) = 0 [pid 999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 998] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 997] close(20 [pid 1000] mount(NULL, "./config", "configfs", 0, NULL [pid 999] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] close(15 [pid 1000] <... mount resumed>) = 0 [pid 999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 997] close(21 [pid 1000] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 999] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 998] <... mkdirat resumed>) = 0 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 998] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 997] close(22 [pid 996] close(16 [pid 1000] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 999] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 999] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 998] <... symlinkat resumed>) = 0 [pid 997] close(23 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 999] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 998] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] close(17 [pid 1000] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 999] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 998] <... unlinkat resumed>) = 0 [pid 997] close(24 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 999] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 998] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] close(18 [pid 1000] <... symlinkat resumed>) = 0 [pid 999] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 998] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 997] close(25 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 999] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 998] close(3 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] close(19 [pid 1000] <... unlinkat resumed>) = 0 [pid 999] close(3 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 997] close(26 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(4 [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] close(20 [pid 997] close(27 [pid 1000] <... unlinkat resumed>) = 0 [pid 999] close(4 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] close(3 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(5 [pid 997] close(28 [pid 996] close(21 [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] close(5 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] close(4 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(6 [pid 997] close(29 [pid 996] close(22 [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] close(6 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] close(5 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(7 [pid 997] exit_group(0 [pid 996] close(23 [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] close(7 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 997] <... exit_group resumed>) = ? [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] close(6 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(8 [pid 997] +++ exited with 0 +++ [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] close(8 [pid 996] close(24 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1000] close(7 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(9 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] close(9 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] close(25 [pid 1000] close(8 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(10 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] close(10 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] close(26 [pid 1000] close(9 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(11 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] close(11 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] close(27 [pid 1000] close(10 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(12 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] close(12 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] close(28 [pid 1000] close(11 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(13 [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] close(13 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] close(12 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(14 [pid 996] close(29 [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] close(14 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] close(13 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(15 [pid 996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] close(15 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] close(14 [pid 996] exit_group(0 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] close(16 [pid 998] close(16 [pid 996] <... exit_group resumed>) = ? [pid 1000] close(15 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 996] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 999] close(17 [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(17 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1000] close(16 [pid 999] close(18 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(18 [pid 1000] close(17 [pid 999] close(19 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(19 [pid 1000] close(18 [pid 999] close(20 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(20 [pid 1000] close(19 [pid 999] close(21 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(21 [pid 1000] close(20 [pid 999] close(22 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(22 [pid 1000] close(21 [pid 999] close(23 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(23 [pid 1000] close(22 [pid 999] close(24 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(24 [pid 1000] close(23 [pid 999] close(25 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(25 [pid 1000] close(24 [pid 999] close(26 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(26 [pid 1000] close(25 [pid 999] close(27 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(27 [pid 1000] close(26 [pid 999] close(28 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] close(27 [pid 998] close(28 [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] close(29 [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] close(28 [pid 999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] close(29 [pid 1000] close(29 [pid 999] exit_group(0 [pid 1000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 999] <... exit_group resumed>) = ? [pid 1000] exit_group(0 [pid 998] exit_group(0 [pid 999] +++ exited with 0 +++ [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1000] <... exit_group resumed>) = ? [pid 998] <... exit_group resumed>) = ? [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1000] +++ exited with 0 +++ [pid 311] <... restart_syscall resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 311] fstat(3 [pid 998] +++ exited with 0 +++ [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... openat resumed>) = 3 [pid 311] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 313] <... openat resumed>) = 3 [pid 312] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 313] fstat(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./135/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 313] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = 0 [pid 311] openat(AT_FDCWD, "./135/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... umount2 resumed>) = 0 [pid 312] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = 0 [pid 313] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(4 [pid 310] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./140/config" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./141/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./133/config" [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 310] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./140/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] openat(AT_FDCWD, "./141/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... openat resumed>) = 4 [pid 311] close(4 [pid 310] openat(AT_FDCWD, "./133/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... openat resumed>) = 4 [pid 312] fstat(4 [pid 311] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] fstat(4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] rmdir("./135/config" [pid 310] fstat(4 [pid 309] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] <... openat resumed>) = 3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] fstat(3 [pid 313] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./135/binderfs" [pid 310] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] close(4 [pid 312] <... close resumed>) = 0 [pid 311] unlink("./135/binderfs" [pid 310] close(4 [pid 309] getdents64(3 [pid 313] <... close resumed>) = 0 [pid 312] rmdir("./140/config" [pid 311] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 313] rmdir("./141/config" [pid 312] <... rmdir resumed>) = 0 [pid 311] umount2("./135/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./133/config" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... rmdir resumed>) = 0 [pid 312] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./135/cgroup.net" [pid 310] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./140/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./141/binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./135/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./140/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./133/binderfs" [pid 313] unlink("./141/binderfs" [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./135/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./140/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./141/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./135/cgroup.cpu" [pid 310] unlink("./133/binderfs" [pid 309] newfstatat(AT_FDCWD, "./132/config" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./140/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] newfstatat(AT_FDCWD, "./141/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./135/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./140/cgroup.net" [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./133/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./132/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] unlink("./141/cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./135/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./140/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./141/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./135/cgroup" [pid 310] newfstatat(AT_FDCWD, "./133/cgroup.net" [pid 309] openat(AT_FDCWD, "./132/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./140/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] newfstatat(AT_FDCWD, "./141/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./135/cgroup" [pid 310] unlink("./133/cgroup.net" [pid 309] <... openat resumed>) = 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./140/cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 313] unlink("./141/cgroup.cpu" [pid 311] getdents64(3 [pid 312] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./140/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./133/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] close(3) = 0 [pid 311] rmdir("./135" [pid 313] umount2("./141/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 311] mkdir("./136", 0777) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1001 attached [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./140/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1001] set_robust_list(0x55555bb49760, 24 [pid 313] newfstatat(AT_FDCWD, "./141/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 138 [pid 310] newfstatat(AT_FDCWD, "./133/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1001] <... set_robust_list resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./140/cgroup" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1001] rt_sigprocmask(SIG_SETMASK, [] [pid 313] unlink("./141/cgroup" [pid 312] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1001] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(3 [pid 310] unlink("./133/cgroup.cpu" [pid 309] close(4 [pid 1001] chdir("./136" [pid 313] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 312] close(3 [pid 309] <... close resumed>) = 0 [pid 1001] <... chdir resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... close resumed>) = 0 [pid 310] umount2("./133/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] close(3 [pid 312] rmdir("./140" [pid 309] rmdir("./132/config" [pid 1001] <... prctl resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] rmdir("./141" [pid 312] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./133/cgroup" [pid 1001] setpgid(0, 0 [pid 313] <... rmdir resumed>) = 0 [pid 309] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] mkdir("./141", 0777 [pid 1001] <... setpgid resumed>) = 0 [pid 313] mkdir("./142", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1001] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 312] <... mkdir resumed>) = 0 [pid 310] unlink("./133/cgroup" [pid 309] newfstatat(AT_FDCWD, "./132/binderfs" [pid 313] <... mkdir resumed>) = 0 [pid 1001] <... symlink resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1001] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(3 [pid 309] unlink("./132/binderfs" [pid 1001] <... symlink resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1001] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 309] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1002 attached [pid 1002] set_robust_list(0x55555bb49760, 24) = 0 [pid 1002] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1003 attached [pid 1002] chdir("./142" [pid 310] close(3 [pid 309] umount2("./132/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1003] set_robust_list(0x55555bb49760, 24 [pid 1002] <... chdir resumed>) = 0 [pid 1001] <... symlink resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 144 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 143 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1003] <... set_robust_list resumed>) = 0 [pid 1002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./133" [pid 1003] rt_sigprocmask(SIG_SETMASK, [] [pid 1002] <... prctl resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./132/cgroup.net" [pid 1003] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1002] setpgid(0, 0 [pid 1001] <... openat resumed>) = 3 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1003] chdir("./141" [pid 1002] <... setpgid resumed>) = 0 [pid 1001] write(3, "1000", 4 [pid 310] mkdir("./134", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1003] <... chdir resumed>) = 0 [pid 1002] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1001] <... write resumed>) = 4 [pid 1003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1002] <... symlink resumed>) = 0 [pid 1001] close(3 [pid 310] <... mkdir resumed>) = 0 [pid 309] unlink("./132/cgroup.net" [pid 1003] <... prctl resumed>) = 0 [pid 1002] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1001] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1003] setpgid(0, 0 [pid 1002] <... symlink resumed>) = 0 [pid 1001] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1003] <... setpgid resumed>) = 0 [pid 1002] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1003] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1002] <... symlink resumed>) = 0 [pid 1001] <... symlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./132/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1003] <... symlink resumed>) = 0 [pid 1002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1001] write(1, "executing program\n", 18 [pid 1002] <... openat resumed>) = 3 [pid 1002] write(3, "1000", 4) = 4 [pid 1002] close(3ci2-android-5-15/strace-static-x86_64: Process 1004 attached ) = 0 executing program [pid 1003] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1001] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1004] set_robust_list(0x55555bb49760, 24 [pid 1002] symlink("/dev/binderfs", "./binderfs" [pid 1004] <... set_robust_list resumed>) = 0 [pid 1003] <... symlink resumed>) = 0 [pid 1002] <... symlink resumed>) = 0 [pid 1001] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 136 [pid 309] newfstatat(AT_FDCWD, "./132/cgroup.cpu" [pid 1004] rt_sigprocmask(SIG_SETMASK, [] [pid 1003] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1002] write(1, "executing program\n", 18 [pid 1004] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1002] <... write resumed>) = 18 executing program [pid 1001] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1004] chdir("./134" [pid 1003] <... symlink resumed>) = 0 [pid 1002] mkdirat(AT_FDCWD, "./config", 0777 [pid 1001] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./132/cgroup.cpu" [pid 1004] <... chdir resumed>) = 0 [pid 1003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1002] <... mkdirat resumed>) = 0 [pid 1004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1002] mount(NULL, "./config", "configfs", 0, NULL [pid 1001] <... mount resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1004] <... prctl resumed>) = 0 [pid 1003] <... openat resumed>) = 3 [pid 1002] <... mount resumed>) = 0 [pid 1001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./132/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1004] setpgid(0, 0 [pid 1003] write(3, "1000", 4 [pid 1002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1001] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1004] <... setpgid resumed>) = 0 [pid 1003] <... write resumed>) = 4 [pid 1002] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1004] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1003] close(3 [pid 1002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1001] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./132/cgroup" [pid 1004] <... symlink resumed>) = 0 [pid 1003] <... close resumed>) = 0 [pid 1002] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1004] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1003] symlink("/dev/binderfs", "./binderfs" [pid 1002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1004] <... symlink resumed>) = 0 [pid 1003] <... symlink resumed>) = 0 [pid 1002] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1001] <... mkdirat resumed>) = 0 [pid 309] unlink("./132/cgroup" [pid 1004] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1003] write(1, "executing program\n", 18 executing program [pid 1002] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1001] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1004] <... symlink resumed>) = 0 [pid 1003] <... write resumed>) = 18 [pid 1002] <... symlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1003] mkdirat(AT_FDCWD, "./config", 0777 [pid 1002] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1001] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(3 [pid 1004] <... openat resumed>) = 3 [pid 1003] <... mkdirat resumed>) = 0 [pid 1002] <... unlinkat resumed>) = 0 [pid 1001] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1004] write(3, "1000", 4 [pid 1003] mount(NULL, "./config", "configfs", 0, NULL [pid 1002] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1001] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] close(3 [pid 1004] <... write resumed>) = 4 [pid 1003] <... mount resumed>) = 0 [pid 1002] <... unlinkat resumed>) = 0 [pid 1001] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1004] close(3 [pid 1003] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1002] close(3 [pid 309] <... close resumed>) = 0 [pid 1001] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1004] <... close resumed>) = 0 [pid 1003] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] close(3 [pid 309] rmdir("./132" [pid 1004] symlink("/dev/binderfs", "./binderfs" [pid 1003] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1002] close(4 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1004] <... symlink resumed>) = 0 [pid 1003] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] close(4 [pid 309] <... rmdir resumed>) = 0 [pid 1004] write(1, "executing program\n", 18 [pid 1003] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1002] close(5 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./133", 0777 [pid 1004] <... write resumed>) = 18 [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1004] mkdirat(AT_FDCWD, "./config", 0777 [pid 1003] <... mkdirat resumed>) = 0 [pid 1002] close(6 [pid 1001] close(5 [pid 1004] <... mkdirat resumed>) = 0 [pid 1003] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1004] mount(NULL, "./config", "configfs", 0, NULL [pid 1003] <... symlinkat resumed>) = 0 [pid 1002] close(7 [pid 1001] close(6 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1004] <... mount resumed>) = 0 [pid 1003] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1004] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1003] <... unlinkat resumed>) = 0 [pid 1002] close(8 [pid 1001] close(7 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1004] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1003] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1004] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1002] close(9 [pid 1004] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1005 attached [pid 1004] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1002] close(10 [pid 1005] set_robust_list(0x55555bb49760, 24 [pid 1004] <... mkdirat resumed>) = 0 [pid 1003] <... unlinkat resumed>) = 0 [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] close(8 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 135 [pid 1005] <... set_robust_list resumed>) = 0 [pid 1004] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1003] close(3 [pid 1002] close(11 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] rt_sigprocmask(SIG_SETMASK, [] [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1005] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1004] <... symlinkat resumed>) = 0 [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] close(12 [pid 1001] close(9 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1005] chdir("./133" [pid 1004] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1003] close(4 [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] <... chdir resumed>) = 0 [pid 1004] <... unlinkat resumed>) = 0 [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] close(13 [pid 1001] close(10 [pid 1005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1004] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1003] close(5 [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] <... prctl resumed>) = 0 [pid 1002] close(14 [pid 1005] setpgid(0, 0 [pid 1004] <... unlinkat resumed>) = 0 [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] close(11 [pid 1005] <... setpgid resumed>) = 0 [pid 1004] close(3 [pid 1003] close(6 [pid 1002] close(15 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] close(12 [pid 1005] <... symlink resumed>) = 0 [pid 1004] close(4 [pid 1003] close(7 [pid 1002] close(16 [pid 1005] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] <... symlink resumed>) = 0 [pid 1004] close(5 [pid 1003] close(8 [pid 1002] close(17 [pid 1001] close(13 [pid 1005] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] <... symlink resumed>) = 0 [pid 1004] close(6 [pid 1003] close(9 [pid 1002] close(18 [pid 1001] close(14 [pid 1005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] <... openat resumed>) = 3 [pid 1004] close(7 [pid 1003] close(10 [pid 1002] close(19 [pid 1001] close(15 [pid 1005] write(3, "1000", 4 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] <... write resumed>) = 4 [pid 1004] close(8 [pid 1003] close(11 [pid 1002] close(20 [pid 1001] close(16 [pid 1005] close(3 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] <... close resumed>) = 0 [pid 1004] close(9 [pid 1003] close(12 [pid 1002] close(21 [pid 1001] close(17 [pid 1005] symlink("/dev/binderfs", "./binderfs" [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] <... symlink resumed>) = 0 [pid 1004] close(10 [pid 1003] close(13 [pid 1002] close(22 executing program [pid 1001] close(18 [pid 1005] write(1, "executing program\n", 18 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] <... write resumed>) = 18 [pid 1004] close(11 [pid 1003] close(14 [pid 1002] close(23 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] mkdirat(AT_FDCWD, "./config", 0777 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] close(19 [pid 1005] <... mkdirat resumed>) = 0 [pid 1004] close(12 [pid 1003] close(15 [pid 1002] close(24 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] mount(NULL, "./config", "configfs", 0, NULL [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] close(20 [pid 1005] <... mount resumed>) = 0 [pid 1004] close(13 [pid 1003] close(16 [pid 1002] close(25 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] close(21 [pid 1005] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1004] close(14 [pid 1003] close(17 [pid 1002] close(26 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] close(22 [pid 1005] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1004] close(15 [pid 1003] close(18 [pid 1002] close(27 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] <... mkdirat resumed>) = 0 [pid 1004] close(16 [pid 1003] close(19 [pid 1002] close(28 [pid 1001] close(23 [pid 1005] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] <... symlinkat resumed>) = 0 [pid 1004] close(17 [pid 1003] close(20 [pid 1002] close(29 [pid 1001] close(24 [pid 1005] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] <... unlinkat resumed>) = 0 [pid 1004] close(18 [pid 1003] close(21 [pid 1002] exit_group(0 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1002] <... exit_group resumed>) = ? [pid 1001] close(25 [pid 1005] <... unlinkat resumed>) = 0 [pid 1004] close(19 [pid 1003] close(22 [pid 1002] +++ exited with 0 +++ [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] close(3 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] close(26 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1004] close(20 [pid 1003] close(23 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] close(4 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] close(27 [pid 1005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1004] close(21 [pid 1003] close(24 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] close(5 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] close(28 [pid 313] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1004] close(22 [pid 1003] close(25 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] close(6 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1004] close(23 [pid 1003] close(26 [pid 1001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1005] close(7 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1004] close(24 [pid 1003] close(27 [pid 1001] exit_group(0 [pid 313] <... openat resumed>) = 3 [pid 1005] close(8 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1001] <... exit_group resumed>) = ? [pid 1005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1004] close(25 [pid 1003] close(28 [pid 313] fstat(3 [pid 1005] close(9) = -1 EBADF (Bad file descriptor) [pid 1005] close(10) = -1 EBADF (Bad file descriptor) [pid 1005] close(11) = -1 EBADF (Bad file descriptor) [pid 1005] close(12) = -1 EBADF (Bad file descriptor) [pid 1001] +++ exited with 0 +++ [pid 1005] close(13 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1004] close(26 [pid 1003] close(29 [pid 313] getdents64(3 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1005] close(14 [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1004] close(27 [pid 1005] close(15 [pid 1003] exit_group(0 [pid 313] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1003] <... exit_group resumed>) = ? [pid 1005] close(16 [pid 1004] close(28 [pid 313] <... umount2 resumed>) = 0 [pid 1005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1005] close(17) = -1 EBADF (Bad file descriptor) [pid 1005] close(18) = -1 EBADF (Bad file descriptor) [pid 1005] close(19) = -1 EBADF (Bad file descriptor) [pid 1005] close(20) = -1 EBADF (Bad file descriptor) [pid 1005] close(21) = -1 EBADF (Bad file descriptor) [pid 1003] +++ exited with 0 +++ [pid 1005] close(22) = -1 EBADF (Bad file descriptor) [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1005] close(23 [pid 1004] close(29 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1005] close(24 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1004] exit_group(0 [pid 313] newfstatat(AT_FDCWD, "./142/config" [pid 1005] close(25 [pid 1004] <... exit_group resumed>) = ? [pid 1005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1005] close(26) = -1 EBADF (Bad file descriptor) [pid 1005] close(27) = -1 EBADF (Bad file descriptor) [pid 1005] close(28) = -1 EBADF (Bad file descriptor) [pid 1005] close(29) = -1 EBADF (Bad file descriptor) [pid 1004] +++ exited with 0 +++ [pid 1005] exit_group(0 [pid 313] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1005] <... exit_group resumed>) = ? [pid 1005] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... restart_syscall resumed>) = 0 [pid 313] openat(AT_FDCWD, "./142/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... openat resumed>) = 4 [pid 311] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] fstat(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] getdents64(4 [pid 311] <... openat resumed>) = 3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] fstat(3 [pid 313] getdents64(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] getdents64(3 [pid 313] close(4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... close resumed>) = 0 [pid 311] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] rmdir("./142/config" [pid 311] <... umount2 resumed>) = 0 [pid 311] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./136/config" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] newfstatat(AT_FDCWD, "./142/binderfs" [pid 311] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] unlink("./142/binderfs" [pid 311] openat(AT_FDCWD, "./136/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 313] umount2("./142/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] newfstatat(AT_FDCWD, "./142/cgroup.net" [pid 311] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 313] unlink("./142/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] close(4 [pid 313] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 313] umount2("./142/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./136/config" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./142/cgroup.cpu" [pid 311] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] unlink("./142/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./136/binderfs" [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./142/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./136/binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./142/cgroup" [pid 311] umount2("./136/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] unlink("./142/cgroup" [pid 311] newfstatat(AT_FDCWD, "./136/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] unlink("./136/cgroup.net" [pid 313] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] umount2("./136/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... close resumed>) = 0 [pid 312] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./136/cgroup.cpu" [pid 313] rmdir("./142" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./136/cgroup.cpu" [pid 309] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] mkdir("./143", 0777 [pid 312] <... openat resumed>) = 3 [pid 311] <... unlink resumed>) = 0 [pid 311] umount2("./136/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... mkdir resumed>) = 0 [pid 312] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./136/cgroup" [pid 309] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] unlink("./136/cgroup" [pid 309] <... openat resumed>) = 3 [pid 311] <... unlink resumed>) = 0 [pid 311] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] close(3) = 0 [pid 311] rmdir("./136"ci2-android-5-15/strace-static-x86_64: Process 1006 attached [pid 312] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] fstat(3 [pid 1006] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 145 [pid 312] <... umount2 resumed>) = 0 [pid 311] mkdir("./137", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1006] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... mkdir resumed>) = 0 [pid 1006] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 1006] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./141/config" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1006] chdir("./143" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1007 attached [pid 1006] <... chdir resumed>) = 0 [pid 312] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1007] set_robust_list(0x55555bb49760, 24 [pid 1006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 139 [pid 1007] <... set_robust_list resumed>) = 0 [pid 1006] <... prctl resumed>) = 0 [pid 312] openat(AT_FDCWD, "./141/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = 0 [pid 1007] rt_sigprocmask(SIG_SETMASK, [] [pid 1006] setpgid(0, 0 [pid 312] <... openat resumed>) = 4 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(3 [pid 309] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1007] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1006] <... setpgid resumed>) = 0 [pid 312] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1007] chdir("./137" [pid 1006] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1007] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 1006] <... symlink resumed>) = 0 [pid 312] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] newfstatat(AT_FDCWD, "./133/config" [pid 1007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1006] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1007] <... prctl resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1006] <... symlink resumed>) = 0 [pid 312] getdents64(4 [pid 309] umount2("./133/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1007] setpgid(0, 0 [pid 1006] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1007] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1006] <... symlink resumed>) = 0 [pid 312] close(4 [pid 310] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1007] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 309] openat(AT_FDCWD, "./133/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... close resumed>) = 0 [pid 1006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1007] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 312] rmdir("./141/config" [pid 310] newfstatat(AT_FDCWD, "./134/config" [pid 1007] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1006] <... openat resumed>) = 3 [pid 312] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 1007] <... symlink resumed>) = 0 [pid 312] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1007] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1006] write(3, "1000", 4 [pid 310] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1007] <... symlink resumed>) = 0 [pid 1006] <... write resumed>) = 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1006] close(3 [pid 312] newfstatat(AT_FDCWD, "./141/binderfs" [pid 310] openat(AT_FDCWD, "./134/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 1007] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 312] unlink("./141/binderfs" [pid 310] fstat(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1007] write(3, "1000", 4 [pid 1006] <... close resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] getdents64(4 [pid 1007] <... write resumed>) = 4 [pid 1006] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(4 [pid 1007] close(3 [pid 312] umount2("./141/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1007] <... close resumed>) = 0 [pid 1006] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1007] symlink("/dev/binderfs", "./binderfs" [pid 1006] write(1, "executing program\n", 18 [pid 312] newfstatat(AT_FDCWD, "./141/cgroup.net" [pid 310] getdents64(4 [pid 309] close(4 [pid 1007] <... symlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 executing program [pid 1007] write(1, "executing program\n", 18 [pid 1006] <... write resumed>) = 18 [pid 312] unlink("./141/cgroup.net" [pid 310] close(4 [pid 309] <... close resumed>) = 0 [pid 1007] <... write resumed>) = 18 [pid 1006] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] rmdir("./133/config" [pid 1007] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] umount2("./141/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1006] <... mkdirat resumed>) = 0 [pid 310] rmdir("./134/config" [pid 309] <... rmdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1007] <... mkdirat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./141/cgroup.cpu" [pid 310] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1007] mount(NULL, "./config", "configfs", 0, NULL [pid 1006] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./133/binderfs" [pid 1007] <... mount resumed>) = 0 [pid 312] unlink("./141/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./134/binderfs" [pid 1006] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./133/binderfs" [pid 1007] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1006] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] umount2("./141/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./134/binderfs" [pid 1007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1007] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1006] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] newfstatat(AT_FDCWD, "./141/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./133/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./134/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1007] <... mkdirat resumed>) = 0 [pid 312] unlink("./141/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1007] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1006] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./133/cgroup.net" [pid 1007] <... symlinkat resumed>) = 0 [pid 312] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./134/cgroup.net" [pid 1007] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1006] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1007] <... unlinkat resumed>) = 0 [pid 312] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1006] <... symlinkat resumed>) = 0 [pid 309] unlink("./133/cgroup.net" [pid 1007] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1006] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... close resumed>) = 0 [pid 310] unlink("./134/cgroup.net" [pid 1007] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 309] <... unlink resumed>) = 0 [pid 1006] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./133/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1007] close(3 [pid 1006] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] rmdir("./141" [pid 310] umount2("./134/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1006] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./133/cgroup.cpu" [pid 312] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./134/cgroup.cpu" [pid 1007] close(4 [pid 1006] close(3 [pid 312] mkdir("./142", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1007] close(5 [pid 1006] close(4 [pid 312] <... mkdir resumed>) = 0 [pid 310] unlink("./134/cgroup.cpu" [pid 309] unlink("./133/cgroup.cpu" [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... unlink resumed>) = 0 [pid 1007] close(6 [pid 1006] close(5 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./134/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./133/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1007] close(7 [pid 1006] close(6ci2-android-5-15/strace-static-x86_64: Process 1008 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] set_robust_list(0x55555bb49760, 24 [pid 1007] close(8 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 144 [pid 310] newfstatat(AT_FDCWD, "./134/cgroup" [pid 309] newfstatat(AT_FDCWD, "./133/cgroup" [pid 1008] <... set_robust_list resumed>) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(7 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1008] rt_sigprocmask(SIG_SETMASK, [] [pid 1007] close(9 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1008] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(8 [pid 310] unlink("./134/cgroup" [pid 309] unlink("./133/cgroup" [pid 1008] chdir("./142" [pid 1007] close(10 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1008] <... chdir resumed>) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(9 [pid 310] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 1008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1007] close(11 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1008] <... prctl resumed>) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(10 [pid 310] close(3 [pid 309] getdents64(3 [pid 1008] setpgid(0, 0 [pid 1007] close(12 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1008] <... setpgid resumed>) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(11 [pid 310] rmdir("./134" [pid 309] close(3 [pid 1008] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1007] close(13 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... symlink resumed>) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(12 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1008] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1007] close(14 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./135", 0777 [pid 309] rmdir("./133" [pid 1008] <... symlink resumed>) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(13 [pid 1008] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1007] close(15 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1008] <... symlink resumed>) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(14 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] mkdir("./134", 0777 [pid 1008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1007] close(16 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1008] <... openat resumed>) = 3 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(15 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... mkdir resumed>) = 0 [pid 1008] write(3, "1000", 4 [pid 1007] close(17 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... write resumed>) = 4 [pid 1008] close(3) = 0 [pid 1008] symlink("/dev/binderfs", "./binderfs"ci2-android-5-15/strace-static-x86_64: Process 1009 attached ) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(16 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1009] set_robust_list(0x55555bb49760, 24 [pid 1008] write(1, "executing program\n", 18 [pid 1007] close(18 executing program [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 137 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1009] <... set_robust_list resumed>) = 0 [pid 1008] <... write resumed>) = 18 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(17 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1009] rt_sigprocmask(SIG_SETMASK, [] [pid 1008] mkdirat(AT_FDCWD, "./config", 0777 [pid 1007] close(19 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1009] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1008] <... mkdirat resumed>) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(18 [pid 1009] chdir("./135" [pid 1008] mount(NULL, "./config", "configfs", 0, NULL [pid 1009] <... chdir resumed>) = 0 [pid 1008] <... mount resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1010 attached [pid 1009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1007] close(20 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 136 [pid 1010] set_robust_list(0x55555bb49760, 24 [pid 1009] <... prctl resumed>) = 0 [pid 1008] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(19 [pid 1010] <... set_robust_list resumed>) = 0 [pid 1009] setpgid(0, 0 [pid 1008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1007] close(21 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1010] rt_sigprocmask(SIG_SETMASK, [] [pid 1009] <... setpgid resumed>) = 0 [pid 1008] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(20 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1010] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1009] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1007] close(22 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] chdir("./134" [pid 1009] <... symlink resumed>) = 0 [pid 1008] <... mkdirat resumed>) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(21 [pid 1010] <... chdir resumed>) = 0 [pid 1009] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1008] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1007] close(23 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1009] <... symlink resumed>) = 0 [pid 1008] <... symlinkat resumed>) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(22 [pid 1010] <... prctl resumed>) = 0 [pid 1009] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1008] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1007] close(24 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] setpgid(0, 0 [pid 1009] <... symlink resumed>) = 0 [pid 1008] <... unlinkat resumed>) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(23 [pid 1010] <... setpgid resumed>) = 0 [pid 1009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1008] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1007] close(25 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1009] <... openat resumed>) = 3 [pid 1008] <... unlinkat resumed>) = 0 [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(24 [pid 1010] <... symlink resumed>) = 0 [pid 1009] write(3, "1000", 4 [pid 1008] close(3 [pid 1007] close(26 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1009] <... write resumed>) = 4 [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(25 [pid 1010] <... symlink resumed>) = 0 [pid 1009] close(3 [pid 1008] close(4 [pid 1007] close(27 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1009] <... close resumed>) = 0 [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(26 [pid 1010] <... symlink resumed>) = 0 [pid 1009] symlink("/dev/binderfs", "./binderfs" [pid 1008] close(5 [pid 1007] close(28 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1009] <... symlink resumed>) = 0 [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(27 [pid 1010] <... openat resumed>) = 3 [pid 1009] write(1, "executing program\n", 18 executing program [pid 1008] close(6 [pid 1007] close(29 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] write(3, "1000", 4 [pid 1009] <... write resumed>) = 18 [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1007] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] close(28 [pid 1010] <... write resumed>) = 4 [pid 1009] mkdirat(AT_FDCWD, "./config", 0777 [pid 1008] close(7 [pid 1010] close(3 [pid 1009] <... mkdirat resumed>) = 0 [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1007] exit_group(0 [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... close resumed>) = 0 [pid 1009] mount(NULL, "./config", "configfs", 0, NULL [pid 1008] close(8 [pid 1007] <... exit_group resumed>) = ? [pid 1006] close(29 [pid 1010] symlink("/dev/binderfs", "./binderfs" [pid 1009] <... mount resumed>) = 0 [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1008] close(9 [pid 1009] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1008] close(10 [pid 1009] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1008] close(11 [pid 1007] +++ exited with 0 +++ [pid 1006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... symlink resumed>) = 0 [pid 1009] <... mkdirat resumed>) = 0 [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1006] exit_group(0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1010] write(1, "executing program\n", 18 executing program [pid 1009] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1008] close(12 [pid 1006] <... exit_group resumed>) = ? [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1010] <... write resumed>) = 18 [pid 1009] <... symlinkat resumed>) = 0 [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1008] close(13 [pid 1009] <... unlinkat resumed>) = 0 [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1008] close(14 [pid 1006] +++ exited with 0 +++ [pid 1010] mkdirat(AT_FDCWD, "./config", 0777 [pid 1009] <... unlinkat resumed>) = 0 [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(3 [pid 1008] close(15 [pid 1010] <... mkdirat resumed>) = 0 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(4 [pid 1008] close(16 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] mount(NULL, "./config", "configfs", 0, NULL [pid 1009] close(5 [pid 1008] close(17 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1010] <... mount resumed>) = 0 [pid 1009] close(6 [pid 1008] close(18 [pid 1010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1009] close(7 [pid 1008] close(19 [pid 1010] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1009] close(8 [pid 1008] close(20 [pid 1010] <... mkdirat resumed>) = 0 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1009] close(9 [pid 1008] close(21 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... symlinkat resumed>) = 0 [pid 1009] close(10 [pid 1008] close(22 [pid 1010] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... unlinkat resumed>) = 0 [pid 1009] close(11 [pid 1008] close(23 [pid 1010] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(12 [pid 1008] close(24 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... unlinkat resumed>) = 0 [pid 1009] close(13 [pid 1008] close(25 [pid 1010] close(3 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(14 [pid 1008] close(26 [pid 1010] close(4 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(15 [pid 1008] close(27 [pid 1010] close(5 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(16 [pid 1008] close(28 [pid 1010] close(6 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(17 [pid 1008] close(29 [pid 1010] close(7 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(18 [pid 1008] exit_group(0 [pid 1010] close(8 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1008] <... exit_group resumed>) = ? [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(19 [pid 1008] +++ exited with 0 +++ [pid 1010] close(9 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(20 [pid 1010] close(10 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(21 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1010] close(11 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(22 [pid 312] <... restart_syscall resumed>) = 0 [pid 1010] close(12 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(23 [pid 1010] close(13 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(24 [pid 312] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1010] close(14 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1010] close(15 [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] close(26 [pid 312] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1010] close(16 [pid 1009] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... openat resumed>) = 3 [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] fstat(3 [pid 1010] close(17 [pid 1009] close(28) = -1 EBADF (Bad file descriptor) [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1010] close(18 [pid 1009] close(29 [pid 313] fstat(3 [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3 [pid 311] <... restart_syscall resumed>) = 0 [pid 1010] close(19 [pid 1009] exit_group(0 [pid 313] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1009] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1010] close(20 [pid 1009] +++ exited with 0 +++ [pid 313] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1010] close(21 [pid 313] <... umount2 resumed>) = 0 [pid 312] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1010] close(22 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./142/config" [pid 311] fstat(3 [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./143/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1010] close(23 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1010] close(24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./142/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./143/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... openat resumed>) = 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 1010] close(25 [pid 313] <... openat resumed>) = 4 [pid 312] fstat(4 [pid 311] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1010] close(26 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./137/config" [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1010] close(27 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(4 [pid 311] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1010] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4 [pid 311] openat(AT_FDCWD, "./137/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] <... close resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 1010] close(29 [pid 313] <... close resumed>) = 0 [pid 312] rmdir("./142/config" [pid 311] fstat(4 [pid 310] <... openat resumed>) = 3 [pid 1010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./143/config" [pid 312] <... rmdir resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] fstat(3 [pid 1010] exit_group(0 [pid 313] <... rmdir resumed>) = 0 [pid 312] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1010] <... exit_group resumed>) = ? [pid 313] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./142/binderfs" [pid 311] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] unlink("./142/binderfs" [pid 311] close(4 [pid 1010] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] newfstatat(AT_FDCWD, "./143/binderfs" [pid 312] umount2("./142/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./137/config" [pid 310] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 313] unlink("./143/binderfs" [pid 312] newfstatat(AT_FDCWD, "./142/cgroup.net" [pid 311] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./143/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./142/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./137/binderfs" [pid 310] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./143/cgroup.net" [pid 312] umount2("./142/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./137/binderfs" [pid 310] newfstatat(AT_FDCWD, "./135/config" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 313] unlink("./143/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./142/cgroup.cpu" [pid 311] umount2("./137/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./143/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./142/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./137/cgroup.net" [pid 310] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] newfstatat(AT_FDCWD, "./143/cgroup.cpu" [pid 312] umount2("./142/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./137/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./135/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] unlink("./143/cgroup.cpu" [pid 312] newfstatat(AT_FDCWD, "./142/cgroup" [pid 311] umount2("./137/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 313] umount2("./143/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./142/cgroup" [pid 311] newfstatat(AT_FDCWD, "./137/cgroup.cpu" [pid 310] fstat(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] newfstatat(AT_FDCWD, "./143/cgroup" [pid 312] getdents64(3 [pid 311] unlink("./137/cgroup.cpu" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 313] unlink("./143/cgroup" [pid 312] close(3 [pid 311] umount2("./137/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] getdents64(3 [pid 312] rmdir("./142" [pid 311] newfstatat(AT_FDCWD, "./137/cgroup" [pid 310] getdents64(4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] close(3 [pid 312] mkdir("./143", 0777 [pid 311] unlink("./137/cgroup" [pid 310] close(4 [pid 313] <... close resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 313] rmdir("./143" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./135/config" [pid 313] mkdir("./144", 0777 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] close(3ci2-android-5-15/strace-static-x86_64: Process 1011 attached [pid 313] <... mkdir resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1011] set_robust_list(0x55555bb49760, 24 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 145 [pid 311] rmdir("./137" [pid 310] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1011] <... set_robust_list resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rmdir resumed>) = 0 [pid 1011] rt_sigprocmask(SIG_SETMASK, [] [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] mkdir("./138", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1011] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1013 attached ci2-android-5-15/strace-static-x86_64: Process 1012 attached [pid 1011] chdir("./143" [pid 310] newfstatat(AT_FDCWD, "./135/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 1013] set_robust_list(0x55555bb49760, 24 [pid 1012] set_robust_list(0x55555bb49760, 24 [pid 1011] <... chdir resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 146 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 140 [pid 1013] <... set_robust_list resumed>) = 0 [pid 1012] <... set_robust_list resumed>) = 0 [pid 1011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1013] rt_sigprocmask(SIG_SETMASK, [] [pid 1012] rt_sigprocmask(SIG_SETMASK, [] [pid 1011] <... prctl resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./135/binderfs" [pid 1013] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1012] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1011] setpgid(0, 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1013] chdir("./138" [pid 1012] chdir("./144" [pid 1011] <... setpgid resumed>) = 0 [pid 310] umount2("./135/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1013] <... chdir resumed>) = 0 [pid 1012] <... chdir resumed>) = 0 [pid 1011] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1012] <... prctl resumed>) = 0 [pid 1011] <... symlink resumed>) = 0 [pid 1013] <... prctl resumed>) = 0 [pid 309] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./135/cgroup.net" [pid 1013] setpgid(0, 0 [pid 1012] setpgid(0, 0 [pid 1011] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 309] <... openat resumed>) = 3 [pid 1013] <... setpgid resumed>) = 0 [pid 1012] <... setpgid resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1013] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1012] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1011] <... symlink resumed>) = 0 [pid 310] unlink("./135/cgroup.net" [pid 309] fstat(3 [pid 1013] <... symlink resumed>) = 0 [pid 1012] <... symlink resumed>) = 0 [pid 1011] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1013] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1012] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1013] <... symlink resumed>) = 0 [pid 1012] <... symlink resumed>) = 0 [pid 1011] <... symlink resumed>) = 0 [pid 310] umount2("./135/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1013] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1012] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(3 [pid 1013] <... symlink resumed>) = 0 [pid 1012] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1011] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1013] <... openat resumed>) = 3 [pid 1012] <... openat resumed>) = 3 [pid 1011] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./135/cgroup.cpu" [pid 309] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1013] write(3, "1000", 4 [pid 1012] write(3, "1000", 4 [pid 1011] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1013] <... write resumed>) = 4 [pid 1012] <... write resumed>) = 4 [pid 1011] close(3 [pid 310] unlink("./135/cgroup.cpu" [pid 309] <... umount2 resumed>) = 0 [pid 1013] close(3 [pid 1012] close(3 [pid 1011] <... close resumed>) = 0 [pid 1013] <... close resumed>) = 0 [pid 1012] <... close resumed>) = 0 [pid 1011] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1013] symlink("/dev/binderfs", "./binderfs" [pid 1012] symlink("/dev/binderfs", "./binderfs" [pid 1013] <... symlink resumed>) = 0 [pid 1012] <... symlink resumed>) = 0 [pid 1011] <... symlink resumed>) = 0 [pid 310] umount2("./135/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1013] write(1, "executing program\n", 18 executing program executing program [pid 1012] write(1, "executing program\n", 18 [pid 1011] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./134/config" [pid 1013] <... write resumed>) = 18 [pid 1012] <... write resumed>) = 18 [pid 1011] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./135/cgroup" [pid 1013] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 1012] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1013] <... mkdirat resumed>) = 0 [pid 1012] <... mkdirat resumed>) = 0 [pid 1011] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./134/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1013] mount(NULL, "./config", "configfs", 0, NULL [pid 1012] mount(NULL, "./config", "configfs", 0, NULL [pid 1011] <... mkdirat resumed>) = 0 [pid 310] unlink("./135/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1013] <... mount resumed>) = 0 [pid 1012] <... mount resumed>) = 0 [pid 1011] mount(NULL, "./config", "configfs", 0, NULL [pid 1013] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./134/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1013] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1012] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1011] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 1013] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 4 [pid 1013] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1012] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1011] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 1013] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] fstat(4 [pid 1013] <... mkdirat resumed>) = 0 [pid 1012] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 1013] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1012] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1011] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./135" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1013] <... symlinkat resumed>) = 0 [pid 1012] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 1013] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1012] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1011] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 310] mkdir("./136", 0777 [pid 1013] <... unlinkat resumed>) = 0 [pid 1012] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1011] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1013] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1012] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... mkdir resumed>) = 0 [pid 1013] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1012] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1011] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 1013] close(3 [pid 1012] close(3 [pid 1011] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] <... unlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(4 [pid 1013] close(4 [pid 1012] close(4 [pid 1011] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(5) = -1 EBADF (Bad file descriptor) [pid 1012] close(6) = -1 EBADF (Bad file descriptor) [pid 1012] close(7ci2-android-5-15/strace-static-x86_64: Process 1014 attached [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1014] set_robust_list(0x55555bb49760, 24 [pid 1013] close(5 [pid 1012] close(8 [pid 1011] <... unlinkat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 138 [pid 309] rmdir("./134/config" [pid 1014] <... set_robust_list resumed>) = 0 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(3 [pid 1014] rt_sigprocmask(SIG_SETMASK, [] [pid 1013] close(6 [pid 1012] close(9 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 1014] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1014] chdir("./136" [pid 1013] close(7 [pid 1012] close(10 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1014] <... chdir resumed>) = 0 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(5 [pid 309] newfstatat(AT_FDCWD, "./134/binderfs" [pid 1014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1013] close(8 [pid 1012] close(11 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1014] <... prctl resumed>) = 0 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(6 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1014] setpgid(0, 0 [pid 1013] close(9 [pid 1012] close(12 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./134/binderfs" [pid 1014] <... setpgid resumed>) = 0 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(7 [pid 1014] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1013] close(10 [pid 1012] close(13 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1014] <... symlink resumed>) = 0 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(8 [pid 309] umount2("./134/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1014] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1013] close(11 [pid 1012] close(14 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1014] <... symlink resumed>) = 0 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1014] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1012] close(15 [pid 1014] <... symlink resumed>) = 0 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(16 [pid 1011] close(9 [pid 309] newfstatat(AT_FDCWD, "./134/cgroup.net" [pid 1014] <... openat resumed>) = 3 [pid 1013] close(12 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1014] write(3, "1000", 4 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(17 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1014] <... write resumed>) = 4 [pid 1013] close(13 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(10 [pid 1014] close(3 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(18 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./134/cgroup.net" [pid 1014] <... close resumed>) = 0 [pid 1013] close(14 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(11 [pid 1014] symlink("/dev/binderfs", "./binderfs" [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(19 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1014] <... symlink resumed>) = 0 [pid 1013] close(15 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(12 [pid 309] umount2("./134/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1014] write(1, "executing program\n", 18 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(20 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1014] <... write resumed>) = 18 [pid 1013] close(16 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1011] close(13 [pid 1014] mkdirat(AT_FDCWD, "./config", 0777 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(21 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./134/cgroup.cpu" [pid 1014] <... mkdirat resumed>) = 0 [pid 1013] close(17 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(14 [pid 1014] mount(NULL, "./config", "configfs", 0, NULL [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(22 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1014] <... mount resumed>) = 0 [pid 1013] close(18 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(15 [pid 309] unlink("./134/cgroup.cpu" [pid 1014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(23 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1014] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1013] close(19 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(16 [pid 309] <... unlink resumed>) = 0 [pid 1014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(24 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./134/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1014] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1013] close(20 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(17 [pid 1014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(25 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1014] <... mkdirat resumed>) = 0 [pid 1013] close(21 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(18 [pid 309] newfstatat(AT_FDCWD, "./134/cgroup" [pid 1014] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(26 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1014] <... symlinkat resumed>) = 0 [pid 1013] close(22 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(19 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1014] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(27 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./134/cgroup" [pid 1014] <... unlinkat resumed>) = 0 [pid 1013] close(23 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(20 [pid 1014] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(28 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1014] <... unlinkat resumed>) = 0 [pid 1013] close(24 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(21 [pid 1014] close(3 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] close(29 [pid 309] getdents64(3 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1013] close(25 [pid 1012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] close(22 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1014] close(4 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] exit_group(0 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1013] close(26 [pid 1012] <... exit_group resumed>) = ? [pid 1011] close(23 [pid 309] close(3 [pid 1014] close(5 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1012] +++ exited with 0 +++ [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1013] close(27 [pid 1011] close(24 [pid 309] rmdir("./134" [pid 1014] close(6 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1013] close(28 [pid 1011] close(25 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rmdir resumed>) = 0 [pid 1014] close(7 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 309] mkdir("./135", 0777 [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1013] close(29 [pid 1011] close(26 [pid 1014] close(8 [pid 1013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1014] close(9) = -1 EBADF (Bad file descriptor) [pid 1014] close(10) = -1 EBADF (Bad file descriptor) [pid 1014] close(11) = -1 EBADF (Bad file descriptor) [pid 1013] exit_group(0 [pid 1011] close(27 [pid 313] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1014] close(12 [pid 1013] <... exit_group resumed>) = ? [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1014] close(13) = -1 EBADF (Bad file descriptor) [pid 1014] close(14) = -1 EBADF (Bad file descriptor) [pid 1014] close(15) = -1 EBADF (Bad file descriptor) [pid 1014] close(16) = -1 EBADF (Bad file descriptor) [pid 1014] close(17) = -1 EBADF (Bad file descriptor) [pid 1014] close(18) = -1 EBADF (Bad file descriptor) [pid 1014] close(19) = -1 EBADF (Bad file descriptor) [pid 1013] +++ exited with 0 +++ [pid 1011] close(28 [pid 313] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1014] close(20 [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1014] close(21) = -1 EBADF (Bad file descriptor) [pid 1014] close(22) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1015 attached [pid 1014] close(23 [pid 1011] close(29 [pid 313] fstat(3 [pid 1015] set_robust_list(0x55555bb49760, 24 [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 137 [pid 1015] <... set_robust_list resumed>) = 0 [pid 1014] close(24 [pid 1011] exit_group(0 [pid 313] getdents64(3 [pid 1015] rt_sigprocmask(SIG_SETMASK, [] [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1015] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1014] close(25 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1015] chdir("./135" [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1015] <... chdir resumed>) = 0 [pid 1014] close(26 [pid 1015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1011] +++ exited with 0 +++ [pid 1015] <... prctl resumed>) = 0 [pid 1014] close(27 [pid 313] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1015] setpgid(0, 0 [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1015] <... setpgid resumed>) = 0 [pid 1014] close(28 [pid 313] <... umount2 resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1015] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1015] <... symlink resumed>) = 0 [pid 1014] close(29 [pid 1015] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1015] <... symlink resumed>) = 0 [pid 1014] exit_group(0 [pid 313] newfstatat(AT_FDCWD, "./144/config" [pid 1015] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1014] <... exit_group resumed>) = ? [pid 1015] <... symlink resumed>) = 0 [pid 1014] +++ exited with 0 +++ [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1015] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1015] write(3, "1000", 4 [pid 313] openat(AT_FDCWD, "./144/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1015] <... write resumed>) = 4 [pid 313] <... openat resumed>) = 4 [pid 1015] close(3 [pid 313] fstat(4 [pid 1015] <... close resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1015] symlink("/dev/binderfs", "./binderfs" [pid 313] getdents64(4 [pid 1015] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1015] write(1, "executing program\n", 18 [pid 313] getdents64(4 [pid 1015] <... write resumed>) = 18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 executing program [pid 1015] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] close(4 [pid 1015] <... mkdirat resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 1015] mount(NULL, "./config", "configfs", 0, NULL [pid 313] rmdir("./144/config" [pid 1015] <... mount resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 1015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1015] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... restart_syscall resumed>) = 0 [pid 1015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] newfstatat(AT_FDCWD, "./144/binderfs" [pid 1015] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] unlink("./144/binderfs" [pid 1015] <... mkdirat resumed>) = 0 [pid 312] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1015] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1015] <... symlinkat resumed>) = 0 [pid 313] umount2("./144/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1015] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1015] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./144/cgroup.net" [pid 312] <... openat resumed>) = 3 [pid 1015] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] fstat(3 [pid 1015] <... unlinkat resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1015] close(3 [pid 313] unlink("./144/cgroup.net" [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 313] <... unlink resumed>) = 0 [pid 1015] close(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] umount2("./144/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1015] close(5 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./144/cgroup.cpu" [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 1015] close(6 [pid 313] unlink("./144/cgroup.cpu" [pid 312] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 1015] close(7 [pid 313] umount2("./144/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./143/config" [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1015] close(8 [pid 313] newfstatat(AT_FDCWD, "./144/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1015] close(9 [pid 313] unlink("./144/cgroup" [pid 312] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1015] close(10 [pid 313] getdents64(3 [pid 312] openat(AT_FDCWD, "./143/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... openat resumed>) = 4 [pid 311] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1015] close(11 [pid 313] close(3 [pid 312] fstat(4 [pid 311] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] fstat(3 [pid 310] fstat(3 [pid 1015] close(12 [pid 313] rmdir("./144" [pid 312] getdents64(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] getdents64(3 [pid 1015] close(13 [pid 313] mkdir("./145", 0777 [pid 312] getdents64(4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] getdents64(3 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1015] close(14 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] close(4 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... close resumed>) = 0 [pid 311] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1015] close(15 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] rmdir("./143/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./138/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./138/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1016 attached [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = 0 [pid 1016] set_robust_list(0x55555bb49760, 24 [pid 1015] close(16 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 147 [pid 312] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 1016] <... set_robust_list resumed>) = 0 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1016] rt_sigprocmask(SIG_SETMASK, [] [pid 1015] close(17 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./143/binderfs" [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1016] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./136/config" [pid 1016] chdir("./145" [pid 1015] close(18 [pid 312] unlink("./143/binderfs" [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1016] <... chdir resumed>) = 0 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1015] close(19 [pid 312] umount2("./143/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 1016] <... prctl resumed>) = 0 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1016] setpgid(0, 0 [pid 1015] close(20 [pid 312] newfstatat(AT_FDCWD, "./143/cgroup.net" [pid 311] rmdir("./138/config" [pid 310] openat(AT_FDCWD, "./136/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1016] <... setpgid resumed>) = 0 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1016] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1015] close(21 [pid 312] unlink("./143/cgroup.net" [pid 311] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 1016] <... symlink resumed>) = 0 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 1016] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1015] close(22 [pid 312] umount2("./143/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./138/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1016] <... symlink resumed>) = 0 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 1016] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1015] close(23 [pid 312] newfstatat(AT_FDCWD, "./143/cgroup.cpu" [pid 311] unlink("./138/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1016] <... symlink resumed>) = 0 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 1016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1015] close(24 [pid 312] unlink("./143/cgroup.cpu" [pid 311] umount2("./138/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1016] <... openat resumed>) = 3 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1016] write(3, "1000", 4 [pid 1015] close(25 [pid 312] umount2("./143/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./138/cgroup.net" [pid 1016] <... write resumed>) = 4 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 1016] close(3 [pid 1015] close(26 [pid 312] newfstatat(AT_FDCWD, "./143/cgroup" [pid 311] unlink("./138/cgroup.net" [pid 1016] <... close resumed>) = 0 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1016] symlink("/dev/binderfs", "./binderfs" [pid 1015] close(27 [pid 312] unlink("./143/cgroup" [pid 311] umount2("./138/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1016] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1016] write(1, "executing program\n", 18 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./138/cgroup.cpu" [pid 310] rmdir("./136/config" [pid 1016] <... write resumed>) = 18 executing program [pid 1015] close(28 [pid 312] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1016] mkdirat(AT_FDCWD, "./config", 0777 [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] unlink("./138/cgroup.cpu" [pid 310] <... rmdir resumed>) = 0 [pid 1016] <... mkdirat resumed>) = 0 [pid 1015] close(29 [pid 312] close(3 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1016] mount(NULL, "./config", "configfs", 0, NULL [pid 1015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] umount2("./138/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1016] <... mount resumed>) = 0 [pid 1015] exit_group(0 [pid 312] rmdir("./143" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1015] <... exit_group resumed>) = ? [pid 312] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./138/cgroup" [pid 310] newfstatat(AT_FDCWD, "./136/binderfs" [pid 1016] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] unlink("./138/cgroup" [pid 1016] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... unlink resumed>) = 0 [pid 1016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1015] +++ exited with 0 +++ [pid 311] getdents64(3 [pid 1016] <... mkdirat resumed>) = 0 [pid 312] mkdir("./144", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1016] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... mkdir resumed>) = 0 [pid 311] close(3 [pid 310] unlink("./136/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1016] <... symlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... close resumed>) = 0 [pid 1016] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rmdir("./138" [pid 310] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1016] <... unlinkat resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./136/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1016] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] mkdir("./139", 0777ci2-android-5-15/strace-static-x86_64: Process 1017 attached [pid 1016] <... unlinkat resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1017] set_robust_list(0x55555bb49760, 24 [pid 1016] close(3 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 146 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./136/cgroup.net" [pid 1017] <... set_robust_list resumed>) = 0 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1017] rt_sigprocmask(SIG_SETMASK, [] [pid 1016] close(4 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1018 attached [pid 1017] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./136/cgroup.net" [pid 309] <... restart_syscall resumed>) = 0 [pid 1018] set_robust_list(0x55555bb49760, 24 [pid 1017] chdir("./144" [pid 1016] close(5 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 141 [pid 1018] <... set_robust_list resumed>) = 0 [pid 1017] <... chdir resumed>) = 0 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 1018] rt_sigprocmask(SIG_SETMASK, [] [pid 1017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1016] close(6 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./136/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1018] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1017] <... prctl resumed>) = 0 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1018] chdir("./139" [pid 1017] setpgid(0, 0 [pid 1016] close(7 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1018] <... chdir resumed>) = 0 [pid 1017] <... setpgid resumed>) = 0 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./136/cgroup.cpu" [pid 1018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1017] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1016] close(8 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1018] <... prctl resumed>) = 0 [pid 1017] <... symlink resumed>) = 0 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1018] setpgid(0, 0 [pid 1017] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1016] close(9 [pid 310] unlink("./136/cgroup.cpu" [pid 1018] <... setpgid resumed>) = 0 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 1017] <... symlink resumed>) = 0 [pid 1016] close(10 [pid 310] <... unlink resumed>) = 0 [pid 1018] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 309] fstat(3 [pid 1017] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./136/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1018] <... symlink resumed>) = 0 [pid 1017] <... symlink resumed>) = 0 [pid 1016] close(11 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1018] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1018] <... symlink resumed>) = 0 [pid 1016] close(12 [pid 309] getdents64(3 [pid 1018] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1017] <... openat resumed>) = 3 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./136/cgroup" [pid 1018] <... symlink resumed>) = 0 [pid 1017] write(3, "1000", 4 [pid 1016] close(13 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1017] <... write resumed>) = 4 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1016] close(14 [pid 309] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1018] <... openat resumed>) = 3 [pid 1017] close(3 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./136/cgroup" [pid 1018] write(3, "1000", 4 [pid 1017] <... close resumed>) = 0 [pid 1016] close(15 [pid 309] <... umount2 resumed>) = 0 [pid 1018] <... write resumed>) = 4 [pid 1017] symlink("/dev/binderfs", "./binderfs" [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1018] close(3 [pid 1017] <... symlink resumed>) = 0 [pid 1016] close(16 [pid 310] getdents64(3 [pid 1018] <... close resumed>) = 0 [pid 1017] write(1, "executing program\n", 18 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1018] symlink("/dev/binderfs", "./binderfs" [pid 1017] <... write resumed>) = 18 [pid 1016] close(17 [pid 310] close(3 [pid 309] newfstatat(AT_FDCWD, "./135/config" [pid 1018] <... symlink resumed>) = 0 executing program [pid 1017] mkdirat(AT_FDCWD, "./config", 0777 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1018] write(1, "executing program\n", 18 [pid 1017] <... mkdirat resumed>) = 0 [pid 1016] close(18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./136" [pid 1018] <... write resumed>) = 18 [pid 1017] mount(NULL, "./config", "configfs", 0, NULL [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./135/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1018] mkdirat(AT_FDCWD, "./config", 0777 [pid 1016] close(19 [pid 310] <... rmdir resumed>) = 0 [pid 1017] <... mount resumed>) = 0 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1018] <... mkdirat resumed>) = 0 executing program [pid 1017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1016] close(20 [pid 310] mkdir("./137", 0777 [pid 309] openat(AT_FDCWD, "./135/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1018] mount(NULL, "./config", "configfs", 0, NULL [pid 1017] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1016] close(21 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1018] <... mount resumed>) = 0 [pid 1017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] fstat(4 [pid 1018] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1017] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1016] close(22 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1018] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1018] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1016] close(23 [pid 1017] <... mkdirat resumed>) = 0 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1016] close(24) = -1 EBADF (Bad file descriptor) [pid 1016] close(25) = -1 EBADF (Bad file descriptor) [pid 1016] close(26) = -1 EBADF (Bad file descriptor) [pid 1016] close(27) = -1 EBADF (Bad file descriptor) [pid 1016] close(28ci2-android-5-15/strace-static-x86_64: Process 1019 attached [pid 1018] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1017] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1019] set_robust_list(0x55555bb49760, 24 [pid 1018] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1016] close(29 [pid 1019] <... set_robust_list resumed>) = 0 [pid 1018] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1017] <... symlinkat resumed>) = 0 [pid 1016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 139 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1019] rt_sigprocmask(SIG_SETMASK, [] [pid 1018] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1017] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1016] exit_group(0 [pid 1019] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1018] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1017] <... unlinkat resumed>) = 0 [pid 1016] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 1019] chdir("./137" [pid 1018] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1017] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1016] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1019] <... chdir resumed>) = 0 [pid 1018] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1017] <... unlinkat resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(4 [pid 1019] <... prctl resumed>) = 0 [pid 1018] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1017] close(3 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1019] setpgid(0, 0 [pid 1018] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1019] <... setpgid resumed>) = 0 [pid 1018] close(3 [pid 1017] close(4 [pid 313] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./135/config" [pid 1019] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1019] <... symlink resumed>) = 0 [pid 1018] close(4 [pid 1017] close(5 [pid 309] <... rmdir resumed>) = 0 [pid 1019] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1019] <... symlink resumed>) = 0 [pid 1018] close(5 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1019] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1019] <... symlink resumed>) = 0 [pid 1018] close(6 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(7 [pid 313] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./135/binderfs" [pid 1019] <... openat resumed>) = 3 [pid 1018] close(7 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 1019] write(3, "1000", 4 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(8 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1019] <... write resumed>) = 4 [pid 1018] close(8 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] unlink("./135/binderfs" [pid 1019] close(3 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(9 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1019] <... close resumed>) = 0 [pid 1018] close(9 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1019] symlink("/dev/binderfs", "./binderfs" [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(10 [pid 313] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./135/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1019] <... symlink resumed>) = 0 [pid 1018] close(10 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1019] write(1, "executing program\n", 18 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(11 [pid 313] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./135/cgroup.net" [pid 1019] <... write resumed>) = 18 executing program [pid 1018] close(11 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1019] mkdirat(AT_FDCWD, "./config", 0777 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(12 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1019] <... mkdirat resumed>) = 0 [pid 1018] close(12 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./135/cgroup.net" [pid 1019] mount(NULL, "./config", "configfs", 0, NULL [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(13 [pid 313] newfstatat(AT_FDCWD, "./145/config" [pid 1019] <... mount resumed>) = 0 [pid 1018] close(13 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./135/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1019] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1018] close(14 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./135/cgroup.cpu" [pid 1019] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1018] close(15 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./145/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(16 [pid 313] <... openat resumed>) = 4 [pid 309] unlink("./135/cgroup.cpu" [pid 1019] <... mkdirat resumed>) = 0 [pid 1018] close(16 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 1019] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(17 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1019] <... symlinkat resumed>) = 0 [pid 1018] close(17 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] umount2("./135/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1019] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1019] <... unlinkat resumed>) = 0 [pid 1018] close(18 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1019] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(19 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./135/cgroup" [pid 1019] <... unlinkat resumed>) = 0 [pid 1018] close(19 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1019] close(3 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(20 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1018] close(20 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 309] unlink("./135/cgroup" [pid 1019] close(4 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(21 [pid 313] rmdir("./145/config" [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1018] close(21 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1019] close(5 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(22 [pid 313] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1018] close(22 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1019] close(6 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1018] close(23 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./145/binderfs" [pid 1019] close(7 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(24 [pid 309] <... close resumed>) = 0 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1018] close(24 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./135" [pid 1019] close(8 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(25 [pid 313] unlink("./145/binderfs" [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1018] close(25 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1019] close(9 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(26 [pid 313] <... unlink resumed>) = 0 [pid 309] mkdir("./136", 0777 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1018] close(26 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./145/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1019] close(10 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(27 [pid 309] <... mkdir resumed>) = 0 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1018] close(27 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1019] close(11 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(28 [pid 313] newfstatat(AT_FDCWD, "./145/cgroup.net" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1018] close(28 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1019] close(12 [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1017] close(29 [pid 313] unlink("./145/cgroup.net" [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1019] close(13) = -1 EBADF (Bad file descriptor) [pid 1019] close(14) = -1 EBADF (Bad file descriptor) [pid 1019] close(15) = -1 EBADF (Bad file descriptor) [pid 1019] close(16) = -1 EBADF (Bad file descriptor) [pid 1019] close(17) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1020 attached [pid 1019] close(18 [pid 1018] close(29 [pid 1017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1020] set_robust_list(0x55555bb49760, 24 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1020] <... set_robust_list resumed>) = 0 [pid 1019] close(19 [pid 1017] exit_group(0 [pid 313] umount2("./145/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 138 [pid 1020] rt_sigprocmask(SIG_SETMASK, [] [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1018] exit_group(0 [pid 1017] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1020] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1019] close(20 [pid 1018] <... exit_group resumed>) = ? [pid 1020] chdir("./136") = 0 [pid 1017] +++ exited with 0 +++ [pid 1020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] newfstatat(AT_FDCWD, "./145/cgroup.cpu" [pid 1020] <... prctl resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1020] setpgid(0, 0) = 0 [pid 1020] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 1018] +++ exited with 0 +++ [pid 1020] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1020] <... symlink resumed>) = 0 [pid 1019] close(21 [pid 313] unlink("./145/cgroup.cpu" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1020] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1020] <... symlink resumed>) = 0 [pid 1020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1019] close(22 [pid 313] umount2("./145/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1020] write(3, "1000", 4 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1020] <... write resumed>) = 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1019] close(23 [pid 1020] close(3 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./145/cgroup" [pid 1020] <... close resumed>) = 0 [pid 1019] close(24 [pid 1020] symlink("/dev/binderfs", "./binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1020] <... symlink resumed>) = 0 [pid 1019] close(25 [pid 313] unlink("./145/cgroup" [pid 1020] write(1, "executing program\n", 18 executing program [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1020] <... write resumed>) = 18 [pid 313] <... unlink resumed>) = 0 [pid 1020] mkdirat(AT_FDCWD, "./config", 0777 [pid 1019] close(26 [pid 313] getdents64(3 [pid 1020] <... mkdirat resumed>) = 0 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1020] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1020] <... mount resumed>) = 0 [pid 1019] close(27 [pid 313] close(3 [pid 1020] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1020] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... close resumed>) = 0 [pid 1019] close(28 [pid 1020] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./145" [pid 1020] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1019] close(29 [pid 1020] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1020] <... mkdirat resumed>) = 0 [pid 1020] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1019] exit_group(0 [pid 1020] <... symlinkat resumed>) = 0 [pid 313] mkdir("./146", 0777 [pid 1019] <... exit_group resumed>) = ? [pid 1020] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 1020] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1020] close(3) = -1 EBADF (Bad file descriptor) [pid 1020] close(4) = -1 EBADF (Bad file descriptor) [pid 1020] close(5) = -1 EBADF (Bad file descriptor) [pid 1019] +++ exited with 0 +++ [pid 1020] close(6) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1020] close(7 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1020] close(8 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1020] close(9) = -1 EBADF (Bad file descriptor) [pid 1020] close(10) = -1 EBADF (Bad file descriptor) [pid 1020] close(11) = -1 EBADF (Bad file descriptor) [pid 1020] close(12) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1021 attached [pid 1020] close(13 [pid 1021] set_robust_list(0x55555bb49760, 24 [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 148 [pid 1021] <... set_robust_list resumed>) = 0 [pid 1020] close(14 [pid 1021] rt_sigprocmask(SIG_SETMASK, [] [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1021] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1020] close(15 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1021] chdir("./146" [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1021] <... chdir resumed>) = 0 [pid 1020] close(16 [pid 1021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1021] <... prctl resumed>) = 0 [pid 1020] close(17 [pid 1021] setpgid(0, 0 [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1021] <... setpgid resumed>) = 0 [pid 1020] close(18 [pid 1021] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1021] <... symlink resumed>) = 0 [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1021] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 310] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1020] close(19 [pid 1021] <... symlink resumed>) = 0 [pid 1021] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1021] <... symlink resumed>) = 0 [pid 1021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1020] close(20 [pid 310] fstat(3 [pid 1021] <... openat resumed>) = 3 [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1021] write(3, "1000", 4 [pid 1020] close(21 [pid 1021] <... write resumed>) = 4 [pid 310] getdents64(3 [pid 1021] close(3 [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1021] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1020] close(22 [pid 1021] symlink("/dev/binderfs", "./binderfs" [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1021] <... symlink resumed>) = 0 [pid 1020] close(23 [pid 312] <... restart_syscall resumed>) = 0 [pid 1021] write(1, "executing program\n", 18 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 executing program [pid 1021] <... write resumed>) = 18 [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1021] mkdirat(AT_FDCWD, "./config", 0777 [pid 1020] close(24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1021] <... mkdirat resumed>) = 0 [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./137/config" [pid 1021] mount(NULL, "./config", "configfs", 0, NULL [pid 1020] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1021] <... mount resumed>) = 0 [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1020] close(26 [pid 312] <... openat resumed>) = 3 [pid 311] <... openat resumed>) = 3 [pid 310] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1021] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 311] fstat(3 [pid 1021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1020] close(27 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1021] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] getdents64(3 [pid 310] openat(AT_FDCWD, "./137/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1020] close(28 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1021] <... mkdirat resumed>) = 0 [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 1021] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1020] close(29 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] fstat(4 [pid 1021] <... symlinkat resumed>) = 0 [pid 1020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1021] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1020] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1021] <... unlinkat resumed>) = 0 [pid 1020] <... exit_group resumed>) = ? [pid 312] newfstatat(AT_FDCWD, "./144/config" [pid 311] newfstatat(AT_FDCWD, "./139/config" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1021] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1021] <... unlinkat resumed>) = 0 [pid 311] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1021] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1020] +++ exited with 0 +++ [pid 311] openat(AT_FDCWD, "./139/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1021] close(4 [pid 311] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1021] close(5 [pid 312] openat(AT_FDCWD, "./144/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] close(4 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 311] getdents64(4 [pid 1021] close(6 [pid 312] fstat(4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... close resumed>) = 0 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] getdents64(4 [pid 310] rmdir("./137/config" [pid 1021] close(7 [pid 312] getdents64(4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] close(4 [pid 310] <... rmdir resumed>) = 0 [pid 1021] close(8 [pid 312] getdents64(4 [pid 311] <... close resumed>) = 0 [pid 310] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] rmdir("./139/config" [pid 1021] close(9 [pid 312] close(4 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./137/binderfs" [pid 1021] close(10 [pid 312] rmdir("./144/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./139/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1021] close(11 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./137/binderfs" [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./139/binderfs" [pid 1021] close(12 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./144/binderfs" [pid 311] umount2("./139/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./137/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1021] close(13 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./144/binderfs" [pid 311] newfstatat(AT_FDCWD, "./139/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./137/cgroup.net" [pid 1021] close(14 [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./144/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./139/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1021] close(15 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./137/cgroup.net" [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./144/cgroup.net" [pid 311] umount2("./139/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1021] close(16 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./144/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./139/cgroup.cpu" [pid 310] umount2("./137/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1021] close(17 [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./144/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./139/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1021] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./137/cgroup.cpu" [pid 309] <... restart_syscall resumed>) = 0 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./144/cgroup.cpu" [pid 311] umount2("./139/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1021] close(19 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./137/cgroup.cpu" [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./144/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./139/cgroup" [pid 1021] close(20 [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./144/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./139/cgroup" [pid 310] umount2("./137/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1021] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./144/cgroup" [pid 311] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./137/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1021] close(22 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./144/cgroup" [pid 311] close(3 [pid 310] unlink("./137/cgroup" [pid 1021] close(23 [pid 312] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] rmdir("./139" [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1021] close(24 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] mkdir("./140", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1021] close(25 [pid 312] <... close resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] close(3 [pid 309] getdents64(3 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./144" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... close resumed>) = 0 [pid 1021] close(26 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rmdir("./137" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./145", 0777 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1021] close(27 [pid 312] <... mkdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1022 attached [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 142 [pid 310] mkdir("./138", 0777 [pid 1022] set_robust_list(0x55555bb49760, 24 [pid 1021] close(28 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = 0 [pid 1022] <... set_robust_list resumed>) = 0 [pid 1021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1022] rt_sigprocmask(SIG_SETMASK, [] [pid 1021] close(29) = -1 EBADF (Bad file descriptor) [pid 1021] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1023 attached [pid 1022] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1021] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1023] set_robust_list(0x55555bb49760, 24 [pid 1022] chdir("./140" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 147 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./136/config" [pid 1023] <... set_robust_list resumed>) = 0 [pid 1022] <... chdir resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1023] rt_sigprocmask(SIG_SETMASK, [] [pid 1022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1023] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1023] chdir("./145") = 0 ci2-android-5-15/strace-static-x86_64: Process 1024 attached [pid 1023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1022] <... prctl resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 309] umount2("./136/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1024] set_robust_list(0x55555bb49760, 24 [pid 1023] <... prctl resumed>) = 0 [pid 1022] setpgid(0, 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 140 [pid 1024] <... set_robust_list resumed>) = 0 [pid 1023] setpgid(0, 0 [pid 1022] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1024] rt_sigprocmask(SIG_SETMASK, [] [pid 1023] <... setpgid resumed>) = 0 [pid 1022] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1024] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1023] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./136/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1022] <... symlink resumed>) = 0 [pid 1024] chdir("./138" [pid 1023] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1024] <... chdir resumed>) = 0 [pid 1023] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1023] <... symlink resumed>) = 0 [pid 1022] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 4 [pid 1024] <... prctl resumed>) = 0 [pid 1023] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1024] setpgid(0, 0 [pid 1023] <... symlink resumed>) = 0 [pid 1022] <... symlink resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 309] fstat(4 [pid 1024] <... setpgid resumed>) = 0 [pid 1023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1022] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1024] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1023] <... openat resumed>) = 3 [pid 313] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1024] <... symlink resumed>) = 0 [pid 1023] write(3, "1000", 4 [pid 1022] <... symlink resumed>) = 0 [pid 1024] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1023] <... write resumed>) = 4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] getdents64(4 [pid 1024] <... symlink resumed>) = 0 [pid 1023] close(3 [pid 1022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] getdents64(3 [pid 1024] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1023] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1024] <... symlink resumed>) = 0 [pid 1023] symlink("/dev/binderfs", "./binderfs" [pid 1022] <... openat resumed>) = 3 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] getdents64(4 [pid 1024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1023] <... symlink resumed>) = 0 [pid 1022] write(3, "1000", 4 [pid 313] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1024] <... openat resumed>) = 3 [pid 1023] write(1, "executing program\n", 18 [pid 1022] <... write resumed>) = 4 executing program [pid 313] <... umount2 resumed>) = 0 [pid 309] close(4 [pid 1024] write(3, "1000", 4 [pid 1023] <... write resumed>) = 18 [pid 1022] close(3 [pid 313] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1024] <... write resumed>) = 4 [pid 1023] mkdirat(AT_FDCWD, "./config", 0777 [pid 1022] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1024] close(3 [pid 1023] <... mkdirat resumed>) = 0 [pid 1022] symlink("/dev/binderfs", "./binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./136/config" [pid 1024] <... close resumed>) = 0 [pid 1023] mount(NULL, "./config", "configfs", 0, NULL [pid 1024] symlink("/dev/binderfs", "./binderfs" [pid 1023] <... mount resumed>) = 0 [pid 1022] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./146/config" [pid 309] <... rmdir resumed>) = 0 [pid 1024] <... symlink resumed>) = 0 [pid 1023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1022] write(1, "executing program\n", 18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 309] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1024] write(1, "executing program\n", 18 [pid 1023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1022] <... write resumed>) = 18 [pid 313] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1024] <... write resumed>) = 18 [pid 1023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1024] mkdirat(AT_FDCWD, "./config", 0777 [pid 1023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1022] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./136/binderfs" [pid 1024] <... mkdirat resumed>) = 0 [pid 1023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1022] <... mkdirat resumed>) = 0 [pid 1024] mount(NULL, "./config", "configfs", 0, NULL [pid 1023] <... mkdirat resumed>) = 0 [pid 1022] mount(NULL, "./config", "configfs", 0, NULL [pid 313] openat(AT_FDCWD, "./146/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1024] <... mount resumed>) = 0 [pid 1023] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1022] <... mount resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 309] unlink("./136/binderfs" [pid 1024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1023] <... symlinkat resumed>) = 0 [pid 1022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] fstat(4 [pid 1024] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1023] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1022] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1023] <... unlinkat resumed>) = 0 [pid 1022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] getdents64(4 [pid 309] umount2("./136/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1024] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1023] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1022] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1023] <... unlinkat resumed>) = 0 [pid 1022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1023] close(3 [pid 1024] <... mkdirat resumed>) = 0 [pid 1024] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./136/cgroup.net" [pid 1024] <... symlinkat resumed>) = 0 [pid 1023] close(4 [pid 1022] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] close(4 [pid 1024] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1023] close(5 [pid 1024] <... unlinkat resumed>) = 0 [pid 1022] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 313] <... close resumed>) = 0 [pid 309] unlink("./136/cgroup.net" [pid 1024] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] rmdir("./146/config" [pid 1023] close(6 [pid 309] <... unlink resumed>) = 0 [pid 1024] <... unlinkat resumed>) = 0 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1024] close(3 [pid 1023] close(7 [pid 1022] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... rmdir resumed>) = 0 [pid 309] umount2("./136/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 313] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1024] close(4 [pid 1023] close(8 [pid 1022] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./136/cgroup.cpu" [pid 1024] close(5 [pid 1023] close(9 [pid 1022] close(4 [pid 313] newfstatat(AT_FDCWD, "./146/binderfs" [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1024] close(6 [pid 1023] close(10 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] close(5 [pid 309] unlink("./136/cgroup.cpu" [pid 1023] close(11 [pid 313] unlink("./146/binderfs" [pid 1024] close(7 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] close(12 [pid 1022] close(6 [pid 313] <... unlink resumed>) = 0 [pid 309] umount2("./136/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1024] close(8 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./146/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] close(13 [pid 1022] close(7 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1024] close(9 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] close(14 [pid 1022] close(8 [pid 313] newfstatat(AT_FDCWD, "./146/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./136/cgroup" [pid 1024] close(10 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] close(15 [pid 1022] close(9 [pid 313] unlink("./146/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1024] close(11 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] close(16 [pid 1022] close(10 [pid 313] <... unlink resumed>) = 0 [pid 309] unlink("./136/cgroup" [pid 1024] close(12 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./146/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] close(17 [pid 1022] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1024] close(13 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./146/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] close(18 [pid 1022] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 1024] close(14 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./146/cgroup.cpu" [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] close(19 [pid 1022] close(13 [pid 309] <... close resumed>) = 0 [pid 1024] close(15 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] rmdir("./136" [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] close(20 [pid 1022] close(14 [pid 313] umount2("./146/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1024] close(16 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] close(21 [pid 1022] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./137", 0777 [pid 1024] close(17 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./146/cgroup" [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] close(22 [pid 1022] close(16 [pid 309] <... mkdir resumed>) = 0 [pid 1024] close(18 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] close(23 [pid 1022] close(17 [pid 313] unlink("./146/cgroup" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1024] close(19 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] close(24 [pid 313] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1022] close(18 [pid 1024] close(20 [pid 1023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1023] close(25) = -1 EBADF (Bad file descriptor) [pid 1023] close(26) = -1 EBADF (Bad file descriptor) [pid 1023] close(27) = -1 EBADF (Bad file descriptor) [pid 1023] close(28) = -1 EBADF (Bad file descriptor) [pid 1023] close(29) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1025 attached [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] exit_group(0 [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1025] set_robust_list(0x55555bb49760, 24 [pid 1024] close(21 [pid 1023] <... exit_group resumed>) = ? [pid 1022] close(19 [pid 1025] <... set_robust_list resumed>) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1023] +++ exited with 0 +++ [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 139 [pid 1025] rt_sigprocmask(SIG_SETMASK, [] [pid 1024] close(22 [pid 1022] close(20 [pid 313] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1025] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./146" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1025] chdir("./137" [pid 1024] close(23 [pid 1022] close(21 [pid 313] <... rmdir resumed>) = 0 [pid 1025] <... chdir resumed>) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./147", 0777 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1024] close(24 [pid 1022] close(22 [pid 1025] <... prctl resumed>) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1025] setpgid(0, 0 [pid 1024] close(25 [pid 1022] close(23 [pid 1025] <... setpgid resumed>) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1025] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1024] close(26 [pid 1022] close(24 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1025] <... symlink resumed>) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1025] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1024] close(27 [pid 1022] close(25 [pid 1025] <... symlink resumed>) = 0 [pid 1025] symlink("/syzcgroup/net/syz1", "./cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1026 attached ) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1026] set_robust_list(0x55555bb49760, 24 [pid 1025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1024] close(28 [pid 1022] close(26 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 149 [pid 1026] <... set_robust_list resumed>) = 0 [pid 1025] <... openat resumed>) = 3 [pid 1025] write(3, "1000", 4) = 4 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1025] close(3 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1026] rt_sigprocmask(SIG_SETMASK, [] [pid 1025] <... close resumed>) = 0 [pid 1026] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1025] symlink("/dev/binderfs", "./binderfs" [pid 1024] close(29 [pid 1022] close(27 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1026] chdir("./147" [pid 1025] <... symlink resumed>) = 0 [pid 1024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1026] <... chdir resumed>) = 0 [pid 1025] write(1, "executing program\n", 18) = 18 [pid 1024] exit_group(0 [pid 1022] close(28 executing program [pid 1025] mkdirat(AT_FDCWD, "./config", 0777 [pid 1026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1025] <... mkdirat resumed>) = 0 [pid 1026] <... prctl resumed>) = 0 [pid 1024] <... exit_group resumed>) = ? [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1026] setpgid(0, 0 [pid 1025] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1025] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1025] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1025] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1026] <... setpgid resumed>) = 0 [pid 1025] <... mkdirat resumed>) = 0 [pid 1024] +++ exited with 0 +++ [pid 1022] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1026] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1025] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1026] <... symlink resumed>) = 0 [pid 1025] <... symlinkat resumed>) = 0 [pid 312] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1026] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1025] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1022] exit_group(0 [pid 312] <... openat resumed>) = 3 [pid 1026] <... symlink resumed>) = 0 [pid 1025] <... unlinkat resumed>) = 0 [pid 1022] <... exit_group resumed>) = ? [pid 312] fstat(3 [pid 1026] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1025] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1025] close(3) = -1 EBADF (Bad file descriptor) [pid 1022] +++ exited with 0 +++ [pid 1025] close(4) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1025] close(5) = -1 EBADF (Bad file descriptor) [pid 1026] <... symlink resumed>) = 0 [pid 1025] close(6 [pid 312] getdents64(3 [pid 310] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1025] close(7 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1026] <... openat resumed>) = 3 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1026] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1026] <... write resumed>) = 4 [pid 1025] close(8 [pid 312] <... umount2 resumed>) = 0 [pid 1026] close(3 [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1026] <... close resumed>) = 0 [pid 1025] close(9 [pid 312] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 1026] symlink("/dev/binderfs", "./binderfs" [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1026] <... symlink resumed>) = 0 [pid 1025] close(10 [pid 312] newfstatat(AT_FDCWD, "./145/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1026] write(1, "executing program\n", 18 [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1026] <... write resumed>) = 18 [pid 1025] close(11 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 1026] mkdirat(AT_FDCWD, "./config", 0777 [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1026] <... mkdirat resumed>) = 0 [pid 1025] close(12 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1026] mount(NULL, "./config", "configfs", 0, NULL [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1026] <... mount resumed>) = 0 [pid 1025] close(13 [pid 312] openat(AT_FDCWD, "./145/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 1026] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1025] close(14 [pid 312] <... openat resumed>) = 4 [pid 310] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1026] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1025] close(15 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./138/config" [pid 1025] close(16) = -1 EBADF (Bad file descriptor) [pid 1026] <... mkdirat resumed>) = 0 [pid 1025] close(17 [pid 312] getdents64(4 [pid 1026] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1026] <... symlinkat resumed>) = 0 [pid 1025] close(18 [pid 312] getdents64(4 [pid 310] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1026] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1026] <... unlinkat resumed>) = 0 [pid 1025] close(19 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(4 [pid 1026] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./138/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1026] <... unlinkat resumed>) = 0 [pid 1025] close(20 [pid 312] <... close resumed>) = 0 [pid 1026] close(3 [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1025] close(21 [pid 312] rmdir("./145/config" [pid 310] fstat(4 [pid 1026] close(4 [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1025] close(22 [pid 312] <... rmdir resumed>) = 0 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1026] close(5 [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1025] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1026] close(6 [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./145/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1025] close(24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] getdents64(4 [pid 1026] close(7 [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./145/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1025] close(25) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1026] close(8 [pid 1025] close(26 [pid 312] umount2("./145/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1026] close(9 [pid 1025] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./145/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./138/config" [pid 1026] close(10 [pid 1025] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./145/cgroup.net" [pid 310] <... rmdir resumed>) = 0 [pid 1026] close(11 [pid 1025] close(29 [pid 311] <... openat resumed>) = 3 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] fstat(3 [pid 310] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1026] close(12 [pid 1025] exit_group(0 [pid 312] umount2("./145/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1025] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1026] close(13 [pid 1025] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./145/cgroup.cpu" [pid 311] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./138/binderfs" [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1026] close(14 [pid 312] unlink("./145/cgroup.cpu" [pid 311] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] unlink("./138/binderfs" [pid 1026] close(15 [pid 312] umount2("./145/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1026] close(16 [pid 312] newfstatat(AT_FDCWD, "./145/cgroup" [pid 311] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./138/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1026] close(17 [pid 312] unlink("./145/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./140/config" [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1026] close(18 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./138/cgroup.net" [pid 312] getdents64(3 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1026] close(19 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./138/cgroup.net" [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] openat(AT_FDCWD, "./140/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1026] close(20 [pid 312] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./145" [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./138/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1026] close(21 [pid 312] <... rmdir resumed>) = 0 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1026] close(22 [pid 312] mkdir("./146", 0777 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./138/cgroup.cpu" [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1026] close(23 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] getdents64(4 [pid 310] unlink("./138/cgroup.cpu" [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1026] close(24 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1027 attached [pid 1026] close(25 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./138/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1027] set_robust_list(0x55555bb49760, 24 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 148 [pid 311] close(4 [pid 1027] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1027] rt_sigprocmask(SIG_SETMASK, [] [pid 1026] close(26 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./138/cgroup" [pid 1027] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rmdir("./140/config" [pid 1027] chdir("./146" [pid 1026] close(27 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1027] <... chdir resumed>) = 0 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] unlink("./138/cgroup" [pid 1027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1026] close(28 [pid 311] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1027] <... prctl resumed>) = 0 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1027] setpgid(0, 0 [pid 1026] close(29 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1027] <... setpgid resumed>) = 0 [pid 1026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./140/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1027] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 1026] exit_group(0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 1027] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1026] <... exit_group resumed>) = ? [pid 311] unlink("./140/binderfs" [pid 1027] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1027] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 1027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1027] write(3, "1000", 4 [pid 1026] +++ exited with 0 +++ [pid 1027] <... write resumed>) = 4 [pid 1027] close(3 [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./138" [pid 1027] <... close resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./140/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1027] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 1027] <... symlink resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./139", 0777 [pid 1027] write(1, "executing program\n", 18 executing program [pid 311] newfstatat(AT_FDCWD, "./140/cgroup.net" [pid 1027] <... write resumed>) = 18 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1027] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] unlink("./140/cgroup.net" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1027] <... mkdirat resumed>) = 0 [pid 1027] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... unlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1027] <... mount resumed>) = 0 [pid 311] umount2("./140/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... restart_syscall resumed>) = 0 [pid 1027] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] newfstatat(AT_FDCWD, "./140/cgroup.cpu" [pid 1027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 1028 attached ) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1028] set_robust_list(0x55555bb49760, 24 [pid 1027] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] unlink("./140/cgroup.cpu" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 141 [pid 1028] <... set_robust_list resumed>) = 0 [pid 1027] <... symlinkat resumed>) = 0 [pid 1028] rt_sigprocmask(SIG_SETMASK, [] [pid 1027] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1028] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1027] <... unlinkat resumed>) = 0 [pid 311] umount2("./140/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1028] chdir("./139" [pid 1027] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1028] <... chdir resumed>) = 0 [pid 1027] <... unlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./140/cgroup" [pid 1028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1027] close(3 [pid 309] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1028] <... prctl resumed>) = 0 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1028] setpgid(0, 0 [pid 1027] close(4 [pid 311] unlink("./140/cgroup" [pid 309] <... openat resumed>) = 3 [pid 1028] <... setpgid resumed>) = 0 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 1028] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1027] close(5 [pid 311] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1028] <... symlink resumed>) = 0 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1027] close(6 [pid 311] getdents64(3 [pid 1028] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1028] <... symlink resumed>) = 0 [pid 1027] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 309] getdents64(3 [pid 1028] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... close resumed>) = 0 [pid 1028] <... symlink resumed>) = 0 [pid 1027] close(8 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] rmdir("./140" [pid 309] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1028] <... openat resumed>) = 3 [pid 1027] close(9 [pid 313] fstat(3 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1028] write(3, "1000", 4 [pid 1027] close(10 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] mkdir("./141", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 1028] <... write resumed>) = 4 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1028] close(3 [pid 1027] close(11 [pid 311] <... mkdir resumed>) = 0 [pid 309] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1028] <... close resumed>) = 0 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1028] symlink("/dev/binderfs", "./binderfs" [pid 1027] close(12 [pid 313] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1028] <... symlink resumed>) = 0 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./137/config" [pid 1028] write(1, "executing program\n", 18 [pid 1027] close(13 [pid 313] <... umount2 resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1028] <... write resumed>) = 18 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1027] close(14) = -1 EBADF (Bad file descriptor) [pid 1027] close(15) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1029 attached executing program [pid 1028] mkdirat(AT_FDCWD, "./config", 0777 [pid 1027] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./137/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1029] set_robust_list(0x55555bb49760, 24 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1029] <... set_robust_list resumed>) = 0 [pid 1028] <... mkdirat resumed>) = 0 [pid 1027] close(17 [pid 313] newfstatat(AT_FDCWD, "./147/config" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 143 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1029] rt_sigprocmask(SIG_SETMASK, [] [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1029] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1027] close(18 [pid 1029] chdir("./141" [pid 1028] mount(NULL, "./config", "configfs", 0, NULL [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./137/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1029] <... chdir resumed>) = 0 [pid 1028] <... mount resumed>) = 0 [pid 1027] close(19 [pid 313] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 1029] <... prctl resumed>) = 0 [pid 1028] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1027] close(20 [pid 313] openat(AT_FDCWD, "./147/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(4 [pid 1029] setpgid(0, 0 [pid 1028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1029] <... setpgid resumed>) = 0 [pid 1028] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1027] close(21 [pid 313] fstat(4 [pid 309] getdents64(4 [pid 1029] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1029] <... symlink resumed>) = 0 [pid 1027] close(22 [pid 1029] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1028] <... mkdirat resumed>) = 0 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1029] <... symlink resumed>) = 0 [pid 1028] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1027] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 1029] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1029] <... symlink resumed>) = 0 [pid 1028] <... symlinkat resumed>) = 0 [pid 1027] close(24 [pid 313] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1028] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 1029] <... openat resumed>) = 3 [pid 1027] close(25 [pid 1028] <... unlinkat resumed>) = 0 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 309] <... close resumed>) = 0 [pid 1029] write(3, "1000", 4 [pid 1028] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1027] close(26 [pid 313] <... close resumed>) = 0 [pid 309] rmdir("./137/config" [pid 1029] <... write resumed>) = 4 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] <... unlinkat resumed>) = 0 [pid 1027] close(27 [pid 313] rmdir("./147/config" [pid 1029] close(3 [pid 1028] close(3 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1029] <... close resumed>) = 0 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1027] close(28 [pid 313] <... rmdir resumed>) = 0 [pid 309] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1029] symlink("/dev/binderfs", "./binderfs" [pid 1028] close(4 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1029] <... symlink resumed>) = 0 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1027] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1029] write(1, "executing program\n", 18 [pid 1028] close(5 [pid 1027] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] newfstatat(AT_FDCWD, "./147/binderfs" [pid 1029] <... write resumed>) = 18 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1027] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./137/binderfs" [pid 1029] mkdirat(AT_FDCWD, "./config", 0777 [pid 1028] close(6 [pid 1027] <... exit_group resumed>) = ? [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1029] <... mkdirat resumed>) = 0 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1027] +++ exited with 0 +++ [pid 313] unlink("./147/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1029] mount(NULL, "./config", "configfs", 0, NULL [pid 1028] close(7 [pid 313] <... unlink resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] unlink("./137/binderfs" [pid 1029] <... mount resumed>) = 0 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 1028] close(8 [pid 1029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./147/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./137/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1029] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1028] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./147/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1029] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1028] close(10 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./137/cgroup.net" [pid 1029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./147/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1029] <... mkdirat resumed>) = 0 [pid 1028] close(11 [pid 313] <... unlink resumed>) = 0 [pid 309] unlink("./137/cgroup.net" [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1029] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] umount2("./147/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1028] close(12 [pid 309] <... unlink resumed>) = 0 [pid 1029] <... symlinkat resumed>) = 0 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./137/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1029] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1028] close(13 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1029] <... unlinkat resumed>) = 0 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./147/cgroup.cpu" [pid 1029] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1028] close(14 [pid 309] newfstatat(AT_FDCWD, "./137/cgroup.cpu" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1029] <... unlinkat resumed>) = 0 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./147/cgroup.cpu" [pid 1029] close(3 [pid 1028] close(15 [pid 309] unlink("./137/cgroup.cpu" [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1029] close(4 [pid 1028] close(16 [pid 313] umount2("./147/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./137/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1029] close(5 [pid 1028] close(17 [pid 313] newfstatat(AT_FDCWD, "./147/cgroup" [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1029] close(6 [pid 1028] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./147/cgroup" [pid 309] newfstatat(AT_FDCWD, "./137/cgroup" [pid 1029] close(7 [pid 1028] close(19 [pid 313] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1028] close(20 [pid 309] unlink("./137/cgroup" [pid 1029] close(8 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] close(21 [pid 313] close(3 [pid 309] <... unlink resumed>) = 0 [pid 1029] close(9 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] close(22 [pid 313] rmdir("./147" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1029] close(10 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1028] close(23 [pid 309] close(3 [pid 1029] close(11 [pid 313] mkdir("./148", 0777 [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 1029] close(12 [pid 1028] close(24 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./137" [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1029] close(13 [pid 1028] close(25 [pid 309] <... rmdir resumed>) = 0 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] mkdir("./138", 0777 [pid 1029] close(14 [pid 1028] close(26ci2-android-5-15/strace-static-x86_64: Process 1030 attached [pid 1030] set_robust_list(0x55555bb49760, 24 [pid 309] <... mkdir resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1030] <... set_robust_list resumed>) = 0 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 150 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1030] rt_sigprocmask(SIG_SETMASK, [] [pid 1029] close(15 [pid 1028] close(27 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1030] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1030] chdir("./148" [pid 1029] close(16 [pid 1028] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1030] <... chdir resumed>) = 0 [pid 1030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1030] setpgid(0, 0) = 0 [pid 1030] symlink("/syzcgroup/unified/syz4", "./cgroup"ci2-android-5-15/strace-static-x86_64: Process 1031 attached ) = 0 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1031] set_robust_list(0x55555bb49760, 24 [pid 1030] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1029] close(17 [pid 1028] close(29 [pid 312] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 140 [pid 1031] <... set_robust_list resumed>) = 0 [pid 1030] <... symlink resumed>) = 0 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1031] rt_sigprocmask(SIG_SETMASK, [] [pid 1030] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1029] close(18 [pid 1028] exit_group(0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1031] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1030] <... symlink resumed>) = 0 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1028] <... exit_group resumed>) = ? [pid 312] getdents64(3 [pid 1031] chdir("./138" [pid 1030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1029] close(19 [pid 1030] <... openat resumed>) = 3 [pid 1030] write(3, "1000", 4) = 4 [pid 1030] close(3) = 0 [pid 1030] symlink("/dev/binderfs", "./binderfs" [pid 1028] +++ exited with 0 +++ [pid 1031] <... chdir resumed>) = 0 [pid 1030] <... symlink resumed>) = 0 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1030] write(1, "executing program\n", 18 [pid 1029] close(20 [pid 312] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1031] <... prctl resumed>) = 0 [pid 1030] <... write resumed>) = 18 executing program [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1031] setpgid(0, 0 [pid 1030] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... umount2 resumed>) = 0 [pid 1031] <... setpgid resumed>) = 0 [pid 1030] <... mkdirat resumed>) = 0 [pid 1029] close(21 [pid 312] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1031] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1030] mount(NULL, "./config", "configfs", 0, NULL [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1031] <... symlink resumed>) = 0 [pid 1030] <... mount resumed>) = 0 [pid 1029] close(22 [pid 312] newfstatat(AT_FDCWD, "./146/config" [pid 1031] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1031] <... symlink resumed>) = 0 [pid 1030] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1029] close(23 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1031] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1031] <... symlink resumed>) = 0 [pid 1030] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1029] close(24 [pid 1031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1031] <... openat resumed>) = 3 [pid 1030] <... mkdirat resumed>) = 0 [pid 1029] close(25 [pid 312] openat(AT_FDCWD, "./146/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1031] write(3, "1000", 4 [pid 1030] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1031] <... write resumed>) = 4 [pid 1030] <... symlinkat resumed>) = 0 [pid 1029] close(26 [pid 312] <... openat resumed>) = 4 [pid 310] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1031] close(3 [pid 1030] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1031] <... close resumed>) = 0 [pid 1030] <... unlinkat resumed>) = 0 [pid 1029] close(27 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... openat resumed>) = 3 [pid 1031] symlink("/dev/binderfs", "./binderfs" [pid 1030] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] fstat(3 [pid 1031] <... symlink resumed>) = 0 [pid 1030] <... unlinkat resumed>) = 0 [pid 1029] close(28 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1031] write(1, "executing program\n", 18 [pid 1030] close(3 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1031] <... write resumed>) = 18 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1029] close(29 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 executing program [pid 310] getdents64(3 [pid 1031] mkdirat(AT_FDCWD, "./config", 0777 [pid 1030] close(4 [pid 1029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1031] <... mkdirat resumed>) = 0 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1030] close(5 [pid 1029] exit_group(0 [pid 312] <... close resumed>) = 0 [pid 1031] mount(NULL, "./config", "configfs", 0, NULL [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1029] <... exit_group resumed>) = ? [pid 312] rmdir("./146/config" [pid 310] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1031] <... mount resumed>) = 0 [pid 1030] close(6) = -1 EBADF (Bad file descriptor) [pid 1030] close(7) = -1 EBADF (Bad file descriptor) [pid 1030] close(8) = -1 EBADF (Bad file descriptor) [pid 1030] close(9) = -1 EBADF (Bad file descriptor) [pid 1030] close(10) = -1 EBADF (Bad file descriptor) [pid 1030] close(11 [pid 1029] +++ exited with 0 +++ [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1030] close(12) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1030] close(13 [pid 1031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = 0 [pid 1031] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1030] close(14 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./146/binderfs" [pid 1031] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1030] close(15 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./139/config" [pid 1030] close(16 [pid 1031] <... mkdirat resumed>) = 0 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./146/binderfs" [pid 1031] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1030] close(17 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1031] <... symlinkat resumed>) = 0 [pid 1030] close(18 [pid 312] umount2("./146/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1031] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1030] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1031] <... unlinkat resumed>) = 0 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./146/cgroup.net" [pid 311] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./139/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1031] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1030] close(20 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1031] <... unlinkat resumed>) = 0 [pid 1030] close(21 [pid 312] unlink("./146/cgroup.net" [pid 311] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 1031] close(3 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1030] close(22 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1031] close(4 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./146/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(3 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1030] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(4 [pid 1031] close(5 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./146/cgroup.cpu" [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1030] close(24 [pid 311] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1031] close(6 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./146/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] getdents64(4 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1030] close(25 [pid 312] <... unlink resumed>) = 0 [pid 1031] close(7 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./146/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1030] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 1031] close(8 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./146/cgroup" [pid 311] <... umount2 resumed>) = 0 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1030] close(27 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1031] close(9 [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./146/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./139/config" [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1030] close(28) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./141/config" [pid 310] <... rmdir resumed>) = 0 [pid 1031] close(10 [pid 1030] close(29 [pid 312] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1031] close(11 [pid 1030] exit_group(0 [pid 312] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1030] <... exit_group resumed>) = ? [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./139/binderfs" [pid 1031] close(12 [pid 1030] +++ exited with 0 +++ [pid 312] rmdir("./146" [pid 311] openat(AT_FDCWD, "./141/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1031] close(13 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] unlink("./139/binderfs" [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] mkdir("./147", 0777 [pid 311] fstat(4 [pid 1031] close(14 [pid 310] <... unlink resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./139/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1031] close(15 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(4 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1031] close(16ci2-android-5-15/strace-static-x86_64: Process 1032 attached ) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./139/cgroup.net" [pid 1032] set_robust_list(0x55555bb49760, 24 [pid 1031] close(17 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 149 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1032] <... set_robust_list resumed>) = 0 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1032] rt_sigprocmask(SIG_SETMASK, [] [pid 1031] close(18 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] close(4 [pid 310] unlink("./139/cgroup.net" [pid 1032] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... close resumed>) = 0 [pid 1032] chdir("./147" [pid 1031] close(19 [pid 310] <... unlink resumed>) = 0 [pid 1032] <... chdir resumed>) = 0 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./141/config" [pid 310] umount2("./139/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1031] close(20 [pid 1032] <... prctl resumed>) = 0 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1032] setpgid(0, 0 [pid 1031] close(21 [pid 311] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./139/cgroup.cpu" [pid 1032] <... setpgid resumed>) = 0 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1032] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1031] close(22 [pid 311] newfstatat(AT_FDCWD, "./141/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1032] <... symlink resumed>) = 0 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./139/cgroup.cpu" [pid 1032] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1031] close(23 [pid 311] unlink("./141/binderfs" [pid 1032] <... symlink resumed>) = 0 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1032] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1031] close(24 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./139/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1032] <... symlink resumed>) = 0 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./141/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1031] close(25 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1032] <... openat resumed>) = 3 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./139/cgroup" [pid 1032] write(3, "1000", 4 [pid 1031] close(26 [pid 311] newfstatat(AT_FDCWD, "./141/cgroup.net" [pid 1032] <... write resumed>) = 4 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1032] close(3 [pid 1031] close(27 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./139/cgroup" [pid 1032] <... close resumed>) = 0 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./141/cgroup.net" [pid 1032] symlink("/dev/binderfs", "./binderfs" [pid 1031] close(28 [pid 310] <... unlink resumed>) = 0 [pid 1032] <... symlink resumed>) = 0 [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 1032] write(1, "executing program\n", 18 [pid 1031] close(29 [pid 311] umount2("./141/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1032] <... write resumed>) = 18 executing program [pid 1031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1032] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1032] <... mkdirat resumed>) = 0 [pid 1031] exit_group(0 [pid 313] <... restart_syscall resumed>) = 0 [pid 310] close(3 [pid 1032] mount(NULL, "./config", "configfs", 0, NULL [pid 1031] <... exit_group resumed>) = ? [pid 311] newfstatat(AT_FDCWD, "./141/cgroup.cpu" [pid 1032] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1031] +++ exited with 0 +++ [pid 1032] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./139" [pid 313] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1032] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] unlink("./141/cgroup.cpu" [pid 310] <... rmdir resumed>) = 0 [pid 1032] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1032] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... unlink resumed>) = 0 [pid 310] mkdir("./140", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1032] <... unlinkat resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] umount2("./141/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1032] close(3 [pid 313] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./141/cgroup" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1032] close(4 [pid 313] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] unlink("./141/cgroup" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1032] close(5 [pid 313] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1032] close(6) = -1 EBADF (Bad file descriptor) [pid 1032] close(7) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1033 attached [pid 1032] close(8 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = 0 [pid 1033] set_robust_list(0x55555bb49760, 24 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 142 [pid 309] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1033] <... set_robust_list resumed>) = 0 [pid 1032] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1033] rt_sigprocmask(SIG_SETMASK, [] [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./148/config" [pid 311] close(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 1033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1032] close(10 [pid 1033] chdir("./140" [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1033] <... chdir resumed>) = 0 [pid 1032] close(11 [pid 1033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 309] fstat(3 [pid 1033] <... prctl resumed>) = 0 [pid 1032] close(12 [pid 313] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./141" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1033] setpgid(0, 0 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 1033] <... setpgid resumed>) = 0 [pid 1032] close(13 [pid 313] openat(AT_FDCWD, "./148/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] mkdir("./142", 0777 [pid 309] getdents64(3 [pid 1033] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1033] <... symlink resumed>) = 0 [pid 1032] close(14 [pid 313] fstat(4 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1033] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1033] <... symlink resumed>) = 0 [pid 1032] close(15 [pid 313] getdents64(4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1033] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = 0 [pid 1033] <... symlink resumed>) = 0 [pid 1032] close(16 [pid 313] getdents64(4 [pid 1033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1034 attached [pid 1033] <... openat resumed>) = 3 [pid 1032] close(17 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1034] set_robust_list(0x55555bb49760, 24 [pid 1033] write(3, "1000", 4 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 144 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1034] <... set_robust_list resumed>) = 0 [pid 1033] <... write resumed>) = 4 [pid 1032] close(18 [pid 313] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./138/config" [pid 1034] rt_sigprocmask(SIG_SETMASK, [] [pid 1033] close(3 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./148/config" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1034] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1033] <... close resumed>) = 0 [pid 1032] close(19 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1034] chdir("./142" [pid 1033] symlink("/dev/binderfs", "./binderfs" [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] umount2("./138/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1034] <... chdir resumed>) = 0 [pid 1033] <... symlink resumed>) = 0 [pid 1032] close(20 executing program [pid 313] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1033] write(1, "executing program\n", 18 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1034] <... prctl resumed>) = 0 [pid 1033] <... write resumed>) = 18 [pid 1032] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./138/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1034] setpgid(0, 0 [pid 1033] mkdirat(AT_FDCWD, "./config", 0777 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./148/binderfs" [pid 1034] <... setpgid resumed>) = 0 [pid 1033] <... mkdirat resumed>) = 0 [pid 1032] close(22 [pid 309] <... openat resumed>) = 4 [pid 1033] mount(NULL, "./config", "configfs", 0, NULL [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1033] <... mount resumed>) = 0 [pid 1032] close(23 [pid 1033] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1033] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1032] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1034] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1033] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./148/binderfs" [pid 309] fstat(4 [pid 1034] <... symlink resumed>) = 0 [pid 1033] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1032] close(25 [pid 1034] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1033] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1034] <... symlink resumed>) = 0 [pid 1033] <... mkdirat resumed>) = 0 [pid 1032] close(26 [pid 313] umount2("./148/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1034] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1033] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1034] <... symlink resumed>) = 0 [pid 1033] <... symlinkat resumed>) = 0 [pid 1032] close(27 [pid 313] newfstatat(AT_FDCWD, "./148/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1033] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1034] <... openat resumed>) = 3 [pid 1033] <... unlinkat resumed>) = 0 [pid 1032] close(28 [pid 313] unlink("./148/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1034] write(3, "1000", 4 [pid 1033] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1034] <... write resumed>) = 4 [pid 1033] <... unlinkat resumed>) = 0 [pid 1032] close(29 [pid 313] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1034] close(3 [pid 1033] close(3 [pid 1032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./148/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1034] <... close resumed>) = 0 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1034] symlink("/dev/binderfs", "./binderfs" [pid 1033] close(4 [pid 1032] exit_group(0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./138/config" [pid 1034] <... symlink resumed>) = 0 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1032] <... exit_group resumed>) = ? [pid 313] newfstatat(AT_FDCWD, "./148/cgroup.cpu" [pid 1034] write(1, "executing program\n", 18 [pid 1033] close(5 [pid 309] <... rmdir resumed>) = 0 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1033] close(6) = -1 EBADF (Bad file descriptor) [pid 1033] close(7) = -1 EBADF (Bad file descriptor) [pid 1033] close(8) = -1 EBADF (Bad file descriptor) [pid 1033] close(9) = -1 EBADF (Bad file descriptor) [pid 1033] close(10 [pid 1032] +++ exited with 0 +++ [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1033] close(11 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1034] <... write resumed>) = 18 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./148/cgroup.cpu" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1034] mkdirat(AT_FDCWD, "./config", 0777 [pid 1033] close(12 [pid 313] <... unlink resumed>) = 0 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1034] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1034] mount(NULL, "./config", "configfs", 0, NULL [pid 1033] close(13 [pid 313] umount2("./148/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./138/binderfs" [pid 1034] <... mount resumed>) = 0 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1033] close(14 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1034] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./148/cgroup" [pid 309] unlink("./138/binderfs" [pid 1034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1033] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1034] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./148/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1033] close(16) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] umount2("./138/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1033] close(17 [pid 1034] <... mkdirat resumed>) = 0 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1034] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1033] close(18 [pid 313] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1034] <... symlinkat resumed>) = 0 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./138/cgroup.net" [pid 1034] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1033] close(19 [pid 313] close(3 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1034] <... unlinkat resumed>) = 0 [pid 1033] close(20 [pid 313] <... close resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] unlink("./138/cgroup.net" [pid 1034] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./148" [pid 1033] close(21 [pid 309] <... unlink resumed>) = 0 [pid 1034] <... unlinkat resumed>) = 0 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1033] close(22 [pid 313] <... rmdir resumed>) = 0 [pid 309] umount2("./138/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1034] close(3 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./149", 0777 [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1033] close(23 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1034] close(4 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./138/cgroup.cpu" [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1033] close(24 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1034] close(5 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1033] close(25 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./138/cgroup.cpu" [pid 1034] close(6 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1033] close(26) = -1 EBADF (Bad file descriptor) [pid 1033] close(27) = -1 EBADF (Bad file descriptor) [pid 1033] close(28ci2-android-5-15/strace-static-x86_64: Process 1035 attached ) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1035] set_robust_list(0x55555bb49760, 24 [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1033] close(29 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 151 [pid 312] <... openat resumed>) = 3 [pid 309] umount2("./138/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1035] <... set_robust_list resumed>) = 0 [pid 1034] close(7 [pid 1033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] fstat(3 [pid 1035] rt_sigprocmask(SIG_SETMASK, [] [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1033] exit_group(0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1035] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1034] close(8 [pid 1033] <... exit_group resumed>) = ? [pid 1035] chdir("./149" [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1033] +++ exited with 0 +++ [pid 312] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./138/cgroup" [pid 1035] <... chdir resumed>) = 0 [pid 1034] close(9 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1035] <... prctl resumed>) = 0 [pid 1034] close(10 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] unlink("./138/cgroup" [pid 1035] setpgid(0, 0 [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1035] <... setpgid resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1034] close(11 [pid 1035] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1035] <... symlink resumed>) = 0 [pid 1034] close(12 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1035] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./147/config" [pid 309] close(3 [pid 1035] <... symlink resumed>) = 0 [pid 1034] close(13 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1035] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1035] <... symlink resumed>) = 0 [pid 1034] close(14 [pid 312] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./138" [pid 1035] <... openat resumed>) = 3 [pid 1034] close(15 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1035] write(3, "1000", 4 [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./147/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 1035] <... write resumed>) = 4 [pid 1034] close(16 [pid 1035] close(3 [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 309] mkdir("./139", 0777 [pid 1035] <... close resumed>) = 0 [pid 1034] close(17 [pid 312] fstat(4 [pid 1035] symlink("/dev/binderfs", "./binderfs" [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1035] <... symlink resumed>) = 0 [pid 1034] close(18 [pid 312] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1035] write(1, "executing program\n", 18 [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1035] <... write resumed>) = 18 [pid 1034] close(19 [pid 312] getdents64(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1035] mkdirat(AT_FDCWD, "./config", 0777 [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1035] <... mkdirat resumed>) = 0 [pid 1035] mount(NULL, "./config", "configfs", 0, NULL) = 0 ci2-android-5-15/strace-static-x86_64: Process 1036 attached [pid 1035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1034] close(20 [pid 312] close(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 141 [pid 1036] set_robust_list(0x55555bb49760, 24 [pid 1035] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1036] <... set_robust_list resumed>) = 0 [pid 1035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1034] close(21 [pid 312] rmdir("./147/config" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1036] rt_sigprocmask(SIG_SETMASK, [] [pid 1035] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1036] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 310] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1036] chdir("./139" [pid 1035] <... mkdirat resumed>) = 0 [pid 1034] close(22 [pid 312] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1036] <... chdir resumed>) = 0 [pid 1035] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1035] <... symlinkat resumed>) = 0 [pid 1034] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1036] <... prctl resumed>) = 0 [pid 1035] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./147/binderfs" [pid 310] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1036] setpgid(0, 0 [pid 1035] <... unlinkat resumed>) = 0 [pid 1034] close(24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1036] <... setpgid resumed>) = 0 [pid 1035] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./147/binderfs" [pid 310] <... openat resumed>) = 3 [pid 1036] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1035] <... unlinkat resumed>) = 0 [pid 1034] close(25 [pid 1035] close(3 [pid 312] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 1036] <... symlink resumed>) = 0 [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./147/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1036] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1035] close(4 [pid 1034] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1036] <... symlink resumed>) = 0 [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1036] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1035] close(5 [pid 1034] close(27 [pid 312] newfstatat(AT_FDCWD, "./147/cgroup.net" [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1036] <... symlink resumed>) = 0 [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1035] close(6 [pid 1034] close(28 [pid 312] unlink("./147/cgroup.net" [pid 310] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1036] <... openat resumed>) = 3 [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1036] write(3, "1000", 4 [pid 1035] close(7 [pid 1034] close(29 [pid 312] umount2("./147/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 1036] <... write resumed>) = 4 [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1036] close(3 [pid 1035] close(8 [pid 310] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1036] <... close resumed>) = 0 [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1034] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./147/cgroup.cpu" [pid 1036] symlink("/dev/binderfs", "./binderfs" [pid 1035] close(9 [pid 1034] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1036] <... symlink resumed>) = 0 [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1035] close(10) = -1 EBADF (Bad file descriptor) [pid 1035] close(11) = -1 EBADF (Bad file descriptor) [pid 1035] close(12) = -1 EBADF (Bad file descriptor) [pid 1035] close(13) = -1 EBADF (Bad file descriptor) [pid 1035] close(14) = -1 EBADF (Bad file descriptor) [pid 1035] close(15) = -1 EBADF (Bad file descriptor) [pid 1034] +++ exited with 0 +++ [pid 1035] close(16) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./147/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./140/config" [pid 1036] write(1, "executing program\n", 18 [pid 1035] close(17 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 1036] <... write resumed>) = 18 [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1036] mkdirat(AT_FDCWD, "./config", 0777 [pid 1035] close(18 [pid 312] umount2("./147/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1036] <... mkdirat resumed>) = 0 [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1036] mount(NULL, "./config", "configfs", 0, NULL [pid 1035] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1036] <... mount resumed>) = 0 [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./147/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./140/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1036] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1035] close(20 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1036] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./147/cgroup" [pid 310] <... openat resumed>) = 4 [pid 1036] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1035] close(21 [pid 311] <... openat resumed>) = 3 [pid 1036] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] fstat(3 [pid 310] fstat(4 [pid 1036] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1035] close(22 [pid 312] getdents64(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1036] <... mkdirat resumed>) = 0 [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1036] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1035] close(23 [pid 312] close(3 [pid 311] getdents64(3 [pid 310] getdents64(4 [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1035] close(24) = -1 EBADF (Bad file descriptor) [pid 1035] close(25) = -1 EBADF (Bad file descriptor) [pid 1035] close(26) = -1 EBADF (Bad file descriptor) [pid 1035] close(27) = -1 EBADF (Bad file descriptor) [pid 1035] close(28) = -1 EBADF (Bad file descriptor) [pid 1035] close(29 [pid 1036] <... symlinkat resumed>) = 0 [pid 1035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1036] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1035] exit_group(0 [pid 312] rmdir("./147" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1036] <... unlinkat resumed>) = 0 [pid 1035] <... exit_group resumed>) = ? [pid 312] <... rmdir resumed>) = 0 [pid 311] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1036] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1035] +++ exited with 0 +++ [pid 312] mkdir("./148", 0777 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1036] <... unlinkat resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 310] close(4 [pid 1036] close(3 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... close resumed>) = 0 [pid 1036] close(4 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./140/config" [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1037 attached [pid 311] newfstatat(AT_FDCWD, "./142/config" [pid 1037] set_robust_list(0x55555bb49760, 24 [pid 1036] close(5 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 150 [pid 310] <... rmdir resumed>) = 0 [pid 1037] <... set_robust_list resumed>) = 0 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1037] rt_sigprocmask(SIG_SETMASK, [] [pid 1036] close(6 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1037] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1037] chdir("./148" [pid 1036] close(7 [pid 311] openat(AT_FDCWD, "./142/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./140/binderfs" [pid 1037] <... chdir resumed>) = 0 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 1037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1036] close(8 [pid 311] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1037] <... prctl resumed>) = 0 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1037] setpgid(0, 0 [pid 1036] close(9 [pid 310] unlink("./140/binderfs" [pid 1037] <... setpgid resumed>) = 0 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 1037] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1036] close(10 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./140/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1037] <... symlink resumed>) = 0 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1037] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1036] close(11 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./140/cgroup.net" [pid 1037] <... symlink resumed>) = 0 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 1037] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1036] close(12 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 1037] <... symlink resumed>) = 0 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./140/cgroup.net" [pid 311] rmdir("./142/config" [pid 1037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1036] close(13 [pid 310] <... unlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] <... openat resumed>) = 3 [pid 1036] close(14 [pid 311] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./140/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1037] write(3, "1000", 4 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] <... write resumed>) = 4 [pid 1036] close(15 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1037] close(3 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./142/binderfs" [pid 310] newfstatat(AT_FDCWD, "./140/cgroup.cpu" [pid 1037] <... close resumed>) = 0 [pid 1036] close(16 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1037] symlink("/dev/binderfs", "./binderfs" [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./142/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1037] <... symlink resumed>) = 0 [pid 1036] close(17 [pid 1037] write(1, "executing program\n", 18 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./140/cgroup.cpu" [pid 1037] <... write resumed>) = 18 [pid 1036] close(18 [pid 311] umount2("./142/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1037] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1036] close(19 [pid 310] umount2("./140/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1037] <... mkdirat resumed>) = 0 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 311] newfstatat(AT_FDCWD, "./142/cgroup.net" [pid 1037] mount(NULL, "./config", "configfs", 0, NULL [pid 1036] close(20 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1037] <... mount resumed>) = 0 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1036] close(21 [pid 311] unlink("./142/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./140/cgroup" [pid 1037] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... unlink resumed>) = 0 [pid 1036] close(22 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1037] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./142/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./140/cgroup" [pid 1037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1036] close(23 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1037] <... mkdirat resumed>) = 0 [pid 1036] close(24 [pid 1037] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./142/cgroup.cpu" [pid 310] getdents64(3 [pid 1037] <... symlinkat resumed>) = 0 [pid 1036] close(25 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1037] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 1037] <... unlinkat resumed>) = 0 [pid 1036] close(26 [pid 311] unlink("./142/cgroup.cpu" [pid 1037] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1037] <... unlinkat resumed>) = 0 [pid 1036] close(27 [pid 1037] close(3 [pid 311] umount2("./142/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./140" [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1037] close(4 [pid 1036] close(28 [pid 313] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./142/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./141", 0777 [pid 1037] close(5 [pid 1036] close(29 [pid 313] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./142/cgroup" [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1036] exit_group(0 [pid 313] fstat(3 [pid 311] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1036] <... exit_group resumed>) = ? [pid 1037] close(6 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1036] +++ exited with 0 +++ [pid 313] getdents64(3 [pid 311] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1037] close(7 [pid 313] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./142"ci2-android-5-15/strace-static-x86_64: Process 1038 attached [pid 1038] set_robust_list(0x55555bb49760, 24) = 0 [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 143 [pid 1038] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1038] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1038] chdir("./141") = 0 [pid 1038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1038] setpgid(0, 0) = 0 [pid 1038] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 1037] close(8 [pid 313] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] mkdir("./143", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1038] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1038] <... symlink resumed>) = 0 [pid 1037] close(9 [pid 313] newfstatat(AT_FDCWD, "./149/config" [pid 311] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1038] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1038] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1037] close(10 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1038] <... openat resumed>) = 3 [pid 1037] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1038] write(3, "1000", 4 [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./149/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1038] <... write resumed>) = 4 [pid 1038] close(3) = 0 [pid 1038] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1038] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 1039 attached executing program ) = 18 [pid 1037] close(12 [pid 313] <... openat resumed>) = 4 [pid 1039] set_robust_list(0x55555bb49760, 24 [pid 1038] mkdirat(AT_FDCWD, "./config", 0777 [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 145 [pid 1039] <... set_robust_list resumed>) = 0 [pid 1038] <... mkdirat resumed>) = 0 [pid 1037] close(13 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1039] rt_sigprocmask(SIG_SETMASK, [] [pid 1038] mount(NULL, "./config", "configfs", 0, NULL [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 1039] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1038] <... mount resumed>) = 0 [pid 1037] close(14 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1039] chdir("./143" [pid 1038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1039] <... chdir resumed>) = 0 [pid 1038] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1037] close(15 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1039] <... prctl resumed>) = 0 [pid 1038] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1037] close(16 [pid 313] <... close resumed>) = 0 [pid 309] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1039] setpgid(0, 0 [pid 1038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./149/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1039] <... setpgid resumed>) = 0 [pid 1039] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 1038] <... mkdirat resumed>) = 0 [pid 1037] close(17 [pid 313] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1039] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1038] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1039] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1039] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1038] <... symlinkat resumed>) = 0 [pid 1037] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1039] <... symlink resumed>) = 0 [pid 1038] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./149/binderfs" [pid 1039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1038] <... unlinkat resumed>) = 0 [pid 1037] close(19 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1039] <... openat resumed>) = 3 [pid 1038] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1039] write(3, "1000", 4 [pid 309] getdents64(3 [pid 1039] <... write resumed>) = 4 [pid 1038] <... unlinkat resumed>) = 0 [pid 1037] close(20 [pid 313] unlink("./149/binderfs" [pid 1039] close(3 [pid 1038] close(3 [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1039] <... close resumed>) = 0 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] close(21 [pid 313] <... unlink resumed>) = 0 [pid 309] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1039] symlink("/dev/binderfs", "./binderfs" [pid 1038] close(4 [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./149/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1039] <... symlink resumed>) = 0 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] close(22 [pid 309] <... umount2 resumed>) = 0 [pid 1039] write(1, "executing program\n", 18 executing program [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1038] close(5 [pid 1039] <... write resumed>) = 18 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./149/cgroup.net" [pid 309] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1039] mkdirat(AT_FDCWD, "./config", 0777 [pid 1038] close(6 [pid 1037] close(23 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1039] <... mkdirat resumed>) = 0 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./149/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1039] mount(NULL, "./config", "configfs", 0, NULL [pid 1038] close(7 [pid 1037] close(24 [pid 1039] <... mount resumed>) = 0 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./139/config" [pid 1039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1038] close(8 [pid 1037] close(25 [pid 313] umount2("./149/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1039] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1038] close(9 [pid 1037] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./139/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1039] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./149/cgroup.cpu" [pid 1039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1038] close(10 [pid 1037] close(27 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1039] <... mkdirat resumed>) = 0 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./139/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1039] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1038] close(11 [pid 1037] close(28 [pid 313] unlink("./149/cgroup.cpu" [pid 1039] <... symlinkat resumed>) = 0 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1039] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1038] close(12 [pid 1037] close(29 [pid 313] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 1039] <... unlinkat resumed>) = 0 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./149/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1039] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1038] close(13 [pid 1037] exit_group(0 [pid 1039] <... unlinkat resumed>) = 0 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1037] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1039] close(3 [pid 1038] close(14 [pid 1039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1039] close(4) = -1 EBADF (Bad file descriptor) [pid 1039] close(5) = -1 EBADF (Bad file descriptor) [pid 1039] close(6) = -1 EBADF (Bad file descriptor) [pid 1039] close(7) = -1 EBADF (Bad file descriptor) [pid 1037] +++ exited with 0 +++ [pid 1039] close(8) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./149/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1039] close(9 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 1039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1038] close(15 [pid 313] unlink("./149/cgroup" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1039] close(10 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1039] close(11) = -1 EBADF (Bad file descriptor) [pid 1039] close(12) = -1 EBADF (Bad file descriptor) [pid 1039] close(13) = -1 EBADF (Bad file descriptor) [pid 1039] close(14) = -1 EBADF (Bad file descriptor) [pid 1039] close(15) = -1 EBADF (Bad file descriptor) [pid 1039] close(16) = -1 EBADF (Bad file descriptor) [pid 1039] close(17) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1039] close(18 [pid 1038] close(16 [pid 313] getdents64(3 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] close(4 [pid 1039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1039] close(19 [pid 1038] close(17 [pid 313] close(3 [pid 309] <... close resumed>) = 0 [pid 1039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1039] close(20 [pid 1038] close(18 [pid 313] <... close resumed>) = 0 [pid 309] rmdir("./139/config" [pid 312] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./149" [pid 1039] close(21 [pid 1038] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1039] close(22 [pid 1038] close(20 [pid 313] mkdir("./150", 0777 [pid 312] <... openat resumed>) = 3 [pid 1039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1039] close(23 [pid 1038] close(21 [pid 313] <... mkdir resumed>) = 0 [pid 312] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./139/binderfs" [pid 1039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1039] close(24 [pid 1038] close(22 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] getdents64(3 [pid 309] unlink("./139/binderfs" [pid 1039] close(25 [pid 1038] close(23 [pid 1039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1039] close(26) = -1 EBADF (Bad file descriptor) [pid 1039] close(27) = -1 EBADF (Bad file descriptor) [pid 1039] close(28ci2-android-5-15/strace-static-x86_64: Process 1040 attached ) = -1 EBADF (Bad file descriptor) [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... unlink resumed>) = 0 [pid 1040] set_robust_list(0x55555bb49760, 24 [pid 1039] close(29 [pid 1038] close(24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 152 [pid 312] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./139/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1040] <... set_robust_list resumed>) = 0 [pid 1039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1040] rt_sigprocmask(SIG_SETMASK, [] [pid 1039] exit_group(0 [pid 1038] close(25 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1040] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1039] <... exit_group resumed>) = ? [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./139/cgroup.net" [pid 1040] chdir("./150" [pid 1039] +++ exited with 0 +++ [pid 1038] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1040] <... chdir resumed>) = 0 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./148/config" [pid 309] unlink("./139/cgroup.net" [pid 1040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1038] close(27 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1040] <... prctl resumed>) = 0 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 1040] setpgid(0, 0 [pid 1038] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./139/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1040] <... setpgid resumed>) = 0 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./148/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1040] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1038] close(29 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1040] <... symlink resumed>) = 0 [pid 1038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./139/cgroup.cpu" [pid 1040] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 1038] exit_group(0 [pid 312] fstat(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1040] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1038] <... exit_group resumed>) = ? [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] unlink("./139/cgroup.cpu" [pid 1040] <... symlink resumed>) = 0 [pid 1040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1040] write(3, "1000", 4) = 4 [pid 1038] +++ exited with 0 +++ [pid 1040] close(3 [pid 312] getdents64(4 [pid 1040] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1040] symlink("/dev/binderfs", "./binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] getdents64(4 [pid 309] umount2("./139/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1040] <... symlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1040] write(1, "executing program\n", 18 [pid 312] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1040] <... write resumed>) = 18 executing program [pid 312] <... close resumed>) = 0 [pid 1040] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] newfstatat(AT_FDCWD, "./139/cgroup" [pid 312] rmdir("./148/config" [pid 1040] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1040] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... rmdir resumed>) = 0 [pid 309] unlink("./139/cgroup" [pid 1040] <... mount resumed>) = 0 [pid 312] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 1040] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] newfstatat(AT_FDCWD, "./148/binderfs" [pid 1040] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 1040] <... mkdirat resumed>) = 0 [pid 1040] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 312] unlink("./148/binderfs" [pid 1040] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1040] <... unlinkat resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] rmdir("./139" [pid 1040] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] umount2("./148/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1040] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1040] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./140", 0777 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./148/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1040] close(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./148/cgroup.net" [pid 310] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1040] close(5 [pid 312] <... unlink resumed>) = 0 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 312] umount2("./148/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1040] close(6 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./148/cgroup.cpu" [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1041 attached [pid 1040] close(7 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 1041] set_robust_list(0x55555bb49760, 24 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./148/cgroup.cpu" [pid 1041] <... set_robust_list resumed>) = 0 [pid 1040] close(8 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 142 [pid 1041] rt_sigprocmask(SIG_SETMASK, [] [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1041] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1040] close(9 [pid 312] umount2("./148/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1041] chdir("./140" [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1041] <... chdir resumed>) = 0 [pid 1040] close(10 [pid 312] newfstatat(AT_FDCWD, "./148/cgroup" [pid 311] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./141/config" [pid 1041] <... prctl resumed>) = 0 [pid 1040] close(11 [pid 312] unlink("./148/cgroup" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1041] setpgid(0, 0 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1041] <... setpgid resumed>) = 0 [pid 1040] close(12 [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 310] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1041] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1041] <... symlink resumed>) = 0 [pid 1040] close(13 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1041] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 1041] <... symlink resumed>) = 0 [pid 1040] close(14 [pid 311] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./141/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1041] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1041] <... symlink resumed>) = 0 [pid 1040] close(15 [pid 312] rmdir("./148" [pid 310] <... openat resumed>) = 4 [pid 1041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1041] <... openat resumed>) = 3 [pid 1040] close(16 [pid 312] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./143/config" [pid 310] fstat(4 [pid 1041] write(3, "1000", 4 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./149", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1041] <... write resumed>) = 4 [pid 1040] close(17 [pid 312] <... mkdir resumed>) = 0 [pid 311] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1041] close(3 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1041] <... close resumed>) = 0 [pid 1040] close(18 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] openat(AT_FDCWD, "./143/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1041] symlink("/dev/binderfs", "./binderfs" [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1041] <... symlink resumed>) = 0 [pid 1040] close(19 [pid 311] <... openat resumed>) = 4 [pid 1041] write(1, "executing program\n", 18) = 18 [pid 1041] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1041] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1042 attached executing program ) = 0 [pid 310] getdents64(4 [pid 311] fstat(4 [pid 1042] set_robust_list(0x55555bb49760, 24 [pid 1041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 151 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1042] <... set_robust_list resumed>) = 0 [pid 1041] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1040] close(20 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] getdents64(4 [pid 310] close(4 [pid 1042] rt_sigprocmask(SIG_SETMASK, [] [pid 1041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1041] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... close resumed>) = 0 [pid 1042] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1040] close(21 [pid 311] getdents64(4 [pid 310] rmdir("./141/config" [pid 1042] chdir("./149" [pid 1041] <... mkdirat resumed>) = 0 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1042] <... chdir resumed>) = 0 [pid 1041] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1040] close(22 [pid 311] close(4 [pid 310] <... rmdir resumed>) = 0 [pid 1042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1041] <... symlinkat resumed>) = 0 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1042] <... prctl resumed>) = 0 [pid 1041] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1040] close(23 [pid 311] rmdir("./143/config" [pid 1042] setpgid(0, 0 [pid 1041] <... unlinkat resumed>) = 0 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1042] <... setpgid resumed>) = 0 [pid 1041] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1040] close(24 [pid 311] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./141/binderfs" [pid 1042] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1041] <... unlinkat resumed>) = 0 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1042] <... symlink resumed>) = 0 [pid 1041] close(3 [pid 1040] close(25 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1042] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./141/binderfs" [pid 1042] <... symlink resumed>) = 0 [pid 1041] close(4 [pid 1040] close(26 [pid 311] newfstatat(AT_FDCWD, "./143/binderfs" [pid 1042] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1042] <... symlink resumed>) = 0 [pid 1041] close(5 [pid 1040] close(27 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./141/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./143/binderfs" [pid 1041] close(6 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1042] <... openat resumed>) = 3 [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1040] close(28 [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./141/cgroup.net" [pid 1042] write(3, "1000", 4 [pid 1041] close(7 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1042] <... write resumed>) = 4 [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1040] close(29 [pid 311] umount2("./143/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1042] close(3 [pid 1041] close(8 [pid 1040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./141/cgroup.net" [pid 1042] <... close resumed>) = 0 [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1042] symlink("/dev/binderfs", "./binderfs" [pid 1041] close(9 [pid 1040] exit_group(0 [pid 311] newfstatat(AT_FDCWD, "./143/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 1042] <... symlink resumed>) = 0 [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1040] <... exit_group resumed>) = ? [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./141/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1042] write(1, "executing program\n", 18 [pid 1041] close(10) = -1 EBADF (Bad file descriptor) [pid 1041] close(11) = -1 EBADF (Bad file descriptor) [pid 1041] close(12) = -1 EBADF (Bad file descriptor) [pid 1041] close(13) = -1 EBADF (Bad file descriptor) [pid 1041] close(14) = -1 EBADF (Bad file descriptor) [pid 1041] close(15 [pid 1040] +++ exited with 0 +++ [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1041] close(16 [pid 311] unlink("./143/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1042] <... write resumed>) = 18 [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1042] mkdirat(AT_FDCWD, "./config", 0777 [pid 1041] close(17 [pid 311] <... unlink resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./141/cgroup.cpu" [pid 1042] <... mkdirat resumed>) = 0 [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 311] umount2("./143/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1042] mount(NULL, "./config", "configfs", 0, NULL [pid 1041] close(18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1042] <... mount resumed>) = 0 [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./141/cgroup.cpu" [pid 1042] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1041] close(19 [pid 311] newfstatat(AT_FDCWD, "./143/cgroup.cpu" [pid 1042] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1042] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1041] close(20 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1042] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 311] unlink("./143/cgroup.cpu" [pid 310] umount2("./141/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1042] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1041] close(21) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1041] close(22 [pid 1042] <... mkdirat resumed>) = 0 [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./141/cgroup" [pid 1042] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1041] close(23 [pid 311] umount2("./143/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1042] <... symlinkat resumed>) = 0 [pid 1041] close(24 [pid 313] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1042] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./141/cgroup" [pid 1042] <... unlinkat resumed>) = 0 [pid 1041] close(25 [pid 313] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./143/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 1042] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 1042] <... unlinkat resumed>) = 0 [pid 1041] close(26 [pid 313] fstat(3 [pid 311] unlink("./143/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1042] close(3 [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1041] close(27 [pid 311] <... unlink resumed>) = 0 [pid 310] close(3 [pid 1042] close(4 [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] getdents64(3 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1041] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 1042] close(5 [pid 1041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 310] rmdir("./141" [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1041] close(29) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1042] close(6 [pid 1041] exit_group(0 [pid 313] <... umount2 resumed>) = 0 [pid 311] rmdir("./143" [pid 310] <... rmdir resumed>) = 0 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1041] <... exit_group resumed>) = ? [pid 313] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1042] close(7 [pid 1041] +++ exited with 0 +++ [pid 311] <... rmdir resumed>) = 0 [pid 310] mkdir("./142", 0777 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdir("./144", 0777 [pid 1042] close(8 [pid 313] newfstatat(AT_FDCWD, "./150/config" [pid 310] <... mkdir resumed>) = 0 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1042] close(9 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1042] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./150/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1043 attached [pid 1043] set_robust_list(0x55555bb49760, 24) = 0 [pid 1043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1043] chdir("./144"ci2-android-5-15/strace-static-x86_64: Process 1044 attached ) = 0 [pid 1042] close(11 [pid 313] <... openat resumed>) = 4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 146 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 144 [pid 1044] set_robust_list(0x55555bb49760, 24 [pid 1043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1044] <... set_robust_list resumed>) = 0 [pid 1043] <... prctl resumed>) = 0 [pid 1042] close(12 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1044] rt_sigprocmask(SIG_SETMASK, [] [pid 1043] setpgid(0, 0 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1044] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1043] <... setpgid resumed>) = 0 [pid 1042] close(13 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1044] chdir("./142" [pid 1043] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1044] <... chdir resumed>) = 0 [pid 1043] <... symlink resumed>) = 0 [pid 1042] close(14 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1043] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1044] <... prctl resumed>) = 0 [pid 1043] <... symlink resumed>) = 0 [pid 1042] close(15 [pid 313] close(4 [pid 1044] setpgid(0, 0 [pid 1043] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1044] <... setpgid resumed>) = 0 [pid 1043] <... symlink resumed>) = 0 [pid 1042] close(16 [pid 313] <... close resumed>) = 0 [pid 1044] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./150/config" [pid 1044] <... symlink resumed>) = 0 [pid 1043] <... openat resumed>) = 3 [pid 1042] close(17 [pid 1044] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1043] write(3, "1000", 4 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1044] <... symlink resumed>) = 0 [pid 1043] <... write resumed>) = 4 [pid 1042] close(18 [pid 313] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1044] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1043] close(3 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1044] <... symlink resumed>) = 0 [pid 1043] <... close resumed>) = 0 [pid 1042] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1043] symlink("/dev/binderfs", "./binderfs" [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./150/binderfs" [pid 1044] <... openat resumed>) = 3 [pid 1043] <... symlink resumed>) = 0 [pid 1042] close(20 [pid 309] <... restart_syscall resumed>) = 0 [pid 1044] write(3, "1000", 4 [pid 1043] write(1, "executing program\n", 18 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1044] <... write resumed>) = 4 [pid 1043] <... write resumed>) = 18 [pid 1042] close(21 [pid 313] unlink("./150/binderfs" [pid 1044] close(3 [pid 1043] mkdirat(AT_FDCWD, "./config", 0777 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1044] <... close resumed>) = 0 [pid 1043] <... mkdirat resumed>) = 0 [pid 1042] close(22 [pid 313] <... unlink resumed>) = 0 [pid 1044] symlink("/dev/binderfs", "./binderfs" [pid 1043] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1044] <... symlink resumed>) = 0 [pid 1043] <... mount resumed>) = 0 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./150/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 1044] write(1, "executing program\n", 18 [pid 1043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1042] close(23 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1044] <... write resumed>) = 18 [pid 1043] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1044] mkdirat(AT_FDCWD, "./config", 0777 [pid 1043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1042] close(24 [pid 313] newfstatat(AT_FDCWD, "./150/cgroup.net" [pid 1044] <... mkdirat resumed>) = 0 [pid 1043] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 1044] mount(NULL, "./config", "configfs", 0, NULL [pid 1043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1042] close(25 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 1044] <... mount resumed>) = 0 [pid 1043] <... mkdirat resumed>) = 0 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./150/cgroup.net" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1044] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1043] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1042] close(26 [pid 1044] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1043] <... symlinkat resumed>) = 0 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 1044] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1043] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1043] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1042] close(27 [pid 313] umount2("./150/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1044] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1043] <... unlinkat resumed>) = 0 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1044] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1043] close(3 [pid 1042] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1044] <... mkdirat resumed>) = 0 [pid 1043] close(4 [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1044] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./150/cgroup.cpu" [pid 1042] close(29 [pid 309] <... umount2 resumed>) = 0 [pid 1044] <... symlinkat resumed>) = 0 [pid 1043] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1044] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./150/cgroup.cpu" [pid 309] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1044] <... unlinkat resumed>) = 0 [pid 1043] close(6 [pid 1044] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1042] exit_group(0 [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1043] close(7 [pid 1044] <... unlinkat resumed>) = 0 [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./140/config" [pid 1044] close(3 [pid 1043] close(8 [pid 1042] <... exit_group resumed>) = ? [pid 313] umount2("./150/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1043] close(9) = -1 EBADF (Bad file descriptor) [pid 1043] close(10) = -1 EBADF (Bad file descriptor) [pid 1043] close(11) = -1 EBADF (Bad file descriptor) [pid 1043] close(12) = -1 EBADF (Bad file descriptor) [pid 1043] close(13) = -1 EBADF (Bad file descriptor) [pid 1043] close(14) = -1 EBADF (Bad file descriptor) [pid 1043] close(15 [pid 1042] +++ exited with 0 +++ [pid 1044] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./140/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./150/cgroup" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1044] close(5 [pid 1043] close(16 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./150/cgroup" [pid 309] openat(AT_FDCWD, "./140/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1044] close(6 [pid 1043] close(17) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1044] close(7 [pid 1043] close(18 [pid 313] getdents64(3 [pid 309] fstat(4 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1044] close(8 [pid 1043] close(19 [pid 313] close(3 [pid 309] getdents64(4 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1044] close(9 [pid 1043] close(20 [pid 313] rmdir("./150" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1044] close(10 [pid 1043] close(21 [pid 313] mkdir("./151", 0777 [pid 309] getdents64(4 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] close(22 [pid 1044] close(11 [pid 313] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(4 [pid 1044] close(12 [pid 1043] close(23 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... close resumed>) = 0 [pid 1044] close(13 [pid 1043] close(24) = -1 EBADF (Bad file descriptor) [pid 1043] close(25) = -1 EBADF (Bad file descriptor) [pid 1043] close(26) = -1 EBADF (Bad file descriptor) [pid 1043] close(27ci2-android-5-15/strace-static-x86_64: Process 1045 attached [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./140/config" [pid 1045] set_robust_list(0x55555bb49760, 24 [pid 1044] close(14 [pid 1043] close(28 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 153 [pid 1045] <... set_robust_list resumed>) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 1045] rt_sigprocmask(SIG_SETMASK, [] [pid 1044] close(15 [pid 1043] close(29 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1045] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1045] chdir("./151" [pid 1044] close(16 [pid 1043] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1045] <... chdir resumed>) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1043] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./140/binderfs" [pid 1045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1044] close(17 [pid 1043] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1045] <... prctl resumed>) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./140/binderfs" [pid 1045] setpgid(0, 0 [pid 1044] close(18 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1045] <... setpgid resumed>) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 1045] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1044] close(19 [pid 309] umount2("./140/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1045] <... symlink resumed>) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1045] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1044] close(20 [pid 1045] <... symlink resumed>) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./140/cgroup.net" [pid 1045] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1044] close(21 [pid 1045] <... symlink resumed>) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1044] close(22 [pid 309] unlink("./140/cgroup.net" [pid 1045] write(3, "1000", 4 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1045] <... write resumed>) = 4 [pid 1044] close(23 [pid 309] <... unlink resumed>) = 0 [pid 1045] close(3 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./140/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1045] <... close resumed>) = 0 [pid 1044] close(24 [pid 1045] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1045] <... symlink resumed>) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1045] write(1, "executing program\n", 18) = 18 executing program [pid 1045] mkdirat(AT_FDCWD, "./config", 0777 [pid 1044] close(25 [pid 309] newfstatat(AT_FDCWD, "./140/cgroup.cpu" [pid 1045] <... mkdirat resumed>) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1045] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1044] close(26 [pid 1045] <... mount resumed>) = 0 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./140/cgroup.cpu" [pid 1045] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1044] close(27 [pid 1045] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 1045] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 309] umount2("./140/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1045] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1044] close(28 [pid 1045] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1045] <... mkdirat resumed>) = 0 [pid 1044] close(29 [pid 309] newfstatat(AT_FDCWD, "./140/cgroup" [pid 1045] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1045] <... symlinkat resumed>) = 0 [pid 1044] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1045] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1044] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./140/cgroup" [pid 1045] <... unlinkat resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 311] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 311] fstat(3 [pid 1044] +++ exited with 0 +++ [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 1045] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... openat resumed>) = 3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] getdents64(3 [pid 311] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1045] <... unlinkat resumed>) = 0 [pid 312] fstat(3 [pid 311] <... umount2 resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1045] close(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1045] close(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] newfstatat(AT_FDCWD, "./144/config" [pid 310] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./140" [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./144/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] <... openat resumed>) = 3 [pid 1045] close(5 [pid 311] fstat(4 [pid 309] <... rmdir resumed>) = 0 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] fstat(3 [pid 309] mkdir("./141", 0777 [pid 1045] close(6 [pid 312] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... mkdir resumed>) = 0 [pid 1045] close(7 [pid 312] newfstatat(AT_FDCWD, "./149/config" [pid 311] getdents64(4 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1045] close(8 [pid 312] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 310] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1046 attached [pid 1045] close(9 [pid 312] openat(AT_FDCWD, "./149/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rmdir("./144/config" [pid 310] <... umount2 resumed>) = 0 [pid 1046] set_robust_list(0x55555bb49760, 24 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1046] <... set_robust_list resumed>) = 0 [pid 1045] close(10 [pid 312] fstat(4 [pid 311] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 143 [pid 1046] rt_sigprocmask(SIG_SETMASK, [] [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1046] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1045] close(11 [pid 312] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./144/binderfs" [pid 310] newfstatat(AT_FDCWD, "./142/config" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1046] chdir("./141" [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1046] <... chdir resumed>) = 0 [pid 1045] close(12 [pid 312] getdents64(4 [pid 311] unlink("./144/binderfs" [pid 310] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1046] <... prctl resumed>) = 0 [pid 1045] close(13 [pid 312] close(4 [pid 311] umount2("./144/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./142/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1046] setpgid(0, 0 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1046] <... setpgid resumed>) = 0 [pid 1045] close(14 [pid 312] rmdir("./149/config" [pid 311] newfstatat(AT_FDCWD, "./144/cgroup.net" [pid 310] <... openat resumed>) = 4 [pid 1046] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 1046] <... symlink resumed>) = 0 [pid 1045] close(15 [pid 312] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./144/cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1046] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 1046] <... symlink resumed>) = 0 [pid 1045] close(16 [pid 312] newfstatat(AT_FDCWD, "./149/binderfs" [pid 311] umount2("./144/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1046] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1046] <... symlink resumed>) = 0 [pid 1045] close(17 [pid 312] unlink("./149/binderfs" [pid 311] newfstatat(AT_FDCWD, "./144/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 311] unlink("./144/cgroup.cpu" [pid 1046] <... openat resumed>) = 3 [pid 1045] close(18 [pid 312] umount2("./149/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1046] write(3, "1000", 4 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./144/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./142/config" [pid 1046] <... write resumed>) = 4 [pid 1045] close(19 [pid 312] newfstatat(AT_FDCWD, "./149/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1046] close(3 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./144/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 1046] <... close resumed>) = 0 [pid 1045] close(20 [pid 312] unlink("./149/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1046] symlink("/dev/binderfs", "./binderfs" [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] unlink("./144/cgroup" [pid 1046] <... symlink resumed>) = 0 [pid 1045] close(21 [pid 312] umount2("./149/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1046] write(1, "executing program\n", 18 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 1046] <... write resumed>) = 18 [pid 1045] close(22 [pid 312] newfstatat(AT_FDCWD, "./149/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./142/binderfs" [pid 1046] mkdirat(AT_FDCWD, "./config", 0777 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 311] close(3 [pid 1046] <... mkdirat resumed>) = 0 [pid 1045] close(23 [pid 312] unlink("./149/cgroup.cpu" [pid 311] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1046] mount(NULL, "./config", "configfs", 0, NULL [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] rmdir("./144" [pid 310] unlink("./142/binderfs" [pid 1046] <... mount resumed>) = 0 [pid 1045] close(24 [pid 312] umount2("./149/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 1046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdir("./145", 0777 [pid 310] <... unlink resumed>) = 0 [pid 1046] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1045] close(25 [pid 312] newfstatat(AT_FDCWD, "./149/cgroup" [pid 311] <... mkdir resumed>) = 0 [pid 310] umount2("./142/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1046] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1045] close(26 [pid 312] unlink("./149/cgroup" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./142/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1047 attached [pid 1046] <... mkdirat resumed>) = 0 [pid 1045] close(27 [pid 312] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1047] set_robust_list(0x55555bb49760, 24 [pid 1046] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 147 [pid 310] unlink("./142/cgroup.net" [pid 1047] <... set_robust_list resumed>) = 0 [pid 1046] <... symlinkat resumed>) = 0 [pid 1045] close(28 [pid 312] close(3 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1047] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1047] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1046] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1045] close(29 [pid 312] <... close resumed>) = 0 [pid 310] umount2("./142/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1047] chdir("./145" [pid 1046] <... unlinkat resumed>) = 0 [pid 1045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./149" [pid 1047] <... chdir resumed>) = 0 [pid 1046] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1045] exit_group(0 [pid 312] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./142/cgroup.cpu" [pid 1046] <... unlinkat resumed>) = 0 [pid 1045] <... exit_group resumed>) = ? [pid 312] mkdir("./150", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1046] close(3 [pid 1045] +++ exited with 0 +++ [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] unlink("./142/cgroup.cpu" [pid 1047] <... prctl resumed>) = 0 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... mkdir resumed>) = 0 [pid 1047] setpgid(0, 0 [pid 1046] close(4 [pid 310] <... unlink resumed>) = 0 [pid 1047] <... setpgid resumed>) = 0 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./142/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1047] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1046] close(5 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1047] <... symlink resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./142/cgroup" [pid 1046] close(6) = -1 EBADF (Bad file descriptor) [pid 1046] close(7) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1048 attached [pid 1046] close(8 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1048] set_robust_list(0x55555bb49760, 24 [pid 1047] <... symlink resumed>) = 0 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 152 [pid 310] unlink("./142/cgroup" [pid 1048] <... set_robust_list resumed>) = 0 [pid 1047] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1046] close(9 [pid 1048] rt_sigprocmask(SIG_SETMASK, [] [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 1048] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1047] <... symlink resumed>) = 0 [pid 1046] close(10 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 1048] chdir("./150" [pid 1047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1048] <... chdir resumed>) = 0 [pid 1046] close(11 [pid 1048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1047] <... openat resumed>) = 3 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 1048] <... prctl resumed>) = 0 [pid 1047] write(3, "1000", 4 [pid 1046] close(12 [pid 1048] setpgid(0, 0 [pid 1047] <... write resumed>) = 4 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1048] <... setpgid resumed>) = 0 [pid 1047] close(3 [pid 1046] close(13 [pid 310] rmdir("./142" [pid 1048] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1047] <... close resumed>) = 0 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... symlink resumed>) = 0 [pid 1047] symlink("/dev/binderfs", "./binderfs" [pid 1046] close(14 [pid 310] <... rmdir resumed>) = 0 [pid 1048] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... symlink resumed>) = 0 [pid 1047] <... symlink resumed>) = 0 [pid 1046] close(15 [pid 310] mkdir("./143", 0777 [pid 1048] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1047] write(1, "executing program\n", 18 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... symlink resumed>) = 0 executing program [pid 1047] <... write resumed>) = 18 [pid 1046] close(16 [pid 310] <... mkdir resumed>) = 0 [pid 1048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1047] mkdirat(AT_FDCWD, "./config", 0777 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1048] <... openat resumed>) = 3 [pid 1046] close(17 [pid 1048] write(3, "1000", 4 [pid 1047] <... mkdirat resumed>) = 0 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1048] <... write resumed>) = 4 [pid 1047] mount(NULL, "./config", "configfs", 0, NULL [pid 1046] close(18 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1048] close(3 [pid 1047] <... mount resumed>) = 0 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = 0 [pid 1046] close(19 [pid 1048] symlink("/dev/binderfs", "./binderfs" [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1049 attached [pid 1048] <... symlink resumed>) = 0 [pid 1046] close(20 [pid 1047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1049] set_robust_list(0x55555bb49760, 24 executing program [pid 1048] write(1, "executing program\n", 18 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1049] <... set_robust_list resumed>) = 0 [pid 1048] <... write resumed>) = 18 [pid 1047] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1046] close(21 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 145 [pid 1049] rt_sigprocmask(SIG_SETMASK, [] [pid 1048] mkdirat(AT_FDCWD, "./config", 0777 [pid 1047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1049] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1048] <... mkdirat resumed>) = 0 [pid 1047] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1046] close(22 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1049] chdir("./143" [pid 1048] mount(NULL, "./config", "configfs", 0, NULL [pid 1047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1049] <... chdir resumed>) = 0 [pid 1048] <... mount resumed>) = 0 [pid 1046] close(23 [pid 1049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1047] <... mkdirat resumed>) = 0 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1049] <... prctl resumed>) = 0 [pid 1048] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1047] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1046] close(24 [pid 1049] setpgid(0, 0 [pid 1048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1049] <... setpgid resumed>) = 0 [pid 1048] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1047] <... symlinkat resumed>) = 0 [pid 1046] close(25 [pid 1049] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1047] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1049] <... symlink resumed>) = 0 [pid 1048] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1046] close(26 [pid 1049] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1048] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1047] <... unlinkat resumed>) = 0 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1049] <... symlink resumed>) = 0 [pid 1048] <... symlinkat resumed>) = 0 [pid 1047] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1046] close(27 [pid 313] <... restart_syscall resumed>) = 0 [pid 1049] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1048] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1047] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1049] <... symlink resumed>) = 0 [pid 1048] <... unlinkat resumed>) = 0 [pid 1047] close(3 [pid 1046] close(28 [pid 1049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1048] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1049] <... openat resumed>) = 3 [pid 1048] <... unlinkat resumed>) = 0 [pid 1046] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1049] write(3, "1000", 4 [pid 1046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1049] <... write resumed>) = 4 [pid 1046] exit_group(0 [pid 1047] close(4 [pid 313] <... openat resumed>) = 3 [pid 1049] close(3 [pid 1048] close(3 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1046] <... exit_group resumed>) = ? [pid 313] fstat(3 [pid 1049] <... close resumed>) = 0 [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(5 [pid 1046] +++ exited with 0 +++ [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1049] symlink("/dev/binderfs", "./binderfs" [pid 1048] close(4 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1049] <... symlink resumed>) = 0 [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(6 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1049] write(1, "executing program\n", 18 [pid 1048] close(5 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1049] <... write resumed>) = 18 [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(7 [pid 313] <... umount2 resumed>) = 0 [pid 1049] mkdirat(AT_FDCWD, "./config", 0777 [pid 1048] close(6 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1049] <... mkdirat resumed>) = 0 [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1049] mount(NULL, "./config", "configfs", 0, NULL [pid 1048] close(7 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./151/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1049] <... mount resumed>) = 0 [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(9 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1048] close(8 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1049] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 1049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1048] close(9 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./151/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 1049] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(11 [pid 313] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1048] close(10 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 1049] <... mkdirat resumed>) = 0 [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(12 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] getdents64(3 [pid 1049] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1048] close(11 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1049] <... symlinkat resumed>) = 0 [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(13 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1049] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1048] close(12 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1049] <... unlinkat resumed>) = 0 [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(14 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1049] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1048] close(13 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 309] <... umount2 resumed>) = 0 [pid 1049] <... unlinkat resumed>) = 0 [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(15 [pid 313] <... close resumed>) = 0 [pid 309] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1049] close(3 [pid 1048] close(14 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./151/config" [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(16 [pid 313] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1049] close(4 [pid 1048] close(15 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./141/config" [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1049] close(5 [pid 1048] close(16 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./151/binderfs" [pid 309] umount2("./141/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1049] close(6 [pid 1048] close(17 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./151/binderfs" [pid 309] openat(AT_FDCWD, "./141/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(19 [pid 313] <... unlink resumed>) = 0 [pid 1049] close(7 [pid 1048] close(18 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./151/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 1049] close(8 [pid 1048] close(19 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./151/cgroup.net" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(21 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1049] close(9 [pid 1048] close(20 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./151/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(22 [pid 313] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 1049] close(10 [pid 1048] close(21 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./151/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 1049] close(11 [pid 1048] close(22 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./151/cgroup.cpu" [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 1049] close(12 [pid 1048] close(23 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./151/cgroup.cpu" [pid 309] rmdir("./141/config" [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(25 [pid 313] <... unlink resumed>) = 0 [pid 1049] close(13 [pid 1048] close(24 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./151/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1049] close(14 [pid 1048] close(25 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./151/cgroup" [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1049] close(15 [pid 1048] close(26 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./151/cgroup" [pid 309] newfstatat(AT_FDCWD, "./141/binderfs" [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(28 [pid 313] <... unlink resumed>) = 0 [pid 1049] close(16 [pid 1048] close(27 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1047] close(29 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] unlink("./141/binderfs" [pid 1049] close(17 [pid 1048] close(28 [pid 1047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1047] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 1049] close(18 [pid 1048] close(29 [pid 1047] <... exit_group resumed>) = ? [pid 313] rmdir("./151" [pid 309] umount2("./141/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1049] close(19 [pid 313] mkdir("./152", 0777 [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1049] close(20 [pid 1047] +++ exited with 0 +++ [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1049] close(21 [pid 1048] exit_group(0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./141/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1050 attached [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1048] <... exit_group resumed>) = ? [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1050] set_robust_list(0x55555bb49760, 24 [pid 1049] close(22 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 154 [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1049] close(23 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1049] close(24 [pid 1048] +++ exited with 0 +++ [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] <... set_robust_list resumed>) = 0 [pid 1049] close(25 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] unlink("./141/cgroup.net" [pid 1050] rt_sigprocmask(SIG_SETMASK, [] [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1050] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1049] close(26 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 1050] chdir("./152" [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./141/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1050] <... chdir resumed>) = 0 [pid 1049] close(27 [pid 1050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1050] <... prctl resumed>) = 0 [pid 1049] close(28 [pid 309] newfstatat(AT_FDCWD, "./141/cgroup.cpu" [pid 1050] setpgid(0, 0 [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] <... setpgid resumed>) = 0 [pid 1049] close(29 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1050] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./141/cgroup.cpu" [pid 1050] <... symlink resumed>) = 0 [pid 1049] exit_group(0 [pid 1050] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1049] <... exit_group resumed>) = ? [pid 309] <... unlink resumed>) = 0 [pid 1050] <... symlink resumed>) = 0 [pid 1049] +++ exited with 0 +++ [pid 309] umount2("./141/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1050] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1050] <... symlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./141/cgroup" [pid 1050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1050] <... openat resumed>) = 3 [pid 309] unlink("./141/cgroup" [pid 1050] write(3, "1000", 4 [pid 309] <... unlink resumed>) = 0 [pid 1050] <... write resumed>) = 4 [pid 309] getdents64(3 [pid 1050] close(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1050] <... close resumed>) = 0 [pid 309] close(3 [pid 1050] symlink("/dev/binderfs", "./binderfs" [pid 309] <... close resumed>) = 0 [pid 1050] <... symlink resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./141" [pid 1050] write(1, "executing program\n", 18 [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./142", 0777 [pid 1050] <... write resumed>) = 18 [pid 311] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1050] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1050] <... mkdirat resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 1050] mount(NULL, "./config", "configfs", 0, NULL [pid 311] fstat(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1050] <... mount resumed>) = 0 executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1051 attached [pid 311] getdents64(3 [pid 1051] set_robust_list(0x55555bb49760, 24 [pid 1050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1051] <... set_robust_list resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 144 [pid 1051] rt_sigprocmask(SIG_SETMASK, [] [pid 1050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1051] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1051] chdir("./142" [pid 311] <... umount2 resumed>) = 0 [pid 1051] <... chdir resumed>) = 0 [pid 1051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1050] <... mkdirat resumed>) = 0 [pid 1051] setpgid(0, 0 [pid 311] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1050] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1051] <... setpgid resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1051] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1050] <... symlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./145/config" [pid 1051] <... symlink resumed>) = 0 [pid 1050] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1051] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1050] <... unlinkat resumed>) = 0 [pid 1051] <... symlink resumed>) = 0 [pid 1050] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1051] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 311] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1050] <... unlinkat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1051] <... symlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./145/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1050] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 4 [pid 1051] <... openat resumed>) = 3 [pid 311] fstat(4 [pid 1051] write(3, "1000", 4 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1051] <... write resumed>) = 4 [pid 1050] close(4 [pid 312] <... openat resumed>) = 3 [pid 1051] close(3 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1051] <... close resumed>) = 0 [pid 1050] close(5 [pid 312] fstat(3 [pid 1051] symlink("/dev/binderfs", "./binderfs" [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1051] <... symlink resumed>) = 0 [pid 312] getdents64(3 [pid 311] getdents64(4 [pid 1050] close(6 [pid 1051] write(1, "executing program\n", 18 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1051] <... write resumed>) = 18 [pid 1050] close(7 [pid 312] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 1051] mkdirat(AT_FDCWD, "./config", 0777 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 1051] <... mkdirat resumed>) = 0 [pid 311] rmdir("./145/config" [pid 1051] mount(NULL, "./config", "configfs", 0, NULL [pid 1050] close(8 [pid 312] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 1051] <... mount resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] newfstatat(AT_FDCWD, "./150/config" [pid 1050] close(9 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1051] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./145/binderfs" [pid 1051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1050] close(10 [pid 312] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1051] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1050] close(11 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./145/binderfs" [pid 1051] <... mkdirat resumed>) = 0 [pid 312] openat(AT_FDCWD, "./150/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1051] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 1051] <... symlinkat resumed>) = 0 [pid 1050] close(12 [pid 1051] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] fstat(4 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./145/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1051] <... unlinkat resumed>) = 0 [pid 1050] close(13 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1051] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(4 [pid 1051] <... unlinkat resumed>) = 0 [pid 1050] close(14 [pid 311] newfstatat(AT_FDCWD, "./145/cgroup.net" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1051] close(3 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] close(15 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1051] close(4 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 311] unlink("./145/cgroup.net" [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] close(16 [pid 312] <... close resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1051] close(5 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./150/config" [pid 311] <... unlink resumed>) = 0 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] close(17 [pid 312] <... rmdir resumed>) = 0 [pid 311] umount2("./145/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1051] close(6 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] close(18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1051] close(7 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./145/cgroup.cpu" [pid 310] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] close(19 [pid 312] newfstatat(AT_FDCWD, "./150/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1051] close(8 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./145/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] close(20 [pid 312] unlink("./150/binderfs" [pid 1051] close(9 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] close(21 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./145/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 1051] close(10 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./150/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] close(22 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./145/cgroup" [pid 310] fstat(3 [pid 1051] close(11 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./150/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] close(23 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./145/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1051] close(12 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./150/cgroup.net" [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1050] close(24 [pid 310] getdents64(3 [pid 1051] close(13 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] close(25 [pid 312] umount2("./150/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1051] close(14 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] close(26 [pid 310] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./150/cgroup.cpu" [pid 1051] close(15 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] close(27 [pid 312] unlink("./150/cgroup.cpu" [pid 311] rmdir("./145" [pid 310] <... umount2 resumed>) = 0 [pid 1051] close(16 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1050] close(28 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./150/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] mkdir("./146", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1051] close(17 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] close(29 [pid 312] newfstatat(AT_FDCWD, "./150/cgroup" [pid 311] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./143/config" [pid 1051] close(18 [pid 1050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1051] close(19 [pid 1050] <... exit_group resumed>) = ? [pid 312] unlink("./150/cgroup" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1050] +++ exited with 0 +++ [pid 312] <... unlink resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1052 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1051] close(20 [pid 1052] set_robust_list(0x55555bb49760, 24 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 148 [pid 310] openat(AT_FDCWD, "./143/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1052] <... set_robust_list resumed>) = 0 [pid 1051] close(21 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 4 [pid 1052] rt_sigprocmask(SIG_SETMASK, [] [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(4 [pid 1052] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1051] close(22 [pid 312] <... close resumed>) = 0 [pid 1052] chdir("./146" [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./150" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1052] <... chdir resumed>) = 0 [pid 1051] close(23 [pid 1052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 1052] <... prctl resumed>) = 0 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./151", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1052] setpgid(0, 0 [pid 1051] close(24 [pid 1052] <... setpgid resumed>) = 0 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 310] getdents64(4 [pid 1052] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1051] close(25 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1052] <... symlink resumed>) = 0 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] close(4 [pid 1052] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1051] close(26 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1052] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1052] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 1053 attached ) = 3 [pid 1051] close(27 [pid 313] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./143/config" [pid 1053] set_robust_list(0x55555bb49760, 24 [pid 1052] write(3, "1000", 4 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 153 [pid 1053] <... set_robust_list resumed>) = 0 [pid 1052] <... write resumed>) = 4 [pid 1051] close(28 [pid 310] <... rmdir resumed>) = 0 [pid 1053] rt_sigprocmask(SIG_SETMASK, [] [pid 1052] close(3 [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1053] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1052] <... close resumed>) = 0 [pid 1051] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1053] chdir("./151" [pid 1052] symlink("/dev/binderfs", "./binderfs" [pid 1051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1053] <... chdir resumed>) = 0 [pid 1052] <... symlink resumed>) = 0 [pid 1051] exit_group(0 [pid 313] <... openat resumed>) = 3 [pid 1053] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 1052] write(1, "executing program\n", 18 [pid 313] fstat(3 [pid 1051] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./143/binderfs" [pid 1053] <... prctl resumed>) = 0 [pid 1052] <... write resumed>) = 18 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1053] setpgid(0, 0 [pid 313] getdents64(3 [pid 1053] <... setpgid resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1053] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1053] <... symlink resumed>) = 0 [pid 1052] mkdirat(AT_FDCWD, "./config", 0777 [pid 1051] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1053] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1052] <... mkdirat resumed>) = 0 [pid 313] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./143/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1053] <... symlink resumed>) = 0 [pid 1052] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1053] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] newfstatat(AT_FDCWD, "./152/config" [pid 310] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1053] <... symlink resumed>) = 0 [pid 1052] <... mount resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./143/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1053] <... openat resumed>) = 3 [pid 1052] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1053] write(3, "1000", 4 [pid 1052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] openat(AT_FDCWD, "./152/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./143/cgroup.net" [pid 1053] <... write resumed>) = 4 [pid 1052] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 4 [pid 1053] close(3 [pid 1052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1053] <... close resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1053] symlink("/dev/binderfs", "./binderfs" [pid 1052] <... mkdirat resumed>) = 0 [pid 313] getdents64(4 [pid 310] unlink("./143/cgroup.net" [pid 1053] <... symlink resumed>) = 0 [pid 1052] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1053] write(1, "executing program\n", 18 [pid 1052] <... symlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 1053] <... write resumed>) = 18 executing program [pid 1052] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./143/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1053] mkdirat(AT_FDCWD, "./config", 0777 [pid 1052] <... unlinkat resumed>) = 0 [pid 313] close(4 [pid 1053] <... mkdirat resumed>) = 0 [pid 1052] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1053] mount(NULL, "./config", "configfs", 0, NULL [pid 313] rmdir("./152/config" [pid 1053] <... mount resumed>) = 0 [pid 1052] <... unlinkat resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./143/cgroup.cpu" [pid 1053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1052] close(3 [pid 313] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 1053] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1052] close(4 [pid 313] newfstatat(AT_FDCWD, "./152/binderfs" [pid 310] unlink("./143/cgroup.cpu" [pid 1053] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1052] close(5 [pid 313] unlink("./152/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 1053] <... mkdirat resumed>) = 0 [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./143/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1053] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1052] close(6 [pid 313] umount2("./152/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1053] <... symlinkat resumed>) = 0 [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1053] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1052] close(7 [pid 313] newfstatat(AT_FDCWD, "./152/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./143/cgroup" [pid 1053] <... unlinkat resumed>) = 0 [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1053] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1052] close(8 [pid 313] unlink("./152/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1053] <... unlinkat resumed>) = 0 [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] unlink("./143/cgroup" [pid 309] <... openat resumed>) = 3 [pid 1053] close(3 [pid 1052] close(9 [pid 313] umount2("./152/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1053] close(4 [pid 1052] close(10 [pid 313] newfstatat(AT_FDCWD, "./152/cgroup.cpu" [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 1053] close(5 [pid 1052] close(11 [pid 313] unlink("./152/cgroup.cpu" [pid 310] close(3 [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1053] close(6 [pid 1052] close(12 [pid 313] umount2("./152/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./143" [pid 1053] close(7 [pid 1052] close(13 [pid 313] newfstatat(AT_FDCWD, "./152/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./144", 0777 [pid 309] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1053] close(8 [pid 1052] close(14 [pid 313] unlink("./152/cgroup" [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1053] close(9 [pid 1052] close(15 [pid 313] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./142/config" [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1053] close(10 [pid 1052] close(16 [pid 313] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1053] close(11 [pid 313] rmdir("./152" [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1054 attached [pid 1053] close(12 [pid 313] mkdir("./153", 0777 [pid 309] umount2("./142/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1054] set_robust_list(0x55555bb49760, 24 [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] close(17 [pid 313] <... mkdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 146 [pid 1054] <... set_robust_list resumed>) = 0 [pid 1053] close(13 [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1054] rt_sigprocmask(SIG_SETMASK, [] [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1052] close(18 [pid 1054] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1053] close(14 [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./142/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1055 attached [pid 1054] chdir("./144" [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] close(19 [pid 1055] set_robust_list(0x55555bb49760, 24 [pid 1054] <... chdir resumed>) = 0 [pid 1053] close(15 [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 155 [pid 309] <... openat resumed>) = 4 [pid 1055] <... set_robust_list resumed>) = 0 [pid 1054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] close(20 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] fstat(4 [pid 1055] rt_sigprocmask(SIG_SETMASK, [] [pid 1054] <... prctl resumed>) = 0 [pid 1053] close(16 [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1055] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1054] setpgid(0, 0 [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] close(21 [pid 309] getdents64(4 [pid 1055] chdir("./153" [pid 1054] <... setpgid resumed>) = 0 [pid 1053] close(17 [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1055] <... chdir resumed>) = 0 [pid 1054] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] close(22 [pid 309] getdents64(4 [pid 1055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1054] <... symlink resumed>) = 0 [pid 1053] close(18 [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1055] <... prctl resumed>) = 0 [pid 1054] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] close(23 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1055] setpgid(0, 0 [pid 1054] <... symlink resumed>) = 0 [pid 1053] close(19 [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1055] <... setpgid resumed>) = 0 [pid 1054] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] close(24 [pid 309] close(4 [pid 1055] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1053] close(20 [pid 1054] <... symlink resumed>) = 0 [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1055] <... symlink resumed>) = 0 [pid 1054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1053] close(21 [pid 1052] close(25 [pid 309] rmdir("./142/config" [pid 1055] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1054] <... openat resumed>) = 3 [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1055] <... symlink resumed>) = 0 [pid 1054] write(3, "1000", 4 [pid 1053] close(22 [pid 309] <... rmdir resumed>) = 0 [pid 1052] close(26 [pid 1055] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1054] <... write resumed>) = 4 [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1055] <... symlink resumed>) = 0 [pid 1054] close(3 [pid 1053] close(23 [pid 1052] close(27 [pid 1055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1054] <... close resumed>) = 0 [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1053] close(24 [pid 1055] <... openat resumed>) = 3 [pid 1054] symlink("/dev/binderfs", "./binderfs" [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1055] write(3, "1000", 4 [pid 1052] close(28 [pid 309] newfstatat(AT_FDCWD, "./142/binderfs" [pid 1055] <... write resumed>) = 4 [pid 1054] <... symlink resumed>) = 0 [pid 1053] close(25 [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1055] close(3 [pid 1054] write(1, "executing program\n", 18 [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1052] close(29 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1055] <... close resumed>) = 0 [pid 1054] <... write resumed>) = 18 [pid 1053] close(26 [pid 1052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./142/binderfs" [pid 1055] symlink("/dev/binderfs", "./binderfs" [pid 1054] mkdirat(AT_FDCWD, "./config", 0777 [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] exit_group(0 [pid 1055] <... symlink resumed>) = 0 [pid 1053] close(27 [pid 309] <... unlink resumed>) = 0 [pid 1055] write(1, "executing program\n", 18 [pid 1054] <... mkdirat resumed>) = 0 [pid 1053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1052] <... exit_group resumed>) = ? [pid 309] umount2("./142/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1055] <... write resumed>) = 18 [pid 1054] mount(NULL, "./config", "configfs", 0, NULL [pid 1053] close(28) = -1 EBADF (Bad file descriptor) [pid 1053] close(29) = -1 EBADF (Bad file descriptor) [pid 1053] exit_group(0) = ? executing program [pid 1055] mkdirat(AT_FDCWD, "./config", 0777 [pid 1054] <... mount resumed>) = 0 [pid 1053] +++ exited with 0 +++ [pid 1052] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1055] <... mkdirat resumed>) = 0 [pid 1054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1055] mount(NULL, "./config", "configfs", 0, NULL [pid 309] newfstatat(AT_FDCWD, "./142/cgroup.net" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1054] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1055] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1055] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] unlink("./142/cgroup.net" [pid 1055] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1054] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1055] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1055] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1055] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1054] <... mkdirat resumed>) = 0 [pid 309] umount2("./142/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1055] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1054] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1055] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1054] <... symlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./142/cgroup.cpu" [pid 1055] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1054] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1055] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1055] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1054] <... unlinkat resumed>) = 0 [pid 1055] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1054] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./142/cgroup.cpu" [pid 1055] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1055] close(3 [pid 312] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./142/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] <... openat resumed>) = 3 [pid 1055] close(4 [pid 1054] close(3 [pid 312] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1055] close(5 [pid 1054] close(4 [pid 309] newfstatat(AT_FDCWD, "./142/cgroup" [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1055] close(6 [pid 1054] close(5 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] unlink("./142/cgroup" [pid 1055] close(7 [pid 1054] close(6 [pid 312] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1055] close(8 [pid 1054] close(7 [pid 312] <... umount2 resumed>) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1055] close(9 [pid 1054] close(8 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./151/config" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1055] close(10 [pid 1054] close(9 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1055] close(11 [pid 1054] close(10 [pid 309] <... close resumed>) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./142" [pid 1055] close(12 [pid 1054] close(11 [pid 312] openat(AT_FDCWD, "./151/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1055] close(13 [pid 1054] close(12 [pid 312] <... openat resumed>) = 4 [pid 309] mkdir("./143", 0777 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1055] close(14 [pid 1054] close(13 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1055] close(15 [pid 1054] close(14 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1055] close(16 [pid 1054] close(15 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1056 attached [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1056] set_robust_list(0x55555bb49760, 24 [pid 1055] close(17 [pid 1054] close(16 [pid 1056] <... set_robust_list resumed>) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 145 [pid 1056] rt_sigprocmask(SIG_SETMASK, [] [pid 1055] close(18 [pid 1054] close(17 [pid 312] rmdir("./151/config" [pid 1056] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1056] chdir("./143" [pid 1055] close(19 [pid 1054] close(18 [pid 312] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1056] <... chdir resumed>) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1055] close(20 [pid 1054] close(19 [pid 311] <... restart_syscall resumed>) = 0 [pid 1056] <... prctl resumed>) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1056] setpgid(0, 0 [pid 1055] close(21 [pid 1054] close(20 [pid 312] newfstatat(AT_FDCWD, "./151/binderfs" [pid 1056] <... setpgid resumed>) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1056] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1055] close(22 [pid 1054] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1056] <... symlink resumed>) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./151/binderfs" [pid 1056] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1055] close(23 [pid 1054] close(22 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1056] <... symlink resumed>) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1056] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1055] close(24 [pid 1054] close(23 [pid 312] umount2("./151/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1056] <... symlink resumed>) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1055] close(25 [pid 1054] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(3 [pid 1056] <... openat resumed>) = 3 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1056] write(3, "1000", 4 [pid 1055] close(26 [pid 1054] close(25 [pid 312] newfstatat(AT_FDCWD, "./151/cgroup.net" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1056] <... write resumed>) = 4 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1056] close(3 [pid 1055] close(27 [pid 1054] close(26 [pid 312] unlink("./151/cgroup.net" [pid 311] getdents64(3 [pid 1056] <... close resumed>) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1056] symlink("/dev/binderfs", "./binderfs" [pid 1055] close(28 [pid 1054] close(27 [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1056] <... symlink resumed>) = 0 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./151/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1056] write(1, "executing program\n", 18 [pid 1055] close(29 [pid 1054] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1056] <... write resumed>) = 18 [pid 1055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./151/cgroup.cpu" [pid 311] <... umount2 resumed>) = 0 [pid 1056] mkdirat(AT_FDCWD, "./config", 0777 [pid 1055] exit_group(0 [pid 1054] close(29 [pid 1056] <... mkdirat resumed>) = 0 [pid 1055] <... exit_group resumed>) = ? [pid 1054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1056] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1055] +++ exited with 0 +++ [pid 1056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1054] exit_group(0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] unlink("./151/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1056] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1054] <... exit_group resumed>) = ? [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./146/config" [pid 1056] <... mkdirat resumed>) = 0 [pid 1056] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1054] +++ exited with 0 +++ [pid 1056] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] umount2("./151/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1056] <... unlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1056] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1056] <... unlinkat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./151/cgroup" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1056] close(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./151/cgroup" [pid 1056] close(4 [pid 311] openat(AT_FDCWD, "./146/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... restart_syscall resumed>) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1056] close(5 [pid 311] <... openat resumed>) = 4 [pid 312] getdents64(3 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] fstat(4 [pid 1056] close(6 [pid 312] close(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] getdents64(4 [pid 313] <... restart_syscall resumed>) = 0 [pid 310] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1056] close(7 [pid 312] rmdir("./151" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1056] close(8 [pid 313] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 311] getdents64(4 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./152", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1056] close(9 [pid 313] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... mkdir resumed>) = 0 [pid 311] close(4 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 3 [pid 1056] close(10 [pid 313] fstat(3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... close resumed>) = 0 [pid 310] fstat(3 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1056] close(11 [pid 313] getdents64(3 [pid 311] rmdir("./146/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1056] close(12 [pid 313] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1057 attached [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 1057] set_robust_list(0x55555bb49760, 24 [pid 1056] close(13 [pid 313] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 154 [pid 311] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1057] <... set_robust_list resumed>) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1057] rt_sigprocmask(SIG_SETMASK, [] [pid 1056] close(14 [pid 313] newfstatat(AT_FDCWD, "./153/config" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1057] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./146/binderfs" [pid 1057] chdir("./152" [pid 1056] close(15 [pid 313] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 1057] <... chdir resumed>) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1056] close(16 [pid 313] openat(AT_FDCWD, "./153/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./146/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1057] <... prctl resumed>) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1057] setpgid(0, 0 [pid 1056] close(17 [pid 313] fstat(4 [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./144/config" [pid 1057] <... setpgid resumed>) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] umount2("./146/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1057] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1056] close(18 [pid 313] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1057] <... symlink resumed>) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] newfstatat(AT_FDCWD, "./146/cgroup.net" [pid 1057] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1056] close(19 [pid 313] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1057] <... symlink resumed>) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./144/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1057] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1056] close(20 [pid 313] close(4 [pid 311] unlink("./146/cgroup.net" [pid 1057] <... symlink resumed>) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 1057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1056] close(21 [pid 313] rmdir("./153/config" [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 1057] <... openat resumed>) = 3 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] umount2("./146/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1057] write(3, "1000", 4 [pid 1056] close(22 [pid 313] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1057] <... write resumed>) = 4 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./146/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1057] close(3 [pid 1056] close(23 [pid 313] newfstatat(AT_FDCWD, "./153/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 1057] <... close resumed>) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./146/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1057] symlink("/dev/binderfs", "./binderfs" [pid 1056] close(24 [pid 313] unlink("./153/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 310] close(4 [pid 1057] <... symlink resumed>) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./146/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1057] write(1, "executing program\n", 18 [pid 1056] close(25 executing program [pid 313] umount2("./153/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1057] <... write resumed>) = 18 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./144/config" [pid 1057] mkdirat(AT_FDCWD, "./config", 0777 [pid 1056] close(26 [pid 313] newfstatat(AT_FDCWD, "./153/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./146/cgroup" [pid 1057] <... mkdirat resumed>) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1057] mount(NULL, "./config", "configfs", 0, NULL [pid 1056] close(27 [pid 313] unlink("./153/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1057] <... mount resumed>) = 0 [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] unlink("./146/cgroup" [pid 310] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1056] close(28 [pid 313] umount2("./153/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1057] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1056] close(29 [pid 313] newfstatat(AT_FDCWD, "./153/cgroup.cpu" [pid 311] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./144/binderfs" [pid 1057] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1056] exit_group(0 [pid 313] unlink("./153/cgroup.cpu" [pid 311] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1057] <... mkdirat resumed>) = 0 [pid 1056] <... exit_group resumed>) = ? [pid 313] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./144/binderfs" [pid 1057] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] umount2("./153/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./146" [pid 310] <... unlink resumed>) = 0 [pid 1057] <... symlinkat resumed>) = 0 [pid 1056] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./144/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1057] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] newfstatat(AT_FDCWD, "./153/cgroup" [pid 311] mkdir("./147", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1057] <... unlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./144/cgroup.net" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1057] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] unlink("./153/cgroup" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1057] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./144/cgroup.net" [pid 1057] close(3 [pid 313] getdents64(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1058 attached [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./144/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1058] set_robust_list(0x55555bb49760, 24 [pid 1057] close(4 [pid 313] close(3 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 149 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1058] <... set_robust_list resumed>) = 0 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./144/cgroup.cpu" [pid 309] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1058] rt_sigprocmask(SIG_SETMASK, [] [pid 1057] close(5 [pid 313] rmdir("./153" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 1058] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] unlink("./144/cgroup.cpu" [pid 309] fstat(3 [pid 1058] chdir("./147" [pid 1057] close(6 [pid 313] mkdir("./154", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1058] <... chdir resumed>) = 0 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 310] umount2("./144/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1057] close(7 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1058] <... prctl resumed>) = 0 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./144/cgroup" [pid 309] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1058] setpgid(0, 0 [pid 1057] close(8 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1059 attached [pid 1058] <... setpgid resumed>) = 0 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./144/cgroup" [pid 309] <... umount2 resumed>) = 0 [pid 1059] set_robust_list(0x55555bb49760, 24 [pid 1058] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1057] close(9 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 156 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1059] <... set_robust_list resumed>) = 0 [pid 1058] <... symlink resumed>) = 0 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1059] rt_sigprocmask(SIG_SETMASK, [] [pid 1058] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./143/config" [pid 1059] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1058] <... symlink resumed>) = 0 [pid 1057] close(10 [pid 310] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1059] chdir("./154" [pid 1058] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 309] umount2("./143/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1059] <... chdir resumed>) = 0 [pid 310] rmdir("./144" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1058] <... symlink resumed>) = 0 [pid 1057] close(11 [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./143/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1059] <... prctl resumed>) = 0 [pid 1058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./145", 0777 [pid 309] <... openat resumed>) = 4 [pid 1059] setpgid(0, 0 [pid 1058] <... openat resumed>) = 3 [pid 1057] close(12 [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(4 [pid 1059] <... setpgid resumed>) = 0 [pid 1058] write(3, "1000", 4 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1059] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 1058] <... write resumed>) = 4 [pid 1059] <... symlink resumed>) = 0 [pid 1057] close(13 [pid 1058] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 ci2-android-5-15/strace-static-x86_64: Process 1060 attached [pid 1059] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1058] <... close resumed>) = 0 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1060] set_robust_list(0x55555bb49760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 147 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1060] <... set_robust_list resumed>) = 0 [pid 1059] <... symlink resumed>) = 0 [pid 1058] symlink("/dev/binderfs", "./binderfs" [pid 1057] close(14 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(4 [pid 1060] rt_sigprocmask(SIG_SETMASK, [] [pid 1058] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1060] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1059] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1058] write(1, "executing program\n", 18 [pid 1057] close(15 [pid 309] rmdir("./143/config" [pid 1060] chdir("./145" [pid 1059] <... symlink resumed>) = 0 [pid 1058] <... write resumed>) = 18 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1060] <... chdir resumed>) = 0 [pid 1059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1058] mkdirat(AT_FDCWD, "./config", 0777 [pid 1060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1059] <... openat resumed>) = 3 [pid 1057] close(16 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1060] <... prctl resumed>) = 0 [pid 1059] write(3, "1000", 4 [pid 1058] <... mkdirat resumed>) = 0 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./143/binderfs" [pid 1060] setpgid(0, 0 [pid 1059] <... write resumed>) = 4 [pid 1058] mount(NULL, "./config", "configfs", 0, NULL [pid 1057] close(17 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1060] <... setpgid resumed>) = 0 [pid 1059] close(3 [pid 309] unlink("./143/binderfs" [pid 1060] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1059] <... close resumed>) = 0 [pid 1058] <... mount resumed>) = 0 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1060] <... symlink resumed>) = 0 [pid 1059] symlink("/dev/binderfs", "./binderfs" [pid 1058] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1057] close(18 [pid 309] umount2("./143/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1060] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1059] <... symlink resumed>) = 0 [pid 1058] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1060] <... symlink resumed>) = 0 [pid 1058] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1057] close(19 [pid 309] newfstatat(AT_FDCWD, "./143/cgroup.net" [pid 1059] write(1, "executing program\n", 18 [pid 1060] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1058] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1060] <... symlink resumed>) = 0 [pid 1058] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1057] close(20 [pid 309] unlink("./143/cgroup.net" executing program [pid 1060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1059] mkdirat(AT_FDCWD, "./config", 0777 [pid 1058] <... mkdirat resumed>) = 0 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1060] <... openat resumed>) = 3 [pid 1057] close(21 [pid 309] umount2("./143/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1060] write(3, "1000", 4 [pid 1059] <... mkdirat resumed>) = 0 [pid 1058] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1060] <... write resumed>) = 4 [pid 1059] mount(NULL, "./config", "configfs", 0, NULL [pid 309] newfstatat(AT_FDCWD, "./143/cgroup.cpu" [pid 1058] <... symlinkat resumed>) = 0 [pid 1057] close(22 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1060] close(3 [pid 1059] <... mount resumed>) = 0 [pid 1058] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./143/cgroup.cpu" [pid 1060] <... close resumed>) = 0 [pid 1059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1058] <... unlinkat resumed>) = 0 [pid 1057] close(23 [pid 309] <... unlink resumed>) = 0 [pid 1060] symlink("/dev/binderfs", "./binderfs" [pid 1059] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1058] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./143/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1060] <... symlink resumed>) = 0 [pid 1059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1059] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1058] <... unlinkat resumed>) = 0 [pid 1060] write(1, "executing program\n", 18 [pid 1057] close(24 executing program [pid 309] newfstatat(AT_FDCWD, "./143/cgroup" [pid 1060] <... write resumed>) = 18 [pid 1059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1058] close(3 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1060] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] unlink("./143/cgroup" [pid 1059] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1060] <... mkdirat resumed>) = 0 [pid 1059] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1057] close(25 [pid 309] getdents64(3 [pid 1060] mount(NULL, "./config", "configfs", 0, NULL [pid 1059] <... symlinkat resumed>) = 0 [pid 1058] close(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1060] <... mount resumed>) = 0 [pid 1059] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1057] close(26 [pid 309] close(3 [pid 1060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1058] close(5 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1060] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1059] <... unlinkat resumed>) = 0 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1057] close(27 [pid 309] rmdir("./143" [pid 1060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1059] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1058] close(6 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./144", 0777 [pid 1060] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 1060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1059] <... unlinkat resumed>) = 0 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1057] close(28 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1060] <... mkdirat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1059] close(3ci2-android-5-15/strace-static-x86_64: Process 1061 attached [pid 1060] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(7 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] set_robust_list(0x55555bb49760, 24 [pid 1060] <... symlinkat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 146 [pid 1059] close(4 [pid 1061] <... set_robust_list resumed>) = 0 [pid 1060] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1057] close(29 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1061] rt_sigprocmask(SIG_SETMASK, [] [pid 1060] <... unlinkat resumed>) = 0 [pid 1059] close(5 [pid 1061] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1058] close(8 [pid 1057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1060] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] chdir("./144" [pid 1059] close(6 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1057] exit_group(0 [pid 1060] <... unlinkat resumed>) = 0 [pid 1058] close(9 [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] <... chdir resumed>) = 0 [pid 1060] close(3 [pid 1059] close(7 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1057] <... exit_group resumed>) = ? [pid 1061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(10 [pid 1057] +++ exited with 0 +++ [pid 1059] close(8 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1061] <... prctl resumed>) = 0 [pid 1060] close(4 [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1061] setpgid(0, 0 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] close(9 [pid 1058] close(11 [pid 1061] <... setpgid resumed>) = 0 [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1060] close(5 [pid 1059] close(10 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(12 [pid 1061] <... symlink resumed>) = 0 [pid 1060] close(6 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(13 [pid 1061] <... symlink resumed>) = 0 [pid 1060] close(7 [pid 1061] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] close(11 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] <... symlink resumed>) = 0 [pid 1060] close(8 [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] close(12 [pid 1058] close(14 [pid 1061] <... openat resumed>) = 3 [pid 1060] close(9 [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] write(3, "1000", 4 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] <... write resumed>) = 4 [pid 1060] close(10 [pid 1059] close(13 [pid 1058] close(15 [pid 1061] close(3 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] <... close resumed>) = 0 [pid 1060] close(11 [pid 1059] close(14 [pid 1058] close(16 [pid 1061] symlink("/dev/binderfs", "./binderfs" [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1061] <... symlink resumed>) = 0 [pid 1060] close(12 [pid 1059] close(15 [pid 1058] close(17 [pid 1061] write(1, "executing program\n", 18 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] <... write resumed>) = 18 [pid 1060] close(13 [pid 1059] close(16 [pid 1061] mkdirat(AT_FDCWD, "./config", 0777 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(18 [pid 1061] <... mkdirat resumed>) = 0 [pid 1060] close(14 [pid 1059] close(17 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] mount(NULL, "./config", "configfs", 0, NULL [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(19 [pid 1061] <... mount resumed>) = 0 [pid 1060] close(15 [pid 1059] close(18 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(20 [pid 1061] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1060] close(16 [pid 1059] close(19 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(21 [pid 1061] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1060] close(17 [pid 1059] close(20 [pid 1061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] <... mkdirat resumed>) = 0 [pid 1060] close(18 [pid 1059] close(21 [pid 1061] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(22 [pid 1061] <... symlinkat resumed>) = 0 [pid 1060] close(19 [pid 1059] close(22 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(23 [pid 1061] <... unlinkat resumed>) = 0 [pid 1060] close(20 [pid 1059] close(23 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1061] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(24 [pid 312] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1061] <... unlinkat resumed>) = 0 [pid 1060] close(21 [pid 1059] close(24 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1061] close(3 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(25 [pid 312] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1060] close(22 [pid 1059] close(25 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1061] close(4 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(26 [pid 312] fstat(3 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1060] close(23 [pid 1059] close(26 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1061] close(5 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1060] close(24 [pid 1058] close(27 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1061] close(6 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] close(27 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1060] close(25 [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(28 [pid 1061] close(7 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1060] close(26 [pid 1059] close(28 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1061] close(8 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1060] close(27 [pid 1059] close(29 [pid 1058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./152/config" [pid 1061] close(9 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1058] exit_group(0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1060] close(28 [pid 1059] exit_group(0 [pid 1058] <... exit_group resumed>) = ? [pid 312] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1061] close(10 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./152/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 312] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(4 [pid 1058] +++ exited with 0 +++ [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1060] close(29 [pid 312] close(4 [pid 1059] <... exit_group resumed>) = ? [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1061] close(11 [pid 1060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] rmdir("./152/config") = 0 [pid 312] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./152/binderfs" [pid 1059] +++ exited with 0 +++ [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1060] exit_group(0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] unlink("./152/binderfs" [pid 1061] close(12 [pid 1060] <... exit_group resumed>) = ? [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... unlink resumed>) = 0 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] umount2("./152/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./152/cgroup.net" [pid 313] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1061] close(13 [pid 1060] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./152/cgroup.net" [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... unlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1061] close(14 [pid 313] <... openat resumed>) = 3 [pid 312] umount2("./152/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1061] close(15 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./152/cgroup.cpu" [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] unlink("./152/cgroup.cpu" [pid 1061] close(16 [pid 313] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./152/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1061] close(17 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./152/cgroup" [pid 1061] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./154/config" [pid 312] unlink("./152/cgroup" [pid 1061] close(19 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 1061] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./154/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] close(3 [pid 1061] close(21 [pid 313] <... openat resumed>) = 4 [pid 312] <... close resumed>) = 0 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] rmdir("./152" [pid 310] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1061] close(22 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] mkdir("./153", 0777 [pid 310] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1061] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... mkdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] fstat(3 [pid 1061] close(24 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3ci2-android-5-15/strace-static-x86_64: Process 1062 attached [pid 1061] close(25 [pid 313] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1062] set_robust_list(0x55555bb49760, 24 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./154/config" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 155 [pid 310] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1062] <... set_robust_list resumed>) = 0 [pid 1061] close(26 [pid 313] <... rmdir resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 313] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1062] rt_sigprocmask(SIG_SETMASK, [] [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1062] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1061] close(27 [pid 313] newfstatat(AT_FDCWD, "./154/binderfs" [pid 310] newfstatat(AT_FDCWD, "./145/config" [pid 1062] chdir("./153" [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1062] <... chdir resumed>) = 0 [pid 1061] close(28 [pid 313] unlink("./154/binderfs" [pid 310] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1062] <... prctl resumed>) = 0 [pid 1061] close(29 [pid 313] umount2("./154/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./145/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1062] setpgid(0, 0 [pid 1061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 313] newfstatat(AT_FDCWD, "./154/cgroup.net" [pid 310] fstat(4 [pid 1062] <... setpgid resumed>) = 0 [pid 1061] exit_group(0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1062] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1061] <... exit_group resumed>) = ? [pid 313] unlink("./154/cgroup.net" [pid 311] <... restart_syscall resumed>) = 0 [pid 310] getdents64(4 [pid 1062] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] umount2("./154/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1062] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1061] +++ exited with 0 +++ [pid 313] newfstatat(AT_FDCWD, "./154/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 1062] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1062] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] unlink("./154/cgroup.cpu" [pid 311] <... openat resumed>) = 3 [pid 310] rmdir("./145/config" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1062] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] fstat(3 [pid 310] <... rmdir resumed>) = 0 [pid 1062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./154/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1062] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1062] write(3, "1000", 4 [pid 313] newfstatat(AT_FDCWD, "./154/cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] newfstatat(AT_FDCWD, "./145/binderfs" [pid 1062] <... write resumed>) = 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1062] close(3 [pid 313] unlink("./154/cgroup" [pid 311] <... umount2 resumed>) = 0 [pid 310] unlink("./145/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 1062] <... close resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1062] symlink("/dev/binderfs", "./binderfs" [pid 313] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./145/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./147/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1062] <... symlink resumed>) = 0 [pid 313] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./145/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1062] write(1, "executing program\n", 18 [pid 313] <... close resumed>) = 0 [pid 311] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 309] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1062] <... write resumed>) = 18 [pid 313] rmdir("./154" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./145/cgroup.net" [pid 309] <... openat resumed>) = 3 [pid 1062] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 311] openat(AT_FDCWD, "./147/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1062] <... mkdirat resumed>) = 0 [pid 313] mkdir("./155", 0777 [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./145/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1062] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... mkdir resumed>) = 0 [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1062] <... mount resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./145/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1062] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] unlink("./145/cgroup.cpu" [pid 309] <... umount2 resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1063 attached [pid 1062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1063] set_robust_list(0x55555bb49760, 24 [pid 1062] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 157 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./145/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1063] <... set_robust_list resumed>) = 0 [pid 1062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./144/config" [pid 1063] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./145/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1062] <... mkdirat resumed>) = 0 [pid 311] rmdir("./147/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./144/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1063] chdir("./155" [pid 1062] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... rmdir resumed>) = 0 [pid 310] unlink("./145/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1063] <... chdir resumed>) = 0 [pid 1062] <... symlinkat resumed>) = 0 [pid 311] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./144/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1062] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] <... openat resumed>) = 4 [pid 1063] <... prctl resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./147/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 1063] setpgid(0, 0 [pid 1062] <... unlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1063] <... setpgid resumed>) = 0 [pid 1062] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] unlink("./147/binderfs" [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 1063] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./145" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1062] <... unlinkat resumed>) = 0 [pid 1063] <... symlink resumed>) = 0 [pid 1062] close(3 [pid 311] umount2("./147/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 1063] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./146", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1063] <... symlink resumed>) = 0 [pid 1062] close(4 [pid 311] newfstatat(AT_FDCWD, "./147/cgroup.net" [pid 310] <... mkdir resumed>) = 0 [pid 309] close(4 [pid 1063] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... close resumed>) = 0 [pid 1063] <... symlink resumed>) = 0 [pid 1062] close(5 [pid 311] unlink("./147/cgroup.net" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rmdir("./144/config" [pid 1063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1064 attached [pid 1063] <... openat resumed>) = 3 [pid 1062] close(6 [pid 311] umount2("./147/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1064] set_robust_list(0x55555bb49760, 24 [pid 1063] write(3, "1000", 4 [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 148 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1064] <... set_robust_list resumed>) = 0 [pid 1063] <... write resumed>) = 4 [pid 1062] close(7 [pid 311] newfstatat(AT_FDCWD, "./147/cgroup.cpu" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./144/binderfs" [pid 1064] rt_sigprocmask(SIG_SETMASK, [] [pid 1063] close(3 [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1064] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1063] <... close resumed>) = 0 [pid 1062] close(8 [pid 311] unlink("./147/cgroup.cpu" [pid 309] unlink("./144/binderfs" [pid 1064] chdir("./146" [pid 1063] symlink("/dev/binderfs", "./binderfs" [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1064] <... chdir resumed>) = 0 [pid 311] umount2("./147/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./144/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1063] <... symlink resumed>) = 0 [pid 1062] close(9 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1063] write(1, "executing program\n", 18 [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... prctl resumed>) = 0 executing program [pid 311] newfstatat(AT_FDCWD, "./147/cgroup" [pid 309] newfstatat(AT_FDCWD, "./144/cgroup.net" [pid 1064] setpgid(0, 0 [pid 1063] <... write resumed>) = 18 [pid 1062] close(10 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1064] <... setpgid resumed>) = 0 [pid 311] unlink("./147/cgroup" [pid 309] unlink("./144/cgroup.net" [pid 1064] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1063] mkdirat(AT_FDCWD, "./config", 0777 [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 309] umount2("./144/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1064] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1064] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1063] <... mkdirat resumed>) = 0 [pid 1062] close(11 [pid 311] close(3 [pid 309] newfstatat(AT_FDCWD, "./144/cgroup.cpu" [pid 1064] <... symlink resumed>) = 0 [pid 1063] mount(NULL, "./config", "configfs", 0, NULL [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1064] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1063] <... mount resumed>) = 0 [pid 1062] close(12 [pid 311] rmdir("./147" [pid 309] unlink("./144/cgroup.cpu" [pid 1064] <... symlink resumed>) = 0 [pid 1063] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] mkdir("./148", 0777 [pid 309] umount2("./144/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1064] <... openat resumed>) = 3 [pid 1063] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1062] close(13 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1064] write(3, "1000", 4 [pid 1063] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./144/cgroup" [pid 1064] <... write resumed>) = 4 [pid 1063] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1064] close(3 [pid 1063] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1062] close(14 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./144/cgroup"ci2-android-5-15/strace-static-x86_64: Process 1065 attached [pid 1064] <... close resumed>) = 0 [pid 1063] <... mkdirat resumed>) = 0 [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1065] set_robust_list(0x55555bb49760, 24 [pid 1064] symlink("/dev/binderfs", "./binderfs" [pid 1063] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1062] close(15 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 150 [pid 309] getdents64(3 [pid 1065] <... set_robust_list resumed>) = 0 [pid 1064] <... symlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1065] rt_sigprocmask(SIG_SETMASK, [] [pid 1064] write(1, "executing program\n", 18 [pid 1063] <... symlinkat resumed>) = 0 [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 309] close(3 [pid 1065] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1064] <... write resumed>) = 18 [pid 1063] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1062] close(16 [pid 309] <... close resumed>) = 0 [pid 1065] chdir("./148" [pid 1064] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] rmdir("./144" [pid 1065] <... chdir resumed>) = 0 [pid 1064] <... mkdirat resumed>) = 0 [pid 1063] <... unlinkat resumed>) = 0 [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1064] mount(NULL, "./config", "configfs", 0, NULL [pid 1063] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1062] close(17 [pid 309] mkdir("./145", 0777 [pid 1065] <... prctl resumed>) = 0 [pid 1064] <... mount resumed>) = 0 [pid 1063] <... unlinkat resumed>) = 0 [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1065] setpgid(0, 0 [pid 1064] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1063] close(3 [pid 1062] close(18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1065] <... setpgid resumed>) = 0 [pid 1064] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1065] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1064] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1063] close(4 [pid 1062] close(19 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1065] <... symlink resumed>) = 0 [pid 1064] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1066 attached [pid 1065] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1064] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1063] close(5 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 147 [pid 1062] close(20 [pid 1066] set_robust_list(0x55555bb49760, 24 [pid 1065] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1066] <... set_robust_list resumed>) = 0 [pid 1064] <... mkdirat resumed>) = 0 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1066] rt_sigprocmask(SIG_SETMASK, [] [pid 1064] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1063] close(6 [pid 1065] <... symlink resumed>) = 0 [pid 1062] close(21 [pid 1066] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1064] <... symlinkat resumed>) = 0 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] chdir("./145") = 0 [pid 1065] <... openat resumed>) = 3 [pid 1063] close(7 [pid 1064] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1062] close(22 [pid 1066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1065] write(3, "1000", 4 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... prctl resumed>) = 0 [pid 1065] <... write resumed>) = 4 [pid 1064] <... unlinkat resumed>) = 0 [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] setpgid(0, 0 [pid 1065] close(3 [pid 1064] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1063] close(8 [pid 1062] close(23 [pid 1066] <... setpgid resumed>) = 0 [pid 1065] <... close resumed>) = 0 [pid 1064] <... unlinkat resumed>) = 0 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1065] symlink("/dev/binderfs", "./binderfs" [pid 1064] close(3 [pid 1063] close(9 [pid 1062] close(24 [pid 1066] <... symlink resumed>) = 0 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] <... symlink resumed>) = 0 [pid 1062] close(25 [pid 1063] close(10 [pid 1066] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1065] write(1, "executing program\n", 18 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... symlink resumed>) = 0 [pid 1065] <... write resumed>) = 18 [pid 1064] close(4 [pid 1063] close(11 [pid 1062] close(26 [pid 1066] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1065] mkdirat(AT_FDCWD, "./config", 0777 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... symlink resumed>) = 0 [pid 1064] close(5 [pid 1063] close(12 [pid 1065] <... mkdirat resumed>) = 0 [pid 1062] close(27 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1065] mount(NULL, "./config", "configfs", 0, NULL [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] close(13 [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... openat resumed>) = 3 [pid 1064] close(6 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1062] close(28 [pid 1065] <... mount resumed>) = 0 [pid 1066] write(3, "1000", 4 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] close(14 [pid 1065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... write resumed>) = 4 [pid 1065] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1064] close(7 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1062] close(29 [pid 1066] close(3 [pid 1065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] close(15 [pid 1065] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1064] close(8 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... close resumed>) = 0 [pid 1065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] close(16 [pid 1066] symlink("/dev/binderfs", "./binderfs" [pid 1062] exit_group(0 [pid 1065] <... mkdirat resumed>) = 0 [pid 1064] close(9 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1062] <... exit_group resumed>) = ? [pid 1066] <... symlink resumed>) = 0 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] close(17 [pid 1062] +++ exited with 0 +++ [pid 1066] write(1, "executing program\n", 18 [pid 1065] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1064] close(10 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1066] <... write resumed>) = 18 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1065] <... symlinkat resumed>) = 0 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1063] close(18 [pid 1066] mkdirat(AT_FDCWD, "./config", 0777 [pid 1065] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1064] close(11 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... mkdirat resumed>) = 0 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] close(19 [pid 1065] <... unlinkat resumed>) = 0 [pid 1066] mount(NULL, "./config", "configfs", 0, NULL [pid 1064] close(12 [pid 1065] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... mount resumed>) = 0 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] close(20 [pid 1065] <... unlinkat resumed>) = 0 [pid 1064] close(13 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1065] close(3 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] close(21 [pid 1066] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] close(14 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1065] close(4 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] close(15 [pid 1063] close(22 [pid 1066] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1065] close(5 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... mkdirat resumed>) = 0 [pid 1064] close(16 [pid 1063] close(23 [pid 1066] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... symlinkat resumed>) = 0 [pid 1064] close(17 [pid 1066] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1065] close(6 [pid 1063] close(24 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... unlinkat resumed>) = 0 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] close(18 [pid 1066] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] close(25 [pid 1066] <... unlinkat resumed>) = 0 [pid 1065] close(7 [pid 1064] close(19 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] close(3 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] close(26 [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(8 [pid 1064] close(20 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] close(4 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] close(27 [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(9 [pid 1064] close(21 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] close(5 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] close(28 [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(10 [pid 1064] close(22 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] close(6) = -1 EBADF (Bad file descriptor) [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] close(29 [pid 1066] close(7 [pid 1065] close(11 [pid 1064] close(23 [pid 1063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(12 [pid 1063] exit_group(0 [pid 1066] close(8 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] close(24 [pid 1063] <... exit_group resumed>) = ? [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(13 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1063] +++ exited with 0 +++ [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(14 [pid 1064] close(25 [pid 1066] close(9 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(15 [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] close(10 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] close(26 [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(16 [pid 1066] close(11 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(17 [pid 1064] close(27 [pid 1066] close(12 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(18 [pid 1064] close(28 [pid 1066] close(13 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(19 [pid 1064] close(29 [pid 1066] close(14 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1066] close(15 [pid 1065] close(20) = -1 EBADF (Bad file descriptor) [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] exit_group(0 [pid 1066] close(16 [pid 1065] close(21 [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1064] <... exit_group resumed>) = ? [pid 1066] close(17 [pid 1065] close(22 [pid 312] <... restart_syscall resumed>) = 0 [pid 312] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1064] +++ exited with 0 +++ [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(23 [pid 312] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1066] close(18 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(24 [pid 312] fstat(3 [pid 1066] close(19 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(25 [pid 312] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1066] close(20 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(26 [pid 1066] close(21 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(27 [pid 312] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1066] close(22 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./153/config" [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1066] close(23 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./153/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] close(29 [pid 312] <... openat resumed>) = 4 [pid 1066] close(24 [pid 1065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1066] close(25 [pid 1065] exit_group(0 [pid 312] getdents64(4 [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1065] <... exit_group resumed>) = ? [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(4 [pid 1066] close(26 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4) = 0 [pid 312] rmdir("./153/config" [pid 310] <... restart_syscall resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 1065] +++ exited with 0 +++ [pid 312] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1066] close(27 [pid 312] newfstatat(AT_FDCWD, "./153/binderfs" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1066] close(28 [pid 312] unlink("./153/binderfs" [pid 310] <... openat resumed>) = 3 [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 1066] close(29 [pid 312] umount2("./153/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1066] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./153/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1066] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./153/cgroup.net") = 0 [pid 310] <... umount2 resumed>) = 0 [pid 312] umount2("./153/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1066] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./153/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./146/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] unlink("./153/cgroup.cpu" [pid 310] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./153/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./146/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 312] newfstatat(AT_FDCWD, "./153/cgroup" [pid 310] fstat(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] unlink("./153/cgroup" [pid 310] getdents64(4 [pid 312] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(3 [pid 310] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(3 [pid 310] close(4 [pid 312] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 312] rmdir("./153" [pid 311] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./146/config" [pid 312] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 312] mkdir("./154", 0777 [pid 310] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 311] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./146/binderfs" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... openat resumed>) = 3 [pid 310] unlink("./146/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1067 attached [pid 313] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(3 [pid 310] <... unlink resumed>) = 0 [pid 1067] set_robust_list(0x55555bb49760, 24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 156 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./146/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1067] <... set_robust_list resumed>) = 0 [pid 313] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] getdents64(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 1067] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... openat resumed>) = 3 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1067] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] fstat(3 [pid 311] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./146/cgroup.net" [pid 1067] chdir("./154" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1067] <... chdir resumed>) = 0 [pid 313] getdents64(3 [pid 311] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./146/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1067] <... prctl resumed>) = 0 [pid 313] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./148/config" [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1067] setpgid(0, 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./146/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 1067] <... setpgid resumed>) = 0 [pid 313] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1067] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./146/cgroup.cpu" [pid 309] getdents64(3 [pid 1067] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./155/config" [pid 311] openat(AT_FDCWD, "./148/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1067] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] unlink("./146/cgroup.cpu" [pid 309] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1067] <... symlink resumed>) = 0 [pid 313] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 1067] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1067] <... symlink resumed>) = 0 [pid 313] openat(AT_FDCWD, "./155/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] getdents64(4 [pid 310] umount2("./146/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... openat resumed>) = 4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] fstat(4 [pid 311] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./145/config" [pid 1067] <... openat resumed>) = 3 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./146/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1067] write(3, "1000", 4 [pid 313] getdents64(4 [pid 311] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./145/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1067] <... write resumed>) = 4 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./146/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1067] close(3 [pid 313] getdents64(4 [pid 311] rmdir("./148/config" [pid 309] openat(AT_FDCWD, "./145/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1067] <... close resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1067] symlink("/dev/binderfs", "./binderfs" [pid 313] close(4 [pid 311] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] fstat(4 [pid 1067] <... symlink resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1067] write(1, "executing program\n", 18 [pid 313] rmdir("./155/config" [pid 311] newfstatat(AT_FDCWD, "./148/binderfs" [pid 310] close(3 [pid 309] getdents64(4 [pid 1067] <... write resumed>) = 18 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1067] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./148/binderfs" [pid 310] rmdir("./146" [pid 309] getdents64(4 [pid 1067] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1067] mount(NULL, "./config", "configfs", 0, NULL [pid 313] newfstatat(AT_FDCWD, "./155/binderfs" [pid 311] umount2("./148/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] close(4 [pid 1067] <... mount resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./147", 0777 [pid 309] <... close resumed>) = 0 [pid 1067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] unlink("./155/binderfs" [pid 311] newfstatat(AT_FDCWD, "./148/cgroup.net" [pid 309] rmdir("./145/config" [pid 1067] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./155/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./148/cgroup.net" [pid 309] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1067] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] newfstatat(AT_FDCWD, "./155/cgroup.net" [pid 311] umount2("./148/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./145/binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1067] <... mkdirat resumed>) = 0 [pid 313] unlink("./155/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./148/cgroup.cpu" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./145/binderfs" [pid 1067] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] umount2("./155/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./148/cgroup.cpu" [pid 309] umount2("./145/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1068 attached [pid 1067] <... symlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1068] set_robust_list(0x55555bb49760, 24 [pid 1067] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] newfstatat(AT_FDCWD, "./155/cgroup.cpu" [pid 311] umount2("./148/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 149 [pid 309] newfstatat(AT_FDCWD, "./145/cgroup.net" [pid 1068] <... set_robust_list resumed>) = 0 [pid 1067] <... unlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1068] rt_sigprocmask(SIG_SETMASK, [] [pid 1067] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] unlink("./155/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./148/cgroup" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./145/cgroup.net" [pid 1068] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1067] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1068] chdir("./147" [pid 1067] close(3 [pid 313] umount2("./155/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./148/cgroup" [pid 309] umount2("./145/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1068] <... chdir resumed>) = 0 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1067] close(4 [pid 313] newfstatat(AT_FDCWD, "./155/cgroup" [pid 311] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./145/cgroup.cpu" [pid 1068] <... prctl resumed>) = 0 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1068] setpgid(0, 0 [pid 1067] close(5 [pid 313] unlink("./155/cgroup" [pid 311] close(3 [pid 309] unlink("./145/cgroup.cpu" [pid 1068] <... setpgid resumed>) = 0 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1068] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1067] close(6 [pid 313] getdents64(3 [pid 311] rmdir("./148" [pid 309] umount2("./145/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1068] <... symlink resumed>) = 0 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1068] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1067] close(7 [pid 313] close(3 [pid 311] mkdir("./149", 0777 [pid 309] newfstatat(AT_FDCWD, "./145/cgroup" [pid 1068] <... symlink resumed>) = 0 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1068] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1067] close(8 [pid 313] rmdir("./155" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./145/cgroup" [pid 1068] <... symlink resumed>) = 0 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1067] close(9 [pid 313] mkdir("./156", 0777 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3 [pid 1068] <... openat resumed>) = 3 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1069 attached [pid 1068] write(3, "1000", 4 [pid 1067] close(10 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 151 [pid 309] close(3 [pid 1069] set_robust_list(0x55555bb49760, 24 [pid 1068] <... write resumed>) = 4 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 1069] <... set_robust_list resumed>) = 0 [pid 1068] close(3 [pid 1067] close(11 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./145"ci2-android-5-15/strace-static-x86_64: Process 1070 attached [pid 1069] rt_sigprocmask(SIG_SETMASK, [] [pid 1068] <... close resumed>) = 0 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1070] set_robust_list(0x55555bb49760, 24 [pid 1069] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1068] symlink("/dev/binderfs", "./binderfs" [pid 1067] close(12 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 158 [pid 309] mkdir("./146", 0777 [pid 1070] <... set_robust_list resumed>) = 0 [pid 1069] chdir("./149" [pid 1068] <... symlink resumed>) = 0 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 1068] write(1, "executing program\n", 18 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1070] rt_sigprocmask(SIG_SETMASK, [] [pid 1069] <... chdir resumed>) = 0 [pid 1068] <... write resumed>) = 18 [pid 1067] close(13 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1070] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1068] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1070] chdir("./156" [pid 1069] <... prctl resumed>) = 0 [pid 1068] <... mkdirat resumed>) = 0 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1071 attached [pid 1070] <... chdir resumed>) = 0 [pid 1069] setpgid(0, 0 [pid 1068] mount(NULL, "./config", "configfs", 0, NULL [pid 1067] close(14 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 148 [pid 1071] set_robust_list(0x55555bb49760, 24 [pid 1070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1069] <... setpgid resumed>) = 0 [pid 1068] <... mount resumed>) = 0 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1071] <... set_robust_list resumed>) = 0 [pid 1070] <... prctl resumed>) = 0 [pid 1069] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1067] close(15 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1071] rt_sigprocmask(SIG_SETMASK, [] [pid 1070] setpgid(0, 0 [pid 1068] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1071] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1070] <... setpgid resumed>) = 0 [pid 1069] <... symlink resumed>) = 0 [pid 1068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] chdir("./146" [pid 1070] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1069] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1068] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1067] close(16 [pid 1071] <... chdir resumed>) = 0 [pid 1068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1070] <... symlink resumed>) = 0 [pid 1069] <... symlink resumed>) = 0 [pid 1068] <... mkdirat resumed>) = 0 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... prctl resumed>) = 0 [pid 1070] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1069] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1068] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1071] setpgid(0, 0 [pid 1070] <... symlink resumed>) = 0 [pid 1068] <... symlinkat resumed>) = 0 [pid 1067] close(17 [pid 1071] <... setpgid resumed>) = 0 [pid 1070] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1069] <... symlink resumed>) = 0 [pid 1068] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1071] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1070] <... symlink resumed>) = 0 [pid 1068] <... unlinkat resumed>) = 0 [pid 1069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... symlink resumed>) = 0 [pid 1070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1068] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1071] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1069] <... openat resumed>) = 3 [pid 1068] <... unlinkat resumed>) = 0 [pid 1067] close(18 [pid 1070] <... openat resumed>) = 3 [pid 1068] close(3) = -1 EBADF (Bad file descriptor) [pid 1071] <... symlink resumed>) = 0 [pid 1068] close(4 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1070] write(3, "1000", 4 [pid 1069] write(3, "1000", 4 [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1067] close(19 [pid 1071] <... symlink resumed>) = 0 [pid 1070] <... write resumed>) = 4 [pid 1069] <... write resumed>) = 4 [pid 1068] close(5 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1070] close(3 [pid 1069] close(3 [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1067] close(20 [pid 1068] close(6 [pid 1071] <... openat resumed>) = 3 [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] write(3, "1000", 4 [pid 1070] <... close resumed>) = 0 [pid 1069] <... close resumed>) = 0 [pid 1068] close(7 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... write resumed>) = 4 [pid 1070] symlink("/dev/binderfs", "./binderfs" [pid 1069] symlink("/dev/binderfs", "./binderfs" [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1067] close(21 [pid 1071] close(3 [pid 1070] <... symlink resumed>) = 0 [pid 1068] close(8 [pid 1069] <... symlink resumed>) = 0 [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = 0 [pid 1070] write(1, "executing program\n", 18 [pid 1069] write(1, "executing program\n", 18 [pid 1068] close(9 executing program executing program [pid 1067] close(22 [pid 1071] symlink("/dev/binderfs", "./binderfs" [pid 1070] <... write resumed>) = 18 [pid 1069] <... write resumed>) = 18 [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... symlink resumed>) = 0 [pid 1068] close(10) = -1 EBADF (Bad file descriptor) [pid 1068] close(11) = -1 EBADF (Bad file descriptor) [pid 1068] close(12) = -1 EBADF (Bad file descriptor) [pid 1070] mkdirat(AT_FDCWD, "./config", 0777 [pid 1068] close(13 [pid 1071] write(1, "executing program\n", 18 [pid 1069] mkdirat(AT_FDCWD, "./config", 0777 [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1067] close(23 [pid 1071] <... write resumed>) = 18 [pid 1070] <... mkdirat resumed>) = 0 executing program [pid 1068] close(14 [pid 1071] mkdirat(AT_FDCWD, "./config", 0777 [pid 1069] <... mkdirat resumed>) = 0 [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] mount(NULL, "./config", "configfs", 0, NULL [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... mkdirat resumed>) = 0 [pid 1069] mount(NULL, "./config", "configfs", 0, NULL [pid 1068] close(15 [pid 1070] <... mount resumed>) = 0 [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1067] close(24 [pid 1071] mount(NULL, "./config", "configfs", 0, NULL [pid 1070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1069] <... mount resumed>) = 0 [pid 1068] close(16 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... mount resumed>) = 0 [pid 1070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1067] close(25 [pid 1071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1069] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1068] close(17 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1068] close(18 [pid 1067] close(26 [pid 1071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1069] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1068] close(19 [pid 1067] close(27 [pid 1071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1068] close(20) = -1 EBADF (Bad file descriptor) [pid 1068] close(21 [pid 1070] <... mkdirat resumed>) = 0 [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1070] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1069] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1068] close(22 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1070] <... symlinkat resumed>) = 0 [pid 1069] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1068] close(23 [pid 1067] close(28 [pid 1071] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1070] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1069] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... unlinkat resumed>) = 0 [pid 1069] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1068] close(24 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1070] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1068] close(25 [pid 1067] close(29 [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... unlinkat resumed>) = 0 [pid 1070] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1069] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1068] close(26 [pid 1067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] close(3 [pid 1070] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1069] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(3 [pid 1069] close(3 [pid 1068] close(27 [pid 1067] exit_group(0 [pid 1071] close(4 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1067] <... exit_group resumed>) = ? [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(4 [pid 1069] close(4 [pid 1068] close(28) = -1 EBADF (Bad file descriptor) [pid 1068] close(29) = -1 EBADF (Bad file descriptor) [pid 1068] exit_group(0) = ? [pid 1071] close(5 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1068] +++ exited with 0 +++ [pid 1067] +++ exited with 0 +++ [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(5 [pid 1069] close(5 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1071] close(6 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(6 [pid 1069] close(6 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1071] close(7 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(7 [pid 1071] close(8 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(7 [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(8 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] close(9 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(8 [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(9 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] close(10 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(9 [pid 1071] close(11 [pid 1070] close(10 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(10 [pid 1071] close(12 [pid 1070] close(11 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(11 [pid 1071] close(13 [pid 1070] close(12 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(12 [pid 1071] close(14 [pid 1070] close(13 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(13 [pid 1071] close(15 [pid 1070] close(14 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(14 [pid 1071] close(16 [pid 1070] close(15 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(15 [pid 1071] close(17 [pid 1070] close(16 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(16 [pid 1071] close(18 [pid 1070] close(17 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] close(19 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(17 [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(18 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] close(20 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(18 [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(19 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] close(21 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(19 [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(20 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] close(22 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(20 [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(21 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] close(23 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(21 [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(22 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] close(24 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(22 [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(23 [pid 1071] close(25 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(23 [pid 1071] close(26 [pid 1070] close(24 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] close(24 [pid 1070] close(25 [pid 1071] close(27 [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(26 [pid 1069] close(25 [pid 1071] close(28 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... restart_syscall resumed>) = 0 [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(27 [pid 1069] close(26 [pid 310] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1071] close(29 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1070] close(28 [pid 1069] close(27 [pid 312] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 1071] exit_group(0 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 1071] <... exit_group resumed>) = ? [pid 1070] close(29 [pid 1069] close(28 [pid 312] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1070] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 312] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(3 [pid 1070] exit_group(0 [pid 1069] close(29 [pid 312] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1070] <... exit_group resumed>) = ? [pid 1069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1071] +++ exited with 0 +++ [pid 312] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1069] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./154/config" [pid 310] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./154/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1070] +++ exited with 0 +++ [pid 312] <... openat resumed>) = 4 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] fstat(4 [pid 1069] <... exit_group resumed>) = ? [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 312] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4) = 0 [pid 312] rmdir("./154/config" [pid 1069] +++ exited with 0 +++ [pid 312] <... rmdir resumed>) = 0 [pid 312] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] newfstatat(AT_FDCWD, "./154/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./154/binderfs" [pid 310] newfstatat(AT_FDCWD, "./147/config" [pid 312] <... unlink resumed>) = 0 [pid 312] umount2("./154/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./154/cgroup.net" [pid 310] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./154/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 312] umount2("./154/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./147/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./154/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 312] unlink("./154/cgroup.cpu") = 0 [pid 310] fstat(4 [pid 311] <... restart_syscall resumed>) = 0 [pid 312] umount2("./154/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./154/cgroup" [pid 311] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./154/cgroup" [pid 311] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 312] getdents64(3 [pid 311] fstat(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] close(3 [pid 311] getdents64(3 [pid 310] close(4 [pid 312] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] rmdir("./154" [pid 311] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 313] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = 0 [pid 310] rmdir("./147/config" [pid 313] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... rmdir resumed>) = 0 [pid 311] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... openat resumed>) = 3 [pid 312] mkdir("./155", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 313] fstat(3 [pid 311] newfstatat(AT_FDCWD, "./149/config" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] getdents64(3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./147/binderfs" [pid 313] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] openat(AT_FDCWD, "./149/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 309] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1072 attached [pid 313] newfstatat(AT_FDCWD, "./156/config" [pid 311] getdents64(4 [pid 310] unlink("./147/binderfs" [pid 309] <... openat resumed>) = 3 [pid 1072] set_robust_list(0x55555bb49760, 24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 157 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1072] <... set_robust_list resumed>) = 0 [pid 313] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] getdents64(4 [pid 310] umount2("./147/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1072] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1072] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] openat(AT_FDCWD, "./156/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] close(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1072] chdir("./155" [pid 313] <... openat resumed>) = 4 [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./147/cgroup.net" [pid 309] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1072] <... chdir resumed>) = 0 [pid 313] fstat(4 [pid 311] rmdir("./149/config" [pid 1072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1072] <... prctl resumed>) = 0 [pid 313] getdents64(4 [pid 311] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./147/cgroup.net" [pid 309] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1072] setpgid(0, 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1072] <... setpgid resumed>) = 0 [pid 313] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./149/binderfs" [pid 310] umount2("./147/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./146/config" [pid 1072] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1072] <... symlink resumed>) = 0 [pid 313] close(4 [pid 311] unlink("./149/binderfs" [pid 310] newfstatat(AT_FDCWD, "./147/cgroup.cpu" [pid 309] umount2("./146/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1072] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1072] <... symlink resumed>) = 0 [pid 313] rmdir("./156/config" [pid 311] umount2("./149/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./146/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1072] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./147/cgroup.cpu" [pid 309] <... openat resumed>) = 4 [pid 1072] <... symlink resumed>) = 0 [pid 313] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./149/cgroup.net" [pid 309] fstat(4 [pid 1072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1072] <... openat resumed>) = 3 [pid 313] newfstatat(AT_FDCWD, "./156/binderfs" [pid 311] unlink("./149/cgroup.net" [pid 310] umount2("./147/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1072] write(3, "1000", 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1072] <... write resumed>) = 4 [pid 313] unlink("./156/binderfs" [pid 311] umount2("./149/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./147/cgroup" [pid 309] getdents64(4 [pid 1072] close(3 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1072] <... close resumed>) = 0 [pid 313] umount2("./156/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./149/cgroup.cpu" [pid 310] unlink("./147/cgroup" [pid 309] close(4 [pid 1072] symlink("/dev/binderfs", "./binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1072] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./156/cgroup.net" [pid 311] unlink("./149/cgroup.cpu" [pid 310] getdents64(3 [pid 309] rmdir("./146/config" [pid 1072] write(1, "executing program\n", 18 executing program [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1072] <... write resumed>) = 18 [pid 313] unlink("./156/cgroup.net" [pid 311] umount2("./149/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1072] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1072] <... mkdirat resumed>) = 0 [pid 313] umount2("./156/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./149/cgroup" [pid 310] rmdir("./147" [pid 309] newfstatat(AT_FDCWD, "./146/binderfs" [pid 1072] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1072] <... mount resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./156/cgroup.cpu" [pid 311] unlink("./149/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./146/binderfs" [pid 1072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] mkdir("./148", 0777 [pid 309] <... unlink resumed>) = 0 [pid 1072] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] unlink("./156/cgroup.cpu" [pid 311] getdents64(3 [pid 309] umount2("./146/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1072] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./156/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 309] newfstatat(AT_FDCWD, "./146/cgroup.net" [pid 1072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1072] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./156/cgroup" [pid 311] rmdir("./149" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] unlink("./146/cgroup.net" [pid 1072] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1072] <... symlinkat resumed>) = 0 [pid 313] unlink("./156/cgroup" [pid 311] mkdir("./150", 0777 [pid 309] umount2("./146/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1072] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1073 attached [pid 1072] <... unlinkat resumed>) = 0 [pid 313] getdents64(3 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./146/cgroup.cpu" [pid 1073] set_robust_list(0x55555bb49760, 24 [pid 1072] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 150 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1073] <... set_robust_list resumed>) = 0 [pid 1072] <... unlinkat resumed>) = 0 [pid 313] close(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./146/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1074 attached [pid 1073] rt_sigprocmask(SIG_SETMASK, [] [pid 1072] close(3 [pid 313] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 1074] set_robust_list(0x55555bb49760, 24 [pid 1073] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./156" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 152 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./146/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1074] <... set_robust_list resumed>) = 0 [pid 1073] chdir("./148" [pid 1072] close(4 [pid 313] <... rmdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1074] rt_sigprocmask(SIG_SETMASK, [] [pid 1073] <... chdir resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./157", 0777 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./146/cgroup" [pid 1074] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1072] close(5 [pid 313] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1074] chdir("./150" [pid 1073] <... prctl resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./146/cgroup" [pid 1074] <... chdir resumed>) = 0 [pid 1073] setpgid(0, 0 [pid 1072] close(6 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1073] <... setpgid resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3ci2-android-5-15/strace-static-x86_64: Process 1075 attached [pid 1074] <... prctl resumed>) = 0 [pid 1073] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1072] close(7 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1075] set_robust_list(0x55555bb49760, 24 [pid 1074] setpgid(0, 0 [pid 1073] <... symlink resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 159 [pid 309] close(3 [pid 1075] <... set_robust_list resumed>) = 0 [pid 1074] <... setpgid resumed>) = 0 [pid 1073] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1072] close(8 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 1075] rt_sigprocmask(SIG_SETMASK, [] [pid 1074] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1073] <... symlink resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./146" [pid 1075] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1074] <... symlink resumed>) = 0 [pid 1073] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1072] close(9 [pid 309] <... rmdir resumed>) = 0 [pid 1075] chdir("./157" [pid 1074] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1073] <... symlink resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./147", 0777 [pid 1075] <... chdir resumed>) = 0 [pid 1074] <... symlink resumed>) = 0 [pid 1073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1072] close(10 [pid 309] <... mkdir resumed>) = 0 [pid 1075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1074] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1073] <... openat resumed>) = 3 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1075] <... prctl resumed>) = 0 [pid 1074] <... symlink resumed>) = 0 [pid 1073] write(3, "1000", 4 [pid 1072] close(11 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1075] setpgid(0, 0 [pid 1074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1073] <... write resumed>) = 4 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1075] <... setpgid resumed>) = 0 [pid 1074] <... openat resumed>) = 3 [pid 1073] close(3 [pid 1072] close(12ci2-android-5-15/strace-static-x86_64: Process 1076 attached [pid 1075] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1074] write(3, "1000", 4 [pid 1073] <... close resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 149 [pid 1076] set_robust_list(0x55555bb49760, 24 [pid 1075] <... symlink resumed>) = 0 [pid 1074] <... write resumed>) = 4 [pid 1073] symlink("/dev/binderfs", "./binderfs" [pid 1072] close(13 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1076] <... set_robust_list resumed>) = 0 [pid 1075] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1074] close(3 [pid 1073] <... symlink resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1073] write(1, "executing program\n", 18 [pid 1076] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1072] close(14 [pid 1076] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1075] <... symlink resumed>) = 0 [pid 1074] <... close resumed>) = 0 [pid 1073] <... write resumed>) = 18 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] chdir("./147" [pid 1075] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1074] symlink("/dev/binderfs", "./binderfs" [pid 1073] mkdirat(AT_FDCWD, "./config", 0777 [pid 1072] close(15 [pid 1076] <... chdir resumed>) = 0 [pid 1075] <... symlink resumed>) = 0 [pid 1073] <... mkdirat resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1074] <... symlink resumed>) = 0 [pid 1075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1073] mount(NULL, "./config", "configfs", 0, NULL [pid 1072] close(16 [pid 1076] <... prctl resumed>) = 0 [pid 1075] <... openat resumed>) = 3 [pid 1074] write(1, "executing program\n", 18 [pid 1073] <... mount resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1076] setpgid(0, 0 [pid 1075] write(3, "1000", 4 [pid 1074] <... write resumed>) = 18 [pid 1073] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1072] close(17 [pid 1076] <... setpgid resumed>) = 0 [pid 1073] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... write resumed>) = 4 [pid 1076] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1074] mkdirat(AT_FDCWD, "./config", 0777 [pid 1075] close(3 [pid 1073] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1072] close(18 [pid 1076] <... symlink resumed>) = 0 [pid 1075] <... close resumed>) = 0 [pid 1074] <... mkdirat resumed>) = 0 [pid 1073] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1075] symlink("/dev/binderfs", "./binderfs" [pid 1074] mount(NULL, "./config", "configfs", 0, NULL [pid 1073] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1072] close(19 [pid 1076] <... symlink resumed>) = 0 [pid 1075] <... symlink resumed>) = 0 [pid 1074] <... mount resumed>) = 0 [pid 1073] <... mkdirat resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1075] write(1, "executing program\n", 18 [pid 1074] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1073] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" executing program [pid 1072] close(20 [pid 1076] <... symlink resumed>) = 0 [pid 1075] <... write resumed>) = 18 [pid 1074] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1073] <... symlinkat resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1075] mkdirat(AT_FDCWD, "./config", 0777 [pid 1074] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1073] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1072] close(21 [pid 1076] <... openat resumed>) = 3 [pid 1073] <... unlinkat resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] write(3, "1000", 4 [pid 1075] <... mkdirat resumed>) = 0 [pid 1074] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1073] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1072] close(22 [pid 1076] <... write resumed>) = 4 [pid 1075] mount(NULL, "./config", "configfs", 0, NULL [pid 1074] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1073] <... unlinkat resumed>) = 0 [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] close(3 [pid 1072] close(23 [pid 1076] close(3 [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... mount resumed>) = 0 [pid 1073] close(4 [pid 1072] close(24 [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] <... close resumed>) = 0 [pid 1075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1074] <... mkdirat resumed>) = 0 [pid 1073] close(5 [pid 1072] close(25 [pid 1076] symlink("/dev/binderfs", "./binderfs" [pid 1075] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1074] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] <... symlink resumed>) = 0 [pid 1075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1073] close(6 [pid 1072] close(26 [pid 1076] write(1, "executing program\n", 18 [pid 1075] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1074] <... symlinkat resumed>) = 0 [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] <... write resumed>) = 18 [pid 1075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1074] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1073] close(7 [pid 1072] close(27 [pid 1076] mkdirat(AT_FDCWD, "./config", 0777 [pid 1075] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] <... mkdirat resumed>) = 0 [pid 1075] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1074] <... unlinkat resumed>) = 0 [pid 1073] close(8 [pid 1072] close(28 [pid 1076] mount(NULL, "./config", "configfs", 0, NULL [pid 1075] <... symlinkat resumed>) = 0 [pid 1074] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] <... mount resumed>) = 0 [pid 1075] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1074] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1073] close(9 [pid 1072] close(29 [pid 1076] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1075] <... unlinkat resumed>) = 0 [pid 1074] close(3 [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1075] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] close(10 [pid 1072] exit_group(0 [pid 1076] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1072] <... exit_group resumed>) = ? [pid 1076] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1075] <... unlinkat resumed>) = 0 [pid 1074] close(4 [pid 1073] close(11 [pid 1072] +++ exited with 0 +++ [pid 1076] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1075] close(3 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] close(12) = -1 EBADF (Bad file descriptor) [pid 1076] <... mkdirat resumed>) = 0 [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] close(13 [pid 1074] close(5 [pid 1076] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1075] close(4 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1076] <... symlinkat resumed>) = 0 [pid 1073] close(14 [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1075] close(5 [pid 1074] close(6 [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1076] <... unlinkat resumed>) = 0 [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] close(15 [pid 1076] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1075] close(6 [pid 1074] close(7 [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] close(16 [pid 1076] <... unlinkat resumed>) = 0 [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(3 [pid 1075] close(7 [pid 1074] close(8 [pid 1073] close(17 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(4 [pid 1075] close(8 [pid 1074] close(9 [pid 1073] close(18 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(5 [pid 1075] close(9 [pid 1074] close(10 [pid 1073] close(19 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(6 [pid 1075] close(10 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] close(20 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(11 [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(7 [pid 1075] close(11 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] close(21) = -1 EBADF (Bad file descriptor) [pid 1073] close(22 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(12 [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(8 [pid 1075] close(12 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] close(23 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(13 [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(9 [pid 1073] close(24 [pid 1075] close(13 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(14 [pid 1076] close(10 [pid 1073] close(25 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] close(14 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(11 [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(15 [pid 1073] close(26 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] close(15 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(12 [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(16 [pid 1073] close(27 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] close(16 [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(13 [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(17 [pid 1073] close(28 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] close(17 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(14 [pid 1073] close(29 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(18 [pid 1073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(15 [pid 1075] close(18 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] exit_group(0 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(19 [pid 1073] <... exit_group resumed>) = ? [pid 1076] close(16 [pid 1075] close(19 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1073] +++ exited with 0 +++ [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(20 [pid 1076] close(17 [pid 1075] close(20 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(21 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1076] close(18 [pid 1075] close(21 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(22 [pid 1076] close(19 [pid 1075] close(22 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(23 [pid 1076] close(20) = -1 EBADF (Bad file descriptor) [pid 1075] close(23 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(21 [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(24 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] close(24 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(22 [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] close(25 [pid 1076] close(23 [pid 1075] close(25 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(24 [pid 1074] close(26 [pid 1075] close(26 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(25 [pid 1075] close(27 [pid 1074] close(27 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(26 [pid 1075] close(28 [pid 1074] close(28 [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] close(27 [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] close(29 [pid 1074] close(29 [pid 1076] close(28 [pid 1075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1075] exit_group(0 [pid 1074] exit_group(0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1076] close(29 [pid 1075] <... exit_group resumed>) = ? [pid 1074] <... exit_group resumed>) = ? [pid 1076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1075] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1076] exit_group(0 [pid 310] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1074] +++ exited with 0 +++ [pid 310] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1076] <... exit_group resumed>) = ? [pid 312] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./148/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1076] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./148/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] fstat(3 [pid 310] getdents64(4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(3 [pid 310] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 310] rmdir("./148/config" [pid 313] <... restart_syscall resumed>) = 0 [pid 312] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./155/config" [pid 310] newfstatat(AT_FDCWD, "./148/binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./148/binderfs" [pid 313] <... openat resumed>) = 3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 313] fstat(3 [pid 312] openat(AT_FDCWD, "./155/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./148/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(3 [pid 312] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./148/cgroup.net" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 310] unlink("./148/cgroup.net") = 0 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./148/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./148/cgroup.cpu" [pid 313] newfstatat(AT_FDCWD, "./157/config" [pid 312] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 310] unlink("./148/cgroup.cpu" [pid 313] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./155/config" [pid 310] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 310] umount2("./148/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] openat(AT_FDCWD, "./157/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./148/cgroup" [pid 309] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] fstat(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./155/binderfs" [pid 310] unlink("./148/cgroup" [pid 309] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] unlink("./155/binderfs" [pid 310] getdents64(3 [pid 309] fstat(3 [pid 313] getdents64(4 [pid 312] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] umount2("./155/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] getdents64(3 [pid 313] close(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... close resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./155/cgroup.net" [pid 310] rmdir("./148" [pid 309] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] rmdir("./157/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] unlink("./155/cgroup.net" [pid 310] mkdir("./149", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 313] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./155/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./157/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./147/config" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1077 attached [pid 313] unlink("./157/binderfs" [pid 312] newfstatat(AT_FDCWD, "./155/cgroup.cpu" [pid 309] umount2("./147/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1077] set_robust_list(0x55555bb49760, 24 [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 151 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1077] <... set_robust_list resumed>) = 0 [pid 313] umount2("./157/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./155/cgroup.cpu" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./147/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1077] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 1077] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] newfstatat(AT_FDCWD, "./157/cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 1077] chdir("./149" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./155/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1077] <... chdir resumed>) = 0 [pid 313] unlink("./157/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./155/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1077] <... prctl resumed>) = 0 [pid 313] umount2("./157/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1077] setpgid(0, 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./155/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1077] <... setpgid resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./157/cgroup.cpu" [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 1077] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(3 [pid 311] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 313] unlink("./157/cgroup.cpu" [pid 311] fstat(3 [pid 309] rmdir("./147/config" [pid 1077] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 313] umount2("./157/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 309] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1077] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./157/cgroup" [pid 311] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./147/binderfs" [pid 1077] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1077] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] unlink("./157/cgroup" [pid 312] rmdir("./155" [pid 311] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./147/binderfs" [pid 1077] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] getdents64(3 [pid 312] mkdir("./156", 0777 [pid 311] newfstatat(AT_FDCWD, "./150/config" [pid 309] umount2("./147/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1077] <... openat resumed>) = 3 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1077] write(3, "1000", 4 [pid 313] close(3 [pid 312] <... mkdir resumed>) = 0 [pid 311] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./147/cgroup.net" [pid 1077] <... write resumed>) = 4 [pid 313] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1077] close(3 [pid 313] rmdir("./157" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] openat(AT_FDCWD, "./150/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./147/cgroup.net" [pid 1077] <... close resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... openat resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 1077] symlink("/dev/binderfs", "./binderfs" [pid 313] mkdir("./158", 0777 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] fstat(4 [pid 309] umount2("./147/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1077] <... symlink resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./147/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1078 attached [pid 1077] write(1, "executing program\n", 18 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1078] set_robust_list(0x55555bb49760, 24 [pid 1077] <... write resumed>) = 18 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 158 [pid 311] getdents64(4 [pid 309] unlink("./147/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1079 attached [pid 1078] <... set_robust_list resumed>) = 0 [pid 1077] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1079] set_robust_list(0x55555bb49760, 24 [pid 1078] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 160 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1077] <... mkdirat resumed>) = 0 [pid 311] close(4 [pid 309] umount2("./147/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1079] <... set_robust_list resumed>) = 0 [pid 1078] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1077] mount(NULL, "./config", "configfs", 0, NULL [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1079] rt_sigprocmask(SIG_SETMASK, [] [pid 1078] chdir("./156" [pid 1077] <... mount resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rmdir("./150/config" [pid 309] newfstatat(AT_FDCWD, "./147/cgroup" [pid 1079] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1078] <... chdir resumed>) = 0 [pid 1077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1079] chdir("./158" [pid 1078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1077] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./147/cgroup" [pid 1079] <... chdir resumed>) = 0 [pid 1078] <... prctl resumed>) = 0 [pid 1077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1078] setpgid(0, 0 [pid 311] newfstatat(AT_FDCWD, "./150/binderfs" [pid 309] getdents64(3 [pid 1077] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1079] <... prctl resumed>) = 0 [pid 1078] <... setpgid resumed>) = 0 [pid 1077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1079] setpgid(0, 0 [pid 1078] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] unlink("./150/binderfs" [pid 309] close(3 [pid 1079] <... setpgid resumed>) = 0 [pid 1078] <... symlink resumed>) = 0 [pid 1077] <... mkdirat resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1079] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1078] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1077] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] umount2("./150/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./147" [pid 1079] <... symlink resumed>) = 0 [pid 1078] <... symlink resumed>) = 0 [pid 1077] <... symlinkat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1079] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1078] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1077] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] newfstatat(AT_FDCWD, "./150/cgroup.net" [pid 309] mkdir("./148", 0777 [pid 1079] <... symlink resumed>) = 0 [pid 1078] <... symlink resumed>) = 0 [pid 1077] <... unlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1079] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1077] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] unlink("./150/cgroup.net" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1079] <... symlink resumed>) = 0 [pid 1078] <... openat resumed>) = 3 [pid 311] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1078] write(3, "1000", 4 [pid 1077] <... unlinkat resumed>) = 0 [pid 311] umount2("./150/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1079] <... openat resumed>) = 3 [pid 1078] <... write resumed>) = 4 [pid 1077] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1080 attached [pid 1079] write(3, "1000", 4 [pid 1078] close(3 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./150/cgroup.cpu" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 150 [pid 1080] set_robust_list(0x55555bb49760, 24 [pid 1079] <... write resumed>) = 4 [pid 1078] <... close resumed>) = 0 [pid 1077] close(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1080] <... set_robust_list resumed>) = 0 [pid 1079] close(3 [pid 1078] symlink("/dev/binderfs", "./binderfs" [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./150/cgroup.cpu" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1080] rt_sigprocmask(SIG_SETMASK, [] [pid 1079] <... close resumed>) = 0 [pid 1078] <... symlink resumed>) = 0 [pid 1077] close(5 [pid 311] <... unlink resumed>) = 0 [pid 1080] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1079] symlink("/dev/binderfs", "./binderfs" [pid 1078] write(1, "executing program\n", 18 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./150/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1080] chdir("./148" [pid 1078] <... write resumed>) = 18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program executing program [pid 1080] <... chdir resumed>) = 0 [pid 1079] <... symlink resumed>) = 0 [pid 1078] mkdirat(AT_FDCWD, "./config", 0777 [pid 1077] close(6 [pid 311] newfstatat(AT_FDCWD, "./150/cgroup" [pid 1080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1079] write(1, "executing program\n", 18 [pid 1078] <... mkdirat resumed>) = 0 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1080] <... prctl resumed>) = 0 [pid 1079] <... write resumed>) = 18 [pid 1078] mount(NULL, "./config", "configfs", 0, NULL [pid 1077] close(7 [pid 311] unlink("./150/cgroup" [pid 1080] setpgid(0, 0 [pid 1079] mkdirat(AT_FDCWD, "./config", 0777 [pid 1078] <... mount resumed>) = 0 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1080] <... setpgid resumed>) = 0 [pid 1079] <... mkdirat resumed>) = 0 [pid 1078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1077] close(8 [pid 311] getdents64(3 [pid 1080] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1079] mount(NULL, "./config", "configfs", 0, NULL [pid 1078] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1080] <... symlink resumed>) = 0 [pid 1078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] close(3 [pid 1080] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1079] <... mount resumed>) = 0 [pid 1078] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1077] close(9 [pid 311] <... close resumed>) = 0 [pid 1080] <... symlink resumed>) = 0 [pid 1078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] rmdir("./150" [pid 1080] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1079] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1078] <... mkdirat resumed>) = 0 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1080] <... symlink resumed>) = 0 [pid 1079] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1078] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1077] close(10 [pid 311] mkdir("./151", 0777 [pid 1080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1079] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1078] <... symlinkat resumed>) = 0 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 1080] <... openat resumed>) = 3 [pid 1078] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1080] write(3, "1000", 4 [pid 1079] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1078] <... unlinkat resumed>) = 0 [pid 1077] close(11 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1080] <... write resumed>) = 4 [pid 1078] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1081 attached [pid 1080] close(3 [pid 1079] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1078] <... unlinkat resumed>) = 0 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] <... close resumed>) = 0 [pid 1078] close(3 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 153 [pid 1079] <... mkdirat resumed>) = 0 [pid 1081] set_robust_list(0x55555bb49760, 24 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] close(12 [pid 1080] symlink("/dev/binderfs", "./binderfs" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1081] <... set_robust_list resumed>) = 0 [pid 1079] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1078] close(4 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1080] <... symlink resumed>) = 0 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] rt_sigprocmask(SIG_SETMASK, [] [pid 1078] close(5 executing program [pid 1077] close(13 [pid 1081] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1080] write(1, "executing program\n", 18 [pid 1079] <... symlinkat resumed>) = 0 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] chdir("./151" [pid 1080] <... write resumed>) = 18 [pid 1079] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1078] close(6 [pid 1077] close(14 [pid 1081] <... chdir resumed>) = 0 [pid 1080] mkdirat(AT_FDCWD, "./config", 0777 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] <... unlinkat resumed>) = 0 [pid 1078] close(7 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] close(8) = -1 EBADF (Bad file descriptor) [pid 1078] close(9) = -1 EBADF (Bad file descriptor) [pid 1078] close(10) = -1 EBADF (Bad file descriptor) [pid 1078] close(11) = -1 EBADF (Bad file descriptor) [pid 1078] close(12) = -1 EBADF (Bad file descriptor) [pid 1078] close(13 [pid 1080] <... mkdirat resumed>) = 0 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] close(15 [pid 1081] <... prctl resumed>) = 0 [pid 1080] mount(NULL, "./config", "configfs", 0, NULL [pid 1079] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1078] close(14 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] setpgid(0, 0 [pid 1080] <... mount resumed>) = 0 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] close(15 [pid 1079] <... unlinkat resumed>) = 0 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] <... setpgid resumed>) = 0 [pid 1077] close(16 [pid 1080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1081] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1079] close(3 [pid 1078] close(16 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1081] <... symlink resumed>) = 0 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] close(17 [pid 1077] close(17 [pid 1081] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1080] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1079] close(4 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] <... symlink resumed>) = 0 [pid 1080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] close(18 [pid 1077] close(18 [pid 1081] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] close(19) = -1 EBADF (Bad file descriptor) [pid 1080] <... mkdirat resumed>) = 0 [pid 1079] close(5 [pid 1078] close(20 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] <... symlink resumed>) = 0 [pid 1080] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] close(19 [pid 1081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1078] close(21 [pid 1080] <... symlinkat resumed>) = 0 [pid 1079] close(6 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] <... openat resumed>) = 3 [pid 1080] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] close(22 [pid 1077] close(20 [pid 1081] write(3, "1000", 4 [pid 1080] <... unlinkat resumed>) = 0 [pid 1079] close(7 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] <... write resumed>) = 4 [pid 1080] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] close(23 [pid 1077] close(21 [pid 1081] close(3 [pid 1079] close(8 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] <... unlinkat resumed>) = 0 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] close(24 [pid 1077] close(22 [pid 1081] <... close resumed>) = 0 [pid 1080] close(3 [pid 1079] close(9 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] symlink("/dev/binderfs", "./binderfs" [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] close(25 [pid 1077] close(23 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] close(26 [pid 1081] <... symlink resumed>) = 0 [pid 1079] close(10 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] close(4 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] write(1, "executing program\n", 18 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] close(27 [pid 1077] close(24 [pid 1081] <... write resumed>) = 18 executing program [pid 1080] close(5 [pid 1079] close(11 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] mkdirat(AT_FDCWD, "./config", 0777 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] close(28 [pid 1077] close(25 [pid 1081] <... mkdirat resumed>) = 0 [pid 1080] close(6 [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] mount(NULL, "./config", "configfs", 0, NULL [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(12 [pid 1078] close(29 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] <... mount resumed>) = 0 [pid 1080] close(7 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] close(26 [pid 1081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(13 [pid 1078] exit_group(0 [pid 1081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1080] close(8 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1078] <... exit_group resumed>) = ? [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(14 [pid 1078] +++ exited with 0 +++ [pid 1077] close(27 [pid 1081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1080] close(9 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(15 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1081] <... mkdirat resumed>) = 0 [pid 1080] close(10 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1077] close(28 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1081] <... symlinkat resumed>) = 0 [pid 1080] close(11 [pid 1079] close(16 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] close(29 [pid 1081] <... unlinkat resumed>) = 0 [pid 1080] close(12 [pid 1081] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(17 [pid 1077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] <... unlinkat resumed>) = 0 [pid 1080] close(13 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] exit_group(0 [pid 1081] close(3 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(18 [pid 1077] <... exit_group resumed>) = ? [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] close(14 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1077] +++ exited with 0 +++ [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(19 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1081] close(4 [pid 1080] close(15 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(20 [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] close(16 [pid 1081] close(5 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] close(6 [pid 1080] close(17 [pid 1079] close(21 [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] close(7 [pid 1080] close(18 [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(22 [pid 1081] close(8) = -1 EBADF (Bad file descriptor) [pid 1080] close(19 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] close(9 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(23 [pid 1080] close(20 [pid 1081] close(10 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] close(11 [pid 1080] close(21 [pid 1079] close(24 [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] close(12 [pid 1080] close(22 [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(25 [pid 312] <... restart_syscall resumed>) = 0 [pid 1081] close(13 [pid 1080] close(23 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(26 [pid 1080] close(24 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] close(14 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(27 [pid 312] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] close(25 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] close(15 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] close(26 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1081] close(16 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] close(29 [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] close(27 [pid 1079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1081] close(17 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1079] exit_group(0 [pid 312] fstat(3 [pid 1081] close(18 [pid 1080] close(28 [pid 1079] <... exit_group resumed>) = ? [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1079] +++ exited with 0 +++ [pid 1081] close(19 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] getdents64(3 [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] close(29 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1081] close(20 [pid 1080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1080] exit_group(0 [pid 312] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1081] close(21) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1080] <... exit_group resumed>) = ? [pid 1081] close(22 [pid 312] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1080] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./156/config" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1081] close(23 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1081] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1081] close(25 [pid 312] openat(AT_FDCWD, "./156/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1081] close(26 [pid 312] fstat(4 [pid 310] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1081] close(27 [pid 312] getdents64(4 [pid 310] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... openat resumed>) = 3 [pid 1081] close(28 [pid 312] getdents64(4 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 1081] close(29 [pid 312] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 310] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./156/config" [pid 310] <... umount2 resumed>) = 0 [pid 1081] exit_group(0 [pid 310] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1081] <... exit_group resumed>) = ? [pid 312] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./149/config" [pid 309] <... restart_syscall resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./149/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1081] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] fstat(4 [pid 309] <... openat resumed>) = 3 [pid 312] newfstatat(AT_FDCWD, "./156/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] fstat(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] unlink("./156/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(3 [pid 312] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./156/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4) = 0 [pid 312] newfstatat(AT_FDCWD, "./156/cgroup.net" [pid 309] <... umount2 resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./149/config" [pid 309] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./156/cgroup.net" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./148/config" [pid 312] umount2("./156/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./149/binderfs" [pid 309] umount2("./148/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./156/cgroup.cpu" [pid 310] unlink("./149/binderfs" [pid 309] openat(AT_FDCWD, "./148/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 312] unlink("./156/cgroup.cpu" [pid 310] umount2("./149/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./149/cgroup.net" [pid 309] getdents64(4 [pid 312] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] umount2("./156/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./149/cgroup.net" [pid 309] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] newfstatat(AT_FDCWD, "./156/cgroup" [pid 310] umount2("./149/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 312] unlink("./156/cgroup" [pid 310] newfstatat(AT_FDCWD, "./149/cgroup.cpu" [pid 309] rmdir("./148/config" [pid 312] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] unlink("./149/cgroup.cpu" [pid 309] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./149/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./148/binderfs" [pid 313] <... restart_syscall resumed>) = 0 [pid 312] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 311] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./149/cgroup" [pid 309] unlink("./148/binderfs" [pid 312] rmdir("./156" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 311] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./149/cgroup" [pid 309] umount2("./148/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./157", 0777 [pid 311] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... mkdir resumed>) = 0 [pid 311] fstat(3 [pid 310] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./148/cgroup.net" [pid 313] <... openat resumed>) = 3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] fstat(3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(3 [pid 310] close(3 [pid 309] unlink("./148/cgroup.net" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] getdents64(3 [pid 311] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./149" [pid 309] umount2("./148/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1082 attached [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1082] set_robust_list(0x55555bb49760, 24 [pid 313] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 159 [pid 311] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./150", 0777 [pid 309] newfstatat(AT_FDCWD, "./148/cgroup.cpu" [pid 1082] <... set_robust_list resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1082] rt_sigprocmask(SIG_SETMASK, [] [pid 313] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./151/config" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./148/cgroup.cpu" [pid 1082] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1082] chdir("./157" [pid 313] newfstatat(AT_FDCWD, "./158/config" [pid 311] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./148/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1083 attached [pid 1082] <... chdir resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1083] set_robust_list(0x55555bb49760, 24 [pid 1082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./151/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 152 [pid 309] newfstatat(AT_FDCWD, "./148/cgroup" [pid 1083] <... set_robust_list resumed>) = 0 [pid 1082] <... prctl resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1083] rt_sigprocmask(SIG_SETMASK, [] [pid 1082] setpgid(0, 0 [pid 313] openat(AT_FDCWD, "./158/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] fstat(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./148/cgroup" [pid 1083] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1082] <... setpgid resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1083] chdir("./150" [pid 1082] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] fstat(4 [pid 311] getdents64(4 [pid 309] getdents64(3 [pid 1083] <... chdir resumed>) = 0 [pid 1082] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1082] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] getdents64(4 [pid 311] getdents64(4 [pid 309] close(3 [pid 1083] <... prctl resumed>) = 0 [pid 1082] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 1082] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] getdents64(4 [pid 311] close(4 [pid 309] rmdir("./148" [pid 1083] setpgid(0, 0 [pid 1082] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1083] <... setpgid resumed>) = 0 [pid 1082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] close(4 [pid 311] rmdir("./151/config" [pid 309] mkdir("./149", 0777 [pid 1083] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1082] <... openat resumed>) = 3 [pid 313] <... close resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1082] write(3, "1000", 4 [pid 313] rmdir("./158/config" [pid 311] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1083] <... symlink resumed>) = 0 [pid 1082] <... write resumed>) = 4 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1083] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1082] close(3 [pid 313] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./151/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1083] <... symlink resumed>) = 0 [pid 1082] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1084 attached [pid 1083] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1082] symlink("/dev/binderfs", "./binderfs" [pid 313] newfstatat(AT_FDCWD, "./158/binderfs" [pid 311] unlink("./151/binderfs" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 151 [pid 1084] set_robust_list(0x55555bb49760, 24 [pid 1083] <... symlink resumed>) = 0 [pid 1082] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1084] <... set_robust_list resumed>) = 0 [pid 1083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1082] write(1, "executing program\n", 18 [pid 313] unlink("./158/binderfs" [pid 311] umount2("./151/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1084] rt_sigprocmask(SIG_SETMASK, [] [pid 1083] <... openat resumed>) = 3 [pid 1082] <... write resumed>) = 18 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1083] write(3, "1000", 4 [pid 1082] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] umount2("./158/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./151/cgroup.net" [pid 1084] chdir("./149" [pid 1083] <... write resumed>) = 4 [pid 1082] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1084] <... chdir resumed>) = 0 [pid 1083] close(3 [pid 1082] mount(NULL, "./config", "configfs", 0, NULL [pid 313] newfstatat(AT_FDCWD, "./158/cgroup.net" [pid 311] unlink("./151/cgroup.net" [pid 1084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1083] <... close resumed>) = 0 [pid 1082] <... mount resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1084] <... prctl resumed>) = 0 [pid 1083] symlink("/dev/binderfs", "./binderfs" [pid 1082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] unlink("./158/cgroup.net" [pid 311] umount2("./151/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1084] setpgid(0, 0 [pid 1083] <... symlink resumed>) = 0 [pid 1082] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1084] <... setpgid resumed>) = 0 [pid 1082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./158/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./151/cgroup.cpu" [pid 1084] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1083] write(1, "executing program\n", 18 [pid 1082] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] newfstatat(AT_FDCWD, "./158/cgroup.cpu" [pid 311] unlink("./151/cgroup.cpu" [pid 1084] <... symlink resumed>) = 0 [pid 1083] <... write resumed>) = 18 [pid 1082] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1084] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1083] mkdirat(AT_FDCWD, "./config", 0777 [pid 1082] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] unlink("./158/cgroup.cpu" [pid 311] umount2("./151/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1084] <... symlink resumed>) = 0 [pid 1083] <... mkdirat resumed>) = 0 [pid 1082] <... symlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1084] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1083] mount(NULL, "./config", "configfs", 0, NULL [pid 1082] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] umount2("./158/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./151/cgroup" [pid 1084] <... symlink resumed>) = 0 [pid 1083] <... mount resumed>) = 0 [pid 1082] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1082] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] newfstatat(AT_FDCWD, "./158/cgroup" [pid 311] unlink("./151/cgroup" [pid 1084] <... openat resumed>) = 3 [pid 1083] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1082] <... unlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1084] write(3, "1000", 4 [pid 1083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1082] close(3 [pid 313] unlink("./158/cgroup" [pid 311] getdents64(3 [pid 1084] <... write resumed>) = 4 [pid 1083] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1084] close(3 [pid 1083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1082] close(4 [pid 313] getdents64(3 [pid 311] close(3 [pid 1084] <... close resumed>) = 0 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... close resumed>) = 0 [pid 1084] symlink("/dev/binderfs", "./binderfs" [pid 1083] <... mkdirat resumed>) = 0 [pid 1082] close(5 [pid 313] close(3 [pid 311] rmdir("./151" [pid 1084] <... symlink resumed>) = 0 [pid 1083] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1084] write(1, "executing program\n", 18 [pid 1083] <... symlinkat resumed>) = 0 [pid 1082] close(6 [pid 313] rmdir("./158" executing program [pid 311] mkdir("./152", 0777 [pid 1084] <... write resumed>) = 18 [pid 1083] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 1084] mkdirat(AT_FDCWD, "./config", 0777 [pid 1083] <... unlinkat resumed>) = 0 [pid 1082] close(7 [pid 313] mkdir("./159", 0777 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1084] <... mkdirat resumed>) = 0 [pid 1083] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1084] mount(NULL, "./config", "configfs", 0, NULL [pid 1082] close(8 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1085 attached [pid 1084] <... mount resumed>) = 0 [pid 1083] <... unlinkat resumed>) = 0 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1084] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1083] close(3 [pid 1082] close(9 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 154 ci2-android-5-15/strace-static-x86_64: Process 1086 attached [pid 1085] set_robust_list(0x55555bb49760, 24 [pid 1084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1086] set_robust_list(0x55555bb49760, 24 [pid 1085] <... set_robust_list resumed>) = 0 [pid 1084] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1083] close(4 [pid 1082] close(10 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 161 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1086] <... set_robust_list resumed>) = 0 [pid 1085] rt_sigprocmask(SIG_SETMASK, [] [pid 1084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1086] rt_sigprocmask(SIG_SETMASK, [] [pid 1085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1084] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1083] close(5 [pid 1082] close(11 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1086] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1085] chdir("./152" [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] close(12 [pid 1084] <... mkdirat resumed>) = 0 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] chdir("./159" [pid 1085] <... chdir resumed>) = 0 [pid 1084] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1083] close(6 [pid 1082] close(13 [pid 1086] <... chdir resumed>) = 0 [pid 1085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1085] <... prctl resumed>) = 0 [pid 1084] <... symlinkat resumed>) = 0 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] close(14 [pid 1086] <... prctl resumed>) = 0 [pid 1085] setpgid(0, 0 [pid 1084] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1083] close(7 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] setpgid(0, 0 [pid 1085] <... setpgid resumed>) = 0 [pid 1082] close(15 [pid 1086] <... setpgid resumed>) = 0 [pid 1085] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1084] <... unlinkat resumed>) = 0 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1085] <... symlink resumed>) = 0 [pid 1082] close(16 [pid 1083] close(8 [pid 1084] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] <... symlink resumed>) = 0 [pid 1085] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] close(17 [pid 1084] <... unlinkat resumed>) = 0 [pid 1083] close(9 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1085] <... symlink resumed>) = 0 [pid 1084] close(3 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] close(18 [pid 1086] <... symlink resumed>) = 0 [pid 1085] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] close(10 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1085] <... symlink resumed>) = 0 [pid 1084] close(4 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] close(19 [pid 1086] <... symlink resumed>) = 0 [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] close(11 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1082] close(20 [pid 1086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1084] close(5 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... openat resumed>) = 3 [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] close(21 [pid 1086] <... openat resumed>) = 3 [pid 1085] write(3, "1000", 4 [pid 1084] close(6 [pid 1083] close(12 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] write(3, "1000", 4 [pid 1085] <... write resumed>) = 4 [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] close(22 [pid 1086] <... write resumed>) = 4 [pid 1085] close(3 [pid 1084] close(7 [pid 1083] close(13 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] close(3 [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] close(23 [pid 1085] <... close resumed>) = 0 [pid 1086] <... close resumed>) = 0 [pid 1084] close(8 [pid 1085] symlink("/dev/binderfs", "./binderfs" [pid 1083] close(14 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] symlink("/dev/binderfs", "./binderfs" [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] close(24 [pid 1085] <... symlink resumed>) = 0 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] <... symlink resumed>) = 0 [pid 1084] close(9 [pid 1082] close(25 [pid 1083] close(15 [pid 1086] write(1, "executing program\n", 18 [pid 1085] write(1, "executing program\n", 18 [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program executing program [pid 1086] <... write resumed>) = 18 [pid 1085] <... write resumed>) = 18 [pid 1084] close(10 [pid 1083] close(16 [pid 1082] close(26 [pid 1086] mkdirat(AT_FDCWD, "./config", 0777 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] close(27 [pid 1085] mkdirat(AT_FDCWD, "./config", 0777 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] <... mkdirat resumed>) = 0 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] close(28 [pid 1085] <... mkdirat resumed>) = 0 [pid 1086] mount(NULL, "./config", "configfs", 0, NULL [pid 1084] close(11 [pid 1083] close(17 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] <... mount resumed>) = 0 [pid 1085] mount(NULL, "./config", "configfs", 0, NULL [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] close(29 [pid 1086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1085] <... mount resumed>) = 0 [pid 1084] close(12 [pid 1083] close(18 [pid 1082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1085] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] exit_group(0 [pid 1086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1084] close(13 [pid 1083] close(19 [pid 1082] <... exit_group resumed>) = ? [pid 1086] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1085] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1082] +++ exited with 0 +++ [pid 1086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1084] close(14 [pid 1083] close(20 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1086] <... mkdirat resumed>) = 0 [pid 1085] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] close(15 [pid 1086] <... symlinkat resumed>) = 0 [pid 1085] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] close(21 [pid 1085] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1084] close(16 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1086] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] close(22 [pid 1086] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1085] <... unlinkat resumed>) = 0 [pid 1084] close(17 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1086] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1085] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] close(23 [pid 312] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1086] <... unlinkat resumed>) = 0 [pid 1085] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1084] close(18 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1085] close(3 [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] close(24 [pid 312] fstat(3 [pid 1086] close(3 [pid 1085] close(4 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] close(19 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1086] close(4 [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] close(25 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] close(5 [pid 1084] close(20 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1086] close(5 [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] close(26 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] close(6 [pid 1084] close(21 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] close(6 [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] close(27 [pid 312] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] close(7 [pid 1084] close(22 [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] close(7 [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] close(8 [pid 1084] close(23 [pid 1083] close(28 [pid 312] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1086] close(8 [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] close(9 [pid 1084] close(24 [pid 1083] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1086] close(9 [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./157/config" [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] close(10 [pid 1084] close(25 [pid 1083] exit_group(0 [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1086] close(10 [pid 1085] close(11 [pid 1084] close(26 [pid 1083] <... exit_group resumed>) = ? [pid 312] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1083] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1086] close(11 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1085] close(12 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] close(27 [pid 312] openat(AT_FDCWD, "./157/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1086] close(12 [pid 1085] close(13 [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] close(28 [pid 312] fstat(4 [pid 1086] close(13 [pid 1085] close(14 [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] close(14 [pid 1084] close(29 [pid 312] getdents64(4 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] close(15 [pid 1084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1086] close(15 [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] exit_group(0 [pid 312] getdents64(4 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] close(16 [pid 1084] <... exit_group resumed>) = ? [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1086] close(16 [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1084] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1086] close(17 [pid 1085] close(17 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1086] close(18 [pid 1085] close(18 [pid 312] rmdir("./157/config" [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1086] close(19 [pid 1085] close(19 [pid 312] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] close(20 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1085] close(20 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./157/binderfs" [pid 1086] close(21 [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1086] close(22 [pid 1085] close(21 [pid 312] unlink("./157/binderfs" [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1086] close(23 [pid 1085] close(22 [pid 312] umount2("./157/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1086] close(24 [pid 1085] close(23 [pid 312] newfstatat(AT_FDCWD, "./157/cgroup.net" [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1085] close(24 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./157/cgroup.net" [pid 1086] close(26 [pid 1085] close(25 [pid 312] <... unlink resumed>) = 0 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./157/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1086] close(27 [pid 1085] close(26 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1086] close(28 [pid 1085] close(27 [pid 312] newfstatat(AT_FDCWD, "./157/cgroup.cpu" [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] close(29 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1085] close(28 [pid 1086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./157/cgroup.cpu" [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1086] exit_group(0 [pid 312] <... unlink resumed>) = 0 [pid 1086] <... exit_group resumed>) = ? [pid 1085] close(29 [pid 312] umount2("./157/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1086] +++ exited with 0 +++ [pid 1085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1085] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./157/cgroup" [pid 1085] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1085] +++ exited with 0 +++ [pid 312] unlink("./157/cgroup" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... unlink resumed>) = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] close(3) = 0 [pid 312] rmdir("./157") = 0 [pid 312] mkdir("./158", 0777) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1087 attached [pid 1087] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 160 [pid 1087] <... set_robust_list resumed>) = 0 [pid 310] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1087] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1087] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1087] chdir("./158" [pid 310] getdents64(3 [pid 1087] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1087] setpgid(0, 0 [pid 310] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1087] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 310] newfstatat(AT_FDCWD, "./150/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1087] <... symlink resumed>) = 0 [pid 310] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./150/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4 [pid 1087] <... symlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1087] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 310] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 1087] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./150/config" [pid 1087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... restart_syscall resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1087] <... openat resumed>) = 3 [pid 310] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] write(3, "1000", 4 [pid 311] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] <... write resumed>) = 4 [pid 313] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1087] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./150/binderfs" [pid 1087] <... close resumed>) = 0 [pid 313] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... openat resumed>) = 3 [pid 1087] symlink("/dev/binderfs", "./binderfs" [pid 313] <... openat resumed>) = 3 [pid 311] fstat(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1087] <... symlink resumed>) = 0 [pid 313] fstat(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1087] write(1, "executing program\n", 18 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 executing program [pid 311] getdents64(3 [pid 310] unlink("./150/binderfs" [pid 1087] <... write resumed>) = 18 [pid 313] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1087] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 310] umount2("./150/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1087] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./150/cgroup.net" [pid 309] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./152/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] newfstatat(AT_FDCWD, "./159/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./150/cgroup.net" [pid 309] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./150/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 1087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./152/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] openat(AT_FDCWD, "./159/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./150/cgroup.cpu" [pid 309] getdents64(3 [pid 313] <... openat resumed>) = 4 [pid 311] fstat(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1087] <... mkdirat resumed>) = 0 [pid 313] fstat(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] getdents64(4 [pid 310] unlink("./150/cgroup.cpu" [pid 1087] <... symlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = 0 [pid 1087] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] <... unlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1087] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] close(4 [pid 310] umount2("./150/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./149/config" [pid 313] close(4 [pid 311] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1087] <... unlinkat resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 311] rmdir("./152/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./149/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] close(3 [pid 313] rmdir("./159/config" [pid 311] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./150/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./149/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./152/binderfs" [pid 309] fstat(4 [pid 1087] close(4 [pid 313] newfstatat(AT_FDCWD, "./159/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./150/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./152/binderfs" [pid 309] getdents64(4 [pid 1087] close(5 [pid 313] unlink("./159/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./152/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] getdents64(4 [pid 1087] close(6 [pid 313] umount2("./159/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./152/cgroup.net" [pid 310] close(3 [pid 309] close(4 [pid 1087] close(7 [pid 313] newfstatat(AT_FDCWD, "./159/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./152/cgroup.net" [pid 310] rmdir("./150" [pid 309] rmdir("./149/config" [pid 1087] close(8 [pid 313] unlink("./159/cgroup.net" [pid 311] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./152/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./151", 0777 [pid 309] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] close(9 [pid 313] umount2("./159/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./152/cgroup.cpu" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./149/binderfs" [pid 1087] close(10 [pid 313] newfstatat(AT_FDCWD, "./159/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./152/cgroup.cpu" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./149/binderfs" [pid 1087] close(11 [pid 313] unlink("./159/cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./152/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./149/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./159/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./152/cgroup" [pid 309] newfstatat(AT_FDCWD, "./149/cgroup.net" [pid 313] newfstatat(AT_FDCWD, "./159/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1088 attached [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./152/cgroup" [pid 309] unlink("./149/cgroup.net" [pid 1088] set_robust_list(0x55555bb49760, 24 [pid 1087] close(12 [pid 313] unlink("./159/cgroup" [pid 311] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 153 [pid 309] <... unlink resumed>) = 0 [pid 1088] <... set_robust_list resumed>) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 309] umount2("./149/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1088] rt_sigprocmask(SIG_SETMASK, [] [pid 1087] close(13 [pid 313] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1088] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] close(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./149/cgroup.cpu" [pid 1088] chdir("./151" [pid 1087] close(14 [pid 313] close(3 [pid 311] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1088] <... chdir resumed>) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] rmdir("./152" [pid 309] unlink("./149/cgroup.cpu" [pid 1088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1087] close(15 [pid 313] rmdir("./159" [pid 311] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1088] <... prctl resumed>) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] mkdir("./153", 0777 [pid 309] umount2("./149/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1088] setpgid(0, 0 [pid 1087] close(16 [pid 313] mkdir("./160", 0777 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1088] <... setpgid resumed>) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./149/cgroup" [pid 1088] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1087] close(17 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1088] <... symlink resumed>) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./149/cgroup"ci2-android-5-15/strace-static-x86_64: Process 1089 attached [pid 1088] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1087] close(18 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1090 attached [pid 1089] set_robust_list(0x55555bb49760, 24 [pid 1088] <... symlink resumed>) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 155 [pid 309] getdents64(3 [pid 1090] set_robust_list(0x55555bb49760, 24 [pid 1089] <... set_robust_list resumed>) = 0 [pid 1088] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1087] close(19 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 162 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1090] <... set_robust_list resumed>) = 0 [pid 1089] rt_sigprocmask(SIG_SETMASK, [] [pid 1088] <... symlink resumed>) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(3 [pid 1090] rt_sigprocmask(SIG_SETMASK, [] [pid 1089] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1087] close(20 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1090] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1089] chdir("./153" [pid 1088] <... openat resumed>) = 3 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./149" [pid 1090] chdir("./160" [pid 1089] <... chdir resumed>) = 0 [pid 1088] write(3, "1000", 4 [pid 1087] close(21 [pid 309] <... rmdir resumed>) = 0 [pid 1088] <... write resumed>) = 4 [pid 309] mkdir("./150", 0777 [pid 1090] <... chdir resumed>) = 0 [pid 1089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1088] close(3 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1089] <... prctl resumed>) = 0 [pid 1088] <... close resumed>) = 0 [pid 1087] close(22 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1090] <... prctl resumed>) = 0 [pid 1089] setpgid(0, 0 [pid 1088] symlink("/dev/binderfs", "./binderfs" [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1090] setpgid(0, 0 [pid 1089] <... setpgid resumed>) = 0 [pid 1088] <... symlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1091 attached [pid 1090] <... setpgid resumed>) = 0 [pid 1089] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1088] write(1, "executing program\n", 18 [pid 1087] close(23 [pid 1090] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1089] <... symlink resumed>) = 0 [pid 1088] <... write resumed>) = 18 executing program [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 152 [pid 1091] set_robust_list(0x55555bb49760, 24 [pid 1090] <... symlink resumed>) = 0 [pid 1089] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1088] mkdirat(AT_FDCWD, "./config", 0777 [pid 1087] close(24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1091] <... set_robust_list resumed>) = 0 [pid 1090] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1089] <... symlink resumed>) = 0 [pid 1088] <... mkdirat resumed>) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1091] rt_sigprocmask(SIG_SETMASK, [] [pid 1088] mount(NULL, "./config", "configfs", 0, NULL [pid 1090] <... symlink resumed>) = 0 [pid 1091] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1089] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1090] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1088] <... mount resumed>) = 0 [pid 1087] close(25 [pid 1088] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1091] chdir("./150" [pid 1088] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1089] <... symlink resumed>) = 0 [pid 1088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1090] <... symlink resumed>) = 0 [pid 1091] <... chdir resumed>) = 0 [pid 1089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1088] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1089] <... openat resumed>) = 3 [pid 1088] <... mkdirat resumed>) = 0 [pid 1087] close(26 [pid 1091] <... prctl resumed>) = 0 [pid 1088] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1091] setpgid(0, 0 [pid 1090] <... openat resumed>) = 3 [pid 1089] write(3, "1000", 4 [pid 1088] <... symlinkat resumed>) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... setpgid resumed>) = 0 [pid 1090] write(3, "1000", 4 [pid 1088] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1091] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1090] <... write resumed>) = 4 [pid 1089] <... write resumed>) = 4 [pid 1088] <... unlinkat resumed>) = 0 [pid 1087] close(27 [pid 1091] <... symlink resumed>) = 0 [pid 1090] close(3 [pid 1089] close(3 [pid 1088] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1091] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1090] <... close resumed>) = 0 [pid 1089] <... close resumed>) = 0 [pid 1088] <... unlinkat resumed>) = 0 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1088] close(3 [pid 1091] <... symlink resumed>) = 0 [pid 1090] symlink("/dev/binderfs", "./binderfs" [pid 1089] symlink("/dev/binderfs", "./binderfs" [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1090] <... symlink resumed>) = 0 [pid 1088] close(4 [pid 1087] close(28 [pid 1089] <... symlink resumed>) = 0 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... symlink resumed>) = 0 [pid 1090] write(1, "executing program\n", 18 [pid 1089] write(1, "executing program\n", 18 [pid 1088] close(5 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program executing program [pid 1091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1090] <... write resumed>) = 18 [pid 1089] <... write resumed>) = 18 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1087] close(29 [pid 1088] close(6 [pid 1091] <... openat resumed>) = 3 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1088] close(7 [pid 1090] mkdirat(AT_FDCWD, "./config", 0777 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] write(3, "1000", 4 [pid 1089] mkdirat(AT_FDCWD, "./config", 0777 [pid 1088] close(8 [pid 1087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... write resumed>) = 4 [pid 1090] <... mkdirat resumed>) = 0 [pid 1089] <... mkdirat resumed>) = 0 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] mount(NULL, "./config", "configfs", 0, NULL [pid 1089] mount(NULL, "./config", "configfs", 0, NULL [pid 1088] close(9 [pid 1087] exit_group(0 [pid 1091] close(3 [pid 1090] <... mount resumed>) = 0 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... close resumed>) = 0 [pid 1090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1089] <... mount resumed>) = 0 [pid 1088] close(10 [pid 1087] <... exit_group resumed>) = ? [pid 1091] symlink("/dev/binderfs", "./binderfs" [pid 1090] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1088] close(11) = -1 EBADF (Bad file descriptor) [pid 1088] close(12) = -1 EBADF (Bad file descriptor) [pid 1088] close(13) = -1 EBADF (Bad file descriptor) [pid 1088] close(14) = -1 EBADF (Bad file descriptor) [pid 1088] close(15) = -1 EBADF (Bad file descriptor) [pid 1087] +++ exited with 0 +++ [pid 1088] close(16) = -1 EBADF (Bad file descriptor) [pid 1090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1089] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1088] close(17 [pid 1091] <... symlink resumed>) = 0 [pid 1090] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] write(1, "executing program\n", 18 [pid 1090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1089] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1088] close(18 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1091] <... write resumed>) = 18 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1088] close(19) = -1 EBADF (Bad file descriptor) [pid 1090] <... mkdirat resumed>) = 0 [pid 1089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1088] close(20 [pid 1091] mkdirat(AT_FDCWD, "./config", 0777 [pid 1090] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1089] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1091] <... mkdirat resumed>) = 0 [pid 1089] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1088] close(21 [pid 1090] <... symlinkat resumed>) = 0 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1091] mount(NULL, "./config", "configfs", 0, NULL [pid 1090] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1089] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1088] close(22 [pid 1091] <... mount resumed>) = 0 [pid 1089] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1088] close(23 [pid 1090] <... unlinkat resumed>) = 0 [pid 1091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1090] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1089] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1090] <... unlinkat resumed>) = 0 [pid 1089] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1089] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1088] close(24 [pid 1090] close(3 [pid 1091] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] close(3 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1090] close(4 [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1088] close(25 [pid 1089] close(4) = -1 EBADF (Bad file descriptor) [pid 1089] close(5) = -1 EBADF (Bad file descriptor) [pid 1089] close(6 [pid 1091] <... mkdirat resumed>) = 0 [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] close(7 [pid 1088] close(26 [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... symlinkat resumed>) = 0 [pid 1090] close(5 [pid 1089] close(8 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1088] close(27 [pid 1091] <... unlinkat resumed>) = 0 [pid 1090] close(6 [pid 1089] close(9 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] close(10 [pid 1088] close(28 [pid 1091] <... unlinkat resumed>) = 0 [pid 1090] close(7 [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] close(3 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] close(11 [pid 1088] close(29 [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] close(8 [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] close(4 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] close(12 [pid 1088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] close(9 [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] close(5 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] close(13 [pid 1088] exit_group(0 [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] close(10 [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1088] <... exit_group resumed>) = ? [pid 1091] close(6 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] close(14) = -1 EBADF (Bad file descriptor) [pid 1089] close(15) = -1 EBADF (Bad file descriptor) [pid 1089] close(16) = -1 EBADF (Bad file descriptor) [pid 1089] close(17) = -1 EBADF (Bad file descriptor) [pid 1089] close(18) = -1 EBADF (Bad file descriptor) [pid 1089] close(19) = -1 EBADF (Bad file descriptor) [pid 1089] close(20) = -1 EBADF (Bad file descriptor) [pid 1089] close(21 [pid 1088] +++ exited with 0 +++ [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] close(11 [pid 1091] close(7 [pid 1089] close(22 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] close(12 [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] close(23 [pid 1091] close(8 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] close(13 [pid 1091] close(9 [pid 1089] close(24 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] close(14 [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1091] close(10 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] close(25 [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] close(26 [pid 1090] close(15 [pid 1091] close(11 [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] close(27 [pid 1091] close(12 [pid 1090] close(16 [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] close(28 [pid 1091] close(13 [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] close(17 [pid 1089] close(29 [pid 312] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1091] close(14 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] close(18 [pid 1089] exit_group(0 [pid 312] <... openat resumed>) = 3 [pid 1091] close(15 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1089] <... exit_group resumed>) = ? [pid 312] fstat(3 [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] close(19 [pid 1089] +++ exited with 0 +++ [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1091] close(16 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] close(20 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1091] close(17 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] close(21 [pid 312] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1091] close(18 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1090] close(22 [pid 1091] close(19 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1091] close(20 [pid 1090] close(23 [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1091] close(21 [pid 1090] close(24 [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./158/config" [pid 1091] close(22 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1091] close(23 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1090] close(26 [pid 1091] close(24 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1091] close(25 [pid 1090] close(27 [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./158/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1091] close(26 [pid 1090] close(28 [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1091] close(27 [pid 1090] close(29 [pid 312] fstat(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1091] close(28 [pid 1090] exit_group(0 [pid 312] getdents64(4 [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1090] <... exit_group resumed>) = ? [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1091] close(29 [pid 1090] +++ exited with 0 +++ [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] getdents64(4 [pid 1091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1091] exit_group(0 [pid 312] close(4 [pid 1091] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 1091] +++ exited with 0 +++ [pid 312] rmdir("./158/config" [pid 310] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 312] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./158/binderfs" [pid 310] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] unlink("./158/binderfs" [pid 310] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 312] umount2("./158/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./158/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./151/config" [pid 312] unlink("./158/cgroup.net" [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./158/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./151/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./158/cgroup.cpu" [pid 311] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 4 [pid 313] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 313] fstat(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] fstat(4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] unlink("./158/cgroup.cpu" [pid 311] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 313] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./158/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 313] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./158/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./153/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] newfstatat(AT_FDCWD, "./160/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./158/cgroup" [pid 310] close(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 313] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 311] openat(AT_FDCWD, "./153/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 313] openat(AT_FDCWD, "./160/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] rmdir("./151/config" [pid 309] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... openat resumed>) = 4 [pid 312] close(3 [pid 311] fstat(4 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] fstat(4 [pid 312] <... close resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] rmdir("./158" [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 313] getdents64(4 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./151/binderfs" [pid 309] fstat(3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] mkdir("./159", 0777 [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] getdents64(4 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] unlink("./151/binderfs" [pid 309] getdents64(3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] close(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] close(4 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... close resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] rmdir("./153/config" [pid 310] umount2("./151/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 313] rmdir("./160/config" [pid 311] <... rmdir resumed>) = 0 [pid 309] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./150/config"ci2-android-5-15/strace-static-x86_64: Process 1092 attached [pid 313] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./153/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1092] set_robust_list(0x55555bb49760, 24 [pid 313] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 161 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./151/cgroup.net" [pid 309] umount2("./150/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1092] <... set_robust_list resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] unlink("./153/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1092] rt_sigprocmask(SIG_SETMASK, [] [pid 313] newfstatat(AT_FDCWD, "./160/binderfs" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./151/cgroup.net" [pid 309] openat(AT_FDCWD, "./150/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./153/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 1092] chdir("./159" [pid 313] unlink("./160/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 1092] <... chdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./153/cgroup.net" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./151/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1092] <... prctl resumed>) = 0 [pid 313] umount2("./160/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./153/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1092] setpgid(0, 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1092] <... setpgid resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./160/cgroup.net" [pid 311] umount2("./153/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1092] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./151/cgroup.cpu" [pid 309] close(4 [pid 1092] <... symlink resumed>) = 0 [pid 313] unlink("./160/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./153/cgroup.cpu" [pid 309] <... close resumed>) = 0 [pid 1092] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./150/config" [pid 1092] <... symlink resumed>) = 0 [pid 313] umount2("./160/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./153/cgroup.cpu" [pid 310] unlink("./151/cgroup.cpu" [pid 309] <... rmdir resumed>) = 0 [pid 1092] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1092] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./160/cgroup.cpu" [pid 311] umount2("./153/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./151/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./150/binderfs" [pid 1092] <... openat resumed>) = 3 [pid 313] unlink("./160/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./153/cgroup" [pid 310] newfstatat(AT_FDCWD, "./151/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1092] write(3, "1000", 4 [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./150/binderfs" [pid 1092] <... write resumed>) = 4 [pid 313] umount2("./160/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./153/cgroup" [pid 310] unlink("./151/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1092] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./150/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1092] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./160/cgroup" [pid 311] getdents64(3 [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1092] symlink("/dev/binderfs", "./binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./150/cgroup.net" [pid 1092] <... symlink resumed>) = 0 [pid 313] unlink("./160/cgroup" [pid 311] close(3 [pid 310] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1092] write(1, "executing program\n", 18 [pid 313] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 executing program [pid 309] unlink("./150/cgroup.net" [pid 1092] <... write resumed>) = 18 [pid 313] getdents64(3 [pid 311] rmdir("./153" [pid 310] rmdir("./151" [pid 309] <... unlink resumed>) = 0 [pid 1092] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./150/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1092] <... mkdirat resumed>) = 0 [pid 313] close(3 [pid 311] mkdir("./154", 0777 [pid 310] mkdir("./152", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1092] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... close resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./150/cgroup.cpu" [pid 1092] <... mount resumed>) = 0 [pid 313] rmdir("./160" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1092] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./150/cgroup.cpu" [pid 1092] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] mkdir("./161", 0777 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1093 attached [pid 1092] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... mkdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./150/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1093] set_robust_list(0x55555bb49760, 24 [pid 1092] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 156 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1092] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./150/cgroup"ci2-android-5-15/strace-static-x86_64: Process 1094 attached [pid 1093] <... set_robust_list resumed>) = 0 [pid 1092] <... mkdirat resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1094] set_robust_list(0x55555bb49760, 24 [pid 1092] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] unlink("./150/cgroup" [pid 1094] <... set_robust_list resumed>) = 0 [pid 1093] rt_sigprocmask(SIG_SETMASK, [] [pid 1092] <... symlinkat resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 154 [pid 309] <... unlink resumed>) = 0 [pid 1094] rt_sigprocmask(SIG_SETMASK, [] [pid 1093] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1092] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(3 [pid 1094] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1092] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1095 attached [pid 1094] chdir("./152" [pid 1092] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(3 [pid 1093] chdir("./154" [pid 1095] set_robust_list(0x55555bb49760, 24 [pid 1094] <... chdir resumed>) = 0 [pid 1092] <... unlinkat resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 163 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1093] <... chdir resumed>) = 0 [pid 1095] <... set_robust_list resumed>) = 0 [pid 1094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1092] close(3 [pid 309] rmdir("./150" [pid 1095] rt_sigprocmask(SIG_SETMASK, [] [pid 1094] <... prctl resumed>) = 0 [pid 1093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 1095] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1094] setpgid(0, 0 [pid 1093] <... prctl resumed>) = 0 [pid 1092] close(4 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./151", 0777 [pid 1095] chdir("./161" [pid 1094] <... setpgid resumed>) = 0 [pid 1093] setpgid(0, 0 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1095] <... chdir resumed>) = 0 [pid 1094] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1093] <... setpgid resumed>) = 0 [pid 1092] close(5 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1094] <... symlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1095] <... prctl resumed>) = 0 [pid 1094] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1093] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1095] setpgid(0, 0 [pid 1094] <... symlink resumed>) = 0 [pid 1093] <... symlink resumed>) = 0 [pid 1092] close(6ci2-android-5-15/strace-static-x86_64: Process 1096 attached [pid 1095] <... setpgid resumed>) = 0 [pid 1094] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1093] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 153 [pid 1096] set_robust_list(0x55555bb49760, 24 [pid 1095] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1094] <... symlink resumed>) = 0 [pid 1093] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1096] <... set_robust_list resumed>) = 0 [pid 1095] <... symlink resumed>) = 0 [pid 1094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1093] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1092] close(7 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1096] rt_sigprocmask(SIG_SETMASK, [] [pid 1095] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1094] <... openat resumed>) = 3 [pid 1096] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1095] <... symlink resumed>) = 0 [pid 1094] write(3, "1000", 4 [pid 1093] <... symlink resumed>) = 0 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] chdir("./151" [pid 1095] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1094] <... write resumed>) = 4 [pid 1096] <... chdir resumed>) = 0 [pid 1095] <... symlink resumed>) = 0 [pid 1094] close(3 [pid 1093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1092] close(8 [pid 1096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1094] <... close resumed>) = 0 [pid 1096] <... prctl resumed>) = 0 [pid 1095] <... openat resumed>) = 3 [pid 1094] symlink("/dev/binderfs", "./binderfs" [pid 1093] <... openat resumed>) = 3 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] setpgid(0, 0 [pid 1095] write(3, "1000", 4 [pid 1094] <... symlink resumed>) = 0 [pid 1096] <... setpgid resumed>) = 0 [pid 1095] <... write resumed>) = 4 [pid 1094] write(1, "executing program\n", 18 [pid 1093] write(3, "1000", 4 [pid 1092] close(9 [pid 1096] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1095] close(3 [pid 1094] <... write resumed>) = 18 executing program [pid 1093] <... write resumed>) = 4 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... symlink resumed>) = 0 [pid 1095] <... close resumed>) = 0 [pid 1094] mkdirat(AT_FDCWD, "./config", 0777 [pid 1093] close(3 [pid 1092] close(10 [pid 1096] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1095] symlink("/dev/binderfs", "./binderfs" [pid 1094] <... mkdirat resumed>) = 0 [pid 1093] <... close resumed>) = 0 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... symlink resumed>) = 0 [pid 1095] <... symlink resumed>) = 0 [pid 1094] mount(NULL, "./config", "configfs", 0, NULL [pid 1093] symlink("/dev/binderfs", "./binderfs" [pid 1092] close(11 [pid 1096] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1095] write(1, "executing program\n", 18 [pid 1094] <... mount resumed>) = 0 [pid 1095] <... write resumed>) = 18 executing program [pid 1094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1096] <... symlink resumed>) = 0 [pid 1095] mkdirat(AT_FDCWD, "./config", 0777 [pid 1094] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1093] <... symlink resumed>) = 0 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1095] <... mkdirat resumed>) = 0 [pid 1094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1093] write(1, "executing program\n", 18 [pid 1092] close(12 executing program [pid 1095] mount(NULL, "./config", "configfs", 0, NULL [pid 1094] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1096] <... openat resumed>) = 3 [pid 1095] <... mount resumed>) = 0 [pid 1094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1093] <... write resumed>) = 18 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] write(3, "1000", 4 [pid 1095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1094] <... mkdirat resumed>) = 0 [pid 1096] <... write resumed>) = 4 [pid 1095] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1094] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1093] mkdirat(AT_FDCWD, "./config", 0777 [pid 1092] close(13 [pid 1096] close(3 [pid 1095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1094] <... symlinkat resumed>) = 0 [pid 1096] <... close resumed>) = 0 [pid 1095] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1094] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1093] <... mkdirat resumed>) = 0 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] symlink("/dev/binderfs", "./binderfs" [pid 1095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1094] <... unlinkat resumed>) = 0 [pid 1093] mount(NULL, "./config", "configfs", 0, NULL [pid 1092] close(14 [pid 1095] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1094] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1096] <... symlink resumed>) = 0 [pid 1095] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1094] <... unlinkat resumed>) = 0 [pid 1093] <... mount resumed>) = 0 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] write(1, "executing program\n", 18 [pid 1095] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1094] close(3 [pid 1093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 1092] close(15 [pid 1096] <... write resumed>) = 18 [pid 1095] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] mkdirat(AT_FDCWD, "./config", 0777 [pid 1095] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1094] close(4 [pid 1093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1092] close(16 [pid 1096] <... mkdirat resumed>) = 0 [pid 1095] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] mount(NULL, "./config", "configfs", 0, NULL [pid 1095] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1094] close(5 [pid 1093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1092] close(17 [pid 1095] close(3 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(6 [pid 1095] close(4 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(7 [pid 1093] <... mkdirat resumed>) = 0 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... mount resumed>) = 0 [pid 1095] close(5 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1096] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(8 [pid 1092] close(18 [pid 1095] close(6 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(9 [pid 1093] <... symlinkat resumed>) = 0 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1095] close(7 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1092] close(19 [pid 1096] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(10 [pid 1096] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1095] close(8 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... unlinkat resumed>) = 0 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(11 [pid 1093] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1092] close(20 [pid 1096] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1095] close(9 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(12 [pid 1093] <... unlinkat resumed>) = 0 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1095] close(10 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] close(3 [pid 1092] close(21 [pid 1096] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(13 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1095] close(11 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] close(4 [pid 1092] close(22 [pid 1096] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(14 [pid 1095] close(12 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(15 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(3 [pid 1095] close(13 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] close(5 [pid 1092] close(23 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(16 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(4 [pid 1095] close(14 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] close(6 [pid 1092] close(24 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(17 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(5 [pid 1095] close(15 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] close(7 [pid 1092] close(25 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(18 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(6 [pid 1095] close(16 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] close(8 [pid 1092] close(26 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(19 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(7 [pid 1095] close(17 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] close(9 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(20 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1092] close(27 [pid 1096] close(8 [pid 1095] close(18 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] close(10 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(21 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1092] close(28 [pid 1096] close(9 [pid 1095] close(19 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(22 [pid 1093] close(11 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(10 [pid 1095] close(20 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1092] close(29 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(23 [pid 1096] close(11 [pid 1095] close(21 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] close(12 [pid 1092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(24 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] close(22 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(12 [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(25 [pid 1093] close(13 [pid 1092] exit_group(0 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] close(23 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(26 [pid 1092] <... exit_group resumed>) = ? [pid 1096] close(13 [pid 1095] close(24 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] close(14 [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(27 [pid 1095] close(25 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(28 [pid 1095] close(26 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] close(29 [pid 1095] close(27 [pid 1094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] exit_group(0 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1092] +++ exited with 0 +++ [pid 1096] close(14 [pid 1095] close(28 [pid 1094] <... exit_group resumed>) = ? [pid 1093] close(15 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1094] +++ exited with 0 +++ [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1095] close(29 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1096] close(15 [pid 1095] exit_group(0 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1095] <... exit_group resumed>) = ? [pid 1096] close(16 [pid 1095] +++ exited with 0 +++ [pid 1093] close(16 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(17 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1096] close(18 [pid 1093] close(17 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(19 [pid 1093] close(18 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(20 [pid 1093] close(19 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(21 [pid 1093] close(20 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(22 [pid 1093] close(21 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(23 [pid 1093] close(22 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(24 [pid 1093] close(23 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(25 [pid 1093] close(24 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(26 [pid 1093] close(25 [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] close(27) = -1 EBADF (Bad file descriptor) [pid 1093] close(26 [pid 1096] close(28 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] close(27 [pid 1096] close(29 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1093] close(28 [pid 1096] exit_group(0 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1096] <... exit_group resumed>) = ? [pid 1093] close(29 [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3 [pid 1096] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1093] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1093] <... exit_group resumed>) = ? [pid 310] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1093] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./152/config" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... openat resumed>) = 3 [pid 312] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] fstat(3 [pid 312] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./152/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] fstat(3 [pid 310] <... openat resumed>) = 4 [pid 313] getdents64(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] fstat(4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] getdents64(4 [pid 313] <... umount2 resumed>) = 0 [pid 312] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... restart_syscall resumed>) = 0 [pid 313] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = 0 [pid 310] getdents64(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] newfstatat(AT_FDCWD, "./161/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 309] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./159/config" [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./152/config" [pid 309] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 313] openat(AT_FDCWD, "./161/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 313] <... openat resumed>) = 4 [pid 312] openat(AT_FDCWD, "./159/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] fstat(4 [pid 312] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./152/binderfs" [pid 309] getdents64(3 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] getdents64(4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] unlink("./152/binderfs" [pid 309] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 313] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./152/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] close(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./152/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./151/config" [pid 313] <... close resumed>) = 0 [pid 312] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] rmdir("./161/config" [pid 312] <... close resumed>) = 0 [pid 310] unlink("./152/cgroup.net" [pid 309] umount2("./151/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rmdir resumed>) = 0 [pid 312] rmdir("./159/config" [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 310] umount2("./152/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./151/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 313] newfstatat(AT_FDCWD, "./161/binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./152/cgroup.cpu" [pid 309] fstat(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./159/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] unlink("./161/binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./152/cgroup.cpu" [pid 309] getdents64(4 [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./159/binderfs" [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] umount2("./161/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./152/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./159/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] newfstatat(AT_FDCWD, "./161/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./152/cgroup" [pid 309] close(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./159/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 313] unlink("./161/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./152/cgroup" [pid 309] rmdir("./151/config" [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./159/cgroup.net" [pid 311] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 313] umount2("./161/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] fstat(3 [pid 310] getdents64(3 [pid 309] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./159/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./161/cgroup.cpu" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 309] newfstatat(AT_FDCWD, "./151/binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./159/cgroup.cpu" [pid 311] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./161/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] rmdir("./152" [pid 309] unlink("./151/binderfs" [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./159/cgroup.cpu" [pid 311] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] umount2("./161/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] mkdir("./153", 0777 [pid 309] umount2("./151/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./159/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./161/cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./151/cgroup.net" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./159/cgroup" [pid 311] newfstatat(AT_FDCWD, "./154/config" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./161/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./151/cgroup.net" [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./159/cgroup" [pid 311] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1097 attached [pid 313] getdents64(3 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 155 [pid 309] umount2("./151/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1097] set_robust_list(0x55555bb49760, 24 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] getdents64(3 [pid 311] openat(AT_FDCWD, "./154/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1097] <... set_robust_list resumed>) = 0 [pid 313] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./151/cgroup.cpu" [pid 1097] rt_sigprocmask(SIG_SETMASK, [] [pid 312] close(3 [pid 311] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1097] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... close resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 311] fstat(4 [pid 309] unlink("./151/cgroup.cpu" [pid 1097] chdir("./153" [pid 313] rmdir("./161" [pid 312] rmdir("./159" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1097] <... chdir resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] getdents64(4 [pid 309] umount2("./151/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] mkdir("./162", 0777 [pid 312] mkdir("./160", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1097] <... prctl resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./151/cgroup" [pid 1097] setpgid(0, 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1097] <... setpgid resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] close(4 [pid 309] unlink("./151/cgroup" [pid 1097] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1099 attached ci2-android-5-15/strace-static-x86_64: Process 1098 attached [pid 1097] <... symlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 1099] set_robust_list(0x55555bb49760, 24 [pid 1098] set_robust_list(0x55555bb49760, 24 [pid 1097] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 164 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 162 [pid 311] rmdir("./154/config" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1099] <... set_robust_list resumed>) = 0 [pid 1098] <... set_robust_list resumed>) = 0 [pid 1097] <... symlink resumed>) = 0 [pid 309] close(3 [pid 1099] rt_sigprocmask(SIG_SETMASK, [] [pid 1098] rt_sigprocmask(SIG_SETMASK, [] [pid 1097] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1099] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1098] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./151" [pid 1099] chdir("./162" [pid 1098] chdir("./160" [pid 1097] <... symlink resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1099] <... chdir resumed>) = 0 [pid 1098] <... chdir resumed>) = 0 [pid 1097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./152", 0777 [pid 1099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1097] <... openat resumed>) = 3 [pid 311] newfstatat(AT_FDCWD, "./154/binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 1099] <... prctl resumed>) = 0 [pid 1098] <... prctl resumed>) = 0 [pid 1097] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1099] setpgid(0, 0 [pid 1098] setpgid(0, 0 [pid 1097] <... write resumed>) = 4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1099] <... setpgid resumed>) = 0 [pid 1098] <... setpgid resumed>) = 0 [pid 1097] close(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1099] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1098] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1097] <... close resumed>) = 0 [pid 311] unlink("./154/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1100 attached [pid 1099] <... symlink resumed>) = 0 [pid 1098] <... symlink resumed>) = 0 [pid 1097] symlink("/dev/binderfs", "./binderfs" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 154 [pid 1100] set_robust_list(0x55555bb49760, 24 [pid 1099] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1098] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1100] <... set_robust_list resumed>) = 0 [pid 1099] <... symlink resumed>) = 0 [pid 1098] <... symlink resumed>) = 0 [pid 1097] <... symlink resumed>) = 0 [pid 311] umount2("./154/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1100] rt_sigprocmask(SIG_SETMASK, [] [pid 1099] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1098] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1097] write(1, "executing program\n", 18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1100] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1099] <... symlink resumed>) = 0 [pid 1098] <... symlink resumed>) = 0 executing program [pid 1100] chdir("./152" [pid 1099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1097] <... write resumed>) = 18 [pid 311] newfstatat(AT_FDCWD, "./154/cgroup.net" [pid 1100] <... chdir resumed>) = 0 [pid 1099] <... openat resumed>) = 3 [pid 1098] <... openat resumed>) = 3 [pid 1100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1099] write(3, "1000", 4 [pid 1098] write(3, "1000", 4 [pid 1097] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1100] <... prctl resumed>) = 0 [pid 1099] <... write resumed>) = 4 [pid 1098] <... write resumed>) = 4 [pid 1099] close(3 [pid 1098] close(3 [pid 1097] <... mkdirat resumed>) = 0 [pid 1100] setpgid(0, 0 [pid 1099] <... close resumed>) = 0 [pid 1098] <... close resumed>) = 0 [pid 1097] mount(NULL, "./config", "configfs", 0, NULL [pid 311] unlink("./154/cgroup.net" [pid 1100] <... setpgid resumed>) = 0 [pid 1099] symlink("/dev/binderfs", "./binderfs" [pid 1098] symlink("/dev/binderfs", "./binderfs" [pid 1100] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1099] <... symlink resumed>) = 0 [pid 1098] <... symlink resumed>) = 0 [pid 1097] <... mount resumed>) = 0 [pid 311] <... unlink resumed>) = 0 executing program executing program [pid 1100] <... symlink resumed>) = 0 [pid 1099] write(1, "executing program\n", 18 [pid 1098] write(1, "executing program\n", 18 [pid 1097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] umount2("./154/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1100] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1099] <... write resumed>) = 18 [pid 1098] <... write resumed>) = 18 [pid 1097] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1100] <... symlink resumed>) = 0 [pid 1099] mkdirat(AT_FDCWD, "./config", 0777 [pid 1098] mkdirat(AT_FDCWD, "./config", 0777 [pid 1097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1100] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1099] <... mkdirat resumed>) = 0 [pid 1098] <... mkdirat resumed>) = 0 [pid 1099] mount(NULL, "./config", "configfs", 0, NULL [pid 1098] mount(NULL, "./config", "configfs", 0, NULL [pid 1097] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] newfstatat(AT_FDCWD, "./154/cgroup.cpu" [pid 1100] <... symlink resumed>) = 0 [pid 1099] <... mount resumed>) = 0 [pid 1098] <... mount resumed>) = 0 [pid 1097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1099] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1099] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1098] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1097] <... mkdirat resumed>) = 0 [pid 1100] <... openat resumed>) = 3 [pid 1099] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1097] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] unlink("./154/cgroup.cpu" [pid 1100] write(3, "1000", 4 [pid 1099] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1098] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1099] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1100] <... write resumed>) = 4 [pid 1099] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1098] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1097] <... symlinkat resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1100] close(3 [pid 1099] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1098] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1097] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] umount2("./154/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1100] <... close resumed>) = 0 [pid 1099] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1098] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1100] symlink("/dev/binderfs", "./binderfs" [pid 1099] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1098] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1097] <... unlinkat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1100] <... symlink resumed>) = 0 [pid 1099] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1098] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1097] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] newfstatat(AT_FDCWD, "./154/cgroup" [pid 1100] write(1, "executing program\n", 18 [pid 1099] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1098] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1100] <... write resumed>) = 18 [pid 1099] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1098] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 1097] <... unlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1100] mkdirat(AT_FDCWD, "./config", 0777 [pid 1099] close(3 [pid 1098] close(3 [pid 1097] close(3 [pid 311] unlink("./154/cgroup" [pid 1100] <... mkdirat resumed>) = 0 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1100] mount(NULL, "./config", "configfs", 0, NULL [pid 1099] close(4 [pid 1098] close(4 [pid 1097] close(4 [pid 311] <... unlink resumed>) = 0 [pid 1100] <... mount resumed>) = 0 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1099] close(5 [pid 1098] close(5 [pid 311] getdents64(3 [pid 1100] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(5 [pid 1100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1099] close(6 [pid 1098] close(6 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1100] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(6 [pid 311] close(3 [pid 1100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1099] close(7 [pid 1098] close(7 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1099] close(8 [pid 1098] close(8 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1100] <... mkdirat resumed>) = 0 [pid 1099] close(9 [pid 1098] close(9 [pid 1097] close(7 [pid 311] rmdir("./154" [pid 1100] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(10 [pid 1098] close(10 [pid 311] <... rmdir resumed>) = 0 [pid 1100] <... symlinkat resumed>) = 0 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(8 [pid 311] mkdir("./155", 0777 [pid 1100] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1099] close(11 [pid 1098] close(11 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(12 [pid 1098] close(12 [pid 311] <... mkdir resumed>) = 0 [pid 1100] <... unlinkat resumed>) = 0 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(9 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1100] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1099] close(13 [pid 1098] close(13 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1100] <... unlinkat resumed>) = 0 [pid 1099] close(14 [pid 1098] close(14 [pid 1097] close(10 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1100] close(3 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(15 [pid 1098] close(15 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(16 [pid 1098] close(16ci2-android-5-15/strace-static-x86_64: Process 1101 attached [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] set_robust_list(0x55555bb49760, 24 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(17 [pid 1098] close(17 [pid 1097] close(11 [pid 1101] <... set_robust_list resumed>) = 0 [pid 1100] close(4 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 157 [pid 1101] rt_sigprocmask(SIG_SETMASK, [] [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(18 [pid 1098] close(18 [pid 1097] close(12 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1101] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1100] close(5 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1101] chdir("./155" [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(19 [pid 1098] close(19 [pid 1097] close(13 [pid 1101] <... chdir resumed>) = 0 [pid 1100] close(6 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(20 [pid 1098] close(20 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] <... prctl resumed>) = 0 [pid 1100] close(7 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(14 [pid 1101] setpgid(0, 0 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(21 [pid 1098] close(21 [pid 1101] <... setpgid resumed>) = 0 [pid 1100] close(8 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(22 [pid 1098] close(22 [pid 1097] close(15 [pid 1101] <... symlink resumed>) = 0 [pid 1100] close(9 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(23 [pid 1098] close(23 [pid 1101] <... symlink resumed>) = 0 [pid 1100] close(10 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(16 [pid 1101] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(24 [pid 1098] close(24 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] <... symlink resumed>) = 0 [pid 1100] close(11 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(17 [pid 1101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(25 [pid 1098] close(25 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] <... openat resumed>) = 3 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1100] close(12 [pid 1101] write(3, "1000", 4 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] close(26 [pid 1098] close(26 [pid 1097] close(18 [pid 1101] <... write resumed>) = 4 [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] close(3 [pid 1100] close(13 [pid 1099] close(27 [pid 1098] close(27 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] <... close resumed>) = 0 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] symlink("/dev/binderfs", "./binderfs" [pid 1100] close(14 [pid 1099] close(28 [pid 1098] close(28 [pid 1097] close(19 [pid 1101] <... symlink resumed>) = 0 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] write(1, "executing program\n", 18 [pid 1100] close(15 [pid 1099] close(29 [pid 1098] close(29 [pid 1097] close(20 [pid 1101] <... write resumed>) = 18 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] mkdirat(AT_FDCWD, "./config", 0777 [pid 1100] close(16 [pid 1099] exit_group(0 [pid 1098] exit_group(0 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] <... exit_group resumed>) = ? [pid 1098] <... exit_group resumed>) = ? [pid 1101] <... mkdirat resumed>) = 0 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1099] +++ exited with 0 +++ [pid 1097] close(21 [pid 1101] mount(NULL, "./config", "configfs", 0, NULL [pid 1100] close(17 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1101] <... mount resumed>) = 0 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1098] +++ exited with 0 +++ [pid 1097] close(22 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1100] close(18 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1101] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(23 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1100] close(19 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(24 [pid 1101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1100] close(20 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(25 [pid 1101] <... mkdirat resumed>) = 0 [pid 1100] close(21 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(26 [pid 1100] close(22 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] <... symlinkat resumed>) = 0 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(27 [pid 1101] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1100] close(23 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] <... unlinkat resumed>) = 0 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(28 [pid 1101] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1100] close(24 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] close(29 [pid 1101] <... unlinkat resumed>) = 0 [pid 1100] close(25 [pid 1097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1101] close(3 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] exit_group(0 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1100] close(26 [pid 1097] <... exit_group resumed>) = ? [pid 1101] close(4 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1097] +++ exited with 0 +++ [pid 313] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1100] close(27 [pid 1101] close(5 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1100] close(28 [pid 313] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1101] close(6 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1100] close(29 [pid 313] fstat(3 [pid 312] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1101] close(7 [pid 1100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1100] exit_group(0 [pid 312] <... openat resumed>) = 3 [pid 1101] close(8 [pid 1100] <... exit_group resumed>) = ? [pid 313] getdents64(3 [pid 312] fstat(3 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1100] +++ exited with 0 +++ [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1101] close(9 [pid 313] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1101] close(10 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1101] close(11 [pid 309] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1101] close(12 [pid 312] <... umount2 resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./162/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1101] close(13 [pid 313] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1101] close(14 [pid 309] <... openat resumed>) = 3 [pid 313] openat(AT_FDCWD, "./162/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./160/config" [pid 309] fstat(3 [pid 1101] close(15 [pid 313] <... openat resumed>) = 4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1101] close(16 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] getdents64(3 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1101] close(17 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] openat(AT_FDCWD, "./160/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... openat resumed>) = 4 [pid 1101] close(18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 312] fstat(4 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 309] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1101] close(19 [pid 313] <... close resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./162/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1101] close(20 [pid 312] getdents64(4 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1101] close(21 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./152/config" [pid 313] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1101] close(22 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./162/binderfs" [pid 312] close(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./152/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1101] close(23 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./162/binderfs" [pid 312] rmdir("./160/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1101] close(24 [pid 313] <... unlink resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1101] close(25 [pid 313] umount2("./162/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./152/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1101] close(26 [pid 313] newfstatat(AT_FDCWD, "./162/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./160/binderfs" [pid 309] <... openat resumed>) = 4 [pid 310] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1101] close(27 [pid 313] unlink("./162/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] fstat(4 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./160/binderfs" [pid 310] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1101] close(28 [pid 313] umount2("./162/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] getdents64(4 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./160/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1101] close(29 [pid 313] newfstatat(AT_FDCWD, "./162/cgroup.cpu" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./160/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] getdents64(4 [pid 1101] exit_group(0 [pid 313] unlink("./162/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1101] <... exit_group resumed>) = ? [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./160/cgroup.net" [pid 310] <... umount2 resumed>) = 0 [pid 309] close(4 [pid 1101] +++ exited with 0 +++ [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./162/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./160/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./152/config" [pid 313] newfstatat(AT_FDCWD, "./162/cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./153/config" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./160/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 313] unlink("./162/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./160/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./153/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./152/binderfs" [pid 313] close(3 [pid 312] umount2("./160/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 313] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] rmdir("./162" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 309] unlink("./152/binderfs" [pid 313] <... rmdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./160/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] mkdir("./163", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 313] <... mkdir resumed>) = 0 [pid 312] unlink("./160/cgroup" [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./152/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1102 attached [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 309] newfstatat(AT_FDCWD, "./152/cgroup.net" [pid 1102] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 165 [pid 312] close(3 [pid 310] <... close resumed>) = 0 [pid 1102] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1102] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... close resumed>) = 0 [pid 310] rmdir("./153/config" [pid 309] unlink("./152/cgroup.net" [pid 1102] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rmdir("./160" [pid 1102] chdir("./163" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1102] <... chdir resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 310] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./152/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] mkdir("./161", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1102] <... prctl resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... mkdir resumed>) = 0 [pid 1102] setpgid(0, 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./153/binderfs" [pid 309] newfstatat(AT_FDCWD, "./152/cgroup.cpu" [pid 1102] <... setpgid resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1102] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./153/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1102] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1102] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 311] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1103 attached [pid 1102] <... symlink resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 1102] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 163 [pid 1103] set_robust_list(0x55555bb49760, 24 [pid 311] fstat(3 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./152/cgroup.cpu" [pid 1103] <... set_robust_list resumed>) = 0 [pid 1102] <... symlink resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./153/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1103] rt_sigprocmask(SIG_SETMASK, [] [pid 1102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 1103] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1102] <... openat resumed>) = 3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1103] chdir("./161" [pid 1102] write(3, "1000", 4 [pid 311] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./153/cgroup.net" [pid 309] umount2("./152/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1103] <... chdir resumed>) = 0 [pid 1102] <... write resumed>) = 4 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1102] close(3 [pid 311] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1103] <... prctl resumed>) = 0 [pid 1102] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./153/cgroup.net" [pid 1102] symlink("/dev/binderfs", "./binderfs" [pid 311] newfstatat(AT_FDCWD, "./155/config" [pid 1103] setpgid(0, 0 [pid 1102] <... symlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./152/cgroup" [pid 1103] <... setpgid resumed>) = 0 [pid 1102] write(1, "executing program\n", 18 [pid 311] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 310] umount2("./153/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1103] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1102] <... write resumed>) = 18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1103] <... symlink resumed>) = 0 [pid 1102] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] openat(AT_FDCWD, "./155/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./152/cgroup" [pid 1103] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1102] <... mkdirat resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./153/cgroup.cpu" [pid 1103] <... symlink resumed>) = 0 [pid 1102] mount(NULL, "./config", "configfs", 0, NULL [pid 311] fstat(4 [pid 309] <... unlink resumed>) = 0 [pid 1103] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1102] <... mount resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1103] <... symlink resumed>) = 0 [pid 1102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] getdents64(4 [pid 310] unlink("./153/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1102] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... unlink resumed>) = 0 [pid 309] close(3 [pid 1103] <... openat resumed>) = 3 [pid 1102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] getdents64(4 [pid 310] umount2("./153/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1103] write(3, "1000", 4 [pid 1102] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 1103] <... write resumed>) = 4 [pid 1102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./152" [pid 1103] close(3 [pid 1102] <... mkdirat resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./153/cgroup" [pid 1103] <... close resumed>) = 0 [pid 1102] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] rmdir("./155/config" [pid 309] <... rmdir resumed>) = 0 [pid 1103] symlink("/dev/binderfs", "./binderfs" [pid 1102] <... symlinkat resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./153", 0777 [pid 1103] <... symlink resumed>) = 0 [pid 1102] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./153/cgroup" [pid 1103] write(1, "executing program\n", 18 [pid 1102] <... unlinkat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] <... mkdir resumed>) = 0 [pid 1103] <... write resumed>) = 18 [pid 1102] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] newfstatat(AT_FDCWD, "./155/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1103] mkdirat(AT_FDCWD, "./config", 0777 [pid 1102] <... unlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1103] <... mkdirat resumed>) = 0 [pid 1102] close(3 [pid 311] unlink("./155/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1103] mount(NULL, "./config", "configfs", 0, NULL [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] close(3 [pid 1102] close(4 [pid 311] umount2("./155/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1102] close(5 [pid 311] newfstatat(AT_FDCWD, "./155/cgroup.net" [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1104 attached [pid 1103] <... mount resumed>) = 0 [pid 1102] close(6 [pid 311] unlink("./155/cgroup.net" [pid 310] <... close resumed>) = 0 [pid 1104] set_robust_list(0x55555bb49760, 24 [pid 1103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./153" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 155 [pid 1104] <... set_robust_list resumed>) = 0 [pid 1103] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1102] close(7 [pid 311] umount2("./155/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1104] rt_sigprocmask(SIG_SETMASK, [] [pid 1103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1104] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1103] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1102] close(8 [pid 311] newfstatat(AT_FDCWD, "./155/cgroup.cpu" [pid 310] mkdir("./154", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1104] chdir("./153" [pid 1103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1104] <... chdir resumed>) = 0 [pid 1103] <... mkdirat resumed>) = 0 [pid 1102] close(9 [pid 311] unlink("./155/cgroup.cpu" [pid 310] <... mkdir resumed>) = 0 [pid 1104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1103] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1104] <... prctl resumed>) = 0 [pid 1103] <... symlinkat resumed>) = 0 [pid 1102] close(10 [pid 311] umount2("./155/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1104] setpgid(0, 0 [pid 1103] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1104] <... setpgid resumed>) = 0 [pid 1103] <... unlinkat resumed>) = 0 [pid 1102] close(11 [pid 311] newfstatat(AT_FDCWD, "./155/cgroup" [pid 1104] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1104] <... symlink resumed>) = 0 [pid 1102] close(12 [pid 311] unlink("./155/cgroup" [pid 1104] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1105 attached [pid 1104] <... symlink resumed>) = 0 [pid 1103] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1102] close(13 [pid 311] getdents64(3 [pid 1105] set_robust_list(0x55555bb49760, 24 [pid 1104] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1103] <... unlinkat resumed>) = 0 [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 156 [pid 1105] <... set_robust_list resumed>) = 0 [pid 1104] <... symlink resumed>) = 0 [pid 1103] close(3 [pid 1102] close(14 [pid 311] close(3 [pid 1105] rt_sigprocmask(SIG_SETMASK, [] [pid 1104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1105] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1104] <... openat resumed>) = 3 [pid 1103] close(4 [pid 1102] close(15 [pid 311] rmdir("./155" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1105] chdir("./154" [pid 1104] write(3, "1000", 4 [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1105] <... chdir resumed>) = 0 [pid 1104] <... write resumed>) = 4 [pid 1103] close(5 [pid 1102] close(16 [pid 311] mkdir("./156", 0777 [pid 1105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1104] close(3 [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 1105] <... prctl resumed>) = 0 [pid 1104] <... close resumed>) = 0 [pid 1103] close(6 [pid 1102] close(17 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1105] setpgid(0, 0 [pid 1104] symlink("/dev/binderfs", "./binderfs" [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1105] <... setpgid resumed>) = 0 [pid 1104] <... symlink resumed>) = 0 [pid 1103] close(7 [pid 1102] close(18 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1105] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1104] write(1, "executing program\n", 18 [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1106 attached [pid 1105] <... symlink resumed>) = 0 [pid 1104] <... write resumed>) = 18 [pid 1103] close(8 [pid 1102] close(19 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 158 executing program [pid 1106] set_robust_list(0x55555bb49760, 24 [pid 1105] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1104] mkdirat(AT_FDCWD, "./config", 0777 [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1106] <... set_robust_list resumed>) = 0 [pid 1105] <... symlink resumed>) = 0 [pid 1104] <... mkdirat resumed>) = 0 [pid 1103] close(9 [pid 1102] close(20 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1106] rt_sigprocmask(SIG_SETMASK, [] [pid 1105] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1105] <... symlink resumed>) = 0 [pid 1104] mount(NULL, "./config", "configfs", 0, NULL [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] close(21 [pid 1106] chdir("./156" [pid 1105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1104] <... mount resumed>) = 0 [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... chdir resumed>) = 0 [pid 1105] <... openat resumed>) = 3 [pid 1104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1103] close(10 [pid 1102] close(22 [pid 1106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1105] write(3, "1000", 4 [pid 1104] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... prctl resumed>) = 0 [pid 1105] <... write resumed>) = 4 [pid 1104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1103] close(11 [pid 1102] close(23 [pid 1106] setpgid(0, 0 [pid 1105] close(3 [pid 1104] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... setpgid resumed>) = 0 [pid 1105] <... close resumed>) = 0 [pid 1104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1103] close(12 [pid 1102] close(24 [pid 1106] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1105] symlink("/dev/binderfs", "./binderfs" [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... symlink resumed>) = 0 [pid 1105] <... symlink resumed>) = 0 [pid 1104] <... mkdirat resumed>) = 0 [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] close(25 [pid 1106] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1105] write(1, "executing program\n", 18 [pid 1104] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1103] close(13 [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... symlink resumed>) = 0 [pid 1105] <... write resumed>) = 18 executing program [pid 1104] <... symlinkat resumed>) = 0 [pid 1102] close(26 [pid 1106] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1105] mkdirat(AT_FDCWD, "./config", 0777 [pid 1104] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... symlink resumed>) = 0 [pid 1105] <... mkdirat resumed>) = 0 [pid 1102] close(27 [pid 1104] <... unlinkat resumed>) = 0 [pid 1106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1105] mount(NULL, "./config", "configfs", 0, NULL [pid 1104] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1103] close(14 [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... openat resumed>) = 3 [pid 1105] <... mount resumed>) = 0 [pid 1104] <... unlinkat resumed>) = 0 [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] close(28 [pid 1106] write(3, "1000", 4 [pid 1105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1104] close(3 [pid 1103] close(15 [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... write resumed>) = 4 [pid 1105] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] close(29 [pid 1106] close(3 [pid 1105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1104] close(4 [pid 1103] close(16 [pid 1102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... close resumed>) = 0 [pid 1105] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] exit_group(0 [pid 1106] symlink("/dev/binderfs", "./binderfs" [pid 1105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1104] close(5 [pid 1103] close(17 [pid 1102] <... exit_group resumed>) = ? [pid 1106] <... symlink resumed>) = 0 [pid 1105] <... mkdirat resumed>) = 0 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1102] +++ exited with 0 +++ [pid 1106] write(1, "executing program\n", 18 executing program [pid 1105] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1104] close(6 [pid 1106] <... write resumed>) = 18 [pid 1105] <... symlinkat resumed>) = 0 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] close(18 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1106] mkdirat(AT_FDCWD, "./config", 0777 [pid 1105] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1104] close(7 [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1106] <... mkdirat resumed>) = 0 [pid 1105] <... unlinkat resumed>) = 0 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] close(19 [pid 1106] mount(NULL, "./config", "configfs", 0, NULL [pid 1105] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1104] close(8 [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... mount resumed>) = 0 [pid 1105] <... unlinkat resumed>) = 0 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] close(20 [pid 1106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1105] close(3 [pid 1104] close(9 [pid 1106] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1105] close(4 [pid 1104] close(10 [pid 1103] close(21 [pid 1106] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1105] close(5 [pid 1104] close(11 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] close(22 [pid 1105] close(6 [pid 1106] <... mkdirat resumed>) = 0 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1105] close(7 [pid 1104] close(12 [pid 1103] close(23 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... symlinkat resumed>) = 0 [pid 1105] close(8 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(13 [pid 1103] close(24 [pid 1106] <... unlinkat resumed>) = 0 [pid 1105] close(9 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(14 [pid 1103] close(25 [pid 1105] close(10) = -1 EBADF (Bad file descriptor) [pid 1106] <... unlinkat resumed>) = 0 [pid 1105] close(11 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] close(3 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(15 [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] close(12 [pid 1103] close(26 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] close(4 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(16 [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] close(13 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] close(27 [pid 1106] close(5 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(17 [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] close(14 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] close(28 [pid 1106] close(6 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(18 [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] close(15 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1103] close(29 [pid 1106] close(7 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(19 [pid 1103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] close(16 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] close(8 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(20 [pid 1103] exit_group(0 [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] close(17 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] close(9 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(21 [pid 1103] <... exit_group resumed>) = ? [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] close(18 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] close(19) = -1 EBADF (Bad file descriptor) [pid 1105] close(20) = -1 EBADF (Bad file descriptor) [pid 1105] close(21) = -1 EBADF (Bad file descriptor) [pid 1105] close(22) = -1 EBADF (Bad file descriptor) [pid 1105] close(23) = -1 EBADF (Bad file descriptor) [pid 1103] +++ exited with 0 +++ [pid 1105] close(24 [pid 1106] close(10 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(22 [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] close(25 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1106] close(11 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(23 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] close(26 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] close(12 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(24 [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] close(27 [pid 1106] close(13 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] close(28 [pid 1106] close(14 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(25 [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] close(29 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] close(15 [pid 1105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(26 [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1105] exit_group(0 [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] close(16 [pid 1105] <... exit_group resumed>) = ? [pid 313] <... restart_syscall resumed>) = 0 [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] close(27 [pid 1105] +++ exited with 0 +++ [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] close(17) = -1 EBADF (Bad file descriptor) [pid 1106] close(18 [pid 1104] close(28 [pid 313] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1106] close(19 [pid 1104] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1106] close(20 [pid 1104] exit_group(0 [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1104] <... exit_group resumed>) = ? [pid 313] <... openat resumed>) = 3 [pid 1106] close(21 [pid 1104] +++ exited with 0 +++ [pid 313] fstat(3 [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1106] close(22 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1106] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1106] close(24) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1106] close(25 [pid 313] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1106] close(26 [pid 313] newfstatat(AT_FDCWD, "./163/config" [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1106] close(27 [pid 313] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1106] close(28 [pid 313] openat(AT_FDCWD, "./163/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... restart_syscall resumed>) = 0 [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1106] close(29 [pid 313] fstat(4 [pid 1106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1106] exit_group(0 [pid 313] getdents64(4 [pid 312] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1106] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1106] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 313] getdents64(4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... openat resumed>) = 3 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] close(4 [pid 312] fstat(3 [pid 310] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... close resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(3 [pid 313] rmdir("./163/config" [pid 312] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./163/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./154/config" [pid 313] unlink("./163/binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./161/config" [pid 310] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./163/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./154/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] newfstatat(AT_FDCWD, "./163/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] openat(AT_FDCWD, "./161/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 313] unlink("./163/cgroup.net" [pid 312] <... openat resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] fstat(4 [pid 310] getdents64(4 [pid 313] umount2("./163/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(4 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] getdents64(4 [pid 313] newfstatat(AT_FDCWD, "./163/cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(4 [pid 310] close(4 [pid 313] unlink("./163/cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 312] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 313] umount2("./163/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 311] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./154/config" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./161/config" [pid 311] <... openat resumed>) = 3 [pid 313] newfstatat(AT_FDCWD, "./163/cgroup" [pid 311] fstat(3 [pid 310] <... rmdir resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] unlink("./163/cgroup" [pid 312] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./161/binderfs" [pid 311] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./154/binderfs" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 313] close(3 [pid 312] unlink("./161/binderfs" [pid 311] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... close resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./156/config" [pid 313] rmdir("./163" [pid 312] umount2("./161/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./154/binderfs" [pid 313] <... rmdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] mkdir("./164", 0777 [pid 312] newfstatat(AT_FDCWD, "./161/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 311] openat(AT_FDCWD, "./156/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./154/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] unlink("./161/cgroup.net" [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./154/cgroup.net" [pid 311] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] close(4) = 0 [pid 311] rmdir("./156/config"ci2-android-5-15/strace-static-x86_64: Process 1107 attached [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 166 [pid 312] umount2("./161/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1107] set_robust_list(0x55555bb49760, 24 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./154/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1107] <... set_robust_list resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./161/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1107] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./156/binderfs" [pid 1107] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] unlink("./161/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./154/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 1107] chdir("./164" [pid 312] <... unlink resumed>) = 0 [pid 311] unlink("./156/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1107] <... chdir resumed>) = 0 [pid 312] umount2("./161/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./154/cgroup.cpu" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./156/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1107] <... prctl resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./161/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./154/cgroup.cpu" [pid 309] getdents64(3 [pid 1107] setpgid(0, 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./156/cgroup.net" [pid 1107] <... setpgid resumed>) = 0 [pid 312] unlink("./161/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1107] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] <... unlink resumed>) = 0 [pid 311] unlink("./156/cgroup.net" [pid 310] umount2("./154/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1107] <... symlink resumed>) = 0 [pid 312] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1107] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] umount2("./156/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./154/cgroup" [pid 309] <... umount2 resumed>) = 0 [pid 1107] <... symlink resumed>) = 0 [pid 312] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1107] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./156/cgroup.cpu" [pid 310] unlink("./154/cgroup" [pid 309] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1107] <... symlink resumed>) = 0 [pid 312] rmdir("./161" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... rmdir resumed>) = 0 [pid 311] unlink("./156/cgroup.cpu" [pid 310] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./153/config" [pid 1107] <... openat resumed>) = 3 [pid 312] mkdir("./162", 0777 [pid 311] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1107] write(3, "1000", 4 [pid 312] <... mkdir resumed>) = 0 [pid 311] umount2("./156/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1107] <... write resumed>) = 4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] umount2("./153/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1107] close(3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./156/cgroup" [pid 310] rmdir("./154" [pid 1107] <... close resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1107] symlink("/dev/binderfs", "./binderfs" [pid 311] unlink("./156/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 311] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1108 attached [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 164 [pid 311] close(3 [pid 309] openat(AT_FDCWD, "./153/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1107] <... symlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./155", 0777 [pid 1108] set_robust_list(0x55555bb49760, 24 [pid 311] rmdir("./156") = 0 [pid 311] mkdir("./157", 0777) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... openat resumed>) = 4 [pid 1107] write(1, "executing program\n", 18 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... mkdir resumed>) = 0 executing program [pid 309] fstat(4 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1108] <... set_robust_list resumed>) = 0 [pid 1107] <... write resumed>) = 18 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1109 attached [pid 1108] rt_sigprocmask(SIG_SETMASK, [] [pid 1107] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1109] set_robust_list(0x55555bb49760, 24 [pid 1108] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 159 [pid 1107] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 1109] <... set_robust_list resumed>) = 0 [pid 1108] chdir("./162" [pid 1107] mount(NULL, "./config", "configfs", 0, NULL [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1109] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1107] <... mount resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1110 attached [pid 1109] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1108] <... chdir resumed>) = 0 [pid 1107] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(4 [pid 1110] set_robust_list(0x55555bb49760, 24) = 0 [pid 1110] rt_sigprocmask(SIG_SETMASK, [] [pid 1107] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1110] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1109] chdir("./157" [pid 1108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1107] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 157 [pid 309] close(4 [pid 1110] chdir("./155" [pid 1109] <... chdir resumed>) = 0 [pid 1108] <... prctl resumed>) = 0 [pid 1107] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1110] <... chdir resumed>) = 0 [pid 1109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1108] setpgid(0, 0 [pid 1107] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1109] <... prctl resumed>) = 0 [pid 1108] <... setpgid resumed>) = 0 [pid 1110] <... prctl resumed>) = 0 [pid 1110] setpgid(0, 0 [pid 1107] <... mkdirat resumed>) = 0 [pid 309] rmdir("./153/config" [pid 1110] <... setpgid resumed>) = 0 [pid 1109] setpgid(0, 0 [pid 1108] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1107] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1110] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1109] <... setpgid resumed>) = 0 [pid 1108] <... symlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1110] <... symlink resumed>) = 0 [pid 1107] <... symlinkat resumed>) = 0 [pid 1110] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1109] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1108] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 309] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1107] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1110] <... symlink resumed>) = 0 [pid 1109] <... symlink resumed>) = 0 [pid 1108] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1110] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1109] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1108] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1107] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./153/binderfs" [pid 1110] <... symlink resumed>) = 0 [pid 1109] <... symlink resumed>) = 0 [pid 1110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1108] <... symlink resumed>) = 0 [pid 1107] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1109] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1110] <... openat resumed>) = 3 [pid 1108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1110] write(3, "1000", 4 [pid 1107] <... unlinkat resumed>) = 0 [pid 1110] <... write resumed>) = 4 [pid 1109] <... symlink resumed>) = 0 [pid 309] unlink("./153/binderfs" [pid 1110] close(3 [pid 1109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1108] <... openat resumed>) = 3 [pid 1107] close(3 [pid 1110] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1110] symlink("/dev/binderfs", "./binderfs" [pid 1109] <... openat resumed>) = 3 [pid 1110] <... symlink resumed>) = 0 [pid 1108] write(3, "1000", 4 [pid 1109] write(3, "1000", 4 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./153/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1110] write(1, "executing program\n", 18 [pid 1109] <... write resumed>) = 4 [pid 1108] <... write resumed>) = 4 [pid 1110] <... write resumed>) = 18 executing program [pid 1110] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1109] close(3 [pid 1108] close(3 [pid 1107] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1110] mount(NULL, "./config", "configfs", 0, NULL [pid 1109] <... close resumed>) = 0 [pid 1108] <... close resumed>) = 0 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./153/cgroup.net" [pid 1110] <... mount resumed>) = 0 [pid 1109] symlink("/dev/binderfs", "./binderfs" [pid 1108] symlink("/dev/binderfs", "./binderfs" [pid 1107] close(5 [pid 1110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1110] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1109] <... symlink resumed>) = 0 [pid 1108] <... symlink resumed>) = 0 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./153/cgroup.net" [pid 1110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1109] write(1, "executing program\n", 18 [pid 1108] write(1, "executing program\n", 18 [pid 1107] close(6 executing program executing program [pid 1110] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1109] <... write resumed>) = 18 [pid 1108] <... write resumed>) = 18 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1109] mkdirat(AT_FDCWD, "./config", 0777 [pid 1108] mkdirat(AT_FDCWD, "./config", 0777 [pid 1110] <... mkdirat resumed>) = 0 [pid 1107] close(7 [pid 309] umount2("./153/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1110] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1109] <... mkdirat resumed>) = 0 [pid 1108] <... mkdirat resumed>) = 0 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1110] <... symlinkat resumed>) = 0 [pid 1109] mount(NULL, "./config", "configfs", 0, NULL [pid 1108] mount(NULL, "./config", "configfs", 0, NULL [pid 1107] close(8 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1110] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1109] <... mount resumed>) = 0 [pid 1110] <... unlinkat resumed>) = 0 [pid 1108] <... mount resumed>) = 0 [pid 1109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./153/cgroup.cpu" [pid 1110] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1109] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1108] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1107] close(9 [pid 1110] <... unlinkat resumed>) = 0 [pid 1109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1110] close(3 [pid 1109] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1108] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./153/cgroup.cpu" [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1108] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1107] close(10 [pid 1110] close(4 [pid 309] <... unlink resumed>) = 0 [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... mkdirat resumed>) = 0 [pid 1108] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1110] close(5 [pid 1109] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1108] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./153/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(11 [pid 1110] close(6 [pid 1109] <... symlinkat resumed>) = 0 [pid 1108] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1108] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1107] close(12 [pid 309] newfstatat(AT_FDCWD, "./153/cgroup" [pid 1110] close(7 [pid 1109] <... unlinkat resumed>) = 0 [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] <... symlinkat resumed>) = 0 [pid 1110] close(8 [pid 1109] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1108] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1107] close(13 [pid 1110] close(9 [pid 1109] close(3 [pid 1108] <... unlinkat resumed>) = 0 [pid 309] unlink("./153/cgroup" [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1110] close(10 [pid 1109] close(4 [pid 1108] <... unlinkat resumed>) = 0 [pid 1107] close(14 [pid 309] <... unlink resumed>) = 0 [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(3 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1110] close(11 [pid 1109] close(5 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(15 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(4 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1110] close(12 [pid 1109] close(6 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(16 [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(5 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1110] close(13 [pid 1109] close(7 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(17 [pid 309] rmdir("./153" [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(6 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1110] close(14 [pid 1109] close(8 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(18 [pid 309] <... rmdir resumed>) = 0 [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(7 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./154", 0777 [pid 1110] close(15 [pid 1109] close(9 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(19 [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(8 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1110] close(16 [pid 1109] close(10 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(20 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(9 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1110] close(17 [pid 1109] close(11 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(21 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(10 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1110] close(18) = -1 EBADF (Bad file descriptor) [pid 1110] close(19) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1111 attached [pid 1110] close(20 [pid 1109] close(12 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(22 [pid 1111] set_robust_list(0x55555bb49760, 24 [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(11 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 156 [pid 1111] <... set_robust_list resumed>) = 0 [pid 1110] close(21 [pid 1109] close(13 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(23 [pid 1111] rt_sigprocmask(SIG_SETMASK, [] [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(12 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1111] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1110] close(22 [pid 1109] close(14 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(24 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1111] chdir("./154" [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(13 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] <... chdir resumed>) = 0 [pid 1110] close(23 [pid 1109] close(15 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(25 [pid 1111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(14 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] <... prctl resumed>) = 0 [pid 1110] close(24 [pid 1109] close(16 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(26 [pid 1111] setpgid(0, 0 [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(15 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] <... setpgid resumed>) = 0 [pid 1110] close(25 [pid 1109] close(17 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(27 [pid 1111] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(16 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] <... symlink resumed>) = 0 [pid 1110] close(26 [pid 1109] close(18 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] close(28 [pid 1111] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(17 [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] <... symlink resumed>) = 0 [pid 1110] close(27 [pid 1109] close(19 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(18 [pid 1107] close(29 [pid 1111] <... symlink resumed>) = 0 [pid 1110] close(28 [pid 1109] close(20 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(19 [pid 1111] <... openat resumed>) = 3 [pid 1110] close(29 [pid 1109] close(21 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1107] exit_group(0 [pid 1111] write(3, "1000", 4 [pid 1110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(20 [pid 1107] <... exit_group resumed>) = ? [pid 1111] <... write resumed>) = 4 [pid 1110] exit_group(0 [pid 1109] close(22 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] close(3 [pid 1110] <... exit_group resumed>) = ? [pid 1111] <... close resumed>) = 0 [pid 1110] +++ exited with 0 +++ [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] close(21 [pid 1107] +++ exited with 0 +++ [pid 1111] symlink("/dev/binderfs", "./binderfs" [pid 1109] close(23 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1111] <... symlink resumed>) = 0 [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] write(1, "executing program\n", 18 [pid 1109] close(24 [pid 1108] close(22 executing program [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1111] <... write resumed>) = 18 [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] mkdirat(AT_FDCWD, "./config", 0777 [pid 1109] close(25 [pid 1108] close(23 [pid 1111] <... mkdirat resumed>) = 0 [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] mount(NULL, "./config", "configfs", 0, NULL [pid 1109] close(26 [pid 1108] close(24 [pid 1111] <... mount resumed>) = 0 [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1109] close(27 [pid 1108] close(25 [pid 1111] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1109] close(28 [pid 1108] close(26 [pid 1111] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1109] close(29 [pid 1108] close(27 [pid 1111] <... mkdirat resumed>) = 0 [pid 1109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1109] exit_group(0 [pid 1108] close(28 [pid 1111] <... symlinkat resumed>) = 0 [pid 1109] <... exit_group resumed>) = ? [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1111] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1109] +++ exited with 0 +++ [pid 1108] close(29 [pid 310] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1111] <... unlinkat resumed>) = 0 [pid 1108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... openat resumed>) = 3 [pid 1111] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1108] exit_group(0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1111] <... unlinkat resumed>) = 0 [pid 1108] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 1111] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 1111] close(4 [pid 1108] +++ exited with 0 +++ [pid 310] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1111] close(5 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] newfstatat(AT_FDCWD, "./155/config" [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1111] close(6 [pid 310] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1111] close(7 [pid 310] openat(AT_FDCWD, "./155/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1111] close(8 [pid 310] fstat(4 [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1111] close(9 [pid 310] getdents64(4 [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1111] close(10 [pid 310] getdents64(4 [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1111] close(11 [pid 310] close(4 [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1111] close(12 [pid 310] rmdir("./155/config" [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1111] close(13 [pid 313] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1111] close(14 [pid 313] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./155/binderfs" [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1111] close(15 [pid 313] fstat(3 [pid 310] unlink("./155/binderfs" [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1111] close(16 [pid 313] getdents64(3 [pid 310] umount2("./155/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1111] close(17 [pid 313] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./155/cgroup.net" [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1111] close(18 [pid 313] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./155/cgroup.net" [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1111] close(19 [pid 313] newfstatat(AT_FDCWD, "./164/config" [pid 310] umount2("./155/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1111] close(20 [pid 313] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./155/cgroup.cpu" [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1111] close(21 [pid 313] openat(AT_FDCWD, "./164/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./155/cgroup.cpu" [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 310] <... unlink resumed>) = 0 [pid 1111] close(22 [pid 313] fstat(4 [pid 310] umount2("./155/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1111] close(23 [pid 313] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./155/cgroup" [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1111] close(24 [pid 313] getdents64(4 [pid 312] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./155/cgroup" [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1111] close(25 [pid 313] close(4 [pid 312] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1111] close(26 [pid 313] rmdir("./164/config" [pid 312] fstat(3 [pid 310] close(3 [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 1111] close(27 [pid 313] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 311] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./155" [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 1111] close(28 [pid 313] newfstatat(AT_FDCWD, "./164/binderfs" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./156", 0777 [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 1111] close(29 [pid 313] unlink("./164/binderfs" [pid 312] <... umount2 resumed>) = 0 [pid 311] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1111] exit_group(0 [pid 313] umount2("./164/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1111] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./162/config" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 ci2-android-5-15/strace-static-x86_64: Process 1112 attached [pid 311] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 158 [pid 1112] set_robust_list(0x55555bb49760, 24 [pid 313] newfstatat(AT_FDCWD, "./164/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1111] +++ exited with 0 +++ [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1112] <... set_robust_list resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./157/config" [pid 1112] rt_sigprocmask(SIG_SETMASK, [] [pid 313] unlink("./164/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1112] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] openat(AT_FDCWD, "./162/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1112] chdir("./156" [pid 313] umount2("./164/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... openat resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1112] <... chdir resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] fstat(4 [pid 311] openat(AT_FDCWD, "./157/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] newfstatat(AT_FDCWD, "./164/cgroup.cpu" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... openat resumed>) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 1112] <... prctl resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(4 [pid 311] fstat(4 [pid 1112] setpgid(0, 0 [pid 313] unlink("./164/cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1112] <... setpgid resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(4 [pid 311] getdents64(4 [pid 1112] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] umount2("./164/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1112] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(4 [pid 311] getdents64(4 [pid 309] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1112] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] newfstatat(AT_FDCWD, "./164/cgroup" [pid 312] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1112] <... symlink resumed>) = 0 [pid 311] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1112] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 312] rmdir("./162/config" [pid 311] <... close resumed>) = 0 [pid 313] unlink("./164/cgroup" [pid 309] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1112] <... symlink resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] rmdir("./157/config" [pid 1112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1112] <... openat resumed>) = 3 [pid 313] getdents64(3 [pid 311] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 1112] write(3, "1000", 4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1112] <... write resumed>) = 4 [pid 313] close(3 [pid 312] newfstatat(AT_FDCWD, "./162/binderfs" [pid 311] newfstatat(AT_FDCWD, "./157/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1112] close(3 [pid 313] <... close resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1112] <... close resumed>) = 0 [pid 313] rmdir("./164" [pid 312] unlink("./162/binderfs" [pid 311] unlink("./157/binderfs" [pid 309] getdents64(3 [pid 1112] symlink("/dev/binderfs", "./binderfs" [pid 313] <... rmdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1112] <... symlink resumed>) = 0 [pid 313] mkdir("./165", 0777 [pid 311] umount2("./157/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./162/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1112] write(1, "executing program\n", 18 [pid 313] <... mkdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1112] <... write resumed>) = 18 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] newfstatat(AT_FDCWD, "./162/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./157/cgroup.net" [pid 309] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1112] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1112] <... mkdirat resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] unlink("./162/cgroup.net" [pid 311] unlink("./157/cgroup.net" [pid 309] <... umount2 resumed>) = 0 [pid 1112] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... unlink resumed>) = 0 [pid 311] umount2("./157/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./157/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1113 attached [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1113] set_robust_list(0x55555bb49760, 24 [pid 1112] <... mount resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 167 [pid 312] umount2("./162/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./157/cgroup.cpu" [pid 1113] <... set_robust_list resumed>) = 0 [pid 1112] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1113] rt_sigprocmask(SIG_SETMASK, [] [pid 1112] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./162/cgroup.cpu" [pid 311] umount2("./157/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./154/config" [pid 1113] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1112] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1113] chdir("./165" [pid 1112] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] unlink("./162/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./157/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1113] <... chdir resumed>) = 0 [pid 1112] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1112] <... mkdirat resumed>) = 0 [pid 312] umount2("./162/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./157/cgroup" [pid 309] umount2("./154/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1113] <... prctl resumed>) = 0 [pid 1112] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 1113] setpgid(0, 0 [pid 1112] <... symlinkat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./162/cgroup" [pid 311] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1113] <... setpgid resumed>) = 0 [pid 1112] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1113] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1112] <... unlinkat resumed>) = 0 [pid 312] unlink("./162/cgroup" [pid 311] close(3 [pid 309] openat(AT_FDCWD, "./154/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1113] <... symlink resumed>) = 0 [pid 1112] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 1113] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 311] rmdir("./157" [pid 309] <... openat resumed>) = 4 [pid 1112] <... unlinkat resumed>) = 0 [pid 1113] <... symlink resumed>) = 0 [pid 1112] close(3 [pid 312] getdents64(3 [pid 311] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 1113] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] mkdir("./158", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1113] <... symlink resumed>) = 0 [pid 1112] close(4 [pid 312] close(3 [pid 311] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 1113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1113] <... openat resumed>) = 3 [pid 1112] close(5 [pid 312] rmdir("./162" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 1113] write(3, "1000", 4 [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1114 attached [pid 1113] <... write resumed>) = 4 [pid 1112] close(6 [pid 312] mkdir("./163", 0777 [pid 309] close(4 [pid 1114] set_robust_list(0x55555bb49760, 24 [pid 1113] close(3 [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 160 [pid 1114] <... set_robust_list resumed>) = 0 [pid 1113] <... close resumed>) = 0 [pid 1112] close(7 [pid 312] <... mkdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 1114] rt_sigprocmask(SIG_SETMASK, [] [pid 1113] symlink("/dev/binderfs", "./binderfs" [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./154/config" [pid 1114] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1113] <... symlink resumed>) = 0 [pid 1112] close(8 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1114] chdir("./158" [pid 1113] write(1, "executing program\n", 18 [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1114] <... chdir resumed>) = 0 [pid 1113] <... write resumed>) = 18 [pid 1112] close(9 [pid 1113] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1113] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1115 attached [pid 1114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1113] <... mount resumed>) = 0 [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1115] set_robust_list(0x55555bb49760, 24 [pid 1114] <... prctl resumed>) = 0 [pid 1113] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1112] close(10 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 165 [pid 1115] <... set_robust_list resumed>) = 0 [pid 1114] setpgid(0, 0 [pid 1113] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./154/binderfs" [pid 1115] rt_sigprocmask(SIG_SETMASK, [] [pid 1114] <... setpgid resumed>) = 0 [pid 1113] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1112] close(11 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1115] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1114] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1113] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./154/binderfs" [pid 1115] chdir("./163" [pid 1114] <... symlink resumed>) = 0 [pid 1113] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1112] close(12 [pid 1115] <... chdir resumed>) = 0 [pid 1114] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1113] <... mkdirat resumed>) = 0 [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1114] <... symlink resumed>) = 0 [pid 1113] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1115] <... prctl resumed>) = 0 [pid 1114] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1113] <... symlinkat resumed>) = 0 [pid 1112] close(13 [pid 309] umount2("./154/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1115] setpgid(0, 0 [pid 1114] <... symlink resumed>) = 0 [pid 1113] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1115] <... setpgid resumed>) = 0 [pid 1114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1113] <... unlinkat resumed>) = 0 [pid 1112] close(14 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1115] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1113] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1115] <... symlink resumed>) = 0 [pid 1114] <... openat resumed>) = 3 [pid 1113] <... unlinkat resumed>) = 0 [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./154/cgroup.net" [pid 1115] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1114] write(3, "1000", 4 [pid 1113] close(3 [pid 1112] close(15 [pid 1115] <... symlink resumed>) = 0 [pid 1114] <... write resumed>) = 4 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1115] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1114] close(3 [pid 1113] close(4 [pid 1112] close(16 [pid 309] unlink("./154/cgroup.net" [pid 1115] <... symlink resumed>) = 0 [pid 1114] <... close resumed>) = 0 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1114] symlink("/dev/binderfs", "./binderfs" [pid 1113] close(5 [pid 1112] close(17 [pid 309] <... unlink resumed>) = 0 [pid 1115] <... openat resumed>) = 3 [pid 1114] <... symlink resumed>) = 0 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./154/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1115] write(3, "1000", 4 [pid 1114] write(1, "executing program\n", 18 [pid 1113] close(6 executing program [pid 1112] close(18 [pid 1115] <... write resumed>) = 4 [pid 1114] <... write resumed>) = 18 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1115] close(3 [pid 1114] mkdirat(AT_FDCWD, "./config", 0777 [pid 1113] close(7 [pid 1112] close(19 [pid 309] newfstatat(AT_FDCWD, "./154/cgroup.cpu" [pid 1115] <... close resumed>) = 0 [pid 1114] <... mkdirat resumed>) = 0 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1115] symlink("/dev/binderfs", "./binderfs" [pid 1114] mount(NULL, "./config", "configfs", 0, NULL [pid 1113] close(8 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1115] <... symlink resumed>) = 0 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] close(20 [pid 1115] write(1, "executing program\n", 18 [pid 1114] <... mount resumed>) = 0 executing program [pid 1113] close(9 [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./154/cgroup.cpu" [pid 1115] <... write resumed>) = 18 [pid 1114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] close(21 [pid 1115] mkdirat(AT_FDCWD, "./config", 0777 [pid 1114] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1113] close(10 [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1115] <... mkdirat resumed>) = 0 [pid 1114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] close(22 [pid 309] umount2("./154/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1115] mount(NULL, "./config", "configfs", 0, NULL [pid 1114] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1113] close(11 [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1115] <... mount resumed>) = 0 [pid 1114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] close(23 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1113] close(12 [pid 1115] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1114] <... mkdirat resumed>) = 0 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./154/cgroup" [pid 1115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1114] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1113] close(13 [pid 1112] close(24 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1115] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1114] <... symlinkat resumed>) = 0 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1114] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1113] close(14 [pid 1112] close(25 [pid 309] unlink("./154/cgroup" [pid 1115] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1114] <... unlinkat resumed>) = 0 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1115] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1114] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1113] close(15 [pid 1112] close(26 [pid 309] getdents64(3 [pid 1115] <... symlinkat resumed>) = 0 [pid 1114] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1115] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1114] close(3 [pid 1113] close(16 [pid 1112] close(27 [pid 309] close(3 [pid 1115] <... unlinkat resumed>) = 0 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1115] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1114] close(4 [pid 1113] close(17 [pid 1112] close(28 [pid 309] <... close resumed>) = 0 [pid 1115] <... unlinkat resumed>) = 0 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1115] close(3 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] close(18 [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./154" [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(5 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] close(29 [pid 1115] close(4 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] close(19 [pid 1112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(6 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1115] close(5 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] close(20 [pid 1112] exit_group(0 [pid 309] mkdir("./155", 0777 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(7 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1112] <... exit_group resumed>) = ? [pid 1115] close(6 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] close(21 [pid 309] <... mkdir resumed>) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1115] close(7 [pid 1113] close(22 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1115] close(8 [pid 1113] close(23 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1115] close(9 [pid 1113] close(24 [pid 1112] +++ exited with 0 +++ [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(8 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1115] close(10 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] close(25 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(9 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1115] close(11 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] close(26 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1115] close(12 [pid 1113] close(27 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1115] close(13 [pid 1113] close(28ci2-android-5-15/strace-static-x86_64: Process 1116 attached [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(10 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] set_robust_list(0x55555bb49760, 24 [pid 1115] close(14 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] close(29 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 157 [pid 1116] <... set_robust_list resumed>) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(11 [pid 1113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] rt_sigprocmask(SIG_SETMASK, [] [pid 1115] close(15 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] exit_group(0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1116] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(12 [pid 1113] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1116] chdir("./155" [pid 1115] close(16 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1113] +++ exited with 0 +++ [pid 1116] <... chdir resumed>) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(13 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1115] close(17 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1116] <... prctl resumed>) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(14 [pid 1116] setpgid(0, 0 [pid 1115] close(18 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] <... setpgid resumed>) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(15 [pid 1116] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1115] close(19 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] <... symlink resumed>) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(16 [pid 1116] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1115] close(20 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] <... symlink resumed>) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(17 [pid 1116] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1115] close(21 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] <... symlink resumed>) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(18 [pid 1116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1115] close(22 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] <... openat resumed>) = 3 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(19 [pid 310] <... restart_syscall resumed>) = 0 [pid 1116] write(3, "1000", 4 [pid 1115] close(23 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] <... write resumed>) = 4 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] close(20 [pid 1116] close(3 [pid 1115] close(24 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] <... close resumed>) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] symlink("/dev/binderfs", "./binderfs" [pid 1115] close(25 [pid 1114] close(21 [pid 310] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1116] <... symlink resumed>) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] write(1, "executing program\n", 18 [pid 1115] close(26 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1114] close(22 [pid 1116] <... write resumed>) = 18 executing program [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1116] mkdirat(AT_FDCWD, "./config", 0777 [pid 1115] close(27 [pid 1114] close(23 [pid 1116] <... mkdirat resumed>) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1116] mount(NULL, "./config", "configfs", 0, NULL [pid 1115] close(28 [pid 1114] close(24 [pid 1116] <... mount resumed>) = 0 [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 1116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1115] close(29 [pid 1114] close(25 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1116] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1115] exit_group(0 [pid 1114] close(26 [pid 310] getdents64(3 [pid 1116] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1115] <... exit_group resumed>) = ? [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1115] +++ exited with 0 +++ [pid 1114] close(27 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1116] <... mkdirat resumed>) = 0 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1116] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1114] close(28 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1116] <... symlinkat resumed>) = 0 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 1116] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1114] close(29 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1116] <... unlinkat resumed>) = 0 [pid 1114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1116] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1116] <... unlinkat resumed>) = 0 [pid 1114] exit_group(0 [pid 310] newfstatat(AT_FDCWD, "./156/config" [pid 1116] close(3 [pid 1114] <... exit_group resumed>) = ? [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1116] close(4) = -1 EBADF (Bad file descriptor) [pid 1116] close(5) = -1 EBADF (Bad file descriptor) [pid 1116] close(6) = -1 EBADF (Bad file descriptor) [pid 1116] close(7) = -1 EBADF (Bad file descriptor) [pid 1116] close(8) = -1 EBADF (Bad file descriptor) [pid 1116] close(9 [pid 1114] +++ exited with 0 +++ [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... restart_syscall resumed>) = 0 [pid 310] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1116] close(10 [pid 312] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1116] close(11 [pid 313] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./156/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1116] close(12 [pid 313] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 4 [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 313] <... openat resumed>) = 3 [pid 1116] close(13 [pid 313] fstat(3 [pid 312] fstat(3 [pid 310] fstat(4 [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1116] close(14 [pid 313] getdents64(3 [pid 312] getdents64(3 [pid 310] getdents64(4 [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1116] close(15 [pid 313] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1116] close(16 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 310] close(4 [pid 1116] close(17 [pid 313] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1116] close(18 [pid 313] newfstatat(AT_FDCWD, "./165/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./156/config" [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./163/config" [pid 1116] close(19 [pid 313] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1116] close(20 [pid 313] openat(AT_FDCWD, "./165/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... openat resumed>) = 4 [pid 1116] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./156/binderfs" [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] openat(AT_FDCWD, "./163/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1116] close(22 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... openat resumed>) = 4 [pid 310] unlink("./156/binderfs" [pid 1116] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] fstat(4 [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1116] close(24 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] getdents64(4 [pid 310] umount2("./156/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1116] close(25 [pid 313] <... close resumed>) = 0 [pid 312] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./165/config" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./156/cgroup.net" [pid 1116] close(26) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1116] close(27 [pid 313] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 310] unlink("./156/cgroup.net" [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./163/config" [pid 1116] close(28 [pid 313] newfstatat(AT_FDCWD, "./165/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 310] umount2("./156/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1116] close(29 [pid 313] unlink("./165/binderfs" [pid 312] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1116] exit_group(0 [pid 313] umount2("./165/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./156/cgroup.cpu" [pid 1116] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./163/binderfs" [pid 1116] +++ exited with 0 +++ [pid 313] newfstatat(AT_FDCWD, "./165/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./163/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./156/cgroup.cpu" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] unlink("./165/cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./163/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] umount2("./165/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(3 [pid 310] umount2("./156/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./163/cgroup.net" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] newfstatat(AT_FDCWD, "./165/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./163/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] newfstatat(AT_FDCWD, "./156/cgroup" [pid 313] unlink("./165/cgroup.cpu" [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./163/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./165/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = 0 [pid 310] unlink("./156/cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./163/cgroup.cpu" [pid 311] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] newfstatat(AT_FDCWD, "./165/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./163/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./158/config" [pid 310] getdents64(3 [pid 313] unlink("./165/cgroup" [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./163/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 313] getdents64(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] newfstatat(AT_FDCWD, "./163/cgroup" [pid 311] openat(AT_FDCWD, "./158/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 313] close(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] rmdir("./156" [pid 313] <... close resumed>) = 0 [pid 312] unlink("./163/cgroup" [pid 311] fstat(4 [pid 313] rmdir("./165" [pid 312] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] getdents64(3 [pid 311] getdents64(4 [pid 310] mkdir("./157", 0777 [pid 313] mkdir("./166", 0777 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] getdents64(4 [pid 310] <... mkdir resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 312] close(3 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... close resumed>) = 0 [pid 311] close(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] rmdir("./163" [pid 311] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... restart_syscall resumed>) = 0 [pid 311] rmdir("./158/config") = 0 [pid 311] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1117 attached [pid 311] newfstatat(AT_FDCWD, "./158/binderfs" [pid 1117] set_robust_list(0x55555bb49760, 24 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1117] <... set_robust_list resumed>) = 0 [pid 311] unlink("./158/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1118 attached [pid 1117] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 168 [pid 312] mkdir("./164", 0777 [pid 311] <... unlink resumed>) = 0 [pid 1118] set_robust_list(0x55555bb49760, 24 [pid 1117] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... mkdir resumed>) = 0 [pid 311] umount2("./158/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1118] <... set_robust_list resumed>) = 0 [pid 1117] chdir("./166" [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 159 [pid 1118] rt_sigprocmask(SIG_SETMASK, [] [pid 1117] <... chdir resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./158/cgroup.net" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1118] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1118] chdir("./157" [pid 1117] <... prctl resumed>) = 0 [pid 311] unlink("./158/cgroup.net" [pid 1117] setpgid(0, 0 [pid 311] <... unlink resumed>) = 0 [pid 1117] <... setpgid resumed>) = 0 [pid 311] umount2("./158/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1119 attached [pid 1118] <... chdir resumed>) = 0 [pid 1117] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1119] set_robust_list(0x55555bb49760, 24 [pid 1118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1117] <... symlink resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 166 [pid 311] newfstatat(AT_FDCWD, "./158/cgroup.cpu" [pid 309] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1119] <... set_robust_list resumed>) = 0 [pid 1118] <... prctl resumed>) = 0 [pid 1117] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1119] rt_sigprocmask(SIG_SETMASK, [] [pid 1118] setpgid(0, 0 [pid 1117] <... symlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] unlink("./158/cgroup.cpu" [pid 309] <... openat resumed>) = 3 [pid 1119] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1118] <... setpgid resumed>) = 0 [pid 1117] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 311] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1119] chdir("./164" [pid 1118] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1117] <... symlink resumed>) = 0 [pid 311] umount2("./158/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1119] <... chdir resumed>) = 0 [pid 1118] <... symlink resumed>) = 0 [pid 1117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1118] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1117] <... openat resumed>) = 3 [pid 311] newfstatat(AT_FDCWD, "./158/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1119] <... prctl resumed>) = 0 [pid 1118] <... symlink resumed>) = 0 [pid 1117] write(3, "1000", 4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1119] setpgid(0, 0 [pid 1118] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1117] <... write resumed>) = 4 [pid 311] unlink("./158/cgroup" [pid 1119] <... setpgid resumed>) = 0 [pid 1118] <... symlink resumed>) = 0 [pid 1117] close(3 [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1119] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1117] <... close resumed>) = 0 [pid 311] getdents64(3 [pid 309] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1119] <... symlink resumed>) = 0 [pid 1118] <... openat resumed>) = 3 [pid 1117] symlink("/dev/binderfs", "./binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1119] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1118] write(3, "1000", 4 [pid 1117] <... symlink resumed>) = 0 [pid 311] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1119] <... symlink resumed>) = 0 [pid 1118] <... write resumed>) = 4 [pid 1117] write(1, "executing program\n", 18 [pid 311] <... close resumed>) = 0 executing program [pid 309] newfstatat(AT_FDCWD, "./155/config" [pid 1119] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1118] close(3 [pid 1117] <... write resumed>) = 18 [pid 311] rmdir("./158" [pid 1119] <... symlink resumed>) = 0 [pid 1118] <... close resumed>) = 0 [pid 1117] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1118] symlink("/dev/binderfs", "./binderfs" [pid 1117] <... mkdirat resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] umount2("./155/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1119] <... openat resumed>) = 3 [pid 1118] <... symlink resumed>) = 0 [pid 1117] mount(NULL, "./config", "configfs", 0, NULL [pid 311] mkdir("./159", 0777 [pid 1119] write(3, "1000", 4 [pid 1118] write(1, "executing program\n", 18 [pid 1117] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1119] <... write resumed>) = 4 [pid 1118] <... write resumed>) = 18 [pid 1117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./155/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1119] close(3 [pid 1118] mkdirat(AT_FDCWD, "./config", 0777 [pid 1117] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1119] <... close resumed>) = 0 [pid 1118] <... mkdirat resumed>) = 0 [pid 1117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 1119] symlink("/dev/binderfs", "./binderfs" [pid 1118] mount(NULL, "./config", "configfs", 0, NULL [pid 1117] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(4 [pid 1119] <... symlink resumed>) = 0 [pid 1118] <... mount resumed>) = 0 [pid 1117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1119] write(1, "executing program\n", 18 [pid 1117] <... mkdirat resumed>) = 0 executing program ci2-android-5-15/strace-static-x86_64: Process 1120 attached [pid 1119] <... write resumed>) = 18 [pid 1118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1117] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1120] set_robust_list(0x55555bb49760, 24 [pid 1119] mkdirat(AT_FDCWD, "./config", 0777 [pid 1118] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1117] <... symlinkat resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 161 [pid 309] getdents64(4 [pid 1120] <... set_robust_list resumed>) = 0 [pid 1119] <... mkdirat resumed>) = 0 [pid 1118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1117] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1120] rt_sigprocmask(SIG_SETMASK, [] [pid 1119] mount(NULL, "./config", "configfs", 0, NULL [pid 1118] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1117] <... unlinkat resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1120] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1119] <... mount resumed>) = 0 [pid 1118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1117] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1120] chdir("./159" [pid 1119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1118] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1117] <... unlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 1120] <... chdir resumed>) = 0 [pid 1119] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1118] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1117] close(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1120] <... prctl resumed>) = 0 [pid 1119] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1118] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1117] close(4 [pid 309] close(4 [pid 1120] setpgid(0, 0 [pid 1119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1118] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1120] <... setpgid resumed>) = 0 [pid 1119] <... mkdirat resumed>) = 0 [pid 1118] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1117] close(5 [pid 309] <... close resumed>) = 0 [pid 1120] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1119] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1120] <... symlink resumed>) = 0 [pid 1119] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1118] <... unlinkat resumed>) = 0 [pid 1117] close(6 [pid 309] rmdir("./155/config" [pid 1120] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1119] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1118] close(3 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1120] <... symlink resumed>) = 0 [pid 1119] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(7 [pid 309] <... rmdir resumed>) = 0 [pid 1120] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1119] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1118] close(4 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1120] <... symlink resumed>) = 0 [pid 1119] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(8 [pid 1120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1119] close(3 [pid 1118] close(5 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1120] <... openat resumed>) = 3 [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(9 [pid 309] newfstatat(AT_FDCWD, "./155/binderfs" [pid 1120] write(3, "1000", 4 [pid 1119] close(4 [pid 1118] close(6 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1120] <... write resumed>) = 4 [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(10 [pid 309] unlink("./155/binderfs" [pid 1120] close(3 [pid 1119] close(5 [pid 1118] close(7 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1120] <... close resumed>) = 0 [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(11 [pid 309] <... unlink resumed>) = 0 [pid 1120] symlink("/dev/binderfs", "./binderfs" [pid 1119] close(6 [pid 1118] close(8 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./155/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1120] <... symlink resumed>) = 0 [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(12 [pid 1120] write(1, "executing program\n", 18 [pid 1119] close(7 [pid 1118] close(9 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1120] <... write resumed>) = 18 [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(13 [pid 309] newfstatat(AT_FDCWD, "./155/cgroup.net" [pid 1120] mkdirat(AT_FDCWD, "./config", 0777 [pid 1119] close(8 [pid 1118] close(10 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1120] <... mkdirat resumed>) = 0 [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(14 [pid 309] unlink("./155/cgroup.net" [pid 1120] mount(NULL, "./config", "configfs", 0, NULL [pid 1119] close(9 [pid 1118] close(11 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1120] <... mount resumed>) = 0 [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(15 [pid 309] <... unlink resumed>) = 0 [pid 1120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1119] close(10 [pid 1118] close(12 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./155/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1120] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(16 [pid 1120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1119] close(11 [pid 1118] close(13 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1120] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(17 [pid 1120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1119] close(12 [pid 1118] close(14 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./155/cgroup.cpu" [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(18 [pid 1120] <... mkdirat resumed>) = 0 [pid 1119] close(13 [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1120] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] close(15 [pid 1117] close(19 [pid 309] unlink("./155/cgroup.cpu" [pid 1120] <... symlinkat resumed>) = 0 [pid 1119] close(14 [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1120] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] close(16 [pid 1117] close(20 [pid 309] <... unlink resumed>) = 0 [pid 1120] <... unlinkat resumed>) = 0 [pid 1119] close(15 [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1120] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] close(17 [pid 1117] close(21 [pid 309] umount2("./155/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1119] close(16 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1120] <... unlinkat resumed>) = 0 [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(22 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1120] close(3 [pid 1119] close(17 [pid 1118] close(18 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./155/cgroup" [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(23 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1120] close(4 [pid 1119] close(18 [pid 1118] close(19 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./155/cgroup" [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(24 [pid 1120] close(5 [pid 1119] close(19 [pid 1118] close(20 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(25 [pid 1120] close(6 [pid 1119] close(20 [pid 1118] close(21 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(26 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1120] close(7 [pid 1119] close(21 [pid 1118] close(22 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(27 [pid 1120] close(8 [pid 1119] close(22 [pid 1118] close(23 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(28 [pid 309] rmdir("./155" [pid 1120] close(9 [pid 1119] close(23 [pid 1118] close(24 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] close(29 [pid 309] <... rmdir resumed>) = 0 [pid 1120] close(10 [pid 1119] close(24 [pid 1118] close(25 [pid 1117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./156", 0777 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] exit_group(0 [pid 1120] close(11 [pid 1119] close(25 [pid 1118] close(26 [pid 1117] <... exit_group resumed>) = ? [pid 309] <... mkdir resumed>) = 0 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1117] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1120] close(12 [pid 1119] close(26 [pid 1118] close(27 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1120] close(13 [pid 1119] close(27 [pid 1118] close(28 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1119] close(28) = -1 EBADF (Bad file descriptor) [pid 1119] close(29) = -1 EBADF (Bad file descriptor) [pid 1119] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1121 attached [pid 1120] close(14 [pid 1119] +++ exited with 0 +++ [pid 1118] close(29 [pid 1121] set_robust_list(0x55555bb49760, 24 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 158 [pid 1121] <... set_robust_list resumed>) = 0 [pid 1120] close(15 [pid 1118] exit_group(0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1121] rt_sigprocmask(SIG_SETMASK, [] [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1118] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1121] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1120] close(16 [pid 1118] +++ exited with 0 +++ [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] chdir("./156" [pid 1120] close(17 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1121] <... chdir resumed>) = 0 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1120] close(18 [pid 1121] <... prctl resumed>) = 0 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] setpgid(0, 0 [pid 1120] close(19 [pid 1121] <... setpgid resumed>) = 0 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1120] close(20 [pid 1121] <... symlink resumed>) = 0 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1120] close(21 [pid 1121] <... symlink resumed>) = 0 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1120] close(22 [pid 1121] <... symlink resumed>) = 0 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1120] close(23 [pid 1121] <... openat resumed>) = 3 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] write(3, "1000", 4 [pid 1120] close(24 [pid 1121] <... write resumed>) = 4 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] close(3 [pid 1120] close(25 [pid 1121] <... close resumed>) = 0 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] symlink("/dev/binderfs", "./binderfs" [pid 1120] close(26 [pid 1121] <... symlink resumed>) = 0 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] write(1, "executing program\n", 18 [pid 1120] close(27 [pid 1121] <... write resumed>) = 18 executing program [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] mkdirat(AT_FDCWD, "./config", 0777 [pid 1120] close(28 [pid 1121] <... mkdirat resumed>) = 0 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] mount(NULL, "./config", "configfs", 0, NULL [pid 1120] close(29 [pid 1121] <... mount resumed>) = 0 [pid 1120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1120] exit_group(0 [pid 1121] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1120] <... exit_group resumed>) = ? [pid 1121] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1120] +++ exited with 0 +++ [pid 1121] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1121] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1121] <... mkdirat resumed>) = 0 [pid 1121] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1121] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1121] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1121] close(3) = -1 EBADF (Bad file descriptor) [pid 1121] close(4) = -1 EBADF (Bad file descriptor) [pid 1121] close(5) = -1 EBADF (Bad file descriptor) [pid 1121] close(6) = -1 EBADF (Bad file descriptor) [pid 1121] close(7) = -1 EBADF (Bad file descriptor) [pid 1121] close(8) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 1121] close(9) = -1 EBADF (Bad file descriptor) [pid 1121] close(10) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1121] close(11 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1121] close(12 [pid 313] <... restart_syscall resumed>) = 0 [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1121] close(13) = -1 EBADF (Bad file descriptor) [pid 1121] close(14 [pid 311] fstat(3 [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1121] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1121] close(16 [pid 313] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1121] close(17 [pid 311] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] fstat(3 [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1121] close(18 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 1121] close(19 [pid 313] getdents64(3 [pid 311] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1121] close(20 [pid 313] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./159/config" [pid 313] <... umount2 resumed>) = 0 [pid 1121] close(21 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1121] close(22 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1121] close(23 [pid 313] newfstatat(AT_FDCWD, "./166/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1121] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./159/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 4 [pid 1121] close(25 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] fstat(4 [pid 310] <... openat resumed>) = 3 [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./166/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... openat resumed>) = 3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] fstat(3 [pid 1121] close(26 [pid 313] <... openat resumed>) = 4 [pid 312] fstat(3 [pid 311] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1121] close(27 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(3 [pid 311] getdents64(4 [pid 310] getdents64(3 [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1121] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 310] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1121] close(29 [pid 311] <... close resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] <... umount2 resumed>) = 0 [pid 311] rmdir("./159/config" [pid 310] <... umount2 resumed>) = 0 [pid 1121] exit_group(0 [pid 313] <... close resumed>) = 0 [pid 312] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1121] <... exit_group resumed>) = ? [pid 313] rmdir("./166/config" [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1121] +++ exited with 0 +++ [pid 313] <... rmdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./164/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./157/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./159/binderfs" [pid 313] newfstatat(AT_FDCWD, "./166/binderfs" [pid 312] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] unlink("./166/binderfs" [pid 312] openat(AT_FDCWD, "./164/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./159/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./157/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] umount2("./166/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(4 [pid 311] umount2("./159/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... openat resumed>) = 4 [pid 313] newfstatat(AT_FDCWD, "./166/cgroup.net" [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] newfstatat(AT_FDCWD, "./159/cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] unlink("./166/cgroup.net" [pid 312] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 313] umount2("./166/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(4 [pid 311] unlink("./159/cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./166/cgroup.cpu" [pid 312] rmdir("./164/config" [pid 311] umount2("./159/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 313] unlink("./166/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./159/cgroup.cpu" [pid 310] close(4 [pid 313] umount2("./166/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./164/binderfs" [pid 311] unlink("./159/cgroup.cpu" [pid 310] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./166/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./164/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./157/config" [pid 313] unlink("./166/cgroup" [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./159/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] getdents64(3 [pid 312] umount2("./164/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./159/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] close(3 [pid 310] newfstatat(AT_FDCWD, "./157/binderfs" [pid 313] <... close resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./164/cgroup.net" [pid 311] unlink("./159/cgroup" [pid 313] rmdir("./166" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] unlink("./164/cgroup.net" [pid 311] getdents64(3 [pid 310] unlink("./157/binderfs" [pid 313] mkdir("./167", 0777 [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 312] umount2("./164/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 310] umount2("./157/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./164/cgroup.cpu" [pid 311] rmdir("./159" [pid 310] newfstatat(AT_FDCWD, "./157/cgroup.net" [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1122 attached [pid 312] unlink("./164/cgroup.cpu" [pid 311] mkdir("./160", 0777 [pid 310] unlink("./157/cgroup.net" [pid 1122] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 169 [pid 312] <... unlink resumed>) = 0 [pid 1122] <... set_robust_list resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1122] rt_sigprocmask(SIG_SETMASK, [] [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] umount2("./164/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1122] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./157/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1122] chdir("./167" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1122] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] newfstatat(AT_FDCWD, "./164/cgroup" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./157/cgroup.cpu" [pid 1122] <... prctl resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1122] setpgid(0, 0) = 0 [pid 1122] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 1122] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 1122] symlink("/syzcgroup/net/syz4", "./cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1123 attached ) = 0 [pid 1123] set_robust_list(0x55555bb49760, 24 [pid 1122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] unlink("./164/cgroup" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 162 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1123] <... set_robust_list resumed>) = 0 [pid 1122] <... openat resumed>) = 3 [pid 312] <... unlink resumed>) = 0 [pid 310] unlink("./157/cgroup.cpu" [pid 1122] write(3, "1000", 4 [pid 1123] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1123] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1122] <... write resumed>) = 4 [pid 312] getdents64(3 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1123] chdir("./160" [pid 1122] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./157/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1123] <... chdir resumed>) = 0 [pid 1122] <... close resumed>) = 0 [pid 312] close(3 [pid 1123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1122] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1123] <... prctl resumed>) = 0 [pid 1122] <... symlink resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./157/cgroup" [pid 1123] setpgid(0, 0 [pid 1122] write(1, "executing program\n", 18 [pid 312] rmdir("./164" [pid 1123] <... setpgid resumed>) = 0 [pid 1122] <... write resumed>) = 18 executing program [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1123] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1122] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... rmdir resumed>) = 0 [pid 310] unlink("./157/cgroup" [pid 1123] <... symlink resumed>) = 0 [pid 1122] <... mkdirat resumed>) = 0 [pid 312] mkdir("./165", 0777 [pid 1123] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1122] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... unlink resumed>) = 0 [pid 1123] <... symlink resumed>) = 0 [pid 1122] <... mount resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 310] getdents64(3 [pid 1123] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1123] <... symlink resumed>) = 0 [pid 1122] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 1123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] close(3 [pid 1123] <... openat resumed>) = 3 [pid 1122] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1123] write(3, "1000", 4 [pid 1122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 1122] <... mkdirat resumed>) = 0 [pid 1122] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 1124 attached ) = 0 [pid 310] rmdir("./157" [pid 1123] <... write resumed>) = 4 [pid 309] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1124] set_robust_list(0x55555bb49760, 24 [pid 1122] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 167 [pid 310] <... rmdir resumed>) = 0 [pid 1124] <... set_robust_list resumed>) = 0 [pid 1123] close(3 [pid 1122] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1122] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./158", 0777 [pid 1124] rt_sigprocmask(SIG_SETMASK, [] [pid 1123] <... close resumed>) = 0 [pid 1122] <... unlinkat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1124] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1123] symlink("/dev/binderfs", "./binderfs" [pid 1122] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1124] chdir("./165" [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 1124] <... chdir resumed>) = 0 [pid 1123] <... symlink resumed>) = 0 [pid 1122] close(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(3 [pid 1124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1123] write(1, "executing program\n", 18 [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1124] <... prctl resumed>) = 0 [pid 1123] <... write resumed>) = 18 [pid 1122] close(5 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1122] close(6) = -1 EBADF (Bad file descriptor) [pid 1122] close(7) = -1 EBADF (Bad file descriptor) [pid 1122] close(8) = -1 EBADF (Bad file descriptor) [pid 1122] close(9ci2-android-5-15/strace-static-x86_64: Process 1125 attached [pid 1124] setpgid(0, 0 [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] mkdirat(AT_FDCWD, "./config", 0777 [pid 1125] set_robust_list(0x55555bb49760, 24 [pid 1124] <... setpgid resumed>) = 0 [pid 1122] close(10 [pid 309] getdents64(3 [pid 1125] <... set_robust_list resumed>) = 0 [pid 1124] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1123] <... mkdirat resumed>) = 0 [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 160 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1125] rt_sigprocmask(SIG_SETMASK, [] [pid 1122] close(11 [pid 1125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] chdir("./158" [pid 1122] close(12 [pid 1125] <... chdir resumed>) = 0 [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1122] close(13 [pid 1125] <... prctl resumed>) = 0 [pid 1124] <... symlink resumed>) = 0 [pid 1123] mount(NULL, "./config", "configfs", 0, NULL [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1125] setpgid(0, 0 [pid 1124] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1122] close(14 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1125] <... setpgid resumed>) = 0 [pid 1123] <... mount resumed>) = 0 [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1125] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1124] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1122] close(15 [pid 309] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1125] <... symlink resumed>) = 0 [pid 1124] <... symlink resumed>) = 0 [pid 1123] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1122] close(16 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1125] <... symlink resumed>) = 0 [pid 1124] <... openat resumed>) = 3 [pid 1123] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1124] write(3, "1000", 4 [pid 1123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1122] close(17 [pid 309] newfstatat(AT_FDCWD, "./156/config" [pid 1125] <... symlink resumed>) = 0 [pid 1124] <... write resumed>) = 4 [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] <... mkdirat resumed>) = 0 [pid 1125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1124] close(3 [pid 1123] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1122] close(18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1125] <... openat resumed>) = 3 [pid 1124] <... close resumed>) = 0 [pid 1123] <... symlinkat resumed>) = 0 [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] write(3, "1000", 4 [pid 1124] symlink("/dev/binderfs", "./binderfs" [pid 1123] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1122] close(19 [pid 309] umount2("./156/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1125] <... write resumed>) = 4 [pid 1124] <... symlink resumed>) = 0 [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] close(3 [pid 1124] write(1, "executing program\n", 18 [pid 1123] <... unlinkat resumed>) = 0 [pid 1122] close(20 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1125] <... close resumed>) = 0 [pid 1124] <... write resumed>) = 18 [pid 1123] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./156/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1125] symlink("/dev/binderfs", "./binderfs" [pid 1124] mkdirat(AT_FDCWD, "./config", 0777 [pid 1123] <... unlinkat resumed>) = 0 [pid 1122] close(21 [pid 1125] <... symlink resumed>) = 0 [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1124] <... mkdirat resumed>) = 0 [pid 1125] write(1, "executing program\n", 18 [pid 1124] mount(NULL, "./config", "configfs", 0, NULL [pid 1123] close(3 [pid 1122] close(22 [pid 309] fstat(4 [pid 1125] <... write resumed>) = 18 executing program [pid 1124] <... mount resumed>) = 0 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1125] mkdirat(AT_FDCWD, "./config", 0777 [pid 1124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1123] close(4 [pid 1122] close(23 [pid 309] getdents64(4 [pid 1125] <... mkdirat resumed>) = 0 [pid 1124] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] mount(NULL, "./config", "configfs", 0, NULL [pid 1124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1123] close(5 [pid 1122] close(24 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1125] <... mount resumed>) = 0 [pid 1124] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1125] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1123] close(6 [pid 1122] close(25 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1125] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1124] <... mkdirat resumed>) = 0 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1122] close(26 [pid 309] close(4 [pid 1125] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1124] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1123] close(7 [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1122] close(27 [pid 309] <... close resumed>) = 0 [pid 1125] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1124] <... symlinkat resumed>) = 0 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./156/config" [pid 1125] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1124] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1123] close(8 [pid 1122] close(28 [pid 1125] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1124] <... unlinkat resumed>) = 0 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1125] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1124] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1123] close(9 [pid 1122] close(29 [pid 309] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1125] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1124] <... unlinkat resumed>) = 0 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1124] close(3 [pid 1123] close(10 [pid 1122] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1125] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1122] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./156/binderfs" [pid 1125] close(3 [pid 1124] close(4 [pid 1123] close(11 [pid 1122] +++ exited with 0 +++ [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1125] close(4 [pid 1124] close(5 [pid 1123] close(12 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] unlink("./156/binderfs" [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1125] close(5 [pid 1124] close(6 [pid 1123] close(13 [pid 309] <... unlink resumed>) = 0 [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] close(6 [pid 1124] close(7 [pid 1123] close(14 [pid 309] umount2("./156/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] close(7 [pid 1124] close(8 [pid 1123] close(15 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./156/cgroup.net" [pid 1125] close(8 [pid 1124] close(9 [pid 1123] close(16 [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1125] close(9 [pid 1124] close(10 [pid 1123] close(17 [pid 309] unlink("./156/cgroup.net" [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] close(10 [pid 1124] close(11 [pid 1123] close(18 [pid 309] <... unlink resumed>) = 0 [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./156/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1125] close(11 [pid 1124] close(12 [pid 1123] close(19 [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1125] close(12 [pid 1124] close(13 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./156/cgroup.cpu" [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] close(20 [pid 1125] close(13 [pid 1124] close(14 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] close(21 [pid 309] unlink("./156/cgroup.cpu" [pid 1125] close(14 [pid 1124] close(15 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] close(22 [pid 309] <... unlink resumed>) = 0 [pid 1125] close(15 [pid 1124] close(16 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] close(23 [pid 309] umount2("./156/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1125] close(16 [pid 1124] close(17 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] close(24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1125] close(17 [pid 1124] close(18 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./156/cgroup" [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] close(25 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1125] close(18 [pid 1124] close(19 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./156/cgroup" [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] close(26 [pid 313] <... openat resumed>) = 3 [pid 1125] close(19 [pid 1124] close(20 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 309] <... unlink resumed>) = 0 [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] close(27 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] getdents64(3 [pid 1125] close(20 [pid 1124] close(21 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] close(28 [pid 313] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1125] close(21 [pid 1124] close(22 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] close(3 [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] close(29 [pid 313] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1125] close(22 [pid 1124] close(23 [pid 1123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1125] close(23 [pid 1124] close(24 [pid 1123] exit_group(0 [pid 313] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./156" [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1123] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1125] close(24 [pid 1124] close(25 [pid 1125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1125] close(25) = -1 EBADF (Bad file descriptor) [pid 1125] close(26) = -1 EBADF (Bad file descriptor) [pid 1125] close(27) = -1 EBADF (Bad file descriptor) [pid 1125] close(28) = -1 EBADF (Bad file descriptor) [pid 1125] close(29) = -1 EBADF (Bad file descriptor) [pid 1123] +++ exited with 0 +++ [pid 1125] exit_group(0 [pid 313] newfstatat(AT_FDCWD, "./167/config" [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./157", 0777 [pid 1125] <... exit_group resumed>) = ? [pid 1124] close(26 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1125] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1124] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./167/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1124] close(28 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 1126 attached [pid 1124] close(29 [pid 313] fstat(4 [pid 1126] set_robust_list(0x55555bb49760, 24 [pid 1124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 159 [pid 1126] <... set_robust_list resumed>) = 0 [pid 1124] exit_group(0 [pid 313] getdents64(4 [pid 1126] rt_sigprocmask(SIG_SETMASK, [] [pid 1124] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1126] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1126] chdir("./157") = 0 [pid 1126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1126] setpgid(0, 0) = 0 [pid 1126] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 1124] +++ exited with 0 +++ [pid 313] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1126] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1126] <... symlink resumed>) = 0 [pid 313] close(4 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1126] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] <... close resumed>) = 0 [pid 1126] <... symlink resumed>) = 0 [pid 1126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] rmdir("./167/config" [pid 1126] <... openat resumed>) = 3 [pid 1126] write(3, "1000", 4) = 4 [pid 313] <... rmdir resumed>) = 0 [pid 1126] close(3) = 0 [pid 313] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1126] symlink("/dev/binderfs", "./binderfs") = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 1126] write(1, "executing program\n", 18 executing program [pid 313] newfstatat(AT_FDCWD, "./167/binderfs" [pid 1126] <... write resumed>) = 18 [pid 1126] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1126] <... mkdirat resumed>) = 0 [pid 313] unlink("./167/binderfs" [pid 1126] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1126] <... mount resumed>) = 0 [pid 313] umount2("./167/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1126] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1126] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1126] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] newfstatat(AT_FDCWD, "./167/cgroup.net" [pid 1126] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 1126] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 1126] <... mkdirat resumed>) = 0 [pid 313] unlink("./167/cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1126] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 1126] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] umount2("./167/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1126] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1126] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1126] <... unlinkat resumed>) = 0 [pid 310] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] newfstatat(AT_FDCWD, "./167/cgroup.cpu" [pid 1126] close(3) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1126] close(4) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./167/cgroup.cpu" [pid 310] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1126] close(5 [pid 313] <... unlink resumed>) = 0 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./167/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1126] close(6 [pid 310] newfstatat(AT_FDCWD, "./158/config" [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1126] close(7 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] newfstatat(AT_FDCWD, "./167/cgroup" [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1126] close(8 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] unlink("./167/cgroup" [pid 1126] close(9 [pid 310] openat(AT_FDCWD, "./158/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1126] close(10 [pid 313] getdents64(3 [pid 310] <... openat resumed>) = 4 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1126] close(11 [pid 310] fstat(4 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 311] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1126] close(12 [pid 313] <... close resumed>) = 0 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1126] close(13) = -1 EBADF (Bad file descriptor) [pid 1126] close(14 [pid 313] rmdir("./167" [pid 310] getdents64(4 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1126] close(15 [pid 313] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./168", 0777 [pid 311] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 1126] close(16) = -1 EBADF (Bad file descriptor) [pid 1126] close(17 [pid 313] <... mkdir resumed>) = 0 [pid 311] fstat(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] close(4 [pid 1126] close(18 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(3 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... close resumed>) = 0 [pid 1126] close(19) = -1 EBADF (Bad file descriptor) [pid 1126] close(20) = -1 EBADF (Bad file descriptor) [pid 1126] close(21) = -1 EBADF (Bad file descriptor) [pid 1126] close(22) = -1 EBADF (Bad file descriptor) [pid 1126] close(23ci2-android-5-15/strace-static-x86_64: Process 1127 attached ) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./158/config" [pid 1127] set_robust_list(0x55555bb49760, 24 [pid 1126] close(24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 170 [pid 1127] <... set_robust_list resumed>) = 0 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1127] rt_sigprocmask(SIG_SETMASK, [] [pid 1126] close(25 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1127] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1127] chdir("./168" [pid 1126] close(26 [pid 312] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./160/config" [pid 310] newfstatat(AT_FDCWD, "./158/binderfs" [pid 1127] <... chdir resumed>) = 0 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1126] close(27 [pid 312] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./158/binderfs" [pid 1127] <... prctl resumed>) = 0 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1127] setpgid(0, 0 [pid 1126] close(28 [pid 312] fstat(3 [pid 311] openat(AT_FDCWD, "./160/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... unlink resumed>) = 0 [pid 1127] <... setpgid resumed>) = 0 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./158/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1127] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1126] close(29 [pid 312] getdents64(3 [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1127] <... symlink resumed>) = 0 [pid 1126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./158/cgroup.net" [pid 1127] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1126] exit_group(0 [pid 312] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 1127] <... symlink resumed>) = 0 [pid 1126] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1127] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1126] +++ exited with 0 +++ [pid 312] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 1127] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] unlink("./158/cgroup.net" [pid 1127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] newfstatat(AT_FDCWD, "./165/config" [pid 311] close(4 [pid 1127] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1127] write(3, "1000", 4 [pid 312] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 310] umount2("./158/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1127] <... write resumed>) = 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./160/config" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1127] close(3 [pid 312] openat(AT_FDCWD, "./165/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1127] <... close resumed>) = 0 [pid 1127] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1127] write(1, "executing program\n", 18) = 18 [pid 1127] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 312] <... openat resumed>) = 4 [pid 311] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./158/cgroup.cpu" executing program [pid 1127] mount(NULL, "./config", "configfs", 0, NULL [pid 312] fstat(4 [pid 311] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1127] <... mount resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1127] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./158/cgroup.cpu" [pid 1127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] newfstatat(AT_FDCWD, "./160/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 1127] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1127] <... symlinkat resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] unlink("./160/binderfs" [pid 310] umount2("./158/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1127] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] close(4 [pid 1127] <... unlinkat resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1127] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] rmdir("./165/config" [pid 311] umount2("./160/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./158/cgroup" [pid 1127] <... unlinkat resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 1127] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./160/cgroup.net" [pid 1127] close(4 [pid 312] newfstatat(AT_FDCWD, "./165/binderfs" [pid 310] unlink("./158/cgroup" [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1127] close(5 [pid 312] unlink("./165/binderfs" [pid 311] unlink("./160/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1127] close(6 [pid 311] <... unlink resumed>) = 0 [pid 312] umount2("./165/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./160/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1127] close(7 [pid 312] newfstatat(AT_FDCWD, "./165/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./160/cgroup.cpu" [pid 1127] close(8 [pid 312] unlink("./165/cgroup.net" [pid 310] <... close resumed>) = 0 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1127] close(9 [pid 312] <... unlink resumed>) = 0 [pid 311] unlink("./160/cgroup.cpu" [pid 310] rmdir("./158" [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./165/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1127] close(10 [pid 311] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./160/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1127] close(11 [pid 312] newfstatat(AT_FDCWD, "./165/cgroup.cpu" [pid 310] mkdir("./159", 0777 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1127] close(12 [pid 312] unlink("./165/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./160/cgroup" [pid 310] <... mkdir resumed>) = 0 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1127] close(13 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./165/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./160/cgroup" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1127] close(14 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./165/cgroup" [pid 311] getdents64(3 [pid 1127] close(15) = -1 EBADF (Bad file descriptor) [pid 1127] close(16) = -1 EBADF (Bad file descriptor) [pid 1127] close(17) = -1 EBADF (Bad file descriptor) [pid 1127] close(18) = -1 EBADF (Bad file descriptor) [pid 1127] close(19) = -1 EBADF (Bad file descriptor) [pid 1127] close(20ci2-android-5-15/strace-static-x86_64: Process 1128 attached ) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1128] set_robust_list(0x55555bb49760, 24 [pid 1127] close(21 [pid 312] unlink("./165/cgroup" [pid 311] close(3 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 161 [pid 1128] <... set_robust_list resumed>) = 0 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 1128] rt_sigprocmask(SIG_SETMASK, [] [pid 1127] close(22 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1128] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] rmdir("./160" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1128] chdir("./159" [pid 1127] close(23 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1128] <... chdir resumed>) = 0 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] mkdir("./161", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1127] close(24 [pid 312] <... close resumed>) = 0 [pid 1128] <... prctl resumed>) = 0 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./165" [pid 311] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1128] setpgid(0, 0 [pid 1127] close(25 [pid 312] <... rmdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1128] <... setpgid resumed>) = 0 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./166", 0777 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 1128] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1127] close(26 [pid 312] <... mkdir resumed>) = 0 [pid 1128] <... symlink resumed>) = 0 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(3 [pid 1128] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1127] close(27 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1128] <... symlink resumed>) = 0 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1127] close(28ci2-android-5-15/strace-static-x86_64: Process 1129 attached [pid 1128] <... symlink resumed>) = 0 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1129] set_robust_list(0x55555bb49760, 24 [pid 1128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1127] close(29 [pid 1128] <... openat resumed>) = 3 [pid 1127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] write(3, "1000", 4 [pid 1127] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 1130 attached [pid 1129] <... set_robust_list resumed>) = 0 [pid 1128] <... write resumed>) = 4 [pid 1127] <... exit_group resumed>) = ? [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 163 [pid 309] getdents64(3 [pid 1130] set_robust_list(0x55555bb49760, 24 [pid 1129] rt_sigprocmask(SIG_SETMASK, [] [pid 1128] close(3 [pid 1127] +++ exited with 0 +++ [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 168 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1130] <... set_robust_list resumed>) = 0 [pid 1129] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1128] <... close resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1130] rt_sigprocmask(SIG_SETMASK, [] [pid 1129] chdir("./161" [pid 1128] symlink("/dev/binderfs", "./binderfs" [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1130] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1129] <... chdir resumed>) = 0 [pid 1128] <... symlink resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = 0 [pid 1130] chdir("./166" executing program [pid 1129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1128] write(1, "executing program\n", 18 [pid 309] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1130] <... chdir resumed>) = 0 [pid 1129] <... prctl resumed>) = 0 [pid 1128] <... write resumed>) = 18 [pid 1130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1129] setpgid(0, 0 [pid 1128] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1130] <... prctl resumed>) = 0 [pid 1129] <... setpgid resumed>) = 0 [pid 1128] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./157/config" [pid 1130] setpgid(0, 0 [pid 1129] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1128] mount(NULL, "./config", "configfs", 0, NULL [pid 1130] <... setpgid resumed>) = 0 [pid 1129] <... symlink resumed>) = 0 [pid 1128] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1130] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1129] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1130] <... symlink resumed>) = 0 [pid 1129] <... symlink resumed>) = 0 [pid 1128] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./157/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1130] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1129] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1130] <... symlink resumed>) = 0 [pid 1129] <... symlink resumed>) = 0 [pid 1128] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1130] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] openat(AT_FDCWD, "./157/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1130] <... symlink resumed>) = 0 [pid 1129] <... openat resumed>) = 3 [pid 1128] <... mkdirat resumed>) = 0 [pid 1130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1129] write(3, "1000", 4 [pid 1128] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... openat resumed>) = 4 [pid 1130] <... openat resumed>) = 3 [pid 1129] <... write resumed>) = 4 [pid 1128] <... symlinkat resumed>) = 0 [pid 313] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 1130] write(3, "1000", 4 [pid 1129] close(3 [pid 1128] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1130] <... write resumed>) = 4 [pid 1129] <... close resumed>) = 0 [pid 1128] <... unlinkat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 1130] close(3 [pid 1129] symlink("/dev/binderfs", "./binderfs" [pid 1128] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1130] <... close resumed>) = 0 [pid 1129] <... symlink resumed>) = 0 [pid 1128] <... unlinkat resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1130] symlink("/dev/binderfs", "./binderfs" [pid 1129] write(1, "executing program\n", 18 [pid 1128] close(3 [pid 313] fstat(3 [pid 309] getdents64(4 [pid 1130] <... symlink resumed>) = 0 executing program [pid 1129] <... write resumed>) = 18 [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1130] write(1, "executing program\n", 18 [pid 1129] mkdirat(AT_FDCWD, "./config", 0777 [pid 1128] close(4 [pid 313] getdents64(3 [pid 309] close(4 [pid 1130] <... write resumed>) = 18 executing program [pid 1129] <... mkdirat resumed>) = 0 [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1130] mkdirat(AT_FDCWD, "./config", 0777 [pid 1129] mount(NULL, "./config", "configfs", 0, NULL [pid 1128] close(5 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... close resumed>) = 0 [pid 1130] <... mkdirat resumed>) = 0 [pid 1129] <... mount resumed>) = 0 [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./157/config" [pid 1130] mount(NULL, "./config", "configfs", 0, NULL [pid 1129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1128] close(6 [pid 313] <... umount2 resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1130] <... mount resumed>) = 0 [pid 1129] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1128] close(7 [pid 309] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1130] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1129] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1128] close(8 [pid 313] newfstatat(AT_FDCWD, "./168/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1130] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1129] <... mkdirat resumed>) = 0 [pid 1128] close(9 [pid 1130] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1129] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./157/binderfs" [pid 1130] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1128] close(10 [pid 1130] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1129] <... symlinkat resumed>) = 0 [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1130] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1129] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1128] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./157/binderfs" [pid 1130] <... unlinkat resumed>) = 0 [pid 1129] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./168/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1130] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1129] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1128] close(12 [pid 309] <... unlink resumed>) = 0 [pid 1130] <... unlinkat resumed>) = 0 [pid 1129] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 309] umount2("./157/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1130] close(3 [pid 1129] close(3 [pid 1128] close(13 [pid 313] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./157/cgroup.net" [pid 1130] close(4 [pid 1129] close(4 [pid 1128] close(14 [pid 313] getdents64(4 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1130] close(5 [pid 1129] close(5 [pid 1128] close(15 [pid 313] getdents64(4 [pid 309] unlink("./157/cgroup.net" [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1130] close(6 [pid 1129] close(6 [pid 1128] close(16 [pid 313] close(4 [pid 309] <... unlink resumed>) = 0 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1130] close(7 [pid 1129] close(7 [pid 1128] close(17 [pid 313] <... close resumed>) = 0 [pid 309] umount2("./157/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./168/config" [pid 1130] close(8 [pid 1129] close(8 [pid 1128] close(18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./157/cgroup.cpu" [pid 1130] close(9 [pid 1129] close(9 [pid 1128] close(19 [pid 313] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1130] close(10 [pid 1129] close(10 [pid 1128] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./157/cgroup.cpu" [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./168/binderfs" [pid 1130] close(11 [pid 1129] close(11 [pid 1128] close(21 [pid 309] <... unlink resumed>) = 0 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1130] close(12 [pid 1129] close(12 [pid 1128] close(22 [pid 313] unlink("./168/binderfs" [pid 309] umount2("./157/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1130] close(13 [pid 1129] close(13 [pid 1128] close(23 [pid 313] umount2("./168/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./157/cgroup" [pid 1130] close(14 [pid 1129] close(14 [pid 1128] close(24 [pid 313] newfstatat(AT_FDCWD, "./168/cgroup.net" [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1130] close(15 [pid 1129] close(15 [pid 1128] close(25 [pid 313] unlink("./168/cgroup.net" [pid 309] unlink("./157/cgroup" [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1130] close(16 [pid 1129] close(16 [pid 1128] close(26 [pid 313] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./168/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1130] close(17 [pid 1129] close(17 [pid 1128] close(27 [pid 309] getdents64(3 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1130] close(18 [pid 1129] close(18 [pid 1128] close(28 [pid 313] newfstatat(AT_FDCWD, "./168/cgroup.cpu" [pid 309] close(3 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1130] close(19 [pid 1129] close(19 [pid 1128] close(29 [pid 313] unlink("./168/cgroup.cpu" [pid 309] <... close resumed>) = 0 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] rmdir("./157" [pid 1130] close(20 [pid 1129] close(20 [pid 1128] exit_group(0 [pid 313] umount2("./168/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 1130] close(21 [pid 1129] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./158", 0777 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1128] +++ exited with 0 +++ [pid 313] newfstatat(AT_FDCWD, "./168/cgroup" [pid 309] <... mkdir resumed>) = 0 [pid 1130] close(22 [pid 1129] close(22 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=161, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./168/cgroup" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1130] close(23 [pid 1129] close(23 [pid 313] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3ci2-android-5-15/strace-static-x86_64: Process 1131 attached [pid 1130] close(24 [pid 1129] close(24 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 160 [pid 1131] set_robust_list(0x55555bb49760, 24 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1131] <... set_robust_list resumed>) = 0 [pid 1130] close(25 [pid 1129] close(25 [pid 313] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1131] rt_sigprocmask(SIG_SETMASK, [] [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./168" [pid 1131] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] close(26 [pid 313] <... rmdir resumed>) = 0 [pid 1131] chdir("./158" [pid 1130] close(26 [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./169", 0777 [pid 1131] <... chdir resumed>) = 0 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] close(27 [pid 313] <... mkdir resumed>) = 0 [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1130] close(27 [pid 1129] close(28 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1131] <... prctl resumed>) = 0 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1132 attached [pid 1131] setpgid(0, 0 [pid 1130] close(28 [pid 1129] close(29 [pid 1132] set_robust_list(0x55555bb49760, 24 [pid 1131] <... setpgid resumed>) = 0 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 171 [pid 1132] <... set_robust_list resumed>) = 0 [pid 1131] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1130] close(29 [pid 1129] exit_group(0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1132] rt_sigprocmask(SIG_SETMASK, [] [pid 1129] <... exit_group resumed>) = ? [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1132] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1131] <... symlink resumed>) = 0 [pid 1130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1129] +++ exited with 0 +++ [pid 1132] chdir("./169" [pid 1131] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1132] <... chdir resumed>) = 0 [pid 1130] exit_group(0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1131] <... symlink resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1131] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1130] <... exit_group resumed>) = ? [pid 1132] <... prctl resumed>) = 0 [pid 1130] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1131] <... symlink resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1132] setpgid(0, 0 [pid 1131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1132] <... setpgid resumed>) = 0 [pid 1131] <... openat resumed>) = 3 [pid 1132] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1131] write(3, "1000", 4 [pid 1132] <... symlink resumed>) = 0 [pid 1131] <... write resumed>) = 4 [pid 1132] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1131] close(3 [pid 1132] <... symlink resumed>) = 0 [pid 1131] <... close resumed>) = 0 [pid 1132] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1131] symlink("/dev/binderfs", "./binderfs" [pid 1132] <... symlink resumed>) = 0 [pid 1131] <... symlink resumed>) = 0 [pid 1132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1131] write(1, "executing program\n", 18 [pid 1132] <... openat resumed>) = 3 [pid 1131] <... write resumed>) = 18 [pid 1132] write(3, "1000", 4 executing program [pid 1131] mkdirat(AT_FDCWD, "./config", 0777 [pid 1132] <... write resumed>) = 4 [pid 1132] close(3 [pid 1131] <... mkdirat resumed>) = 0 [pid 1132] <... close resumed>) = 0 [pid 1131] mount(NULL, "./config", "configfs", 0, NULL [pid 1132] symlink("/dev/binderfs", "./binderfs" [pid 1131] <... mount resumed>) = 0 [pid 1132] <... symlink resumed>) = 0 [pid 1131] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1132] write(1, "executing program\n", 18 [pid 1131] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1132] <... write resumed>) = 18 [pid 1131] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 executing program [pid 1132] mkdirat(AT_FDCWD, "./config", 0777 [pid 1131] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1132] <... mkdirat resumed>) = 0 [pid 1131] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1132] mount(NULL, "./config", "configfs", 0, NULL [pid 1131] <... mkdirat resumed>) = 0 [pid 1132] <... mount resumed>) = 0 [pid 1131] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1131] <... symlinkat resumed>) = 0 [pid 1132] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1131] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1131] <... unlinkat resumed>) = 0 [pid 1132] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1131] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1131] <... unlinkat resumed>) = 0 [pid 1132] <... mkdirat resumed>) = 0 [pid 1131] close(3 [pid 1132] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1132] <... symlinkat resumed>) = 0 [pid 1131] close(4 [pid 1132] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1132] <... unlinkat resumed>) = 0 [pid 1131] close(5 [pid 1132] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1132] <... unlinkat resumed>) = 0 [pid 1131] close(6 [pid 1132] close(3 [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] close(7 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1132] close(4 [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] close(8 [pid 310] <... openat resumed>) = 3 [pid 1132] close(5 [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] close(9 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1132] close(6 [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] close(10 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1132] close(7 [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1132] close(8 [pid 1131] close(11 [pid 310] <... umount2 resumed>) = 0 [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1132] close(9 [pid 1131] close(12 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./159/config" [pid 1132] close(10 [pid 1131] close(13 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1132] close(11 [pid 1131] close(14 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./159/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1132] close(12 [pid 1131] close(15 [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1132] close(13 [pid 1131] close(16 [pid 310] getdents64(4 [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1132] close(14 [pid 1131] close(17 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1132] close(15 [pid 1131] close(18 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./159/config" [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1132] close(16 [pid 1131] close(19 [pid 312] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1132] close(17 [pid 1131] close(20 [pid 312] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./159/binderfs" [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1132] close(18 [pid 1131] close(21 [pid 312] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./159/binderfs" [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1132] close(19 [pid 1131] close(22 [pid 312] getdents64(3 [pid 311] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./159/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1132] close(20 [pid 1131] close(23 [pid 312] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./159/cgroup.net" [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 311] fstat(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1132] close(21 [pid 1131] close(24 [pid 312] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] unlink("./159/cgroup.net" [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 1132] close(22 [pid 1131] close(25 [pid 312] newfstatat(AT_FDCWD, "./166/config" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./159/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1132] close(23 [pid 1131] close(26 [pid 312] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./159/cgroup.cpu" [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1132] close(24 [pid 1131] close(27 [pid 312] openat(AT_FDCWD, "./166/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./159/cgroup.cpu" [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1132] close(25 [pid 1131] close(28 [pid 312] fstat(4 [pid 310] umount2("./159/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./161/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1132] close(26 [pid 1131] close(29 [pid 312] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./159/cgroup" [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1132] close(27 [pid 1131] exit_group(0 [pid 312] getdents64(4 [pid 310] unlink("./159/cgroup" [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1131] <... exit_group resumed>) = ? [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1132] close(28 [pid 312] close(4 [pid 310] getdents64(3 [pid 312] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] rmdir("./166/config" [pid 310] close(3 [pid 312] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 312] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./159" [pid 1131] +++ exited with 0 +++ [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 1132] close(29 [pid 312] newfstatat(AT_FDCWD, "./166/binderfs" [pid 311] openat(AT_FDCWD, "./161/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./160", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1132] exit_group(0 [pid 312] unlink("./166/binderfs" [pid 311] fstat(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1132] <... exit_group resumed>) = ? [pid 312] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] umount2("./166/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1133 attached [pid 1132] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 1133] set_robust_list(0x55555bb49760, 24 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] newfstatat(AT_FDCWD, "./166/cgroup.net" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 162 [pid 1133] <... set_robust_list resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1133] rt_sigprocmask(SIG_SETMASK, [] [pid 312] unlink("./166/cgroup.net" [pid 311] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1133] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1133] chdir("./160" [pid 312] umount2("./166/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 1133] <... chdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] newfstatat(AT_FDCWD, "./166/cgroup.cpu" [pid 311] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1133] <... prctl resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./161/config" [pid 1133] setpgid(0, 0 [pid 312] unlink("./166/cgroup.cpu" [pid 311] <... rmdir resumed>) = 0 [pid 1133] <... setpgid resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1133] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 312] umount2("./166/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1133] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./161/binderfs" [pid 309] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1133] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 312] newfstatat(AT_FDCWD, "./166/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 1133] <... symlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 1133] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 312] unlink("./166/cgroup" [pid 311] unlink("./161/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1133] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 1133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] getdents64(3 [pid 311] umount2("./161/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1133] <... openat resumed>) = 3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1133] write(3, "1000", 4 [pid 312] close(3 [pid 311] newfstatat(AT_FDCWD, "./161/cgroup.net" [pid 309] <... umount2 resumed>) = 0 [pid 1133] <... write resumed>) = 4 [pid 312] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1133] close(3 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] rmdir("./166" [pid 311] unlink("./161/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1133] <... close resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./158/config" [pid 1133] symlink("/dev/binderfs", "./binderfs" [pid 312] mkdir("./167", 0777 [pid 311] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1133] <... symlink resumed>) = 0 [pid 313] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 311] umount2("./161/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./158/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1133] write(1, "executing program\n", 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1133] <... write resumed>) = 18 [pid 313] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./161/cgroup.cpu" [pid 309] openat(AT_FDCWD, "./158/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1133] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 1134 attached [pid 1133] <... mkdirat resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 1134] set_robust_list(0x55555bb49760, 24 [pid 1133] mount(NULL, "./config", "configfs", 0, NULL [pid 313] fstat(3 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 169 [pid 311] unlink("./161/cgroup.cpu" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1134] <... set_robust_list resumed>) = 0 [pid 1133] <... mount resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 1134] rt_sigprocmask(SIG_SETMASK, [] [pid 1133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] getdents64(3 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] umount2("./161/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1134] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1133] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1134] chdir("./167" [pid 1133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1134] <... chdir resumed>) = 0 [pid 1133] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./161/cgroup" [pid 1133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1134] <... prctl resumed>) = 0 [pid 1133] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./161/cgroup" [pid 309] close(4 [pid 1134] setpgid(0, 0 [pid 1133] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] newfstatat(AT_FDCWD, "./169/config" [pid 309] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1134] <... setpgid resumed>) = 0 [pid 309] rmdir("./158/config" [pid 1133] <... symlinkat resumed>) = 0 [pid 311] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 1134] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1133] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1134] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 1133] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1134] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1133] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] openat(AT_FDCWD, "./169/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./158/binderfs" [pid 1134] <... symlink resumed>) = 0 [pid 311] rmdir("./161" [pid 313] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] fstat(4 [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./158/binderfs" [pid 1134] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1133] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] mkdir("./162", 0777 [pid 309] umount2("./158/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1134] <... symlink resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] getdents64(4 [pid 1133] close(3 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./158/cgroup.net" [pid 1134] <... openat resumed>) = 3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1134] write(3, "1000", 4 [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1134] <... write resumed>) = 4 [pid 1133] close(4 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./158/cgroup.net" [pid 1134] close(3 [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4ci2-android-5-15/strace-static-x86_64: Process 1135 attached [pid 309] <... unlink resumed>) = 0 [pid 1135] set_robust_list(0x55555bb49760, 24 [pid 1134] <... close resumed>) = 0 [pid 1133] close(5 [pid 313] <... close resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 164 [pid 309] umount2("./158/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1135] <... set_robust_list resumed>) = 0 [pid 1134] symlink("/dev/binderfs", "./binderfs" [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./169/config" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1135] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1135] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1134] <... symlink resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./158/cgroup.cpu" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1135] chdir("./162" [pid 1134] write(1, "executing program\n", 18 [pid 1133] close(6 [pid 313] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1135] <... chdir resumed>) = 0 [pid 1134] <... write resumed>) = 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./158/cgroup.cpu" [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1134] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] newfstatat(AT_FDCWD, "./169/binderfs" [pid 1135] <... prctl resumed>) = 0 [pid 1133] close(7 [pid 309] <... unlink resumed>) = 0 [pid 1135] setpgid(0, 0 [pid 1134] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1135] <... setpgid resumed>) = 0 [pid 1134] mount(NULL, "./config", "configfs", 0, NULL [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./169/binderfs" [pid 309] umount2("./158/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1135] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 1135] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 1135] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 1135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1134] <... mount resumed>) = 0 [pid 1135] <... openat resumed>) = 3 [pid 1133] close(8 [pid 1134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1135] write(3, "1000", 4 [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1135] <... write resumed>) = 4 [pid 1134] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./169/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1133] close(9 [pid 309] newfstatat(AT_FDCWD, "./158/cgroup" [pid 1135] close(3 [pid 1134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1135] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1135] symlink("/dev/binderfs", "./binderfs" [pid 1134] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1133] close(10 [pid 313] newfstatat(AT_FDCWD, "./169/cgroup.net" [pid 309] unlink("./158/cgroup" [pid 1135] <... symlink resumed>) = 0 [pid 1134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1135] write(1, "executing program\n", 18 [pid 309] <... unlink resumed>) = 0 [pid 1135] <... write resumed>) = 18 executing program [pid 1135] mkdirat(AT_FDCWD, "./config", 0777 [pid 1134] <... mkdirat resumed>) = 0 [pid 1133] close(11 [pid 313] unlink("./169/cgroup.net" [pid 309] getdents64(3 [pid 1135] <... mkdirat resumed>) = 0 [pid 1134] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1135] mount(NULL, "./config", "configfs", 0, NULL [pid 1134] <... symlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1133] close(12 [pid 1135] <... mount resumed>) = 0 [pid 1134] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./169/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1134] <... unlinkat resumed>) = 0 [pid 1133] close(13 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1134] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./169/cgroup.cpu" [pid 1135] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1134] <... unlinkat resumed>) = 0 [pid 1133] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./158" [pid 1135] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1134] close(3 [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1135] <... symlinkat resumed>) = 0 [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] close(15 [pid 313] unlink("./169/cgroup.cpu" [pid 309] <... rmdir resumed>) = 0 [pid 1135] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1134] close(4 [pid 1135] <... unlinkat resumed>) = 0 [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] mkdir("./159", 0777 [pid 1135] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1134] close(5 [pid 1133] close(16 [pid 313] umount2("./169/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1135] <... unlinkat resumed>) = 0 [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1135] close(3 [pid 1134] close(6 [pid 1133] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1135] close(4 [pid 313] newfstatat(AT_FDCWD, "./169/cgroup" [pid 1134] close(7 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1135] close(5) = -1 EBADF (Bad file descriptor) [pid 1135] close(6) = -1 EBADF (Bad file descriptor) [pid 1135] close(7) = -1 EBADF (Bad file descriptor) [pid 1135] close(8) = -1 EBADF (Bad file descriptor) [pid 1135] close(9) = -1 EBADF (Bad file descriptor) [pid 1135] close(10) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./169/cgroup" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1135] close(11 [pid 1134] close(8 [pid 1133] close(19 [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1135] close(12) = -1 EBADF (Bad file descriptor) [pid 1135] close(13) = -1 EBADF (Bad file descriptor) [pid 1135] close(14) = -1 EBADF (Bad file descriptor) [pid 1135] close(15ci2-android-5-15/strace-static-x86_64: Process 1136 attached ) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1136] set_robust_list(0x55555bb49760, 24 [pid 1135] close(16 [pid 1134] close(9 [pid 1133] close(20 [pid 1136] <... set_robust_list resumed>) = 0 [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 161 [pid 1136] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1135] close(17 [pid 1134] close(10 [pid 1133] close(21 [pid 313] close(3 [pid 1136] chdir("./159" [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1136] <... chdir resumed>) = 0 [pid 1135] close(18 [pid 1134] close(11 [pid 1133] close(22 [pid 313] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./169" [pid 1136] <... prctl resumed>) = 0 [pid 1136] setpgid(0, 0 [pid 1135] close(19 [pid 1134] close(12 [pid 1133] close(23 [pid 1136] <... setpgid resumed>) = 0 [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1136] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1135] close(20 [pid 1134] close(13 [pid 1133] close(24 [pid 313] mkdir("./170", 0777 [pid 1136] <... symlink resumed>) = 0 [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1134] close(14 [pid 1133] close(25 [pid 1135] close(21 [pid 313] <... mkdir resumed>) = 0 [pid 1136] <... symlink resumed>) = 0 [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1136] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1135] close(22 [pid 1134] close(15 [pid 1133] close(26 [pid 1136] <... symlink resumed>) = 0 [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1135] close(23 [pid 1134] close(16 [pid 1133] close(27 [pid 1136] <... openat resumed>) = 3 [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] write(3, "1000", 4 [pid 1135] close(24 [pid 1134] close(17 [pid 1136] <... write resumed>) = 4 [pid 1136] close(3) = 0 [pid 1136] symlink("/dev/binderfs", "./binderfs"ci2-android-5-15/strace-static-x86_64: Process 1137 attached ) = 0 [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] close(28 [pid 1137] set_robust_list(0x55555bb49760, 24 [pid 1136] write(1, "executing program\n", 18 executing program [pid 1135] close(25 [pid 1134] close(18 [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 172 [pid 1137] <... set_robust_list resumed>) = 0 [pid 1136] <... write resumed>) = 18 [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] close(29 [pid 1137] rt_sigprocmask(SIG_SETMASK, [] [pid 1136] mkdirat(AT_FDCWD, "./config", 0777 [pid 1135] close(26 [pid 1134] close(19 [pid 1133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1137] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1136] <... mkdirat resumed>) = 0 [pid 1137] chdir("./170" [pid 1136] mount(NULL, "./config", "configfs", 0, NULL [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1133] exit_group(0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1137] <... chdir resumed>) = 0 [pid 1136] <... mount resumed>) = 0 [pid 1137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1136] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1135] close(27 [pid 1134] close(20 [pid 1133] <... exit_group resumed>) = ? [pid 1137] <... prctl resumed>) = 0 [pid 1136] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] setpgid(0, 0 [pid 1136] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1137] <... setpgid resumed>) = 0 [pid 1136] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1137] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1136] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1137] <... symlink resumed>) = 0 [pid 1136] <... mkdirat resumed>) = 0 [pid 1133] +++ exited with 0 +++ [pid 1134] close(21 [pid 1137] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1136] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1135] close(28 [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1137] <... symlink resumed>) = 0 [pid 1136] <... symlinkat resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1137] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1136] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] close(22 [pid 1137] <... symlink resumed>) = 0 [pid 1136] <... unlinkat resumed>) = 0 [pid 1135] close(29 [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1136] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] close(23 [pid 1137] <... openat resumed>) = 3 [pid 1136] <... unlinkat resumed>) = 0 [pid 1137] write(3, "1000", 4 [pid 1136] close(3 [pid 1137] <... write resumed>) = 4 [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] close(3 [pid 1136] close(4 [pid 1135] exit_group(0 [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] <... close resumed>) = 0 [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1135] <... exit_group resumed>) = ? [pid 1134] close(24 [pid 1137] symlink("/dev/binderfs", "./binderfs" [pid 1136] close(5 [pid 1137] <... symlink resumed>) = 0 [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] write(1, "executing program\n", 18 [pid 1136] close(6 [pid 1137] <... write resumed>) = 18 [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] mkdirat(AT_FDCWD, "./config", 0777 [pid 1136] close(7 [pid 1137] <... mkdirat resumed>) = 0 [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1135] +++ exited with 0 +++ [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] mount(NULL, "./config", "configfs", 0, NULL [pid 1136] close(8 [pid 1134] close(25 [pid 1137] <... mount resumed>) = 0 [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1136] close(9 [pid 1134] close(26 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1137] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1136] close(10 [pid 1137] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1136] close(11 [pid 1134] close(27 [pid 1137] <... mkdirat resumed>) = 0 [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1136] close(12 [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] <... symlinkat resumed>) = 0 [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1136] close(13 [pid 1137] <... unlinkat resumed>) = 0 [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] close(28 [pid 1137] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1136] close(14 [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] <... unlinkat resumed>) = 0 [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] close(29 [pid 1137] close(3 [pid 1136] close(15 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] close(4 [pid 1136] close(16 [pid 1134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] close(5 [pid 1136] close(17 [pid 1134] exit_group(0 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1134] <... exit_group resumed>) = ? [pid 1137] close(6 [pid 1136] close(18 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1137] close(7 [pid 1136] close(19 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] close(8 [pid 1136] close(20 [pid 1134] +++ exited with 0 +++ [pid 310] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1137] close(9 [pid 1136] close(21 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1137] close(10 [pid 1136] close(22 [pid 310] fstat(3 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1137] close(11 [pid 1136] close(23 [pid 310] getdents64(3 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1137] close(12 [pid 1136] close(24 [pid 310] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1137] close(13 [pid 1136] close(25 [pid 310] <... umount2 resumed>) = 0 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1137] close(14 [pid 1136] close(26 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./160/config" [pid 1137] close(15 [pid 1136] close(27 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 310] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1137] close(16 [pid 1136] close(28 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./160/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1137] close(17 [pid 1136] close(29 [pid 310] <... openat resumed>) = 4 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 1137] close(18 [pid 1136] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1136] <... exit_group resumed>) = ? [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1137] close(19 [pid 1136] +++ exited with 0 +++ [pid 311] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1137] close(20 [pid 311] fstat(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] close(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1137] close(21 [pid 311] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] rmdir("./160/config" [pid 1137] close(22 [pid 311] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1137] close(23 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./160/binderfs" [pid 1137] close(24 [pid 311] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./160/binderfs" [pid 1137] close(25 [pid 311] newfstatat(AT_FDCWD, "./162/config" [pid 310] <... unlink resumed>) = 0 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./160/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1137] close(26 [pid 311] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./160/cgroup.net" [pid 1137] close(27 [pid 311] openat(AT_FDCWD, "./162/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 310] unlink("./160/cgroup.net" [pid 1137] close(28 [pid 311] fstat(4 [pid 310] <... unlink resumed>) = 0 [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] umount2("./160/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1137] close(29 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./160/cgroup.cpu" [pid 1137] exit_group(0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1137] <... exit_group resumed>) = ? [pid 311] getdents64(4 [pid 310] unlink("./160/cgroup.cpu" [pid 1137] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./160/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./160/cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./162/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... rmdir resumed>) = 0 [pid 310] unlink("./160/cgroup" [pid 312] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 312] fstat(3 [pid 311] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./162/binderfs" [pid 310] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... close resumed>) = 0 [pid 312] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./160" [pid 312] <... umount2 resumed>) = 0 [pid 311] unlink("./162/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 312] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./161", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./167/config" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./162/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1138 attached [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./162/cgroup.net" [pid 1138] set_robust_list(0x55555bb49760, 24 [pid 312] openat(AT_FDCWD, "./167/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 163 [pid 1138] <... set_robust_list resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 311] unlink("./162/cgroup.net" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 312] fstat(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1138] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1138] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] getdents64(4 [pid 311] umount2("./162/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1138] chdir("./161" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1138] <... chdir resumed>) = 0 [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] close(4 [pid 311] newfstatat(AT_FDCWD, "./162/cgroup.cpu" [pid 1138] <... prctl resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1138] setpgid(0, 0 [pid 312] rmdir("./167/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 1138] <... setpgid resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] unlink("./162/cgroup.cpu" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1138] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 312] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1138] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 1138] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 312] newfstatat(AT_FDCWD, "./167/binderfs" [pid 311] umount2("./162/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1138] <... symlink resumed>) = 0 [pid 312] unlink("./167/binderfs" [pid 1138] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1138] <... symlink resumed>) = 0 [pid 312] umount2("./167/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./162/cgroup" [pid 1138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./167/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1138] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./162/cgroup" [pid 309] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1138] write(3, "1000", 4 [pid 312] unlink("./167/cgroup.net" [pid 1138] <... write resumed>) = 4 [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1138] close(3 [pid 312] umount2("./167/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./159/config" [pid 1138] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1138] symlink("/dev/binderfs", "./binderfs" [pid 312] newfstatat(AT_FDCWD, "./167/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1138] <... symlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(3 [pid 309] umount2("./159/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1138] write(1, "executing program\n", 18 [pid 312] unlink("./167/cgroup.cpu" [pid 311] <... close resumed>) = 0 [pid 1138] <... write resumed>) = 18 [pid 313] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./162" [pid 1138] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./167/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./159/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1138] <... mkdirat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./167/cgroup" [pid 311] mkdir("./163", 0777 [pid 1138] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 312] unlink("./167/cgroup" [pid 311] <... mkdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] close(3) = 0 [pid 312] rmdir("./167" [pid 1138] <... mount resumed>) = 0 [pid 313] fstat(3 [pid 312] <... rmdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] fstat(4 [pid 1138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] mkdir("./168", 0777 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1138] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] getdents64(3 [pid 312] <... mkdir resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(4 [pid 1138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1139 attached [pid 1138] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 ci2-android-5-15/strace-static-x86_64: Process 1140 attached [pid 1139] set_robust_list(0x55555bb49760, 24 [pid 1138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 170 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 165 [pid 309] getdents64(4 [pid 1140] set_robust_list(0x55555bb49760, 24 [pid 1139] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1140] <... set_robust_list resumed>) = 0 [pid 1139] rt_sigprocmask(SIG_SETMASK, [] [pid 1138] <... mkdirat resumed>) = 0 [pid 313] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1139] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1140] rt_sigprocmask(SIG_SETMASK, [] [pid 1139] chdir("./163" [pid 1138] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1140] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1139] <... chdir resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(4 [pid 1139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1138] <... symlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./170/config" [pid 1140] chdir("./168" [pid 1139] <... prctl resumed>) = 0 [pid 1138] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... close resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1140] <... chdir resumed>) = 0 [pid 1139] setpgid(0, 0 [pid 1138] <... unlinkat resumed>) = 0 [pid 1140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1139] <... setpgid resumed>) = 0 [pid 1138] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./159/config" [pid 1140] <... prctl resumed>) = 0 [pid 1139] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 1138] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1140] setpgid(0, 0 [pid 1139] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1138] close(3 [pid 313] openat(AT_FDCWD, "./170/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 1140] <... setpgid resumed>) = 0 [pid 1139] <... symlink resumed>) = 0 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1140] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1139] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1138] close(4 [pid 313] <... openat resumed>) = 4 [pid 309] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1140] <... symlink resumed>) = 0 [pid 1139] <... symlink resumed>) = 0 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 1140] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1138] close(5 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1140] <... symlink resumed>) = 0 [pid 1139] <... openat resumed>) = 3 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./159/binderfs" [pid 1139] write(3, "1000", 4 [pid 1140] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1139] <... write resumed>) = 4 [pid 1138] close(6 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1140] <... symlink resumed>) = 0 [pid 1139] close(3 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./159/binderfs" [pid 1140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1139] <... close resumed>) = 0 [pid 1138] close(7 [pid 313] getdents64(4 [pid 1139] symlink("/dev/binderfs", "./binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1140] <... openat resumed>) = 3 [pid 1139] <... symlink resumed>) = 0 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./159/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1140] write(3, "1000", 4 [pid 1139] write(1, "executing program\n", 18 [pid 1138] close(8 [pid 313] close(4 [pid 1140] <... write resumed>) = 4 [pid 1139] <... write resumed>) = 18 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1140] close(3 [pid 1139] mkdirat(AT_FDCWD, "./config", 0777 [pid 1138] close(9 [pid 313] rmdir("./170/config" [pid 309] newfstatat(AT_FDCWD, "./159/cgroup.net" [pid 1140] <... close resumed>) = 0 [pid 1139] <... mkdirat resumed>) = 0 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] mount(NULL, "./config", "configfs", 0, NULL [pid 1140] symlink("/dev/binderfs", "./binderfs" [pid 1139] <... mount resumed>) = 0 [pid 1138] close(10 [pid 313] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1140] <... symlink resumed>) = 0 [pid 1139] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./159/cgroup.net" [pid 1140] write(1, "executing program\n", 18 [pid 1139] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1138] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1140] <... write resumed>) = 18 executing program [pid 1139] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./170/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1140] mkdirat(AT_FDCWD, "./config", 0777 [pid 1139] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1138] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./159/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1140] <... mkdirat resumed>) = 0 [pid 1139] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./170/binderfs" [pid 1140] mount(NULL, "./config", "configfs", 0, NULL [pid 1139] <... mkdirat resumed>) = 0 [pid 1138] close(13 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1139] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... unlink resumed>) = 0 [pid 1140] <... mount resumed>) = 0 [pid 1139] <... symlinkat resumed>) = 0 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./159/cgroup.cpu" [pid 313] umount2("./170/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1140] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1139] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1138] close(14 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1140] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1139] <... unlinkat resumed>) = 0 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./159/cgroup.cpu" [pid 1140] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1139] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1138] close(15 [pid 313] newfstatat(AT_FDCWD, "./170/cgroup.net" [pid 1140] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1139] <... unlinkat resumed>) = 0 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1140] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1139] close(3 [pid 1138] close(16 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./159/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] close(4 [pid 1140] <... mkdirat resumed>) = 0 [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./170/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1140] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1139] close(5 [pid 1138] close(17 [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./159/cgroup" [pid 1140] <... symlinkat resumed>) = 0 [pid 1139] close(6 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./170/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1140] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] close(18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1140] <... unlinkat resumed>) = 0 [pid 1139] close(7 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./159/cgroup" [pid 1140] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] close(19 [pid 313] newfstatat(AT_FDCWD, "./170/cgroup.cpu" [pid 1139] close(8 [pid 309] <... unlink resumed>) = 0 [pid 1140] <... unlinkat resumed>) = 0 [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1140] close(3 [pid 1139] close(9 [pid 1138] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./170/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1140] close(4 [pid 1139] close(10) = -1 EBADF (Bad file descriptor) [pid 1138] close(21 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] close(11 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] close(3 [pid 1140] close(5 [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] close(22 [pid 313] umount2("./170/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] close(12 [pid 309] <... close resumed>) = 0 [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1140] close(6 [pid 1139] close(13 [pid 1138] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./159" [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./170/cgroup" [pid 1140] close(7 [pid 1139] close(14 [pid 1138] close(24 [pid 309] <... rmdir resumed>) = 0 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./160", 0777 [pid 1140] close(8 [pid 1139] close(15 [pid 1138] close(25 [pid 313] unlink("./170/cgroup" [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1140] close(9 [pid 1139] close(16 [pid 1138] close(26 [pid 313] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1140] close(10 [pid 1139] close(17 [pid 1138] close(27 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] close(18 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] close(19) = -1 EBADF (Bad file descriptor) [pid 1139] close(20) = -1 EBADF (Bad file descriptor) [pid 1139] close(21ci2-android-5-15/strace-static-x86_64: Process 1141 attached [pid 1140] close(11 [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] close(28 [pid 313] <... close resumed>) = 0 [pid 1141] set_robust_list(0x55555bb49760, 24 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] close(22 [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./170" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 162 [pid 1141] <... set_robust_list resumed>) = 0 [pid 1140] close(12 [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] close(29 [pid 1141] rt_sigprocmask(SIG_SETMASK, [] [pid 1139] close(23 [pid 313] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1141] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./171", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1141] chdir("./160" [pid 1140] close(13 [pid 1139] close(24 [pid 1141] <... chdir resumed>) = 0 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] exit_group(0 [pid 313] <... mkdir resumed>) = 0 [pid 1141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1140] close(14 [pid 1139] close(25 [pid 1138] <... exit_group resumed>) = ? [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1141] <... prctl resumed>) = 0 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] setpgid(0, 0 [pid 1139] close(26 [pid 1141] <... setpgid resumed>) = 0 [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1139] close(27 [pid 1141] <... symlink resumed>) = 0 [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1139] close(28 [pid 1141] <... symlink resumed>) = 0 [pid 1140] close(15 [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1138] +++ exited with 0 +++ [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1141] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] close(29 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1141] <... symlink resumed>) = 0 [pid 1140] close(16 [pid 1139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1139] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 1142 attached [pid 1141] <... openat resumed>) = 3 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1139] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 1142] set_robust_list(0x55555bb49760, 24 [pid 1141] write(3, "1000", 4 [pid 1140] close(17 [pid 1139] +++ exited with 0 +++ [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 173 [pid 1142] <... set_robust_list resumed>) = 0 [pid 1141] <... write resumed>) = 4 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1142] rt_sigprocmask(SIG_SETMASK, [] [pid 1141] close(3 [pid 1140] close(18 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1142] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1141] <... close resumed>) = 0 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1142] chdir("./171" [pid 1141] symlink("/dev/binderfs", "./binderfs" [pid 1140] close(19 [pid 310] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1142] <... chdir resumed>) = 0 [pid 1141] <... symlink resumed>) = 0 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1141] write(1, "executing program\n", 18 [pid 1140] close(20 [pid 310] fstat(3 [pid 1142] <... prctl resumed>) = 0 [pid 1141] <... write resumed>) = 18 executing program [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1142] setpgid(0, 0 [pid 1141] mkdirat(AT_FDCWD, "./config", 0777 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1142] <... setpgid resumed>) = 0 [pid 1141] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1142] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1141] mount(NULL, "./config", "configfs", 0, NULL [pid 1140] close(21 [pid 310] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1142] <... symlink resumed>) = 0 [pid 1141] <... mount resumed>) = 0 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 1142] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1140] close(22 [pid 310] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1142] <... symlink resumed>) = 0 [pid 1141] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1142] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1140] close(23 [pid 310] newfstatat(AT_FDCWD, "./161/config" [pid 1142] <... symlink resumed>) = 0 [pid 1141] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1142] <... openat resumed>) = 3 [pid 1141] <... mkdirat resumed>) = 0 [pid 1140] close(24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1142] write(3, "1000", 4 [pid 1141] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./161/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1142] <... write resumed>) = 4 [pid 1141] <... symlinkat resumed>) = 0 [pid 1140] close(25 [pid 310] <... openat resumed>) = 4 [pid 1142] close(3 [pid 1141] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(4 [pid 1142] <... close resumed>) = 0 [pid 1141] <... unlinkat resumed>) = 0 [pid 1140] close(26 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1142] symlink("/dev/binderfs", "./binderfs" [pid 1141] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1142] <... symlink resumed>) = 0 [pid 1141] <... unlinkat resumed>) = 0 [pid 1140] close(27 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1142] write(1, "executing program\n", 18 [pid 1141] close(3 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 executing program [pid 1142] <... write resumed>) = 18 [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1140] close(28 [pid 1142] mkdirat(AT_FDCWD, "./config", 0777 [pid 1141] close(4 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 1142] <... mkdirat resumed>) = 0 [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1140] close(29 [pid 310] <... close resumed>) = 0 [pid 1142] mount(NULL, "./config", "configfs", 0, NULL [pid 1141] close(5 [pid 1140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./161/config" [pid 1142] <... mount resumed>) = 0 [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1141] close(6 [pid 1140] exit_group(0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1142] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1140] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1141] close(7 [pid 310] newfstatat(AT_FDCWD, "./161/binderfs" [pid 1142] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1141] close(8 [pid 310] unlink("./161/binderfs" [pid 1142] <... mkdirat resumed>) = 0 [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1140] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 1142] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1141] close(9 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./161/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1142] <... symlinkat resumed>) = 0 [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1142] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1141] close(10 [pid 311] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./161/cgroup.net" [pid 1142] <... unlinkat resumed>) = 0 [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1142] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1141] close(11 [pid 310] unlink("./161/cgroup.net" [pid 1142] <... unlinkat resumed>) = 0 [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 310] <... unlink resumed>) = 0 [pid 1142] close(3 [pid 1141] close(12 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./161/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1142] close(4 [pid 1141] close(13 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] newfstatat(AT_FDCWD, "./161/cgroup.cpu" [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1142] close(5 [pid 1141] close(14 [pid 310] unlink("./161/cgroup.cpu" [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1142] close(6 [pid 1141] close(15 [pid 311] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./161/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1142] close(7 [pid 1141] close(16 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./161/cgroup" [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./163/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1142] close(8 [pid 1141] close(17 [pid 310] unlink("./161/cgroup" [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1142] close(9 [pid 1141] close(18 [pid 310] getdents64(3 [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1142] close(10 [pid 1141] close(19 [pid 310] close(3 [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1142] close(11 [pid 1141] close(20 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./161" [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./163/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 1142] close(12 [pid 1141] close(21 [pid 311] <... openat resumed>) = 4 [pid 310] mkdir("./162", 0777 [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 310] <... mkdir resumed>) = 0 [pid 1142] close(13 [pid 1141] close(22 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1142] close(14 [pid 1141] close(23 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4ci2-android-5-15/strace-static-x86_64: Process 1143 attached [pid 1142] close(15 [pid 1141] close(24 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 164 [pid 1143] set_robust_list(0x55555bb49760, 24 [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1143] <... set_robust_list resumed>) = 0 [pid 1142] close(16 [pid 1141] close(25 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1143] rt_sigprocmask(SIG_SETMASK, [] [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1143] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1142] close(17 [pid 1141] close(26 [pid 311] rmdir("./163/config" [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1143] chdir("./162" [pid 1142] close(18 [pid 1141] close(27 [pid 1143] <... chdir resumed>) = 0 [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1142] close(19 [pid 1141] close(28 [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1143] <... prctl resumed>) = 0 [pid 1142] close(20 [pid 1141] close(29 [pid 1143] setpgid(0, 0 [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1143] <... setpgid resumed>) = 0 [pid 1142] close(21 [pid 1141] exit_group(0 [pid 1143] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1141] <... exit_group resumed>) = ? [pid 311] newfstatat(AT_FDCWD, "./163/binderfs" [pid 1143] <... symlink resumed>) = 0 [pid 1142] close(22 [pid 1141] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1143] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./163/binderfs" [pid 1143] <... symlink resumed>) = 0 [pid 1142] close(23) = -1 EBADF (Bad file descriptor) [pid 1142] close(24) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1143] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1142] close(25 [pid 311] umount2("./163/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1143] <... symlink resumed>) = 0 [pid 1142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1142] close(26) = -1 EBADF (Bad file descriptor) [pid 1142] close(27) = -1 EBADF (Bad file descriptor) [pid 1142] close(28) = -1 EBADF (Bad file descriptor) [pid 1142] close(29) = -1 EBADF (Bad file descriptor) [pid 1142] exit_group(0 [pid 312] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1142] <... exit_group resumed>) = ? [pid 1143] <... openat resumed>) = 3 [pid 1142] +++ exited with 0 +++ [pid 312] <... openat resumed>) = 3 [pid 311] newfstatat(AT_FDCWD, "./163/cgroup.net" [pid 1143] write(3, "1000", 4 [pid 312] fstat(3 [pid 1143] <... write resumed>) = 4 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1143] close(3 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] getdents64(3 [pid 311] unlink("./163/cgroup.net" [pid 1143] <... close resumed>) = 0 [pid 1143] symlink("/dev/binderfs", "./binderfs" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1143] <... symlink resumed>) = 0 [pid 312] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./163/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1143] write(1, "executing program\n", 18 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1143] <... write resumed>) = 18 [pid 312] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./163/cgroup.cpu" [pid 309] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1143] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1143] <... mkdirat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 1143] mount(NULL, "./config", "configfs", 0, NULL [pid 312] newfstatat(AT_FDCWD, "./168/config" [pid 311] unlink("./163/cgroup.cpu" [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1143] <... mount resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1143] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./163/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] openat(AT_FDCWD, "./168/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1143] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./160/config" [pid 1143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... openat resumed>) = 4 [pid 311] newfstatat(AT_FDCWD, "./163/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./160/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1143] <... mkdirat resumed>) = 0 [pid 313] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1143] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./160/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1143] <... symlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1143] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] getdents64(4 [pid 311] unlink("./163/cgroup" [pid 309] fstat(4 [pid 1143] <... unlinkat resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1143] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] fstat(3 [pid 312] getdents64(4 [pid 311] <... unlink resumed>) = 0 [pid 309] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1143] <... unlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1143] close(3 [pid 313] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] getdents64(3 [pid 309] close(4 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] close(4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 1143] close(4 [pid 313] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 311] close(3 [pid 309] rmdir("./160/config" [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 312] rmdir("./168/config" [pid 1143] close(5 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 309] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 311] rmdir("./163" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1143] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./160/binderfs" [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./171/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdir("./164", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1143] close(7 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./168/binderfs" [pid 309] unlink("./160/binderfs" [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1143] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./168/binderfs" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./160/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./171/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1143] close(9 [pid 313] <... openat resumed>) = 4 [pid 312] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./160/cgroup.net" [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] umount2("./168/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1143] close(10 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] unlink("./160/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./160/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./160/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1144 attached [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] newfstatat(AT_FDCWD, "./168/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1144] set_robust_list(0x55555bb49760, 24 [pid 1143] close(11 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 166 [pid 309] unlink("./160/cgroup.cpu" [pid 1144] <... set_robust_list resumed>) = 0 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] unlink("./168/cgroup.net" [pid 309] <... unlink resumed>) = 0 [pid 1144] rt_sigprocmask(SIG_SETMASK, [] [pid 1143] close(12 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./160/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1144] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1144] chdir("./164" [pid 1143] close(13 [pid 313] <... close resumed>) = 0 [pid 312] umount2("./168/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./160/cgroup" [pid 1144] <... chdir resumed>) = 0 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./171/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1143] close(14 [pid 309] unlink("./160/cgroup" [pid 1144] <... prctl resumed>) = 0 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./168/cgroup.cpu" [pid 309] <... unlink resumed>) = 0 [pid 1144] setpgid(0, 0 [pid 1143] close(15 [pid 313] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1144] <... setpgid resumed>) = 0 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] unlink("./168/cgroup.cpu" [pid 1144] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1143] close(16 [pid 313] newfstatat(AT_FDCWD, "./171/binderfs" [pid 309] close(3 [pid 1144] <... symlink resumed>) = 0 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1144] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1143] close(17 [pid 313] unlink("./171/binderfs" [pid 312] umount2("./168/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./160" [pid 1144] <... symlink resumed>) = 0 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1144] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1143] close(18 [pid 313] umount2("./171/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./168/cgroup" [pid 309] mkdir("./161", 0777 [pid 1144] <... symlink resumed>) = 0 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1143] close(19 [pid 313] newfstatat(AT_FDCWD, "./171/cgroup.net" [pid 312] unlink("./168/cgroup" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1144] <... openat resumed>) = 3 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1144] write(3, "1000", 4 [pid 1143] close(20 [pid 313] unlink("./171/cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1144] <... write resumed>) = 4 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(3ci2-android-5-15/strace-static-x86_64: Process 1145 attached [pid 1144] close(3 [pid 1143] close(21 [pid 313] umount2("./171/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 163 [pid 1145] set_robust_list(0x55555bb49760, 24 [pid 1144] <... close resumed>) = 0 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1145] <... set_robust_list resumed>) = 0 [pid 1144] symlink("/dev/binderfs", "./binderfs" [pid 1143] close(22 [pid 313] newfstatat(AT_FDCWD, "./171/cgroup.cpu" [pid 312] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1145] rt_sigprocmask(SIG_SETMASK, [] [pid 1144] <... symlink resumed>) = 0 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rmdir("./168" [pid 1145] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1144] write(1, "executing program\n", 18 [pid 1143] close(23 executing program [pid 313] unlink("./171/cgroup.cpu" [pid 1145] chdir("./161" [pid 1144] <... write resumed>) = 18 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1145] <... chdir resumed>) = 0 [pid 1144] mkdirat(AT_FDCWD, "./config", 0777 [pid 1143] close(24 [pid 313] <... unlink resumed>) = 0 [pid 312] mkdir("./169", 0777 [pid 1145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1144] <... mkdirat resumed>) = 0 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./171/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1145] <... prctl resumed>) = 0 [pid 1144] mount(NULL, "./config", "configfs", 0, NULL [pid 1143] close(25 [pid 312] <... mkdir resumed>) = 0 [pid 1145] setpgid(0, 0 [pid 1144] <... mount resumed>) = 0 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1145] <... setpgid resumed>) = 0 [pid 1144] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1143] close(26 [pid 313] newfstatat(AT_FDCWD, "./171/cgroup" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1145] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1145] <... symlink resumed>) = 0 [pid 1144] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1143] close(27 [pid 313] unlink("./171/cgroup" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1145] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1144] <... mkdirat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1144] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 1146 attached [pid 1145] <... symlink resumed>) = 0 [pid 1144] <... symlinkat resumed>) = 0 [pid 1143] close(28 [pid 1146] set_robust_list(0x55555bb49760, 24 [pid 1145] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1144] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 171 [pid 1146] <... set_robust_list resumed>) = 0 [pid 1145] <... symlink resumed>) = 0 [pid 1144] <... unlinkat resumed>) = 0 [pid 1143] close(29 [pid 1146] rt_sigprocmask(SIG_SETMASK, [] [pid 1145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1144] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1146] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1145] <... openat resumed>) = 3 [pid 1144] <... unlinkat resumed>) = 0 [pid 1143] exit_group(0 [pid 313] close(3 [pid 1146] chdir("./169" [pid 1145] write(3, "1000", 4 [pid 1144] close(3 [pid 1143] <... exit_group resumed>) = ? [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1146] <... chdir resumed>) = 0 [pid 1145] <... write resumed>) = 4 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1144] close(4 [pid 1146] <... prctl resumed>) = 0 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] setpgid(0, 0 [pid 1144] close(5 [pid 1146] <... setpgid resumed>) = 0 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1144] close(6 [pid 1143] +++ exited with 0 +++ [pid 1146] <... symlink resumed>) = 0 [pid 1145] close(3 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./171" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1146] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1145] <... close resumed>) = 0 [pid 1144] close(7 [pid 313] <... rmdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1146] <... symlink resumed>) = 0 [pid 1145] symlink("/dev/binderfs", "./binderfs" [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./172", 0777 [pid 1146] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1144] close(8 [pid 1146] <... symlink resumed>) = 0 [pid 1145] <... symlink resumed>) = 0 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1145] write(1, "executing program\n", 18 executing program [pid 1144] close(9 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1146] <... openat resumed>) = 3 [pid 1145] <... write resumed>) = 18 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1146] write(3, "1000", 4 [pid 1144] close(10 [pid 1145] mkdirat(AT_FDCWD, "./config", 0777 [pid 1146] <... write resumed>) = 4 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1146] close(3 [pid 1145] <... mkdirat resumed>) = 0 [pid 1144] close(11 [pid 1146] <... close resumed>) = 0 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] symlink("/dev/binderfs", "./binderfs" [pid 1144] close(12ci2-android-5-15/strace-static-x86_64: Process 1147 attached [pid 1146] <... symlink resumed>) = 0 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] mount(NULL, "./config", "configfs", 0, NULL [pid 1147] set_robust_list(0x55555bb49760, 24 [pid 1146] write(1, "executing program\n", 18 [pid 1144] close(13 [pid 1147] <... set_robust_list resumed>) = 0 executing program [pid 1146] <... write resumed>) = 18 [pid 1145] <... mount resumed>) = 0 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 174 [pid 1147] rt_sigprocmask(SIG_SETMASK, [] [pid 1146] mkdirat(AT_FDCWD, "./config", 0777 [pid 1145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1144] close(14 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1147] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1146] <... mkdirat resumed>) = 0 [pid 1145] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] chdir("./172" [pid 1146] mount(NULL, "./config", "configfs", 0, NULL [pid 1145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1144] close(15 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1147] <... chdir resumed>) = 0 [pid 1146] <... mount resumed>) = 0 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1145] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1144] close(16 [pid 1147] <... prctl resumed>) = 0 [pid 1146] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] setpgid(0, 0 [pid 1146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1144] close(17 [pid 1147] <... setpgid resumed>) = 0 [pid 1146] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1144] close(18 [pid 1147] <... symlink resumed>) = 0 [pid 1146] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1145] <... mkdirat resumed>) = 0 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1146] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1145] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1144] close(19 [pid 1147] <... symlink resumed>) = 0 [pid 1146] <... symlinkat resumed>) = 0 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1146] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1145] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1144] close(20 [pid 1147] <... symlink resumed>) = 0 [pid 1146] <... unlinkat resumed>) = 0 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1146] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1145] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1144] close(21 [pid 1147] <... openat resumed>) = 3 [pid 1146] <... unlinkat resumed>) = 0 [pid 1145] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] write(3, "1000", 4 [pid 1146] close(3 [pid 1145] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1144] close(22 [pid 1147] <... write resumed>) = 4 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] close(3 [pid 1146] close(4 [pid 1145] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1144] close(23 [pid 1147] <... close resumed>) = 0 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] close(3 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] symlink("/dev/binderfs", "./binderfs" [pid 1146] close(5 [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1144] close(24 [pid 1147] <... symlink resumed>) = 0 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] write(1, "executing program\n", 18 [pid 1146] close(6 [pid 1144] close(25 [pid 1147] <... write resumed>) = 18 executing program [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] close(4 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] mkdirat(AT_FDCWD, "./config", 0777 [pid 1146] close(7 [pid 1144] close(26 [pid 1147] <... mkdirat resumed>) = 0 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] mount(NULL, "./config", "configfs", 0, NULL [pid 1146] close(8 [pid 1145] close(5 [pid 1144] close(27 [pid 1147] <... mount resumed>) = 0 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1146] close(9 [pid 1145] close(6 [pid 1144] close(28 [pid 1147] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1144] close(29 [pid 1147] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1146] close(10 [pid 1145] close(7 [pid 1144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1144] exit_group(0 [pid 1147] <... mkdirat resumed>) = 0 [pid 1146] close(11 [pid 1145] close(8 [pid 1144] <... exit_group resumed>) = ? [pid 1147] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1144] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 1147] <... symlinkat resumed>) = 0 [pid 1146] close(12 [pid 1145] close(9 [pid 1147] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] <... unlinkat resumed>) = 0 [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1147] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1146] close(13 [pid 1145] close(10 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1147] <... unlinkat resumed>) = 0 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] close(3) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1145] close(11 [pid 1147] close(4 [pid 1146] close(14 [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] close(12 [pid 1147] close(5 [pid 1146] close(15 [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] close(13 [pid 1147] close(6 [pid 1146] close(16 [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] close(14 [pid 1147] close(7 [pid 1146] close(17 [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] close(8 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] close(15 [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] close(18 [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1147] close(9 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] close(16 [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] close(19 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1147] close(10) = -1 EBADF (Bad file descriptor) [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1147] close(11 [pid 1146] close(20 [pid 1145] close(17 [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] close(12) = -1 EBADF (Bad file descriptor) [pid 1147] close(13 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] close(21 [pid 1145] close(18 [pid 310] <... umount2 resumed>) = 0 [pid 1147] close(14 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] close(15) = -1 EBADF (Bad file descriptor) [pid 1146] close(22 [pid 1145] close(19 [pid 310] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1147] close(16 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] close(23 [pid 1145] close(20 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1147] close(17 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./162/config" [pid 1147] close(18 [pid 1146] close(24 [pid 1145] close(21 [pid 311] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1147] close(19 [pid 1146] close(25 [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 310] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] close(22 [pid 311] fstat(3 [pid 1147] close(20 [pid 1146] close(26 [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] close(23 [pid 311] getdents64(3 [pid 310] openat(AT_FDCWD, "./162/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1147] close(21 [pid 1146] close(27 [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1147] close(22) = -1 EBADF (Bad file descriptor) [pid 1147] close(23) = -1 EBADF (Bad file descriptor) [pid 1147] close(24) = -1 EBADF (Bad file descriptor) [pid 1147] close(25) = -1 EBADF (Bad file descriptor) [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] close(24 [pid 310] <... openat resumed>) = 4 [pid 1147] close(26 [pid 1146] close(28 [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] close(25 [pid 1147] close(27 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] close(29 [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1147] close(28 [pid 1146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1145] close(26 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1146] exit_group(0 [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./164/config" [pid 310] getdents64(4 [pid 1147] close(29 [pid 1146] <... exit_group resumed>) = ? [pid 1145] close(27 [pid 1147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1147] exit_group(0) = ? [pid 1147] +++ exited with 0 +++ [pid 1146] +++ exited with 0 +++ [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 1145] close(28 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1145] close(29 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=171, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 311] openat(AT_FDCWD, "./164/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./162/config" [pid 1145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... openat resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 1145] exit_group(0 [pid 311] fstat(4 [pid 310] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1145] <... exit_group resumed>) = ? [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1145] +++ exited with 0 +++ [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./162/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] unlink("./162/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] close(4 [pid 310] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 311] rmdir("./164/config" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./162/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 311] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./162/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./164/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./162/cgroup.net" [pid 311] unlink("./164/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./162/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./164/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./162/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./164/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./162/cgroup.cpu" [pid 311] unlink("./164/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./162/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./164/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./162/cgroup" [pid 311] newfstatat(AT_FDCWD, "./164/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./162/cgroup" [pid 311] unlink("./164/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 311] umount2("./164/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 311] newfstatat(AT_FDCWD, "./164/cgroup" [pid 310] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./162" [pid 311] unlink("./164/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./163", 0777 [pid 311] <... unlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 312] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] close(3 [pid 312] <... openat resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] fstat(3 [pid 311] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1148 attached [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] rmdir("./164" [pid 1148] set_robust_list(0x55555bb49760, 24 [pid 312] getdents64(3 [pid 1148] <... set_robust_list resumed>) = 0 [pid 1148] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 165 [pid 1148] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] mkdir("./165", 0777 [pid 1148] chdir("./163" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1148] <... chdir resumed>) = 0 [pid 1148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1148] setpgid(0, 0) = 0 [pid 1148] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 1148] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1148] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 312] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1148] <... symlink resumed>) = 0 [pid 1148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1148] write(3, "1000", 4 [pid 312] newfstatat(AT_FDCWD, "./169/config" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1148] <... write resumed>) = 4 [pid 1148] close(3) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1148] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1148] write(1, "executing program\n", 18) = 18 executing program ci2-android-5-15/strace-static-x86_64: Process 1149 attached [pid 1148] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1149] set_robust_list(0x55555bb49760, 24 [pid 1148] <... mkdirat resumed>) = 0 [pid 1149] <... set_robust_list resumed>) = 0 [pid 1148] mount(NULL, "./config", "configfs", 0, NULL [pid 1149] rt_sigprocmask(SIG_SETMASK, [] [pid 1148] <... mount resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 167 [pid 1149] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1148] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] openat(AT_FDCWD, "./169/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1149] chdir("./165" [pid 1148] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... openat resumed>) = 4 [pid 1149] <... chdir resumed>) = 0 [pid 1148] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] fstat(4 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1148] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1149] <... prctl resumed>) = 0 [pid 1148] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] fstat(3 [pid 312] getdents64(4 [pid 1149] setpgid(0, 0 [pid 1148] <... mkdirat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1149] <... setpgid resumed>) = 0 [pid 1148] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] getdents64(3 [pid 1149] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1148] <... symlinkat resumed>) = 0 [pid 312] getdents64(4 [pid 1149] <... symlink resumed>) = 0 [pid 1148] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1149] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1148] <... unlinkat resumed>) = 0 [pid 313] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(4 [pid 1149] <... symlink resumed>) = 0 [pid 1148] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1149] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1148] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 1149] <... symlink resumed>) = 0 [pid 1148] close(3 [pid 313] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./169/config" [pid 309] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1149] <... openat resumed>) = 3 [pid 1148] close(4 [pid 312] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./172/config" [pid 1149] write(3, "1000", 4 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1149] <... write resumed>) = 4 [pid 1148] close(5 [pid 1149] close(3 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1149] <... close resumed>) = 0 [pid 1148] close(6 [pid 313] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1149] symlink("/dev/binderfs", "./binderfs" [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 1149] <... symlink resumed>) = 0 [pid 1148] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./169/binderfs" [pid 309] fstat(3 [pid 1149] write(1, "executing program\n", 18 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./172/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1149] <... write resumed>) = 18 executing program [pid 1148] close(8 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1149] mkdirat(AT_FDCWD, "./config", 0777 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] unlink("./169/binderfs" [pid 1149] <... mkdirat resumed>) = 0 [pid 1148] close(9 [pid 313] fstat(4 [pid 309] getdents64(3 [pid 1149] mount(NULL, "./config", "configfs", 0, NULL [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1149] <... mount resumed>) = 0 [pid 1148] close(10 [pid 313] getdents64(4 [pid 312] umount2("./169/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1149] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1148] close(11 [pid 313] getdents64(4 [pid 312] newfstatat(AT_FDCWD, "./169/cgroup.net" [pid 1149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1149] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1148] close(12 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] unlink("./169/cgroup.net" [pid 309] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1149] <... mkdirat resumed>) = 0 [pid 1148] close(13 [pid 313] <... close resumed>) = 0 [pid 1149] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1149] <... symlinkat resumed>) = 0 [pid 1148] close(14 [pid 313] rmdir("./172/config" [pid 312] umount2("./169/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./161/config" [pid 1149] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1149] <... unlinkat resumed>) = 0 [pid 1148] close(15 [pid 313] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./169/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1149] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1149] <... unlinkat resumed>) = 0 [pid 1148] close(16 [pid 313] newfstatat(AT_FDCWD, "./172/binderfs" [pid 309] umount2("./161/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./169/cgroup.cpu" [pid 1149] close(3 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] close(17 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1149] close(4 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./172/binderfs" [pid 312] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./161/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] close(18 [pid 313] <... unlink resumed>) = 0 [pid 1149] close(5 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./172/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./169/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 1149] close(6 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./172/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./169/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1149] close(7 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./172/cgroup.net" [pid 312] unlink("./169/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] close(21 [pid 1149] close(8 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] close(22 [pid 313] umount2("./172/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 309] getdents64(4 [pid 1149] close(9 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1149] close(10 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./172/cgroup.cpu" [pid 312] close(3 [pid 309] close(4 [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 1149] close(11 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./172/cgroup.cpu" [pid 312] rmdir("./169" [pid 309] <... close resumed>) = 0 [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] close(25 [pid 313] <... unlink resumed>) = 0 [pid 1149] close(12 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./172/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 309] rmdir("./161/config" [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./170", 0777 [pid 1149] close(13 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] close(27 [pid 313] newfstatat(AT_FDCWD, "./172/cgroup" [pid 312] <... mkdir resumed>) = 0 [pid 1149] close(14 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] close(28 [pid 313] unlink("./172/cgroup" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1149] close(15 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] close(29 [pid 313] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./161/binderfs" [pid 1149] close(16 [pid 1148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] exit_group(0 [pid 1149] close(17 [pid 1148] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1150 attached [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1148] +++ exited with 0 +++ [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1150] set_robust_list(0x55555bb49760, 24 [pid 1149] close(18 [pid 313] close(3 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 172 [pid 309] unlink("./161/binderfs" [pid 1150] <... set_robust_list resumed>) = 0 [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1149] close(19 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... unlink resumed>) = 0 [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./172" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1150] rt_sigprocmask(SIG_SETMASK, [] [pid 1149] close(20 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./161/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1150] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1150] chdir("./170" [pid 1149] close(21 [pid 313] mkdir("./173", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1150] <... chdir resumed>) = 0 [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1149] close(22 [pid 313] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./161/cgroup.net" [pid 1150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... prctl resumed>) = 0 [pid 1149] close(23 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1150] setpgid(0, 0 [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] unlink("./161/cgroup.net" [pid 1150] <... setpgid resumed>) = 0 [pid 1149] close(24 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1150] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1149] close(25) = -1 EBADF (Bad file descriptor) [pid 1149] close(26) = -1 EBADF (Bad file descriptor) [pid 1149] close(27) = -1 EBADF (Bad file descriptor) [pid 1149] close(28) = -1 EBADF (Bad file descriptor) [pid 1149] close(29) = -1 EBADF (Bad file descriptor) [pid 1149] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1151 attached [pid 1150] <... symlink resumed>) = 0 [pid 1149] +++ exited with 0 +++ [pid 309] umount2("./161/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1151] set_robust_list(0x55555bb49760, 24 [pid 1150] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 175 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1151] <... set_robust_list resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1151] rt_sigprocmask(SIG_SETMASK, [] [pid 1150] <... symlink resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1151] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1150] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./161/cgroup.cpu" [pid 1151] chdir("./173") = 0 [pid 1150] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] unlink("./161/cgroup.cpu" [pid 1151] <... prctl resumed>) = 0 [pid 1151] setpgid(0, 0) = 0 [pid 1151] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 1150] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 1151] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1150] write(3, "1000", 4 [pid 309] umount2("./161/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1151] <... symlink resumed>) = 0 [pid 1151] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1150] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1151] <... symlink resumed>) = 0 [pid 1150] close(3 [pid 309] newfstatat(AT_FDCWD, "./161/cgroup" [pid 1151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1150] <... close resumed>) = 0 [pid 1151] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1150] symlink("/dev/binderfs", "./binderfs" [pid 1151] write(3, "1000", 4 [pid 309] unlink("./161/cgroup" [pid 1151] <... write resumed>) = 4 [pid 1150] <... symlink resumed>) = 0 [pid 1151] close(3 [pid 309] <... unlink resumed>) = 0 [pid 1151] <... close resumed>) = 0 [pid 1150] write(1, "executing program\n", 18 [pid 1151] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(3 [pid 1151] <... symlink resumed>) = 0 [pid 1150] <... write resumed>) = 18 [pid 1151] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1151] <... write resumed>) = 18 [pid 1150] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(3 [pid 1151] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1150] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 executing program executing program [pid 1151] mount(NULL, "./config", "configfs", 0, NULL [pid 1150] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rmdir("./161" [pid 1151] <... mount resumed>) = 0 [pid 1151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1150] <... mount resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1150] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] mkdir("./162", 0777 [pid 1151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1150] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1151] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1150] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1151] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1151] <... symlinkat resumed>) = 0 [pid 1150] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... restart_syscall resumed>) = 0 [pid 1151] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1150] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1151] <... unlinkat resumed>) = 0 [pid 1151] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1150] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1151] <... unlinkat resumed>) = 0 [pid 1150] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1151] close(3) = -1 EBADF (Bad file descriptor) [pid 1151] close(4) = -1 EBADF (Bad file descriptor) [pid 1151] close(5) = -1 EBADF (Bad file descriptor) [pid 1151] close(6) = -1 EBADF (Bad file descriptor) [pid 1151] close(7ci2-android-5-15/strace-static-x86_64: Process 1152 attached ) = -1 EBADF (Bad file descriptor) [pid 1152] set_robust_list(0x55555bb49760, 24 [pid 1151] close(8 [pid 1150] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 164 [pid 1152] <... set_robust_list resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1152] rt_sigprocmask(SIG_SETMASK, [] [pid 1151] close(9 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1152] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1152] chdir("./162" [pid 1151] close(10 [pid 1150] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1152] <... chdir resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1151] close(11 [pid 1150] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] fstat(3 [pid 1152] <... prctl resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] setpgid(0, 0 [pid 1151] close(12 [pid 1150] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1152] <... setpgid resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1151] close(13 [pid 1150] close(4 [pid 310] getdents64(3 [pid 1152] <... symlink resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1151] close(14 [pid 1152] <... symlink resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1152] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1151] close(15 [pid 1150] close(5 [pid 310] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1152] <... symlink resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1151] close(16 [pid 1150] close(6 [pid 310] <... umount2 resumed>) = 0 [pid 1152] <... openat resumed>) = 3 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] write(3, "1000", 4 [pid 1151] close(17 [pid 1150] close(7 [pid 311] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1152] <... write resumed>) = 4 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1152] close(3 [pid 1151] close(18 [pid 1150] close(8 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1152] <... close resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./163/config" [pid 1152] symlink("/dev/binderfs", "./binderfs" [pid 1151] close(19 [pid 1150] close(9 [pid 1152] <... symlink resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1152] write(1, "executing program\n", 18 [pid 1151] close(20 [pid 1150] close(10 [pid 311] fstat(3 [pid 1152] <... write resumed>) = 18 executing program [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1152] mkdirat(AT_FDCWD, "./config", 0777 [pid 1151] close(21 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1152] <... mkdirat resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] close(11 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1152] mount(NULL, "./config", "configfs", 0, NULL [pid 1151] close(22 [pid 311] getdents64(3 [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] <... mount resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] openat(AT_FDCWD, "./163/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1151] close(23 [pid 1150] close(12 [pid 311] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1152] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1151] close(24 [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 1152] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] close(13 [pid 311] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 1152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1151] close(25 [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] <... mkdirat resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] close(14 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1152] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1151] close(26 [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./165/config" [pid 310] getdents64(4 [pid 1152] <... symlinkat resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] close(15 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1152] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1151] close(27 [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1152] <... unlinkat resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] close(16 [pid 310] getdents64(4 [pid 1152] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1151] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] <... unlinkat resumed>) = 0 [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1152] close(3 [pid 1151] close(29 [pid 1150] close(17 [pid 311] openat(AT_FDCWD, "./165/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(4 [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] close(4 [pid 1151] exit_group(0 [pid 1150] close(18 [pid 311] <... openat resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1151] <... exit_group resumed>) = ? [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 310] rmdir("./163/config" [pid 1152] close(5 [pid 1151] +++ exited with 0 +++ [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] close(6) = -1 EBADF (Bad file descriptor) [pid 1152] close(7) = -1 EBADF (Bad file descriptor) [pid 1152] close(8) = -1 EBADF (Bad file descriptor) [pid 1152] close(9 [pid 1150] close(19 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 311] getdents64(4 [pid 1152] close(10 [pid 1150] close(20 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=175, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 310] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1152] close(11 [pid 1150] close(21 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./163/binderfs" [pid 1152] close(12 [pid 1150] close(22 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1152] close(13) = -1 EBADF (Bad file descriptor) [pid 1150] close(23 [pid 311] close(4 [pid 310] unlink("./163/binderfs" [pid 1152] close(14 [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] close(24 [pid 311] rmdir("./165/config" [pid 310] <... unlink resumed>) = 0 [pid 1152] close(15 [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1150] close(25 [pid 310] umount2("./163/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1152] close(16 [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] close(26 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1152] close(17 [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] close(27 [pid 311] newfstatat(AT_FDCWD, "./165/binderfs" [pid 310] newfstatat(AT_FDCWD, "./163/cgroup.net" [pid 1152] close(18 [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] close(28 [pid 311] unlink("./165/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1152] close(19 [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1150] close(29 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./163/cgroup.net" [pid 1152] close(20 [pid 1150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./165/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1152] close(21 [pid 1150] exit_group(0 [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] close(22 [pid 1150] <... exit_group resumed>) = ? [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./163/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1152] close(23) = -1 EBADF (Bad file descriptor) [pid 1152] close(24) = -1 EBADF (Bad file descriptor) [pid 1152] close(25) = -1 EBADF (Bad file descriptor) [pid 1152] close(26) = -1 EBADF (Bad file descriptor) [pid 1152] close(27) = -1 EBADF (Bad file descriptor) [pid 1152] close(28) = -1 EBADF (Bad file descriptor) [pid 1150] +++ exited with 0 +++ [pid 1152] close(29) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./165/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1152] exit_group(0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./163/cgroup.cpu" [pid 1152] <... exit_group resumed>) = ? [pid 1152] +++ exited with 0 +++ [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] unlink("./165/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./163/cgroup.cpu" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./165/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./163/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./165/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./163/cgroup" [pid 312] <... openat resumed>) = 3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] fstat(3 [pid 311] unlink("./165/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./163/cgroup" [pid 312] getdents64(3 [pid 311] umount2("./165/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... unlink resumed>) = 0 [pid 312] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./165/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 312] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./165/cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./163" [pid 312] newfstatat(AT_FDCWD, "./170/config" [pid 311] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] mkdir("./164", 0777 [pid 312] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 310] <... mkdir resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./165" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] openat(AT_FDCWD, "./170/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... openat resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] fstat(4 [pid 311] mkdir("./166", 0777ci2-android-5-15/strace-static-x86_64: Process 1153 attached [pid 1153] set_robust_list(0x55555bb49760, 24 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 166 [pid 1153] <... set_robust_list resumed>) = 0 [pid 312] getdents64(4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1153] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1153] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1153] chdir("./164" [pid 313] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1153] <... chdir resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1153] setpgid(0, 0) = 0 [pid 1153] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 ci2-android-5-15/strace-static-x86_64: Process 1154 attached [pid 1153] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] close(4 [pid 1154] set_robust_list(0x55555bb49760, 24 [pid 1153] <... symlink resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 1154] <... set_robust_list resumed>) = 0 [pid 1153] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] fstat(3 [pid 312] <... close resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 168 [pid 1154] rt_sigprocmask(SIG_SETMASK, [] [pid 1153] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] rmdir("./170/config" [pid 1154] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] getdents64(3 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1154] chdir("./166" [pid 1153] <... openat resumed>) = 3 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1154] <... chdir resumed>) = 0 [pid 1153] write(3, "1000", 4 [pid 313] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1153] <... write resumed>) = 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1154] <... prctl resumed>) = 0 [pid 1153] close(3 [pid 313] <... umount2 resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./170/binderfs" [pid 1154] setpgid(0, 0 [pid 1153] <... close resumed>) = 0 [pid 313] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1154] <... setpgid resumed>) = 0 [pid 1153] symlink("/dev/binderfs", "./binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1154] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1153] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./170/binderfs" [pid 1154] <... symlink resumed>) = 0 [pid 1153] write(1, "executing program\n", 18 [pid 313] newfstatat(AT_FDCWD, "./173/config" [pid 1154] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1153] <... write resumed>) = 18 executing program [pid 312] <... unlink resumed>) = 0 [pid 1154] <... symlink resumed>) = 0 [pid 1153] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1154] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1153] <... mkdirat resumed>) = 0 [pid 312] umount2("./170/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1154] <... symlink resumed>) = 0 [pid 1153] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1153] <... mount resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1154] <... openat resumed>) = 3 [pid 1153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1154] write(3, "1000", 4 [pid 1153] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] openat(AT_FDCWD, "./173/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./170/cgroup.net" [pid 309] <... restart_syscall resumed>) = 0 [pid 1154] <... write resumed>) = 4 [pid 1153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1154] close(3 [pid 1153] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1154] <... close resumed>) = 0 [pid 1153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] fstat(4 [pid 312] unlink("./170/cgroup.net" [pid 1154] symlink("/dev/binderfs", "./binderfs" [pid 1153] <... mkdirat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1154] <... symlink resumed>) = 0 [pid 1153] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] getdents64(4 [pid 312] <... unlink resumed>) = 0 [pid 1154] write(1, "executing program\n", 18 [pid 1153] <... symlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1154] <... write resumed>) = 18 executing program [pid 1153] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] getdents64(4 [pid 312] umount2("./170/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1154] mkdirat(AT_FDCWD, "./config", 0777 [pid 1153] <... unlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1154] <... mkdirat resumed>) = 0 [pid 1153] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] close(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1154] mount(NULL, "./config", "configfs", 0, NULL [pid 1153] <... unlinkat resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./170/cgroup.cpu" [pid 1154] <... mount resumed>) = 0 [pid 1153] close(3 [pid 313] rmdir("./173/config" [pid 309] <... openat resumed>) = 3 [pid 1154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1154] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1153] close(4 [pid 313] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 1154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./170/cgroup.cpu" [pid 1154] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1153] close(5 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1154] <... mkdirat resumed>) = 0 [pid 1153] close(6 [pid 313] newfstatat(AT_FDCWD, "./173/binderfs" [pid 312] umount2("./170/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1154] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1154] <... symlinkat resumed>) = 0 [pid 1153] close(7 [pid 313] unlink("./173/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1154] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./170/cgroup" [pid 1154] <... unlinkat resumed>) = 0 [pid 1153] close(8 [pid 313] <... unlink resumed>) = 0 [pid 309] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1154] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./173/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./170/cgroup" [pid 1154] <... unlinkat resumed>) = 0 [pid 1153] close(9 [pid 309] <... umount2 resumed>) = 0 [pid 1154] close(3 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 1154] close(4 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./173/cgroup.net" [pid 312] getdents64(3 [pid 309] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(11 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1154] close(5 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./173/cgroup.net" [pid 312] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(12 [pid 313] <... unlink resumed>) = 0 [pid 1154] close(6 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./173/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./162/config" [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(13 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./170" [pid 1154] close(7 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./173/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 309] umount2("./162/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1154] close(8 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./173/cgroup.cpu" [pid 312] mkdir("./171", 0777 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(15 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 1154] close(9 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./173/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./162/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1154] close(10 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./173/cgroup" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(17 [pid 1154] close(11 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(4 [pid 1154] close(12 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./173/cgroup" [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(19 [pid 1154] close(13 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(20 [pid 1154] close(14 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1155 attached [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(21 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1155] set_robust_list(0x55555bb49760, 24 [pid 1154] close(15 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 173 [pid 1155] <... set_robust_list resumed>) = 0 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(22 [pid 313] getdents64(3 [pid 309] getdents64(4 [pid 1155] rt_sigprocmask(SIG_SETMASK, [] [pid 1154] close(16 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1155] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1155] chdir("./171" [pid 1154] close(17 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] getdents64(4 [pid 1155] <... chdir resumed>) = 0 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(24 [pid 313] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1154] close(18 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1155] <... prctl resumed>) = 0 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(25 [pid 313] rmdir("./173" [pid 309] close(4 [pid 1155] setpgid(0, 0 [pid 1154] close(19 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1155] <... setpgid resumed>) = 0 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(26 [pid 313] <... rmdir resumed>) = 0 [pid 1155] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1154] close(20 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./174", 0777 [pid 309] <... close resumed>) = 0 [pid 1155] <... symlink resumed>) = 0 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(27 [pid 1155] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1154] close(21 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1155] <... symlink resumed>) = 0 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(28 [pid 313] <... mkdir resumed>) = 0 [pid 309] rmdir("./162/config" [pid 1155] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1154] close(22 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1155] <... symlink resumed>) = 0 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] close(29 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1154] close(23 [pid 1153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1155] <... openat resumed>) = 3 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] exit_group(0 [pid 1155] write(3, "1000", 4 [pid 1154] close(24 [pid 1153] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1156 attached [pid 1155] <... write resumed>) = 4 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1153] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1156] set_robust_list(0x55555bb49760, 24 [pid 1155] close(3 [pid 1154] close(25 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 176 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./162/binderfs" [pid 1156] <... set_robust_list resumed>) = 0 [pid 1155] <... close resumed>) = 0 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 1155] symlink("/dev/binderfs", "./binderfs" [pid 1154] close(26 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1156] rt_sigprocmask(SIG_SETMASK, [] [pid 1155] <... symlink resumed>) = 0 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./162/binderfs" [pid 1156] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1155] write(1, "executing program\n", 18 [pid 1154] close(27 [pid 1156] chdir("./174" [pid 1155] <... write resumed>) = 18 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1156] <... chdir resumed>) = 0 [pid 1155] mkdirat(AT_FDCWD, "./config", 0777 [pid 1154] close(28 [pid 1156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1155] <... mkdirat resumed>) = 0 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./162/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1156] <... prctl resumed>) = 0 [pid 1155] mount(NULL, "./config", "configfs", 0, NULL [pid 1154] close(29 [pid 1156] setpgid(0, 0 [pid 1155] <... mount resumed>) = 0 [pid 1154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1156] <... setpgid resumed>) = 0 [pid 1155] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1154] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./162/cgroup.net" [pid 1156] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1155] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1154] <... exit_group resumed>) = ? [pid 1156] <... symlink resumed>) = 0 [pid 1155] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1154] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1155] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1155] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1156] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1155] <... mkdirat resumed>) = 0 [pid 309] unlink("./162/cgroup.net" [pid 1156] <... symlink resumed>) = 0 [pid 1155] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1156] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1155] <... symlinkat resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... unlink resumed>) = 0 [pid 1156] <... symlink resumed>) = 0 [pid 1155] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./162/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1155] <... unlinkat resumed>) = 0 [pid 1155] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1156] <... openat resumed>) = 3 [pid 1155] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./162/cgroup.cpu" [pid 1156] write(3, "1000", 4 [pid 1155] close(3 [pid 1156] <... write resumed>) = 4 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1156] close(3 [pid 1155] close(4) = -1 EBADF (Bad file descriptor) [pid 1155] close(5 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] unlink("./162/cgroup.cpu" [pid 1156] <... close resumed>) = 0 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1156] symlink("/dev/binderfs", "./binderfs" [pid 1155] close(6 [pid 309] <... unlink resumed>) = 0 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1156] <... symlink resumed>) = 0 [pid 1155] close(7 [pid 309] umount2("./162/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1156] write(1, "executing program\n", 18 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1155] close(8 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1156] <... write resumed>) = 18 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./162/cgroup" [pid 1156] mkdirat(AT_FDCWD, "./config", 0777 [pid 1155] close(9 [pid 310] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1156] <... mkdirat resumed>) = 0 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1156] mount(NULL, "./config", "configfs", 0, NULL [pid 1155] close(10 [pid 310] <... openat resumed>) = 3 [pid 309] unlink("./162/cgroup" [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1156] <... mount resumed>) = 0 [pid 1155] close(11 [pid 310] fstat(3 [pid 1156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1156] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1155] close(12 [pid 310] getdents64(3 [pid 1156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1156] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1155] close(13 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1155] close(14 [pid 1156] <... mkdirat resumed>) = 0 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1155] close(15) = -1 EBADF (Bad file descriptor) [pid 1156] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1155] close(16 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 311] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1156] <... symlinkat resumed>) = 0 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1156] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1155] close(17 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./162" [pid 1156] <... unlinkat resumed>) = 0 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1155] close(18 [pid 310] newfstatat(AT_FDCWD, "./164/config" [pid 309] <... rmdir resumed>) = 0 [pid 1156] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./163", 0777 [pid 1156] <... unlinkat resumed>) = 0 [pid 1155] close(19) = -1 EBADF (Bad file descriptor) [pid 1155] close(20 [pid 310] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 311] fstat(3 [pid 1156] close(3 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1155] close(21 [pid 311] getdents64(3 [pid 310] openat(AT_FDCWD, "./164/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1156] close(4 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1155] close(22 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1156] close(5 [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 1155] close(23) = -1 EBADF (Bad file descriptor) [pid 1155] close(24) = -1 EBADF (Bad file descriptor) [pid 1155] close(25) = -1 EBADF (Bad file descriptor) [pid 1155] close(26) = -1 EBADF (Bad file descriptor) [pid 1155] close(27ci2-android-5-15/strace-static-x86_64: Process 1157 attached [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1157] set_robust_list(0x55555bb49760, 24 [pid 1156] close(6 [pid 1155] close(28 [pid 311] <... umount2 resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 165 [pid 310] getdents64(4 [pid 1157] <... set_robust_list resumed>) = 0 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1157] rt_sigprocmask(SIG_SETMASK, [] [pid 1156] close(7 [pid 1155] close(29 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1157] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./166/config" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1157] chdir("./163" [pid 1156] close(8 [pid 1155] exit_group(0 [pid 310] close(4 [pid 1157] <... chdir resumed>) = 0 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1156] close(9 [pid 1155] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 1157] <... prctl resumed>) = 0 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1155] +++ exited with 0 +++ [pid 1156] close(10 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./164/config" [pid 1157] setpgid(0, 0 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] openat(AT_FDCWD, "./166/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1157] <... setpgid resumed>) = 0 [pid 1156] close(11 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rmdir resumed>) = 0 [pid 1157] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1157] <... symlink resumed>) = 0 [pid 1156] close(12 [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1157] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./164/binderfs" [pid 1157] <... symlink resumed>) = 0 [pid 1156] close(13 [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1157] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./164/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1157] <... symlink resumed>) = 0 [pid 1156] close(14 [pid 310] <... unlink resumed>) = 0 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1156] close(15 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./164/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1157] <... openat resumed>) = 3 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1157] write(3, "1000", 4 [pid 1156] close(16 [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./164/cgroup.net" [pid 1157] <... write resumed>) = 4 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1156] close(17 [pid 311] rmdir("./166/config" [pid 1157] close(3 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1157] <... close resumed>) = 0 [pid 1156] close(18 [pid 311] <... rmdir resumed>) = 0 [pid 310] unlink("./164/cgroup.net" [pid 1157] symlink("/dev/binderfs", "./binderfs" [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1157] <... symlink resumed>) = 0 [pid 1156] close(19 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./164/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] write(1, "executing program\n", 18 [pid 311] newfstatat(AT_FDCWD, "./166/binderfs" [pid 1156] close(20 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1157] <... write resumed>) = 18 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./164/cgroup.cpu" [pid 1157] mkdirat(AT_FDCWD, "./config", 0777 [pid 1156] close(21 [pid 311] unlink("./166/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1157] <... mkdirat resumed>) = 0 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./164/cgroup.cpu" [pid 1156] close(22 [pid 1157] mount(NULL, "./config", "configfs", 0, NULL [pid 311] umount2("./166/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1157] <... mount resumed>) = 0 [pid 1156] close(23 [pid 1157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./164/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1157] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1156] close(24 [pid 311] newfstatat(AT_FDCWD, "./166/cgroup.net" [pid 1157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1157] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1156] close(25 [pid 311] unlink("./166/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./164/cgroup" [pid 1157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1157] <... mkdirat resumed>) = 0 [pid 1156] close(26 [pid 1157] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./166/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./164/cgroup" [pid 1157] <... symlinkat resumed>) = 0 [pid 1156] close(27) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1157] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1156] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1157] <... unlinkat resumed>) = 0 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1156] close(29 [pid 311] newfstatat(AT_FDCWD, "./166/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1157] <... unlinkat resumed>) = 0 [pid 1156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1156] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 1156] <... exit_group resumed>) = ? [pid 1157] close(3 [pid 311] unlink("./166/cgroup.cpu" [pid 310] rmdir("./164" [pid 1156] +++ exited with 0 +++ [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] mkdir("./165", 0777 [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] umount2("./166/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1157] close(4 [pid 310] <... mkdir resumed>) = 0 [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1157] close(5 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] newfstatat(AT_FDCWD, "./166/cgroup" [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1157] close(6 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./166/cgroup"ci2-android-5-15/strace-static-x86_64: Process 1158 attached ) = 0 [pid 1158] set_robust_list(0x55555bb49760, 24 [pid 1157] close(7 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 167 [pid 1158] <... set_robust_list resumed>) = 0 [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1158] rt_sigprocmask(SIG_SETMASK, [] [pid 1157] close(8 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1158] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1158] chdir("./165") = 0 [pid 1158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1158] setpgid(0, 0) = 0 [pid 311] <... close resumed>) = 0 [pid 1158] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1157] close(9 [pid 312] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./166" [pid 1158] <... symlink resumed>) = 0 [pid 1158] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1157] close(10 [pid 311] <... rmdir resumed>) = 0 [pid 1158] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] mkdir("./167", 0777 [pid 1158] <... symlink resumed>) = 0 [pid 1157] close(11 [pid 312] <... openat resumed>) = 3 [pid 1158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 311] <... mkdir resumed>) = 0 [pid 1158] <... openat resumed>) = 3 [pid 1158] write(3, "1000", 4) = 4 [pid 1157] close(12 [pid 1158] close(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1158] <... close resumed>) = 0 [pid 1157] close(13 [pid 312] getdents64(3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1158] symlink("/dev/binderfs", "./binderfs" [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1158] <... symlink resumed>) = 0 [pid 1157] close(14 [pid 312] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1158] write(1, "executing program\n", 18) = 18 [pid 1158] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1158] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1159 attached executing program ) = 0 [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1159] set_robust_list(0x55555bb49760, 24 [pid 1158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1157] close(15 [pid 312] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 169 [pid 1159] <... set_robust_list resumed>) = 0 [pid 1158] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1159] rt_sigprocmask(SIG_SETMASK, [] [pid 1158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1157] close(16 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1159] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1158] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] newfstatat(AT_FDCWD, "./171/config" [pid 1159] chdir("./167" [pid 1158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1159] <... chdir resumed>) = 0 [pid 1158] <... mkdirat resumed>) = 0 [pid 1157] close(17 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1158] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1159] <... prctl resumed>) = 0 [pid 1158] <... symlinkat resumed>) = 0 [pid 1159] setpgid(0, 0 [pid 1158] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1159] <... setpgid resumed>) = 0 [pid 1158] <... unlinkat resumed>) = 0 [pid 313] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1159] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1158] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1159] <... symlink resumed>) = 0 [pid 1158] <... unlinkat resumed>) = 0 [pid 1159] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1158] close(3 [pid 1157] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1159] <... symlink resumed>) = 0 [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./171/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1159] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1158] close(4 [pid 1157] close(19 [pid 313] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1159] <... symlink resumed>) = 0 [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1158] close(5 [pid 1157] close(20 [pid 313] <... openat resumed>) = 3 [pid 312] fstat(4 [pid 1159] <... openat resumed>) = 3 [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 1159] write(3, "1000", 4 [pid 1158] close(6 [pid 1157] close(21 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1159] <... write resumed>) = 4 [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] getdents64(4 [pid 1159] close(3 [pid 1158] close(7 [pid 1157] close(22 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1159] <... close resumed>) = 0 [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 1159] symlink("/dev/binderfs", "./binderfs" [pid 1158] close(8 [pid 1159] <... symlink resumed>) = 0 [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] close(23 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1159] write(1, "executing program\n", 18 [pid 1158] close(9 [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(4 [pid 1159] <... write resumed>) = 18 executing program [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] close(24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1159] mkdirat(AT_FDCWD, "./config", 0777 [pid 1158] close(10 [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./174/config" [pid 312] <... close resumed>) = 0 [pid 1159] <... mkdirat resumed>) = 0 [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] close(25 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rmdir("./171/config" [pid 1159] mount(NULL, "./config", "configfs", 0, NULL [pid 1158] close(11 [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1159] <... mount resumed>) = 0 [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] close(26 [pid 312] <... rmdir resumed>) = 0 [pid 1159] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1158] close(12 [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1159] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1159] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1158] close(13 [pid 1157] close(27 [pid 313] openat(AT_FDCWD, "./174/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1159] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1159] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1158] close(14 [pid 313] <... openat resumed>) = 4 [pid 1159] <... mkdirat resumed>) = 0 [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] close(28 [pid 313] fstat(4 [pid 312] newfstatat(AT_FDCWD, "./171/binderfs" [pid 1159] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1158] close(15 [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1159] <... symlinkat resumed>) = 0 [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] close(29 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] getdents64(4 [pid 1159] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1158] close(16 [pid 1157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] unlink("./171/binderfs" [pid 1159] <... unlinkat resumed>) = 0 [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] exit_group(0 [pid 1159] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1158] close(17 [pid 1159] <... unlinkat resumed>) = 0 [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] <... exit_group resumed>) = ? [pid 313] getdents64(4 [pid 312] <... unlink resumed>) = 0 [pid 1159] close(3 [pid 1158] close(18 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1159] close(4 [pid 1158] close(19 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1159] close(5 [pid 1158] close(20 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1159] close(6 [pid 1158] close(21 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1159] close(7 [pid 1158] close(22 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1157] +++ exited with 0 +++ [pid 1159] close(8 [pid 1158] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] umount2("./171/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1159] close(9 [pid 1158] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./171/cgroup.net" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1159] close(10 [pid 1158] close(25 [pid 313] rmdir("./174/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1159] close(11 [pid 1158] close(26 [pid 313] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./171/cgroup.net" [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1159] close(12 [pid 1158] close(27 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./174/binderfs" [pid 312] <... unlink resumed>) = 0 [pid 1159] close(13 [pid 1158] close(28 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./174/binderfs" [pid 312] umount2("./171/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1159] close(14 [pid 1158] close(29 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1159] close(15 [pid 1158] exit_group(0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1158] <... exit_group resumed>) = ? [pid 313] umount2("./174/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./171/cgroup.cpu" [pid 1159] close(16 [pid 1158] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./174/cgroup.net" [pid 312] unlink("./171/cgroup.cpu" [pid 1159] close(17) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1159] close(18 [pid 312] <... unlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] unlink("./174/cgroup.net" [pid 309] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./171/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1159] close(19 [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./174/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./171/cgroup" [pid 309] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1159] close(20) = -1 EBADF (Bad file descriptor) [pid 1159] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./174/cgroup.cpu" [pid 312] unlink("./171/cgroup" [pid 309] <... openat resumed>) = 3 [pid 1159] close(22 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1159] close(23 [pid 313] unlink("./174/cgroup.cpu" [pid 312] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1159] close(24 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] umount2("./174/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(3 [pid 1159] close(25 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./174/cgroup" [pid 1159] close(26 [pid 312] <... close resumed>) = 0 [pid 309] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rmdir("./171" [pid 1159] close(27 [pid 313] unlink("./174/cgroup" [pid 309] <... umount2 resumed>) = 0 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1159] close(28 [pid 312] <... rmdir resumed>) = 0 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] mkdir("./172", 0777 [pid 309] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1159] close(29 [pid 313] getdents64(3 [pid 1159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1159] exit_group(0 [pid 313] close(3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./163/config" [pid 1159] <... exit_group resumed>) = ? [pid 1159] +++ exited with 0 +++ [pid 313] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] rmdir("./174" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./163/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1160 attached [pid 313] mkdir("./175", 0777 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1160] set_robust_list(0x55555bb49760, 24) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./163/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1160] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 174 [pid 1160] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1160] chdir("./172" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 1160] <... chdir resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(4 [pid 1160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1160] setpgid(0, 0) = 0 [pid 1160] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 1160] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1161 attached ) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1161] set_robust_list(0x55555bb49760, 24 [pid 1160] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 177 [pid 309] getdents64(4 [pid 1161] <... set_robust_list resumed>) = 0 [pid 1160] <... symlink resumed>) = 0 [pid 1160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1161] rt_sigprocmask(SIG_SETMASK, [] [pid 1160] <... openat resumed>) = 3 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1161] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1160] write(3, "1000", 4) = 4 [pid 1161] chdir("./175" [pid 1160] close(3 [pid 309] getdents64(4 [pid 1161] <... chdir resumed>) = 0 [pid 1160] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1160] symlink("/dev/binderfs", "./binderfs" [pid 309] close(4 [pid 1161] <... prctl resumed>) = 0 [pid 1160] <... symlink resumed>) = 0 [pid 1160] write(1, "executing program\n", 18 [pid 309] <... close resumed>) = 0 [pid 1161] setpgid(0, 0 [pid 1160] <... write resumed>) = 18 executing program [pid 309] rmdir("./163/config" [pid 1161] <... setpgid resumed>) = 0 [pid 1160] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1161] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1160] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1161] <... symlink resumed>) = 0 [pid 1160] <... mount resumed>) = 0 [pid 1160] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1161] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1160] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1160] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1161] <... symlink resumed>) = 0 [pid 1160] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./163/binderfs" [pid 1161] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1160] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1161] <... symlink resumed>) = 0 [pid 1160] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] unlink("./163/binderfs" [pid 1161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1160] <... symlinkat resumed>) = 0 [pid 1160] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1161] <... openat resumed>) = 3 [pid 1160] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1161] write(3, "1000", 4 [pid 1160] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./163/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1161] <... write resumed>) = 4 [pid 1160] <... unlinkat resumed>) = 0 [pid 1160] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1161] close(3 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1161] <... close resumed>) = 0 [pid 1160] close(4 [pid 310] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1161] symlink("/dev/binderfs", "./binderfs" [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./163/cgroup.net" [pid 1160] close(5) = -1 EBADF (Bad file descriptor) [pid 1160] close(6 [pid 310] <... openat resumed>) = 3 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1161] <... symlink resumed>) = 0 [pid 1160] close(7 [pid 1161] write(1, "executing program\n", 18 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1161] <... write resumed>) = 18 [pid 1160] close(8 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] unlink("./163/cgroup.net" [pid 1161] mkdirat(AT_FDCWD, "./config", 0777 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1160] close(9 [pid 310] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 1161] <... mkdirat resumed>) = 0 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./163/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1161] mount(NULL, "./config", "configfs", 0, NULL [pid 1160] close(10 [pid 310] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1161] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1160] close(11 [pid 310] <... umount2 resumed>) = 0 [pid 1161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./163/cgroup.cpu" [pid 1161] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1160] close(12 [pid 310] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1161] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1160] close(13 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./163/cgroup.cpu" [pid 1161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./165/config" [pid 1160] close(14 [pid 309] <... unlink resumed>) = 0 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1161] <... mkdirat resumed>) = 0 [pid 1160] close(15) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./163/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1161] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1160] close(16) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1161] <... symlinkat resumed>) = 0 [pid 1160] close(17 [pid 1161] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./163/cgroup" [pid 1161] <... unlinkat resumed>) = 0 [pid 1160] close(18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./165/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1161] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1160] close(19 [pid 310] <... openat resumed>) = 4 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1160] close(20 [pid 1161] <... unlinkat resumed>) = 0 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./163/cgroup" [pid 1161] close(3 [pid 1160] close(21 [pid 311] <... openat resumed>) = 3 [pid 310] fstat(4 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1161] close(4 [pid 1160] close(22 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(4 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1160] close(23 [pid 1161] close(5 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1160] close(24 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1161] close(6 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1160] close(25 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 1161] close(7 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 310] close(4 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1160] close(26 [pid 311] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1161] close(8 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1160] close(27) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1160] close(28 [pid 311] newfstatat(AT_FDCWD, "./167/config" [pid 310] rmdir("./165/config" [pid 309] rmdir("./163" [pid 1161] close(9 [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1160] close(29 [pid 310] <... rmdir resumed>) = 0 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1161] close(10 [pid 1160] exit_group(0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./164", 0777 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1160] <... exit_group resumed>) = ? [pid 311] openat(AT_FDCWD, "./167/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./165/binderfs" [pid 1161] close(11 [pid 1160] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1161] close(12 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] fstat(4 [pid 310] unlink("./165/binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1161] close(13 [pid 310] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] umount2("./165/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1162 attached [pid 1161] close(14 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1162] set_robust_list(0x55555bb49760, 24 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./165/cgroup.net" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 166 [pid 1162] <... set_robust_list resumed>) = 0 [pid 1161] close(15 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1162] rt_sigprocmask(SIG_SETMASK, [] [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 311] close(4 [pid 1162] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1161] close(16 [pid 312] <... openat resumed>) = 3 [pid 310] unlink("./165/cgroup.net" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1162] chdir("./164" [pid 311] <... close resumed>) = 0 [pid 1162] <... chdir resumed>) = 0 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 311] rmdir("./167/config" [pid 310] <... unlink resumed>) = 0 [pid 1162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1161] close(17 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1162] <... prctl resumed>) = 0 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./165/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1162] setpgid(0, 0 [pid 1161] close(18 [pid 312] getdents64(3 [pid 1162] <... setpgid resumed>) = 0 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1162] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1161] close(19 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./165/cgroup.cpu" [pid 1162] <... symlink resumed>) = 0 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./167/binderfs" [pid 1162] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1162] <... symlink resumed>) = 0 [pid 1161] close(20 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1162] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./165/cgroup.cpu" [pid 311] unlink("./167/binderfs" [pid 1162] <... symlink resumed>) = 0 [pid 1161] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 1162] <... openat resumed>) = 3 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./172/config" [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./165/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1162] write(3, "1000", 4 [pid 1161] close(22 [pid 1162] <... write resumed>) = 4 [pid 1162] close(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./167/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1162] <... close resumed>) = 0 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1162] symlink("/dev/binderfs", "./binderfs" [pid 1161] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./165/cgroup" [pid 1162] <... symlink resumed>) = 0 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./172/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./167/cgroup.net" [pid 1162] write(1, "executing program\n", 18 [pid 1161] close(24 [pid 312] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1162] <... write resumed>) = 18 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./165/cgroup" [pid 1162] mkdirat(AT_FDCWD, "./config", 0777 [pid 1161] close(25 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] unlink("./167/cgroup.net" [pid 1162] <... mkdirat resumed>) = 0 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] <... unlink resumed>) = 0 executing program [pid 1162] mount(NULL, "./config", "configfs", 0, NULL [pid 1161] close(26 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 1162] <... mount resumed>) = 0 [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] umount2("./167/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1161] close(27 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1162] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 1162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1161] close(28 [pid 312] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./167/cgroup.cpu" [pid 1162] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./172/config" [pid 310] <... close resumed>) = 0 [pid 1162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1162] <... mkdirat resumed>) = 0 [pid 1161] close(29 [pid 312] <... rmdir resumed>) = 0 [pid 311] unlink("./167/cgroup.cpu" [pid 310] rmdir("./165" [pid 1162] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1162] <... symlinkat resumed>) = 0 [pid 312] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1162] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1161] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./167/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1162] <... unlinkat resumed>) = 0 [pid 1161] <... exit_group resumed>) = ? [pid 312] newfstatat(AT_FDCWD, "./172/binderfs" [pid 310] mkdir("./166", 0777 [pid 1162] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1162] <... unlinkat resumed>) = 0 [pid 1162] close(3) = -1 EBADF (Bad file descriptor) [pid 1162] close(4) = -1 EBADF (Bad file descriptor) [pid 1162] close(5 [pid 1161] +++ exited with 0 +++ [pid 1162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1162] close(6 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] unlink("./172/binderfs" [pid 311] newfstatat(AT_FDCWD, "./167/cgroup" [pid 310] <... mkdir resumed>) = 0 [pid 1162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1162] close(7) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1162] close(8 [pid 312] umount2("./172/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./167/cgroup" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1162] close(9 [pid 312] newfstatat(AT_FDCWD, "./172/cgroup.net" [pid 311] <... unlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1162] close(10) = -1 EBADF (Bad file descriptor) [pid 1162] close(11) = -1 EBADF (Bad file descriptor) [pid 1162] close(12) = -1 EBADF (Bad file descriptor) [pid 1162] close(13) = -1 EBADF (Bad file descriptor) [pid 1162] close(14) = -1 EBADF (Bad file descriptor) [pid 1162] close(15) = -1 EBADF (Bad file descriptor) [pid 1162] close(16) = -1 EBADF (Bad file descriptor) [pid 1162] close(17) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./172/cgroup.net" [pid 311] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1162] close(18) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1162] close(19) = -1 EBADF (Bad file descriptor) [pid 1162] close(20) = -1 EBADF (Bad file descriptor) [pid 1162] close(21) = -1 EBADF (Bad file descriptor) [pid 1162] close(22) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1163 attached [pid 1162] close(23 [pid 312] umount2("./172/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 1163] set_robust_list(0x55555bb49760, 24 [pid 1162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1163] <... set_robust_list resumed>) = 0 [pid 1162] close(24 [pid 311] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 168 [pid 1163] rt_sigprocmask(SIG_SETMASK, [] [pid 1162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./172/cgroup.cpu" [pid 1163] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1162] close(25 [pid 313] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./167" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1163] chdir("./166" [pid 1162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1163] <... chdir resumed>) = 0 [pid 1162] close(26 [pid 313] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] unlink("./172/cgroup.cpu" [pid 311] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] <... unlink resumed>) = 0 [pid 1163] <... prctl resumed>) = 0 [pid 1162] close(27 [pid 313] fstat(3 [pid 312] umount2("./172/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] mkdir("./168", 0777 [pid 1163] setpgid(0, 0 [pid 1162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1163] <... setpgid resumed>) = 0 [pid 1162] close(28 [pid 313] getdents64(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... mkdir resumed>) = 0 [pid 1163] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] newfstatat(AT_FDCWD, "./172/cgroup" [pid 1163] <... symlink resumed>) = 0 [pid 1162] close(29 [pid 313] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1163] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1163] <... symlink resumed>) = 0 [pid 1162] exit_group(0 [pid 313] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./172/cgroup" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1163] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1162] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 1163] <... symlink resumed>) = 0 [pid 1162] +++ exited with 0 +++ [pid 313] newfstatat(AT_FDCWD, "./175/config" [pid 312] getdents64(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1163] <... openat resumed>) = 3 [pid 313] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1163] write(3, "1000", 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1164 attached [pid 1163] <... write resumed>) = 4 [pid 313] openat(AT_FDCWD, "./175/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1164] set_robust_list(0x55555bb49760, 24 [pid 1163] close(3 [pid 313] <... openat resumed>) = 4 [pid 312] <... close resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 170 [pid 1164] <... set_robust_list resumed>) = 0 [pid 1163] <... close resumed>) = 0 [pid 313] fstat(4 [pid 312] rmdir("./172" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1164] rt_sigprocmask(SIG_SETMASK, [] [pid 1163] symlink("/dev/binderfs", "./binderfs" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1164] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1163] <... symlink resumed>) = 0 [pid 313] getdents64(4 [pid 312] <... rmdir resumed>) = 0 [pid 1164] chdir("./168" [pid 1163] write(1, "executing program\n", 18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 executing program [pid 312] mkdir("./173", 0777 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1164] <... chdir resumed>) = 0 [pid 1163] <... write resumed>) = 18 [pid 313] getdents64(4 [pid 1164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1163] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 1164] <... prctl resumed>) = 0 [pid 1163] <... mkdirat resumed>) = 0 [pid 313] close(4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1164] setpgid(0, 0 [pid 1163] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1164] <... setpgid resumed>) = 0 [pid 1163] <... mount resumed>) = 0 [pid 313] rmdir("./175/config" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1164] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 1164] <... symlink resumed>) = 0 [pid 1163] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1164] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1165 attached [pid 1164] <... symlink resumed>) = 0 [pid 1163] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./175/binderfs" [pid 1165] set_robust_list(0x55555bb49760, 24 [pid 1164] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 175 [pid 1165] <... set_robust_list resumed>) = 0 [pid 1164] <... symlink resumed>) = 0 [pid 1163] <... mkdirat resumed>) = 0 [pid 313] unlink("./175/binderfs" [pid 1165] rt_sigprocmask(SIG_SETMASK, [] [pid 1164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1163] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... unlink resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1165] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1164] <... openat resumed>) = 3 [pid 1163] <... symlinkat resumed>) = 0 [pid 313] umount2("./175/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1165] chdir("./173" [pid 1164] write(3, "1000", 4 [pid 1163] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1165] <... chdir resumed>) = 0 [pid 1164] <... write resumed>) = 4 [pid 1163] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./175/cgroup.net" [pid 1165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1164] close(3 [pid 1163] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1165] <... prctl resumed>) = 0 [pid 1164] <... close resumed>) = 0 [pid 1163] <... unlinkat resumed>) = 0 [pid 313] unlink("./175/cgroup.net" [pid 1165] setpgid(0, 0 [pid 1164] symlink("/dev/binderfs", "./binderfs" [pid 1163] close(3 [pid 313] <... unlink resumed>) = 0 [pid 1165] <... setpgid resumed>) = 0 [pid 1164] <... symlink resumed>) = 0 [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./175/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1165] symlink("/syzcgroup/unified/syz3", "./cgroup" executing program [pid 1164] write(1, "executing program\n", 18 [pid 1163] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1165] <... symlink resumed>) = 0 [pid 1164] <... write resumed>) = 18 [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./175/cgroup.cpu" [pid 1165] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1164] mkdirat(AT_FDCWD, "./config", 0777 [pid 1163] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1165] <... symlink resumed>) = 0 [pid 1164] <... mkdirat resumed>) = 0 [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./175/cgroup.cpu" [pid 1165] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1164] mount(NULL, "./config", "configfs", 0, NULL [pid 1163] close(6 [pid 313] <... unlink resumed>) = 0 [pid 1165] <... symlink resumed>) = 0 [pid 1164] <... mount resumed>) = 0 [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./175/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1163] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1165] <... openat resumed>) = 3 [pid 1164] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./175/cgroup" [pid 1165] write(3, "1000", 4 [pid 1164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1163] close(8 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1165] <... write resumed>) = 4 [pid 1164] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./175/cgroup" [pid 309] <... restart_syscall resumed>) = 0 [pid 1165] close(3 [pid 1164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1163] close(9 [pid 313] <... unlink resumed>) = 0 [pid 1165] <... close resumed>) = 0 [pid 1164] <... mkdirat resumed>) = 0 [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1165] symlink("/dev/binderfs", "./binderfs" [pid 1164] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1163] close(10 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1165] <... symlink resumed>) = 0 [pid 1164] <... symlinkat resumed>) = 0 [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1165] write(1, "executing program\n", 18 [pid 1164] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 1163] close(11 [pid 313] <... close resumed>) = 0 [pid 309] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1165] <... write resumed>) = 18 [pid 1164] <... unlinkat resumed>) = 0 [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./175" [pid 1165] mkdirat(AT_FDCWD, "./config", 0777 [pid 1164] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1163] close(12 [pid 313] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1165] <... mkdirat resumed>) = 0 [pid 1164] <... unlinkat resumed>) = 0 [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./176", 0777 [pid 309] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1165] mount(NULL, "./config", "configfs", 0, NULL [pid 1164] close(3 [pid 1163] close(13 [pid 313] <... mkdir resumed>) = 0 [pid 1165] <... mount resumed>) = 0 [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... openat resumed>) = 3 [pid 1165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1164] close(4 [pid 1163] close(14 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1165] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(3ci2-android-5-15/strace-static-x86_64: Process 1166 attached [pid 1165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1164] close(5 [pid 1163] close(15 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1166] set_robust_list(0x55555bb49760, 24 [pid 1165] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 178 [pid 1166] <... set_robust_list resumed>) = 0 [pid 1165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1164] close(6 [pid 1163] close(16 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 1166] rt_sigprocmask(SIG_SETMASK, [] [pid 1165] <... mkdirat resumed>) = 0 [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1166] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1165] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1164] close(7 [pid 1163] close(17 [pid 309] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1166] chdir("./176" [pid 1165] <... symlinkat resumed>) = 0 [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1165] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1164] close(8 [pid 1163] close(18 [pid 1166] <... chdir resumed>) = 0 [pid 1165] <... unlinkat resumed>) = 0 [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 1166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1165] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1164] close(9 [pid 1163] close(19 [pid 1166] <... prctl resumed>) = 0 [pid 1165] <... unlinkat resumed>) = 0 [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1166] setpgid(0, 0 [pid 1165] close(3 [pid 1164] close(10 [pid 1163] close(20 [pid 1166] <... setpgid resumed>) = 0 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1166] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1165] close(4 [pid 1164] close(11 [pid 1163] close(21 [pid 309] newfstatat(AT_FDCWD, "./164/config" [pid 1166] <... symlink resumed>) = 0 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1166] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1165] close(5 [pid 1164] close(12 [pid 1163] close(22 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1166] <... symlink resumed>) = 0 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./164/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1166] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1165] close(6 [pid 1164] close(13 [pid 1163] close(23 [pid 1166] <... symlink resumed>) = 0 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1165] close(7 [pid 1164] close(14 [pid 1163] close(24 [pid 309] openat(AT_FDCWD, "./164/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1166] <... openat resumed>) = 3 [pid 1165] close(8 [pid 1164] close(15 [pid 1163] close(25 [pid 1166] write(3, "1000", 4 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1166] <... write resumed>) = 4 [pid 1165] close(9 [pid 1164] close(16 [pid 1163] close(26 [pid 1166] close(3 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(4 [pid 1166] <... close resumed>) = 0 [pid 1165] close(10 [pid 1164] close(17 [pid 1163] close(27 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1166] symlink("/dev/binderfs", "./binderfs" [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1166] <... symlink resumed>) = 0 [pid 1165] close(11 [pid 1164] close(18 [pid 1163] close(28 [pid 309] getdents64(4 [pid 1166] write(1, "executing program\n", 18 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1166] <... write resumed>) = 18 [pid 1165] close(12 [pid 1164] close(19 [pid 1163] close(29 [pid 309] getdents64(4 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1166] mkdirat(AT_FDCWD, "./config", 0777 [pid 1165] close(13 [pid 1164] close(20 [pid 1163] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1163] <... exit_group resumed>) = ? [pid 1166] <... mkdirat resumed>) = 0 [pid 1165] close(14 [pid 1164] close(21 [pid 1163] +++ exited with 0 +++ [pid 309] close(4 [pid 1166] mount(NULL, "./config", "configfs", 0, NULL [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1166] <... mount resumed>) = 0 [pid 1165] close(15 [pid 1164] close(22 [pid 309] <... close resumed>) = 0 [pid 1166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1166] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1165] close(16 [pid 1164] close(23 [pid 309] rmdir("./164/config" [pid 1166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1165] close(17 [pid 1164] close(24 [pid 309] <... rmdir resumed>) = 0 [pid 1166] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1165] close(18 [pid 1164] close(25 [pid 310] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1165] close(19 [pid 1164] close(26 [pid 1166] <... mkdirat resumed>) = 0 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1166] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1165] close(20 [pid 1164] close(27 [pid 310] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./164/binderfs" [pid 1166] <... symlinkat resumed>) = 0 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 1166] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1165] close(21 [pid 1164] close(28 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1166] <... unlinkat resumed>) = 0 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 309] unlink("./164/binderfs" [pid 1166] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1165] close(22 [pid 1164] close(29 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1166] <... unlinkat resumed>) = 0 [pid 1165] close(23 [pid 1164] exit_group(0 [pid 310] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./164/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1166] close(3 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1164] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1165] close(24 [pid 1164] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./164/cgroup.net" [pid 1166] close(4 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1165] close(25 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1166] close(5 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./164/cgroup.net" [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1165] close(26 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1166] close(6 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./166/config" [pid 309] <... unlink resumed>) = 0 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1165] close(27 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./164/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1166] close(7 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1165] close(28 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1166] close(8 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./164/cgroup.cpu" [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1165] close(29 [pid 311] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./166/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1166] close(9 [pid 1165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1165] exit_group(0 [pid 311] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 4 [pid 309] unlink("./164/cgroup.cpu" [pid 1166] close(10 [pid 1165] <... exit_group resumed>) = ? [pid 311] <... openat resumed>) = 3 [pid 310] fstat(4 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1165] +++ exited with 0 +++ [pid 311] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1166] close(11 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(4 [pid 309] umount2("./164/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1166] close(12 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./164/cgroup" [pid 1166] close(13 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1166] close(14 [pid 311] <... umount2 resumed>) = 0 [pid 310] close(4 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./164/cgroup" [pid 1166] close(15 [pid 312] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./168/config" [pid 310] rmdir("./166/config" [pid 309] <... unlink resumed>) = 0 [pid 1166] close(16 [pid 312] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1166] close(17 [pid 312] fstat(3 [pid 311] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 1166] close(18 [pid 312] getdents64(3 [pid 311] openat(AT_FDCWD, "./168/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] newfstatat(AT_FDCWD, "./166/binderfs" [pid 309] <... close resumed>) = 0 [pid 1166] close(19 [pid 312] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./164" [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 311] fstat(4 [pid 310] unlink("./166/binderfs" [pid 1166] close(20 [pid 312] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 1166] close(21 [pid 312] newfstatat(AT_FDCWD, "./173/config" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./166/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./165", 0777 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1166] close(22 [pid 312] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./166/cgroup.net" [pid 1166] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./173/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1166] close(24 [pid 312] <... openat resumed>) = 4 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./166/cgroup.net" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 311] rmdir("./168/config" [pid 310] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1166] close(25 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1167 attached [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./166/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1167] set_robust_list(0x55555bb49760, 24 [pid 1166] close(26 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1167] <... set_robust_list resumed>) = 0 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(4 [pid 1167] rt_sigprocmask(SIG_SETMASK, [] [pid 1166] close(27 [pid 311] newfstatat(AT_FDCWD, "./168/binderfs" [pid 310] newfstatat(AT_FDCWD, "./166/cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 167 [pid 1167] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] close(4 [pid 1167] chdir("./165" [pid 1166] close(28 [pid 311] unlink("./168/binderfs" [pid 310] unlink("./166/cgroup.cpu" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1167] <... chdir resumed>) = 0 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1166] close(29 [pid 312] rmdir("./173/config" [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1167] <... prctl resumed>) = 0 [pid 1166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] umount2("./168/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./166/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1167] setpgid(0, 0 [pid 1166] exit_group(0 [pid 312] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1167] <... setpgid resumed>) = 0 [pid 1166] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./168/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1167] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 1167] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 1167] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 1166] +++ exited with 0 +++ [pid 1167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] newfstatat(AT_FDCWD, "./173/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./166/cgroup" [pid 1167] <... openat resumed>) = 3 [pid 1167] write(3, "1000", 4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./168/cgroup.net" [pid 1167] <... write resumed>) = 4 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] unlink("./173/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1167] close(3 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... unlink resumed>) = 0 [pid 1167] <... close resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./168/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./166/cgroup" [pid 1167] symlink("/dev/binderfs", "./binderfs" [pid 312] umount2("./173/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1167] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./168/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 1167] write(1, "executing program\n", 18 [pid 312] newfstatat(AT_FDCWD, "./173/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 1167] <... write resumed>) = 18 executing program [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./168/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1167] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] unlink("./173/cgroup.net" [pid 1167] <... mkdirat resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] close(3 [pid 1167] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./168/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1167] <... mount resumed>) = 0 [pid 312] umount2("./173/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1167] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1167] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./166" [pid 1167] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] newfstatat(AT_FDCWD, "./173/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./168/cgroup" [pid 1167] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 1167] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1167] <... mkdirat resumed>) = 0 [pid 312] unlink("./173/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./167", 0777 [pid 1167] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] unlink("./168/cgroup" [pid 310] <... mkdir resumed>) = 0 [pid 1167] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] umount2("./173/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1167] <... unlinkat resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1167] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1167] <... unlinkat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./173/cgroup" [pid 311] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1167] close(3 [pid 313] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./173/cgroup" [pid 311] close(3 [pid 1167] close(4) = -1 EBADF (Bad file descriptor) [pid 1167] close(5) = -1 EBADF (Bad file descriptor) [pid 1167] close(6) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1168 attached [pid 1167] close(7 [pid 313] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... close resumed>) = 0 [pid 1168] set_robust_list(0x55555bb49760, 24 [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1168] <... set_robust_list resumed>) = 0 [pid 1167] close(8 [pid 313] <... openat resumed>) = 3 [pid 312] getdents64(3 [pid 311] rmdir("./168" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 169 [pid 1168] rt_sigprocmask(SIG_SETMASK, [] [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1168] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1167] close(9 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 312] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1168] chdir("./167" [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... close resumed>) = 0 [pid 311] mkdir("./169", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1168] <... chdir resumed>) = 0 [pid 1167] close(10 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./173" [pid 311] <... mkdir resumed>) = 0 [pid 1168] <... prctl resumed>) = 0 [pid 1167] close(11 [pid 312] <... rmdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1168] setpgid(0, 0 [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 312] mkdir("./174", 0777 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1168] <... setpgid resumed>) = 0 [pid 1167] close(12 [pid 1168] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1168] <... symlink resumed>) = 0 [pid 1167] close(13 [pid 1168] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... symlink resumed>) = 0 [pid 1167] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1168] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1169 attached [pid 1168] <... symlink resumed>) = 0 [pid 1167] close(15 [pid 313] newfstatat(AT_FDCWD, "./176/config" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1169] set_robust_list(0x55555bb49760, 24 [pid 1168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 171 [pid 1169] <... set_robust_list resumed>) = 0 [pid 1168] <... openat resumed>) = 3 [pid 1167] close(16 [pid 313] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1169] rt_sigprocmask(SIG_SETMASK, [] [pid 1168] write(3, "1000", 4 [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1170 attached [pid 1169] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1168] <... write resumed>) = 4 [pid 1167] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1170] set_robust_list(0x55555bb49760, 24 [pid 1169] chdir("./169" [pid 1168] close(3 [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./176/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 176 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1170] <... set_robust_list resumed>) = 0 [pid 1169] <... chdir resumed>) = 0 [pid 1168] <... close resumed>) = 0 [pid 1167] close(18 [pid 313] <... openat resumed>) = 4 [pid 1170] rt_sigprocmask(SIG_SETMASK, [] [pid 1169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1168] symlink("/dev/binderfs", "./binderfs" [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 313] fstat(4 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1170] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1169] <... prctl resumed>) = 0 [pid 1168] <... symlink resumed>) = 0 [pid 1167] close(19 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1170] chdir("./174" [pid 1169] setpgid(0, 0 [pid 1168] write(1, "executing program\n", 18 executing program [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1170] <... chdir resumed>) = 0 [pid 1169] <... setpgid resumed>) = 0 [pid 1168] <... write resumed>) = 18 [pid 1167] close(20 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1169] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1168] mkdirat(AT_FDCWD, "./config", 0777 [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1170] <... prctl resumed>) = 0 [pid 1169] <... symlink resumed>) = 0 [pid 1168] <... mkdirat resumed>) = 0 [pid 1167] close(21 [pid 1169] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1168] mount(NULL, "./config", "configfs", 0, NULL [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] <... symlink resumed>) = 0 [pid 1168] <... mount resumed>) = 0 [pid 1167] close(22 [pid 1170] setpgid(0, 0 [pid 1169] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1170] <... setpgid resumed>) = 0 [pid 1169] <... symlink resumed>) = 0 [pid 1168] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1167] close(23 [pid 1170] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1170] <... symlink resumed>) = 0 [pid 1169] <... openat resumed>) = 3 [pid 1168] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1167] close(24 [pid 1170] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1169] write(3, "1000", 4 [pid 1168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1170] <... symlink resumed>) = 0 [pid 1169] <... write resumed>) = 4 [pid 1168] <... mkdirat resumed>) = 0 [pid 1167] close(25 [pid 1170] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1169] close(3 [pid 1168] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./176/config" [pid 1170] <... symlink resumed>) = 0 [pid 1169] <... close resumed>) = 0 [pid 1168] <... symlinkat resumed>) = 0 [pid 1167] close(26 [pid 1169] symlink("/dev/binderfs", "./binderfs" [pid 1170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1168] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1170] <... openat resumed>) = 3 [pid 1169] <... symlink resumed>) = 0 [pid 1168] <... unlinkat resumed>) = 0 [pid 1167] close(27 [pid 1170] write(3, "1000", 4 [pid 1169] write(1, "executing program\n", 18 executing program [pid 1168] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1170] <... write resumed>) = 4 [pid 1169] <... write resumed>) = 18 [pid 1168] <... unlinkat resumed>) = 0 [pid 1167] close(28 [pid 1170] close(3 [pid 1169] mkdirat(AT_FDCWD, "./config", 0777 [pid 1168] close(3 [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1170] <... close resumed>) = 0 [pid 1169] <... mkdirat resumed>) = 0 [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1167] close(29 [pid 1170] symlink("/dev/binderfs", "./binderfs" [pid 1169] mount(NULL, "./config", "configfs", 0, NULL [pid 1168] close(4 [pid 1167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./176/binderfs" [pid 1170] <... symlink resumed>) = 0 [pid 1169] <... mount resumed>) = 0 [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1167] exit_group(0 [pid 1170] write(1, "executing program\n", 18 [pid 1169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1168] close(5 [pid 1167] <... exit_group resumed>) = ? executing program [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1170] <... write resumed>) = 18 [pid 1169] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1167] +++ exited with 0 +++ [pid 313] unlink("./176/binderfs" [pid 1170] mkdirat(AT_FDCWD, "./config", 0777 [pid 1169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1168] close(6 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1170] <... mkdirat resumed>) = 0 [pid 1169] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1170] mount(NULL, "./config", "configfs", 0, NULL [pid 1169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1168] close(7 [pid 313] umount2("./176/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1170] <... mount resumed>) = 0 [pid 1169] <... mkdirat resumed>) = 0 [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1169] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1168] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1170] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1169] <... symlinkat resumed>) = 0 [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1169] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1168] close(9 [pid 313] newfstatat(AT_FDCWD, "./176/cgroup.net" [pid 1170] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1169] <... unlinkat resumed>) = 0 [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1168] close(10 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1169] <... unlinkat resumed>) = 0 [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./176/cgroup.net" [pid 1169] close(3 [pid 1168] close(11 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1170] <... mkdirat resumed>) = 0 [pid 1169] close(4 [pid 1168] close(12 [pid 1170] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... unlink resumed>) = 0 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(5 [pid 1168] close(13 [pid 1170] <... symlinkat resumed>) = 0 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./176/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1170] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1169] close(6 [pid 1168] close(14 [pid 1170] <... unlinkat resumed>) = 0 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1170] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1169] close(7 [pid 1168] close(15 [pid 313] newfstatat(AT_FDCWD, "./176/cgroup.cpu" [pid 1170] <... unlinkat resumed>) = 0 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(8 [pid 1168] close(16 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1170] close(3 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./176/cgroup.cpu" [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(9 [pid 1168] close(17 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1170] close(4 [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(10 [pid 1168] close(18 [pid 313] umount2("./176/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1170] close(5 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(11 [pid 1168] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1170] close(6 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./176/cgroup" [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(12 [pid 1168] close(20 [pid 1170] close(7 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(13 [pid 1168] close(21 [pid 313] unlink("./176/cgroup" [pid 1170] close(8 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(14 [pid 1168] close(22 [pid 313] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1170] close(9 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(15 [pid 1168] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1170] close(10 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(16 [pid 1168] close(24 [pid 313] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1170] close(11 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./176" [pid 309] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(17 [pid 1168] close(25 [pid 313] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1170] close(12 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./177", 0777 [pid 309] fstat(3 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(18 [pid 1168] close(26 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1170] close(13 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(19 [pid 1168] close(27 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1170] close(14 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(20 [pid 1168] close(28 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = 0 [pid 1170] close(15 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1169] close(21 [pid 1168] close(29 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./165/config" [pid 1169] close(22 [pid 1168] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1171 attached [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1168] <... exit_group resumed>) = ? [pid 309] umount2("./165/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1171] set_robust_list(0x55555bb49760, 24 [pid 1170] close(16 [pid 1169] close(23 [pid 1168] +++ exited with 0 +++ [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 179 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1171] <... set_robust_list resumed>) = 0 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./165/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1171] rt_sigprocmask(SIG_SETMASK, [] [pid 1170] close(17 [pid 1169] close(24 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... openat resumed>) = 4 [pid 1171] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(4 [pid 1171] chdir("./177" [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(25 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1171] <... chdir resumed>) = 0 [pid 1170] close(18 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(26 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1171] <... prctl resumed>) = 0 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1170] close(19 [pid 1171] setpgid(0, 0 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(27 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1171] <... setpgid resumed>) = 0 [pid 1170] close(20 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(4 [pid 1171] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(28 [pid 309] <... close resumed>) = 0 [pid 1171] <... symlink resumed>) = 0 [pid 1170] close(21 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./165/config" [pid 1171] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] close(29 [pid 309] <... rmdir resumed>) = 0 [pid 1171] <... symlink resumed>) = 0 [pid 1169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1171] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1170] close(22 [pid 1169] exit_group(0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1171] <... symlink resumed>) = 0 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1169] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./165/binderfs" [pid 1171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1170] close(23 [pid 1169] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1171] <... openat resumed>) = 3 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./165/binderfs" [pid 1171] write(3, "1000", 4 [pid 1170] close(24 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1171] <... write resumed>) = 4 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./165/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1171] close(3 [pid 1170] close(25 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1171] <... close resumed>) = 0 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./165/cgroup.net" [pid 1171] symlink("/dev/binderfs", "./binderfs" [pid 1170] close(26 [pid 310] fstat(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1171] <... symlink resumed>) = 0 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] unlink("./165/cgroup.net" [pid 1171] write(1, "executing program\n", 18 [pid 1170] close(27 [pid 310] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 1171] <... write resumed>) = 18 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 309] umount2("./165/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1171] mkdirat(AT_FDCWD, "./config", 0777 [pid 1170] close(28 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1171] <... mkdirat resumed>) = 0 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./165/cgroup.cpu" [pid 1171] mount(NULL, "./config", "configfs", 0, NULL [pid 1170] close(29 [pid 310] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1171] <... mount resumed>) = 0 [pid 1170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./165/cgroup.cpu" [pid 1171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1170] exit_group(0 [pid 311] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1171] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1170] <... exit_group resumed>) = ? [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./165/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1171] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./165/cgroup" [pid 1171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1171] <... mkdirat resumed>) = 0 [pid 1170] +++ exited with 0 +++ [pid 311] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./165/cgroup" [pid 1171] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1171] <... symlinkat resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./167/config" [pid 309] getdents64(3 [pid 1171] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1171] <... unlinkat resumed>) = 0 [pid 311] getdents64(3 [pid 310] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1171] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1171] <... unlinkat resumed>) = 0 [pid 311] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./165" [pid 1171] close(3 [pid 311] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./167/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./166", 0777 [pid 1171] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] <... mkdir resumed>) = 0 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./169/config" [pid 310] fstat(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1171] close(5 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1171] close(6 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 ci2-android-5-15/strace-static-x86_64: Process 1172 attached [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./169/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 168 [pid 1172] set_robust_list(0x55555bb49760, 24 [pid 1171] close(7 [pid 311] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1172] <... set_robust_list resumed>) = 0 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1171] close(8 [pid 311] fstat(4 [pid 310] close(4 [pid 1172] rt_sigprocmask(SIG_SETMASK, [] [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 1172] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1171] close(9 [pid 311] getdents64(4 [pid 310] rmdir("./167/config" [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1171] close(10) = -1 EBADF (Bad file descriptor) [pid 1172] chdir("./166" [pid 1171] close(11) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... rmdir resumed>) = 0 [pid 1172] <... chdir resumed>) = 0 [pid 1171] close(12 [pid 311] getdents64(4 [pid 310] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1171] close(13) = -1 EBADF (Bad file descriptor) [pid 1171] close(14 [pid 311] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1172] <... prctl resumed>) = 0 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./167/binderfs" [pid 1172] setpgid(0, 0 [pid 1171] close(15 [pid 311] rmdir("./169/config" [pid 1172] <... setpgid resumed>) = 0 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1171] close(16 [pid 311] <... rmdir resumed>) = 0 [pid 1172] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./167/binderfs" [pid 1171] close(17 [pid 311] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1172] <... symlink resumed>) = 0 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1172] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1171] close(18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./167/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1172] <... symlink resumed>) = 0 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1172] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1171] close(19 [pid 311] newfstatat(AT_FDCWD, "./169/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1172] <... symlink resumed>) = 0 [pid 1171] close(20 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./167/cgroup.net" [pid 1172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./169/binderfs" [pid 1171] close(21 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1172] <... openat resumed>) = 3 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./167/cgroup.net" [pid 1172] write(3, "1000", 4 [pid 1171] close(22 [pid 311] umount2("./169/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1172] <... write resumed>) = 4 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1171] close(23 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1172] close(3 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./167/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./169/cgroup.net" [pid 1172] <... close resumed>) = 0 [pid 1171] close(24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1172] symlink("/dev/binderfs", "./binderfs" [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./167/cgroup.cpu" [pid 1171] close(25) = -1 EBADF (Bad file descriptor) [pid 1172] <... symlink resumed>) = 0 [pid 1171] close(26 [pid 311] unlink("./169/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1172] write(1, "executing program\n", 18 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1172] <... write resumed>) = 18 [pid 1171] close(27 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./167/cgroup.cpu" [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1172] mkdirat(AT_FDCWD, "./config", 0777 [pid 1171] close(28 [pid 311] umount2("./169/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1172] <... mkdirat resumed>) = 0 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./167/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1172] mount(NULL, "./config", "configfs", 0, NULL [pid 1171] close(29 [pid 311] newfstatat(AT_FDCWD, "./169/cgroup.cpu" [pid 1172] <... mount resumed>) = 0 [pid 1171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1172] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1171] exit_group(0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./167/cgroup" [pid 1172] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1171] <... exit_group resumed>) = ? [pid 311] unlink("./169/cgroup.cpu" [pid 1172] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1171] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1172] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./167/cgroup" [pid 1172] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./169/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1172] <... mkdirat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1172] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1172] <... symlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./169/cgroup" [pid 1172] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1172] <... unlinkat resumed>) = 0 [pid 310] close(3 [pid 311] unlink("./169/cgroup" [pid 1172] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 312] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1172] <... unlinkat resumed>) = 0 [pid 310] rmdir("./167" [pid 1172] close(3 [pid 312] <... openat resumed>) = 3 [pid 311] getdents64(3 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1172] close(4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] close(3 [pid 310] mkdir("./168", 0777 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1172] close(5 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] rmdir("./169" [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rmdir resumed>) = 0 [pid 1172] close(6 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 311] mkdir("./170", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1172] close(7 [pid 312] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... mkdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1173 attached [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1173] set_robust_list(0x55555bb49760, 24 [pid 1172] close(8 [pid 312] newfstatat(AT_FDCWD, "./174/config" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 170 [pid 1173] <... set_robust_list resumed>) = 0 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1173] rt_sigprocmask(SIG_SETMASK, [] [pid 1172] close(9 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1173] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] chdir("./168") = 0 [pid 1173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ci2-android-5-15/strace-static-x86_64: Process 1174 attached [pid 1173] setpgid(0, 0 [pid 1172] close(10 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1174] set_robust_list(0x55555bb49760, 24 [pid 1173] <... setpgid resumed>) = 0 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./174/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 172 [pid 1174] <... set_robust_list resumed>) = 0 [pid 1173] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1172] close(11 [pid 1174] rt_sigprocmask(SIG_SETMASK, [] [pid 1173] <... symlink resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1174] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1173] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1174] chdir("./170" [pid 1173] <... symlink resumed>) = 0 [pid 1172] close(12 [pid 312] fstat(4 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1174] <... chdir resumed>) = 0 [pid 1173] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1173] <... symlink resumed>) = 0 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./177", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1174] <... prctl resumed>) = 0 [pid 1173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1172] close(13 [pid 312] getdents64(4 [pid 1174] setpgid(0, 0 [pid 1173] <... openat resumed>) = 3 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1174] <... setpgid resumed>) = 0 [pid 1173] write(3, "1000", 4 [pid 1172] close(14 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1174] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1173] <... write resumed>) = 4 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1174] <... symlink resumed>) = 0 [pid 1173] close(3 [pid 1172] close(15 [pid 313] <... openat resumed>) = 3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1174] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1173] <... close resumed>) = 0 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 1174] <... symlink resumed>) = 0 [pid 1173] symlink("/dev/binderfs", "./binderfs" [pid 1172] close(16 [pid 312] close(4 [pid 1174] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1173] <... symlink resumed>) = 0 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1174] <... symlink resumed>) = 0 [pid 1173] write(1, "executing program\n", 18 [pid 1172] close(17 [pid 312] <... close resumed>) = 0 executing program [pid 1174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1173] <... write resumed>) = 18 [pid 313] getdents64(3 [pid 1174] <... openat resumed>) = 3 [pid 1173] mkdirat(AT_FDCWD, "./config", 0777 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./174/config" [pid 1174] write(3, "1000", 4 [pid 1173] <... mkdirat resumed>) = 0 [pid 1172] close(18 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1174] <... write resumed>) = 4 [pid 1173] mount(NULL, "./config", "configfs", 0, NULL [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 1174] close(3 [pid 1173] <... mount resumed>) = 0 [pid 1172] close(19 [pid 1174] <... close resumed>) = 0 [pid 1173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1174] symlink("/dev/binderfs", "./binderfs" [pid 1173] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = 0 [pid 1174] <... symlink resumed>) = 0 [pid 1173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1172] close(20 [pid 313] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1174] write(1, "executing program\n", 18 [pid 1173] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1174] <... write resumed>) = 18 [pid 1173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1172] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./174/binderfs" [pid 1174] mkdirat(AT_FDCWD, "./config", 0777 [pid 1173] <... mkdirat resumed>) = 0 [pid 1174] <... mkdirat resumed>) = 0 [pid 1173] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./177/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1174] mount(NULL, "./config", "configfs", 0, NULL [pid 1173] <... symlinkat resumed>) = 0 [pid 1172] close(22 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./174/binderfs" [pid 1174] <... mount resumed>) = 0 [pid 1173] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1173] <... unlinkat resumed>) = 0 [pid 1172] close(23 [pid 312] <... unlink resumed>) = 0 [pid 1174] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1173] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./174/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1173] <... unlinkat resumed>) = 0 [pid 1172] close(24 [pid 313] openat(AT_FDCWD, "./177/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1174] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1173] close(3 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1172] close(25 [pid 313] <... openat resumed>) = 4 [pid 312] newfstatat(AT_FDCWD, "./174/cgroup.net" [pid 1173] close(4 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1174] <... mkdirat resumed>) = 0 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1172] close(26 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] unlink("./174/cgroup.net" [pid 1174] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1173] close(5 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... unlink resumed>) = 0 [pid 1174] <... symlinkat resumed>) = 0 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1172] close(27 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] umount2("./174/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1174] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1173] close(6 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1174] <... unlinkat resumed>) = 0 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1172] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] newfstatat(AT_FDCWD, "./174/cgroup.cpu" [pid 1174] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1173] close(7 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1174] <... unlinkat resumed>) = 0 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1172] close(29 [pid 313] <... close resumed>) = 0 [pid 312] unlink("./174/cgroup.cpu" [pid 1174] close(3 [pid 1173] close(8 [pid 1172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./177/config" [pid 312] <... unlink resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1172] exit_group(0 [pid 313] <... rmdir resumed>) = 0 [pid 312] umount2("./174/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1174] close(4 [pid 1173] close(9 [pid 1172] <... exit_group resumed>) = ? [pid 313] umount2("./177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./174/cgroup" [pid 313] newfstatat(AT_FDCWD, "./177/binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./174/cgroup" [pid 1174] close(5 [pid 1172] +++ exited with 0 +++ [pid 313] unlink("./177/binderfs" [pid 312] <... unlink resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(10 [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(3 [pid 1174] close(6 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./177/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1174] close(7 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./177/cgroup.net" [pid 312] <... close resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rmdir("./174" [pid 1174] close(8 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./177/cgroup.net" [pid 312] <... rmdir resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(13 [pid 313] <... unlink resumed>) = 0 [pid 312] mkdir("./175", 0777 [pid 1174] close(9 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./177/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1174] close(10 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./177/cgroup.cpu" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1174] close(11 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./177/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1175 attached [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(16 [pid 313] <... unlink resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 177 [pid 1175] set_robust_list(0x55555bb49760, 24 [pid 1174] close(12 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./177/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1175] <... set_robust_list resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1175] rt_sigprocmask(SIG_SETMASK, [] [pid 1174] close(13 [pid 313] newfstatat(AT_FDCWD, "./177/cgroup" [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1175] chdir("./175" [pid 1174] close(14 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./177/cgroup" [pid 1175] <... chdir resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(19 [pid 313] <... unlink resumed>) = 0 [pid 1175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1174] close(15 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1175] <... prctl resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(20 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1175] setpgid(0, 0 [pid 1174] close(16 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1175] <... setpgid resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(21 [pid 313] <... close resumed>) = 0 [pid 1175] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1174] close(17 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./177" [pid 1175] <... symlink resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(22 [pid 313] <... rmdir resumed>) = 0 [pid 1175] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1174] close(18 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./178", 0777 [pid 1175] <... symlink resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(23 [pid 313] <... mkdir resumed>) = 0 [pid 1175] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1174] close(19 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1175] <... symlink resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(24 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1174] close(20 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1175] <... openat resumed>) = 3 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(25ci2-android-5-15/strace-static-x86_64: Process 1176 attached [pid 1175] write(3, "1000", 4 [pid 1174] close(21 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 180 [pid 1176] set_robust_list(0x55555bb49760, 24 [pid 1175] <... write resumed>) = 4 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(26 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1176] <... set_robust_list resumed>) = 0 [pid 1175] close(3 [pid 1174] close(22 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1176] rt_sigprocmask(SIG_SETMASK, [] [pid 1175] <... close resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(27 [pid 1176] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1175] symlink("/dev/binderfs", "./binderfs" [pid 1174] close(23 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] <... symlink resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(28 [pid 1176] chdir("./178" [pid 1175] write(1, "executing program\n", 18 [pid 1174] close(24 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1176] <... chdir resumed>) = 0 [pid 1175] <... write resumed>) = 18 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] close(29 [pid 1176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1176] <... prctl resumed>) = 0 [pid 1175] mkdirat(AT_FDCWD, "./config", 0777 [pid 1174] close(25 [pid 1173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1176] setpgid(0, 0 [pid 1175] <... mkdirat resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1176] <... setpgid resumed>) = 0 [pid 1175] mount(NULL, "./config", "configfs", 0, NULL [pid 1174] close(26 [pid 1173] exit_group(0 [pid 309] <... openat resumed>) = 3 [pid 1176] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1175] <... mount resumed>) = 0 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1173] <... exit_group resumed>) = ? [pid 309] fstat(3 [pid 1176] <... symlink resumed>) = 0 [pid 1174] close(27 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1173] +++ exited with 0 +++ [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1174] close(28 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(3 [pid 1176] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1176] <... symlink resumed>) = 0 [pid 1174] close(29 [pid 309] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1176] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1175] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 1176] <... symlink resumed>) = 0 [pid 1174] exit_group(0 [pid 309] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1174] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1176] <... openat resumed>) = 3 [pid 1174] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./166/config" [pid 1176] write(3, "1000", 4 [pid 1175] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1176] <... write resumed>) = 4 [pid 1175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1176] close(3 [pid 1175] <... mkdirat resumed>) = 0 [pid 309] umount2("./166/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1176] <... close resumed>) = 0 [pid 1175] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1176] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1175] <... symlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./166/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1176] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1176] write(1, "executing program\n", 18 [pid 1175] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1176] <... write resumed>) = 18 [pid 309] fstat(4 [pid 1175] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1176] mkdirat(AT_FDCWD, "./config", 0777 [pid 1175] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(4 [pid 1176] <... mkdirat resumed>) = 0 [pid 1175] <... unlinkat resumed>) = 0 executing program [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1176] mount(NULL, "./config", "configfs", 0, NULL [pid 1175] close(3 [pid 309] getdents64(4 [pid 1176] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1176] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(4 [pid 1176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1175] close(4 [pid 1176] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 1176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./166/config" [pid 1176] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1175] close(5 [pid 1176] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1176] <... symlinkat resumed>) = 0 [pid 1175] close(6 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1176] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./166/binderfs" [pid 1176] <... unlinkat resumed>) = 0 [pid 1175] close(7 [pid 1176] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1176] <... unlinkat resumed>) = 0 [pid 1175] close(8 [pid 309] unlink("./166/binderfs" [pid 1176] close(3 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] close(9 [pid 309] umount2("./166/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1176] close(4 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1175] close(10 [pid 1176] close(5 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./166/cgroup.net" [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] close(11 [pid 1176] close(6 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] close(12 [pid 309] unlink("./166/cgroup.net" [pid 1176] close(7 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1176] close(8 [pid 1175] close(13 [pid 309] umount2("./166/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1176] close(9 [pid 1175] close(14 [pid 309] newfstatat(AT_FDCWD, "./166/cgroup.cpu" [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1176] close(10 [pid 1175] close(15 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./166/cgroup.cpu" [pid 1176] close(11 [pid 1175] close(16 [pid 309] <... unlink resumed>) = 0 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1176] close(12 [pid 1175] close(17 [pid 309] umount2("./166/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1176] close(13 [pid 1175] close(18 [pid 309] newfstatat(AT_FDCWD, "./166/cgroup" [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1176] close(14 [pid 1175] close(19 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./166/cgroup" [pid 1176] close(15 [pid 1175] close(20 [pid 309] <... unlink resumed>) = 0 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1176] close(16 [pid 1175] close(21 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1176] close(17 [pid 1175] close(22 [pid 309] close(3 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1176] close(18 [pid 1175] close(23 [pid 309] <... close resumed>) = 0 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./166" [pid 1176] close(19 [pid 1175] close(24 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1176] close(20 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./167", 0777 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] close(25 [pid 1176] close(21 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] close(26 [pid 1176] close(22 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] close(27 [pid 310] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1176] close(23 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] close(28 [pid 310] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 311] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3ci2-android-5-15/strace-static-x86_64: Process 1177 attached [pid 1176] close(24 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1177] set_robust_list(0x55555bb49760, 24 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] close(29 [pid 311] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 1177] <... set_robust_list resumed>) = 0 [pid 1176] close(25 [pid 1175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 169 [pid 1177] rt_sigprocmask(SIG_SETMASK, [] [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1175] exit_group(0 [pid 311] fstat(3 [pid 310] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1177] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1176] close(26 [pid 1175] <... exit_group resumed>) = ? [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1177] chdir("./167" [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 310] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1177] <... chdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1175] +++ exited with 0 +++ [pid 311] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./168/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1177] <... prctl resumed>) = 0 [pid 1176] close(27 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1177] setpgid(0, 0 [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1177] <... setpgid resumed>) = 0 [pid 1176] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1177] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./170/config" [pid 310] openat(AT_FDCWD, "./168/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1177] <... symlink resumed>) = 0 [pid 1176] close(29 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 1177] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 1177] <... symlink resumed>) = 0 [pid 1176] exit_group(0 [pid 312] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1177] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1176] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./170/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 1177] <... symlink resumed>) = 0 [pid 312] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... openat resumed>) = 3 [pid 311] fstat(4 [pid 310] getdents64(4 [pid 312] fstat(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1176] +++ exited with 0 +++ [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] getdents64(4 [pid 310] close(4 [pid 1177] <... openat resumed>) = 3 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... close resumed>) = 0 [pid 1177] write(3, "1000", 4 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] getdents64(4 [pid 310] rmdir("./168/config" [pid 1177] <... write resumed>) = 4 [pid 312] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1177] close(3 [pid 312] <... umount2 resumed>) = 0 [pid 311] close(4 [pid 310] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1177] <... close resumed>) = 0 [pid 312] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1177] symlink("/dev/binderfs", "./binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./170/config" [pid 310] newfstatat(AT_FDCWD, "./168/binderfs" [pid 1177] <... symlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./175/config" [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1177] write(1, "executing program\n", 18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 310] unlink("./168/binderfs" [pid 1177] <... write resumed>) = 18 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1177] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./170/binderfs" [pid 310] umount2("./168/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1177] <... mkdirat resumed>) = 0 [pid 312] openat(AT_FDCWD, "./175/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1177] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./178", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... openat resumed>) = 4 [pid 311] unlink("./170/binderfs" [pid 310] newfstatat(AT_FDCWD, "./168/cgroup.net" [pid 1177] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] fstat(4 [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] umount2("./170/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./168/cgroup.net" [pid 1177] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 3 [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] fstat(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] newfstatat(AT_FDCWD, "./170/cgroup.net" [pid 310] umount2("./168/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1177] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] unlink("./170/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./168/cgroup.cpu" [pid 1177] <... mkdirat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] close(4 [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1177] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 311] umount2("./170/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./168/cgroup.cpu" [pid 1177] <... symlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 312] rmdir("./175/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1177] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./170/cgroup.cpu" [pid 310] umount2("./168/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1177] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1177] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] newfstatat(AT_FDCWD, "./178/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./170/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./168/cgroup" [pid 1177] <... unlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./175/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1177] close(3 [pid 313] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./170/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./168/cgroup" [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./175/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1177] close(4 [pid 313] openat(AT_FDCWD, "./178/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./170/cgroup" [pid 310] getdents64(3 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] umount2("./175/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1177] close(5 [pid 313] fstat(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./170/cgroup" [pid 310] close(3 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./175/cgroup.net" [pid 311] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1177] close(6 [pid 313] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3 [pid 310] rmdir("./168" [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] unlink("./175/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1177] close(7 [pid 313] getdents64(4 [pid 312] <... unlink resumed>) = 0 [pid 311] close(3 [pid 310] mkdir("./169", 0777 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] umount2("./175/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1177] close(8 [pid 313] close(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./170" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./175/cgroup.cpu" [pid 311] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1177] close(9 [pid 313] rmdir("./178/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] mkdir("./171", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] unlink("./175/cgroup.cpu" [pid 311] <... mkdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1178 attached [pid 1177] close(10 [pid 313] umount2("./178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 171 [pid 1178] set_robust_list(0x55555bb49760, 24 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./175/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1178] <... set_robust_list resumed>) = 0 [pid 1177] close(11 [pid 313] newfstatat(AT_FDCWD, "./178/binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1179 attached [pid 1178] rt_sigprocmask(SIG_SETMASK, [] [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./175/cgroup" [pid 1179] set_robust_list(0x55555bb49760, 24 [pid 1178] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1177] close(12 [pid 313] unlink("./178/binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 173 [pid 1179] <... set_robust_list resumed>) = 0 [pid 1178] chdir("./169" [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./175/cgroup" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1179] rt_sigprocmask(SIG_SETMASK, [] [pid 1178] <... chdir resumed>) = 0 [pid 1177] close(13 [pid 313] umount2("./178/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1179] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 1179] chdir("./171" [pid 1178] <... prctl resumed>) = 0 [pid 1177] close(14 [pid 313] newfstatat(AT_FDCWD, "./178/cgroup.net" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1179] <... chdir resumed>) = 0 [pid 1178] setpgid(0, 0 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] close(3 [pid 1179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1178] <... setpgid resumed>) = 0 [pid 1177] close(15 [pid 313] unlink("./178/cgroup.net" [pid 312] <... close resumed>) = 0 [pid 1179] <... prctl resumed>) = 0 [pid 1178] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] rmdir("./175" [pid 1179] setpgid(0, 0 [pid 1178] <... symlink resumed>) = 0 [pid 1177] close(16 [pid 313] umount2("./178/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 1179] <... setpgid resumed>) = 0 [pid 1178] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./176", 0777 [pid 1179] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1178] <... symlink resumed>) = 0 [pid 1177] close(17 [pid 313] newfstatat(AT_FDCWD, "./178/cgroup.cpu" [pid 312] <... mkdir resumed>) = 0 [pid 1179] <... symlink resumed>) = 0 [pid 1178] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1179] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1178] <... symlink resumed>) = 0 [pid 1177] close(18 [pid 313] unlink("./178/cgroup.cpu" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1179] <... symlink resumed>) = 0 [pid 1178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1179] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1178] <... openat resumed>) = 3 [pid 1177] close(19 [pid 313] umount2("./178/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1180 attached [pid 1179] <... symlink resumed>) = 0 [pid 1178] write(3, "1000", 4 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 178 [pid 1180] set_robust_list(0x55555bb49760, 24 [pid 1179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1178] <... write resumed>) = 4 [pid 1177] close(20 [pid 313] newfstatat(AT_FDCWD, "./178/cgroup" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1180] <... set_robust_list resumed>) = 0 [pid 1179] <... openat resumed>) = 3 [pid 1178] close(3 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1180] rt_sigprocmask(SIG_SETMASK, [] [pid 1179] write(3, "1000", 4 [pid 1178] <... close resumed>) = 0 [pid 1177] close(21 [pid 313] unlink("./178/cgroup" [pid 1180] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1179] <... write resumed>) = 4 [pid 1178] symlink("/dev/binderfs", "./binderfs" [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1180] chdir("./176" [pid 1179] close(3 [pid 313] getdents64(3 [pid 1180] <... chdir resumed>) = 0 [pid 1179] <... close resumed>) = 0 [pid 1178] <... symlink resumed>) = 0 [pid 1177] close(22 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1179] symlink("/dev/binderfs", "./binderfs" [pid 1178] write(1, "executing program\n", 18 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1180] <... prctl resumed>) = 0 [pid 1179] <... symlink resumed>) = 0 [pid 1178] <... write resumed>) = 18 [pid 1177] close(23 [pid 313] <... close resumed>) = 0 executing program [pid 1180] setpgid(0, 0 [pid 1179] write(1, "executing program\n", 18 [pid 1178] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 313] rmdir("./178" [pid 1180] <... setpgid resumed>) = 0 [pid 1179] <... write resumed>) = 18 [pid 1178] <... mkdirat resumed>) = 0 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1180] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1179] mkdirat(AT_FDCWD, "./config", 0777 [pid 1177] close(24 [pid 1178] mount(NULL, "./config", "configfs", 0, NULL [pid 313] mkdir("./179", 0777 [pid 1180] <... symlink resumed>) = 0 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1180] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1179] <... mkdirat resumed>) = 0 [pid 1178] <... mount resumed>) = 0 [pid 1177] close(25 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1180] <... symlink resumed>) = 0 [pid 1179] mount(NULL, "./config", "configfs", 0, NULL [pid 1178] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1180] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1179] <... mount resumed>) = 0 [pid 1178] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1177] close(26 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1181 attached [pid 1180] <... symlink resumed>) = 0 [pid 1179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1178] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1179] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1178] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1177] close(27 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 181 [pid 1181] set_robust_list(0x55555bb49760, 24 [pid 1180] <... openat resumed>) = 3 [pid 1179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1178] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1181] <... set_robust_list resumed>) = 0 [pid 1180] write(3, "1000", 4 [pid 1179] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1178] <... mkdirat resumed>) = 0 [pid 1177] close(28 [pid 1181] rt_sigprocmask(SIG_SETMASK, [] [pid 1180] <... write resumed>) = 4 [pid 1179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1178] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1180] close(3 [pid 1179] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1178] <... symlinkat resumed>) = 0 [pid 1177] close(29 [pid 1181] chdir("./179" [pid 1180] <... close resumed>) = 0 [pid 1177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1178] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1181] <... chdir resumed>) = 0 [pid 1180] symlink("/dev/binderfs", "./binderfs" [pid 1179] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1177] exit_group(0 [pid 1178] <... unlinkat resumed>) = 0 [pid 1180] <... symlink resumed>) = 0 [pid 1179] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1177] <... exit_group resumed>) = ? [pid 1181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1180] write(1, "executing program\n", 18 [pid 1179] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1177] +++ exited with 0 +++ [pid 1180] <... write resumed>) = 18 [pid 1181] <... prctl resumed>) = 0 [pid 1179] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1181] setpgid(0, 0 [pid 1180] mkdirat(AT_FDCWD, "./config", 0777 [pid 1178] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1181] <... setpgid resumed>) = 0 [pid 1179] <... unlinkat resumed>) = 0 [pid 1180] <... mkdirat resumed>) = 0 [pid 1181] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1180] mount(NULL, "./config", "configfs", 0, NULL [pid 1179] close(3 [pid 1178] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1181] <... symlink resumed>) = 0 [pid 1181] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1180] <... mount resumed>) = 0 [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(3 [pid 1181] <... symlink resumed>) = 0 executing program [pid 1180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1179] close(4 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1181] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1180] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1181] <... symlink resumed>) = 0 [pid 1180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1179] close(5 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1180] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(5 [pid 1181] <... openat resumed>) = 3 [pid 1179] close(6 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] write(3, "1000", 4 [pid 1180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] <... write resumed>) = 4 [pid 1178] close(6 [pid 1180] <... mkdirat resumed>) = 0 [pid 1179] close(7 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] close(3 [pid 1180] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(7 [pid 309] <... restart_syscall resumed>) = 0 [pid 1181] <... close resumed>) = 0 [pid 1180] <... symlinkat resumed>) = 0 [pid 1181] symlink("/dev/binderfs", "./binderfs" [pid 1179] close(8 [pid 1180] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] <... symlink resumed>) = 0 [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(8 [pid 1179] close(9 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... unlinkat resumed>) = 0 [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(9 [pid 309] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1181] write(1, "executing program\n", 18 [pid 1180] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1179] close(10 executing program [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] <... write resumed>) = 18 [pid 1180] <... unlinkat resumed>) = 0 [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(10 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1181] mkdirat(AT_FDCWD, "./config", 0777 [pid 1180] close(3 [pid 1179] close(11 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1181] <... mkdirat resumed>) = 0 [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(11 [pid 1181] mount(NULL, "./config", "configfs", 0, NULL [pid 1180] close(4 [pid 1179] close(12 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 1181] <... mount resumed>) = 0 [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(12 [pid 1181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] close(13 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(3 [pid 1181] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1180] close(5 [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(13 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] close(14 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1180] close(6 [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(14 [pid 309] getdents64(3 [pid 1181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] close(15 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1181] <... mkdirat resumed>) = 0 [pid 1181] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1180] close(7 [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(15 [pid 309] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1181] <... symlinkat resumed>) = 0 [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] close(16 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1180] close(8 [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(16 [pid 309] <... umount2 resumed>) = 0 [pid 1181] <... unlinkat resumed>) = 0 [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1180] close(9 [pid 1179] close(17 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1181] <... unlinkat resumed>) = 0 [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] close(3 [pid 1180] close(10 [pid 1179] close(18 [pid 1178] close(17 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./167/config" [pid 1181] close(4 [pid 1180] close(11 [pid 1179] close(19 [pid 1178] close(18 [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1181] close(5 [pid 1180] close(12 [pid 1179] close(20 [pid 1178] close(19 [pid 309] umount2("./167/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] close(6 [pid 1180] close(13 [pid 1179] close(21 [pid 1178] close(20 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./167/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1181] close(7 [pid 1180] close(14 [pid 1179] close(22 [pid 1178] close(21 [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1181] close(8 [pid 1180] close(15 [pid 1179] close(23 [pid 1178] close(22 [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(4 [pid 1181] close(9 [pid 1180] close(16 [pid 1179] close(24 [pid 1178] close(23 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] close(10 [pid 1180] close(17 [pid 1179] close(25 [pid 1178] close(24 [pid 309] getdents64(4 [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] close(11 [pid 1180] close(18 [pid 1179] close(26 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(25 [pid 309] getdents64(4 [pid 1181] close(12 [pid 1180] close(19 [pid 1179] close(27 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(26 [pid 309] close(4 [pid 1181] close(13 [pid 1180] close(20 [pid 1179] close(28 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(27 [pid 309] <... close resumed>) = 0 [pid 1181] close(14 [pid 1180] close(21 [pid 1179] close(29 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./167/config" [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] close(28 [pid 1181] close(15 [pid 1180] close(22 [pid 309] <... rmdir resumed>) = 0 [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1179] exit_group(0 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1181] close(16 [pid 1180] close(23 [pid 1179] <... exit_group resumed>) = ? [pid 1178] close(29 [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1179] +++ exited with 0 +++ [pid 1181] close(17 [pid 1180] close(24 [pid 1178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./167/binderfs" [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] exit_group(0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1181] close(18 [pid 1180] close(25 [pid 1178] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1178] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] unlink("./167/binderfs" [pid 1181] close(19 [pid 1180] close(26 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1181] close(20 [pid 1180] close(27 [pid 309] umount2("./167/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1181] close(21 [pid 1180] close(28 [pid 309] newfstatat(AT_FDCWD, "./167/cgroup.net" [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] close(22 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1180] close(29 [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./167/cgroup.net" [pid 1181] close(23 [pid 1180] exit_group(0 [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1180] <... exit_group resumed>) = ? [pid 309] <... unlink resumed>) = 0 [pid 1181] close(24 [pid 1180] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./167/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1181] close(25 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./167/cgroup.cpu" [pid 1181] close(26) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1181] close(27 [pid 309] unlink("./167/cgroup.cpu" [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1181] close(28 [pid 309] <... unlink resumed>) = 0 [pid 1181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 309] umount2("./167/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1181] close(29) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1181] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./167/cgroup" [pid 1181] <... exit_group resumed>) = ? [pid 312] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1181] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./167/cgroup" [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./176/config" [pid 309] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./176/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... openat resumed>) = 4 [pid 312] fstat(4 [pid 309] close(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./167" [pid 312] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 312] close(4 [pid 309] mkdir("./168", 0777 [pid 312] <... close resumed>) = 0 [pid 312] rmdir("./176/config" [pid 309] <... mkdir resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 312] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./176/binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] unlink("./176/binderfs") = 0 [pid 312] umount2("./176/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./176/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1182 attached , {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1182] set_robust_list(0x55555bb49760, 24 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] unlink("./176/cgroup.net" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 170 [pid 1182] <... set_robust_list resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1182] rt_sigprocmask(SIG_SETMASK, [] [pid 312] umount2("./176/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1182] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] umount2("./179", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1182] chdir("./168" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./176/cgroup.cpu" [pid 1182] <... chdir resumed>) = 0 [pid 313] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... openat resumed>) = 3 [pid 312] unlink("./176/cgroup.cpu" [pid 311] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1182] <... prctl resumed>) = 0 [pid 313] fstat(3 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1182] setpgid(0, 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] umount2("./176/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 311] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1182] <... setpgid resumed>) = 0 [pid 313] getdents64(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 1182] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] newfstatat(AT_FDCWD, "./176/cgroup" [pid 311] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1182] <... symlink resumed>) = 0 [pid 313] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 1182] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 313] <... umount2 resumed>) = 0 [pid 312] unlink("./176/cgroup" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(3 [pid 1182] <... symlink resumed>) = 0 [pid 313] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 1182] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1182] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./179/config" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] close(3 [pid 311] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 1182] <... openat resumed>) = 3 [pid 313] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 1182] write(3, "1000", 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./176" [pid 311] <... umount2 resumed>) = 0 [pid 310] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1182] <... write resumed>) = 4 [pid 313] openat(AT_FDCWD, "./179/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... rmdir resumed>) = 0 [pid 311] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1182] close(3 [pid 313] <... openat resumed>) = 4 [pid 312] mkdir("./177", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1182] <... close resumed>) = 0 [pid 313] fstat(4 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./169/config" [pid 1182] symlink("/dev/binderfs", "./binderfs" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] newfstatat(AT_FDCWD, "./171/config" [pid 1182] <... symlink resumed>) = 0 [pid 313] getdents64(4 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1182] write(1, "executing program\n", 18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 executing program [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1183 attached [pid 1182] <... write resumed>) = 18 [pid 313] getdents64(4 [pid 1183] set_robust_list(0x55555bb49760, 24 [pid 1182] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 179 [pid 311] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1183] <... set_robust_list resumed>) = 0 [pid 1182] <... mkdirat resumed>) = 0 [pid 313] close(4 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./169/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1183] rt_sigprocmask(SIG_SETMASK, [] [pid 1182] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] openat(AT_FDCWD, "./171/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1183] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1182] <... mount resumed>) = 0 [pid 313] rmdir("./179/config" [pid 310] <... openat resumed>) = 4 [pid 1183] chdir("./177" [pid 1182] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 1183] <... chdir resumed>) = 0 [pid 1182] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./179/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1182] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] getdents64(4 [pid 1183] <... prctl resumed>) = 0 [pid 1182] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./179/binderfs" [pid 311] getdents64(4 [pid 1183] setpgid(0, 0 [pid 1182] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1183] <... setpgid resumed>) = 0 [pid 1182] <... mkdirat resumed>) = 0 [pid 313] unlink("./179/binderfs" [pid 311] getdents64(4 [pid 310] getdents64(4 [pid 1183] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1182] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1183] <... symlink resumed>) = 0 [pid 1182] <... symlinkat resumed>) = 0 [pid 313] umount2("./179/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 1183] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1182] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 1183] <... symlink resumed>) = 0 [pid 1182] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./179/cgroup.net" [pid 311] <... close resumed>) = 0 [pid 1183] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1182] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./171/config" [pid 310] <... close resumed>) = 0 [pid 1183] <... symlink resumed>) = 0 [pid 1182] <... unlinkat resumed>) = 0 [pid 313] unlink("./179/cgroup.net" [pid 1183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1182] close(3 [pid 313] <... unlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] rmdir("./169/config" [pid 1183] <... openat resumed>) = 3 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./179/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1183] write(3, "1000", 4 [pid 1182] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 1183] <... write resumed>) = 4 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./179/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1183] close(3 [pid 1182] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./171/binderfs" [pid 1183] <... close resumed>) = 0 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./179/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1183] symlink("/dev/binderfs", "./binderfs" [pid 1182] close(6 [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./169/binderfs" [pid 1183] <... symlink resumed>) = 0 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./179/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./171/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1183] write(1, "executing program\n", 18 [pid 1182] close(7 executing program [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1183] <... write resumed>) = 18 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./179/cgroup" [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./169/binderfs" [pid 1183] mkdirat(AT_FDCWD, "./config", 0777 [pid 1182] close(8 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./171/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1183] <... mkdirat resumed>) = 0 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./179/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 1183] mount(NULL, "./config", "configfs", 0, NULL [pid 1182] close(9 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./169/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1183] <... mount resumed>) = 0 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./171/cgroup.net" [pid 1183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1182] close(10 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1183] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./169/cgroup.net" [pid 1183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1182] close(11 [pid 313] <... close resumed>) = 0 [pid 311] unlink("./171/cgroup.net" [pid 1183] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./179" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1182] close(12 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./169/cgroup.net" [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./180", 0777 [pid 1183] <... mkdirat resumed>) = 0 [pid 1182] close(13 [pid 313] <... mkdir resumed>) = 0 [pid 311] umount2("./171/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1183] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./169/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1183] <... symlinkat resumed>) = 0 [pid 1182] close(14 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./171/cgroup.cpu" [pid 1183] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1184 attached [pid 1183] <... unlinkat resumed>) = 0 [pid 1182] close(15 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 182 [pid 1184] set_robust_list(0x55555bb49760, 24 [pid 1183] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1182] close(16 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] unlink("./171/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./169/cgroup.cpu" [pid 1184] <... set_robust_list resumed>) = 0 [pid 1183] <... unlinkat resumed>) = 0 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1182] close(17 [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1184] rt_sigprocmask(SIG_SETMASK, [] [pid 1183] close(3 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./171/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./169/cgroup.cpu" [pid 1184] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1182] close(18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] chdir("./180" [pid 310] <... unlink resumed>) = 0 [pid 1184] <... chdir resumed>) = 0 [pid 1183] close(4 [pid 1182] close(19 [pid 311] newfstatat(AT_FDCWD, "./171/cgroup" [pid 310] umount2("./169/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1184] <... prctl resumed>) = 0 [pid 1183] close(5 [pid 1182] close(20 [pid 311] unlink("./171/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1184] setpgid(0, 0 [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] <... setpgid resumed>) = 0 [pid 1183] close(6 [pid 1182] close(21 [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./169/cgroup" [pid 1184] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1182] close(22 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1184] <... symlink resumed>) = 0 [pid 1183] close(7 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] unlink("./169/cgroup" [pid 1184] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1182] close(23 [pid 311] close(3 [pid 310] <... unlink resumed>) = 0 [pid 1184] <... symlink resumed>) = 0 [pid 1183] close(8 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 1184] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1182] close(24 [pid 311] rmdir("./171" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1184] <... symlink resumed>) = 0 [pid 1183] close(9 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1182] close(25 [pid 311] <... rmdir resumed>) = 0 [pid 310] close(3 [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] <... openat resumed>) = 3 [pid 1183] close(10 [pid 1182] close(26 [pid 311] mkdir("./172", 0777 [pid 1184] write(3, "1000", 4 [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1184] <... write resumed>) = 4 [pid 1183] close(11 [pid 1182] close(27 [pid 311] <... mkdir resumed>) = 0 [pid 310] rmdir("./169" [pid 1184] close(3 [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1184] <... close resumed>) = 0 [pid 1183] close(12 [pid 1182] close(28 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1184] symlink("/dev/binderfs", "./binderfs" [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] mkdir("./170", 0777 [pid 1184] <... symlink resumed>) = 0 [pid 1183] close(13 [pid 1182] close(29) = -1 EBADF (Bad file descriptor) [pid 1182] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1185 attached [pid 1184] write(1, "executing program\n", 18 [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1182] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 executing program [pid 1185] set_robust_list(0x55555bb49760, 24 [pid 1184] <... write resumed>) = 18 [pid 1183] close(14 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 174 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1185] <... set_robust_list resumed>) = 0 [pid 1184] mkdirat(AT_FDCWD, "./config", 0777 [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1185] rt_sigprocmask(SIG_SETMASK, [] [pid 1184] <... mkdirat resumed>) = 0 [pid 1183] close(15 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1185] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1184] mount(NULL, "./config", "configfs", 0, NULL [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] chdir("./172") = 0 [pid 1185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1185] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 1186 attached ) = 0 [pid 1184] <... mount resumed>) = 0 [pid 1186] set_robust_list(0x55555bb49760, 24 [pid 1185] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1183] close(16 [pid 1184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 172 [pid 1186] <... set_robust_list resumed>) = 0 [pid 1185] <... symlink resumed>) = 0 [pid 1184] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] rt_sigprocmask(SIG_SETMASK, [] [pid 1185] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1183] close(17 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1186] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1185] <... symlink resumed>) = 0 [pid 1184] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1186] chdir("./170" [pid 1185] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1183] close(18 [pid 1186] <... chdir resumed>) = 0 [pid 1185] <... symlink resumed>) = 0 [pid 1186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1184] <... mkdirat resumed>) = 0 [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] <... prctl resumed>) = 0 [pid 1185] <... openat resumed>) = 3 [pid 1184] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1183] close(19 [pid 1186] setpgid(0, 0 [pid 1185] write(3, "1000", 4 [pid 1186] <... setpgid resumed>) = 0 [pid 1185] <... write resumed>) = 4 [pid 1184] <... symlinkat resumed>) = 0 [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1185] close(3 [pid 1184] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1183] close(20 [pid 1186] <... symlink resumed>) = 0 [pid 1185] <... close resumed>) = 0 [pid 1184] <... unlinkat resumed>) = 0 [pid 1186] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1185] symlink("/dev/binderfs", "./binderfs" [pid 1184] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] <... symlink resumed>) = 0 [pid 1185] <... symlink resumed>) = 0 [pid 1186] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1185] write(1, "executing program\n", 18 [pid 1184] <... unlinkat resumed>) = 0 executing program [pid 1186] <... symlink resumed>) = 0 [pid 1185] <... write resumed>) = 18 [pid 1184] close(3 [pid 1183] close(21 [pid 1186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1185] mkdirat(AT_FDCWD, "./config", 0777 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] <... openat resumed>) = 3 [pid 1185] <... mkdirat resumed>) = 0 [pid 1184] close(4 [pid 1183] close(22 [pid 1186] write(3, "1000", 4 [pid 1185] mount(NULL, "./config", "configfs", 0, NULL [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] <... write resumed>) = 4 [pid 1185] <... mount resumed>) = 0 [pid 1184] close(5 [pid 1183] close(23 [pid 1186] close(3 [pid 1185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] <... close resumed>) = 0 [pid 1185] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1184] close(6 [pid 1183] close(24 [pid 1186] symlink("/dev/binderfs", "./binderfs" [pid 1185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] <... symlink resumed>) = 0 [pid 1185] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1186] write(1, "executing program\n", 18 executing program [pid 1185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1184] close(7 [pid 1183] close(25 [pid 1186] <... write resumed>) = 18 [pid 1185] <... mkdirat resumed>) = 0 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... restart_syscall resumed>) = 0 [pid 1186] mkdirat(AT_FDCWD, "./config", 0777 [pid 1185] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1184] close(8 [pid 1183] close(26 [pid 1186] <... mkdirat resumed>) = 0 [pid 1185] <... symlinkat resumed>) = 0 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] mount(NULL, "./config", "configfs", 0, NULL [pid 1185] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1184] close(9 [pid 1183] close(27 [pid 1186] <... mount resumed>) = 0 [pid 1185] <... unlinkat resumed>) = 0 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1185] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1184] close(10 [pid 1183] close(28 [pid 1186] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1185] <... unlinkat resumed>) = 0 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1185] close(3 [pid 1184] close(11 [pid 1183] close(29 [pid 1186] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1185] close(4 [pid 1184] close(12 [pid 1186] <... mkdirat resumed>) = 0 [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1183] exit_group(0 [pid 309] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1186] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1185] close(5 [pid 1184] close(13 [pid 1183] <... exit_group resumed>) = ? [pid 1186] <... symlinkat resumed>) = 0 [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 1186] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1185] close(6 [pid 1186] <... unlinkat resumed>) = 0 [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1185] close(7 [pid 1186] <... unlinkat resumed>) = 0 [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] close(14 [pid 1183] +++ exited with 0 +++ [pid 309] fstat(3 [pid 1186] close(3 [pid 1185] close(8 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] close(15 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1186] close(4 [pid 1185] close(9 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] close(16 [pid 1186] close(5 [pid 1185] close(10 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] close(17 [pid 309] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1186] close(6 [pid 1185] close(11 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] close(18 [pid 309] <... umount2 resumed>) = 0 [pid 1186] close(7 [pid 1185] close(12 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] close(19 [pid 1186] close(8 [pid 1185] close(13 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] close(20 [pid 309] newfstatat(AT_FDCWD, "./168/config" [pid 1186] close(9 [pid 1185] close(14 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] close(21 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1186] close(10 [pid 1185] close(15 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./168/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] close(22 [pid 1186] close(11 [pid 1185] close(16 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] close(23 [pid 309] openat(AT_FDCWD, "./168/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1186] close(12 [pid 1185] close(17 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] close(24 [pid 309] <... openat resumed>) = 4 [pid 1186] close(13 [pid 1185] close(18 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(4 [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] close(25 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1186] close(14 [pid 1185] close(19 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] close(26 [pid 309] getdents64(4 [pid 1186] close(15 [pid 1185] close(20 [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... restart_syscall resumed>) = 0 [pid 1186] close(16 [pid 1185] close(21 [pid 1184] close(27 [pid 309] getdents64(4 [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] close(17 [pid 1185] close(22 [pid 1184] close(28 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./177", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 1186] close(18 [pid 1185] close(23 [pid 1184] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 1186] close(19 [pid 1185] close(24 [pid 1184] exit_group(0 [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1184] <... exit_group resumed>) = ? [pid 312] <... openat resumed>) = 3 [pid 309] rmdir("./168/config" [pid 1186] close(20 [pid 1185] close(25 [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] close(21 [pid 1185] close(26 [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1186] close(22 [pid 1185] close(27 [pid 1184] +++ exited with 0 +++ [pid 312] fstat(3 [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rmdir resumed>) = 0 [pid 1186] close(23 [pid 1185] close(28 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1186] close(24 [pid 1185] close(29 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] newfstatat(AT_FDCWD, "./168/binderfs" [pid 1186] close(25 [pid 1185] exit_group(0 [pid 312] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1185] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1186] close(26 [pid 1185] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = 0 [pid 309] unlink("./168/binderfs" [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1186] close(27 [pid 309] <... unlink resumed>) = 0 [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1186] close(28 [pid 312] newfstatat(AT_FDCWD, "./177/config" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./168/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1186] close(29 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./168/cgroup.net" [pid 1186] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1186] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] openat(AT_FDCWD, "./177/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1186] +++ exited with 0 +++ [pid 311] <... restart_syscall resumed>) = 0 [pid 309] unlink("./168/cgroup.net" [pid 312] <... openat resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] fstat(4 [pid 311] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] umount2("./168/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(4 [pid 311] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./168/cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... openat resumed>) = 3 [pid 312] close(4 [pid 311] fstat(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] unlink("./168/cgroup.cpu" [pid 312] rmdir("./177/config" [pid 311] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 309] umount2("./168/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./177/binderfs" [pid 309] newfstatat(AT_FDCWD, "./168/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 312] unlink("./177/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./168/cgroup" [pid 311] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 312] umount2("./177/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./172/config" [pid 312] newfstatat(AT_FDCWD, "./177/cgroup.net" [pid 310] fstat(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 312] unlink("./177/cgroup.net" [pid 311] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./177/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./172/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 309] rmdir("./168" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] newfstatat(AT_FDCWD, "./177/cgroup.cpu" [pid 311] fstat(4 [pid 310] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] mkdir("./169", 0777 [pid 312] unlink("./177/cgroup.cpu" [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] umount2("./177/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] newfstatat(AT_FDCWD, "./177/cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./170/config"ci2-android-5-15/strace-static-x86_64: Process 1187 attached [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1187] set_robust_list(0x55555bb49760, 24 [pid 312] unlink("./177/cgroup" [pid 311] close(4 [pid 1187] <... set_robust_list resumed>) = 0 [pid 310] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 171 [pid 1187] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1187] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] getdents64(3 [pid 311] rmdir("./172/config" [pid 310] openat(AT_FDCWD, "./170/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1187] chdir("./169" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1187] <... chdir resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] close(3 [pid 311] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 1187] <... prctl resumed>) = 0 [pid 312] rmdir("./177" [pid 311] newfstatat(AT_FDCWD, "./172/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1187] setpgid(0, 0 [pid 313] umount2("./180", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1187] <... setpgid resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./178", 0777 [pid 311] unlink("./172/binderfs" [pid 310] getdents64(4 [pid 1187] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 313] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1187] <... symlink resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1187] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 313] fstat(3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./172/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1187] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(4 [pid 1187] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] getdents64(3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1187] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1188 attached [pid 1187] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./172/cgroup.net" [pid 310] close(4 [pid 1188] set_robust_list(0x55555bb49760, 24 [pid 1187] write(3, "1000", 4 [pid 313] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 180 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 1188] <... set_robust_list resumed>) = 0 [pid 1187] <... write resumed>) = 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] unlink("./172/cgroup.net" [pid 310] rmdir("./170/config" [pid 1188] rt_sigprocmask(SIG_SETMASK, [] [pid 1187] close(3 [pid 313] newfstatat(AT_FDCWD, "./180/config" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1188] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1187] <... close resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1188] chdir("./178" [pid 1187] symlink("/dev/binderfs", "./binderfs" [pid 313] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./172/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1188] <... chdir resumed>) = 0 [pid 1187] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1187] write(1, "executing program\n", 18 [pid 313] openat(AT_FDCWD, "./180/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./172/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1188] <... prctl resumed>) = 0 [pid 1187] <... write resumed>) = 18 [pid 313] <... openat resumed>) = 4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./170/binderfs" [pid 1188] setpgid(0, 0 [pid 1187] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] fstat(4 [pid 311] unlink("./172/cgroup.cpu" [pid 1188] <... setpgid resumed>) = 0 [pid 1187] <... mkdirat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1188] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1187] mount(NULL, "./config", "configfs", 0, NULL [pid 313] getdents64(4 [pid 311] umount2("./172/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./170/binderfs" [pid 1188] <... symlink resumed>) = 0 [pid 1187] <... mount resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1188] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1187] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./172/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 1188] <... symlink resumed>) = 0 [pid 1187] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1188] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1187] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] close(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./170/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1188] <... symlink resumed>) = 0 [pid 1187] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... close resumed>) = 0 [pid 311] unlink("./172/cgroup" [pid 1188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1187] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] rmdir("./180/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1188] <... openat resumed>) = 3 [pid 1187] <... mkdirat resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1188] write(3, "1000", 4 [pid 1187] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... rmdir resumed>) = 0 [pid 311] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./170/cgroup.net" [pid 1188] <... write resumed>) = 4 [pid 1187] <... symlinkat resumed>) = 0 [pid 313] umount2("./180/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1188] close(3 [pid 1187] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1188] <... close resumed>) = 0 [pid 1187] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./180/binderfs" [pid 311] close(3 [pid 310] unlink("./170/cgroup.net" [pid 1188] symlink("/dev/binderfs", "./binderfs" [pid 1187] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 1188] <... symlink resumed>) = 0 [pid 1187] <... unlinkat resumed>) = 0 [pid 313] unlink("./180/binderfs" [pid 311] rmdir("./172" [pid 310] <... unlink resumed>) = 0 [pid 1188] write(1, "executing program\n", 18 executing program [pid 1187] close(3 [pid 313] <... unlink resumed>) = 0 [pid 1188] <... write resumed>) = 18 [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./170/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1188] mkdirat(AT_FDCWD, "./config", 0777 [pid 1187] close(4 [pid 313] umount2("./180/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1187] close(5) = -1 EBADF (Bad file descriptor) [pid 1187] close(6) = -1 EBADF (Bad file descriptor) [pid 1187] close(7) = -1 EBADF (Bad file descriptor) [pid 1187] close(8) = -1 EBADF (Bad file descriptor) [pid 1187] close(9 [pid 311] mkdir("./173", 0777 [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1188] <... mkdirat resumed>) = 0 [pid 1187] close(10 [pid 311] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./170/cgroup.cpu" [pid 1188] mount(NULL, "./config", "configfs", 0, NULL [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1188] <... mount resumed>) = 0 [pid 1187] close(11 [pid 313] newfstatat(AT_FDCWD, "./180/cgroup.net" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1188] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1188] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1187] close(12 [pid 313] unlink("./180/cgroup.net" [pid 310] unlink("./170/cgroup.cpu" [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1187] close(13) = -1 EBADF (Bad file descriptor) [pid 1187] close(14) = -1 EBADF (Bad file descriptor) [pid 1187] close(15) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1189 attached [pid 1188] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1187] close(16 [pid 313] <... unlink resumed>) = 0 [pid 1189] set_robust_list(0x55555bb49760, 24 [pid 1188] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./180/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 175 [pid 310] <... unlink resumed>) = 0 [pid 1189] <... set_robust_list resumed>) = 0 [pid 1188] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1187] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./170/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1189] rt_sigprocmask(SIG_SETMASK, [] [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1189] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1188] <... mkdirat resumed>) = 0 [pid 1187] close(18 [pid 313] newfstatat(AT_FDCWD, "./180/cgroup.cpu" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1189] chdir("./173" [pid 1188] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./170/cgroup" [pid 1189] <... chdir resumed>) = 0 [pid 1188] <... symlinkat resumed>) = 0 [pid 1187] close(19 [pid 313] unlink("./180/cgroup.cpu" [pid 1189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1188] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1189] <... prctl resumed>) = 0 [pid 1188] <... unlinkat resumed>) = 0 [pid 1187] close(20 [pid 313] <... unlink resumed>) = 0 [pid 310] unlink("./170/cgroup" [pid 1189] setpgid(0, 0 [pid 1188] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./180/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1189] <... setpgid resumed>) = 0 [pid 1188] <... unlinkat resumed>) = 0 [pid 1187] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1189] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1188] close(3 [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./180/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1189] <... symlink resumed>) = 0 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1187] close(22 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 1189] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1188] close(4 [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./180/cgroup" [pid 1189] <... symlink resumed>) = 0 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1187] close(23 [pid 310] <... close resumed>) = 0 [pid 1189] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1188] close(5 [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] rmdir("./170" [pid 1189] <... symlink resumed>) = 0 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1187] close(24 [pid 313] getdents64(3 [pid 1189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1188] close(6 [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1189] <... openat resumed>) = 3 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1187] close(25 [pid 313] close(3 [pid 310] mkdir("./171", 0777 [pid 1189] write(3, "1000", 4 [pid 1188] close(7 [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1189] <... write resumed>) = 4 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1187] close(26 [pid 313] rmdir("./180" [pid 310] <... mkdir resumed>) = 0 [pid 1189] close(3 [pid 1188] close(8 [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] <... close resumed>) = 0 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1187] close(27 [pid 313] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1189] symlink("/dev/binderfs", "./binderfs" [pid 1188] close(9 [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./181", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1189] <... symlink resumed>) = 0 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1187] close(28 [pid 1189] write(1, "executing program\n", 18 [pid 1188] close(10 [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 executing program [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1189] <... write resumed>) = 18 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1187] close(29 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1189] mkdirat(AT_FDCWD, "./config", 0777 [pid 1187] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1190 attached [pid 1189] <... mkdirat resumed>) = 0 [pid 1188] close(11 [pid 1187] exit_group(0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1190] set_robust_list(0x55555bb49760, 24 [pid 1189] mount(NULL, "./config", "configfs", 0, NULL [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1187] <... exit_group resumed>) = ? [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 173 ci2-android-5-15/strace-static-x86_64: Process 1191 attached [pid 1190] <... set_robust_list resumed>) = 0 [pid 1189] <... mount resumed>) = 0 [pid 1188] close(12 [pid 1187] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1191] set_robust_list(0x55555bb49760, 24 [pid 1190] rt_sigprocmask(SIG_SETMASK, [] [pid 1189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 183 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1191] <... set_robust_list resumed>) = 0 [pid 1190] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1189] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1188] close(13 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1191] rt_sigprocmask(SIG_SETMASK, [] [pid 1190] chdir("./171" [pid 1189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1191] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1190] <... chdir resumed>) = 0 [pid 1189] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1188] close(14 [pid 1191] chdir("./181" [pid 1190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1191] <... chdir resumed>) = 0 [pid 1190] <... prctl resumed>) = 0 [pid 1188] close(15 [pid 309] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1190] setpgid(0, 0 [pid 1189] <... mkdirat resumed>) = 0 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1190] <... setpgid resumed>) = 0 [pid 1189] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1188] close(16 [pid 309] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1191] <... prctl resumed>) = 0 [pid 1190] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 1191] setpgid(0, 0 [pid 1190] <... symlink resumed>) = 0 [pid 1189] <... symlinkat resumed>) = 0 [pid 1188] close(17 [pid 309] fstat(3 [pid 1191] <... setpgid resumed>) = 0 [pid 1190] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1189] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1191] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1190] <... symlink resumed>) = 0 [pid 1189] <... unlinkat resumed>) = 0 [pid 1188] close(18 [pid 309] getdents64(3 [pid 1191] <... symlink resumed>) = 0 [pid 1190] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1189] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1191] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1190] <... symlink resumed>) = 0 [pid 1188] close(19 [pid 309] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1191] <... symlink resumed>) = 0 [pid 1190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1189] <... unlinkat resumed>) = 0 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 1191] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1190] <... openat resumed>) = 3 [pid 1189] close(3 [pid 1188] close(20 [pid 309] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1191] <... symlink resumed>) = 0 [pid 1190] write(3, "1000", 4 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1190] <... write resumed>) = 4 [pid 1189] close(4 [pid 1188] close(21 [pid 309] newfstatat(AT_FDCWD, "./169/config" [pid 1191] <... openat resumed>) = 3 [pid 1190] close(3 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1191] write(3, "1000", 4 [pid 1190] <... close resumed>) = 0 [pid 1189] close(5 [pid 1188] close(22 [pid 309] umount2("./169/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1191] <... write resumed>) = 4 [pid 1190] symlink("/dev/binderfs", "./binderfs" [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1191] close(3 [pid 1190] <... symlink resumed>) = 0 [pid 1189] close(6 [pid 1188] close(23 [pid 309] openat(AT_FDCWD, "./169/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1191] <... close resumed>) = 0 executing program [pid 1190] write(1, "executing program\n", 18 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1191] symlink("/dev/binderfs", "./binderfs" [pid 1190] <... write resumed>) = 18 [pid 1189] close(7 [pid 1188] close(24 [pid 309] fstat(4 [pid 1190] mkdirat(AT_FDCWD, "./config", 0777 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1191] <... symlink resumed>) = 0 [pid 1190] <... mkdirat resumed>) = 0 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1188] close(25 [pid 309] getdents64(4 [pid 1191] write(1, "executing program\n", 18 executing program [pid 1190] mount(NULL, "./config", "configfs", 0, NULL [pid 1189] close(8 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1191] <... write resumed>) = 18 [pid 1190] <... mount resumed>) = 0 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1188] close(26 [pid 309] getdents64(4 [pid 1191] mkdirat(AT_FDCWD, "./config", 0777 [pid 1190] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1189] close(9 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1191] <... mkdirat resumed>) = 0 [pid 1190] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1188] close(27 [pid 309] close(4 [pid 1191] mount(NULL, "./config", "configfs", 0, NULL [pid 1190] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1189] close(10 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1191] <... mount resumed>) = 0 [pid 1190] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1188] close(28 [pid 309] rmdir("./169/config" [pid 1191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1190] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1189] close(11 [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1191] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1190] <... mkdirat resumed>) = 0 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1188] close(29 [pid 309] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1190] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1191] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1190] <... symlinkat resumed>) = 0 [pid 1189] close(12 [pid 1188] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./169/binderfs" [pid 1191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1190] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1188] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1191] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1190] <... unlinkat resumed>) = 0 [pid 1189] close(13 [pid 1188] +++ exited with 0 +++ [pid 309] unlink("./169/binderfs" [pid 1191] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1190] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... unlink resumed>) = 0 [pid 1191] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1190] <... unlinkat resumed>) = 0 [pid 1189] close(14 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./169/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1191] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1190] close(3 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1191] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] close(15 [pid 309] newfstatat(AT_FDCWD, "./169/cgroup.net" [pid 1191] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1190] close(4 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1191] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] close(16 [pid 309] unlink("./169/cgroup.net" [pid 1191] close(3 [pid 1190] close(5 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] close(17 [pid 309] umount2("./169/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1191] close(4 [pid 1190] close(6 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] close(18 [pid 309] newfstatat(AT_FDCWD, "./169/cgroup.cpu" [pid 1191] close(5 [pid 1190] close(7 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] close(19 [pid 309] unlink("./169/cgroup.cpu" [pid 1191] close(6 [pid 1190] close(8 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] close(20 [pid 309] umount2("./169/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1191] close(7 [pid 1190] close(9 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] close(21 [pid 309] newfstatat(AT_FDCWD, "./169/cgroup" [pid 1191] close(8 [pid 1190] close(10 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] close(22 [pid 309] unlink("./169/cgroup" [pid 1191] close(9 [pid 1190] close(11 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] close(23 [pid 309] getdents64(3 [pid 1191] close(10 [pid 1190] close(12 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1191] close(11 [pid 1190] close(13 [pid 1189] close(24 [pid 309] <... close resumed>) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./169" [pid 1191] close(12 [pid 1190] close(14 [pid 1189] close(25 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./170", 0777 [pid 1191] close(13 [pid 1190] close(15 [pid 1189] close(26 [pid 309] <... mkdir resumed>) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./178", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1191] close(14 [pid 1190] close(16 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] close(27 [pid 312] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1191] close(15 [pid 1190] close(17 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 1192 attached [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] close(28 [pid 312] fstat(3 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 172 [pid 1192] set_robust_list(0x55555bb49760, 24 [pid 1191] close(16 [pid 1190] close(18 [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1192] <... set_robust_list resumed>) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] close(29 [pid 312] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1190] close(19 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1192] rt_sigprocmask(SIG_SETMASK, [] [pid 1191] close(17 [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1192] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] close(20 [pid 1189] exit_group(0 [pid 1192] chdir("./170" [pid 1191] close(18 [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1192] <... chdir resumed>) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] close(21 [pid 1189] <... exit_group resumed>) = ? [pid 312] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1191] close(19 [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1190] close(22 [pid 312] newfstatat(AT_FDCWD, "./178/config" [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1190] close(23 [pid 312] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1189] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1192] <... prctl resumed>) = 0 [pid 1191] close(20 [pid 1190] close(24 [pid 312] openat(AT_FDCWD, "./178/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1192] setpgid(0, 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1192] <... setpgid resumed>) = 0 [pid 1191] close(21 [pid 1190] close(25 [pid 312] fstat(4 [pid 1192] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1192] <... symlink resumed>) = 0 [pid 1191] close(22 [pid 1190] close(26 [pid 312] getdents64(4 [pid 1192] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1192] <... symlink resumed>) = 0 [pid 1191] close(23 [pid 1190] close(27 [pid 312] getdents64(4 [pid 1192] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1192] <... symlink resumed>) = 0 [pid 1191] close(24 [pid 1190] close(28 [pid 312] close(4 [pid 1192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1190] close(29 [pid 312] rmdir("./178/config" [pid 1192] <... openat resumed>) = 3 [pid 1191] close(25 [pid 1190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1192] write(3, "1000", 4 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1190] exit_group(0 [pid 312] umount2("./178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1192] <... write resumed>) = 4 [pid 1190] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1192] close(3 [pid 1191] close(26 [pid 1190] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./178/binderfs" [pid 1192] <... close resumed>) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1192] symlink("/dev/binderfs", "./binderfs" [pid 1191] close(27 [pid 312] unlink("./178/binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1192] <... symlink resumed>) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1192] write(1, "executing program\n", 18 [pid 1191] close(28 executing program [pid 312] umount2("./178/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1192] <... write resumed>) = 18 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./178/cgroup.net" [pid 310] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1192] mkdirat(AT_FDCWD, "./config", 0777 [pid 1191] close(29 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1192] <... mkdirat resumed>) = 0 [pid 1191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./178/cgroup.net" [pid 310] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1192] mount(NULL, "./config", "configfs", 0, NULL [pid 1191] exit_group(0 [pid 312] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1192] <... mount resumed>) = 0 [pid 1191] <... exit_group resumed>) = ? [pid 312] umount2("./178/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 1192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./178/cgroup.cpu" [pid 310] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] unlink("./178/cgroup.cpu" [pid 310] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1192] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1191] +++ exited with 0 +++ [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./178/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1192] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] newfstatat(AT_FDCWD, "./178/cgroup" [pid 310] newfstatat(AT_FDCWD, "./171/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./178/cgroup" [pid 311] <... restart_syscall resumed>) = 0 [pid 1192] <... mkdirat resumed>) = 0 [pid 310] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1192] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 310] openat(AT_FDCWD, "./171/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1192] <... symlinkat resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 1192] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 312] <... close resumed>) = 0 [pid 311] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1192] <... unlinkat resumed>) = 0 [pid 312] rmdir("./178" [pid 311] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 1192] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... rmdir resumed>) = 0 [pid 311] fstat(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] mkdir("./179", 0777 [pid 1192] <... unlinkat resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(4 [pid 1192] close(3 [pid 312] <... mkdir resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] close(4 [pid 1192] close(4 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = 0 [pid 310] rmdir("./171/config"ci2-android-5-15/strace-static-x86_64: Process 1193 attached [pid 1192] close(5 [pid 311] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 1193] set_robust_list(0x55555bb49760, 24 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 181 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1193] <... set_robust_list resumed>) = 0 [pid 1192] close(6 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] newfstatat(AT_FDCWD, "./173/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./171/binderfs" [pid 1193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1193] chdir("./179" [pid 1192] close(7 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./171/binderfs" [pid 1193] <... chdir resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./173/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... unlink resumed>) = 0 [pid 1193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1192] close(8 [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./171/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1193] <... prctl resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1193] setpgid(0, 0 [pid 1192] close(9 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./171/cgroup.net" [pid 1193] <... setpgid resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1193] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1192] close(10 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] unlink("./171/cgroup.net" [pid 1193] <... symlink resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 1193] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1192] close(11 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./171/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1193] <... symlink resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1193] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1192] close(12 [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./171/cgroup.cpu" [pid 1193] <... symlink resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./173/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1192] close(13 [pid 311] <... rmdir resumed>) = 0 [pid 310] unlink("./171/cgroup.cpu" [pid 311] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1193] <... openat resumed>) = 3 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./171/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1193] write(3, "1000", 4 [pid 1192] close(14 [pid 311] newfstatat(AT_FDCWD, "./173/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1193] <... write resumed>) = 4 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./171/cgroup" [pid 1193] close(3 [pid 1192] close(15 [pid 311] unlink("./173/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1193] <... close resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./171/cgroup" [pid 1193] symlink("/dev/binderfs", "./binderfs" [pid 1192] close(16 [pid 311] umount2("./173/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1193] <... symlink resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1193] write(1, "executing program\n", 18 [pid 1192] close(17 [pid 311] newfstatat(AT_FDCWD, "./173/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1193] <... write resumed>) = 18 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 executing program [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 1193] mkdirat(AT_FDCWD, "./config", 0777 [pid 1192] close(18 [pid 311] unlink("./173/cgroup.net" [pid 310] <... close resumed>) = 0 [pid 1193] <... mkdirat resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./171" [pid 1193] mount(NULL, "./config", "configfs", 0, NULL [pid 1192] close(19 [pid 313] umount2("./181", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./173/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 1193] <... mount resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./172", 0777 [pid 1193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1192] close(20 [pid 313] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./173/cgroup.cpu" [pid 310] <... mkdir resumed>) = 0 [pid 1193] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1192] close(21 [pid 313] fstat(3 [pid 311] unlink("./173/cgroup.cpu" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1193] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1192] close(22 [pid 313] getdents64(3 [pid 311] umount2("./173/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1194 attached [pid 1193] <... mkdirat resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 174 [pid 1194] set_robust_list(0x55555bb49760, 24 [pid 1193] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1192] close(23 [pid 313] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./173/cgroup" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1194] <... set_robust_list resumed>) = 0 [pid 1193] <... symlinkat resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1194] rt_sigprocmask(SIG_SETMASK, [] [pid 1193] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1192] close(24 [pid 313] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./173/cgroup" [pid 1194] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1193] <... unlinkat resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 1194] chdir("./172" [pid 1193] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1192] close(25 [pid 313] newfstatat(AT_FDCWD, "./181/config" [pid 311] getdents64(3 [pid 1194] <... chdir resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1193] <... unlinkat resumed>) = 0 [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 1194] <... prctl resumed>) = 0 [pid 1193] close(3 [pid 1192] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 1194] setpgid(0, 0 [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./181/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rmdir("./173" [pid 1194] <... setpgid resumed>) = 0 [pid 1193] close(4 [pid 1192] close(27 [pid 313] <... openat resumed>) = 4 [pid 311] <... rmdir resumed>) = 0 [pid 1194] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] mkdir("./174", 0777 [pid 1194] <... symlink resumed>) = 0 [pid 1193] close(5 [pid 1192] close(28 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 1194] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1194] <... symlink resumed>) = 0 [pid 1193] close(6 [pid 1192] close(29 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1194] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1194] <... symlink resumed>) = 0 [pid 1193] close(7 [pid 1192] exit_group(0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1195 attached [pid 313] close(4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 176 [pid 1195] set_robust_list(0x55555bb49760, 24 [pid 1194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1192] <... exit_group resumed>) = ? [pid 313] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1195] <... set_robust_list resumed>) = 0 [pid 1194] <... openat resumed>) = 3 [pid 1193] close(8 [pid 313] rmdir("./181/config" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 313] umount2("./181/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./181/binderfs" [pid 1192] +++ exited with 0 +++ [pid 313] <... unlink resumed>) = 0 [pid 313] umount2("./181/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1195] rt_sigprocmask(SIG_SETMASK, [] [pid 1194] write(3, "1000", 4 [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1195] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1194] <... write resumed>) = 4 [pid 1193] close(9 [pid 313] newfstatat(AT_FDCWD, "./181/cgroup.net" [pid 1195] chdir("./174" [pid 1194] close(3 [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./181/cgroup.net" [pid 1195] <... chdir resumed>) = 0 [pid 1194] <... close resumed>) = 0 [pid 1193] close(10 [pid 313] <... unlink resumed>) = 0 [pid 1195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1194] symlink("/dev/binderfs", "./binderfs" [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./181/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1195] <... prctl resumed>) = 0 [pid 1194] <... symlink resumed>) = 0 [pid 1193] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1195] setpgid(0, 0 [pid 1194] write(1, "executing program\n", 18 [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] newfstatat(AT_FDCWD, "./181/cgroup.cpu" [pid 1195] <... setpgid resumed>) = 0 [pid 1194] <... write resumed>) = 18 [pid 1193] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1195] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] unlink("./181/cgroup.cpu" [pid 1194] mkdirat(AT_FDCWD, "./config", 0777 [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1195] <... symlink resumed>) = 0 [pid 1193] close(13 [pid 313] umount2("./181/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1195] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1194] <... mkdirat resumed>) = 0 [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1195] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./181/cgroup" [pid 1194] mount(NULL, "./config", "configfs", 0, NULL [pid 1195] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1193] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1194] <... mount resumed>) = 0 [pid 313] unlink("./181/cgroup" [pid 1195] <... symlink resumed>) = 0 [pid 1194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1194] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1193] close(15 [pid 313] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1195] <... openat resumed>) = 3 [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] close(3 [pid 1195] write(3, "1000", 4 [pid 1194] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1193] close(16 [pid 313] <... close resumed>) = 0 [pid 1195] <... write resumed>) = 4 [pid 1194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] rmdir("./181" [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 313] mkdir("./182", 0777 [pid 1195] close(3 [pid 1194] <... mkdirat resumed>) = 0 [pid 1193] close(17 [pid 313] <... mkdir resumed>) = 0 [pid 1195] <... close resumed>) = 0 [pid 1194] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1195] symlink("/dev/binderfs", "./binderfs" [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1194] <... symlinkat resumed>) = 0 [pid 1193] close(18 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1195] <... symlink resumed>) = 0 [pid 1194] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1196 attached [pid 1195] write(1, "executing program\n", 18 [pid 1194] <... unlinkat resumed>) = 0 [pid 1193] close(19 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 184 executing program [pid 1196] set_robust_list(0x55555bb49760, 24 [pid 1195] <... write resumed>) = 18 [pid 1194] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1196] <... set_robust_list resumed>) = 0 [pid 1195] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1194] <... unlinkat resumed>) = 0 [pid 1193] close(20 [pid 1196] rt_sigprocmask(SIG_SETMASK, [] [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] <... mkdirat resumed>) = 0 [pid 1193] close(21 [pid 1196] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1195] mount(NULL, "./config", "configfs", 0, NULL [pid 1194] close(3 [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1196] chdir("./182" [pid 1195] <... mount resumed>) = 0 [pid 1193] close(22 [pid 1196] <... chdir resumed>) = 0 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1194] close(4 [pid 1193] close(23 [pid 1196] <... prctl resumed>) = 0 [pid 1195] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1196] setpgid(0, 0 [pid 1195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1194] close(5 [pid 1193] close(24 [pid 1196] <... setpgid resumed>) = 0 [pid 1195] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1196] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1194] close(6 [pid 1193] close(25 [pid 1196] <... symlink resumed>) = 0 [pid 1195] <... mkdirat resumed>) = 0 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1196] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1195] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1194] close(7 [pid 1193] close(26 [pid 1196] <... symlink resumed>) = 0 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] <... symlinkat resumed>) = 0 [pid 1193] close(27 [pid 1196] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1195] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1194] close(8 [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1196] <... symlink resumed>) = 0 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1193] close(28 [pid 1195] <... unlinkat resumed>) = 0 [pid 1194] close(9 [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1195] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1193] close(29 [pid 1196] <... openat resumed>) = 3 [pid 1194] close(10 [pid 1193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] <... unlinkat resumed>) = 0 [pid 1193] exit_group(0 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1196] write(3, "1000", 4 [pid 1195] close(3 [pid 1194] close(11 [pid 1193] <... exit_group resumed>) = ? [pid 1196] <... write resumed>) = 4 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1193] +++ exited with 0 +++ [pid 1194] close(12 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1196] close(3 [pid 1195] close(4 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... restart_syscall resumed>) = 0 [pid 1196] <... close resumed>) = 0 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] close(13 [pid 312] <... restart_syscall resumed>) = 0 [pid 1196] symlink("/dev/binderfs", "./binderfs" [pid 1195] close(5 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1196] <... symlink resumed>) = 0 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] close(14 [pid 309] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1196] write(1, "executing program\n", 18 [pid 312] umount2("./179", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1195] close(6 [pid 1196] <... write resumed>) = 18 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1196] mkdirat(AT_FDCWD, "./config", 0777 [pid 1195] close(7 [pid 1194] close(15 [pid 312] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 1196] <... mkdirat resumed>) = 0 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 1196] mount(NULL, "./config", "configfs", 0, NULL [pid 1195] close(8 [pid 1194] close(16 [pid 312] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1196] <... mount resumed>) = 0 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] getdents64(3 [pid 1196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1195] close(9 [pid 1194] close(17 [pid 312] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1196] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1195] close(10 [pid 1194] close(18 [pid 312] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 1196] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 309] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1195] close(11 [pid 1194] close(19 [pid 312] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./170/config" [pid 1196] <... mkdirat resumed>) = 0 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./179/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1196] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1195] close(12 [pid 1194] close(20 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./170/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1196] <... symlinkat resumed>) = 0 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./170/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1196] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1195] close(13 [pid 1194] close(21 [pid 312] openat(AT_FDCWD, "./179/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 4 [pid 1196] <... unlinkat resumed>) = 0 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 1196] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1195] close(14 [pid 1194] close(22 [pid 312] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1196] <... unlinkat resumed>) = 0 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] getdents64(4 [pid 1196] close(3 [pid 1195] close(15 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] close(23 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 1196] close(4 [pid 1195] close(16 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] close(24 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 1196] close(5 [pid 312] close(4 [pid 309] <... close resumed>) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] close(17 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 309] rmdir("./170/config" [pid 1196] close(6 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] close(25 [pid 312] rmdir("./179/config" [pid 309] <... rmdir resumed>) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] close(18 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 309] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1196] close(7 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] close(26 [pid 312] umount2("./179/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] close(19 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./170/binderfs" [pid 1196] close(8 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] close(27 [pid 312] newfstatat(AT_FDCWD, "./179/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] close(20 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./170/binderfs" [pid 1196] close(9 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] close(28 [pid 312] unlink("./179/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] close(21 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] umount2("./170/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1196] close(10 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] close(29 [pid 312] umount2("./179/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] close(22 [pid 1194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./170/cgroup.net" [pid 1196] close(11 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1194] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./179/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] close(23 [pid 1194] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./170/cgroup.net" [pid 1196] close(12 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./179/cgroup.net" [pid 309] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] umount2("./170/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1194] +++ exited with 0 +++ [pid 312] umount2("./179/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./170/cgroup.cpu" [pid 1196] close(13 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./179/cgroup.cpu" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./170/cgroup.cpu" [pid 1196] close(14 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./179/cgroup.cpu" [pid 309] <... unlink resumed>) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] close(26 [pid 312] <... unlink resumed>) = 0 [pid 309] umount2("./170/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1196] close(15 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./179/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./170/cgroup" [pid 1196] close(16 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./179/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./170/cgroup" [pid 1196] close(17 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./179/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] close(29 [pid 312] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 1196] close(18 [pid 1195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1195] exit_group(0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 1196] close(19 [pid 1195] <... exit_group resumed>) = ? [pid 312] close(3 [pid 309] <... close resumed>) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 309] rmdir("./170" [pid 312] rmdir("./179" [pid 309] <... rmdir resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 309] mkdir("./171", 0777 [pid 1196] close(20 [pid 1195] +++ exited with 0 +++ [pid 312] mkdir("./180", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1196] close(21 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1196] close(22 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1198 attached ci2-android-5-15/strace-static-x86_64: Process 1197 attached [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 173 [pid 1198] set_robust_list(0x55555bb49760, 24 [pid 1197] set_robust_list(0x55555bb49760, 24 [pid 1196] close(23 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 182 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1198] <... set_robust_list resumed>) = 0 [pid 1197] <... set_robust_list resumed>) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1198] rt_sigprocmask(SIG_SETMASK, [] [pid 1197] rt_sigprocmask(SIG_SETMASK, [] [pid 1196] close(24 [pid 1198] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1197] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1198] chdir("./180" [pid 1196] close(25 [pid 1197] chdir("./171" [pid 1198] <... chdir resumed>) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] <... chdir resumed>) = 0 [pid 1198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1196] close(26 [pid 1198] <... prctl resumed>) = 0 [pid 1197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1198] setpgid(0, 0 [pid 1197] <... prctl resumed>) = 0 [pid 1196] close(27 [pid 1198] <... setpgid resumed>) = 0 [pid 1197] setpgid(0, 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1198] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1196] close(28 [pid 1197] <... setpgid resumed>) = 0 [pid 1198] <... symlink resumed>) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1198] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1197] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1196] close(29 [pid 1198] <... symlink resumed>) = 0 [pid 1196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] <... symlink resumed>) = 0 [pid 1196] exit_group(0 [pid 1197] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1198] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1196] <... exit_group resumed>) = ? [pid 1197] <... symlink resumed>) = 0 [pid 1198] <... symlink resumed>) = 0 [pid 1196] +++ exited with 0 +++ [pid 1197] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1197] <... symlink resumed>) = 0 [pid 1198] <... openat resumed>) = 3 [pid 1197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1198] write(3, "1000", 4 [pid 1197] <... openat resumed>) = 3 [pid 1198] <... write resumed>) = 4 [pid 1197] write(3, "1000", 4 [pid 1198] close(3 [pid 1197] <... write resumed>) = 4 [pid 1198] <... close resumed>) = 0 [pid 1197] close(3 [pid 1198] symlink("/dev/binderfs", "./binderfs" [pid 1197] <... close resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 1198] <... symlink resumed>) = 0 [pid 1197] symlink("/dev/binderfs", "./binderfs" [pid 1198] write(1, "executing program\n", 18 executing program [pid 313] umount2("./182", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1198] <... write resumed>) = 18 [pid 1197] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1198] mkdirat(AT_FDCWD, "./config", 0777 [pid 1197] write(1, "executing program\n", 18 [pid 313] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1198] <... mkdirat resumed>) = 0 [pid 1197] <... write resumed>) = 18 executing program [pid 313] <... openat resumed>) = 3 [pid 1198] mount(NULL, "./config", "configfs", 0, NULL [pid 1197] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1198] <... mount resumed>) = 0 [pid 313] getdents64(3 [pid 1198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1197] <... mkdirat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1198] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1197] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 1198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1197] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 1198] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] newfstatat(AT_FDCWD, "./182/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1197] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 1198] <... mkdirat resumed>) = 0 [pid 1197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1198] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] fstat(3 [pid 1197] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] openat(AT_FDCWD, "./182/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1198] <... symlinkat resumed>) = 0 [pid 1197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... openat resumed>) = 4 [pid 310] getdents64(3 [pid 1198] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1197] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] fstat(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1198] <... unlinkat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1198] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1197] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = 0 [pid 1198] <... unlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 310] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] close(4 [pid 310] newfstatat(AT_FDCWD, "./172/config" [pid 313] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] rmdir("./182/config" [pid 310] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1198] close(3 [pid 1197] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 313] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] umount2("./182/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./172/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1198] close(4 [pid 1197] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] newfstatat(AT_FDCWD, "./182/binderfs" [pid 310] fstat(4 [pid 1198] close(5 [pid 1197] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(3 [pid 313] unlink("./182/binderfs" [pid 310] getdents64(4 [pid 1198] close(6 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(4 [pid 313] umount2("./182/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... restart_syscall resumed>) = 0 [pid 310] getdents64(4 [pid 1198] close(7 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(5 [pid 313] newfstatat(AT_FDCWD, "./182/cgroup.net" [pid 310] close(4 [pid 1198] close(8 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(6 [pid 313] unlink("./182/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./172/config" [pid 1198] close(9 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(7 [pid 313] umount2("./182/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 3 [pid 310] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1198] close(10 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(8 [pid 313] newfstatat(AT_FDCWD, "./182/cgroup.cpu" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./172/binderfs" [pid 1198] close(11 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(9 [pid 313] unlink("./182/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] unlink("./172/binderfs" [pid 1198] close(12 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(10 [pid 313] umount2("./182/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 310] umount2("./172/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1198] close(13 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(11 [pid 313] newfstatat(AT_FDCWD, "./182/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./172/cgroup.net" [pid 1198] close(14 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./174/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(12 [pid 313] unlink("./182/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./172/cgroup.net" [pid 1198] close(15 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(13 [pid 313] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./172/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1198] close(16 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] openat(AT_FDCWD, "./174/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(14 [pid 313] close(3 [pid 311] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./172/cgroup.cpu" [pid 1198] close(17 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(15 [pid 313] rmdir("./182" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] unlink("./172/cgroup.cpu" [pid 1198] close(18 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(16 [pid 313] mkdir("./183", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./172/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1198] close(19 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(17 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./172/cgroup" [pid 1198] close(20 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(18 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... close resumed>) = 0 [pid 310] unlink("./172/cgroup"ci2-android-5-15/strace-static-x86_64: Process 1199 attached [pid 1198] close(21 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./174/config" [pid 310] <... unlink resumed>) = 0 [pid 1199] set_robust_list(0x55555bb49760, 24 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(19 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 185 [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 1199] <... set_robust_list resumed>) = 0 [pid 1198] close(22 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1199] rt_sigprocmask(SIG_SETMASK, [] [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(20 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 1199] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1198] close(23 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./174/binderfs" [pid 310] <... close resumed>) = 0 [pid 1199] chdir("./183" [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(21 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./172" [pid 1199] <... chdir resumed>) = 0 [pid 1198] close(24 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./174/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 1199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(22 [pid 311] <... unlink resumed>) = 0 [pid 310] mkdir("./173", 0777 [pid 1199] <... prctl resumed>) = 0 [pid 1198] close(25 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./174/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 1199] setpgid(0, 0 [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(23 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1199] <... setpgid resumed>) = 0 [pid 1198] close(26 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./174/cgroup.net" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1199] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(24 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1199] <... symlink resumed>) = 0 [pid 1198] close(27 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./174/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1200 attached [pid 1199] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(25 [pid 311] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 175 [pid 1200] set_robust_list(0x55555bb49760, 24 [pid 1199] <... symlink resumed>) = 0 [pid 1198] close(28 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./174/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1200] <... set_robust_list resumed>) = 0 [pid 1199] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(26 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1200] rt_sigprocmask(SIG_SETMASK, [] [pid 311] newfstatat(AT_FDCWD, "./174/cgroup.cpu" [pid 1200] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1199] <... symlink resumed>) = 0 [pid 1198] close(29 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1200] chdir("./173" [pid 1199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1197] close(27 [pid 311] unlink("./174/cgroup.cpu" [pid 1200] <... chdir resumed>) = 0 [pid 1199] <... openat resumed>) = 3 [pid 311] <... unlink resumed>) = 0 [pid 1200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1198] exit_group(0 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] write(3, "1000", 4 [pid 311] umount2("./174/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1200] <... prctl resumed>) = 0 [pid 1199] <... write resumed>) = 4 [pid 1198] <... exit_group resumed>) = ? [pid 1197] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1200] setpgid(0, 0 [pid 311] newfstatat(AT_FDCWD, "./174/cgroup" [pid 1199] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./174/cgroup") = 0 [pid 311] getdents64(3 [pid 1198] +++ exited with 0 +++ [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1199] <... close resumed>) = 0 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... setpgid resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] close(3 [pid 1200] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1199] symlink("/dev/binderfs", "./binderfs" [pid 1197] close(29 [pid 311] <... close resumed>) = 0 [pid 311] rmdir("./174" [pid 1200] <... symlink resumed>) = 0 [pid 1199] <... symlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1199] write(1, "executing program\n", 18 [pid 311] mkdir("./175", 0777 [pid 1197] exit_group(0 [pid 311] <... mkdir resumed>) = 0 executing program [pid 1200] <... symlink resumed>) = 0 [pid 1199] <... write resumed>) = 18 [pid 1197] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1200] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1199] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1201 attached [pid 1199] <... mkdirat resumed>) = 0 [pid 1197] +++ exited with 0 +++ [pid 1200] <... symlink resumed>) = 0 [pid 1201] set_robust_list(0x55555bb49760, 24 [pid 1200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1199] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 177 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1201] <... set_robust_list resumed>) = 0 [pid 1200] <... openat resumed>) = 3 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1201] rt_sigprocmask(SIG_SETMASK, [] [pid 1200] write(3, "1000", 4 [pid 1199] <... mount resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1201] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1200] <... write resumed>) = 4 [pid 1199] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1201] chdir("./175" [pid 1200] close(3 [pid 1199] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1201] <... chdir resumed>) = 0 [pid 1200] <... close resumed>) = 0 [pid 1199] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1200] symlink("/dev/binderfs", "./binderfs" [pid 1201] <... prctl resumed>) = 0 [pid 1199] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1201] setpgid(0, 0) = 0 [pid 1201] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 1200] <... symlink resumed>) = 0 [pid 1199] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1201] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1200] write(1, "executing program\n", 18 [pid 1201] <... symlink resumed>) = 0 executing program [pid 1201] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1199] <... mkdirat resumed>) = 0 [pid 1201] <... symlink resumed>) = 0 [pid 1200] <... write resumed>) = 18 [pid 1199] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1200] mkdirat(AT_FDCWD, "./config", 0777 [pid 1199] <... symlinkat resumed>) = 0 [pid 1201] write(3, "1000", 4) = 4 [pid 1200] <... mkdirat resumed>) = 0 [pid 1199] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1201] close(3 [pid 1200] mount(NULL, "./config", "configfs", 0, NULL [pid 1201] <... close resumed>) = 0 [pid 1199] <... unlinkat resumed>) = 0 [pid 1201] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1200] <... mount resumed>) = 0 [pid 1199] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1201] write(1, "executing program\n", 18 [pid 1200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1201] <... write resumed>) = 18 executing program [pid 1201] mkdirat(AT_FDCWD, "./config", 0777 [pid 1200] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1199] <... unlinkat resumed>) = 0 [pid 1201] <... mkdirat resumed>) = 0 [pid 1201] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1199] close(3 [pid 1201] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1200] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1199] close(4 [pid 1201] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1201] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 1200] <... mkdirat resumed>) = 0 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1200] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1199] close(5 [pid 1201] <... symlinkat resumed>) = 0 [pid 1201] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1201] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1200] <... symlinkat resumed>) = 0 [pid 1201] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(3 [pid 1200] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1199] close(6 [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(4) = -1 EBADF (Bad file descriptor) [pid 1200] <... unlinkat resumed>) = 0 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(5 [pid 1200] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1199] close(7 [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(6) = -1 EBADF (Bad file descriptor) [pid 1201] close(7 [pid 1200] <... unlinkat resumed>) = 0 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] close(3 [pid 1201] close(8 [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(8 [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(9 [pid 1200] close(4 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(9 [pid 1201] close(10 [pid 1200] close(5 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(10 [pid 1201] close(11 [pid 1200] close(6 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(12 [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(11 [pid 1200] close(7 [pid 1201] close(13 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(12 [pid 1201] close(14 [pid 1200] close(8 [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(15) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(16 [pid 1200] close(9 [pid 1199] close(13 [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(17) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(18 [pid 1200] close(10 [pid 1199] close(14 [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(19 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] close(11 [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(15 [pid 1201] close(20 [pid 1200] close(12 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(21 [pid 1200] close(13 [pid 1199] close(16 [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(22 [pid 1200] close(14 [pid 1199] close(17 [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(23 [pid 1200] close(15 [pid 1199] close(18 [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] close(24) = -1 EBADF (Bad file descriptor) [pid 1200] close(16 [pid 1199] close(19 [pid 1201] close(25 [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] close(17 [pid 1201] close(26 [pid 1199] close(20 [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... restart_syscall resumed>) = 0 [pid 1201] close(27 [pid 1200] close(18 [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(21 [pid 1201] close(28 [pid 1200] close(19 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./180", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(22 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1201] close(29 [pid 1200] close(20 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(23 [pid 312] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 1201] exit_group(0 [pid 312] fstat(3 [pid 309] fstat(3 [pid 1201] <... exit_group resumed>) = ? [pid 1200] close(21 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1201] +++ exited with 0 +++ [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(24 [pid 312] getdents64(3 [pid 309] getdents64(3 [pid 1200] close(22 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(25 [pid 312] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1200] close(23 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(26 [pid 312] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1200] close(24 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(27 [pid 312] newfstatat(AT_FDCWD, "./180/config" [pid 311] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./171/config" [pid 1200] close(25 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(28 [pid 312] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(3 [pid 309] umount2("./171/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1200] close(26 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] close(29 [pid 312] openat(AT_FDCWD, "./180/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] getdents64(3 [pid 309] openat(AT_FDCWD, "./171/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1200] close(27 [pid 1199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... openat resumed>) = 4 [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1199] exit_group(0 [pid 312] fstat(4 [pid 311] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 1200] close(28 [pid 1199] <... exit_group resumed>) = ? [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1199] +++ exited with 0 +++ [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1200] close(29 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./175/config" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] close(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 1200] exit_group(0 [pid 312] <... close resumed>) = 0 [pid 311] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1200] <... exit_group resumed>) = ? [pid 312] rmdir("./180/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./171/config" [pid 312] <... rmdir resumed>) = 0 [pid 311] openat(AT_FDCWD, "./175/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 312] umount2("./180/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 4 [pid 309] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1200] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./180/binderfs" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./171/binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./180/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] unlink("./171/binderfs" [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 312] umount2("./180/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./171/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./180/cgroup.net" [pid 311] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./171/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./175/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./180/cgroup.net" [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./171/cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 312] umount2("./180/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./171/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./175/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./180/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./171/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./175/binderfs" [pid 310] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./180/cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./171/cgroup.cpu" [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./175/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 312] umount2("./180/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 309] umount2("./171/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./175/cgroup.net" [pid 310] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./180/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./171/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./175/cgroup.net" [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./180/cgroup" [pid 311] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] unlink("./171/cgroup" [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./175/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 312] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 309] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./175/cgroup.cpu" [pid 310] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 312] <... close resumed>) = 0 [pid 311] unlink("./175/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./173/config" [pid 309] <... close resumed>) = 0 [pid 312] rmdir("./180" [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./171" [pid 312] <... rmdir resumed>) = 0 [pid 311] umount2("./175/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 312] mkdir("./181", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./172", 0777 [pid 312] <... mkdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./175/cgroup" [pid 310] openat(AT_FDCWD, "./173/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... mkdir resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] unlink("./175/cgroup" [pid 310] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1202 attached ci2-android-5-15/strace-static-x86_64: Process 1203 attached [pid 311] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1203] set_robust_list(0x55555bb49760, 24 [pid 1202] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 183 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 174 [pid 1203] <... set_robust_list resumed>) = 0 [pid 1202] <... set_robust_list resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1203] rt_sigprocmask(SIG_SETMASK, [] [pid 1202] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1203] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1202] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rmdir("./175" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1203] chdir("./172" [pid 1202] chdir("./181" [pid 313] umount2("./183", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 310] close(4 [pid 1203] <... chdir resumed>) = 0 [pid 1202] <... chdir resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdir("./176", 0777 [pid 1203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... mkdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1203] <... prctl resumed>) = 0 [pid 1202] <... prctl resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./173/config" [pid 1203] setpgid(0, 0 [pid 1202] setpgid(0, 0 [pid 313] fstat(3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1203] <... setpgid resumed>) = 0 [pid 1202] <... setpgid resumed>) = 0 [pid 313] getdents64(3 [pid 310] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1204 attached [pid 1203] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1202] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 178 [pid 310] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1204] set_robust_list(0x55555bb49760, 24 [pid 1203] <... symlink resumed>) = 0 [pid 1202] <... symlink resumed>) = 0 [pid 313] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1204] <... set_robust_list resumed>) = 0 [pid 1203] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1202] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... umount2 resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1204] rt_sigprocmask(SIG_SETMASK, [] [pid 1203] <... symlink resumed>) = 0 [pid 1202] <... symlink resumed>) = 0 [pid 313] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./173/binderfs" [pid 1204] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1203] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1202] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1204] chdir("./176" [pid 313] newfstatat(AT_FDCWD, "./183/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1204] <... chdir resumed>) = 0 [pid 1203] <... symlink resumed>) = 0 [pid 1202] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./173/binderfs" [pid 1204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1202] <... openat resumed>) = 3 [pid 313] openat(AT_FDCWD, "./183/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1204] <... prctl resumed>) = 0 [pid 1203] <... openat resumed>) = 3 [pid 313] <... openat resumed>) = 4 [pid 310] umount2("./173/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1204] setpgid(0, 0 [pid 1203] write(3, "1000", 4 [pid 1202] write(3, "1000", 4 [pid 313] fstat(4 [pid 1204] <... setpgid resumed>) = 0 [pid 1203] <... write resumed>) = 4 [pid 1202] <... write resumed>) = 4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1204] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1203] close(3 [pid 1202] close(3 [pid 313] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./173/cgroup.net" [pid 1203] <... close resumed>) = 0 [pid 313] getdents64(4 [pid 1202] <... close resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1204] <... symlink resumed>) = 0 [pid 1203] symlink("/dev/binderfs", "./binderfs" [pid 1202] symlink("/dev/binderfs", "./binderfs" [pid 313] close(4 [pid 310] unlink("./173/cgroup.net" [pid 1204] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1203] <... symlink resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 1202] <... symlink resumed>) = 0 [pid 313] rmdir("./183/config" [pid 310] <... unlink resumed>) = 0 [pid 1204] <... symlink resumed>) = 0 [pid 1203] write(1, "executing program\n", 18 [pid 1202] write(1, "executing program\n", 18 [pid 313] <... rmdir resumed>) = 0 executing program executing program [pid 310] umount2("./173/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1204] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1203] <... write resumed>) = 18 [pid 1202] <... write resumed>) = 18 [pid 313] umount2("./183/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1204] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1203] mkdirat(AT_FDCWD, "./config", 0777 [pid 1202] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] newfstatat(AT_FDCWD, "./183/binderfs" [pid 1204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1203] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./173/cgroup.cpu" [pid 1204] <... openat resumed>) = 3 [pid 1202] <... mkdirat resumed>) = 0 [pid 313] unlink("./183/binderfs" [pid 1204] write(3, "1000", 4 [pid 1203] mount(NULL, "./config", "configfs", 0, NULL [pid 1202] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1204] <... write resumed>) = 4 [pid 313] umount2("./183/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1203] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1202] <... mount resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./183/cgroup.net" [pid 310] unlink("./173/cgroup.cpu" [pid 1204] close(3 [pid 1203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1204] <... close resumed>) = 0 [pid 1203] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1202] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] unlink("./183/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 1204] symlink("/dev/binderfs", "./binderfs" [pid 1203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./173/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./183/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1204] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1203] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1202] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./183/cgroup.cpu" [pid 1204] write(1, "executing program\n", 18 [pid 1203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1204] <... write resumed>) = 18 [pid 313] unlink("./183/cgroup.cpu") = 0 [pid 313] umount2("./183/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1203] <... mkdirat resumed>) = 0 [pid 1202] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./173/cgroup" [pid 1204] mkdirat(AT_FDCWD, "./config", 0777 [pid 1203] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1202] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] newfstatat(AT_FDCWD, "./183/cgroup" [pid 1204] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1204] mount(NULL, "./config", "configfs", 0, NULL [pid 1203] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1202] <... symlinkat resumed>) = 0 [pid 313] unlink("./183/cgroup" [pid 310] unlink("./173/cgroup" [pid 1204] <... mount resumed>) = 0 [pid 1203] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1202] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... unlink resumed>) = 0 [pid 1204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 1203] <... unlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1204] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1203] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1202] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 313] close(3 [pid 310] getdents64(3 [pid 1204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... close resumed>) = 0 [pid 1203] <... unlinkat resumed>) = 0 [pid 1204] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1202] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] rmdir("./183" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1203] close(3 [pid 1202] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 313] <... rmdir resumed>) = 0 [pid 310] close(3 [pid 313] mkdir("./184", 0777 [pid 1204] <... mkdirat resumed>) = 0 [pid 1202] close(3 [pid 313] <... mkdir resumed>) = 0 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1204] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1203] close(4 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./173" [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1204] <... symlinkat resumed>) = 0 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(4 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1205 attached [pid 1204] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1203] close(5 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1205] set_robust_list(0x55555bb49760, 24 [pid 1204] <... unlinkat resumed>) = 0 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(5 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 186 [pid 310] mkdir("./174", 0777 [pid 1205] <... set_robust_list resumed>) = 0 [pid 1204] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1203] close(6 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1205] rt_sigprocmask(SIG_SETMASK, [] [pid 1204] <... unlinkat resumed>) = 0 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(6 [pid 1205] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1204] close(3 [pid 1203] close(7 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1205] chdir("./184" [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(7 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1205] <... chdir resumed>) = 0 [pid 1204] close(4 [pid 1203] close(8 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(8ci2-android-5-15/strace-static-x86_64: Process 1206 attached [pid 1205] <... prctl resumed>) = 0 [pid 1204] close(5 [pid 1203] close(9 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] set_robust_list(0x55555bb49760, 24 [pid 1205] setpgid(0, 0 [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(9 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 176 [pid 1206] <... set_robust_list resumed>) = 0 [pid 1205] <... setpgid resumed>) = 0 [pid 1206] rt_sigprocmask(SIG_SETMASK, [] [pid 1204] close(6 [pid 1203] close(10 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1206] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1205] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(10 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1206] chdir("./174" [pid 1205] <... symlink resumed>) = 0 [pid 1204] close(7 [pid 1203] close(11 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] <... chdir resumed>) = 0 [pid 1205] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(11 [pid 1206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1205] <... symlink resumed>) = 0 [pid 1204] close(8 [pid 1203] close(12 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] setpgid(0, 0) = 0 [pid 1205] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(12 [pid 1206] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 1205] <... symlink resumed>) = 0 [pid 1204] close(9 [pid 1203] close(13 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(13 [pid 1206] <... symlink resumed>) = 0 [pid 1206] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 1205] <... openat resumed>) = 3 [pid 1204] close(10 [pid 1203] close(14 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1205] write(3, "1000", 4 [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(14 [pid 1206] <... openat resumed>) = 3 [pid 1205] <... write resumed>) = 4 [pid 1204] close(11 [pid 1203] close(15 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] write(3, "1000", 4 [pid 1205] close(3 [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(15 [pid 1206] <... write resumed>) = 4 [pid 1206] close(3 [pid 1205] <... close resumed>) = 0 [pid 1204] close(12 [pid 1206] <... close resumed>) = 0 [pid 1205] symlink("/dev/binderfs", "./binderfs" [pid 1203] close(16 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] symlink("/dev/binderfs", "./binderfs" [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] <... symlink resumed>) = 0 [pid 1205] <... symlink resumed>) = 0 [pid 1204] close(13 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(16 [pid 1206] write(1, "executing program\n", 18 [pid 1205] write(1, "executing program\n", 18 [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] close(17 [pid 1206] <... write resumed>) = 18 [pid 1205] <... write resumed>) = 18 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program executing program [pid 1206] mkdirat(AT_FDCWD, "./config", 0777 [pid 1204] close(14 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] <... mkdirat resumed>) = 0 [pid 1205] mkdirat(AT_FDCWD, "./config", 0777 [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] close(18 [pid 1202] close(17 [pid 1206] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1205] <... mkdirat resumed>) = 0 [pid 1206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1204] close(15 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1205] mount(NULL, "./config", "configfs", 0, NULL [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] close(19 [pid 1206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1202] close(18 [pid 1206] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1205] <... mount resumed>) = 0 [pid 1204] close(16 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] close(20 [pid 1202] close(19 [pid 1206] <... mkdirat resumed>) = 0 [pid 1205] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1204] close(17 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] close(21 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] <... symlinkat resumed>) = 0 [pid 1205] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1206] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1204] close(18 [pid 1205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(20 [pid 1206] <... unlinkat resumed>) = 0 [pid 1205] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1205] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1204] close(19 [pid 1203] close(22 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] close(3) = -1 EBADF (Bad file descriptor) [pid 1206] close(4) = -1 EBADF (Bad file descriptor) [pid 1206] close(5 [pid 1205] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1205] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1204] close(20 [pid 1202] close(21 [pid 1206] close(6 [pid 1205] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] close(23 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1205] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1204] close(21 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(22 [pid 1206] close(7 [pid 1205] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] close(24 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1205] close(3 [pid 1204] close(22 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(23 [pid 1206] close(8 [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] close(25 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1205] close(4 [pid 1204] close(23 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(24 [pid 1206] close(9 [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] close(26 [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1205] close(5 [pid 1204] close(24 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] close(10) = -1 EBADF (Bad file descriptor) [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] close(27 [pid 1202] close(25 [pid 1206] close(11 [pid 1205] close(6 [pid 1204] close(25 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] close(28 [pid 1202] close(26 [pid 1206] close(12 [pid 1205] close(7 [pid 1204] close(26 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] close(29 [pid 1202] close(27 [pid 1206] close(13 [pid 1205] close(8 [pid 1204] close(27 [pid 1203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] close(14 [pid 1205] close(9 [pid 1204] close(28 [pid 1203] exit_group(0 [pid 1202] close(28 [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1203] <... exit_group resumed>) = ? [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] close(15 [pid 1205] close(10 [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] close(16 [pid 1204] close(29 [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] close(17) = -1 EBADF (Bad file descriptor) [pid 1206] close(18) = -1 EBADF (Bad file descriptor) [pid 1206] close(19) = -1 EBADF (Bad file descriptor) [pid 1206] close(20) = -1 EBADF (Bad file descriptor) [pid 1206] close(21) = -1 EBADF (Bad file descriptor) [pid 1206] close(22 [pid 1203] +++ exited with 0 +++ [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] close(29 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1206] close(23 [pid 1205] close(11 [pid 1204] exit_group(0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1204] <... exit_group resumed>) = ? [pid 1202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] close(24 [pid 1205] close(12 [pid 1206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1206] close(25) = -1 EBADF (Bad file descriptor) [pid 1206] close(26) = -1 EBADF (Bad file descriptor) [pid 1206] close(27) = -1 EBADF (Bad file descriptor) [pid 1206] close(28) = -1 EBADF (Bad file descriptor) [pid 1206] close(29) = -1 EBADF (Bad file descriptor) [pid 1204] +++ exited with 0 +++ [pid 1206] exit_group(0 [pid 1202] exit_group(0 [pid 1206] <... exit_group resumed>) = ? [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1202] <... exit_group resumed>) = ? [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1206] +++ exited with 0 +++ [pid 1205] close(13 [pid 1202] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1205] close(14) = -1 EBADF (Bad file descriptor) [pid 1205] close(15 [pid 310] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1205] close(16 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1205] close(17 [pid 310] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1205] close(18 [pid 310] <... openat resumed>) = 3 [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 1205] close(19 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 1205] close(20 [pid 310] getdents64(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1205] close(21 [pid 311] getdents64(3 [pid 310] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1205] close(22 [pid 310] <... umount2 resumed>) = 0 [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1205] close(23 [pid 311] <... umount2 resumed>) = 0 [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1205] close(24 [pid 310] newfstatat(AT_FDCWD, "./174/config" [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1205] close(25 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./176/config" [pid 1205] close(26 [pid 310] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1205] close(27 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./174/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1205] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./176/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 4 [pid 1205] close(29 [pid 311] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 1205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1205] exit_group(0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1205] <... exit_group resumed>) = ? [pid 310] getdents64(4 [pid 311] getdents64(4 [pid 1205] +++ exited with 0 +++ [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 311] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... close resumed>) = 0 [pid 311] rmdir("./176/config" [pid 310] close(4 [pid 311] <... rmdir resumed>) = 0 [pid 311] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./174/config" [pid 311] newfstatat(AT_FDCWD, "./176/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./176/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./174/binderfs" [pid 311] umount2("./176/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./174/binderfs" [pid 311] newfstatat(AT_FDCWD, "./176/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./174/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./176/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./174/cgroup.net" [pid 311] umount2("./176/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./174/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./176/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./174/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./176/cgroup.cpu" [pid 312] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./174/cgroup.cpu" [pid 311] umount2("./176/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./181", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./174/cgroup.cpu" [pid 312] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./176/cgroup" [pid 312] <... openat resumed>) = 3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... restart_syscall resumed>) = 0 [pid 312] fstat(3 [pid 311] unlink("./176/cgroup" [pid 310] umount2("./174/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] getdents64(3 [pid 311] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./174/cgroup" [pid 309] <... openat resumed>) = 3 [pid 313] umount2("./184", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./174/cgroup" [pid 309] getdents64(3 [pid 313] <... openat resumed>) = 3 [pid 312] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./176" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] fstat(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./181/config" [pid 311] mkdir("./177", 0777 [pid 310] getdents64(3 [pid 313] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = 0 [pid 312] openat(AT_FDCWD, "./181/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./172/config" [pid 313] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... openat resumed>) = 4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] fstat(4 [pid 309] umount2("./172/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] newfstatat(AT_FDCWD, "./184/config" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1207 attached [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(4 [pid 310] rmdir("./174" [pid 309] openat(AT_FDCWD, "./172/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1207] set_robust_list(0x55555bb49760, 24 [pid 313] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 179 [pid 309] <... openat resumed>) = 4 [pid 1207] <... set_robust_list resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(4 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 1207] rt_sigprocmask(SIG_SETMASK, [] [pid 313] openat(AT_FDCWD, "./184/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] mkdir("./175", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1207] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... openat resumed>) = 4 [pid 312] close(4 [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 1207] chdir("./177" [pid 313] fstat(4 [pid 312] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1207] <... chdir resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] rmdir("./181/config" [pid 309] getdents64(4 [pid 1207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] getdents64(4 [pid 312] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1207] <... prctl resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] umount2("./181/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(4 [pid 1207] setpgid(0, 0 [pid 313] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1207] <... setpgid resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] newfstatat(AT_FDCWD, "./181/binderfs" [pid 309] rmdir("./172/config"ci2-android-5-15/strace-static-x86_64: Process 1208 attached [pid 1207] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] close(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1208] set_robust_list(0x55555bb49760, 24 [pid 1207] <... symlink resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 312] unlink("./181/binderfs" [pid 309] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1208] <... set_robust_list resumed>) = 0 [pid 1207] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] rmdir("./184/config" [pid 312] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 177 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1208] rt_sigprocmask(SIG_SETMASK, [] [pid 1207] <... symlink resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] umount2("./181/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./172/binderfs" [pid 1208] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1207] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] umount2("./184/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1208] chdir("./175" [pid 1207] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./181/cgroup.net" [pid 309] unlink("./172/binderfs" [pid 1208] <... chdir resumed>) = 0 [pid 1207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] newfstatat(AT_FDCWD, "./184/binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1207] <... openat resumed>) = 3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./181/cgroup.net" [pid 309] umount2("./172/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1208] <... prctl resumed>) = 0 [pid 1207] write(3, "1000", 4 [pid 313] unlink("./184/binderfs" [pid 312] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1208] setpgid(0, 0 [pid 1207] <... write resumed>) = 4 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./181/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./172/cgroup.net" [pid 1208] <... setpgid resumed>) = 0 [pid 1207] close(3 [pid 313] umount2("./184/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1208] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1207] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./181/cgroup.cpu" [pid 309] unlink("./172/cgroup.net" [pid 1208] <... symlink resumed>) = 0 [pid 1207] symlink("/dev/binderfs", "./binderfs" [pid 313] newfstatat(AT_FDCWD, "./184/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1208] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1207] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./181/cgroup.cpu" [pid 309] umount2("./172/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1208] <... symlink resumed>) = 0 [pid 1207] write(1, "executing program\n", 18 executing program [pid 313] unlink("./184/cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1208] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1207] <... write resumed>) = 18 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./181/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./172/cgroup.cpu" [pid 1208] <... symlink resumed>) = 0 [pid 1207] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] umount2("./184/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1207] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./181/cgroup" [pid 309] unlink("./172/cgroup.cpu" [pid 1208] <... openat resumed>) = 3 [pid 1207] mount(NULL, "./config", "configfs", 0, NULL [pid 313] newfstatat(AT_FDCWD, "./184/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1208] write(3, "1000", 4 [pid 1207] <... mount resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./181/cgroup" [pid 309] umount2("./172/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1208] <... write resumed>) = 4 [pid 1207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] unlink("./184/cgroup.cpu" [pid 312] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1208] close(3 [pid 1207] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./172/cgroup" [pid 1208] <... close resumed>) = 0 [pid 1207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./184/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1208] symlink("/dev/binderfs", "./binderfs" [pid 1207] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(3 [pid 309] unlink("./172/cgroup" [pid 1208] <... symlink resumed>) = 0 [pid 1207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] newfstatat(AT_FDCWD, "./184/cgroup" [pid 312] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1208] write(1, "executing program\n", 18 [pid 1207] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rmdir("./181" [pid 309] getdents64(3 [pid 1207] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" executing program [pid 313] unlink("./184/cgroup" [pid 312] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1208] <... write resumed>) = 18 [pid 1207] <... symlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] mkdir("./182", 0777 [pid 309] close(3 [pid 1208] mkdirat(AT_FDCWD, "./config", 0777 [pid 1207] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] getdents64(3 [pid 312] <... mkdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1208] <... mkdirat resumed>) = 0 [pid 1207] <... unlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./172" [pid 1208] mount(NULL, "./config", "configfs", 0, NULL [pid 1207] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] close(3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1208] <... mount resumed>) = 0 [pid 1207] <... unlinkat resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] mkdir("./173", 0777ci2-android-5-15/strace-static-x86_64: Process 1209 attached [pid 1208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1207] close(3 [pid 313] rmdir("./184" [pid 309] <... mkdir resumed>) = 0 [pid 1209] set_robust_list(0x55555bb49760, 24 [pid 1208] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 184 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1209] <... set_robust_list resumed>) = 0 [pid 1208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1207] close(4 [pid 313] mkdir("./185", 0777 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1209] rt_sigprocmask(SIG_SETMASK, [] [pid 1208] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1209] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1207] close(5 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 1210 attached [pid 1209] chdir("./182" [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 175 [pid 1210] set_robust_list(0x55555bb49760, 24 [pid 1209] <... chdir resumed>) = 0 [pid 1208] <... mkdirat resumed>) = 0 [pid 1207] close(6 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1211 attached [pid 1210] <... set_robust_list resumed>) = 0 [pid 1209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1208] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1211] set_robust_list(0x55555bb49760, 24 [pid 1210] rt_sigprocmask(SIG_SETMASK, [] [pid 1209] <... prctl resumed>) = 0 [pid 1207] close(7 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 187 [pid 1211] <... set_robust_list resumed>) = 0 [pid 1210] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1209] setpgid(0, 0 [pid 1208] <... symlinkat resumed>) = 0 [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1211] rt_sigprocmask(SIG_SETMASK, [] [pid 1207] close(8 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1211] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1210] chdir("./173" [pid 1209] <... setpgid resumed>) = 0 [pid 1208] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] chdir("./185" [pid 1209] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1208] <... unlinkat resumed>) = 0 [pid 1207] close(9 [pid 1211] <... chdir resumed>) = 0 [pid 1210] <... chdir resumed>) = 0 [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1209] <... symlink resumed>) = 0 [pid 1208] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1207] close(10 [pid 1210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1211] <... prctl resumed>) = 0 [pid 1209] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... prctl resumed>) = 0 [pid 1208] <... unlinkat resumed>) = 0 [pid 1207] close(11 [pid 1211] setpgid(0, 0 [pid 1210] setpgid(0, 0 [pid 1209] <... symlink resumed>) = 0 [pid 1208] close(3 [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] <... setpgid resumed>) = 0 [pid 1210] <... setpgid resumed>) = 0 [pid 1209] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1207] close(12) = -1 EBADF (Bad file descriptor) [pid 1207] close(13 [pid 1211] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1207] close(14 [pid 1209] <... symlink resumed>) = 0 [pid 1211] <... symlink resumed>) = 0 [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... symlink resumed>) = 0 [pid 1208] close(4 [pid 1207] close(15 [pid 1211] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1210] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] <... symlink resumed>) = 0 [pid 1207] close(16) = -1 EBADF (Bad file descriptor) [pid 1210] <... symlink resumed>) = 0 [pid 1207] close(17) = -1 EBADF (Bad file descriptor) [pid 1211] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1210] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1209] <... openat resumed>) = 3 [pid 1208] close(5 [pid 1207] close(18 [pid 1211] <... symlink resumed>) = 0 [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... symlink resumed>) = 0 [pid 1209] write(3, "1000", 4 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1207] close(19 [pid 1211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1209] <... write resumed>) = 4 [pid 1208] close(6 [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1207] close(20) = -1 EBADF (Bad file descriptor) [pid 1207] close(21 [pid 1211] <... openat resumed>) = 3 [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... openat resumed>) = 3 [pid 1207] close(22 [pid 1211] write(3, "1000", 4 [pid 1210] write(3, "1000", 4 [pid 1209] close(3 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] <... write resumed>) = 4 [pid 1210] <... write resumed>) = 4 [pid 1209] <... close resumed>) = 0 [pid 1208] close(7 [pid 1207] close(23) = -1 EBADF (Bad file descriptor) [pid 1207] close(24 [pid 1211] close(3 [pid 1210] close(3 [pid 1209] symlink("/dev/binderfs", "./binderfs" [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] <... close resumed>) = 0 [pid 1210] <... close resumed>) = 0 [pid 1207] close(25 [pid 1211] symlink("/dev/binderfs", "./binderfs" [pid 1210] symlink("/dev/binderfs", "./binderfs" [pid 1209] <... symlink resumed>) = 0 [pid 1208] close(8 [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] <... symlink resumed>) = 0 [pid 1207] close(26 [pid 1210] <... symlink resumed>) = 0 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] write(1, "executing program\n", 18 [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1211] write(1, "executing program\n", 18 [pid 1210] write(1, "executing program\n", 18 [pid 1209] <... write resumed>) = 18 [pid 1208] close(9 [pid 1207] close(27 [pid 1211] <... write resumed>) = 18 [pid 1210] <... write resumed>) = 18 [pid 1209] mkdirat(AT_FDCWD, "./config", 0777 [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1207] close(28 [pid 1211] mkdirat(AT_FDCWD, "./config", 0777 [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] mkdirat(AT_FDCWD, "./config", 0777 [pid 1208] close(10 [pid 1207] close(29 [pid 1211] <... mkdirat resumed>) = 0 [pid 1209] <... mkdirat resumed>) = 0 [pid 1207] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program executing program [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] mount(NULL, "./config", "configfs", 0, NULL [pid 1210] <... mkdirat resumed>) = 0 [pid 1209] mount(NULL, "./config", "configfs", 0, NULL [pid 1208] close(11 [pid 1207] exit_group(0 [pid 1211] <... mount resumed>) = 0 [pid 1210] mount(NULL, "./config", "configfs", 0, NULL [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1207] <... exit_group resumed>) = ? [pid 1211] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1210] <... mount resumed>) = 0 [pid 1209] <... mount resumed>) = 0 [pid 1208] close(12 [pid 1207] +++ exited with 0 +++ [pid 1211] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1210] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1210] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1209] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1208] close(13 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1211] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1210] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1211] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1210] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1208] close(14 [pid 1209] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1211] <... mkdirat resumed>) = 0 [pid 1210] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1210] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1208] close(15 [pid 1211] <... symlinkat resumed>) = 0 [pid 1210] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1211] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1209] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1211] <... unlinkat resumed>) = 0 [pid 1209] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1208] close(16 [pid 1211] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1210] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1209] <... symlinkat resumed>) = 0 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... unlinkat resumed>) = 0 [pid 1208] close(17 [pid 1209] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1211] <... unlinkat resumed>) = 0 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] close(3 [pid 1210] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1209] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1208] close(18 [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1211] close(4 [pid 1209] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1210] close(3 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1208] close(19 [pid 1211] close(5 [pid 1210] close(4 [pid 1209] close(3 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1208] close(20 [pid 1211] close(6 [pid 1210] close(5 [pid 1209] close(4 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] close(6 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1208] close(21 [pid 311] umount2("./177", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1211] close(7 [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(5 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] close(7 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1208] close(22 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1211] close(8 [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(6 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] close(8 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1208] close(23 [pid 311] <... openat resumed>) = 3 [pid 1211] close(9 [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(7 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 1211] close(10 [pid 1210] close(9 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1208] close(24 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(8 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] close(11 [pid 1210] close(10 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1208] close(25 [pid 311] getdents64(3 [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(9 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1211] close(12 [pid 1210] close(11 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1208] close(26 [pid 311] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(10 [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] close(13 [pid 311] <... umount2 resumed>) = 0 [pid 1210] close(12 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(11 [pid 1208] close(27 [pid 311] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1211] close(14 [pid 1210] close(13 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(12 [pid 1208] close(28 [pid 1211] close(15 [pid 1210] close(14 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./177/config" [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(13 [pid 1208] close(29 [pid 1211] close(16 [pid 1210] close(15 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(14 [pid 1208] exit_group(0 [pid 1211] close(17 [pid 1210] close(16 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1208] <... exit_group resumed>) = ? [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(15 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1211] close(18 [pid 1210] close(17 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1208] +++ exited with 0 +++ [pid 311] openat(AT_FDCWD, "./177/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] close(19 [pid 1210] close(18 [pid 1209] close(16 [pid 311] <... openat resumed>) = 4 [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1211] close(20 [pid 1210] close(19 [pid 1209] close(17 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1211] close(21) = -1 EBADF (Bad file descriptor) [pid 1210] close(20 [pid 1209] close(18 [pid 311] getdents64(4 [pid 1211] close(22 [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] close(23) = -1 EBADF (Bad file descriptor) [pid 1210] close(21 [pid 1209] close(19 [pid 1211] close(24 [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] close(22 [pid 1211] close(25) = -1 EBADF (Bad file descriptor) [pid 1211] close(26 [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(20 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] close(23 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 1211] close(27 [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(21 [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] close(24 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1211] close(28 [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] close(22 [pid 311] rmdir("./177/config" [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] close(25 [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] close(29 [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1210] close(26 [pid 1209] close(23 [pid 311] umount2("./177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1211] exit_group(0 [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1211] <... exit_group resumed>) = ? [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1211] +++ exited with 0 +++ [pid 1210] close(27 [pid 1209] close(24 [pid 311] newfstatat(AT_FDCWD, "./177/binderfs" [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1210] close(28 [pid 1209] close(25 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./177/binderfs" [pid 1210] close(29 [pid 1209] close(26 [pid 311] <... unlink resumed>) = 0 [pid 1210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./177/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1210] exit_group(0 [pid 1209] close(27 [pid 1210] <... exit_group resumed>) = ? [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1210] +++ exited with 0 +++ [pid 1209] close(28 [pid 311] newfstatat(AT_FDCWD, "./177/cgroup.net" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1209] close(29 [pid 311] unlink("./177/cgroup.net" [pid 1209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1209] exit_group(0 [pid 311] umount2("./177/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1209] <... exit_group resumed>) = ? [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1209] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] newfstatat(AT_FDCWD, "./177/cgroup.cpu" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./177/cgroup.cpu") = 0 [pid 311] umount2("./177/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./177/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./177/cgroup") = 0 [pid 311] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] close(3 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 311] rmdir("./177" [pid 312] umount2("./182", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 312] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 311] mkdir("./178", 0777 [pid 312] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3 [pid 311] <... mkdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... umount2 resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./182/config" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./182/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 312] fstat(4ci2-android-5-15/strace-static-x86_64: Process 1212 attached , {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1212] set_robust_list(0x55555bb49760, 24 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] getdents64(4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 180 [pid 309] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1212] <... set_robust_list resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1212] rt_sigprocmask(SIG_SETMASK, [] [pid 312] getdents64(4 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... restart_syscall resumed>) = 0 [pid 309] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1212] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] umount2("./185", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 1212] chdir("./178" [pid 312] close(4 [pid 309] fstat(3 [pid 1212] <... chdir resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] rmdir("./182/config" [pid 310] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1212] <... prctl resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 312] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1212] setpgid(0, 0 [pid 313] fstat(3 [pid 312] umount2("./182/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1212] <... setpgid resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = 0 [pid 1212] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./182/binderfs" [pid 309] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1212] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1212] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./182/binderfs" [pid 310] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./173/config" [pid 1212] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1212] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./182/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] umount2("./173/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1212] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] newfstatat(AT_FDCWD, "./185/config" [pid 312] newfstatat(AT_FDCWD, "./182/cgroup.net" [pid 310] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./173/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1212] <... openat resumed>) = 3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 1212] write(3, "1000", 4 [pid 313] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./182/cgroup.net" [pid 310] <... umount2 resumed>) = 0 [pid 309] fstat(4 [pid 1212] <... write resumed>) = 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1212] close(3 [pid 313] openat(AT_FDCWD, "./185/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./182/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1212] <... close resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./175/config" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1212] symlink("/dev/binderfs", "./binderfs" [pid 313] fstat(4 [pid 312] newfstatat(AT_FDCWD, "./182/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1212] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1212] write(1, "executing program\n", 18 [pid 313] getdents64(4 executing program [pid 312] unlink("./182/cgroup.cpu" [pid 309] close(4 [pid 1212] <... write resumed>) = 18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1212] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] getdents64(4 [pid 312] umount2("./182/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./175/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./173/config" [pid 1212] <... mkdirat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 1212] mount(NULL, "./config", "configfs", 0, NULL [pid 313] close(4 [pid 312] newfstatat(AT_FDCWD, "./182/cgroup" [pid 310] fstat(4 [pid 309] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1212] <... mount resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] rmdir("./185/config" [pid 312] unlink("./182/cgroup" [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./173/binderfs" [pid 1212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rmdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./185/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 309] unlink("./173/binderfs" [pid 1212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 1212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] newfstatat(AT_FDCWD, "./185/binderfs" [pid 312] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./173/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1212] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1212] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] unlink("./185/binderfs" [pid 312] rmdir("./182" [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./173/cgroup.net" [pid 1212] <... symlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 310] rmdir("./175/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1212] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] umount2("./185/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] mkdir("./183", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./173/cgroup.net" [pid 1212] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... mkdir resumed>) = 0 [pid 310] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1212] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] newfstatat(AT_FDCWD, "./185/cgroup.net" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./173/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1212] <... unlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./175/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1212] close(3 [pid 313] unlink("./185/cgroup.net" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./173/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1213 attached [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1213] set_robust_list(0x55555bb49760, 24 [pid 1212] close(4 [pid 313] umount2("./185/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 185 [pid 310] unlink("./175/binderfs" [pid 309] unlink("./173/cgroup.cpu" [pid 1213] <... set_robust_list resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1213] rt_sigprocmask(SIG_SETMASK, [] [pid 1212] close(5 [pid 313] newfstatat(AT_FDCWD, "./185/cgroup.cpu" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./173/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1213] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./175/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1213] chdir("./183" [pid 1212] close(6 [pid 313] unlink("./185/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./173/cgroup" [pid 1213] <... chdir resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1212] close(7 [pid 313] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./175/cgroup.net" [pid 309] unlink("./173/cgroup" [pid 1213] <... prctl resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./185/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1213] setpgid(0, 0 [pid 1212] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./175/cgroup.net" [pid 309] getdents64(3 [pid 1213] <... setpgid resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./185/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1213] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1212] close(9 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] close(3 [pid 1213] <... symlink resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1213] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1212] close(10 [pid 313] unlink("./185/cgroup" [pid 310] umount2("./175/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./173" [pid 1213] <... symlink resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1213] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1212] close(11 [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./174", 0777 [pid 1213] <... symlink resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./175/cgroup.cpu" [pid 309] <... mkdir resumed>) = 0 [pid 1213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1212] close(12 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1213] <... openat resumed>) = 3 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1213] write(3, "1000", 4 [pid 1212] close(13 [pid 313] close(3 [pid 310] unlink("./175/cgroup.cpu" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1213] <... write resumed>) = 4 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1214 attached [pid 1213] close(3 [pid 1212] close(14 [pid 313] rmdir("./185" [pid 310] umount2("./175/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 176 [pid 1214] set_robust_list(0x55555bb49760, 24 [pid 1213] <... close resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1214] <... set_robust_list resumed>) = 0 [pid 1213] symlink("/dev/binderfs", "./binderfs" [pid 1212] close(15 [pid 313] mkdir("./186", 0777 [pid 310] newfstatat(AT_FDCWD, "./175/cgroup" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1214] rt_sigprocmask(SIG_SETMASK, [] [pid 1213] <... symlink resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1214] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1213] write(1, "executing program\n", 18 [pid 1212] close(16 executing program [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1214] chdir("./174" [pid 1213] <... write resumed>) = 18 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... chdir resumed>) = 0 [pid 1213] mkdirat(AT_FDCWD, "./config", 0777 [pid 1212] close(17 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./175/cgroup" [pid 1214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1213] <... mkdirat resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1213] mount(NULL, "./config", "configfs", 0, NULL [pid 1212] close(18 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1214] <... prctl resumed>) = 0 [pid 1213] <... mount resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1212] close(19 [pid 1213] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1212] close(20ci2-android-5-15/strace-static-x86_64: Process 1215 attached [pid 1214] setpgid(0, 0 [pid 1213] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1215] set_robust_list(0x55555bb49760, 24 [pid 1214] <... setpgid resumed>) = 0 [pid 1213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1212] close(21 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 188 [pid 1215] <... set_robust_list resumed>) = 0 [pid 1214] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1213] <... mkdirat resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1215] rt_sigprocmask(SIG_SETMASK, [] [pid 1214] <... symlink resumed>) = 0 [pid 1213] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1212] close(22 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(3 [pid 1215] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1214] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1213] <... symlinkat resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1215] chdir("./186" [pid 1214] <... symlink resumed>) = 0 [pid 1213] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1212] close(23 [pid 310] <... close resumed>) = 0 [pid 1215] <... chdir resumed>) = 0 [pid 1214] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1213] <... unlinkat resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./175" [pid 1215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1213] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1212] close(24 [pid 1215] <... prctl resumed>) = 0 [pid 1214] <... symlink resumed>) = 0 [pid 1213] <... unlinkat resumed>) = 0 [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1215] setpgid(0, 0 [pid 1214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1213] close(3 [pid 1212] close(25 [pid 310] mkdir("./176", 0777 [pid 1215] <... setpgid resumed>) = 0 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1214] <... openat resumed>) = 3 [pid 1213] close(4 [pid 1212] close(26 [pid 1215] <... symlink resumed>) = 0 [pid 1214] write(3, "1000", 4 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 1215] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1213] close(5 [pid 1212] close(27 [pid 1215] <... symlink resumed>) = 0 [pid 1214] <... write resumed>) = 4 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1215] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1214] close(3 [pid 1213] close(6 [pid 1212] close(28 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1215] <... symlink resumed>) = 0 [pid 1214] <... close resumed>) = 0 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1214] symlink("/dev/binderfs", "./binderfs" [pid 1213] close(7 [pid 1212] close(29 [pid 1215] <... openat resumed>) = 3 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1212] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1216 attached [pid 1215] write(3, "1000", 4 [pid 1213] close(8 [pid 1212] exit_group(0 [pid 1216] set_robust_list(0x55555bb49760, 24 [pid 1215] <... write resumed>) = 4 [pid 1214] <... symlink resumed>) = 0 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1212] <... exit_group resumed>) = ? [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 178 [pid 1216] <... set_robust_list resumed>) = 0 [pid 1215] close(3 [pid 1214] write(1, "executing program\n", 18 [pid 1213] close(9 [pid 1212] +++ exited with 0 +++ executing program [pid 1216] rt_sigprocmask(SIG_SETMASK, [] [pid 1215] <... close resumed>) = 0 [pid 1214] <... write resumed>) = 18 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1216] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1215] symlink("/dev/binderfs", "./binderfs" [pid 1214] mkdirat(AT_FDCWD, "./config", 0777 [pid 1213] close(10 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1216] chdir("./176" [pid 1215] <... symlink resumed>) = 0 [pid 1214] <... mkdirat resumed>) = 0 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... chdir resumed>) = 0 [pid 1215] write(1, "executing program\n", 18 [pid 1214] mount(NULL, "./config", "configfs", 0, NULL [pid 1213] close(11 [pid 1216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1215] <... write resumed>) = 18 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... prctl resumed>) = 0 executing program [pid 1215] mkdirat(AT_FDCWD, "./config", 0777 [pid 1214] <... mount resumed>) = 0 [pid 1213] close(12 [pid 1216] setpgid(0, 0 [pid 1215] <... mkdirat resumed>) = 0 [pid 1214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... setpgid resumed>) = 0 [pid 1215] mount(NULL, "./config", "configfs", 0, NULL [pid 1213] close(13 [pid 1216] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1215] <... mount resumed>) = 0 [pid 1214] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... symlink resumed>) = 0 [pid 1215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1213] close(14 [pid 1215] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1214] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1213] close(15 [pid 1216] <... symlink resumed>) = 0 [pid 1215] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1213] close(16 [pid 1215] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1214] <... mkdirat resumed>) = 0 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... symlink resumed>) = 0 [pid 1215] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1214] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1213] close(17 [pid 1216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1215] <... symlinkat resumed>) = 0 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1214] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1213] close(18 [pid 1216] <... openat resumed>) = 3 [pid 1215] <... unlinkat resumed>) = 0 [pid 1214] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] write(3, "1000", 4 [pid 1215] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1213] close(19 [pid 1216] <... write resumed>) = 4 [pid 1215] <... unlinkat resumed>) = 0 [pid 1214] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] close(3 [pid 1215] close(3 [pid 1214] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1213] close(20 [pid 1216] <... close resumed>) = 0 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] symlink("/dev/binderfs", "./binderfs" [pid 1215] close(4 [pid 1214] close(3 [pid 1213] close(21 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... symlink resumed>) = 0 [pid 1215] close(5 [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1213] close(22 [pid 1216] write(1, "executing program\n", 18 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] close(4 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1216] <... write resumed>) = 18 [pid 1215] close(6 [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1213] close(23 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] close(7 [pid 1213] close(24 [pid 1216] mkdirat(AT_FDCWD, "./config", 0777 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] close(5 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... mkdirat resumed>) = 0 [pid 1215] close(8 [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1213] close(25 [pid 1216] mount(NULL, "./config", "configfs", 0, NULL [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] close(6 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... mount resumed>) = 0 [pid 1215] close(9 [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1213] close(26 [pid 1216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] close(7 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1215] close(10 [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1213] close(27 [pid 1216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] close(8 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1215] close(11 [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1213] close(28 [pid 1216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] close(9 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] close(12 [pid 1213] close(29 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... mkdirat resumed>) = 0 [pid 1213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1215] close(13 [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1213] exit_group(0 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1213] <... exit_group resumed>) = ? [pid 1216] <... symlinkat resumed>) = 0 [pid 1215] close(14 [pid 1214] close(10 [pid 1213] +++ exited with 0 +++ [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1215] close(15 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1215] close(16 [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... unlinkat resumed>) = 0 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1215] close(17 [pid 1214] close(11 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] close(18) = -1 EBADF (Bad file descriptor) [pid 1215] close(19) = -1 EBADF (Bad file descriptor) [pid 1216] <... unlinkat resumed>) = 0 [pid 1215] close(20 [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] close(3 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] close(12 [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] close(21 [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] close(4 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] close(22) = -1 EBADF (Bad file descriptor) [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] close(13 [pid 1216] close(5 [pid 1215] close(23 [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] close(6 [pid 1215] close(24 [pid 1214] close(14 [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] close(25 [pid 1216] close(7 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] close(26 [pid 1214] close(15 [pid 1216] close(8 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] close(27 [pid 1216] close(9 [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] close(16 [pid 1215] close(28 [pid 312] umount2("./183", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1216] close(10 [pid 1215] close(29 [pid 1214] close(17 [pid 312] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1216] close(11 [pid 1215] exit_group(0 [pid 1214] close(18 [pid 312] fstat(3 [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1215] <... exit_group resumed>) = ? [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1216] close(12 [pid 1215] +++ exited with 0 +++ [pid 1214] close(19 [pid 312] getdents64(3 [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1216] close(13 [pid 1214] close(20 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1216] close(14 [pid 1214] close(21 [pid 312] <... umount2 resumed>) = 0 [pid 311] umount2("./178", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1216] close(15 [pid 1214] close(22 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./183/config" [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1216] close(16 [pid 1214] close(23 [pid 312] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 3 [pid 1216] close(17 [pid 1214] close(24 [pid 312] openat(AT_FDCWD, "./183/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] fstat(3 [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 312] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1216] close(18 [pid 1214] close(25 [pid 312] getdents64(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1216] close(19 [pid 1214] close(26 [pid 312] getdents64(4 [pid 311] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1216] close(20 [pid 1214] close(27 [pid 312] <... close resumed>) = 0 [pid 311] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./183/config" [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1216] close(21 [pid 1214] close(28 [pid 312] umount2("./183/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1216] close(22 [pid 1214] close(29 [pid 312] newfstatat(AT_FDCWD, "./183/binderfs" [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1216] close(23 [pid 1214] exit_group(0 [pid 312] unlink("./183/binderfs" [pid 311] newfstatat(AT_FDCWD, "./178/config" [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1214] <... exit_group resumed>) = ? [pid 312] <... unlink resumed>) = 0 [pid 1216] close(24 [pid 1214] +++ exited with 0 +++ [pid 312] umount2("./183/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./183/cgroup.net" [pid 311] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1216] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./183/cgroup.net" [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./178/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1216] close(26 [pid 312] umount2("./183/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 4 [pid 312] newfstatat(AT_FDCWD, "./183/cgroup.cpu" [pid 1216] close(27 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(4 [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./183/cgroup.cpu" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1216] close(28 [pid 312] <... unlink resumed>) = 0 [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] umount2("./183/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 1216] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./183/cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1216] exit_group(0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 1216] <... exit_group resumed>) = ? [pid 313] umount2("./186", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./183/cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... unlink resumed>) = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] close(3) = 0 [pid 312] rmdir("./183") = 0 [pid 1216] +++ exited with 0 +++ [pid 312] mkdir("./184", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... mkdir resumed>) = 0 [pid 311] close(4 [pid 313] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... openat resumed>) = 3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] fstat(3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] rmdir("./178/config" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1217 attached [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1217] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 186 [pid 311] <... rmdir resumed>) = 0 [pid 1217] <... set_robust_list resumed>) = 0 [pid 313] getdents64(3 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1217] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1217] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1217] chdir("./184" [pid 311] newfstatat(AT_FDCWD, "./178/binderfs" [pid 313] <... umount2 resumed>) = 0 [pid 1217] <... chdir resumed>) = 0 [pid 313] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./178/binderfs" [pid 1217] <... prctl resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./186/config" [pid 1217] setpgid(0, 0 [pid 311] <... unlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1217] <... setpgid resumed>) = 0 [pid 311] umount2("./178/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1217] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1217] <... symlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./178/cgroup.net" [pid 313] openat(AT_FDCWD, "./186/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1217] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... openat resumed>) = 4 [pid 1217] <... symlink resumed>) = 0 [pid 311] unlink("./178/cgroup.net" [pid 1217] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] fstat(4 [pid 311] <... unlink resumed>) = 0 [pid 1217] <... symlink resumed>) = 0 [pid 311] umount2("./178/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1217] <... openat resumed>) = 3 [pid 313] getdents64(4 [pid 1217] write(3, "1000", 4 [pid 311] newfstatat(AT_FDCWD, "./178/cgroup.cpu" [pid 1217] <... write resumed>) = 4 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1217] close(3 [pid 313] getdents64(4 [pid 311] unlink("./178/cgroup.cpu" [pid 1217] <... close resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1217] symlink("/dev/binderfs", "./binderfs" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1217] <... symlink resumed>) = 0 [pid 313] close(4 [pid 311] umount2("./178/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1217] write(1, "executing program\n", 18 [pid 313] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 310] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1217] <... write resumed>) = 18 [pid 313] rmdir("./186/config" [pid 311] newfstatat(AT_FDCWD, "./178/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1217] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 3 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 1217] <... mkdirat resumed>) = 0 [pid 313] umount2("./186/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./178/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1217] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1217] <... mount resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./186/binderfs" [pid 311] getdents64(3 [pid 310] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1217] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1217] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] unlink("./186/binderfs" [pid 311] close(3 [pid 310] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1217] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./176/config" [pid 1217] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./186/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./178" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1217] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./176/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1217] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./186/cgroup.net" [pid 311] mkdir("./179", 0777 [pid 310] <... openat resumed>) = 4 [pid 1217] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1217] <... symlinkat resumed>) = 0 [pid 313] unlink("./186/cgroup.net" [pid 310] getdents64(4 [pid 1217] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... restart_syscall resumed>) = 0 [pid 1217] <... unlinkat resumed>) = 0 [pid 313] umount2("./186/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(4 [pid 1217] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] newfstatat(AT_FDCWD, "./186/cgroup.cpu" [pid 310] close(4 [pid 309] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1218 attached [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./176/config" [pid 309] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1218] set_robust_list(0x55555bb49760, 24 [pid 1217] <... unlinkat resumed>) = 0 [pid 313] unlink("./186/cgroup.cpu" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 181 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1218] <... set_robust_list resumed>) = 0 [pid 1217] close(3 [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 1218] rt_sigprocmask(SIG_SETMASK, [] [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./186/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1218] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1217] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./176/binderfs" [pid 309] getdents64(3 [pid 1218] chdir("./179" [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./186/cgroup" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1218] <... chdir resumed>) = 0 [pid 1217] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./176/binderfs" [pid 309] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./186/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 1218] <... prctl resumed>) = 0 [pid 1217] close(6 [pid 310] umount2("./176/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1218] setpgid(0, 0 [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1218] <... setpgid resumed>) = 0 [pid 1217] close(7 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./176/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1218] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./174/config" [pid 310] unlink("./176/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1218] <... symlink resumed>) = 0 [pid 1217] close(8 [pid 313] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1218] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 309] umount2("./174/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./186" [pid 310] umount2("./176/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1218] <... symlink resumed>) = 0 [pid 1217] close(9 [pid 313] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./174/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1218] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./187", 0777 [pid 310] newfstatat(AT_FDCWD, "./176/cgroup.cpu" [pid 309] <... openat resumed>) = 4 [pid 1218] <... symlink resumed>) = 0 [pid 1217] close(10 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 1218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 310] unlink("./176/cgroup.cpu" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1218] <... openat resumed>) = 3 [pid 1217] close(11 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 1218] write(3, "1000", 4 [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./176/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1218] <... write resumed>) = 4 [pid 1217] close(12 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1218] close(3 [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./176/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4ci2-android-5-15/strace-static-x86_64: Process 1219 attached [pid 310] unlink("./176/cgroup" [pid 309] <... close resumed>) = 0 [pid 1218] <... close resumed>) = 0 [pid 1217] close(13 [pid 1219] set_robust_list(0x55555bb49760, 24 [pid 1218] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./174/config" [pid 1219] <... set_robust_list resumed>) = 0 [pid 1218] <... symlink resumed>) = 0 [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 189 [pid 310] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 1219] rt_sigprocmask(SIG_SETMASK, [] [pid 1218] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1219] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1218] <... write resumed>) = 18 [pid 1217] close(14 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1219] chdir("./187" [pid 310] <... close resumed>) = 0 [pid 1218] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] newfstatat(AT_FDCWD, "./174/binderfs" [pid 1219] <... chdir resumed>) = 0 [pid 1218] <... mkdirat resumed>) = 0 [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./176" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1218] mount(NULL, "./config", "configfs", 0, NULL [pid 1217] close(15 [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./174/binderfs" [pid 1219] <... prctl resumed>) = 0 [pid 1218] <... mount resumed>) = 0 [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./177", 0777 [pid 309] <... unlink resumed>) = 0 [pid 1219] setpgid(0, 0 [pid 1218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1217] close(16 [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./174/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1219] <... setpgid resumed>) = 0 [pid 1218] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1219] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1217] close(17 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./174/cgroup.net" [pid 1219] <... symlink resumed>) = 0 [pid 1218] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1220 attached [pid 1219] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1217] close(18 [pid 309] unlink("./174/cgroup.net" [pid 1220] set_robust_list(0x55555bb49760, 24 [pid 1219] <... symlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 179 [pid 309] <... unlink resumed>) = 0 [pid 1220] <... set_robust_list resumed>) = 0 [pid 1219] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1218] <... mkdirat resumed>) = 0 [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./174/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1220] rt_sigprocmask(SIG_SETMASK, [] [pid 1219] <... symlink resumed>) = 0 [pid 1218] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1217] close(19 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] newfstatat(AT_FDCWD, "./174/cgroup.cpu" [pid 1218] <... symlinkat resumed>) = 0 [pid 1220] chdir("./177" [pid 1219] <... openat resumed>) = 3 [pid 1218] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1220] <... chdir resumed>) = 0 [pid 1219] write(3, "1000", 4 [pid 1218] <... unlinkat resumed>) = 0 [pid 1217] close(20 [pid 309] unlink("./174/cgroup.cpu" [pid 1220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1219] <... write resumed>) = 4 [pid 1218] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1220] <... prctl resumed>) = 0 [pid 1219] close(3 [pid 309] umount2("./174/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1220] setpgid(0, 0 [pid 1219] <... close resumed>) = 0 [pid 1218] <... unlinkat resumed>) = 0 [pid 1217] close(21 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1220] <... setpgid resumed>) = 0 [pid 1219] symlink("/dev/binderfs", "./binderfs" [pid 1218] close(3 [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./174/cgroup" [pid 1220] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1219] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1219] write(1, "executing program\n", 18 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1217] close(22 [pid 1220] <... symlink resumed>) = 0 executing program [pid 309] unlink("./174/cgroup" [pid 1220] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1219] <... write resumed>) = 18 [pid 1218] close(4 [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1220] <... symlink resumed>) = 0 [pid 1219] mkdirat(AT_FDCWD, "./config", 0777 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1217] close(23 [pid 309] getdents64(3 [pid 1220] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1219] <... mkdirat resumed>) = 0 [pid 1218] close(5 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1220] <... symlink resumed>) = 0 [pid 1219] mount(NULL, "./config", "configfs", 0, NULL [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1219] <... mount resumed>) = 0 [pid 1218] close(6 [pid 1217] close(24 [pid 309] <... close resumed>) = 0 [pid 1220] <... openat resumed>) = 3 [pid 1219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./174" [pid 1220] write(3, "1000", 4 [pid 1219] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1218] close(7 [pid 1217] close(25 [pid 309] <... rmdir resumed>) = 0 [pid 1220] <... write resumed>) = 4 [pid 1219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./175", 0777 [pid 1220] close(3 [pid 1219] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1218] close(8 [pid 1217] close(26 [pid 309] <... mkdir resumed>) = 0 [pid 1219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1220] <... close resumed>) = 0 [pid 1219] <... mkdirat resumed>) = 0 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1220] symlink("/dev/binderfs", "./binderfs" [pid 1219] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1218] close(9 [pid 1217] close(27 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1220] <... symlink resumed>) = 0 [pid 1219] <... symlinkat resumed>) = 0 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1219] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1219] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-5-15/strace-static-x86_64: Process 1221 attached [pid 1220] write(1, "executing program\n", 18 [pid 1219] <... unlinkat resumed>) = 0 [pid 1218] close(10 [pid 1217] close(28 [pid 1221] set_robust_list(0x55555bb49760, 24 [pid 1220] <... write resumed>) = 18 [pid 1219] close(3 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1221] <... set_robust_list resumed>) = 0 [pid 1220] mkdirat(AT_FDCWD, "./config", 0777 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] close(11 [pid 1217] close(29 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 177 [pid 1221] rt_sigprocmask(SIG_SETMASK, [] [pid 1219] close(4 [pid 1221] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] chdir("./175" [pid 1220] <... mkdirat resumed>) = 0 [pid 1219] close(5 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1221] <... chdir resumed>) = 0 [pid 1220] mount(NULL, "./config", "configfs", 0, NULL [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] close(12 [pid 1221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1219] close(6 [pid 1221] <... prctl resumed>) = 0 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1217] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1221] setpgid(0, 0 [pid 1220] <... mount resumed>) = 0 [pid 1219] close(7 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1217] <... exit_group resumed>) = ? [pid 1221] <... setpgid resumed>) = 0 [pid 1220] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] close(13 [pid 1221] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1219] close(8 [pid 1221] <... symlink resumed>) = 0 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1219] close(9 [pid 1221] <... symlink resumed>) = 0 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1217] +++ exited with 0 +++ [pid 1221] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1220] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1219] close(10 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1221] <... symlink resumed>) = 0 [pid 1220] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] close(14 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1220] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1219] close(11 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] <... openat resumed>) = 3 [pid 1220] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] close(15 [pid 1221] write(3, "1000", 4 [pid 1219] close(12 [pid 1221] <... write resumed>) = 4 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] close(3 [pid 1219] close(13 [pid 1221] <... close resumed>) = 0 [pid 1220] <... mkdirat resumed>) = 0 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] symlink("/dev/binderfs", "./binderfs" [pid 1220] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1219] close(14 [pid 1218] close(16 [pid 1221] <... symlink resumed>) = 0 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] write(1, "executing program\n", 18 [pid 1220] <... symlinkat resumed>) = 0 executing program [pid 1219] close(15 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] <... write resumed>) = 18 [pid 1220] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] close(17 [pid 1221] mkdirat(AT_FDCWD, "./config", 0777 [pid 1220] <... unlinkat resumed>) = 0 [pid 1219] close(16 [pid 1221] <... mkdirat resumed>) = 0 [pid 1220] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] mount(NULL, "./config", "configfs", 0, NULL [pid 1219] close(17 [pid 1221] <... mount resumed>) = 0 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1220] <... unlinkat resumed>) = 0 [pid 1219] close(18 [pid 1218] close(18 [pid 1221] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1220] close(3 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1219] close(19 [pid 1218] close(19 [pid 1221] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1220] close(4 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1219] close(20 [pid 1218] close(20 [pid 1221] <... mkdirat resumed>) = 0 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1219] close(21 [pid 1221] <... symlinkat resumed>) = 0 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1220] close(5 [pid 1219] close(22 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] <... unlinkat resumed>) = 0 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1219] close(23 [pid 1220] close(6 [pid 1218] close(21 [pid 1221] <... unlinkat resumed>) = 0 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] close(3 [pid 1219] close(24 [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] close(4 [pid 1220] close(7 [pid 1219] close(25 [pid 1218] close(22 [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] close(5 [pid 1220] close(8 [pid 1219] close(26 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] close(23 [pid 1221] close(6 [pid 1220] close(9 [pid 1219] close(27 [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] close(7 [pid 1220] close(10 [pid 1219] close(28 [pid 1218] close(24 [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] close(8 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1219] close(29 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(11 [pid 1219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] close(25 [pid 1221] close(9 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1219] exit_group(0 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(12 [pid 1219] <... exit_group resumed>) = ? [pid 1218] close(26 [pid 1221] close(10 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1219] +++ exited with 0 +++ [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(13 [pid 1218] close(27 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1221] close(11 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(14 [pid 1221] close(12 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] close(28 [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(15 [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] close(13) = -1 EBADF (Bad file descriptor) [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] close(29 [pid 1221] close(14 [pid 1220] close(16 [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] close(15 [pid 1220] close(17 [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] exit_group(0 [pid 1221] close(16) = -1 EBADF (Bad file descriptor) [pid 1220] close(18 [pid 1218] <... exit_group resumed>) = ? [pid 1221] close(17 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1221] close(18) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1221] close(19) = -1 EBADF (Bad file descriptor) [pid 1221] close(20 [pid 312] umount2("./184", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1218] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1220] close(19 [pid 1221] close(21 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(20 [pid 312] <... openat resumed>) = 3 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1221] close(22 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(21 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1221] close(23 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(22 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1221] close(24 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(23 [pid 1221] close(25 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(24 [pid 312] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1221] close(26 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(25 [pid 312] newfstatat(AT_FDCWD, "./184/config" [pid 1221] close(27 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(26 [pid 312] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1221] close(28 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(27 [pid 312] openat(AT_FDCWD, "./184/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1221] close(29 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] close(28 [pid 312] fstat(4 [pid 1221] exit_group(0 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1221] <... exit_group resumed>) = ? [pid 1220] close(29 [pid 312] getdents64(4 [pid 1220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1220] exit_group(0 [pid 313] umount2("./187", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1220] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1221] +++ exited with 0 +++ [pid 1220] +++ exited with 0 +++ [pid 313] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... openat resumed>) = 3 [pid 312] getdents64(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] fstat(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] close(4 [pid 313] getdents64(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... close resumed>) = 0 [pid 313] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./184/config" [pid 313] <... umount2 resumed>) = 0 [pid 313] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./177", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] newfstatat(AT_FDCWD, "./187/config" [pid 312] umount2("./184/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./184/binderfs" [pid 313] openat(AT_FDCWD, "./187/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 313] <... openat resumed>) = 4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 313] fstat(4 [pid 312] unlink("./184/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] getdents64(4 [pid 312] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] umount2("./184/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] close(4 [pid 312] newfstatat(AT_FDCWD, "./184/cgroup.net" [pid 313] <... close resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 313] rmdir("./187/config" [pid 312] unlink("./184/cgroup.net" [pid 311] <... restart_syscall resumed>) = 0 [pid 310] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rmdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 313] umount2("./187/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./184/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./179", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] newfstatat(AT_FDCWD, "./187/binderfs" [pid 312] newfstatat(AT_FDCWD, "./184/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./177/config" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] unlink("./187/binderfs" [pid 312] unlink("./184/cgroup.cpu" [pid 311] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] fstat(3 [pid 313] umount2("./187/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./184/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 313] newfstatat(AT_FDCWD, "./187/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./184/cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./177/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] unlink("./187/cgroup.net" [pid 312] unlink("./184/cgroup" [pid 311] <... umount2 resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 313] umount2("./187/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./179/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] newfstatat(AT_FDCWD, "./187/cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] close(3 [pid 311] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 313] unlink("./187/cgroup.cpu" [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 312] rmdir("./184" [pid 311] openat(AT_FDCWD, "./179/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] umount2("./187/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./185", 0777 [pid 311] fstat(4 [pid 313] newfstatat(AT_FDCWD, "./187/cgroup" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] getdents64(4 [pid 310] close(4 [pid 313] unlink("./187/cgroup" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... restart_syscall resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 313] getdents64(3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./177/config"ci2-android-5-15/strace-static-x86_64: Process 1222 attached [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] close(4 [pid 310] <... rmdir resumed>) = 0 [pid 1222] set_robust_list(0x55555bb49760, 24 [pid 313] close(3 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 187 [pid 310] umount2("./177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 1222] <... set_robust_list resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rmdir("./179/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1222] rt_sigprocmask(SIG_SETMASK, [] [pid 313] rmdir("./187" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./177/binderfs" [pid 1222] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] mkdir("./188", 0777 [pid 310] unlink("./177/binderfs" [pid 1222] chdir("./185" [pid 313] <... mkdir resumed>) = 0 [pid 311] umount2("./179/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1222] <... chdir resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./177/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1222] <... prctl resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] newfstatat(AT_FDCWD, "./179/binderfs" [pid 310] newfstatat(AT_FDCWD, "./177/cgroup.net" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1223 attached [pid 1222] setpgid(0, 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1223] set_robust_list(0x55555bb49760, 24 [pid 1222] <... setpgid resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 190 [pid 311] unlink("./179/binderfs" [pid 310] unlink("./177/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1223] <... set_robust_list resumed>) = 0 [pid 1222] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1223] rt_sigprocmask(SIG_SETMASK, [] [pid 1222] <... symlink resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./177/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1223] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1222] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] umount2("./179/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 1223] chdir("./188" [pid 310] newfstatat(AT_FDCWD, "./177/cgroup.cpu" [pid 1223] <... chdir resumed>) = 0 [pid 1222] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1222] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./179/cgroup.net" [pid 310] unlink("./177/cgroup.cpu" [pid 1223] <... prctl resumed>) = 0 [pid 1222] <... symlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./177/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1223] setpgid(0, 0 [pid 1222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] unlink("./179/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./175/config" [pid 1223] <... setpgid resumed>) = 0 [pid 1222] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./177/cgroup" [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1223] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1222] write(3, "1000", 4 [pid 311] umount2("./179/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./177/cgroup" [pid 1223] <... symlink resumed>) = 0 [pid 1222] <... write resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./175/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1223] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1222] close(3 [pid 311] newfstatat(AT_FDCWD, "./179/cgroup.cpu" [pid 310] getdents64(3 [pid 1223] <... symlink resumed>) = 0 [pid 1222] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1223] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1222] symlink("/dev/binderfs", "./binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 309] openat(AT_FDCWD, "./175/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1223] <... symlink resumed>) = 0 [pid 1222] <... symlink resumed>) = 0 [pid 311] unlink("./179/cgroup.cpu" [pid 310] <... close resumed>) = 0 [pid 1223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1222] write(1, "executing program\n", 18 [pid 310] rmdir("./177" [pid 309] <... openat resumed>) = 4 [pid 311] <... unlink resumed>) = 0 [pid 1223] <... openat resumed>) = 3 [pid 1222] <... write resumed>) = 18 [pid 311] umount2("./179/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 1223] write(3, "1000", 4 [pid 1222] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./178", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1223] <... write resumed>) = 4 [pid 1222] <... mkdirat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./179/cgroup" [pid 310] <... mkdir resumed>) = 0 [pid 1223] close(3 [pid 1222] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 1223] <... close resumed>) = 0 executing program [pid 1222] <... mount resumed>) = 0 [pid 311] unlink("./179/cgroup" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1223] symlink("/dev/binderfs", "./binderfs" [pid 1222] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(4 [pid 1223] <... symlink resumed>) = 0 [pid 1222] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] getdents64(3ci2-android-5-15/strace-static-x86_64: Process 1224 attached [pid 1223] write(1, "executing program\n", 18 [pid 1222] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 180 executing program [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1224] set_robust_list(0x55555bb49760, 24 [pid 1223] <... write resumed>) = 18 [pid 1222] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(4 [pid 1224] <... set_robust_list resumed>) = 0 [pid 1223] mkdirat(AT_FDCWD, "./config", 0777 [pid 1222] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1224] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./175/config" [pid 1222] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1224] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1223] <... mkdirat resumed>) = 0 [pid 1222] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] rmdir("./179" [pid 309] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1224] chdir("./178" [pid 1223] mount(NULL, "./config", "configfs", 0, NULL [pid 1222] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1224] <... chdir resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1223] <... mount resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./175/binderfs" [pid 1224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1222] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] mkdir("./180", 0777 [pid 1224] <... prctl resumed>) = 0 [pid 1223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1222] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1224] setpgid(0, 0 [pid 1223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... mkdir resumed>) = 0 [pid 309] unlink("./175/binderfs" [pid 1222] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... unlink resumed>) = 0 [pid 1224] <... setpgid resumed>) = 0 [pid 1223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./175/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1222] <... unlinkat resumed>) = 0 [pid 1224] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1222] close(3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1224] <... symlink resumed>) = 0 [pid 1223] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./175/cgroup.net" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1224] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1223] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1225 attached [pid 309] unlink("./175/cgroup.net" [pid 1225] set_robust_list(0x55555bb49760, 24 [pid 1224] <... symlink resumed>) = 0 [pid 1225] <... set_robust_list resumed>) = 0 [pid 1223] <... symlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1225] rt_sigprocmask(SIG_SETMASK, [] [pid 1224] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1223] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1222] close(4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 182 [pid 1225] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1224] <... symlink resumed>) = 0 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./175/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1225] chdir("./180" [pid 1224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1223] <... unlinkat resumed>) = 0 [pid 1222] close(5 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1225] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1224] <... openat resumed>) = 3 [pid 1223] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./175/cgroup.cpu" [pid 1225] <... prctl resumed>) = 0 [pid 1224] write(3, "1000", 4 [pid 1225] setpgid(0, 0 [pid 1223] <... unlinkat resumed>) = 0 [pid 1222] close(6 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1225] <... setpgid resumed>) = 0 [pid 1224] <... write resumed>) = 4 [pid 1223] close(3 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./175/cgroup.cpu" [pid 1225] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1224] close(3 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(7 [pid 1225] <... symlink resumed>) = 0 [pid 1224] <... close resumed>) = 0 [pid 1223] close(4 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1225] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1224] symlink("/dev/binderfs", "./binderfs" [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(8 [pid 1225] <... symlink resumed>) = 0 [pid 309] umount2("./175/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1225] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1224] <... symlink resumed>) = 0 [pid 1223] close(5 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1225] <... symlink resumed>) = 0 [pid 1224] write(1, "executing program\n", 18 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(9 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1224] <... write resumed>) = 18 [pid 1223] close(6 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./175/cgroup" [pid 1225] <... openat resumed>) = 3 [pid 1225] write(3, "1000", 4) = 4 [pid 1224] mkdirat(AT_FDCWD, "./config", 0777 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(10 [pid 1225] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1225] <... close resumed>) = 0 [pid 1224] <... mkdirat resumed>) = 0 [pid 1225] symlink("/dev/binderfs", "./binderfs" [pid 1223] close(7 [pid 1224] mount(NULL, "./config", "configfs", 0, NULL [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./175/cgroup" [pid 1225] <... symlink resumed>) = 0 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1225] write(1, "executing program\n", 18 [pid 1224] <... mount resumed>) = 0 [pid 1222] close(11 [pid 1225] <... write resumed>) = 18 executing program [pid 1224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1223] close(8 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1225] mkdirat(AT_FDCWD, "./config", 0777 [pid 1224] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(12 [pid 309] getdents64(3 [pid 1225] <... mkdirat resumed>) = 0 [pid 1224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1225] mount(NULL, "./config", "configfs", 0, NULL [pid 1223] close(9 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1225] <... mount resumed>) = 0 [pid 1224] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(13 [pid 1225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] close(3 [pid 1225] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1223] close(10 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... close resumed>) = 0 [pid 1225] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 1224] <... mkdirat resumed>) = 0 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(14 [pid 309] rmdir("./175" [pid 1225] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1224] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1223] close(11 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1225] <... symlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1225] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1224] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(15 [pid 309] mkdir("./176", 0777 [pid 1225] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1224] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1223] close(12 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1225] <... unlinkat resumed>) = 0 [pid 1224] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(16 [pid 309] <... mkdir resumed>) = 0 [pid 1225] close(3 [pid 1224] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1223] close(13 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1225] close(4 [pid 1224] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] close(3 [pid 1223] close(14 [pid 1222] close(17 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1225] close(5 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] close(4 [pid 1223] close(15 [pid 1222] close(18 [pid 1225] close(6) = -1 EBADF (Bad file descriptor) [pid 1225] close(7) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1226 attached [pid 1225] close(8 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] set_robust_list(0x55555bb49760, 24 [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] close(5 [pid 1223] close(16 [pid 1226] <... set_robust_list resumed>) = 0 [pid 1225] close(9 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(19 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 178 [pid 1226] rt_sigprocmask(SIG_SETMASK, [] [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] close(6 [pid 1223] close(17 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1225] close(10 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(20 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1226] chdir("./176" [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] close(7 [pid 1223] close(18 [pid 1226] <... chdir resumed>) = 0 [pid 1225] close(11 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] close(8 [pid 1223] close(19 [pid 1222] close(21 [pid 1226] <... prctl resumed>) = 0 [pid 1225] close(12 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] setpgid(0, 0 [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] close(9 [pid 1223] close(20 [pid 1226] <... setpgid resumed>) = 0 [pid 1225] close(13 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(22 [pid 1226] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] close(10 [pid 1226] <... symlink resumed>) = 0 [pid 1225] close(14 [pid 1223] close(21 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] close(11 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(23 [pid 1226] <... symlink resumed>) = 0 [pid 1225] close(15 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] close(22 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] close(12 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(24 [pid 1226] <... symlink resumed>) = 0 [pid 1225] close(16 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] close(23 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] close(13 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(25 [pid 1226] <... openat resumed>) = 3 [pid 1225] close(17 [pid 1226] write(3, "1000", 4 [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] close(24 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] <... write resumed>) = 4 [pid 1225] close(18 [pid 1224] close(14 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(26 [pid 1226] close(3 [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] close(25 [pid 1226] <... close resumed>) = 0 [pid 1225] close(19 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] symlink("/dev/binderfs", "./binderfs" [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] <... symlink resumed>) = 0 [pid 1225] close(20 [pid 1224] close(15 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(27 [pid 1226] write(1, "executing program\n", 18 [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1226] <... write resumed>) = 18 [pid 1225] close(21 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] close(26 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] mkdirat(AT_FDCWD, "./config", 0777 [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] close(16 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(28 [pid 1226] <... mkdirat resumed>) = 0 [pid 1225] close(22 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] close(27 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] mount(NULL, "./config", "configfs", 0, NULL [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] <... mount resumed>) = 0 [pid 1225] close(23 [pid 1224] close(17 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1222] close(29 [pid 1226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1225] close(24 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] close(28 [pid 1222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] close(18 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1225] close(25 [pid 1222] exit_group(0 [pid 1226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] close(29 [pid 1222] <... exit_group resumed>) = ? [pid 1225] close(26) = -1 EBADF (Bad file descriptor) [pid 1226] <... mkdirat resumed>) = 0 [pid 1225] close(27) = -1 EBADF (Bad file descriptor) [pid 1224] close(19 [pid 1223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1225] close(28) = -1 EBADF (Bad file descriptor) [pid 1225] close(29) = -1 EBADF (Bad file descriptor) [pid 1225] exit_group(0) = ? [pid 1226] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1225] +++ exited with 0 +++ [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] exit_group(0 [pid 1222] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1226] <... symlinkat resumed>) = 0 [pid 1224] close(20 [pid 1223] <... exit_group resumed>) = ? [pid 1226] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1223] +++ exited with 0 +++ [pid 1224] close(21 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1226] <... unlinkat resumed>) = 0 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1226] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1224] close(22 [pid 1226] <... unlinkat resumed>) = 0 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] close(3 [pid 1224] close(23 [pid 1226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] close(4 [pid 1224] close(24 [pid 1226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] close(5 [pid 1224] close(25 [pid 1226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] close(6 [pid 1224] close(26 [pid 1226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] close(7 [pid 1224] close(27 [pid 1226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] close(8 [pid 1224] close(28 [pid 1226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] close(9 [pid 1224] close(29 [pid 1226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] close(10 [pid 1224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] close(11 [pid 1224] exit_group(0 [pid 1226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1224] <... exit_group resumed>) = ? [pid 1226] close(12 [pid 1224] +++ exited with 0 +++ [pid 1226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1226] close(13 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1226] close(14) = -1 EBADF (Bad file descriptor) [pid 1226] close(15) = -1 EBADF (Bad file descriptor) [pid 1226] close(16) = -1 EBADF (Bad file descriptor) [pid 1226] close(17) = -1 EBADF (Bad file descriptor) [pid 1226] close(18) = -1 EBADF (Bad file descriptor) [pid 1226] close(19) = -1 EBADF (Bad file descriptor) [pid 1226] close(20) = -1 EBADF (Bad file descriptor) [pid 1226] close(21) = -1 EBADF (Bad file descriptor) [pid 1226] close(22) = -1 EBADF (Bad file descriptor) [pid 1226] close(23) = -1 EBADF (Bad file descriptor) [pid 1226] close(24) = -1 EBADF (Bad file descriptor) [pid 1226] close(25) = -1 EBADF (Bad file descriptor) [pid 1226] close(26) = -1 EBADF (Bad file descriptor) [pid 1226] close(27) = -1 EBADF (Bad file descriptor) [pid 1226] close(28) = -1 EBADF (Bad file descriptor) [pid 1226] close(29) = -1 EBADF (Bad file descriptor) [pid 1226] exit_group(0) = ? [pid 1226] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] umount2("./185", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 312] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 312] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./185/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./185/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 312] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4) = 0 [pid 312] rmdir("./185/config") = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 312] umount2("./185/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./185/binderfs") = 0 [pid 311] umount2("./180", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./185/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./185/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./185/cgroup.net" [pid 311] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 312] umount2("./185/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 3 [pid 313] umount2("./188", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./185/cgroup.cpu" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 313] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] unlink("./185/cgroup.cpu" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... openat resumed>) = 3 [pid 312] <... unlink resumed>) = 0 [pid 313] fstat(3 [pid 312] umount2("./185/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 313] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./185/cgroup" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./185/cgroup" [pid 313] <... umount2 resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./188/config" [pid 312] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 311] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./185" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./188/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] mkdir("./186", 0777 [pid 313] <... openat resumed>) = 4 [pid 312] <... mkdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./180/config" [pid 313] fstat(4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] getdents64(4 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1227 attached [pid 313] getdents64(4 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 188 [pid 310] <... restart_syscall resumed>) = 0 [pid 1227] set_robust_list(0x55555bb49760, 24 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1227] <... set_robust_list resumed>) = 0 [pid 313] close(4 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] openat(AT_FDCWD, "./180/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1227] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... close resumed>) = 0 [pid 1227] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] rmdir("./188/config" [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./178", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1227] chdir("./186" [pid 313] <... rmdir resumed>) = 0 [pid 311] fstat(4 [pid 1227] <... chdir resumed>) = 0 [pid 313] umount2("./188/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 310] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1227] <... prctl resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./188/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 1227] setpgid(0, 0 [pid 313] unlink("./188/binderfs" [pid 311] getdents64(4 [pid 310] fstat(3 [pid 1227] <... setpgid resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] umount2("./188/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1227] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1227] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./188/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 1227] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 310] getdents64(3 [pid 313] unlink("./188/cgroup.net" [pid 311] rmdir("./180/config" [pid 1227] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1227] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] umount2("./188/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1227] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./180/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] newfstatat(AT_FDCWD, "./188/cgroup.cpu" [pid 310] <... umount2 resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1227] <... openat resumed>) = 3 [pid 313] unlink("./188/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./180/binderfs" [pid 310] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1227] write(3, "1000", 4 [pid 313] <... unlink resumed>) = 0 [pid 313] umount2("./188/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./188/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./188/cgroup") = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 1227] <... write resumed>) = 4 [pid 313] getdents64(3 [pid 311] unlink("./180/binderfs" [pid 310] newfstatat(AT_FDCWD, "./178/config" [pid 309] fstat(3 [pid 1227] close(3 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] close(3) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1227] <... close resumed>) = 0 [pid 313] rmdir("./188" [pid 311] umount2("./180/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1227] symlink("/dev/binderfs", "./binderfs" [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] mkdir("./189", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1227] <... symlink resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./180/cgroup.net" [pid 310] openat(AT_FDCWD, "./178/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 1227] write(1, "executing program\n", 18 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1227] <... write resumed>) = 18 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] unlink("./180/cgroup.net" [pid 1227] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 1228 attached [pid 310] fstat(4 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1227] <... mkdirat resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 191 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1228] set_robust_list(0x55555bb49760, 24 [pid 1227] mount(NULL, "./config", "configfs", 0, NULL [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./180/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 1227] <... mount resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1228] <... set_robust_list resumed>) = 0 [pid 1227] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] newfstatat(AT_FDCWD, "./180/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1228] rt_sigprocmask(SIG_SETMASK, [] [pid 1227] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1228] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1227] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] unlink("./180/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1228] chdir("./189" [pid 1227] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... unlink resumed>) = 0 [pid 310] close(4 [pid 1227] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] umount2("./180/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./176/config" [pid 1228] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1227] <... mkdirat resumed>) = 0 [pid 310] rmdir("./178/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./176/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./180/cgroup" [pid 1228] <... prctl resumed>) = 0 [pid 1227] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1228] setpgid(0, 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1227] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./176/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1228] <... setpgid resumed>) = 0 [pid 1227] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] unlink("./180/cgroup" [pid 310] newfstatat(AT_FDCWD, "./178/binderfs" [pid 1228] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 309] <... openat resumed>) = 4 [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1228] <... symlink resumed>) = 0 [pid 311] getdents64(3 [pid 1228] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 310] unlink("./178/binderfs" [pid 309] fstat(4 [pid 1227] <... unlinkat resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1228] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1228] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1227] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] close(3 [pid 310] umount2("./178/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1228] <... symlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1227] <... unlinkat resumed>) = 0 [pid 311] rmdir("./180" [pid 309] getdents64(4 [pid 1228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1227] close(3 [pid 310] newfstatat(AT_FDCWD, "./178/cgroup.net" [pid 311] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1228] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 311] mkdir("./181", 0777 [pid 1228] write(3, "1000", 4 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./178/cgroup.net" [pid 309] <... close resumed>) = 0 [pid 1228] <... write resumed>) = 4 [pid 1227] close(4 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./176/config" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1228] close(3 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./178/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1228] <... close resumed>) = 0 [pid 1227] close(5 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1228] symlink("/dev/binderfs", "./binderfs" [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1228] <... symlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1229 attached [pid 1227] close(6 [pid 1228] write(1, "executing program\n", 18 [pid 310] newfstatat(AT_FDCWD, "./178/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1229] set_robust_list(0x55555bb49760, 24 [pid 1228] <... write resumed>) = 18 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 183 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./176/binderfs" [pid 1229] <... set_robust_list resumed>) = 0 [pid 1229] rt_sigprocmask(SIG_SETMASK, [] [pid 1228] mkdirat(AT_FDCWD, "./config", 0777 [pid 1227] close(7 [pid 311] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 310] unlink("./178/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1229] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1228] <... mkdirat resumed>) = 0 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./176/binderfs" [pid 1229] chdir("./181" [pid 1228] mount(NULL, "./config", "configfs", 0, NULL [pid 1227] close(8 [pid 1229] <... chdir resumed>) = 0 [pid 310] umount2("./178/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1228] <... mount resumed>) = 0 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./176/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1229] <... prctl resumed>) = 0 [pid 1228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1227] close(9 [pid 310] newfstatat(AT_FDCWD, "./178/cgroup" [pid 1229] setpgid(0, 0) = 0 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1229] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1228] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1227] close(10 [pid 310] unlink("./178/cgroup" [pid 309] newfstatat(AT_FDCWD, "./176/cgroup.net" [pid 1229] <... symlink resumed>) = 0 [pid 1228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1229] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1229] <... symlink resumed>) = 0 [pid 1228] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1227] close(11 [pid 1229] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 309] unlink("./176/cgroup.net" [pid 1229] <... symlink resumed>) = 0 [pid 1229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1228] <... mkdirat resumed>) = 0 [pid 1227] close(12 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1229] write(3, "1000", 4 [pid 1228] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 309] umount2("./176/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1229] <... write resumed>) = 4 [pid 1229] close(3 [pid 1228] <... symlinkat resumed>) = 0 [pid 1227] close(13 [pid 310] <... close resumed>) = 0 [pid 1229] <... close resumed>) = 0 [pid 1228] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./178" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1229] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1228] <... unlinkat resumed>) = 0 [pid 1227] close(14 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./176/cgroup.cpu" [pid 1229] write(1, "executing program\n", 18 [pid 1228] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./179", 0777 [pid 1229] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1229] mkdirat(AT_FDCWD, "./config", 0777 [pid 1228] <... unlinkat resumed>) = 0 [pid 1227] close(15 [pid 1229] <... mkdirat resumed>) = 0 [pid 1228] close(3 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] unlink("./176/cgroup.cpu" [pid 1229] mount(NULL, "./config", "configfs", 0, NULL [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] close(16 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1229] <... mount resumed>) = 0 [pid 1228] close(4 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] close(17 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./176/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1229] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1228] close(5 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 1230 attached ) = 0 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] close(18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1230] set_robust_list(0x55555bb49760, 24 [pid 1229] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1228] close(6 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 181 [pid 1230] <... set_robust_list resumed>) = 0 [pid 1229] <... symlinkat resumed>) = 0 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] close(19 [pid 309] newfstatat(AT_FDCWD, "./176/cgroup" [pid 1230] rt_sigprocmask(SIG_SETMASK, [] [pid 1229] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1228] close(7 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1230] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1229] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1230] chdir("./179" [pid 1229] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] close(20 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1230] <... chdir resumed>) = 0 [pid 1229] <... unlinkat resumed>) = 0 [pid 309] unlink("./176/cgroup" [pid 1230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1229] close(3 [pid 1230] <... prctl resumed>) = 0 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] close(8 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1230] setpgid(0, 0 [pid 1229] close(4 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] close(21 [pid 309] <... unlink resumed>) = 0 [pid 1230] <... setpgid resumed>) = 0 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] close(9 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1230] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1229] close(5 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] close(22 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1230] <... symlink resumed>) = 0 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1230] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1228] close(10 [pid 1229] close(6 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1230] <... symlink resumed>) = 0 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1230] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 1229] close(7 [pid 1228] close(11 [pid 1227] close(23 [pid 309] <... close resumed>) = 0 [pid 1230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./176" [pid 1230] <... openat resumed>) = 3 [pid 1229] close(8 [pid 1228] close(12 [pid 1227] close(24 [pid 1230] write(3, "1000", 4 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1230] <... write resumed>) = 4 [pid 1229] close(9 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./177", 0777 [pid 1230] close(3 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] close(13 [pid 1227] close(25 [pid 1230] <... close resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1230] symlink("/dev/binderfs", "./binderfs" [pid 1229] close(10 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1230] <... symlink resumed>) = 0 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] close(14 [pid 1227] close(26 [pid 1230] write(1, "executing program\n", 18) = 18 [pid 1229] close(11 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1230] mkdirat(AT_FDCWD, "./config", 0777 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] close(15 [pid 1227] close(27 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1230] <... mkdirat resumed>) = 0 [pid 1229] close(12 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program ci2-android-5-15/strace-static-x86_64: Process 1231 attached [pid 1227] close(28 [pid 1231] set_robust_list(0x55555bb49760, 24 [pid 1230] mount(NULL, "./config", "configfs", 0, NULL [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] close(16 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 179 [pid 1231] <... set_robust_list resumed>) = 0 [pid 1230] <... mount resumed>) = 0 [pid 1229] close(13 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] close(29 [pid 1231] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1231] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] close(17 [pid 1227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1231] chdir("./177" [pid 1230] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1229] close(14 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] <... chdir resumed>) = 0 [pid 1230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] close(18 [pid 1227] exit_group(0 [pid 1231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1230] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1229] close(15 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1227] <... exit_group resumed>) = ? [pid 1231] <... prctl resumed>) = 0 [pid 1230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] close(19 [pid 1231] setpgid(0, 0) = 0 [pid 1231] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 1231] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 1227] +++ exited with 0 +++ [pid 1231] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1229] close(16 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1231] <... symlink resumed>) = 0 [pid 1230] <... mkdirat resumed>) = 0 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] close(20 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1230] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1229] close(17 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] <... openat resumed>) = 3 [pid 1231] write(3, "1000", 4 [pid 1230] <... symlinkat resumed>) = 0 [pid 1231] <... write resumed>) = 4 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1230] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1228] close(21 [pid 1231] close(3 [pid 1229] close(18 [pid 1231] <... close resumed>) = 0 [pid 1230] <... unlinkat resumed>) = 0 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] symlink("/dev/binderfs", "./binderfs" [pid 1230] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1229] close(19 [pid 1228] close(22 [pid 1231] <... symlink resumed>) = 0 [pid 1231] write(1, "executing program\n", 18) = 18 executing program [pid 1231] mkdirat(AT_FDCWD, "./config", 0777 [pid 1230] <... unlinkat resumed>) = 0 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] <... mkdirat resumed>) = 0 [pid 1230] close(3 [pid 1229] close(20 [pid 1228] close(23 [pid 1231] mount(NULL, "./config", "configfs", 0, NULL [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] <... mount resumed>) = 0 [pid 1230] close(4 [pid 1229] close(21 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1230] close(5 [pid 1229] close(22 [pid 1228] close(24 [pid 1231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1230] close(6 [pid 1229] close(23 [pid 1228] close(25 [pid 1231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] <... mkdirat resumed>) = 0 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1230] close(7 [pid 1229] close(24 [pid 1228] close(26 [pid 1231] <... symlinkat resumed>) = 0 [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1230] close(8 [pid 1229] close(25 [pid 1228] close(27 [pid 1231] <... unlinkat resumed>) = 0 [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1230] close(9 [pid 1229] close(26 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] <... unlinkat resumed>) = 0 [pid 1231] close(3) = -1 EBADF (Bad file descriptor) [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] close(28 [pid 1231] close(4 [pid 1230] close(10 [pid 1229] close(27 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] close(29 [pid 1231] close(5) = -1 EBADF (Bad file descriptor) [pid 1230] close(11 [pid 1229] close(28 [pid 1228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] close(6 [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1228] exit_group(0 [pid 1230] close(12 [pid 1231] close(7 [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1229] close(29 [pid 1228] <... exit_group resumed>) = ? [pid 1231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] close(8 [pid 1230] close(13 [pid 1229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] close(9) = -1 EBADF (Bad file descriptor) [pid 1231] close(10) = -1 EBADF (Bad file descriptor) [pid 1231] close(11) = -1 EBADF (Bad file descriptor) [pid 1231] close(12) = -1 EBADF (Bad file descriptor) [pid 1231] close(13) = -1 EBADF (Bad file descriptor) [pid 1228] +++ exited with 0 +++ [pid 1231] close(14) = -1 EBADF (Bad file descriptor) [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] close(15 [pid 1229] exit_group(0 [pid 1230] close(14 [pid 1231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1229] <... exit_group resumed>) = ? [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1231] close(16 [pid 1230] close(15 [pid 1231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] close(17) = -1 EBADF (Bad file descriptor) [pid 1231] close(18) = -1 EBADF (Bad file descriptor) [pid 1231] close(19) = -1 EBADF (Bad file descriptor) [pid 1231] close(20) = -1 EBADF (Bad file descriptor) [pid 1231] close(21) = -1 EBADF (Bad file descriptor) [pid 1231] close(22) = -1 EBADF (Bad file descriptor) [pid 1231] close(23 [pid 1229] +++ exited with 0 +++ [pid 1231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] close(24) = -1 EBADF (Bad file descriptor) [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1231] close(25 [pid 1230] close(16 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] close(26) = -1 EBADF (Bad file descriptor) [pid 1230] close(17 [pid 1231] close(27 [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] close(28) = -1 EBADF (Bad file descriptor) [pid 1230] close(18 [pid 1231] close(29 [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1231] exit_group(0 [pid 1230] close(19 [pid 1231] <... exit_group resumed>) = ? [pid 1231] +++ exited with 0 +++ [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1230] close(20 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1230] close(21) = -1 EBADF (Bad file descriptor) [pid 1230] close(22) = -1 EBADF (Bad file descriptor) [pid 1230] close(23) = -1 EBADF (Bad file descriptor) [pid 1230] close(24) = -1 EBADF (Bad file descriptor) [pid 1230] close(25) = -1 EBADF (Bad file descriptor) [pid 1230] close(26) = -1 EBADF (Bad file descriptor) [pid 1230] close(27) = -1 EBADF (Bad file descriptor) [pid 1230] close(28) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1230] close(29 [pid 309] <... restart_syscall resumed>) = 0 [pid 1230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./186", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1230] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1230] <... exit_group resumed>) = ? [pid 312] <... openat resumed>) = 3 [pid 312] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] umount2("./177", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1230] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./186/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] openat(AT_FDCWD, "./186/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./181", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 312] fstat(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(4 [pid 311] <... openat resumed>) = 3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(3 [pid 312] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] fstat(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] close(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 311] getdents64(3 [pid 312] rmdir("./186/config") = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... umount2 resumed>) = 0 [pid 312] umount2("./186/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./186/binderfs" [pid 311] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./177/config" [pid 312] umount2("./186/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./186/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./181/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./186/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] umount2("./177/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./186/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./186/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./177/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./186/cgroup.cpu" [pid 311] openat(AT_FDCWD, "./181/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 4 [pid 312] <... unlink resumed>) = 0 [pid 312] umount2("./186/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./186/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] unlink("./186/cgroup" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 312] getdents64(3 [pid 311] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] close(3) = 0 [pid 312] rmdir("./186" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 312] <... rmdir resumed>) = 0 [pid 311] getdents64(4 [pid 312] mkdir("./187", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] close(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... close resumed>) = 0 [pid 313] umount2("./189", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1232 attached [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 189 [pid 311] rmdir("./181/config" [pid 309] rmdir("./177/config" [pid 1232] set_robust_list(0x55555bb49760, 24 [pid 313] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1232] <... set_robust_list resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./179", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1232] rt_sigprocmask(SIG_SETMASK, [] [pid 313] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1232] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] umount2("./181/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1232] chdir("./187" [pid 313] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] newfstatat(AT_FDCWD, "./181/binderfs" [pid 1232] <... chdir resumed>) = 0 [pid 313] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./177/binderfs" [pid 1232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] unlink("./181/binderfs") = 0 [pid 310] fstat(3 [pid 313] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1232] <... prctl resumed>) = 0 [pid 313] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./181/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1232] setpgid(0, 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./177/binderfs" [pid 1232] <... setpgid resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./189/config" [pid 311] newfstatat(AT_FDCWD, "./181/cgroup.net" [pid 310] getdents64(3 [pid 1232] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1232] <... symlink resumed>) = 0 [pid 313] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./181/cgroup.net" [pid 310] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./177/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1232] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1232] <... symlink resumed>) = 0 [pid 313] openat(AT_FDCWD, "./189/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1232] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... openat resumed>) = 4 [pid 311] umount2("./181/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./177/cgroup.net" [pid 1232] <... symlink resumed>) = 0 [pid 313] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./181/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./179/config" [pid 309] unlink("./177/cgroup.net" [pid 1232] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1232] write(3, "1000", 4 [pid 313] getdents64(4 [pid 311] unlink("./181/cgroup.cpu" [pid 310] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1232] <... write resumed>) = 4 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... unlink resumed>) = 0 [pid 313] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./177/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1232] close(3 [pid 313] <... close resumed>) = 0 [pid 311] umount2("./181/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1232] <... close resumed>) = 0 [pid 313] rmdir("./189/config" [pid 310] openat(AT_FDCWD, "./179/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1232] symlink("/dev/binderfs", "./binderfs" [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./177/cgroup.cpu" [pid 1232] <... symlink resumed>) = 0 [pid 313] umount2("./189/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./181/cgroup" [pid 310] fstat(4 [pid 1232] write(1, "executing program\n", 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1232] <... write resumed>) = 18 [pid 313] newfstatat(AT_FDCWD, "./189/binderfs" [pid 311] unlink("./181/cgroup" [pid 310] getdents64(4 [pid 309] unlink("./177/cgroup.cpu" [pid 1232] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... unlink resumed>) = 0 [pid 1232] <... mkdirat resumed>) = 0 [pid 313] unlink("./189/binderfs" [pid 310] getdents64(4 [pid 1232] mount(NULL, "./config", "configfs", 0, NULL [pid 311] getdents64(3 [pid 309] umount2("./177/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1232] <... mount resumed>) = 0 [pid 310] close(4 [pid 313] umount2("./189/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1232] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./177/cgroup" [pid 1232] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./189/cgroup.net" [pid 311] <... close resumed>) = 0 [pid 310] rmdir("./179/config" [pid 1232] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./181" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1232] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] unlink("./189/cgroup.net" [pid 310] <... rmdir resumed>) = 0 [pid 1232] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./177/cgroup" [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./179/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1232] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 311] mkdir("./182", 0777 [pid 1232] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] umount2("./189/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 311] <... mkdir resumed>) = 0 [pid 1232] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./179/binderfs" [pid 1232] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] newfstatat(AT_FDCWD, "./189/cgroup.cpu" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(3 [pid 1232] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1232] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] unlink("./189/cgroup.cpu" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./179/binderfs" [pid 309] <... close resumed>) = 0 [pid 1232] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./177" [pid 313] <... unlink resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./179/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./189/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1233 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./178", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1233] set_robust_list(0x55555bb49760, 24 [pid 1232] close(3 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 184 [pid 310] newfstatat(AT_FDCWD, "./179/cgroup.net" [pid 1233] <... set_robust_list resumed>) = 0 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./189/cgroup" [pid 309] <... mkdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1233] rt_sigprocmask(SIG_SETMASK, [] [pid 1232] close(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1233] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./189/cgroup" [pid 310] unlink("./179/cgroup.net" [pid 1233] chdir("./182" [pid 1232] close(5 [pid 313] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1233] <... chdir resumed>) = 0 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1232] close(6 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./179/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1233] <... prctl resumed>) = 0 [pid 1233] setpgid(0, 0) = 0 [pid 1233] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 ci2-android-5-15/strace-static-x86_64: Process 1234 attached [pid 1233] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1234] set_robust_list(0x55555bb49760, 24 [pid 1233] <... symlink resumed>) = 0 [pid 1232] close(7 [pid 313] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./179/cgroup.cpu" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 180 [pid 1234] <... set_robust_list resumed>) = 0 [pid 1233] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./189" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1234] rt_sigprocmask(SIG_SETMASK, [] [pid 1233] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1232] close(8 [pid 1234] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] unlink("./179/cgroup.cpu" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1234] chdir("./178" [pid 1233] <... openat resumed>) = 3 [pid 1232] close(9 [pid 313] mkdir("./190", 0777 [pid 310] <... unlink resumed>) = 0 [pid 1234] <... chdir resumed>) = 0 [pid 1233] write(3, "1000", 4 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 310] umount2("./179/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1233] <... write resumed>) = 4 [pid 1232] close(10 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1234] <... prctl resumed>) = 0 [pid 1233] close(3 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1234] setpgid(0, 0 [pid 1233] <... close resumed>) = 0 [pid 1232] close(11 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1234] <... setpgid resumed>) = 0 [pid 1233] symlink("/dev/binderfs", "./binderfs" [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./179/cgroup" [pid 1234] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1233] <... symlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1235 attached [pid 1234] <... symlink resumed>) = 0 [pid 1233] write(1, "executing program\n", 18 [pid 1232] close(12 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1235] set_robust_list(0x55555bb49760, 24 executing program [pid 1234] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1233] <... write resumed>) = 18 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 192 [pid 310] unlink("./179/cgroup" [pid 1235] <... set_robust_list resumed>) = 0 [pid 1234] <... symlink resumed>) = 0 [pid 1233] mkdirat(AT_FDCWD, "./config", 0777 [pid 1235] rt_sigprocmask(SIG_SETMASK, [] [pid 1234] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1233] <... mkdirat resumed>) = 0 [pid 1232] close(13 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 1235] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1234] <... symlink resumed>) = 0 [pid 1233] mount(NULL, "./config", "configfs", 0, NULL [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 1235] chdir("./190" [pid 1234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1233] <... mount resumed>) = 0 [pid 1232] close(14 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1235] <... chdir resumed>) = 0 [pid 1234] <... openat resumed>) = 3 [pid 1233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1234] write(3, "1000", 4 [pid 1233] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1232] close(15 [pid 310] close(3 [pid 1235] <... prctl resumed>) = 0 [pid 1234] <... write resumed>) = 4 [pid 1233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] setpgid(0, 0 [pid 1234] close(3 [pid 1233] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1232] close(16 [pid 310] <... close resumed>) = 0 [pid 1235] <... setpgid resumed>) = 0 [pid 1234] <... close resumed>) = 0 [pid 1233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./179" [pid 1235] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1234] symlink("/dev/binderfs", "./binderfs" [pid 1233] <... mkdirat resumed>) = 0 [pid 1232] close(17 [pid 1235] <... symlink resumed>) = 0 [pid 1234] <... symlink resumed>) = 0 [pid 1233] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1235] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1234] write(1, "executing program\n", 18 [pid 1233] <... symlinkat resumed>) = 0 [pid 1232] close(18 [pid 310] mkdir("./180", 0777 [pid 1235] <... symlink resumed>) = 0 [pid 1234] <... write resumed>) = 18 executing program [pid 1233] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1235] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1234] mkdirat(AT_FDCWD, "./config", 0777 [pid 1233] <... unlinkat resumed>) = 0 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 1235] <... symlink resumed>) = 0 [pid 1234] <... mkdirat resumed>) = 0 [pid 1233] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1232] close(19 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1234] mount(NULL, "./config", "configfs", 0, NULL [pid 1233] <... unlinkat resumed>) = 0 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] <... openat resumed>) = 3 [pid 1234] <... mount resumed>) = 0 [pid 1233] close(3 [pid 1232] close(20 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1235] write(3, "1000", 4 [pid 1234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1235] <... write resumed>) = 4 [pid 1234] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1233] close(4 [pid 1235] close(3 [pid 1234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1232] close(21 [pid 1235] <... close resumed>) = 0 [pid 1234] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1233] close(5 [pid 1235] symlink("/dev/binderfs", "./binderfs" [pid 1234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1236 attached [pid 1235] <... symlink resumed>) = 0 [pid 1234] <... mkdirat resumed>) = 0 [pid 1233] close(6 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] set_robust_list(0x55555bb49760, 24 [pid 1235] write(1, "executing program\n", 18 executing program [pid 1234] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1232] close(22 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 182 [pid 1236] <... set_robust_list resumed>) = 0 [pid 1235] <... write resumed>) = 18 [pid 1234] <... symlinkat resumed>) = 0 [pid 1233] close(7 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] rt_sigprocmask(SIG_SETMASK, [] [pid 1235] mkdirat(AT_FDCWD, "./config", 0777 [pid 1234] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1232] close(23 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1236] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1235] <... mkdirat resumed>) = 0 [pid 1234] <... unlinkat resumed>) = 0 [pid 1233] close(8 [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1236] chdir("./180" [pid 1235] mount(NULL, "./config", "configfs", 0, NULL [pid 1234] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1232] close(24 [pid 1236] <... chdir resumed>) = 0 [pid 1235] <... mount resumed>) = 0 [pid 1234] <... unlinkat resumed>) = 0 [pid 1233] close(9 [pid 1236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1234] close(3 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(10 [pid 1235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1234] close(4 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] <... prctl resumed>) = 0 [pid 1235] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(11 [pid 1232] close(25 [pid 1236] setpgid(0, 0 [pid 1235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1234] close(5 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] <... setpgid resumed>) = 0 [pid 1235] <... mkdirat resumed>) = 0 [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(12 [pid 1232] close(26 [pid 1236] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1235] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1234] close(6 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] <... symlink resumed>) = 0 [pid 1235] <... symlinkat resumed>) = 0 [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(13 [pid 1232] close(27 [pid 1236] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1235] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1234] close(7 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] <... symlink resumed>) = 0 [pid 1235] <... unlinkat resumed>) = 0 [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(14 [pid 1232] close(28 [pid 1236] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1235] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1234] close(8 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] <... symlink resumed>) = 0 [pid 1235] <... unlinkat resumed>) = 0 [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(15 [pid 1232] close(29 [pid 1236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1235] close(3 [pid 1234] close(9 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(16 [pid 1236] <... openat resumed>) = 3 [pid 1235] close(4 [pid 1234] close(10 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] write(3, "1000", 4 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(17 [pid 1232] exit_group(0 [pid 1236] <... write resumed>) = 4 [pid 1235] close(5 [pid 1234] close(11 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1232] <... exit_group resumed>) = ? [pid 1236] close(3 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(18 [pid 1235] close(6 [pid 1234] close(12 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(19 [pid 1235] close(7 [pid 1234] close(13 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(20 [pid 1232] +++ exited with 0 +++ [pid 1236] <... close resumed>) = 0 [pid 1235] close(8 [pid 1234] close(14 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] symlink("/dev/binderfs", "./binderfs" [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(21 [pid 1236] <... symlink resumed>) = 0 [pid 1235] close(9 [pid 1234] close(15 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1236] write(1, "executing program\n", 18 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(22 executing program [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1236] <... write resumed>) = 18 [pid 1235] close(10 [pid 1234] close(16 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] mkdirat(AT_FDCWD, "./config", 0777 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(23 [pid 1236] <... mkdirat resumed>) = 0 [pid 1235] close(11 [pid 1234] close(17 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] mount(NULL, "./config", "configfs", 0, NULL [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(24 [pid 1236] <... mount resumed>) = 0 [pid 1235] close(12 [pid 1234] close(18 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(25 [pid 1236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1235] close(13 [pid 1234] close(19 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(26 [pid 1236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1235] close(14 [pid 1234] close(20 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(27 [pid 1235] close(15 [pid 1234] close(21 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] <... mkdirat resumed>) = 0 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(28 [pid 1236] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1235] close(16 [pid 1234] close(22 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] close(29 [pid 1236] <... symlinkat resumed>) = 0 [pid 1235] close(17 [pid 1234] close(23 [pid 1233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] exit_group(0 [pid 1235] close(18 [pid 1234] close(24 [pid 1233] <... exit_group resumed>) = ? [pid 1236] <... unlinkat resumed>) = 0 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1233] +++ exited with 0 +++ [pid 1236] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1235] close(19 [pid 1234] close(25 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] <... unlinkat resumed>) = 0 [pid 1235] close(20 [pid 1234] close(26 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1236] close(3 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] close(21 [pid 1234] close(27 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] close(4 [pid 1235] close(22 [pid 1234] close(28 [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] close(5 [pid 1235] close(23 [pid 1234] close(29 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] close(24 [pid 1234] exit_group(0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1236] close(6 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1234] <... exit_group resumed>) = ? [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] close(25 [pid 1234] +++ exited with 0 +++ [pid 1236] close(7 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] close(26 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1236] close(8 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./182", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] close(27 [pid 1236] close(9 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] close(28 [pid 311] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1236] close(10 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] close(29 [pid 311] <... openat resumed>) = 3 [pid 1236] close(11 [pid 1235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1235] exit_group(0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1235] <... exit_group resumed>) = ? [pid 1236] close(12 [pid 1235] +++ exited with 0 +++ [pid 311] getdents64(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1236] close(13 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... restart_syscall resumed>) = 0 [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1236] close(14 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 309] umount2("./178", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1236] close(15 [pid 311] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./187", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1236] close(16 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./182/config" [pid 1236] close(17 [pid 309] <... openat resumed>) = 3 [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1236] close(18 [pid 312] fstat(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1236] close(19 [pid 312] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1236] close(20 [pid 312] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./182/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 1236] close(21 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... umount2 resumed>) = 0 [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 309] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1236] close(22 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./187/config" [pid 309] <... umount2 resumed>) = 0 [pid 1236] close(23 [pid 311] getdents64(4 [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1236] close(24 [pid 312] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1236] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./178/config" [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./187/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] close(4 [pid 1236] close(26 [pid 313] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 311] <... close resumed>) = 0 [pid 309] umount2("./178/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1236] close(27 [pid 312] fstat(4 [pid 311] rmdir("./182/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./190", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1236] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 312] getdents64(4 [pid 309] openat(AT_FDCWD, "./178/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] umount2("./182/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1236] close(29 [pid 313] <... openat resumed>) = 3 [pid 312] getdents64(4 [pid 309] <... openat resumed>) = 4 [pid 1236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 1236] exit_group(0 [pid 312] close(4 [pid 311] newfstatat(AT_FDCWD, "./182/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1236] <... exit_group resumed>) = ? [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1236] +++ exited with 0 +++ [pid 311] unlink("./182/binderfs" [pid 312] rmdir("./187/config" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... unlink resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 313] getdents64(3 [pid 312] umount2("./187/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./182/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(4 [pid 313] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./187/binderfs" [pid 311] newfstatat(AT_FDCWD, "./182/cgroup.net" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... umount2 resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 313] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./187/binderfs" [pid 311] unlink("./182/cgroup.net" [pid 309] rmdir("./178/config" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 312] umount2("./187/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./182/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] newfstatat(AT_FDCWD, "./190/config" [pid 312] newfstatat(AT_FDCWD, "./187/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./182/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./178/binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./187/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] openat(AT_FDCWD, "./190/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] unlink("./182/cgroup.cpu" [pid 313] <... openat resumed>) = 4 [pid 312] umount2("./187/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./178/binderfs" [pid 311] umount2("./182/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] fstat(4 [pid 312] newfstatat(AT_FDCWD, "./187/cgroup.cpu" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 313] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./182/cgroup" [pid 309] umount2("./178/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] unlink("./187/cgroup.cpu" [pid 313] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] unlink("./182/cgroup" [pid 309] newfstatat(AT_FDCWD, "./178/cgroup.net" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] umount2("./187/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] close(4 [pid 311] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 309] unlink("./178/cgroup.net" [pid 313] rmdir("./190/config" [pid 312] newfstatat(AT_FDCWD, "./187/cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] umount2("./190/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(3 [pid 309] umount2("./178/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./187/cgroup" [pid 311] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./190/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./178/cgroup.cpu" [pid 311] rmdir("./182" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./190/binderfs" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./178/cgroup.cpu" [pid 313] <... unlink resumed>) = 0 [pid 312] close(3 [pid 311] mkdir("./183", 0777 [pid 309] <... unlink resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 312] rmdir("./187" [pid 311] <... mkdir resumed>) = 0 [pid 313] umount2("./190/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./178/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] newfstatat(AT_FDCWD, "./190/cgroup.net" [pid 312] mkdir("./188", 0777 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./178/cgroup" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1237 attached [pid 1237] set_robust_list(0x55555bb49760, 24 [pid 313] unlink("./190/cgroup.net" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 185 [pid 309] unlink("./178/cgroup" [pid 1237] <... set_robust_list resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./180", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1237] rt_sigprocmask(SIG_SETMASK, [] [pid 313] umount2("./190/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 1237] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1237] chdir("./183") = 0 [pid 313] newfstatat(AT_FDCWD, "./190/cgroup.cpu" [pid 1237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1237] setpgid(0, 0) = 0 [pid 1237] symlink("/syzcgroup/unified/syz2", "./cgroup"ci2-android-5-15/strace-static-x86_64: Process 1238 attached ) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1238] set_robust_list(0x55555bb49760, 24 [pid 1237] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] unlink("./190/cgroup.cpu" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 190 [pid 1238] <... set_robust_list resumed>) = 0 [pid 1237] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] close(3 [pid 1238] rt_sigprocmask(SIG_SETMASK, [] [pid 1237] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] <... unlink resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(3 [pid 1238] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1237] <... symlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1238] chdir("./188" [pid 1237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./190/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1238] <... chdir resumed>) = 0 [pid 1237] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./178" [pid 1238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1237] write(3, "1000", 4 [pid 313] newfstatat(AT_FDCWD, "./190/cgroup" [pid 310] getdents64(3 [pid 1238] <... prctl resumed>) = 0 [pid 1237] <... write resumed>) = 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1238] setpgid(0, 0 [pid 1237] close(3 [pid 313] unlink("./190/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] mkdir("./179", 0777 [pid 1238] <... setpgid resumed>) = 0 [pid 1237] <... close resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1238] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1237] symlink("/dev/binderfs", "./binderfs" [pid 1238] <... symlink resumed>) = 0 [pid 1237] <... symlink resumed>) = 0 [pid 313] getdents64(3 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1238] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1237] write(1, "executing program\n", 18 [pid 1238] <... symlink resumed>) = 0 [pid 1237] <... write resumed>) = 18 executing program [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1238] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1237] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] close(3 [pid 1238] <... symlink resumed>) = 0 [pid 1237] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1237] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./180/config" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1238] <... openat resumed>) = 3 [pid 1237] <... mount resumed>) = 0 [pid 313] rmdir("./190" [pid 1238] write(3, "1000", 4 [pid 1237] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1238] <... write resumed>) = 4 [pid 1237] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1238] close(3 [pid 1237] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-5-15/strace-static-x86_64: Process 1239 attached [pid 1238] <... close resumed>) = 0 [pid 1237] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1238] symlink("/dev/binderfs", "./binderfs" [pid 1237] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 1239] set_robust_list(0x55555bb49760, 24 [pid 310] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 181 [pid 1239] <... set_robust_list resumed>) = 0 [pid 1238] <... symlink resumed>) = 0 [pid 1237] <... mkdirat resumed>) = 0 [pid 313] mkdir("./191", 0777 [pid 1238] write(1, "executing program\n", 18 [pid 1237] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" executing program [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1239] rt_sigprocmask(SIG_SETMASK, [] [pid 1238] <... write resumed>) = 18 [pid 1237] <... symlinkat resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./180/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1239] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1238] mkdirat(AT_FDCWD, "./config", 0777 [pid 1237] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1239] chdir("./179" [pid 1238] <... mkdirat resumed>) = 0 [pid 1237] <... unlinkat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 4 [pid 1239] <... chdir resumed>) = 0 [pid 1238] mount(NULL, "./config", "configfs", 0, NULL [pid 1237] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(4 [pid 1239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1238] <... mount resumed>) = 0 [pid 1237] <... unlinkat resumed>) = 0 [pid 1238] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1237] close(3 [pid 1239] <... prctl resumed>) = 0 [pid 1238] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1239] setpgid(0, 0 [pid 1238] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1237] close(4 [pid 1238] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1237] close(5 [pid 1238] <... mkdirat resumed>) = 0 [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1237] close(6ci2-android-5-15/strace-static-x86_64: Process 1240 attached [pid 1239] <... setpgid resumed>) = 0 [pid 1238] <... symlinkat resumed>) = 0 [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1240] set_robust_list(0x55555bb49760, 24 [pid 1239] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1238] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1237] close(7 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 193 [pid 1240] <... set_robust_list resumed>) = 0 [pid 1239] <... symlink resumed>) = 0 [pid 1238] <... unlinkat resumed>) = 0 [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1240] rt_sigprocmask(SIG_SETMASK, [] [pid 1239] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1238] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1237] close(8 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1240] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1239] <... symlink resumed>) = 0 [pid 1238] <... unlinkat resumed>) = 0 [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1240] chdir("./191" [pid 1239] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1238] close(3 [pid 1237] close(9 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1240] <... chdir resumed>) = 0 [pid 1239] <... symlink resumed>) = 0 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1238] close(4 [pid 1237] close(10 [pid 310] close(4 [pid 1240] <... prctl resumed>) = 0 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1240] setpgid(0, 0 [pid 1239] <... openat resumed>) = 3 [pid 1238] close(5 [pid 1237] close(11 [pid 310] <... close resumed>) = 0 [pid 1240] <... setpgid resumed>) = 0 [pid 1239] write(3, "1000", 4 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1240] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1239] <... write resumed>) = 4 [pid 1238] close(6 [pid 1237] close(12 [pid 310] rmdir("./180/config" [pid 1240] <... symlink resumed>) = 0 [pid 1239] close(3 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1240] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1239] <... close resumed>) = 0 [pid 1238] close(7 [pid 1237] close(13 [pid 310] <... rmdir resumed>) = 0 [pid 1240] <... symlink resumed>) = 0 [pid 1239] symlink("/dev/binderfs", "./binderfs" [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1240] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1238] close(8 [pid 1237] close(14 [pid 310] umount2("./180/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1240] <... symlink resumed>) = 0 [pid 1239] <... symlink resumed>) = 0 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1239] write(1, "executing program\n", 18 [pid 1238] close(9 executing program [pid 1237] close(15 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1240] <... openat resumed>) = 3 [pid 1239] <... write resumed>) = 18 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./180/binderfs" [pid 1240] write(3, "1000", 4 [pid 1238] close(10 [pid 1237] close(16 [pid 1240] <... write resumed>) = 4 [pid 1239] mkdirat(AT_FDCWD, "./config", 0777 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1240] close(3 [pid 1239] <... mkdirat resumed>) = 0 [pid 1238] close(11 [pid 1237] close(17 [pid 1240] <... close resumed>) = 0 [pid 1239] mount(NULL, "./config", "configfs", 0, NULL [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./180/binderfs" [pid 1240] symlink("/dev/binderfs", "./binderfs" [pid 1239] <... mount resumed>) = 0 [pid 1238] close(12 [pid 1237] close(18 [pid 1240] <... symlink resumed>) = 0 [pid 1239] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1240] write(1, "executing program\n", 18 [pid 1239] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1238] close(13 [pid 1237] close(19 [pid 310] umount2("./180/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1240] <... write resumed>) = 18 executing program [pid 1239] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1240] mkdirat(AT_FDCWD, "./config", 0777 [pid 1239] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1238] close(14 [pid 1237] close(20 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1240] <... mkdirat resumed>) = 0 [pid 1239] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1240] mount(NULL, "./config", "configfs", 0, NULL [pid 1238] close(15 [pid 1237] close(21 [pid 1240] <... mount resumed>) = 0 [pid 1239] <... mkdirat resumed>) = 0 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./180/cgroup.net" [pid 1240] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1239] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1238] close(16 [pid 1237] close(22 [pid 1240] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1240] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1239] <... symlinkat resumed>) = 0 [pid 1238] close(17 [pid 1237] close(23 [pid 310] unlink("./180/cgroup.net" [pid 1240] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1239] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1240] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1238] close(18 [pid 1237] close(24 [pid 1240] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1239] <... unlinkat resumed>) = 0 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1240] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1239] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1238] close(19 [pid 1237] close(25 [pid 310] umount2("./180/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1240] <... symlinkat resumed>) = 0 [pid 1239] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1240] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1239] close(3 [pid 1238] close(20 [pid 1237] close(26 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1240] <... unlinkat resumed>) = 0 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./180/cgroup.cpu" [pid 1240] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1239] close(4 [pid 1238] close(21 [pid 1237] close(27 [pid 1240] <... unlinkat resumed>) = 0 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1240] close(3 [pid 1239] close(5 [pid 1238] close(22 [pid 1237] close(28 [pid 310] unlink("./180/cgroup.cpu" [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1240] close(4 [pid 1238] close(23 [pid 1237] close(29 [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] close(6 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1240] close(5 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] close(24 [pid 1237] exit_group(0 [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] close(7 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1237] <... exit_group resumed>) = ? [pid 310] umount2("./180/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1240] close(6 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] close(25 [pid 1237] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] close(8 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./180/cgroup" [pid 1240] close(7 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] close(26 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] close(9 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1240] close(8 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] close(27 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] unlink("./180/cgroup" [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] close(10 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1240] close(9 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] close(28 [pid 310] <... unlink resumed>) = 0 [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] close(11 [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1240] close(10 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] close(29 [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] close(12 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1240] close(11 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] exit_group(0 [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] close(13 [pid 1238] <... exit_group resumed>) = ? [pid 310] close(3 [pid 1240] close(12 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1238] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] close(14 [pid 310] rmdir("./180" [pid 1240] close(13 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] close(15 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rmdir resumed>) = 0 [pid 1240] close(14 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./181", 0777 [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] close(16 [pid 1240] close(15) = -1 EBADF (Bad file descriptor) [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 1240] close(16) = -1 EBADF (Bad file descriptor) [pid 1240] close(17) = -1 EBADF (Bad file descriptor) [pid 1240] close(18 [pid 1239] close(17 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1240] close(19 [pid 1239] close(18 [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1240] close(20 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1240] close(21) = -1 EBADF (Bad file descriptor) [pid 1240] close(22) = -1 EBADF (Bad file descriptor) [pid 1240] close(23) = -1 EBADF (Bad file descriptor) [pid 1240] close(24) = -1 EBADF (Bad file descriptor) [pid 1240] close(25) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1241 attached [pid 1240] close(26 [pid 1239] close(19 [pid 311] umount2("./183", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1241] set_robust_list(0x55555bb49760, 24 [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1241] <... set_robust_list resumed>) = 0 [pid 1240] close(27 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 183 [pid 1241] rt_sigprocmask(SIG_SETMASK, [] [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] close(20 [pid 311] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1241] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1240] close(28 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1241] chdir("./181" [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1241] <... chdir resumed>) = 0 [pid 1240] close(29 [pid 1239] close(21 [pid 311] <... openat resumed>) = 3 [pid 312] umount2("./188", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(3 [pid 1241] <... prctl resumed>) = 0 [pid 1240] exit_group(0 [pid 1239] close(22 [pid 312] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1241] setpgid(0, 0 [pid 1240] <... exit_group resumed>) = ? [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1241] <... setpgid resumed>) = 0 [pid 1240] +++ exited with 0 +++ [pid 1239] close(23 [pid 312] fstat(3 [pid 311] getdents64(3 [pid 1241] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1241] <... symlink resumed>) = 0 [pid 1239] close(24 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] getdents64(3 [pid 1241] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1241] <... symlink resumed>) = 0 [pid 1239] close(25 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1241] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 1241] <... symlink resumed>) = 0 [pid 1239] close(26 [pid 1241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1241] <... openat resumed>) = 3 [pid 1241] write(3, "1000", 4) = 4 [pid 1241] close(3) = 0 [pid 1241] symlink("/dev/binderfs", "./binderfs") = 0 [pid 312] <... umount2 resumed>) = 0 [pid 1241] write(1, "executing program\n", 18 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1241] <... write resumed>) = 18 [pid 1239] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1241] mkdirat(AT_FDCWD, "./config", 0777 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./183/config" [pid 1241] <... mkdirat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./188/config" [pid 1241] mount(NULL, "./config", "configfs", 0, NULL [pid 1239] close(28 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1241] <... mount resumed>) = 0 [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1239] close(29 [pid 312] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1241] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1241] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1239] exit_group(0 [pid 311] openat(AT_FDCWD, "./183/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1239] <... exit_group resumed>) = ? [pid 312] openat(AT_FDCWD, "./188/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1241] <... mkdirat resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 1241] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1241] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1241] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1241] close(3) = -1 EBADF (Bad file descriptor) [pid 1241] close(4) = -1 EBADF (Bad file descriptor) [pid 1241] close(5 [pid 1239] +++ exited with 0 +++ [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1241] close(6 [pid 312] <... openat resumed>) = 4 [pid 311] fstat(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1241] close(7 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] getdents64(4 [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1241] close(8 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] getdents64(4 [pid 1241] close(9 [pid 312] getdents64(4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] close(4 [pid 1241] close(10 [pid 312] close(4 [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1241] close(11 [pid 312] <... close resumed>) = 0 [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] rmdir("./188/config" [pid 311] rmdir("./183/config" [pid 1241] close(12) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1241] close(13 [pid 311] <... rmdir resumed>) = 0 [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./188/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./183/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1241] close(14 [pid 313] umount2("./191", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./188/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1241] close(15 [pid 313] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./183/binderfs" [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1241] close(16) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] unlink("./188/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1241] close(17 [pid 313] fstat(3 [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] unlink("./183/binderfs" [pid 1241] close(18 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] umount2("./188/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 1241] close(19 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./188/cgroup.net" [pid 311] umount2("./183/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1241] close(20) = -1 EBADF (Bad file descriptor) [pid 1241] close(21) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1241] close(22 [pid 313] <... umount2 resumed>) = 0 [pid 312] unlink("./188/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./183/cgroup.net" [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 1241] close(23 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./188/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1241] close(24 [pid 313] newfstatat(AT_FDCWD, "./191/config" [pid 311] unlink("./183/cgroup.net" [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1241] close(25 [pid 311] <... unlink resumed>) = 0 [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1241] close(26 [pid 313] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./188/cgroup.cpu" [pid 311] umount2("./183/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1241] close(27 [pid 313] openat(AT_FDCWD, "./191/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./188/cgroup.cpu" [pid 1241] close(28 [pid 313] <... openat resumed>) = 4 [pid 311] newfstatat(AT_FDCWD, "./183/cgroup.cpu" [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] <... unlink resumed>) = 0 [pid 1241] close(29 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] umount2("./188/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1241] exit_group(0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] newfstatat(AT_FDCWD, "./188/cgroup" [pid 311] unlink("./183/cgroup.cpu" [pid 1241] <... exit_group resumed>) = ? [pid 313] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1241] +++ exited with 0 +++ [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] unlink("./188/cgroup" [pid 311] <... unlink resumed>) = 0 [pid 313] close(4 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./183/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./183/cgroup" [pid 313] rmdir("./191/config" [pid 312] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./191/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] unlink("./183/cgroup" [pid 310] umount2("./181", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(3 [pid 313] newfstatat(AT_FDCWD, "./191/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 311] getdents64(3 [pid 310] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] unlink("./191/binderfs" [pid 312] rmdir("./188" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 3 [pid 313] <... unlink resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] close(3 [pid 310] fstat(3 [pid 313] umount2("./191/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] mkdir("./189", 0777 [pid 311] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] rmdir("./183" [pid 310] getdents64(3 [pid 311] <... rmdir resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./191/cgroup.net" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] mkdir("./184", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] unlink("./191/cgroup.net" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... mkdir resumed>) = 0 [pid 310] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1242 attached [pid 1242] set_robust_list(0x55555bb49760, 24 [pid 313] umount2("./191/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 191 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = 0 [pid 1242] <... set_robust_list resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1242] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 313] newfstatat(AT_FDCWD, "./191/cgroup.cpu" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1242] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1242] chdir("./189" [pid 313] unlink("./191/cgroup.cpu" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1242] <... chdir resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1242] setpgid(0, 0) = 0 [pid 1242] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 1242] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 1242] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 1242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1242] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 1243 attached ) = 4 [pid 313] umount2("./191/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./181/config" [pid 309] <... restart_syscall resumed>) = 0 [pid 1243] set_robust_list(0x55555bb49760, 24 [pid 1242] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 186 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1243] <... set_robust_list resumed>) = 0 [pid 1242] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./191/cgroup" [pid 1243] rt_sigprocmask(SIG_SETMASK, [] [pid 1242] symlink("/dev/binderfs", "./binderfs" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1243] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1242] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1243] chdir("./184" [pid 1242] write(1, "executing program\n", 18 executing program [pid 313] unlink("./191/cgroup" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./179", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1243] <... chdir resumed>) = 0 [pid 1242] <... write resumed>) = 18 [pid 1243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1242] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./181/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1243] <... prctl resumed>) = 0 [pid 1242] <... mkdirat resumed>) = 0 [pid 313] getdents64(3 [pid 1243] setpgid(0, 0 [pid 1242] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1243] <... setpgid resumed>) = 0 [pid 1242] <... mount resumed>) = 0 [pid 313] close(3 [pid 310] fstat(4 [pid 1243] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1243] <... symlink resumed>) = 0 [pid 1242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rmdir("./191" [pid 309] fstat(3 [pid 310] getdents64(4 [pid 1243] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 1243] <... symlink resumed>) = 0 [pid 1242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] mkdir("./192", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1243] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 1243] <... symlink resumed>) = 0 [pid 1242] <... mkdirat resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 1243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1242] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1243] <... openat resumed>) = 3 [pid 1242] <... symlinkat resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] close(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1243] write(3, "1000", 4 [pid 1242] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1243] <... write resumed>) = 4 [pid 1242] <... unlinkat resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... close resumed>) = 0 [pid 309] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1243] close(3 [pid 1242] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1243] <... close resumed>) = 0 [pid 1242] <... unlinkat resumed>) = 0 [pid 1243] symlink("/dev/binderfs", "./binderfs" [pid 1242] close(3ci2-android-5-15/strace-static-x86_64: Process 1244 attached [pid 1243] <... symlink resumed>) = 0 [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./181/config" [pid 1244] set_robust_list(0x55555bb49760, 24 [pid 1243] write(1, "executing program\n", 18 [pid 1242] close(4 executing program [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 194 [pid 309] <... umount2 resumed>) = 0 [pid 1244] <... set_robust_list resumed>) = 0 [pid 1243] <... write resumed>) = 18 [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1244] rt_sigprocmask(SIG_SETMASK, [] [pid 1243] mkdirat(AT_FDCWD, "./config", 0777 [pid 1242] close(5 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./181/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1244] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1243] <... mkdirat resumed>) = 0 [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1243] mount(NULL, "./config", "configfs", 0, NULL [pid 1242] close(6 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1244] chdir("./192" [pid 1243] <... mount resumed>) = 0 [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1244] <... chdir resumed>) = 0 [pid 1243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1242] close(7 [pid 310] newfstatat(AT_FDCWD, "./181/binderfs" [pid 309] newfstatat(AT_FDCWD, "./179/config" [pid 1244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1243] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1244] <... prctl resumed>) = 0 [pid 1243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1242] close(8 [pid 310] unlink("./181/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1244] setpgid(0, 0 [pid 1243] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1244] <... setpgid resumed>) = 0 [pid 1243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1242] close(9 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./179/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1244] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1243] <... mkdirat resumed>) = 0 [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./181/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1243] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1242] close(10 [pid 1244] <... symlink resumed>) = 0 [pid 1243] <... symlinkat resumed>) = 0 [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./179/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1244] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1243] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1242] close(11 [pid 1244] <... symlink resumed>) = 0 [pid 1243] <... unlinkat resumed>) = 0 [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./181/cgroup.net" [pid 309] <... openat resumed>) = 4 [pid 1244] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1243] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1242] close(12 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1244] <... symlink resumed>) = 0 [pid 1243] <... unlinkat resumed>) = 0 [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./181/cgroup.net" [pid 309] fstat(4 [pid 1244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1243] close(3 [pid 1242] close(13 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1243] close(4 [pid 1242] close(14 [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1244] <... openat resumed>) = 3 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./181/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1244] write(3, "1000", 4 [pid 1243] close(5 [pid 1242] close(15 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1244] <... write resumed>) = 4 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./181/cgroup.cpu" [pid 309] getdents64(4 [pid 1244] close(3 [pid 1243] close(6 [pid 1242] close(16 [pid 1244] <... close resumed>) = 0 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1244] symlink("/dev/binderfs", "./binderfs" [pid 1243] close(7 [pid 1242] close(17 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./181/cgroup.cpu" [pid 309] close(4 [pid 1244] <... symlink resumed>) = 0 [pid 1243] close(8 [pid 1242] close(18 [pid 1244] write(1, "executing program\n", 18 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 executing program [pid 309] <... close resumed>) = 0 [pid 1244] <... write resumed>) = 18 [pid 1243] close(9 [pid 1242] close(19 [pid 310] umount2("./181/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./179/config" [pid 1244] mkdirat(AT_FDCWD, "./config", 0777 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1243] close(10 [pid 1242] close(20 [pid 309] <... rmdir resumed>) = 0 [pid 1244] <... mkdirat resumed>) = 0 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./181/cgroup" [pid 1244] mount(NULL, "./config", "configfs", 0, NULL [pid 1243] close(11 [pid 1242] close(21 [pid 309] umount2("./179/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1244] <... mount resumed>) = 0 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1243] close(12 [pid 1242] close(22 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./181/cgroup" [pid 1244] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./179/binderfs" [pid 1244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1243] close(13 [pid 1242] close(23 [pid 310] <... unlink resumed>) = 0 [pid 1244] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1243] close(14 [pid 1242] close(24 [pid 310] getdents64(3 [pid 309] unlink("./179/binderfs" [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1244] <... mkdirat resumed>) = 0 [pid 1243] close(15 [pid 1242] close(25 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1244] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 309] <... unlink resumed>) = 0 [pid 1244] <... symlinkat resumed>) = 0 [pid 1243] close(16 [pid 1242] close(26 [pid 310] <... close resumed>) = 0 [pid 1244] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./181" [pid 309] umount2("./179/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1244] <... unlinkat resumed>) = 0 [pid 1243] close(17 [pid 1242] close(27 [pid 1244] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1243] close(18 [pid 1242] close(28 [pid 1244] <... unlinkat resumed>) = 0 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./182", 0777 [pid 309] newfstatat(AT_FDCWD, "./179/cgroup.net" [pid 1244] close(3 [pid 1243] close(19 [pid 1242] close(29 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1243] close(20 [pid 1242] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1244] close(4 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1242] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./179/cgroup.net" [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1243] close(21 [pid 1242] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1244] close(5 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... unlink resumed>) = 0 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1243] close(22 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1243] close(23) = -1 EBADF (Bad file descriptor) [pid 1243] close(24) = -1 EBADF (Bad file descriptor) [pid 1243] close(25) = -1 EBADF (Bad file descriptor) [pid 1243] close(26) = -1 EBADF (Bad file descriptor) [pid 1243] close(27ci2-android-5-15/strace-static-x86_64: Process 1245 attached [pid 1244] close(6 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./179/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1245] set_robust_list(0x55555bb49760, 24 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1243] close(28 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 184 [pid 1245] <... set_robust_list resumed>) = 0 [pid 1244] close(7 [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1245] rt_sigprocmask(SIG_SETMASK, [] [pid 1243] close(29 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1245] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./179/cgroup.cpu" [pid 1245] chdir("./182" [pid 1244] close(8 [pid 1243] exit_group(0 [pid 1245] <... chdir resumed>) = 0 [pid 1243] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1243] +++ exited with 0 +++ [pid 309] unlink("./179/cgroup.cpu" [pid 1245] <... prctl resumed>) = 0 [pid 1244] close(9 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1245] setpgid(0, 0 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 1245] <... setpgid resumed>) = 0 [pid 1244] close(10 [pid 1245] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./179/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1245] <... symlink resumed>) = 0 [pid 1244] close(11 [pid 1245] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1245] <... symlink resumed>) = 0 [pid 1244] close(12 [pid 309] newfstatat(AT_FDCWD, "./179/cgroup" [pid 1245] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1244] close(13 [pid 1245] <... openat resumed>) = 3 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./179/cgroup" [pid 1245] write(3, "1000", 4 [pid 1244] close(14 [pid 1245] <... write resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 1245] close(3 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1245] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 1244] close(15 [pid 1245] symlink("/dev/binderfs", "./binderfs" [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1245] <... symlink resumed>) = 0 [pid 1245] write(1, "executing program\n", 18) = 18 executing program [pid 1244] close(16 [pid 1245] mkdirat(AT_FDCWD, "./config", 0777 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 309] close(3 [pid 1245] <... mkdirat resumed>) = 0 [pid 1244] close(17 [pid 1245] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... close resumed>) = 0 [pid 1245] <... mount resumed>) = 0 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./179" [pid 1245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1244] close(18 [pid 312] umount2("./189", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1245] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1244] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1245] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./180", 0777 [pid 312] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1244] close(20 [pid 312] <... openat resumed>) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 1245] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1245] <... symlinkat resumed>) = 0 [pid 1244] close(21 [pid 1245] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1245] <... unlinkat resumed>) = 0 [pid 1244] close(22 [pid 312] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1245] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1245] <... unlinkat resumed>) = 0 [pid 1245] close(3) = -1 EBADF (Bad file descriptor) [pid 1245] close(4) = -1 EBADF (Bad file descriptor) [pid 1245] close(5) = -1 EBADF (Bad file descriptor) [pid 1245] close(6) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1246 attached [pid 1245] close(7 [pid 1244] close(23 [pid 312] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... restart_syscall resumed>) = 0 [pid 1246] set_robust_list(0x55555bb49760, 24 [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] <... set_robust_list resumed>) = 0 [pid 1245] close(8 [pid 312] <... umount2 resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 182 [pid 1246] rt_sigprocmask(SIG_SETMASK, [] [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1244] close(24 [pid 312] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1246] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1245] close(9 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1246] chdir("./180" [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1244] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./184", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1246] <... chdir resumed>) = 0 [pid 1245] close(10 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./189/config" [pid 1246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1244] close(26 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1246] <... prctl resumed>) = 0 [pid 1245] close(11 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1246] setpgid(0, 0 [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1244] close(27 [pid 312] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1246] <... setpgid resumed>) = 0 [pid 1245] close(12 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1246] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1244] close(28 [pid 312] openat(AT_FDCWD, "./189/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... openat resumed>) = 3 [pid 1246] <... symlink resumed>) = 0 [pid 1245] close(13 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1244] close(29 [pid 312] <... openat resumed>) = 4 [pid 311] fstat(3 [pid 1246] <... symlink resumed>) = 0 [pid 1245] close(14 [pid 1244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1246] <... symlink resumed>) = 0 [pid 1245] close(15 [pid 1244] exit_group(0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] <... openat resumed>) = 3 [pid 1245] close(16 [pid 1244] <... exit_group resumed>) = ? [pid 312] getdents64(4 [pid 311] getdents64(3 [pid 1246] write(3, "1000", 4 [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] <... write resumed>) = 4 [pid 1245] close(17 [pid 1246] close(3 [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] <... close resumed>) = 0 [pid 1245] close(18 [pid 1246] symlink("/dev/binderfs", "./binderfs" [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] <... symlink resumed>) = 0 [pid 1245] close(19 [pid 1246] write(1, "executing program\n", 18 [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] <... write resumed>) = 18 [pid 1245] close(20 [pid 1246] mkdirat(AT_FDCWD, "./config", 0777 [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] <... mkdirat resumed>) = 0 [pid 1245] close(21 [pid 1246] mount(NULL, "./config", "configfs", 0, NULL [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] <... mount resumed>) = 0 [pid 1245] close(22 [pid 1246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1245] close(23 [pid 1244] +++ exited with 0 +++ executing program [pid 1246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1246] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1245] close(24 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] getdents64(4 [pid 311] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] <... mkdirat resumed>) = 0 [pid 1245] close(25 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 1246] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] <... symlinkat resumed>) = 0 [pid 1245] close(26 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] close(4 [pid 311] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1246] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1246] <... unlinkat resumed>) = 0 [pid 1245] close(27 [pid 312] rmdir("./189/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1246] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./192", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 1246] <... unlinkat resumed>) = 0 [pid 1245] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./189/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./184/config" [pid 1246] close(3 [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1245] close(29 [pid 313] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1246] close(4 [pid 1245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] newfstatat(AT_FDCWD, "./189/binderfs" [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1245] exit_group(0 [pid 313] fstat(3 [pid 311] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1246] close(5 [pid 1245] <... exit_group resumed>) = ? [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1245] +++ exited with 0 +++ [pid 313] getdents64(3 [pid 312] unlink("./189/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1246] close(6 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./184/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1246] close(7) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1246] close(8 [pid 312] umount2("./189/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1246] close(9) = -1 EBADF (Bad file descriptor) [pid 1246] close(10) = -1 EBADF (Bad file descriptor) [pid 1246] close(11) = -1 EBADF (Bad file descriptor) [pid 1246] close(12) = -1 EBADF (Bad file descriptor) [pid 1246] close(13 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(4 [pid 313] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./189/cgroup.net" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1246] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./192/config" [pid 311] getdents64(4 [pid 1246] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./189/cgroup.net" [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1246] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] close(17 [pid 311] getdents64(4 [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./192/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./189/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1246] close(18 [pid 313] <... openat resumed>) = 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1246] close(19) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] newfstatat(AT_FDCWD, "./189/cgroup.cpu" [pid 311] <... close resumed>) = 0 [pid 1246] close(20 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./184/config" [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] unlink("./189/cgroup.cpu" [pid 1246] close(21 [pid 311] <... rmdir resumed>) = 0 [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1246] close(22 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./184/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] umount2("./189/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1246] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1246] close(24 [pid 311] newfstatat(AT_FDCWD, "./184/binderfs" [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./189/cgroup" [pid 1246] close(25 [pid 313] rmdir("./192/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1246] close(26 [pid 313] <... rmdir resumed>) = 0 [pid 311] unlink("./184/binderfs" [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./192/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./189/cgroup" [pid 1246] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./192/binderfs" [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./184/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1246] close(28 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(3 [pid 1246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1246] close(29) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./192/binderfs" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./184/cgroup.net" [pid 1246] exit_group(0 [pid 313] <... unlink resumed>) = 0 [pid 1246] <... exit_group resumed>) = ? [pid 312] close(3 [pid 1246] +++ exited with 0 +++ [pid 313] umount2("./192/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./189" [pid 311] unlink("./184/cgroup.net" [pid 313] newfstatat(AT_FDCWD, "./192/cgroup.net" [pid 312] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] mkdir("./190", 0777 [pid 311] umount2("./184/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] unlink("./192/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... mkdir resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] newfstatat(AT_FDCWD, "./184/cgroup.cpu" [pid 313] umount2("./192/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] newfstatat(AT_FDCWD, "./192/cgroup.cpu" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] unlink("./184/cgroup.cpu" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1247 attached [pid 311] <... unlink resumed>) = 0 [pid 1247] set_robust_list(0x55555bb49760, 24 [pid 313] unlink("./192/cgroup.cpu" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 192 [pid 311] umount2("./184/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1247] <... set_robust_list resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1247] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 313] umount2("./192/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1247] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1247] chdir("./190") = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./184/cgroup" [pid 1247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] newfstatat(AT_FDCWD, "./192/cgroup" [pid 1247] <... prctl resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1247] setpgid(0, 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./184/cgroup" [pid 1247] <... setpgid resumed>) = 0 [pid 313] unlink("./192/cgroup" [pid 310] <... restart_syscall resumed>) = 0 [pid 1247] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] <... unlink resumed>) = 0 [pid 1247] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 1247] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1247] <... symlink resumed>) = 0 [pid 1247] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] close(3 [pid 310] umount2("./182", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] close(3 [pid 311] <... close resumed>) = 0 [pid 1247] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1247] write(3, "1000", 4 [pid 313] <... close resumed>) = 0 [pid 311] rmdir("./184" [pid 1247] <... write resumed>) = 4 [pid 310] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1247] close(3) = 0 [pid 313] rmdir("./192" [pid 1247] symlink("/dev/binderfs", "./binderfs" [pid 311] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1247] <... symlink resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 311] mkdir("./185", 0777 [pid 1247] write(1, "executing program\n", 18 [pid 313] mkdir("./193", 0777 [pid 310] fstat(3 [pid 1247] <... write resumed>) = 18 [pid 311] <... mkdir resumed>) = 0 executing program [pid 1247] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... mkdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1247] <... mkdirat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1247] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 1247] <... mount resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1247] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1247] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1247] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 ci2-android-5-15/strace-static-x86_64: Process 1248 attached [pid 1247] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1247] <... symlinkat resumed>) = 0 [pid 1247] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1247] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-5-15/strace-static-x86_64: Process 1249 attached [pid 1248] set_robust_list(0x55555bb49760, 24 [pid 1247] <... unlinkat resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 187 [pid 310] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1249] set_robust_list(0x55555bb49760, 24 [pid 1248] <... set_robust_list resumed>) = 0 [pid 1247] close(3 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 195 [pid 1249] <... set_robust_list resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1249] rt_sigprocmask(SIG_SETMASK, [] [pid 1248] rt_sigprocmask(SIG_SETMASK, [] [pid 1247] close(4 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 1249] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1248] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1249] chdir("./193" [pid 1247] close(5 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1248] chdir("./185" [pid 310] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1249] <... chdir resumed>) = 0 [pid 1248] <... chdir resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1247] close(6 [pid 1249] <... prctl resumed>) = 0 [pid 1248] <... prctl resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./182/config" [pid 1249] setpgid(0, 0 [pid 1248] setpgid(0, 0 [pid 1247] close(7 [pid 1249] <... setpgid resumed>) = 0 [pid 1248] <... setpgid resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1249] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1248] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1247] close(8 [pid 310] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1249] <... symlink resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1249] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1247] close(9 [pid 1249] <... symlink resumed>) = 0 [pid 1248] <... symlink resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 1249] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1248] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1247] close(10 [pid 310] openat(AT_FDCWD, "./182/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1249] <... symlink resumed>) = 0 [pid 1248] <... symlink resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1248] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1247] close(11 [pid 310] <... openat resumed>) = 4 [pid 1249] <... openat resumed>) = 3 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1249] write(3, "1000", 4 [pid 1247] close(12 [pid 310] fstat(4 [pid 309] umount2("./180", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1249] <... write resumed>) = 4 [pid 1248] <... symlink resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1249] close(3 [pid 1248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1247] close(13 [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1249] <... close resumed>) = 0 [pid 1248] <... openat resumed>) = 3 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 3 [pid 1249] symlink("/dev/binderfs", "./binderfs" [pid 1248] write(3, "1000", 4 [pid 1247] close(14 [pid 310] getdents64(4 [pid 309] fstat(3 [pid 1249] <... symlink resumed>) = 0 [pid 1248] <... write resumed>) = 4 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1249] write(1, "executing program\n", 18 [pid 1248] close(3 [pid 1247] close(15 executing program [pid 310] close(4 [pid 309] getdents64(3 [pid 1249] <... write resumed>) = 18 [pid 1248] <... close resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1249] mkdirat(AT_FDCWD, "./config", 0777 [pid 1248] symlink("/dev/binderfs", "./binderfs" [pid 1247] close(16 [pid 310] rmdir("./182/config" [pid 309] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1249] <... mkdirat resumed>) = 0 [pid 1248] <... symlink resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1249] mount(NULL, "./config", "configfs", 0, NULL [pid 1248] write(1, "executing program\n", 18 [pid 1247] close(17 [pid 310] umount2("./182/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 309] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1249] <... mount resumed>) = 0 [pid 1248] <... write resumed>) = 18 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1249] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1247] close(18 [pid 310] newfstatat(AT_FDCWD, "./182/binderfs" [pid 309] newfstatat(AT_FDCWD, "./180/config" [pid 1249] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1248] mkdirat(AT_FDCWD, "./config", 0777 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1249] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1248] <... mkdirat resumed>) = 0 [pid 1247] close(19 [pid 310] unlink("./182/binderfs" [pid 309] umount2("./180/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1249] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1248] mount(NULL, "./config", "configfs", 0, NULL [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1249] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1247] close(20 [pid 310] umount2("./182/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./180/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1249] <... mkdirat resumed>) = 0 [pid 1248] <... mount resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 1249] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1247] close(21 [pid 310] newfstatat(AT_FDCWD, "./182/cgroup.net" [pid 309] fstat(4 [pid 1249] <... symlinkat resumed>) = 0 [pid 1248] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1249] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1247] close(22 [pid 310] unlink("./182/cgroup.net" [pid 309] getdents64(4 [pid 1249] <... unlinkat resumed>) = 0 [pid 1248] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1249] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1247] close(23 [pid 310] umount2("./182/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1249] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1247] close(24 [pid 310] newfstatat(AT_FDCWD, "./182/cgroup.cpu" [pid 309] close(4 [pid 1249] close(3 [pid 1248] <... mkdirat resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1247] close(25 [pid 310] unlink("./182/cgroup.cpu" [pid 309] rmdir("./180/config" [pid 1249] close(4 [pid 1248] <... symlinkat resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1247] close(26 [pid 310] umount2("./182/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./180/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1249] close(5 [pid 1248] <... unlinkat resumed>) = 0 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1247] close(27 [pid 310] newfstatat(AT_FDCWD, "./182/cgroup" [pid 309] newfstatat(AT_FDCWD, "./180/binderfs" [pid 1249] close(6 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... unlinkat resumed>) = 0 [pid 1247] close(28 [pid 310] unlink("./182/cgroup" [pid 309] unlink("./180/binderfs" [pid 1249] close(7 [pid 1248] close(3 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1247] close(29 [pid 310] getdents64(3 [pid 309] umount2("./180/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1249] close(8 [pid 1248] close(4 [pid 1247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1247] exit_group(0 [pid 310] close(3 [pid 309] newfstatat(AT_FDCWD, "./180/cgroup.net" [pid 1249] close(9 [pid 1248] close(5 [pid 1247] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1247] +++ exited with 0 +++ [pid 310] rmdir("./182" [pid 309] unlink("./180/cgroup.net" [pid 1249] close(10 [pid 1248] close(6 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] mkdir("./183", 0777 [pid 309] umount2("./180/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1249] close(11 [pid 1248] close(7 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./180/cgroup.cpu" [pid 1249] close(12 [pid 1248] close(8 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./180/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1250 attached [pid 1249] close(13 [pid 1248] close(9 [pid 309] <... unlink resumed>) = 0 [pid 1250] set_robust_list(0x55555bb49760, 24 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 185 [pid 309] umount2("./180/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1250] <... set_robust_list resumed>) = 0 [pid 1249] close(14 [pid 1248] close(10 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./180/cgroup" [pid 1250] rt_sigprocmask(SIG_SETMASK, [] [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1250] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1249] close(15 [pid 1248] close(11 [pid 309] unlink("./180/cgroup" [pid 1250] chdir("./183" [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1250] <... chdir resumed>) = 0 [pid 1249] close(16 [pid 1248] close(12 [pid 309] getdents64(3 [pid 1250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1250] <... prctl resumed>) = 0 [pid 1249] close(17 [pid 1248] close(13 [pid 309] close(3 [pid 1250] setpgid(0, 0 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1250] <... setpgid resumed>) = 0 [pid 309] rmdir("./180" [pid 1250] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1249] close(18 [pid 1248] close(14 [pid 309] <... rmdir resumed>) = 0 [pid 1250] <... symlink resumed>) = 0 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./181", 0777 [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1249] close(19 [pid 1248] close(15 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1250] <... symlink resumed>) = 0 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1250] <... symlink resumed>) = 0 [pid 1249] close(20 [pid 1248] close(16ci2-android-5-15/strace-static-x86_64: Process 1251 attached [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 183 [pid 1251] set_robust_list(0x55555bb49760, 24 [pid 1250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1251] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1250] <... openat resumed>) = 3 [pid 1249] close(21 [pid 1248] close(17 [pid 1251] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... restart_syscall resumed>) = 0 [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1251] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1250] write(3, "1000", 4 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] close(18 [pid 1251] chdir("./181" [pid 1250] <... write resumed>) = 4 [pid 1249] close(22 [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1251] <... chdir resumed>) = 0 [pid 1250] close(3 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] close(19 [pid 1251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1250] <... close resumed>) = 0 [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./190", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1251] <... prctl resumed>) = 0 [pid 1250] symlink("/dev/binderfs", "./binderfs" [pid 1249] close(23 [pid 1248] close(20 [pid 1251] setpgid(0, 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1251] <... setpgid resumed>) = 0 [pid 1250] <... symlink resumed>) = 0 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1251] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1249] close(24 [pid 1248] close(21 [pid 312] <... openat resumed>) = 3 [pid 1251] <... symlink resumed>) = 0 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1251] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1250] write(1, "executing program\n", 18 [pid 1249] close(25 [pid 312] fstat(3 [pid 1251] <... symlink resumed>) = 0 [pid 1248] close(22 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1251] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1250] <... write resumed>) = 18 [pid 1249] close(26 [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1251] <... symlink resumed>) = 0 [pid 1250] mkdirat(AT_FDCWD, "./config", 0777 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] close(23 [pid 1249] close(27 [pid 312] getdents64(3 [pid 1250] <... mkdirat resumed>) = 0 [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1250] mount(NULL, "./config", "configfs", 0, NULL [pid 1249] close(28 [pid 1248] close(24 [pid 312] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1251] <... openat resumed>) = 3 [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1248] close(25 [pid 1250] <... mount resumed>) = 0 [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1251] write(3, "1000", 4 [pid 1250] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1249] close(29 [pid 1248] close(26 [pid 312] <... umount2 resumed>) = 0 [pid 1251] <... write resumed>) = 4 [pid 1250] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1251] close(3 [pid 1250] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1251] <... close resumed>) = 0 [pid 1250] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1249] exit_group(0 [pid 1248] close(27 [pid 1251] symlink("/dev/binderfs", "./binderfs" [pid 1250] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1249] <... exit_group resumed>) = ? [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1251] <... symlink resumed>) = 0 [pid 1248] close(28 [pid 312] newfstatat(AT_FDCWD, "./190/config" [pid 1249] +++ exited with 0 +++ [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1250] <... mkdirat resumed>) = 0 [pid 1248] close(29 [pid 1251] write(1, "executing program\n", 18 [pid 1250] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1251] <... write resumed>) = 18 [pid 1250] <... symlinkat resumed>) = 0 [pid 1248] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1251] mkdirat(AT_FDCWD, "./config", 0777 [pid 1248] <... exit_group resumed>) = ? [pid 1250] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] openat(AT_FDCWD, "./190/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1251] <... mkdirat resumed>) = 0 [pid 1248] +++ exited with 0 +++ [pid 312] <... openat resumed>) = 4 [pid 1250] <... unlinkat resumed>) = 0 [pid 312] fstat(4 [pid 1251] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... restart_syscall resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 executing program [pid 1250] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 312] getdents64(4 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 313] umount2("./193", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1251] <... mount resumed>) = 0 [pid 1250] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 313] fstat(3 [pid 312] getdents64(4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1251] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1251] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1250] close(4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./185", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1251] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(4 [pid 1251] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1250] close(5 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1251] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 311] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./193/config" [pid 1251] <... mkdirat resumed>) = 0 [pid 1250] close(6 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rmdir("./190/config" [pid 311] <... openat resumed>) = 3 [pid 1251] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 311] fstat(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./193/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1251] <... symlinkat resumed>) = 0 [pid 1250] close(7 [pid 313] <... openat resumed>) = 4 [pid 312] umount2("./190/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1251] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1251] <... unlinkat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./190/binderfs" [pid 311] getdents64(3 [pid 1251] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1250] close(8 [pid 313] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1251] <... unlinkat resumed>) = 0 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] unlink("./190/binderfs" [pid 311] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1251] close(3 [pid 1250] close(9 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] <... unlink resumed>) = 0 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] close(10 [pid 313] <... close resumed>) = 0 [pid 312] umount2("./190/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 1251] close(4 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./193/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] close(11 [pid 313] <... rmdir resumed>) = 0 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1251] close(5 [pid 313] umount2("./193/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./190/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] close(12 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1251] close(6 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./193/binderfs" [pid 312] unlink("./190/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./185/config" [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] close(13 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1251] close(7 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./193/binderfs" [pid 312] umount2("./190/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] close(14 [pid 313] <... unlink resumed>) = 0 [pid 1251] close(8 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./193/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./190/cgroup.cpu" [pid 1251] close(9 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./193/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] close(16 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./185/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1251] close(10 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./193/cgroup.net" [pid 312] unlink("./190/cgroup.cpu" [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] close(17 [pid 313] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 313] umount2("./193/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 1251] close(11 [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./190/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] close(18 [pid 313] newfstatat(AT_FDCWD, "./193/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./193/cgroup.cpu" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1251] close(12 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./190/cgroup" [pid 311] getdents64(4 [pid 1251] close(13 [pid 1250] close(19 [pid 313] umount2("./193/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1251] close(14 [pid 1250] close(20 [pid 313] newfstatat(AT_FDCWD, "./193/cgroup" [pid 312] unlink("./190/cgroup" [pid 311] getdents64(4 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1251] close(15 [pid 1250] close(21 [pid 313] unlink("./193/cgroup" [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(3 [pid 311] close(4 [pid 1251] close(16 [pid 1250] close(22 [pid 313] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... close resumed>) = 0 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] close(3 [pid 311] rmdir("./185/config" [pid 1251] close(17 [pid 1250] close(23 [pid 313] rmdir("./193" [pid 312] <... close resumed>) = 0 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1251] close(18 [pid 1250] close(24 [pid 313] mkdir("./194", 0777 [pid 312] rmdir("./190" [pid 311] umount2("./185/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1251] close(19 [pid 1250] close(25 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] mkdir("./191", 0777 [pid 311] newfstatat(AT_FDCWD, "./185/binderfs" [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1252 attached [pid 1251] close(20 [pid 1250] close(26 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 196 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] unlink("./185/binderfs" [pid 1252] set_robust_list(0x55555bb49760, 24 [pid 1251] close(21 [pid 1250] close(27 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1252] <... set_robust_list resumed>) = 0 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... unlink resumed>) = 0 [pid 1252] rt_sigprocmask(SIG_SETMASK, [] [pid 1251] close(22 [pid 1250] close(28ci2-android-5-15/strace-static-x86_64: Process 1253 attached [pid 1252] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./185/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1253] set_robust_list(0x55555bb49760, 24 [pid 1252] chdir("./194" [pid 1251] close(23 [pid 1250] close(29 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 193 [pid 1253] <... set_robust_list resumed>) = 0 [pid 1252] <... chdir resumed>) = 0 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1253] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1253] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1251] close(24 [pid 1253] chdir("./191" [pid 1252] <... prctl resumed>) = 0 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1250] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./185/cgroup.net" [pid 1253] <... chdir resumed>) = 0 [pid 1252] setpgid(0, 0 [pid 1251] close(25 [pid 1250] <... exit_group resumed>) = ? [pid 1253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1253] <... prctl resumed>) = 0 [pid 1252] <... setpgid resumed>) = 0 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1253] setpgid(0, 0) = 0 [pid 1253] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 1253] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 1250] +++ exited with 0 +++ [pid 1252] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 311] unlink("./185/cgroup.net" [pid 1251] close(26 [pid 1253] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1252] <... symlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1253] <... symlink resumed>) = 0 [pid 1252] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1252] <... symlink resumed>) = 0 [pid 1251] close(27 [pid 311] umount2("./185/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1253] write(3, "1000", 4 [pid 1252] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1253] <... write resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1252] <... symlink resumed>) = 0 [pid 1251] close(28 [pid 1253] close(3 [pid 311] newfstatat(AT_FDCWD, "./185/cgroup.cpu" [pid 1253] <... close resumed>) = 0 [pid 1252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1253] symlink("/dev/binderfs", "./binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1252] <... openat resumed>) = 3 [pid 1251] close(29 [pid 311] unlink("./185/cgroup.cpu" [pid 1253] <... symlink resumed>) = 0 [pid 1251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1251] exit_group(0 [pid 1253] write(1, "executing program\n", 18 [pid 1252] write(3, "1000", 4 [pid 311] umount2("./185/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1251] <... exit_group resumed>) = ? [pid 1253] <... write resumed>) = 18 [pid 1252] <... write resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1251] +++ exited with 0 +++ [pid 311] newfstatat(AT_FDCWD, "./185/cgroup" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1253] mkdirat(AT_FDCWD, "./config", 0777 [pid 1252] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1253] <... mkdirat resumed>) = 0 executing program [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1253] mount(NULL, "./config", "configfs", 0, NULL [pid 1252] <... close resumed>) = 0 [pid 311] unlink("./185/cgroup" [pid 1253] <... mount resumed>) = 0 [pid 309] umount2("./181", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1252] symlink("/dev/binderfs", "./binderfs" [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1253] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1252] <... symlink resumed>) = 0 [pid 1253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] getdents64(3 [pid 1252] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 3 executing program [pid 1253] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1252] <... write resumed>) = 18 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 1253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1252] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] close(3 [pid 309] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1253] <... mkdirat resumed>) = 0 [pid 1252] <... mkdirat resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1253] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1252] mount(NULL, "./config", "configfs", 0, NULL [pid 311] rmdir("./185" [pid 309] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1253] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1252] <... mount resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./181/config" [pid 311] <... rmdir resumed>) = 0 [pid 1253] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] mkdir("./186", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1253] <... unlinkat resumed>) = 0 [pid 1252] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./181/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1253] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./181/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4 [pid 1253] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1252] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 1253] close(3 [pid 1252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1252] <... mkdirat resumed>) = 0 [pid 1253] close(4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1252] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] close(4 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./181/config") = 0 [pid 309] umount2("./181/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./181/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1254 attached , {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1254] set_robust_list(0x55555bb49760, 24 [pid 1253] close(5 [pid 1252] <... symlinkat resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 188 [pid 309] unlink("./181/binderfs" [pid 1254] <... set_robust_list resumed>) = 0 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 1254] rt_sigprocmask(SIG_SETMASK, [] [pid 1253] close(6 [pid 1252] <... unlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./181/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1254] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1254] chdir("./186" [pid 309] newfstatat(AT_FDCWD, "./181/cgroup.net" [pid 1254] <... chdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] unlink("./181/cgroup.net" [pid 1254] <... prctl resumed>) = 0 [pid 1253] close(7 [pid 1252] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1254] setpgid(0, 0 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(3 [pid 309] umount2("./181/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1254] <... setpgid resumed>) = 0 [pid 1253] close(8 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1254] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(4 [pid 309] newfstatat(AT_FDCWD, "./181/cgroup.cpu" [pid 1254] <... symlink resumed>) = 0 [pid 1253] close(9 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1254] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(5 [pid 309] unlink("./181/cgroup.cpu" [pid 1254] <... symlink resumed>) = 0 [pid 1253] close(10 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1254] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(6 [pid 309] umount2("./181/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1254] <... symlink resumed>) = 0 [pid 1253] close(11 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(7 [pid 309] newfstatat(AT_FDCWD, "./181/cgroup" [pid 1254] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1254] write(3, "1000", 4 [pid 1253] close(12 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./181/cgroup" [pid 1254] <... write resumed>) = 4 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(8 [pid 309] <... unlink resumed>) = 0 [pid 1254] close(3 [pid 1253] close(13 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1254] <... close resumed>) = 0 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(9 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1254] symlink("/dev/binderfs", "./binderfs" [pid 1253] close(14 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1254] <... symlink resumed>) = 0 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(10 [pid 309] <... close resumed>) = 0 [pid 1254] write(1, "executing program\n", 18 [pid 1253] close(15 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 309] rmdir("./181" [pid 1254] <... write resumed>) = 18 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(11 [pid 309] <... rmdir resumed>) = 0 [pid 1254] mkdirat(AT_FDCWD, "./config", 0777 [pid 1253] close(16 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./182", 0777 [pid 1254] <... mkdirat resumed>) = 0 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(12 [pid 310] umount2("./183", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 1254] mount(NULL, "./config", "configfs", 0, NULL [pid 1253] close(17 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1254] <... mount resumed>) = 0 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(13 [pid 310] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1253] close(18 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1254] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(14 [pid 310] fstat(3ci2-android-5-15/strace-static-x86_64: Process 1255 attached [pid 1254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1253] close(19 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 184 [pid 1255] set_robust_list(0x55555bb49760, 24 [pid 1254] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(15 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1255] <... set_robust_list resumed>) = 0 [pid 1254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1253] close(20 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1255] rt_sigprocmask(SIG_SETMASK, [] [pid 1254] <... mkdirat resumed>) = 0 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(16 [pid 310] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1255] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1254] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1253] close(21 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 1255] chdir("./182" [pid 1254] <... symlinkat resumed>) = 0 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(17 [pid 310] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1255] <... chdir resumed>) = 0 [pid 1254] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1253] close(22 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1254] <... unlinkat resumed>) = 0 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(18 [pid 310] newfstatat(AT_FDCWD, "./183/config" [pid 1255] <... prctl resumed>) = 0 [pid 1254] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1253] close(23 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1255] setpgid(0, 0 [pid 1254] <... unlinkat resumed>) = 0 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(19 [pid 310] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1255] <... setpgid resumed>) = 0 [pid 1254] close(3 [pid 1253] close(24 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1255] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(20 [pid 310] openat(AT_FDCWD, "./183/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1255] <... symlink resumed>) = 0 [pid 1254] close(4 [pid 1253] close(25 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1255] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(21 [pid 310] fstat(4 [pid 1254] close(5 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1255] <... symlink resumed>) = 0 [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1253] close(26 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1255] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1254] close(6 [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(22 [pid 1255] <... symlink resumed>) = 0 [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1254] close(7 [pid 1253] close(27 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(23 [pid 310] getdents64(4 [pid 1255] <... openat resumed>) = 3 [pid 1254] close(8 [pid 1253] close(28 [pid 1255] write(3, "1000", 4 [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1255] <... write resumed>) = 4 [pid 1254] close(9 [pid 1253] close(29 [pid 1252] close(24 [pid 310] close(4 [pid 1255] close(3 [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1254] close(10 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1255] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 executing program [pid 1255] symlink("/dev/binderfs", "./binderfs" [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1253] exit_group(0 [pid 1252] close(25 [pid 310] rmdir("./183/config" [pid 1255] <... symlink resumed>) = 0 [pid 1254] close(11 [pid 1253] <... exit_group resumed>) = ? [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1254] close(12) = -1 EBADF (Bad file descriptor) [pid 1254] close(13) = -1 EBADF (Bad file descriptor) [pid 1254] close(14) = -1 EBADF (Bad file descriptor) [pid 1254] close(15) = -1 EBADF (Bad file descriptor) [pid 1254] close(16) = -1 EBADF (Bad file descriptor) [pid 1253] +++ exited with 0 +++ [pid 1255] write(1, "executing program\n", 18 [pid 1254] close(17 [pid 1252] close(26 [pid 310] umount2("./183/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1255] <... write resumed>) = 18 [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1255] mkdirat(AT_FDCWD, "./config", 0777 [pid 1254] close(18 [pid 1252] close(27 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1255] <... mkdirat resumed>) = 0 [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./183/binderfs" [pid 1255] mount(NULL, "./config", "configfs", 0, NULL [pid 1254] close(19 [pid 1252] close(28 [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1254] close(20) = -1 EBADF (Bad file descriptor) [pid 1254] close(21) = -1 EBADF (Bad file descriptor) [pid 1254] close(22) = -1 EBADF (Bad file descriptor) [pid 1254] close(23) = -1 EBADF (Bad file descriptor) [pid 1254] close(24) = -1 EBADF (Bad file descriptor) [pid 1254] close(25 [pid 1255] <... mount resumed>) = 0 [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./183/binderfs" [pid 1255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1254] close(26 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1252] close(29 [pid 310] <... unlink resumed>) = 0 [pid 1255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1254] close(27 [pid 1252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./183/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1254] close(28) = -1 EBADF (Bad file descriptor) [pid 1254] close(29) = -1 EBADF (Bad file descriptor) [pid 1252] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... restart_syscall resumed>) = 0 [pid 1255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1254] exit_group(0 [pid 1252] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./183/cgroup.net" [pid 1254] <... exit_group resumed>) = ? [pid 1255] <... mkdirat resumed>) = 0 [pid 1254] +++ exited with 0 +++ [pid 1252] +++ exited with 0 +++ [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] unlink("./183/cgroup.net" [pid 1255] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] umount2("./191", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... unlink resumed>) = 0 [pid 1255] <... symlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1255] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./183/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1255] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... openat resumed>) = 3 [pid 1255] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./183/cgroup.cpu" [pid 312] fstat(3 [pid 1255] <... unlinkat resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1255] close(3 [pid 312] getdents64(3 [pid 310] unlink("./183/cgroup.cpu" [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1255] close(4 [pid 312] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./183/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1255] close(5 [pid 312] <... umount2 resumed>) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1255] close(6 [pid 310] newfstatat(AT_FDCWD, "./183/cgroup" [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1255] close(7 [pid 312] newfstatat(AT_FDCWD, "./191/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./183/cgroup" [pid 1255] close(8 [pid 312] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./191/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 1255] close(9 [pid 312] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1255] close(10 [pid 312] fstat(4 [pid 310] close(3 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1255] close(11 [pid 312] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] rmdir("./183" [pid 1255] close(12 [pid 312] getdents64(4 [pid 310] <... rmdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./184", 0777 [pid 312] close(4 [pid 1255] close(13 [pid 310] <... mkdir resumed>) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1255] close(14 [pid 312] rmdir("./191/config" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1255] close(15 [pid 312] umount2("./191/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1256 attached [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1256] set_robust_list(0x55555bb49760, 24 [pid 1255] close(16 [pid 312] newfstatat(AT_FDCWD, "./191/binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 186 [pid 1256] <... set_robust_list resumed>) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1256] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1255] close(17 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1256] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./191/binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1256] chdir("./184" [pid 1255] close(18 [pid 1256] <... chdir resumed>) = 0 [pid 1256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1256] <... prctl resumed>) = 0 [pid 1255] close(19 [pid 1256] setpgid(0, 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./191/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1256] <... setpgid resumed>) = 0 [pid 1255] close(20 [pid 1256] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1256] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1255] close(21 [pid 312] newfstatat(AT_FDCWD, "./191/cgroup.net" [pid 1256] <... symlink resumed>) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1256] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1255] close(22 [pid 1256] <... symlink resumed>) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./191/cgroup.net" [pid 1256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1255] close(23 [pid 312] <... unlink resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1256] write(3, "1000", 4 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./191/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1256] <... write resumed>) = 4 [pid 1255] close(24 [pid 1256] close(3) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1256] symlink("/dev/binderfs", "./binderfs" [pid 312] newfstatat(AT_FDCWD, "./191/cgroup.cpu" [pid 1256] <... symlink resumed>) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./186", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1256] write(1, "executing program\n", 18 [pid 1255] close(25 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1256] <... write resumed>) = 18 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./191/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1256] mkdirat(AT_FDCWD, "./config", 0777 [pid 1255] close(26 [pid 1256] <... mkdirat resumed>) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./194", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1256] mount(NULL, "./config", "configfs", 0, NULL [pid 1255] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./191/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1256] <... mount resumed>) = 0 [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... openat resumed>) = 3 [pid 1256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1255] close(28 [pid 313] <... openat resumed>) = 3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(3 [pid 1256] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 312] newfstatat(AT_FDCWD, "./191/cgroup" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1255] close(29 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1256] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] unlink("./191/cgroup" [pid 311] getdents64(3 [pid 1256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1255] exit_group(0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1256] <... mkdirat resumed>) = 0 [pid 1255] <... exit_group resumed>) = ? [pid 313] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1256] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 313] <... umount2 resumed>) = 0 [pid 1256] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1256] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1256] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] newfstatat(AT_FDCWD, "./194/config" [pid 312] getdents64(3 [pid 311] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1256] <... unlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1256] close(3 [pid 1255] +++ exited with 0 +++ [pid 313] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1256] close(4 [pid 313] openat(AT_FDCWD, "./194/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] close(3 [pid 311] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] <... close resumed>) = 0 [pid 1256] close(5 [pid 313] fstat(4 [pid 312] rmdir("./191" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1256] close(6 [pid 313] getdents64(4 [pid 312] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./186/config" [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] mkdir("./192", 0777 [pid 1256] close(7 [pid 313] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 1256] close(8 [pid 313] close(4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1256] close(9 [pid 313] rmdir("./194/config" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1256] close(10 [pid 313] umount2("./194/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1257 attached [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./186/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1257] set_robust_list(0x55555bb49760, 24 [pid 1256] close(11 [pid 313] newfstatat(AT_FDCWD, "./194/binderfs" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 194 [pid 311] <... openat resumed>) = 4 [pid 309] umount2("./182", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1257] <... set_robust_list resumed>) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1257] rt_sigprocmask(SIG_SETMASK, [] [pid 1256] close(12 [pid 313] unlink("./194/binderfs" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1257] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1257] chdir("./192" [pid 1256] close(13 [pid 313] umount2("./194/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 1257] <... chdir resumed>) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1256] close(14 [pid 313] newfstatat(AT_FDCWD, "./194/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(3 [pid 1257] <... prctl resumed>) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1257] setpgid(0, 0 [pid 1256] close(15 [pid 313] unlink("./194/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1257] <... setpgid resumed>) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] close(4 [pid 309] <... umount2 resumed>) = 0 [pid 1257] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1256] close(16 [pid 313] umount2("./194/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1257] <... symlink resumed>) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1257] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1256] close(17 [pid 313] newfstatat(AT_FDCWD, "./194/cgroup.cpu" [pid 311] rmdir("./186/config" [pid 309] newfstatat(AT_FDCWD, "./182/config" [pid 1257] <... symlink resumed>) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1257] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1256] close(18 [pid 313] unlink("./194/cgroup.cpu" [pid 309] umount2("./182/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1257] <... symlink resumed>) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./186/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1256] close(19 [pid 313] umount2("./194/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./182/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1257] <... openat resumed>) = 3 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./186/binderfs" [pid 309] <... openat resumed>) = 4 [pid 1257] write(3, "1000", 4 [pid 1256] close(20 [pid 313] newfstatat(AT_FDCWD, "./194/cgroup" [pid 309] fstat(4 [pid 1257] <... write resumed>) = 4 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1257] close(3 [pid 1256] close(21 [pid 313] unlink("./194/cgroup" [pid 311] unlink("./186/binderfs" [pid 309] getdents64(4 [pid 1257] <... close resumed>) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1257] symlink("/dev/binderfs", "./binderfs" [pid 1256] close(22 [pid 313] getdents64(3 [pid 311] umount2("./186/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1257] <... symlink resumed>) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1257] write(1, "executing program\n", 18 [pid 1256] close(23 [pid 313] close(3 executing program [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 1257] <... write resumed>) = 18 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./186/cgroup.net" [pid 309] <... close resumed>) = 0 [pid 1257] mkdirat(AT_FDCWD, "./config", 0777 [pid 1256] close(24 [pid 313] rmdir("./194" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./182/config" [pid 1257] <... mkdirat resumed>) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] unlink("./186/cgroup.net" [pid 309] <... rmdir resumed>) = 0 [pid 1257] mount(NULL, "./config", "configfs", 0, NULL [pid 1256] close(25 [pid 313] mkdir("./195", 0777 [pid 309] umount2("./182/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 1257] <... mount resumed>) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1256] close(26 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./186/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./182/binderfs" [pid 1257] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1256] close(27 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] newfstatat(AT_FDCWD, "./186/cgroup.cpu" [pid 309] unlink("./182/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1258 attached [pid 1257] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1258] set_robust_list(0x55555bb49760, 24 [pid 1257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1256] close(28 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 197 [pid 311] unlink("./186/cgroup.cpu" [pid 309] umount2("./182/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1258] <... set_robust_list resumed>) = 0 [pid 1257] <... mkdirat resumed>) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1257] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1256] close(29 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./182/cgroup.net" [pid 1258] rt_sigprocmask(SIG_SETMASK, [] [pid 1257] <... symlinkat resumed>) = 0 [pid 1256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./186/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1258] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1257] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1256] exit_group(0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./182/cgroup.net" [pid 1258] chdir("./195" [pid 1257] <... unlinkat resumed>) = 0 [pid 1256] <... exit_group resumed>) = ? [pid 311] newfstatat(AT_FDCWD, "./186/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1258] <... chdir resumed>) = 0 [pid 1257] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1256] +++ exited with 0 +++ [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./182/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1257] <... unlinkat resumed>) = 0 [pid 311] unlink("./186/cgroup" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1258] <... prctl resumed>) = 0 [pid 1257] close(3 [pid 311] <... unlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./182/cgroup.cpu" [pid 1258] setpgid(0, 0 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1258] <... setpgid resumed>) = 0 [pid 1257] close(4 [pid 309] unlink("./182/cgroup.cpu" [pid 1258] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1258] <... symlink resumed>) = 0 [pid 1257] close(5 [pid 309] umount2("./182/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 1258] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1257] close(6 [pid 311] <... close resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./182/cgroup" [pid 1258] <... symlink resumed>) = 0 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./186" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1258] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1257] close(7 [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./182/cgroup" [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1257] close(8 [pid 311] mkdir("./187", 0777 [pid 309] getdents64(3 [pid 310] umount2("./184", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1258] <... openat resumed>) = 3 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1258] write(3, "1000", 4 [pid 1257] close(9 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 1258] <... write resumed>) = 4 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 1258] close(3 [pid 1257] close(10 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] rmdir("./182" [pid 1258] <... close resumed>) = 0 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(3 [pid 309] <... rmdir resumed>) = 0 [pid 1258] symlink("/dev/binderfs", "./binderfs" [pid 1257] close(11 [pid 309] mkdir("./183", 0777 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1257] close(12 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 1259 attached [pid 1258] <... symlink resumed>) = 0 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1259] set_robust_list(0x55555bb49760, 24 [pid 1258] write(1, "executing program\n", 18 [pid 1257] close(13 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 189 [pid 310] getdents64(3 executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1259] <... set_robust_list resumed>) = 0 [pid 1258] <... write resumed>) = 18 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 ci2-android-5-15/strace-static-x86_64: Process 1260 attached [pid 1259] rt_sigprocmask(SIG_SETMASK, [] [pid 1258] mkdirat(AT_FDCWD, "./config", 0777 [pid 1257] close(14 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 185 [pid 1260] set_robust_list(0x55555bb49760, 24 [pid 1259] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1258] <... mkdirat resumed>) = 0 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1260] <... set_robust_list resumed>) = 0 [pid 1259] chdir("./187" [pid 1258] mount(NULL, "./config", "configfs", 0, NULL [pid 1257] close(15 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1260] rt_sigprocmask(SIG_SETMASK, [] [pid 1259] <... chdir resumed>) = 0 [pid 1258] <... mount resumed>) = 0 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1260] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1257] close(16 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1260] chdir("./183" [pid 1259] <... prctl resumed>) = 0 [pid 1258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./184/config" [pid 1260] <... chdir resumed>) = 0 [pid 1259] setpgid(0, 0 [pid 1258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1257] close(17 [pid 1260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1259] <... setpgid resumed>) = 0 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1260] <... prctl resumed>) = 0 [pid 1259] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1257] close(18 [pid 310] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1260] setpgid(0, 0 [pid 1259] <... symlink resumed>) = 0 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1258] <... mkdirat resumed>) = 0 [pid 1257] close(19 [pid 1260] <... setpgid resumed>) = 0 [pid 1259] <... symlink resumed>) = 0 [pid 1258] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1260] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1259] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1257] close(20 [pid 1260] <... symlink resumed>) = 0 [pid 1259] <... symlink resumed>) = 0 [pid 1258] <... symlinkat resumed>) = 0 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./184/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1260] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1258] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1257] close(21 [pid 1260] <... symlink resumed>) = 0 [pid 1259] <... openat resumed>) = 3 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1260] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1259] write(3, "1000", 4 [pid 1258] <... unlinkat resumed>) = 0 [pid 1257] close(22 [pid 310] fstat(4 [pid 1260] <... symlink resumed>) = 0 [pid 1259] <... write resumed>) = 4 [pid 1258] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1259] close(3 [pid 1257] close(23 [pid 1259] <... close resumed>) = 0 [pid 1258] <... unlinkat resumed>) = 0 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1260] <... openat resumed>) = 3 [pid 1259] symlink("/dev/binderfs", "./binderfs" [pid 1258] close(3 [pid 1257] close(24 [pid 1260] write(3, "1000", 4 [pid 1259] <... symlink resumed>) = 0 [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1260] <... write resumed>) = 4 [pid 1259] write(1, "executing program\n", 18 executing program [pid 1258] close(4 [pid 1257] close(25 [pid 310] getdents64(4 [pid 1260] close(3 [pid 1259] <... write resumed>) = 18 [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1260] <... close resumed>) = 0 [pid 1259] mkdirat(AT_FDCWD, "./config", 0777 [pid 1258] close(5 [pid 1257] close(26 [pid 310] close(4 [pid 1260] symlink("/dev/binderfs", "./binderfs" [pid 1259] <... mkdirat resumed>) = 0 [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] mount(NULL, "./config", "configfs", 0, NULL [pid 1257] close(27 [pid 310] <... close resumed>) = 0 [pid 1260] <... symlink resumed>) = 0 [pid 1259] <... mount resumed>) = 0 [pid 1258] close(6 [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./184/config" [pid 1260] write(1, "executing program\n", 18 [pid 1259] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1257] close(28 [pid 1260] <... write resumed>) = 18 [pid 1259] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1260] mkdirat(AT_FDCWD, "./config", 0777 [pid 1259] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1258] close(7 [pid 1257] close(29 [pid 1260] <... mkdirat resumed>) = 0 [pid 1259] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./184/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1260] mount(NULL, "./config", "configfs", 0, NULL [pid 1259] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1258] close(8 [pid 1257] exit_group(0 [pid 1260] <... mount resumed>) = 0 [pid 1259] <... mkdirat resumed>) = 0 [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1257] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 1259] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1258] close(9 [pid 1257] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./184/binderfs" [pid 1260] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1259] <... symlinkat resumed>) = 0 [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1259] <... unlinkat resumed>) = 0 [pid 1258] close(10 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1260] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1259] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] unlink("./184/binderfs" [pid 1260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1259] <... unlinkat resumed>) = 0 [pid 1258] close(11 [pid 312] umount2("./192", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1259] close(3 [pid 310] <... unlink resumed>) = 0 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] close(4 [pid 1260] <... mkdirat resumed>) = 0 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1260] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1259] close(5 [pid 1258] close(12 [pid 312] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./184/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1260] <... symlinkat resumed>) = 0 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1260] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1259] close(6 [pid 1258] close(13 [pid 312] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1260] <... unlinkat resumed>) = 0 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1260] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1259] close(7 [pid 1258] close(14 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./184/cgroup.net" [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] close(8) = -1 EBADF (Bad file descriptor) [pid 1259] close(9 [pid 1260] <... unlinkat resumed>) = 0 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1260] close(3 [pid 1259] close(10 [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] close(15 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1260] close(4 [pid 1259] close(11 [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./184/cgroup.net" [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] close(12 [pid 1258] close(16 [pid 310] <... unlink resumed>) = 0 [pid 1260] close(5 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 310] umount2("./184/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] close(13 [pid 1258] close(17 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1260] close(6 [pid 1259] close(14 [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./184/cgroup.cpu" [pid 1260] close(7 [pid 1259] close(15 [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./192/config" [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] close(19 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1259] close(16 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1260] close(8 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./184/cgroup.cpu" [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] close(17 [pid 1258] close(20 [pid 312] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1260] close(9 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] close(18 [pid 1258] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./184/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1260] close(10 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./192/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] close(19 [pid 1258] close(22 [pid 1260] close(11 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./184/cgroup" [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] close(20 [pid 1258] close(23 [pid 312] fstat(4 [pid 1260] close(12 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] close(21 [pid 1258] close(24 [pid 310] unlink("./184/cgroup" [pid 312] getdents64(4 [pid 1260] close(13 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] close(22 [pid 1258] close(25 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... unlink resumed>) = 0 [pid 1260] close(14 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] getdents64(3 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] close(23 [pid 1258] close(26 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1260] close(15 [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] close(24 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 310] close(3 [pid 1260] close(16 [pid 1259] close(25 [pid 1258] close(27 [pid 312] <... close resumed>) = 0 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./192/config" [pid 310] <... close resumed>) = 0 [pid 1260] close(17 [pid 1259] close(26 [pid 1258] close(28 [pid 312] <... rmdir resumed>) = 0 [pid 310] rmdir("./184" [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./192/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1259] close(27) = -1 EBADF (Bad file descriptor) [pid 1260] close(18 [pid 1259] close(28 [pid 1258] close(29 [pid 310] <... rmdir resumed>) = 0 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./185", 0777 [pid 1260] close(19 [pid 1259] close(29) = -1 EBADF (Bad file descriptor) [pid 1258] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./192/binderfs" [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] exit_group(0 [pid 1258] <... exit_group resumed>) = ? [pid 310] <... mkdir resumed>) = 0 [pid 1260] close(20 [pid 1259] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1259] +++ exited with 0 +++ [pid 1258] +++ exited with 0 +++ [pid 312] unlink("./192/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1260] close(21) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... unlink resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1260] close(22 [pid 313] umount2("./195", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./192/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1260] close(23 [pid 313] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./192/cgroup.net" [pid 313] <... openat resumed>) = 3 [pid 313] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 ci2-android-5-15/strace-static-x86_64: Process 1261 attached [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1261] set_robust_list(0x55555bb49760, 24 [pid 1260] close(24 [pid 313] <... umount2 resumed>) = 0 [pid 312] unlink("./192/cgroup.net" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 187 [pid 1261] <... set_robust_list resumed>) = 0 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1261] rt_sigprocmask(SIG_SETMASK, [] [pid 1260] close(25 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1261] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./195/config" [pid 312] umount2("./192/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1261] chdir("./185" [pid 1260] close(26 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1261] <... chdir resumed>) = 0 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1260] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./192/cgroup.cpu" [pid 1261] <... prctl resumed>) = 0 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./195/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1261] setpgid(0, 0 [pid 1260] close(28 [pid 313] <... openat resumed>) = 4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1261] <... setpgid resumed>) = 0 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] unlink("./192/cgroup.cpu" [pid 1261] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1260] close(29 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1261] <... symlink resumed>) = 0 [pid 1260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... unlink resumed>) = 0 [pid 1261] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1261] <... symlink resumed>) = 0 [pid 1260] exit_group(0 [pid 313] getdents64(4 [pid 312] umount2("./192/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1261] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1260] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1261] <... symlink resumed>) = 0 [pid 313] close(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... close resumed>) = 0 [pid 1261] <... openat resumed>) = 3 [pid 313] rmdir("./195/config" [pid 1261] write(3, "1000", 4 [pid 1260] +++ exited with 0 +++ [pid 313] <... rmdir resumed>) = 0 [pid 1261] <... write resumed>) = 4 [pid 313] umount2("./195/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./192/cgroup" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1261] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1261] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./195/binderfs" [pid 312] unlink("./192/cgroup" [pid 1261] symlink("/dev/binderfs", "./binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1261] <... symlink resumed>) = 0 [pid 313] unlink("./195/binderfs" [pid 312] <... unlink resumed>) = 0 [pid 1261] write(1, "executing program\n", 18 [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(3 [pid 1261] <... write resumed>) = 18 executing program [pid 313] umount2("./195/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1261] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1261] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./195/cgroup.net" [pid 1261] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1261] <... mount resumed>) = 0 [pid 313] unlink("./195/cgroup.net" [pid 312] close(3 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1261] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... unlink resumed>) = 0 [pid 1261] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./195/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 1261] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./192" [pid 309] umount2("./183", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1261] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./195/cgroup.cpu" [pid 312] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1261] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] mkdir("./193", 0777 [pid 311] umount2("./187", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1261] <... mkdirat resumed>) = 0 [pid 313] unlink("./195/cgroup.cpu" [pid 309] <... openat resumed>) = 3 [pid 1261] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... unlink resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1261] <... symlinkat resumed>) = 0 [pid 313] umount2("./195/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1261] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 1261] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./195/cgroup" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1261] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 3 [pid 309] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] unlink("./195/cgroup" [pid 309] <... umount2 resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1262 attached [pid 313] <... unlink resumed>) = 0 [pid 311] fstat(3 [pid 309] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1261] <... unlinkat resumed>) = 0 [pid 1262] set_robust_list(0x55555bb49760, 24 [pid 313] getdents64(3 [pid 1261] close(3 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 195 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1262] <... set_robust_list resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./183/config" [pid 1262] rt_sigprocmask(SIG_SETMASK, [] [pid 1261] close(4 [pid 313] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1262] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./183/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1262] chdir("./193" [pid 1261] close(5 [pid 313] rmdir("./195" [pid 311] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1262] <... chdir resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./183/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1261] close(6 [pid 313] mkdir("./196", 0777 [pid 311] <... umount2 resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1262] <... prctl resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 309] fstat(4 [pid 1262] setpgid(0, 0 [pid 1261] close(7 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1262] <... setpgid resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1262] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1261] close(8 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] newfstatat(AT_FDCWD, "./187/config" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 ci2-android-5-15/strace-static-x86_64: Process 1263 attached [pid 1262] <... symlink resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1263] set_robust_list(0x55555bb49760, 24 [pid 1262] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1261] close(9 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 198 [pid 311] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1263] <... set_robust_list resumed>) = 0 [pid 1262] <... symlink resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 1263] rt_sigprocmask(SIG_SETMASK, [] [pid 1262] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1261] close(10 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] openat(AT_FDCWD, "./187/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 1263] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1262] <... symlink resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./183/config" [pid 1263] chdir("./196" [pid 1262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1261] close(11 [pid 311] <... openat resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 1263] <... chdir resumed>) = 0 [pid 1262] <... openat resumed>) = 3 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 309] umount2("./183/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1262] write(3, "1000", 4 [pid 1261] close(12 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1263] <... prctl resumed>) = 0 [pid 1262] <... write resumed>) = 4 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./183/binderfs" [pid 1263] setpgid(0, 0 [pid 1262] close(3 [pid 1261] close(13 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1263] <... setpgid resumed>) = 0 [pid 1262] <... close resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./183/binderfs" [pid 1263] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1262] symlink("/dev/binderfs", "./binderfs" [pid 1261] close(14 [pid 311] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 1263] <... symlink resumed>) = 0 [pid 1262] <... symlink resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./183/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1263] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1262] write(1, "executing program\n", 18 [pid 1261] close(15 [pid 311] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1263] <... symlink resumed>) = 0 [pid 1262] <... write resumed>) = 18 executing program [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./183/cgroup.net" [pid 1263] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1262] mkdirat(AT_FDCWD, "./config", 0777 [pid 1261] close(16 [pid 311] rmdir("./187/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1263] <... symlink resumed>) = 0 [pid 1262] <... mkdirat resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./183/cgroup.net" [pid 1263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1262] mount(NULL, "./config", "configfs", 0, NULL [pid 1261] close(17 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1263] <... openat resumed>) = 3 [pid 1262] <... mount resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./187/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./183/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1263] write(3, "1000", 4 [pid 1262] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1261] close(18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1263] <... write resumed>) = 4 [pid 1262] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./187/binderfs" [pid 309] newfstatat(AT_FDCWD, "./183/cgroup.cpu" [pid 1263] close(3 [pid 1262] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1261] close(19 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1263] <... close resumed>) = 0 [pid 1262] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./187/binderfs" [pid 309] unlink("./183/cgroup.cpu" [pid 1263] symlink("/dev/binderfs", "./binderfs" [pid 1262] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1261] close(20 [pid 309] <... unlink resumed>) = 0 [pid 1263] <... symlink resumed>) = 0 [pid 1262] <... mkdirat resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./183/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1263] write(1, "executing program\n", 18 [pid 1262] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1261] close(21 [pid 311] umount2("./187/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1263] <... write resumed>) = 18 [pid 1262] <... symlinkat resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./183/cgroup" [pid 1263] mkdirat(AT_FDCWD, "./config", 0777 [pid 1262] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1261] close(22 [pid 311] newfstatat(AT_FDCWD, "./187/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1263] <... mkdirat resumed>) = 0 [pid 1262] <... unlinkat resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./183/cgroup" [pid 1263] mount(NULL, "./config", "configfs", 0, NULL [pid 1262] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1261] close(23 [pid 311] unlink("./187/cgroup.net" [pid 309] <... unlink resumed>) = 0 [pid 1263] <... mount resumed>) = 0 [pid 1262] <... unlinkat resumed>) = 0 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 1263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1262] close(3 [pid 1261] close(24 [pid 311] umount2("./187/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1263] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1262] close(4 [pid 1261] close(25 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1263] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./187/cgroup.cpu" [pid 309] rmdir("./183" [pid 1263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1262] close(5 [pid 1261] close(26 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./184", 0777 [pid 1263] <... mkdirat resumed>) = 0 [pid 1262] close(6 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./187/cgroup.cpu" [pid 309] <... mkdir resumed>) = 0 [pid 1263] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1261] close(27 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1262] close(7 [pid 311] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1263] <... symlinkat resumed>) = 0 [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./187/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1263] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1262] close(8 [pid 1261] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1264 attached [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 186 [pid 1264] set_robust_list(0x55555bb49760, 24 [pid 1263] <... unlinkat resumed>) = 0 [pid 1262] close(9 [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./187/cgroup" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1264] <... set_robust_list resumed>) = 0 [pid 1263] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1261] close(29 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1264] rt_sigprocmask(SIG_SETMASK, [] [pid 1262] close(10 [pid 1263] <... unlinkat resumed>) = 0 [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] unlink("./187/cgroup" [pid 1263] close(3 [pid 1262] close(11 [pid 1261] exit_group(0 [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1264] chdir("./184" [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1262] close(12 [pid 1261] <... exit_group resumed>) = ? [pid 311] getdents64(3 [pid 1264] <... chdir resumed>) = 0 [pid 1263] close(4 [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1262] close(13) = -1 EBADF (Bad file descriptor) [pid 1262] close(14) = -1 EBADF (Bad file descriptor) [pid 1262] close(15) = -1 EBADF (Bad file descriptor) [pid 1262] close(16) = -1 EBADF (Bad file descriptor) [pid 1262] close(17) = -1 EBADF (Bad file descriptor) [pid 1262] close(18) = -1 EBADF (Bad file descriptor) [pid 1262] close(19) = -1 EBADF (Bad file descriptor) [pid 1261] +++ exited with 0 +++ [pid 1262] close(20 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1263] close(5 [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1264] <... prctl resumed>) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1262] close(21 [pid 311] <... close resumed>) = 0 [pid 1264] setpgid(0, 0 [pid 1263] close(6 [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./187" [pid 1262] close(22) = -1 EBADF (Bad file descriptor) [pid 1264] <... setpgid resumed>) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1262] close(23 [pid 1264] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1263] close(7 [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./185", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1264] <... symlink resumed>) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1262] close(24 [pid 311] mkdir("./188", 0777 [pid 1264] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1263] close(8 [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1262] close(25 [pid 311] <... mkdir resumed>) = 0 [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] <... symlink resumed>) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1262] close(26 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1264] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1263] close(9 [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1264] <... symlink resumed>) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1262] close(27 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... openat resumed>) = 3 [pid 1264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1263] close(10 [pid 1262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1262] close(28) = -1 EBADF (Bad file descriptor) [pid 1262] close(29) = -1 EBADF (Bad file descriptor) [pid 1262] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1265 attached [pid 1264] <... openat resumed>) = 3 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1262] +++ exited with 0 +++ [pid 310] fstat(3 [pid 1265] set_robust_list(0x55555bb49760, 24 [pid 1264] write(3, "1000", 4 [pid 1263] close(11 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 190 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1265] <... set_robust_list resumed>) = 0 [pid 1264] <... write resumed>) = 4 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1265] rt_sigprocmask(SIG_SETMASK, [] [pid 1264] close(3 [pid 1263] close(12 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 1265] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1264] <... close resumed>) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1265] chdir("./188" [pid 1264] symlink("/dev/binderfs", "./binderfs" [pid 1263] close(13 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1265] <... chdir resumed>) = 0 [pid 1265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1264] <... symlink resumed>) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1265] <... prctl resumed>) = 0 [pid 1264] write(1, "executing program\n", 18 [pid 1263] close(14 executing program [pid 1265] setpgid(0, 0 [pid 1264] <... write resumed>) = 18 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 1265] <... setpgid resumed>) = 0 [pid 1265] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1264] mkdirat(AT_FDCWD, "./config", 0777 [pid 1263] close(15 [pid 310] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1265] <... symlink resumed>) = 0 [pid 1264] <... mkdirat resumed>) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1265] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1264] mount(NULL, "./config", "configfs", 0, NULL [pid 1263] close(16 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1265] <... symlink resumed>) = 0 [pid 1265] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 1265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1264] <... mount resumed>) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./185/config" [pid 1265] <... openat resumed>) = 3 [pid 1264] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1263] close(17 [pid 1265] write(3, "1000", 4) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1265] close(3 [pid 1264] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1265] <... close resumed>) = 0 [pid 1264] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1263] close(18 [pid 310] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1265] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1264] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1265] write(1, "executing program\n", 18 [pid 1264] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1263] close(19 [pid 310] openat(AT_FDCWD, "./185/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1265] <... write resumed>) = 18 [pid 1265] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1264] <... mkdirat resumed>) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1265] mount(NULL, "./config", "configfs", 0, NULL [pid 1264] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1263] close(20 [pid 310] <... openat resumed>) = 4 [pid 1265] <... mount resumed>) = 0 [pid 1265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1264] <... symlinkat resumed>) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(4 [pid 1265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1264] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1263] close(21 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1265] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1264] <... unlinkat resumed>) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 1265] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1264] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1263] close(22 [pid 1265] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1265] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1264] <... unlinkat resumed>) = 0 [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1265] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1264] close(3 [pid 1263] close(23 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1265] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 1265] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1264] close(4 [pid 1263] close(24 [pid 1265] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1265] close(3) = -1 EBADF (Bad file descriptor) [pid 1265] close(4 [pid 1264] close(5 [pid 1263] close(25 [pid 310] rmdir("./185/config" [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1265] close(5 [pid 1264] close(6 [pid 1263] close(26 [pid 310] <... rmdir resumed>) = 0 [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1265] close(6 [pid 1264] close(7 [pid 1263] close(27 [pid 310] umount2("./185/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./193", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1265] close(7 [pid 1264] close(8 [pid 1263] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./185/binderfs" [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1265] close(8 [pid 1264] close(9 [pid 1263] close(29 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 310] unlink("./185/binderfs" [pid 1265] close(9 [pid 1264] close(10 [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1263] exit_group(0 [pid 312] fstat(3 [pid 310] <... unlink resumed>) = 0 [pid 1265] close(10 [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1263] <... exit_group resumed>) = ? [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./185/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1265] close(11 [pid 1264] close(11 [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1265] close(12) = -1 EBADF (Bad file descriptor) [pid 1265] close(13) = -1 EBADF (Bad file descriptor) [pid 1265] close(14) = -1 EBADF (Bad file descriptor) [pid 1265] close(15) = -1 EBADF (Bad file descriptor) [pid 1263] +++ exited with 0 +++ [pid 1265] close(16 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] close(12 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] newfstatat(AT_FDCWD, "./185/cgroup.net" [pid 1265] close(17) = -1 EBADF (Bad file descriptor) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1265] close(18 [pid 1264] close(13 [pid 312] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./185/cgroup.net" [pid 1265] close(19 [pid 1264] close(14 [pid 312] <... umount2 resumed>) = 0 [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1265] close(20 [pid 1264] close(15 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./185/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./193/config" [pid 1265] close(21 [pid 1264] close(16 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./185/cgroup.cpu" [pid 1265] close(22 [pid 1264] close(17 [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1265] close(23 [pid 1264] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./185/cgroup.cpu" [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./193/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1265] close(24 [pid 310] <... unlink resumed>) = 0 [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1265] close(25 [pid 1264] close(19 [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 310] umount2("./185/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1265] close(26 [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] close(20 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1265] close(27 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1265] close(28 [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./185/cgroup" [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] close(21 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1265] close(29 [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1264] close(22 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] unlink("./185/cgroup" [pid 1265] exit_group(0 [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1265] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 1265] +++ exited with 0 +++ [pid 1264] close(23 [pid 312] <... close resumed>) = 0 [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./193/config" [pid 310] getdents64(3 [pid 1264] close(24 [pid 312] <... rmdir resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1264] close(25 [pid 312] umount2("./193/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] close(3 [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1264] close(26 [pid 312] newfstatat(AT_FDCWD, "./193/binderfs" [pid 310] <... close resumed>) = 0 [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1264] close(27 [pid 310] rmdir("./185" [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./193/binderfs" [pid 1264] close(28 [pid 310] <... rmdir resumed>) = 0 [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1264] close(29 [pid 310] mkdir("./186", 0777 [pid 312] umount2("./193/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1264] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./193/cgroup.net" [pid 1264] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1264] +++ exited with 0 +++ [pid 312] unlink("./193/cgroup.net" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] umount2("./193/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1266 attached ) = -1 EINVAL (Invalid argument) [pid 1266] set_robust_list(0x55555bb49760, 24 [pid 312] newfstatat(AT_FDCWD, "./193/cgroup.cpu" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 188 [pid 1266] <... set_robust_list resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1266] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 312] unlink("./193/cgroup.cpu" [pid 1266] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1266] chdir("./186" [pid 312] <... unlink resumed>) = 0 [pid 1266] <... chdir resumed>) = 0 [pid 312] umount2("./193/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1266] setpgid(0, 0) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1266] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 312] newfstatat(AT_FDCWD, "./193/cgroup" [pid 1266] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1266] <... symlink resumed>) = 0 [pid 312] unlink("./193/cgroup" [pid 1266] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 1266] <... symlink resumed>) = 0 [pid 312] getdents64(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 1266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1266] <... openat resumed>) = 3 [pid 309] umount2("./184", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1266] write(3, "1000", 4 [pid 312] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1266] <... write resumed>) = 4 [pid 312] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1266] close(3 [pid 312] rmdir("./193" [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1266] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 1266] symlink("/dev/binderfs", "./binderfs" [pid 312] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1266] <... symlink resumed>) = 0 [pid 309] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1266] write(1, "executing program\n", 18 [pid 313] <... restart_syscall resumed>) = 0 executing program [pid 312] mkdir("./194", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 1266] <... write resumed>) = 18 [pid 309] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1266] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1266] <... mkdirat resumed>) = 0 [pid 313] umount2("./196", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./184/config" [pid 1266] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./184/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1266] <... mount resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] fstat(3 [pid 309] openat(AT_FDCWD, "./184/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 313] getdents64(3 [pid 309] fstat(4ci2-android-5-15/strace-static-x86_64: Process 1267 attached [pid 1266] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1267] set_robust_list(0x55555bb49760, 24 [pid 1266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 196 [pid 309] getdents64(4 [pid 1267] <... set_robust_list resumed>) = 0 [pid 1266] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1267] rt_sigprocmask(SIG_SETMASK, [] [pid 1266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 1267] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1267] chdir("./194" [pid 1266] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./196/config" [pid 309] close(4 [pid 1267] <... chdir resumed>) = 0 [pid 1266] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 1267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./184/config" [pid 1266] <... symlinkat resumed>) = 0 [pid 1267] <... prctl resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1266] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1267] setpgid(0, 0 [pid 1266] <... unlinkat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./196/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./184/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1267] <... setpgid resumed>) = 0 [pid 1266] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1267] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] fstat(4 [pid 309] newfstatat(AT_FDCWD, "./184/binderfs" [pid 1267] <... symlink resumed>) = 0 [pid 1266] <... unlinkat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1267] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1266] close(3 [pid 313] getdents64(4 [pid 311] umount2("./188", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./184/binderfs" [pid 1267] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... unlink resumed>) = 0 [pid 1267] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./184/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1267] <... symlink resumed>) = 0 [pid 1266] close(4 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./184/cgroup.net" [pid 1267] <... openat resumed>) = 3 [pid 1266] close(5 [pid 313] <... close resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1267] write(3, "1000", 4 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./196/config" [pid 311] fstat(3 [pid 309] unlink("./184/cgroup.net" [pid 1267] <... write resumed>) = 4 [pid 1266] close(6 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1267] close(3 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./196/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 309] umount2("./184/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1267] <... close resumed>) = 0 [pid 1266] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1267] symlink("/dev/binderfs", "./binderfs" [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./196/binderfs" [pid 311] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./184/cgroup.cpu" [pid 1267] <... symlink resumed>) = 0 [pid 1266] close(8 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1267] write(1, "executing program\n", 18 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./196/binderfs" [pid 311] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 309] unlink("./184/cgroup.cpu" [pid 1267] <... write resumed>) = 18 [pid 1266] close(9 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1267] mkdirat(AT_FDCWD, "./config", 0777 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./196/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./188/config" [pid 309] umount2("./184/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1267] <... mkdirat resumed>) = 0 [pid 1266] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1267] mount(NULL, "./config", "configfs", 0, NULL [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./196/cgroup.net" [pid 311] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./184/cgroup" [pid 1267] <... mount resumed>) = 0 [pid 1266] close(11 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./196/cgroup.net" [pid 311] openat(AT_FDCWD, "./188/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./184/cgroup" [pid 1267] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1266] close(12 [pid 313] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 1267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./196/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 309] getdents64(3 [pid 1267] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1266] close(13 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./196/cgroup.cpu" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] close(3 [pid 1267] <... mkdirat resumed>) = 0 [pid 1266] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 1267] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./196/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./184" [pid 1267] <... symlinkat resumed>) = 0 [pid 1266] close(15 [pid 313] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 1267] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./196/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] mkdir("./185", 0777 [pid 1267] <... unlinkat resumed>) = 0 [pid 1266] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 309] <... mkdir resumed>) = 0 [pid 1267] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./196/cgroup" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1267] <... unlinkat resumed>) = 0 [pid 1266] close(17 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1267] close(3 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./196/cgroup" [pid 311] rmdir("./188/config" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] close(18 [pid 313] <... unlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1268 attached [pid 1267] close(4 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] umount2("./188/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 187 [pid 1268] set_robust_list(0x55555bb49760, 24 [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] close(19 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1268] <... set_robust_list resumed>) = 0 [pid 1267] close(5 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1268] rt_sigprocmask(SIG_SETMASK, [] [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] close(20 [pid 313] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./188/binderfs" [pid 1268] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1267] close(6 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./196" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1268] chdir("./185" [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] close(21 [pid 313] <... rmdir resumed>) = 0 [pid 311] unlink("./188/binderfs" [pid 1268] <... chdir resumed>) = 0 [pid 1267] close(7 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./197", 0777 [pid 1268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] close(22 [pid 313] <... mkdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1268] <... prctl resumed>) = 0 [pid 1267] close(8 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./188/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1268] setpgid(0, 0 [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] close(23 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1268] <... setpgid resumed>) = 0 [pid 1267] close(9 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1268] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] close(24ci2-android-5-15/strace-static-x86_64: Process 1269 attached [pid 1268] <... symlink resumed>) = 0 [pid 1267] close(10 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 199 [pid 311] newfstatat(AT_FDCWD, "./188/cgroup.net" [pid 1269] set_robust_list(0x55555bb49760, 24 [pid 1268] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] close(25 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1269] <... set_robust_list resumed>) = 0 [pid 1267] close(11 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1268] <... symlink resumed>) = 0 [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] rt_sigprocmask(SIG_SETMASK, [] [pid 1268] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1267] close(12 [pid 1266] close(26 [pid 311] unlink("./188/cgroup.net" [pid 1269] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1268] <... symlink resumed>) = 0 [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1267] close(13 [pid 311] <... unlink resumed>) = 0 [pid 1269] chdir("./197" [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] close(27 [pid 1269] <... chdir resumed>) = 0 [pid 1268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1267] close(14 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./188/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] <... openat resumed>) = 3 [pid 1267] close(15 [pid 1266] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1269] <... prctl resumed>) = 0 [pid 1268] write(3, "1000", 4 [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] setpgid(0, 0 [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./188/cgroup.cpu" [pid 1269] <... setpgid resumed>) = 0 [pid 1268] <... write resumed>) = 4 [pid 1267] close(16 [pid 1266] close(29 [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1267] close(17 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1269] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1268] close(3 [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./188/cgroup.cpu" [pid 1269] <... symlink resumed>) = 0 [pid 1268] <... close resumed>) = 0 [pid 1267] close(18 [pid 1268] symlink("/dev/binderfs", "./binderfs" [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] exit_group(0 [pid 1267] close(19 [pid 311] <... unlink resumed>) = 0 [pid 1269] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1268] <... symlink resumed>) = 0 [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1266] <... exit_group resumed>) = ? [pid 1269] <... symlink resumed>) = 0 [pid 1268] write(1, "executing program\n", 18 [pid 1267] close(20 [pid 311] umount2("./188/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1267] close(21) = -1 EBADF (Bad file descriptor) [pid 1267] close(22) = -1 EBADF (Bad file descriptor) [pid 1267] close(23) = -1 EBADF (Bad file descriptor) [pid 1267] close(24) = -1 EBADF (Bad file descriptor) [pid 1267] close(25) = -1 EBADF (Bad file descriptor) [pid 1267] close(26) = -1 EBADF (Bad file descriptor) [pid 1267] close(27) = -1 EBADF (Bad file descriptor) [pid 1266] +++ exited with 0 +++ [pid 1268] <... write resumed>) = 18 [pid 1267] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1269] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1268] mkdirat(AT_FDCWD, "./config", 0777 [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./188/cgroup" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1269] <... symlink resumed>) = 0 [pid 1268] <... mkdirat resumed>) = 0 [pid 1267] close(29 [pid 1269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1268] mount(NULL, "./config", "configfs", 0, NULL [pid 1267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1269] <... openat resumed>) = 3 [pid 1268] <... mount resumed>) = 0 executing program [pid 1267] exit_group(0 [pid 1269] write(3, "1000", 4 [pid 1268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1267] <... exit_group resumed>) = ? [pid 311] unlink("./188/cgroup" [pid 1269] <... write resumed>) = 4 [pid 1268] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1267] +++ exited with 0 +++ [pid 1269] close(3 [pid 1268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... unlink resumed>) = 0 [pid 1269] <... close resumed>) = 0 [pid 1268] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1269] symlink("/dev/binderfs", "./binderfs" [pid 1268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] getdents64(3 [pid 1269] <... symlink resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1268] <... mkdirat resumed>) = 0 [pid 311] close(3 [pid 1269] write(1, "executing program\n", 18 [pid 1268] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1269] <... write resumed>) = 18 [pid 311] <... close resumed>) = 0 [pid 1268] <... symlinkat resumed>) = 0 [pid 311] rmdir("./188" [pid 1269] mkdirat(AT_FDCWD, "./config", 0777 [pid 1268] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... rmdir resumed>) = 0 [pid 1269] <... mkdirat resumed>) = 0 [pid 311] mkdir("./189", 0777 [pid 1268] <... unlinkat resumed>) = 0 executing program [pid 1269] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... mkdir resumed>) = 0 [pid 1268] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1269] <... mount resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1268] <... unlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1268] close(3 [pid 1269] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1270 attached [pid 1269] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1268] close(4 [pid 1270] set_robust_list(0x55555bb49760, 24 [pid 1269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 191 [pid 1270] <... set_robust_list resumed>) = 0 [pid 1270] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1270] chdir("./189" [pid 1269] <... mkdirat resumed>) = 0 [pid 1268] close(5 [pid 1270] <... chdir resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1269] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] <... prctl resumed>) = 0 [pid 1270] setpgid(0, 0 [pid 1269] <... symlinkat resumed>) = 0 [pid 1268] close(6 [pid 1270] <... setpgid resumed>) = 0 [pid 1269] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 1269] <... unlinkat resumed>) = 0 [pid 1268] close(7 [pid 312] <... restart_syscall resumed>) = 0 [pid 1270] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1269] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] <... symlink resumed>) = 0 [pid 1270] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 1269] <... unlinkat resumed>) = 0 [pid 1268] close(8 [pid 1270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1269] close(3 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./194", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1270] <... openat resumed>) = 3 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(9 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1270] write(3, "1000", 4 [pid 1269] close(4 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1270] <... write resumed>) = 4 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(10 [pid 1270] close(3 [pid 312] <... openat resumed>) = 3 [pid 1270] <... close resumed>) = 0 [pid 1269] close(5 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] symlink("/dev/binderfs", "./binderfs" [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(11 [pid 312] fstat(3 [pid 1270] <... symlink resumed>) = 0 [pid 1270] write(1, "executing program\n", 18) = 18 [pid 1270] mkdirat(AT_FDCWD, "./config", 0777 [pid 1269] close(6 [pid 1270] <... mkdirat resumed>) = 0 executing program [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1270] mount(NULL, "./config", "configfs", 0, NULL [pid 1269] close(7 [pid 1268] close(12 [pid 1270] <... mount resumed>) = 0 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1269] close(8 [pid 1268] close(13 [pid 1270] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1269] close(9 [pid 1268] close(14 [pid 1270] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1269] close(10 [pid 1268] close(15 [pid 1270] <... mkdirat resumed>) = 0 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1270] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1269] close(11 [pid 1270] <... symlinkat resumed>) = 0 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(16 [pid 312] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1270] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1269] close(12 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] <... unlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1270] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(17 [pid 312] newfstatat(AT_FDCWD, "./194/config" [pid 1270] close(3 [pid 1269] close(13 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1270] close(4) = -1 EBADF (Bad file descriptor) [pid 1270] close(5 [pid 1269] close(14 [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1270] close(6 [pid 1269] close(15 [pid 1268] close(19 [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1270] close(7 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./194/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1269] close(16 [pid 1270] close(8 [pid 1268] close(20 [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] close(9) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1270] close(10 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] close(17 [pid 1268] close(21 [pid 312] fstat(4 [pid 1270] close(11) = -1 EBADF (Bad file descriptor) [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] close(12 [pid 1269] close(18 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(22 [pid 312] getdents64(4 [pid 1270] close(13 [pid 1269] close(19 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(23 [pid 1270] close(14) = -1 EBADF (Bad file descriptor) [pid 1270] close(15 [pid 1269] close(20 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(24 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1270] close(16 [pid 1269] close(21 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 310] umount2("./186", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] close(17 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(25 [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] close(22 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1270] close(18 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(26 [pid 312] rmdir("./194/config" [pid 310] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] close(23 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] close(19 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(27 [pid 312] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] close(24 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./194/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 1270] close(20 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(28 [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] close(25 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1270] close(21) = -1 EBADF (Bad file descriptor) [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1268] close(29 [pid 312] newfstatat(AT_FDCWD, "./194/binderfs" [pid 1270] close(22 [pid 1269] close(26 [pid 1268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1270] close(23 [pid 1268] exit_group(0 [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1269] close(27 [pid 1268] <... exit_group resumed>) = ? [pid 312] unlink("./194/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1270] close(24 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1270] close(25) = -1 EBADF (Bad file descriptor) [pid 1270] close(26) = -1 EBADF (Bad file descriptor) [pid 1270] close(27) = -1 EBADF (Bad file descriptor) [pid 1270] close(28) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1269] close(28 [pid 1270] close(29) = -1 EBADF (Bad file descriptor) [pid 1268] +++ exited with 0 +++ [pid 1270] exit_group(0 [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./194/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=187, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1270] <... exit_group resumed>) = ? [pid 1269] close(29 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1270] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./194/cgroup.net" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1269] exit_group(0) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./186/config" [pid 309] <... restart_syscall resumed>) = 0 [pid 309] umount2("./185", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1269] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] unlink("./194/cgroup.net" [pid 309] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./189", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 312] umount2("./194/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./194/cgroup.cpu" [pid 311] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./186/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] unlink("./194/cgroup.cpu" [pid 311] fstat(3 [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = 0 [pid 312] umount2("./194/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./194/cgroup" [pid 311] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./185/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./194/cgroup" [pid 311] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] umount2("./185/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./189/config" [pid 310] close(4 [pid 313] umount2("./197", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(3 [pid 309] openat(AT_FDCWD, "./185/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 313] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 312] rmdir("./194" [pid 311] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./186/config" [pid 309] <... openat resumed>) = 4 [pid 313] fstat(3 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] mkdir("./195", 0777 [pid 311] openat(AT_FDCWD, "./189/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 313] getdents64(3 [pid 312] <... mkdir resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./186/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 313] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] newfstatat(AT_FDCWD, "./197/config" [pid 310] newfstatat(AT_FDCWD, "./186/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./197/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1271 attached ) = 4 [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1271] set_robust_list(0x55555bb49760, 24 [pid 313] fstat(4 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 197 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1271] <... set_robust_list resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] unlink("./186/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1271] rt_sigprocmask(SIG_SETMASK, [] [pid 313] getdents64(4 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] getdents64(4 [pid 1271] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1271] chdir("./195" [pid 313] getdents64(4 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./186/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1271] <... chdir resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] close(4 [pid 309] <... close resumed>) = 0 [pid 1271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] close(4 [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./185/config" [pid 1271] <... prctl resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 1271] setpgid(0, 0 [pid 313] rmdir("./197/config" [pid 311] rmdir("./189/config" [pid 310] newfstatat(AT_FDCWD, "./186/cgroup.net" [pid 1271] <... setpgid resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1271] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] umount2("./197/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./185/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1271] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./189/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./186/cgroup.net" [pid 1271] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] newfstatat(AT_FDCWD, "./197/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1271] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1271] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] unlink("./197/binderfs" [pid 309] newfstatat(AT_FDCWD, "./185/binderfs" [pid 1271] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./189/binderfs" [pid 310] umount2("./186/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./197/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1271] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./189/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./185/binderfs" [pid 1271] write(3, "1000", 4 [pid 313] newfstatat(AT_FDCWD, "./197/cgroup.net" [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./186/cgroup.cpu" [pid 1271] <... write resumed>) = 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./189/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1271] close(3 [pid 313] unlink("./197/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./185/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1271] <... close resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./189/cgroup.net" [pid 1271] symlink("/dev/binderfs", "./binderfs" [pid 313] umount2("./197/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./186/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1271] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1271] write(1, "executing program\n", 18 executing program [pid 313] newfstatat(AT_FDCWD, "./197/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./185/cgroup.net" [pid 1271] <... write resumed>) = 18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./189/cgroup.net" [pid 310] umount2("./186/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1271] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] unlink("./197/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1271] <... mkdirat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./185/cgroup.net" [pid 1271] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./197/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./189/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./186/cgroup" [pid 1271] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1271] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] newfstatat(AT_FDCWD, "./197/cgroup" [pid 1271] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1271] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] unlink("./197/cgroup" [pid 311] newfstatat(AT_FDCWD, "./189/cgroup.cpu" [pid 1271] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... unlink resumed>) = 0 [pid 310] unlink("./186/cgroup" [pid 309] umount2("./185/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1271] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1271] <... mkdirat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1271] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] close(3 [pid 311] unlink("./189/cgroup.cpu" [pid 310] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./185/cgroup.cpu" [pid 1271] <... symlinkat resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1271] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] rmdir("./197" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1271] <... unlinkat resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 311] umount2("./189/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1271] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] mkdir("./198", 0777 [pid 1271] <... unlinkat resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] unlink("./185/cgroup.cpu" [pid 1271] close(3 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./189/cgroup" [pid 310] rmdir("./186" [pid 309] <... unlink resumed>) = 0 [pid 1271] close(4 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./185/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1272 attached [pid 1271] close(5 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 200 [pid 311] unlink("./189/cgroup" [pid 310] mkdir("./187", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1272] set_robust_list(0x55555bb49760, 24 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... unlink resumed>) = 0 [pid 1271] close(6 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1272] <... set_robust_list resumed>) = 0 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./185/cgroup" [pid 1272] rt_sigprocmask(SIG_SETMASK, [] [pid 1271] close(7 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1272] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1272] chdir("./198" [pid 1271] close(8) = -1 EBADF (Bad file descriptor) [pid 1271] close(9 [pid 311] <... close resumed>) = 0 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1271] close(10) = -1 EBADF (Bad file descriptor) [pid 1271] close(11) = -1 EBADF (Bad file descriptor) [pid 1271] close(12) = -1 EBADF (Bad file descriptor) [pid 1271] close(13ci2-android-5-15/strace-static-x86_64: Process 1273 attached [pid 1272] <... chdir resumed>) = 0 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./189" [pid 309] unlink("./185/cgroup" [pid 1273] set_robust_list(0x55555bb49760, 24 [pid 1272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1271] close(14 [pid 311] <... rmdir resumed>) = 0 [pid 1273] <... set_robust_list resumed>) = 0 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1272] <... prctl resumed>) = 0 [pid 1273] rt_sigprocmask(SIG_SETMASK, [] [pid 1272] setpgid(0, 0 [pid 1271] close(15 [pid 311] mkdir("./190", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 189 [pid 309] getdents64(3 [pid 1273] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1272] <... setpgid resumed>) = 0 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] chdir("./187" [pid 311] <... mkdir resumed>) = 0 [pid 1272] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1271] close(16 [pid 1273] <... chdir resumed>) = 0 [pid 1272] <... symlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(3 [pid 1273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1272] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1273] <... prctl resumed>) = 0 [pid 1272] <... symlink resumed>) = 0 [pid 1271] close(17 [pid 1273] setpgid(0, 0 [pid 1272] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./185" [pid 1273] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1274 attached [pid 1273] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1272] <... symlink resumed>) = 0 [pid 1271] close(18 [pid 309] <... rmdir resumed>) = 0 [pid 1273] <... symlink resumed>) = 0 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 192 [pid 309] mkdir("./186", 0777 [pid 1274] set_robust_list(0x55555bb49760, 24 [pid 1273] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1271] close(19 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 1274] <... set_robust_list resumed>) = 0 [pid 1273] <... symlink resumed>) = 0 [pid 1272] <... openat resumed>) = 3 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1273] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1271] close(20 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1274] rt_sigprocmask(SIG_SETMASK, [] [pid 1273] <... symlink resumed>) = 0 [pid 1272] write(3, "1000", 4 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1274] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1272] <... write resumed>) = 4 [pid 1271] close(21ci2-android-5-15/strace-static-x86_64: Process 1275 attached [pid 1274] chdir("./190" [pid 1273] <... openat resumed>) = 3 [pid 1272] close(3 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 188 [pid 1275] set_robust_list(0x55555bb49760, 24 [pid 1274] <... chdir resumed>) = 0 [pid 1273] write(3, "1000", 4 [pid 1272] <... close resumed>) = 0 [pid 1271] close(22 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1275] <... set_robust_list resumed>) = 0 [pid 1274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1273] <... write resumed>) = 4 [pid 1272] symlink("/dev/binderfs", "./binderfs" [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1275] rt_sigprocmask(SIG_SETMASK, [] [pid 1274] <... prctl resumed>) = 0 [pid 1273] close(3 [pid 1271] close(23 [pid 1275] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1274] setpgid(0, 0 [pid 1273] <... close resumed>) = 0 [pid 1272] <... symlink resumed>) = 0 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] chdir("./186" [pid 1274] <... setpgid resumed>) = 0 [pid 1273] symlink("/dev/binderfs", "./binderfs" [pid 1272] write(1, "executing program\n", 18 executing program [pid 1271] close(24 [pid 1275] <... chdir resumed>) = 0 [pid 1274] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1273] <... symlink resumed>) = 0 [pid 1272] <... write resumed>) = 18 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1274] <... symlink resumed>) = 0 [pid 1273] write(1, "executing program\n", 18 [pid 1271] close(25 [pid 1275] <... prctl resumed>) = 0 executing program [pid 1274] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1273] <... write resumed>) = 18 [pid 1272] mkdirat(AT_FDCWD, "./config", 0777 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] setpgid(0, 0 [pid 1274] <... symlink resumed>) = 0 [pid 1273] mkdirat(AT_FDCWD, "./config", 0777 [pid 1271] close(26 [pid 1275] <... setpgid resumed>) = 0 [pid 1274] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1273] <... mkdirat resumed>) = 0 [pid 1272] <... mkdirat resumed>) = 0 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1273] mount(NULL, "./config", "configfs", 0, NULL [pid 1271] close(27 [pid 1275] <... symlink resumed>) = 0 [pid 1274] <... symlink resumed>) = 0 [pid 1273] <... mount resumed>) = 0 [pid 1272] mount(NULL, "./config", "configfs", 0, NULL [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1271] close(28 [pid 1275] <... symlink resumed>) = 0 [pid 1273] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1272] <... mount resumed>) = 0 [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1271] close(29 [pid 1274] <... openat resumed>) = 3 [pid 1273] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1275] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] <... symlink resumed>) = 0 [pid 1274] write(3, "1000", 4 [pid 1273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1272] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1271] exit_group(0 [pid 1275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1274] <... write resumed>) = 4 [pid 1273] <... mkdirat resumed>) = 0 [pid 1271] <... exit_group resumed>) = ? [pid 1275] <... openat resumed>) = 3 [pid 1274] close(3 [pid 1273] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1271] +++ exited with 0 +++ [pid 1275] write(3, "1000", 4 [pid 1274] <... close resumed>) = 0 [pid 1273] <... symlinkat resumed>) = 0 [pid 1275] <... write resumed>) = 4 [pid 1274] symlink("/dev/binderfs", "./binderfs" [pid 1273] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1272] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1275] close(3 [pid 1274] <... symlink resumed>) = 0 [pid 1273] <... unlinkat resumed>) = 0 [pid 1272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1275] <... close resumed>) = 0 [pid 1274] write(1, "executing program\n", 18 executing program [pid 1273] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1272] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1275] symlink("/dev/binderfs", "./binderfs" [pid 1274] <... write resumed>) = 18 [pid 1273] <... unlinkat resumed>) = 0 [pid 1272] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1273] close(3) = -1 EBADF (Bad file descriptor) [pid 1275] <... symlink resumed>) = 0 [pid 1273] close(4 [pid 1275] write(1, "executing program\n", 18 [pid 1274] mkdirat(AT_FDCWD, "./config", 0777 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] <... write resumed>) = 18 [pid 1273] close(5 [pid 1272] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1274] <... mkdirat resumed>) = 0 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1275] mkdirat(AT_FDCWD, "./config", 0777 [pid 1274] mount(NULL, "./config", "configfs", 0, NULL [pid 1273] close(6 [pid 1272] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1275] <... mkdirat resumed>) = 0 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] mount(NULL, "./config", "configfs", 0, NULL [pid 1274] <... mount resumed>) = 0 [pid 1273] close(7) = -1 EBADF (Bad file descriptor) [pid 1272] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1275] <... mount resumed>) = 0 [pid 1274] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1273] close(8 [pid 1272] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1274] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] close(9) = -1 EBADF (Bad file descriptor) [pid 1272] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1275] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1274] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1273] close(10 [pid 1272] close(3 [pid 1275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1274] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] close(11 [pid 312] <... restart_syscall resumed>) = 0 [pid 1275] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1274] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] close(4 [pid 1275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1273] close(12) = -1 EBADF (Bad file descriptor) [pid 1274] <... mkdirat resumed>) = 0 [pid 1273] close(13 [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1274] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] close(5 [pid 1275] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1273] close(14 [pid 1274] <... symlinkat resumed>) = 0 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1274] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1273] close(15 [pid 1272] close(6 [pid 312] umount2("./195", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1275] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1274] <... unlinkat resumed>) = 0 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1274] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1273] close(16 [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1275] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] <... unlinkat resumed>) = 0 [pid 1273] close(17 [pid 1272] close(7 [pid 1275] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1274] close(3 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1275] close(3 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] close(18 [pid 1272] close(8 [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(4 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1275] close(4 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] close(19 [pid 1272] close(9 [pid 312] fstat(3 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(5 [pid 1273] close(20 [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1275] close(5 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] close(10 [pid 312] getdents64(3 [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(6 [pid 1273] close(21 [pid 1275] close(6 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(7 [pid 1273] close(22 [pid 1275] close(7 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] close(11 [pid 312] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(8 [pid 1273] close(23 [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] close(8 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] close(24 [pid 1272] close(12 [pid 312] <... umount2 resumed>) = 0 [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(9 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1275] close(9 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] close(25 [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(10 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] close(13 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1275] close(10 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] close(26 [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(11 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] close(14 [pid 312] newfstatat(AT_FDCWD, "./195/config" [pid 1275] close(11 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] close(27 [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(12 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] close(15 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1275] close(12 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] close(28 [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(13 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] close(16 [pid 1275] close(13 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] close(29 [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(14 [pid 1273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] close(14 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] exit_group(0 [pid 1272] close(17 [pid 312] openat(AT_FDCWD, "./195/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(15 [pid 1273] <... exit_group resumed>) = ? [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] close(15 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1273] +++ exited with 0 +++ [pid 1272] close(18 [pid 312] <... openat resumed>) = 4 [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(16 [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1275] close(16 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(17 [pid 1272] close(19 [pid 312] fstat(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1275] close(17 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(18 [pid 1272] close(20 [pid 1275] close(18 [pid 312] getdents64(4 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(19 [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1275] close(19 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] close(21 [pid 312] getdents64(4 [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(20 [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] close(20 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] close(22 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(21 [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] close(21 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(22 [pid 1272] close(23 [pid 1275] close(22 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(23 [pid 1272] close(24 [pid 312] rmdir("./195/config" [pid 1275] close(23 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(24 [pid 1272] close(25 [pid 312] <... rmdir resumed>) = 0 [pid 1275] close(24 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./195/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(25 [pid 1272] close(26 [pid 1275] close(25 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(26 [pid 1272] close(27 [pid 312] newfstatat(AT_FDCWD, "./195/binderfs" [pid 1275] close(26 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(27 [pid 1272] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1275] close(27 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./195/binderfs" [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(28 [pid 1272] close(29 [pid 312] <... unlink resumed>) = 0 [pid 1275] close(28 [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./195/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] close(29 [pid 1275] close(29 [pid 1272] exit_group(0 [pid 1275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1272] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1275] exit_group(0 [pid 1274] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./195/cgroup.net" [pid 1272] +++ exited with 0 +++ [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1274] <... exit_group resumed>) = ? [pid 1275] <... exit_group resumed>) = ? [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] unlink("./195/cgroup.net" [pid 1275] +++ exited with 0 +++ [pid 1274] +++ exited with 0 +++ [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... unlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 312] umount2("./195/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] newfstatat(AT_FDCWD, "./195/cgroup.cpu" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] unlink("./195/cgroup.cpu" [pid 310] umount2("./187", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./195/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./195/cgroup" [pid 310] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 312] unlink("./195/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 312] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(3) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 312] rmdir("./195" [pid 310] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./196", 0777 [pid 310] newfstatat(AT_FDCWD, "./187/config" [pid 312] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... restart_syscall resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./190", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./187/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1276 attached [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 1276] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 198 [pid 311] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 1276] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1276] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1276] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1276] chdir("./196" [pid 311] fstat(3 [pid 310] getdents64(4 [pid 1276] <... chdir resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1276] <... prctl resumed>) = 0 [pid 311] getdents64(3 [pid 310] getdents64(4 [pid 1276] setpgid(0, 0) = 0 [pid 1276] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1276] <... symlink resumed>) = 0 [pid 311] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1276] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 310] close(4 [pid 1276] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./186", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1276] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./187/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1276] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] newfstatat(AT_FDCWD, "./190/config" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1276] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 1276] write(3, "1000", 4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./187/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1276] <... write resumed>) = 4 [pid 311] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1276] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1276] <... close resumed>) = 0 [pid 311] openat(AT_FDCWD, "./190/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./187/binderfs" [pid 309] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1276] symlink("/dev/binderfs", "./binderfs" [pid 311] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1276] <... symlink resumed>) = 0 [pid 311] fstat(4 [pid 310] unlink("./187/binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 1276] write(1, "executing program\n", 18 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 executing program [pid 309] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1276] <... write resumed>) = 18 [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1276] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./187/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./186/config" [pid 1276] <... mkdirat resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1276] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./187/cgroup.net" [pid 309] umount2("./186/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1276] <... mount resumed>) = 0 [pid 311] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./187/cgroup.net" [pid 309] openat(AT_FDCWD, "./186/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1276] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rmdir("./190/config" [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 1276] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] umount2("./190/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./187/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1276] <... mkdirat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./190/binderfs" [pid 310] newfstatat(AT_FDCWD, "./187/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1276] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1276] <... symlinkat resumed>) = 0 [pid 313] umount2("./198", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./190/binderfs" [pid 310] unlink("./187/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1276] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1276] <... unlinkat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./190/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1276] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./187/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./186/config" [pid 1276] <... unlinkat resumed>) = 0 [pid 313] fstat(3 [pid 311] newfstatat(AT_FDCWD, "./190/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1276] close(3 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] umount2("./186/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./187/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1276] close(4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] unlink("./190/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./186/binderfs" [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1276] close(5 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./187/cgroup" [pid 309] unlink("./186/binderfs" [pid 313] <... umount2 resumed>) = 0 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./190/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1276] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] umount2("./186/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./198/config" [pid 311] newfstatat(AT_FDCWD, "./190/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1276] close(7 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./186/cgroup.net" [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1276] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./190/cgroup.cpu" [pid 310] <... close resumed>) = 0 [pid 309] unlink("./186/cgroup.net" [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./198/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./187" [pid 309] <... unlink resumed>) = 0 [pid 1276] close(9 [pid 313] <... openat resumed>) = 4 [pid 311] umount2("./190/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./186/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1276] close(10 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./190/cgroup" [pid 310] mkdir("./188", 0777 [pid 309] newfstatat(AT_FDCWD, "./186/cgroup.cpu" [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1276] close(11 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] unlink("./190/cgroup" [pid 310] <... mkdir resumed>) = 0 [pid 309] unlink("./186/cgroup.cpu" [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... unlink resumed>) = 0 [pid 1276] close(12 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./186/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1276] close(13 [pid 313] <... close resumed>) = 0 [pid 311] close(3 [pid 309] newfstatat(AT_FDCWD, "./186/cgroup" [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1276] close(14 [pid 309] unlink("./186/cgroup"ci2-android-5-15/strace-static-x86_64: Process 1277 attached [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./198/config" [pid 311] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1277] set_robust_list(0x55555bb49760, 24 [pid 1276] close(15 [pid 313] <... rmdir resumed>) = 0 [pid 311] rmdir("./190" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 190 [pid 309] getdents64(3 [pid 1277] <... set_robust_list resumed>) = 0 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./198/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1277] rt_sigprocmask(SIG_SETMASK, [] [pid 1276] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(3 [pid 1277] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./198/binderfs" [pid 311] mkdir("./191", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1277] chdir("./188" [pid 1276] close(17 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 309] rmdir("./186" [pid 1277] <... chdir resumed>) = 0 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./198/binderfs" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rmdir resumed>) = 0 [pid 1277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1276] close(18 [pid 313] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] mkdir("./187", 0777 [pid 1277] <... prctl resumed>) = 0 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./198/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... mkdir resumed>) = 0 [pid 1277] setpgid(0, 0 [pid 1276] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1277] <... setpgid resumed>) = 0 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1277] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1276] close(20 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1278 attached [pid 1277] <... symlink resumed>) = 0 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./198/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1279 attached [pid 1278] set_robust_list(0x55555bb49760, 24 [pid 1277] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1276] close(21 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 193 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 189 [pid 1279] set_robust_list(0x55555bb49760, 24 [pid 1278] <... set_robust_list resumed>) = 0 [pid 1277] <... symlink resumed>) = 0 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./198/cgroup.net" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1279] <... set_robust_list resumed>) = 0 [pid 1278] rt_sigprocmask(SIG_SETMASK, [] [pid 1277] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1276] close(22 [pid 313] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1279] rt_sigprocmask(SIG_SETMASK, [] [pid 1278] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1277] <... symlink resumed>) = 0 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./198/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1279] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1278] chdir("./191" [pid 1277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1276] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1279] chdir("./187" [pid 1278] <... chdir resumed>) = 0 [pid 1277] <... openat resumed>) = 3 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1277] write(3, "1000", 4 [pid 1276] close(24 [pid 313] newfstatat(AT_FDCWD, "./198/cgroup.cpu" [pid 1279] <... chdir resumed>) = 0 [pid 1278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1277] <... write resumed>) = 4 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1278] <... prctl resumed>) = 0 [pid 1277] close(3 [pid 1276] close(25 [pid 313] unlink("./198/cgroup.cpu" [pid 1279] <... prctl resumed>) = 0 [pid 1278] setpgid(0, 0 [pid 1277] <... close resumed>) = 0 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] setpgid(0, 0 [pid 1278] <... setpgid resumed>) = 0 [pid 1277] symlink("/dev/binderfs", "./binderfs" [pid 1276] close(26 [pid 313] <... unlink resumed>) = 0 [pid 1279] <... setpgid resumed>) = 0 [pid 1278] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1277] <... symlink resumed>) = 0 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./198/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1277] write(1, "executing program\n", 18 [pid 1276] close(27 [pid 1279] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1277] <... write resumed>) = 18 executing program [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] <... symlink resumed>) = 0 [pid 1278] <... symlink resumed>) = 0 [pid 1277] mkdirat(AT_FDCWD, "./config", 0777 [pid 1276] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1279] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1278] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1277] <... mkdirat resumed>) = 0 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./198/cgroup" [pid 1279] <... symlink resumed>) = 0 [pid 1277] mount(NULL, "./config", "configfs", 0, NULL [pid 1276] close(29 [pid 1279] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1278] <... symlink resumed>) = 0 [pid 1277] <... mount resumed>) = 0 [pid 1276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1279] <... symlink resumed>) = 0 [pid 1278] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1276] exit_group(0 [pid 313] unlink("./198/cgroup" [pid 1279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1278] <... symlink resumed>) = 0 [pid 1277] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1276] <... exit_group resumed>) = ? [pid 1279] <... openat resumed>) = 3 [pid 1278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1276] +++ exited with 0 +++ [pid 313] <... unlink resumed>) = 0 [pid 1279] write(3, "1000", 4 [pid 1278] <... openat resumed>) = 3 [pid 1277] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] getdents64(3 [pid 1279] <... write resumed>) = 4 [pid 1278] write(3, "1000", 4 [pid 1277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1279] close(3 [pid 1278] <... write resumed>) = 4 [pid 1277] <... mkdirat resumed>) = 0 [pid 313] close(3 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1279] <... close resumed>) = 0 [pid 1278] close(3 [pid 1277] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... close resumed>) = 0 [pid 1279] symlink("/dev/binderfs", "./binderfs" [pid 1278] <... close resumed>) = 0 [pid 1277] <... symlinkat resumed>) = 0 [pid 313] rmdir("./198" [pid 1279] <... symlink resumed>) = 0 [pid 1278] symlink("/dev/binderfs", "./binderfs" [pid 1277] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1279] write(1, "executing program\n", 18 [pid 1278] <... symlink resumed>) = 0 executing program executing program [pid 1277] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] mkdir("./199", 0777 [pid 1279] <... write resumed>) = 18 [pid 1278] write(1, "executing program\n", 18 [pid 1277] <... unlinkat resumed>) = 0 [pid 1277] close(3) = -1 EBADF (Bad file descriptor) [pid 1277] close(4) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1277] close(5) = -1 EBADF (Bad file descriptor) [pid 1279] mkdirat(AT_FDCWD, "./config", 0777 [pid 1278] <... write resumed>) = 18 [pid 1277] close(6 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1279] <... mkdirat resumed>) = 0 [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./196", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1279] mount(NULL, "./config", "configfs", 0, NULL [pid 1278] mkdirat(AT_FDCWD, "./config", 0777 [pid 1277] close(7 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1279] <... mount resumed>) = 0 [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1278] <... mkdirat resumed>) = 0 [pid 1277] close(8 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1277] close(9) = -1 EBADF (Bad file descriptor) [pid 1277] close(10) = -1 EBADF (Bad file descriptor) [pid 1277] close(11) = -1 EBADF (Bad file descriptor) [pid 1279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1277] close(12) = -1 EBADF (Bad file descriptor) [pid 1277] close(13) = -1 EBADF (Bad file descriptor) [pid 1277] close(14) = -1 EBADF (Bad file descriptor) [pid 1277] close(15) = -1 EBADF (Bad file descriptor) [pid 1277] close(16) = -1 EBADF (Bad file descriptor) [pid 1277] close(17ci2-android-5-15/strace-static-x86_64: Process 1280 attached [pid 1279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1278] mount(NULL, "./config", "configfs", 0, NULL [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1280] set_robust_list(0x55555bb49760, 24 [pid 1279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1277] close(18 [pid 1278] <... mount resumed>) = 0 [pid 1280] <... set_robust_list resumed>) = 0 [pid 1279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1278] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 201 [pid 312] fstat(3 [pid 1280] rt_sigprocmask(SIG_SETMASK, [] [pid 1277] close(19 [pid 1280] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1280] chdir("./199" [pid 1279] <... mkdirat resumed>) = 0 [pid 1278] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1277] close(20 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1280] <... chdir resumed>) = 0 [pid 1279] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1278] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1277] close(21 [pid 312] getdents64(3 [pid 1279] <... symlinkat resumed>) = 0 [pid 1280] <... prctl resumed>) = 0 [pid 1278] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1279] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1280] setpgid(0, 0 [pid 1278] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1277] close(22 [pid 1280] <... setpgid resumed>) = 0 [pid 1279] <... unlinkat resumed>) = 0 [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1280] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1279] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1278] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1277] close(23 [pid 1280] <... symlink resumed>) = 0 [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1280] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1279] <... unlinkat resumed>) = 0 [pid 1278] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1277] close(24 [pid 312] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1280] <... symlink resumed>) = 0 [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1280] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1277] close(25 [pid 1280] <... symlink resumed>) = 0 [pid 1279] close(3 [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1277] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1280] <... openat resumed>) = 3 [pid 1279] close(4 [pid 1278] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./196/config" [pid 1280] write(3, "1000", 4 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1277] close(27 [pid 1280] <... write resumed>) = 4 [pid 1279] close(5 [pid 1278] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1280] close(3 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1277] close(28 [pid 312] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1280] <... close resumed>) = 0 [pid 1279] close(6 [pid 1278] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1280] symlink("/dev/binderfs", "./binderfs" [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(3 [pid 1277] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1280] <... symlink resumed>) = 0 [pid 1279] close(7 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1277] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1280] write(1, "executing program\n", 18 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(4 [pid 1277] exit_group(0 [pid 312] openat(AT_FDCWD, "./196/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1280] <... write resumed>) = 18 [pid 1279] close(8 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1277] <... exit_group resumed>) = ? [pid 1280] mkdirat(AT_FDCWD, "./config", 0777 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(5 [pid 1277] +++ exited with 0 +++ [pid 312] <... openat resumed>) = 4 [pid 1280] <... mkdirat resumed>) = 0 [pid 1279] close(9 [pid 1280] mount(NULL, "./config", "configfs", 0, NULL [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1280] <... mount resumed>) = 0 [pid 1279] close(10 [pid 1278] close(6 [pid 1280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1280] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1279] close(11 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(7 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1280] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1279] close(12 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(8 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1280] <... mkdirat resumed>) = 0 [pid 1279] close(13 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1280] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(9 [pid 312] <... close resumed>) = 0 [pid 1280] <... symlinkat resumed>) = 0 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./196/config" [pid 1279] close(14 [pid 1278] close(10 [pid 312] <... rmdir resumed>) = 0 [pid 1280] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./196/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1280] <... unlinkat resumed>) = 0 [pid 1278] close(11 [pid 1280] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1279] close(15 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1280] <... unlinkat resumed>) = 0 [pid 1278] close(12 [pid 1280] close(3 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./196/binderfs" [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] close(16 [pid 1278] close(13 [pid 1280] close(4 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] close(17 [pid 1278] close(14 [pid 312] unlink("./196/binderfs" [pid 1280] close(5 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] close(18 [pid 1278] close(15 [pid 312] <... unlink resumed>) = 0 [pid 1280] close(6 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./196/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] close(19 [pid 1278] close(16 [pid 1280] close(7 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] close(20 [pid 1278] close(17 [pid 312] newfstatat(AT_FDCWD, "./196/cgroup.net" [pid 1280] close(8 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1280] close(9 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(18 [pid 312] unlink("./196/cgroup.net" [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] close(22 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1280] close(10 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(19 [pid 312] <... unlink resumed>) = 0 [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] close(23 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1280] close(11 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(20 [pid 312] umount2("./196/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] close(24 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1280] close(12 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] close(25 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./196/cgroup.cpu" [pid 1280] close(13 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(22 [pid 1279] close(26 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(23 [pid 1280] close(14 [pid 1279] close(27 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./196/cgroup.cpu" [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(24 [pid 1279] close(28 [pid 312] <... unlink resumed>) = 0 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1280] close(15 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(25 [pid 312] umount2("./196/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1279] close(29 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1280] close(16 [pid 1279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(26 [pid 1279] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./196/cgroup" [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1280] close(17 [pid 1279] <... exit_group resumed>) = ? [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(27 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./188", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1279] +++ exited with 0 +++ [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./196/cgroup" [pid 1280] close(18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(28 [pid 312] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1280] close(19 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] <... openat resumed>) = 3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] close(29 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 1280] close(20 [pid 1278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1280] close(21 [pid 1278] exit_group(0 [pid 312] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1278] <... exit_group resumed>) = ? [pid 312] rmdir("./196" [pid 310] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1280] close(22 [pid 310] <... umount2 resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./188/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./187", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1280] close(23 [pid 1278] +++ exited with 0 +++ [pid 312] mkdir("./197", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./188/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1280] close(24 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(4 [pid 309] fstat(3 [pid 1280] close(25 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] getdents64(4 [pid 309] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1281 attached [pid 1280] close(26 [pid 311] umount2("./191", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1281] set_robust_list(0x55555bb49760, 24 [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 199 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 309] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1281] <... set_robust_list resumed>) = 0 [pid 1280] close(27 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1281] rt_sigprocmask(SIG_SETMASK, [] [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./188/config" [pid 309] newfstatat(AT_FDCWD, "./187/config" [pid 1281] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1280] close(28 [pid 311] <... openat resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1281] chdir("./197" [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 310] umount2("./188/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./187/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1281] <... chdir resumed>) = 0 [pid 1280] close(29 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./188/binderfs" [pid 309] openat(AT_FDCWD, "./187/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1281] <... prctl resumed>) = 0 [pid 1280] exit_group(0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 1281] setpgid(0, 0 [pid 1280] <... exit_group resumed>) = ? [pid 311] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./188/binderfs" [pid 309] fstat(4 [pid 1281] <... setpgid resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1281] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 310] umount2("./188/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1281] <... symlink resumed>) = 0 [pid 1280] +++ exited with 0 +++ [pid 311] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1281] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./188/cgroup.net" [pid 309] getdents64(4 [pid 1281] <... symlink resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1281] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./191/config" [pid 310] unlink("./188/cgroup.net" [pid 309] close(4 [pid 1281] <... symlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./188/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./187/config" [pid 1281] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1281] write(3, "1000", 4 [pid 311] openat(AT_FDCWD, "./191/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./188/cgroup.cpu" [pid 309] umount2("./187/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1281] <... write resumed>) = 4 [pid 311] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1281] close(3 [pid 311] fstat(4 [pid 310] unlink("./188/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./187/binderfs" [pid 1281] <... close resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1281] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./188/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./187/binderfs" [pid 1281] <... symlink resumed>) = 0 executing program [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1281] write(1, "executing program\n", 18 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./188/cgroup" [pid 309] umount2("./187/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1281] <... write resumed>) = 18 [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1281] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] unlink("./188/cgroup" [pid 309] newfstatat(AT_FDCWD, "./187/cgroup.net" [pid 1281] <... mkdirat resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] close(4 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1281] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 309] unlink("./187/cgroup.net" [pid 1281] <... mount resumed>) = 0 [pid 311] rmdir("./191/config" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1281] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] umount2("./199", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 310] close(3 [pid 309] umount2("./187/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1281] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./191/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1281] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./188" [pid 309] newfstatat(AT_FDCWD, "./187/cgroup.cpu" [pid 1281] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 3 [pid 311] newfstatat(AT_FDCWD, "./191/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1281] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] fstat(3 [pid 310] mkdir("./189", 0777 [pid 309] unlink("./187/cgroup.cpu" [pid 1281] <... mkdirat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1281] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] getdents64(3 [pid 311] unlink("./191/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./187/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1281] <... symlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... unlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1281] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./191/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./187/cgroup"ci2-android-5-15/strace-static-x86_64: Process 1282 attached [pid 1281] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1282] set_robust_list(0x55555bb49760, 24 [pid 1281] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./191/cgroup.net" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 191 [pid 309] unlink("./187/cgroup" [pid 1282] <... set_robust_list resumed>) = 0 [pid 1281] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 1282] rt_sigprocmask(SIG_SETMASK, [] [pid 1281] close(3 [pid 313] newfstatat(AT_FDCWD, "./199/config" [pid 311] unlink("./191/cgroup.net" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 1282] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1282] chdir("./189" [pid 1281] close(4 [pid 313] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./191/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1282] <... chdir resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1281] close(5 [pid 313] openat(AT_FDCWD, "./199/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./187" [pid 1282] <... prctl resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 311] newfstatat(AT_FDCWD, "./191/cgroup.cpu" [pid 309] <... rmdir resumed>) = 0 [pid 1282] setpgid(0, 0 [pid 1281] close(6 [pid 313] fstat(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./188", 0777 [pid 1282] <... setpgid resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] unlink("./191/cgroup.cpu" [pid 309] <... mkdir resumed>) = 0 [pid 1282] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1281] close(7 [pid 313] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... unlink resumed>) = 0 [pid 1282] <... symlink resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] umount2("./191/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1282] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1281] close(8 [pid 313] getdents64(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1282] <... symlink resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1283 attached [pid 1282] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1281] close(9 [pid 313] close(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 190 [pid 1283] set_robust_list(0x55555bb49760, 24 [pid 1282] <... symlink resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./191/cgroup" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1283] <... set_robust_list resumed>) = 0 [pid 1282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1281] close(10 [pid 313] rmdir("./199/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1283] rt_sigprocmask(SIG_SETMASK, [] [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1282] <... openat resumed>) = 3 [pid 1281] close(11 [pid 1283] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] umount2("./199/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./191/cgroup" [pid 1283] chdir("./188" [pid 1282] write(3, "1000", 4 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1283] <... chdir resumed>) = 0 [pid 1282] <... write resumed>) = 4 [pid 1281] close(12 [pid 313] newfstatat(AT_FDCWD, "./199/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 1283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1282] close(3 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3 [pid 1283] <... prctl resumed>) = 0 [pid 1282] <... close resumed>) = 0 [pid 1281] close(13 [pid 313] unlink("./199/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1283] setpgid(0, 0 [pid 1282] symlink("/dev/binderfs", "./binderfs" [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] close(3 [pid 1283] <... setpgid resumed>) = 0 [pid 1281] close(14 [pid 313] umount2("./199/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1283] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1282] <... symlink resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 1283] <... symlink resumed>) = 0 [pid 1282] write(1, "executing program\n", 18 [pid 1281] close(15 executing program [pid 313] newfstatat(AT_FDCWD, "./199/cgroup.net" [pid 311] rmdir("./191" [pid 1283] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1282] <... write resumed>) = 18 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1281] close(16 [pid 313] unlink("./199/cgroup.net" [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1281] close(17 [pid 313] umount2("./199/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1283] <... symlink resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1283] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1282] mkdirat(AT_FDCWD, "./config", 0777 [pid 1281] close(18 [pid 313] newfstatat(AT_FDCWD, "./199/cgroup.cpu" [pid 311] mkdir("./192", 0777 [pid 1283] <... symlink resumed>) = 0 [pid 1282] <... mkdirat resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1282] mount(NULL, "./config", "configfs", 0, NULL [pid 1281] close(19 [pid 313] unlink("./199/cgroup.cpu" [pid 311] <... mkdir resumed>) = 0 [pid 1283] <... openat resumed>) = 3 [pid 1282] <... mount resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1283] write(3, "1000", 4 [pid 1282] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1281] close(20 [pid 313] umount2("./199/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1283] <... write resumed>) = 4 [pid 1282] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1283] close(3 [pid 1282] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1281] close(21 [pid 313] newfstatat(AT_FDCWD, "./199/cgroup" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1283] <... close resumed>) = 0 [pid 1282] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1281] close(22 [pid 313] unlink("./199/cgroup" [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1281] close(23 [pid 313] getdents64(3ci2-android-5-15/strace-static-x86_64: Process 1284 attached [pid 1283] symlink("/dev/binderfs", "./binderfs" [pid 1282] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1284] set_robust_list(0x55555bb49760, 24 [pid 1281] close(24 [pid 313] close(3 [pid 1284] <... set_robust_list resumed>) = 0 [pid 1283] <... symlink resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1284] rt_sigprocmask(SIG_SETMASK, [] [pid 1283] write(1, "executing program\n", 18 [pid 1282] <... mkdirat resumed>) = 0 [pid 1281] close(25 [pid 313] rmdir("./199" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 194 [pid 1284] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1283] <... write resumed>) = 18 [pid 1282] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1284] chdir("./192" [pid 1283] mkdirat(AT_FDCWD, "./config", 0777 [pid 1281] close(26 [pid 313] mkdir("./200", 0777 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1284] <... chdir resumed>) = 0 [pid 1283] <... mkdirat resumed>) = 0 [pid 1282] <... symlinkat resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1283] mount(NULL, "./config", "configfs", 0, NULL [pid 1282] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1281] close(27 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1284] <... prctl resumed>) = 0 executing program [pid 1283] <... mount resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1282] <... unlinkat resumed>) = 0 [pid 1284] setpgid(0, 0 [pid 1283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1282] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1281] close(28 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1284] <... setpgid resumed>) = 0 [pid 1283] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1282] <... unlinkat resumed>) = 0 [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1285 attached [pid 1284] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1282] close(3 [pid 1281] close(29 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 202 [pid 1285] set_robust_list(0x55555bb49760, 24 [pid 1284] <... symlink resumed>) = 0 [pid 1283] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1285] <... set_robust_list resumed>) = 0 [pid 1284] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1282] close(4 [pid 1281] exit_group(0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1285] rt_sigprocmask(SIG_SETMASK, [] [pid 1284] <... symlink resumed>) = 0 [pid 1281] <... exit_group resumed>) = ? [pid 1285] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1284] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1283] <... mkdirat resumed>) = 0 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1281] +++ exited with 0 +++ [pid 1285] chdir("./200" [pid 1284] <... symlink resumed>) = 0 [pid 1283] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1282] close(5 [pid 1285] <... chdir resumed>) = 0 [pid 1284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1284] <... openat resumed>) = 3 [pid 1283] <... symlinkat resumed>) = 0 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1284] write(3, "1000", 4 [pid 1285] <... prctl resumed>) = 0 [pid 1284] <... write resumed>) = 4 [pid 1283] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1282] close(6 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1285] setpgid(0, 0 [pid 1284] close(3 [pid 1283] <... unlinkat resumed>) = 0 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... setpgid resumed>) = 0 [pid 1284] <... close resumed>) = 0 [pid 1283] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1282] close(7 [pid 1285] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1284] symlink("/dev/binderfs", "./binderfs" [pid 1285] <... symlink resumed>) = 0 [pid 1284] <... symlink resumed>) = 0 [pid 1283] <... unlinkat resumed>) = 0 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1285] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1284] write(1, "executing program\n", 18 [pid 1283] close(3 [pid 1282] close(8 [pid 1285] <... symlink resumed>) = 0 [pid 1284] <... write resumed>) = 18 [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1284] mkdirat(AT_FDCWD, "./config", 0777 [pid 1283] close(4 [pid 1282] close(9 [pid 1285] <... symlink resumed>) = 0 [pid 1284] <... mkdirat resumed>) = 0 [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1284] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1283] close(5 [pid 1282] close(10 [pid 1285] <... openat resumed>) = 3 [pid 1284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] write(3, "1000", 4 [pid 1284] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1283] close(6 [pid 1282] close(11 [pid 1285] <... write resumed>) = 4 [pid 1284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1285] close(3 [pid 1284] <... mkdirat resumed>) = 0 [pid 1283] close(7 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1285] <... close resumed>) = 0 [pid 1284] <... symlinkat resumed>) = 0 [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] close(12 [pid 1285] symlink("/dev/binderfs", "./binderfs" [pid 1284] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1283] close(8 [pid 1285] <... symlink resumed>) = 0 [pid 1284] <... unlinkat resumed>) = 0 [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] write(1, "executing program\n", 18 [pid 1284] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1283] close(9 executing program [pid 1282] close(13 [pid 1285] <... write resumed>) = 18 [pid 1284] <... unlinkat resumed>) = 0 [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] close(3 [pid 1285] mkdirat(AT_FDCWD, "./config", 0777 [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] close(10 [pid 1282] close(14 [pid 1284] close(4 [pid 1285] <... mkdirat resumed>) = 0 [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] mount(NULL, "./config", "configfs", 0, NULL [pid 1284] close(5 [pid 1283] close(11 [pid 1282] close(15 [pid 1285] <... mount resumed>) = 0 [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1284] close(6 [pid 1283] close(12 [pid 1285] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] close(16 [pid 1285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1284] close(7 [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] close(13 [pid 1282] close(17 [pid 1285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1284] close(8 [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] close(9) = -1 EBADF (Bad file descriptor) [pid 1285] <... mkdirat resumed>) = 0 [pid 1284] close(10 [pid 1283] close(14 [pid 1285] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1282] close(18 [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... symlinkat resumed>) = 0 [pid 1284] close(11 [pid 1285] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] close(15 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... unlinkat resumed>) = 0 [pid 1284] close(12 [pid 1285] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] close(19 [pid 1284] close(13) = -1 EBADF (Bad file descriptor) [pid 1285] <... unlinkat resumed>) = 0 [pid 1284] close(14 [pid 1283] close(16 [pid 1285] close(3 [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] close(15 [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] close(20 [pid 1285] close(4 [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] close(17 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] close(16) = -1 EBADF (Bad file descriptor) [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] close(21 [pid 1285] close(5 [pid 1284] close(17 [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] close(18 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] close(6 [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] close(22 [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] close(18) = -1 EBADF (Bad file descriptor) [pid 1285] close(7 [pid 1284] close(19 [pid 1283] close(19 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] close(8 [pid 1284] close(20 [pid 1283] close(20 [pid 1282] close(23 [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] close(9 [pid 1284] close(21 [pid 1283] close(21 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] close(24 [pid 1285] close(10 [pid 1284] close(22 [pid 1283] close(22 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] close(23 [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] close(25 [pid 1285] close(11 [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] close(23 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] close(24 [pid 1285] close(12 [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] close(26 [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] close(25 [pid 1283] close(24 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] close(13 [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] close(26 [pid 1283] close(25 [pid 1282] close(27 [pid 1285] close(14 [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] close(27 [pid 1283] close(26 [pid 1282] close(28 [pid 1285] close(15 [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] close(28 [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] close(27 [pid 1282] close(29 [pid 1285] close(16 [pid 1284] close(29 [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1283] close(28 [pid 312] umount2("./197", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1284] exit_group(0 [pid 1282] exit_group(0 [pid 1285] close(17) = -1 EBADF (Bad file descriptor) [pid 1284] <... exit_group resumed>) = ? [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1285] close(18 [pid 1284] +++ exited with 0 +++ [pid 1283] close(29 [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1282] +++ exited with 0 +++ [pid 1283] exit_group(0 [pid 1285] close(19 [pid 1283] <... exit_group resumed>) = ? [pid 312] <... openat resumed>) = 3 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=191, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1283] +++ exited with 0 +++ [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1285] close(20 [pid 312] fstat(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1285] close(21 [pid 312] getdents64(3 [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1285] close(22 [pid 312] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] close(23 [pid 312] <... umount2 resumed>) = 0 [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1285] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./197/config" [pid 1285] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1285] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] close(27 [pid 312] openat(AT_FDCWD, "./197/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1285] close(28 [pid 312] <... openat resumed>) = 4 [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1285] close(29 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1285] exit_group(0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1285] <... exit_group resumed>) = ? [pid 312] getdents64(4 [pid 1285] +++ exited with 0 +++ [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] close(4 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... close resumed>) = 0 [pid 312] rmdir("./197/config") = 0 [pid 312] umount2("./197/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./197/binderfs") = 0 [pid 312] umount2("./197/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./197/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./197/cgroup.net") = 0 [pid 312] umount2("./197/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./197/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./197/cgroup.cpu") = 0 [pid 312] umount2("./197/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./197/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./197/cgroup") = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] close(3 [pid 311] <... restart_syscall resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 312] rmdir("./197" [pid 311] umount2("./192", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./198", 0777 [pid 311] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 312] <... mkdir resumed>) = 0 [pid 311] fstat(3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 311] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./192/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1286 attached [pid 311] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1286] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 200 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1286] <... set_robust_list resumed>) = 0 [pid 311] openat(AT_FDCWD, "./192/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1286] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... openat resumed>) = 4 [pid 1286] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] fstat(4 [pid 1286] chdir("./198" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1286] <... chdir resumed>) = 0 [pid 311] getdents64(4 [pid 1286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1286] <... prctl resumed>) = 0 [pid 311] getdents64(4 [pid 1286] setpgid(0, 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1286] <... setpgid resumed>) = 0 [pid 311] close(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1286] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] <... close resumed>) = 0 [pid 1286] <... symlink resumed>) = 0 [pid 311] rmdir("./192/config" [pid 1286] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./189", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./192/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1286] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1286] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./192/binderfs" [pid 310] <... openat resumed>) = 3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 311] unlink("./192/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1286] <... symlink resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 1286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] umount2("./192/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1286] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1286] write(3, "1000", 4 [pid 311] newfstatat(AT_FDCWD, "./192/cgroup.net" [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./188", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1286] <... write resumed>) = 4 [pid 313] umount2("./200", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1286] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./192/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1286] <... close resumed>) = 0 [pid 313] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./189/config" [pid 309] <... openat resumed>) = 3 [pid 1286] symlink("/dev/binderfs", "./binderfs" [pid 313] <... openat resumed>) = 3 [pid 311] umount2("./192/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 1286] <... symlink resumed>) = 0 [pid 313] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 310] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1286] write(1, "executing program\n", 18 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./192/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1286] <... write resumed>) = 18 [pid 313] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./189/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1286] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] unlink("./192/cgroup.cpu" [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1286] <... mkdirat resumed>) = 0 [pid 313] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = 0 [pid 1286] mount(NULL, "./config", "configfs", 0, NULL [pid 311] umount2("./192/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1286] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./192/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./188/config" [pid 1286] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] newfstatat(AT_FDCWD, "./200/config" [pid 311] unlink("./192/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./188/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1286] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./188/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./189/config" [pid 309] <... openat resumed>) = 4 [pid 1286] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 1286] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] openat(AT_FDCWD, "./200/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... close resumed>) = 0 [pid 310] umount2("./189/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] rmdir("./192" [pid 1286] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1286] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... openat resumed>) = 4 [pid 311] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./189/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1286] <... unlinkat resumed>) = 0 [pid 313] fstat(4 [pid 311] mkdir("./193", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1286] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] unlink("./189/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1286] <... unlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./189/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1286] close(3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./188/config"ci2-android-5-15/strace-static-x86_64: Process 1287 attached [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./189/cgroup.net" [pid 309] <... rmdir resumed>) = 0 [pid 1287] set_robust_list(0x55555bb49760, 24 [pid 1286] close(4 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 195 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./188/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1287] <... set_robust_list resumed>) = 0 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] unlink("./189/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1287] rt_sigprocmask(SIG_SETMASK, [] [pid 1286] close(5 [pid 313] <... close resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./188/binderfs" [pid 1287] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./200/config" [pid 310] umount2("./189/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1287] chdir("./193" [pid 1286] close(6 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./188/binderfs" [pid 1287] <... chdir resumed>) = 0 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./189/cgroup.cpu" [pid 309] <... unlink resumed>) = 0 [pid 1287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1286] close(7 [pid 313] umount2("./200/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./188/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1287] <... prctl resumed>) = 0 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./189/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1287] setpgid(0, 0 [pid 1286] close(8 [pid 313] newfstatat(AT_FDCWD, "./200/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./188/cgroup.net" [pid 1287] <... setpgid resumed>) = 0 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./189/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1287] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1286] close(9 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./188/cgroup.net" [pid 1287] <... symlink resumed>) = 0 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./200/binderfs" [pid 310] newfstatat(AT_FDCWD, "./189/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1287] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1286] close(10 [pid 313] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./188/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1287] <... symlink resumed>) = 0 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./189/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1287] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1286] close(11 [pid 313] umount2("./200/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./188/cgroup.cpu" [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1287] <... symlink resumed>) = 0 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] unlink("./188/cgroup.cpu" [pid 1287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1286] close(12 [pid 313] newfstatat(AT_FDCWD, "./200/cgroup.net" [pid 310] close(3 [pid 309] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./188/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1287] <... openat resumed>) = 3 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./189" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1287] write(3, "1000", 4 [pid 1286] close(13 [pid 310] <... rmdir resumed>) = 0 [pid 313] unlink("./200/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./188/cgroup" [pid 1287] <... write resumed>) = 4 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./190", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1287] close(3 [pid 1286] close(14 [pid 313] <... unlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] unlink("./188/cgroup" [pid 1287] <... close resumed>) = 0 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./200/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... unlink resumed>) = 0 [pid 1287] symlink("/dev/binderfs", "./binderfs" [pid 1286] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1287] <... symlink resumed>) = 0 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./200/cgroup.cpu" [pid 309] close(3ci2-android-5-15/strace-static-x86_64: Process 1288 attached [pid 1287] write(1, "executing program\n", 18 [pid 1286] close(16 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 192 [pid 309] <... close resumed>) = 0 executing program [pid 1288] set_robust_list(0x55555bb49760, 24 [pid 1287] <... write resumed>) = 18 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./200/cgroup.cpu" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./188" [pid 1288] <... set_robust_list resumed>) = 0 [pid 1287] mkdirat(AT_FDCWD, "./config", 0777 [pid 1286] close(17 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1288] rt_sigprocmask(SIG_SETMASK, [] [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] mkdir("./189", 0777 [pid 1288] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1287] <... mkdirat resumed>) = 0 [pid 1286] close(18 [pid 313] umount2("./200/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 1288] chdir("./190" [pid 1287] mount(NULL, "./config", "configfs", 0, NULL [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1288] <... chdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1287] <... mount resumed>) = 0 [pid 1286] close(19 [pid 313] newfstatat(AT_FDCWD, "./200/cgroup" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1289 attached [pid 1288] <... prctl resumed>) = 0 [pid 1287] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1286] close(20 [pid 313] unlink("./200/cgroup" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 191 [pid 1289] set_robust_list(0x55555bb49760, 24 [pid 1288] setpgid(0, 0 [pid 1287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1289] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1288] <... setpgid resumed>) = 0 [pid 1287] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1286] close(21 [pid 313] getdents64(3 [pid 1289] rt_sigprocmask(SIG_SETMASK, [] [pid 1288] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1289] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1288] <... symlink resumed>) = 0 [pid 1287] <... mkdirat resumed>) = 0 [pid 1286] close(22 [pid 313] close(3 [pid 1289] chdir("./189" [pid 1288] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] <... chdir resumed>) = 0 [pid 1287] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... close resumed>) = 0 [pid 1288] <... symlink resumed>) = 0 [pid 1286] close(23 [pid 313] rmdir("./200" [pid 1289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1287] <... symlinkat resumed>) = 0 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] <... prctl resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 1289] setpgid(0, 0 [pid 1288] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1287] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1286] close(24 [pid 313] mkdir("./201", 0777 [pid 1289] <... setpgid resumed>) = 0 [pid 1288] <... symlink resumed>) = 0 [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1286] close(25 [pid 313] <... mkdir resumed>) = 0 [pid 1289] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] <... unlinkat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1289] <... symlink resumed>) = 0 [pid 1286] close(26 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1289] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1287] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1289] <... symlink resumed>) = 0 [pid 1288] <... openat resumed>) = 3 [pid 1286] close(27ci2-android-5-15/strace-static-x86_64: Process 1290 attached [pid 1289] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] set_robust_list(0x55555bb49760, 24 [pid 1287] <... unlinkat resumed>) = 0 [pid 1290] <... set_robust_list resumed>) = 0 [pid 1289] <... symlink resumed>) = 0 [pid 1288] write(3, "1000", 4 [pid 1287] close(3 [pid 1286] close(28 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 203 [pid 1290] rt_sigprocmask(SIG_SETMASK, [] [pid 1289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... write resumed>) = 4 [pid 1290] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1290] chdir("./201" [pid 1289] <... openat resumed>) = 3 [pid 1288] close(3 [pid 1287] close(4 [pid 1286] close(29 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1290] <... chdir resumed>) = 0 [pid 1289] write(3, "1000", 4 [pid 1288] <... close resumed>) = 0 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1289] <... write resumed>) = 4 [pid 1288] symlink("/dev/binderfs", "./binderfs" [pid 1290] setpgid(0, 0 [pid 1289] close(3 [pid 1287] close(5 [pid 1286] exit_group(0 [pid 1290] <... setpgid resumed>) = 0 [pid 1290] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1289] <... close resumed>) = 0 [pid 1288] <... symlink resumed>) = 0 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1286] <... exit_group resumed>) = ? [pid 1290] <... symlink resumed>) = 0 [pid 1289] symlink("/dev/binderfs", "./binderfs" [pid 1288] write(1, "executing program\n", 18 [pid 1287] close(6 [pid 1290] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 1290] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 1286] +++ exited with 0 +++ executing program [pid 1290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1289] <... symlink resumed>) = 0 [pid 1288] <... write resumed>) = 18 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1290] write(3, "1000", 4 [pid 1289] write(1, "executing program\n", 18 [pid 1288] mkdirat(AT_FDCWD, "./config", 0777 [pid 1290] <... write resumed>) = 4 [pid 1289] <... write resumed>) = 18 [pid 1287] close(7 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1290] close(3) = 0 executing program [pid 1288] <... mkdirat resumed>) = 0 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] symlink("/dev/binderfs", "./binderfs" [pid 1289] mkdirat(AT_FDCWD, "./config", 0777 [pid 1288] mount(NULL, "./config", "configfs", 0, NULL [pid 1290] <... symlink resumed>) = 0 [pid 1287] close(8 [pid 1290] write(1, "executing program\n", 18 [pid 1289] <... mkdirat resumed>) = 0 [pid 1290] <... write resumed>) = 18 executing program [pid 1288] <... mount resumed>) = 0 [pid 1289] mount(NULL, "./config", "configfs", 0, NULL [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] mkdirat(AT_FDCWD, "./config", 0777 [pid 1288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1290] <... mkdirat resumed>) = 0 [pid 1289] <... mount resumed>) = 0 [pid 1287] close(9 [pid 1290] mount(NULL, "./config", "configfs", 0, NULL [pid 1289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1288] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... mount resumed>) = 0 [pid 1289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1287] close(10 [pid 1290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1290] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1288] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1287] close(11 [pid 1290] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 1288] <... mkdirat resumed>) = 0 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1288] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1287] close(12 [pid 1290] <... symlinkat resumed>) = 0 [pid 1289] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1290] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1288] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1289] <... symlinkat resumed>) = 0 [pid 1288] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1287] close(13 [pid 1290] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1289] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1290] close(3 [pid 1288] <... unlinkat resumed>) = 0 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1290] close(4 [pid 1288] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1289] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1287] close(14 [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] close(5 [pid 1288] <... unlinkat resumed>) = 0 [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1288] close(3 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] close(6 [pid 1289] close(3 [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] close(15 [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] close(4 [pid 1290] close(7 [pid 1289] close(4 [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] close(8) = -1 EBADF (Bad file descriptor) [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] close(5 [pid 1287] close(16 [pid 1290] close(9 [pid 1289] close(5 [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] close(6 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] close(10) = -1 EBADF (Bad file descriptor) [pid 1290] close(11) = -1 EBADF (Bad file descriptor) [pid 1289] close(6 [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] close(17 [pid 1290] close(12 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] close(7 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] close(7 [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] close(18 [pid 1290] close(13) = -1 EBADF (Bad file descriptor) [pid 1290] close(14 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] close(8 [pid 1289] close(8 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] close(15 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] close(19 [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] close(16 [pid 1289] close(9 [pid 1288] close(9 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] close(20 [pid 1290] close(17 [pid 1289] close(10 [pid 1288] close(10 [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] close(18 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] close(11 [pid 1288] close(11 [pid 1287] close(21 [pid 1290] close(19 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] close(20) = -1 EBADF (Bad file descriptor) [pid 1289] close(12 [pid 1288] close(12 [pid 1287] close(22 [pid 1290] close(21 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] close(13 [pid 1288] close(13 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] close(22) = -1 EBADF (Bad file descriptor) [pid 1290] close(23 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] close(23 [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] close(14 [pid 1288] close(14 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] close(24 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] close(15 [pid 1287] close(24 [pid 1288] close(15 [pid 1290] close(25 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] close(16 [pid 1288] close(16 [pid 1290] close(26 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] close(25 [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] close(17 [pid 1288] close(17 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] close(27 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] close(26 [pid 1290] close(28 [pid 1289] close(18 [pid 1288] close(18 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] close(27 [pid 1290] close(29 [pid 1289] close(19 [pid 1288] close(19 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] close(28 [pid 1290] exit_group(0 [pid 1289] close(20 [pid 1288] close(20 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1290] <... exit_group resumed>) = ? [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] close(29 [pid 312] <... restart_syscall resumed>) = 0 [pid 1290] +++ exited with 0 +++ [pid 1289] close(21 [pid 1288] close(21 [pid 1287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] exit_group(0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1289] close(22 [pid 1288] close(22 [pid 1287] <... exit_group resumed>) = ? [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1287] +++ exited with 0 +++ [pid 1289] close(23 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1288] close(23 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./198", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1289] close(24 [pid 1288] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] close(25 [pid 1288] close(25 [pid 312] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] close(26 [pid 312] <... openat resumed>) = 3 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] close(26 [pid 312] fstat(3 [pid 1289] close(27 [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1289] close(28 [pid 1288] close(27 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1289] close(29 [pid 1288] close(28 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1289] exit_group(0 [pid 1288] close(29) = -1 EBADF (Bad file descriptor) [pid 1289] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = 0 [pid 1288] exit_group(0 [pid 312] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1289] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1288] <... exit_group resumed>) = ? [pid 312] newfstatat(AT_FDCWD, "./198/config" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1288] +++ exited with 0 +++ [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./198/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... restart_syscall resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 312] fstat(4 [pid 310] umount2("./190", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(4 [pid 310] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... openat resumed>) = 3 [pid 312] getdents64(4 [pid 310] fstat(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] close(4 [pid 310] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... close resumed>) = 0 [pid 310] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./198/config" [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./198/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./190/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./198/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./190/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] unlink("./198/binderfs" [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 312] umount2("./198/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./189", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./198/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 309] <... openat resumed>) = 3 [pid 312] unlink("./198/cgroup.net" [pid 310] <... close resumed>) = 0 [pid 309] fstat(3 [pid 310] rmdir("./190/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 312] umount2("./198/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./190/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./190/binderfs" [pid 312] newfstatat(AT_FDCWD, "./198/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./190/binderfs" [pid 309] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./198/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./190/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./189/config" [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./198/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./190/cgroup.net" [pid 309] umount2("./189/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./198/cgroup" [pid 310] unlink("./190/cgroup.net" [pid 309] openat(AT_FDCWD, "./189/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 312] unlink("./198/cgroup" [pid 310] umount2("./190/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./190/cgroup.cpu" [pid 309] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] close(3 [pid 310] unlink("./190/cgroup.cpu" [pid 309] getdents64(4 [pid 312] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] rmdir("./198" [pid 310] umount2("./190/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./190/cgroup" [pid 311] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./189/config" [pid 312] mkdir("./199", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 310] unlink("./190/cgroup" [pid 309] umount2("./189/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./193", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./189/binderfs" [pid 313] umount2("./201", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 3 [pid 310] close(3 [pid 309] unlink("./189/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1291 attached [pid 311] fstat(3 [pid 310] <... close resumed>) = 0 [pid 313] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1291] set_robust_list(0x55555bb49760, 24 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] rmdir("./190" [pid 309] umount2("./189/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1291] <... set_robust_list resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 201 [pid 311] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1291] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] mkdir("./191", 0777 [pid 309] newfstatat(AT_FDCWD, "./189/cgroup.net" [pid 1291] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] fstat(3 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1291] chdir("./199" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./189/cgroup.net" [pid 1291] <... chdir resumed>) = 0 [pid 313] getdents64(3 [pid 311] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./189/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1292 attached [pid 1291] <... prctl resumed>) = 0 [pid 313] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./193/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1292] set_robust_list(0x55555bb49760, 24 [pid 1291] setpgid(0, 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 193 [pid 309] newfstatat(AT_FDCWD, "./189/cgroup.cpu" [pid 1292] <... set_robust_list resumed>) = 0 [pid 1291] <... setpgid resumed>) = 0 [pid 313] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1292] rt_sigprocmask(SIG_SETMASK, [] [pid 1291] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./189/cgroup.cpu" [pid 1292] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1291] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./201/config" [pid 311] openat(AT_FDCWD, "./193/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1292] chdir("./191" [pid 1291] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 309] umount2("./189/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1292] <... chdir resumed>) = 0 [pid 1291] <... symlink resumed>) = 0 [pid 313] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1291] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./189/cgroup" [pid 1292] <... prctl resumed>) = 0 [pid 1291] <... symlink resumed>) = 0 [pid 313] openat(AT_FDCWD, "./201/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1292] setpgid(0, 0 [pid 1291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... openat resumed>) = 4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./189/cgroup" [pid 1292] <... setpgid resumed>) = 0 [pid 1291] <... openat resumed>) = 3 [pid 313] fstat(4 [pid 311] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 1291] write(3, "1000", 4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 1292] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1291] <... write resumed>) = 4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] close(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1292] <... symlink resumed>) = 0 [pid 1291] close(3 [pid 313] getdents64(4 [pid 311] <... close resumed>) = 0 [pid 309] close(3 [pid 1292] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1291] <... close resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] rmdir("./193/config" [pid 309] <... close resumed>) = 0 [pid 1292] <... symlink resumed>) = 0 [pid 1291] symlink("/dev/binderfs", "./binderfs" [pid 313] getdents64(4 [pid 311] <... rmdir resumed>) = 0 [pid 309] rmdir("./189" [pid 1292] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1291] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] umount2("./193/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1292] <... symlink resumed>) = 0 [pid 1291] write(1, "executing program\n", 18 executing program [pid 313] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./190", 0777 [pid 1292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1291] <... write resumed>) = 18 [pid 313] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./193/binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 1292] <... openat resumed>) = 3 [pid 1291] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] rmdir("./201/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1292] write(3, "1000", 4 [pid 1291] <... mkdirat resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 311] unlink("./193/binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1292] <... write resumed>) = 4 [pid 1291] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./201/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1292] close(3 [pid 1291] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./193/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1293 attached [pid 1292] <... close resumed>) = 0 [pid 1291] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] newfstatat(AT_FDCWD, "./201/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 192 [pid 1293] set_robust_list(0x55555bb49760, 24 [pid 1292] symlink("/dev/binderfs", "./binderfs" [pid 1291] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./193/cgroup.net" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1293] <... set_robust_list resumed>) = 0 [pid 1292] <... symlink resumed>) = 0 [pid 1291] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] unlink("./201/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1293] rt_sigprocmask(SIG_SETMASK, [] [pid 1292] write(1, "executing program\n", 18 [pid 1291] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 311] unlink("./193/cgroup.net" [pid 313] <... unlink resumed>) = 0 [pid 1293] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1292] <... write resumed>) = 18 [pid 1291] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] umount2("./201/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 1293] chdir("./190" [pid 1292] mkdirat(AT_FDCWD, "./config", 0777 [pid 1291] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./193/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1293] <... chdir resumed>) = 0 [pid 1292] <... mkdirat resumed>) = 0 [pid 1291] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] newfstatat(AT_FDCWD, "./201/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1292] mount(NULL, "./config", "configfs", 0, NULL [pid 1291] <... symlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./193/cgroup.cpu" [pid 1293] <... prctl resumed>) = 0 [pid 1292] <... mount resumed>) = 0 [pid 1291] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] unlink("./201/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1293] setpgid(0, 0 [pid 1292] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1291] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] unlink("./193/cgroup.cpu" [pid 1293] <... setpgid resumed>) = 0 [pid 1292] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1291] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] umount2("./201/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 1293] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1292] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1291] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./193/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1291] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1293] <... symlink resumed>) = 0 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./193/cgroup" [pid 1293] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1292] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1291] close(4 [pid 313] newfstatat(AT_FDCWD, "./201/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1293] <... symlink resumed>) = 0 [pid 1292] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./193/cgroup" [pid 1291] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1291] close(6 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 1291] close(7 [pid 311] <... close resumed>) = 0 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./193" [pid 1293] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1292] <... mkdirat resumed>) = 0 [pid 1291] close(8 [pid 313] unlink("./201/cgroup.cpu" [pid 311] <... rmdir resumed>) = 0 [pid 1293] <... symlink resumed>) = 0 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] mkdir("./194", 0777 [pid 313] <... unlink resumed>) = 0 [pid 1293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1292] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1291] close(9 [pid 313] umount2("./201/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... mkdir resumed>) = 0 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1293] <... openat resumed>) = 3 [pid 1291] close(10 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1292] <... symlinkat resumed>) = 0 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1294 attached [pid 1293] write(3, "1000", 4 [pid 1292] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1291] close(11 [pid 313] newfstatat(AT_FDCWD, "./201/cgroup" [pid 1294] set_robust_list(0x55555bb49760, 24 [pid 1293] <... write resumed>) = 4 [pid 1292] <... unlinkat resumed>) = 0 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 196 [pid 1294] <... set_robust_list resumed>) = 0 [pid 1293] close(3 [pid 1292] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1291] close(12 [pid 313] unlink("./201/cgroup" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1294] rt_sigprocmask(SIG_SETMASK, [] [pid 1293] <... close resumed>) = 0 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1292] <... unlinkat resumed>) = 0 [pid 1291] close(13 [pid 313] <... unlink resumed>) = 0 [pid 1294] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1293] symlink("/dev/binderfs", "./binderfs" [pid 1292] close(3 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1294] chdir("./194" [pid 1291] close(14) = -1 EBADF (Bad file descriptor) [pid 1293] <... symlink resumed>) = 0 [pid 1291] close(15 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 executing program [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1294] <... chdir resumed>) = 0 [pid 1293] write(1, "executing program\n", 18 [pid 1292] close(4 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1293] <... write resumed>) = 18 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1291] close(16 [pid 1294] <... prctl resumed>) = 0 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1294] setpgid(0, 0 [pid 1293] mkdirat(AT_FDCWD, "./config", 0777 [pid 1292] close(5 [pid 1291] close(17 [pid 313] rmdir("./201" [pid 1294] <... setpgid resumed>) = 0 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1293] <... mkdirat resumed>) = 0 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1291] close(18 [pid 313] <... rmdir resumed>) = 0 [pid 1294] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1293] mount(NULL, "./config", "configfs", 0, NULL [pid 1292] close(6 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./202", 0777 [pid 1294] <... symlink resumed>) = 0 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1291] close(19 [pid 1293] <... mount resumed>) = 0 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1294] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1292] close(7 [pid 1293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1291] close(20 [pid 313] <... mkdir resumed>) = 0 [pid 1294] <... symlink resumed>) = 0 [pid 1293] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1294] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1292] close(8 [pid 1291] close(21 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1294] <... symlink resumed>) = 0 [pid 1293] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1292] close(9 [pid 1291] close(22) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1291] close(23) = -1 EBADF (Bad file descriptor) [pid 1294] <... openat resumed>) = 3 [pid 1291] close(24) = -1 EBADF (Bad file descriptor) [pid 1291] close(25 [pid 1293] <... mkdirat resumed>) = 0 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1291] close(26) = -1 EBADF (Bad file descriptor) [pid 1291] close(27) = -1 EBADF (Bad file descriptor) [pid 1291] close(28) = -1 EBADF (Bad file descriptor) [pid 1291] close(29ci2-android-5-15/strace-static-x86_64: Process 1295 attached [pid 1294] write(3, "1000", 4 [pid 1293] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1292] close(10 [pid 1291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] set_robust_list(0x55555bb49760, 24 [pid 1294] <... write resumed>) = 4 [pid 1293] <... symlinkat resumed>) = 0 [pid 1291] exit_group(0 [pid 1295] <... set_robust_list resumed>) = 0 [pid 1293] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1294] close(3 [pid 1291] <... exit_group resumed>) = ? [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 204 [pid 1295] rt_sigprocmask(SIG_SETMASK, [] [pid 1294] <... close resumed>) = 0 [pid 1293] <... unlinkat resumed>) = 0 [pid 1292] close(11 [pid 1291] +++ exited with 0 +++ [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1295] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1294] symlink("/dev/binderfs", "./binderfs" [pid 1293] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1295] chdir("./202" [pid 1294] <... symlink resumed>) = 0 [pid 1295] <... chdir resumed>) = 0 [pid 1295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1293] <... unlinkat resumed>) = 0 [pid 1292] close(12 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1294] write(1, "executing program\n", 18 executing program [pid 1295] setpgid(0, 0 [pid 1293] close(3 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1294] <... write resumed>) = 18 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1295] <... setpgid resumed>) = 0 [pid 1293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1292] close(13 [pid 1295] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 1294] mkdirat(AT_FDCWD, "./config", 0777 [pid 1293] close(4 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 1294] <... mkdirat resumed>) = 0 [pid 1293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1292] close(14 [pid 1295] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1294] mount(NULL, "./config", "configfs", 0, NULL [pid 1293] close(5 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] <... symlink resumed>) = 0 [pid 1295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1294] <... mount resumed>) = 0 [pid 1293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1292] close(15 [pid 1295] <... openat resumed>) = 3 [pid 1294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1293] close(6 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] write(3, "1000", 4) = 4 [pid 1294] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1292] close(16 [pid 1295] close(3 [pid 1294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1293] close(7 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] <... close resumed>) = 0 [pid 1294] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1292] close(17 [pid 312] <... restart_syscall resumed>) = 0 [pid 1295] symlink("/dev/binderfs", "./binderfs" [pid 1294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1293] close(8 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] <... symlink resumed>) = 0 [pid 1295] write(1, "executing program\n", 18) = 18 executing program [pid 1295] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1294] <... mkdirat resumed>) = 0 [pid 1293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1292] close(18 [pid 1295] mount(NULL, "./config", "configfs", 0, NULL [pid 1294] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1293] close(9 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] <... mount resumed>) = 0 [pid 312] umount2("./199", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1294] <... symlinkat resumed>) = 0 [pid 1293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1292] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1294] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1293] close(10 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1295] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1294] <... unlinkat resumed>) = 0 [pid 1293] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 49.917503][ T1295] ================================================================== [ 49.925703][ T1295] BUG: KASAN: use-after-free in config_item_get+0x27/0x90 [ 49.932877][ T1295] Write of size 4 at addr ffff88811b4ac41c by task syz-executor323/1295 [ 49.941210][ T1295] [ 49.943551][ T1295] CPU: 0 PID: 1295 Comm: syz-executor323 Not tainted syzkaller #0 [ 49.951353][ T1295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 49.961526][ T1295] Call Trace: [ 49.964984][ T1295] [ 49.967945][ T1295] __dump_stack+0x21/0x30 [ 49.972374][ T1295] dump_stack_lvl+0x110/0x170 [ 49.977052][ T1295] ? show_regs_print_info+0x20/0x20 [ 49.982251][ T1295] ? load_image+0x3f0/0x3f0 [ 49.986762][ T1295] print_address_description+0x7f/0x2c0 [ 49.992401][ T1295] ? config_item_get+0x27/0x90 [ 49.997184][ T1295] kasan_report+0x10f/0x150 [ 50.001689][ T1295] ? config_item_get+0x27/0x90 [ 50.006475][ T1295] kasan_check_range+0x249/0x2a0 [ 50.011421][ T1295] __kasan_check_write+0x14/0x20 [ 50.016371][ T1295] config_item_get+0x27/0x90 [ 50.020964][ T1295] configfs_symlink+0x44f/0x1330 [ 50.025934][ T1295] ? selinux_determine_inode_label+0x3e0/0x3e0 [ 50.032089][ T1295] ? from_kgid+0x14f/0x6a0 [ 50.036513][ T1295] ? make_kgid+0x650/0x650 [ 50.040936][ T1295] ? detach_groups+0x2e0/0x2e0 [ 50.045701][ T1295] ? selinux_inode_symlink+0x22/0x30 [ 50.051092][ T1295] ? security_inode_symlink+0xba/0x100 [ 50.056644][ T1295] vfs_symlink+0x29e/0x470 [ 50.061066][ T1295] do_symlinkat+0x24a/0x5d0 [ 50.065575][ T1295] __x64_sys_symlinkat+0x99/0xb0 [ 50.070517][ T1295] x64_sys_call+0x74b/0x9a0 [ 50.075029][ T1295] do_syscall_64+0x4c/0xa0 [ 50.079449][ T1295] ? clear_bhb_loop+0x50/0xa0 [ 50.084130][ T1295] ? clear_bhb_loop+0x50/0xa0 [ 50.088812][ T1295] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 50.094728][ T1295] RIP: 0033:0x7f599dde0d99 [ 50.099146][ T1295] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 50.118761][ T1295] RSP: 002b:00007fff7fd55d08 EFLAGS: 00000246 ORIG_RAX: 000000000000010a [ 50.127477][ T1295] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f599dde0d99 [ 50.135447][ T1295] RDX: 0000200000000340 RSI: 00000000ffffff9c RDI: 0000200000000300 [ 50.143413][ T1295] RBP: 0000000000000000 R08: 00007fff7fd55d3c R09: 00007fff7fd55d3c [ 50.151390][ T1295] R10: 00007fff7fd55d3c R11: 0000000000000246 R12: 00007fff7fd55d3c [ 50.159369][ T1295] R13: 00007fff7fd55d50 R14: 00007fff7fd55d90 R15: 00000000000000ca [ 50.167345][ T1295] [ 50.170367][ T1295] [ 50.172697][ T1295] Allocated by task 1294: [ 50.177023][ T1295] __kasan_kmalloc+0xd4/0x100 [ 50.181696][ T1295] kmem_cache_alloc_trace+0x119/0x270 [ 50.187073][ T1295] afunc_alloc_inst+0x4c/0x560 [ 50.191832][ T1295] usb_get_function_instance+0xe2/0x2f0 [ 50.197378][ T1295] function_make+0x118/0x350 [ 50.201966][ T1295] configfs_mkdir+0x50a/0x9c0 [ 50.206658][ T1295] vfs_mkdir+0x38b/0x590 [ 50.210894][ T1295] do_mkdirat+0x174/0x4d0 [ 50.215230][ T1295] __x64_sys_mkdirat+0x89/0xa0 [ 50.219990][ T1295] x64_sys_call+0x37e/0x9a0 [ 50.224494][ T1295] do_syscall_64+0x4c/0xa0 [ 50.228915][ T1295] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 50.234810][ T1295] [ 50.237128][ T1295] Freed by task 1294: [ 50.241099][ T1295] kasan_set_track+0x4a/0x70 [ 50.245694][ T1295] kasan_set_free_info+0x23/0x40 [ 50.250628][ T1295] ____kasan_slab_free+0x125/0x160 [ 50.255745][ T1295] __kasan_slab_free+0x11/0x20 [ 50.260510][ T1295] slab_free_freelist_hook+0xc2/0x190 [ 50.265886][ T1295] kfree+0xc4/0x270 [ 50.269702][ T1295] afunc_free_inst+0x15/0x20 [ 50.274294][ T1295] usb_put_function_instance+0x85/0xa0 [ 50.279750][ T1295] f_uac2_attr_release+0x15/0x20 [ 50.284687][ T1295] config_item_put+0x158/0x210 [ 50.289445][ T1295] configfs_rmdir+0x89f/0x960 [ 50.294122][ T1295] vfs_rmdir+0x1ae/0x450 [ 50.298363][ T1295] do_rmdir+0x261/0x6b0 [ 50.302544][ T1295] __x64_sys_unlinkat+0xc7/0xf0 [ 50.307419][ T1295] x64_sys_call+0x4c0/0x9a0 [ 50.311923][ T1295] do_syscall_64+0x4c/0xa0 [ 50.316339][ T1295] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 50.322227][ T1295] [ 50.324559][ T1295] The buggy address belongs to the object at ffff88811b4ac400 [ 50.324559][ T1295] which belongs to the cache kmalloc-512 of size 512 [ 50.338604][ T1295] The buggy address is located 28 bytes inside of [ 50.338604][ T1295] 512-byte region [ffff88811b4ac400, ffff88811b4ac600) [ 50.351797][ T1295] The buggy address belongs to the page: [ 50.357448][ T1295] page:ffffea00046d2b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11b4ac [ 50.367685][ T1295] head:ffffea00046d2b00 order:2 compound_mapcount:0 compound_pincount:0 [ 50.376032][ T1295] flags: 0x4000000000010200(slab|head|zone=1) [ 50.382210][ T1295] raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100042f00 [ 50.390812][ T1295] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 50.399408][ T1295] page dumped because: kasan: bad access detected [ 50.405835][ T1295] page_owner tracks the page as allocated [ 50.411659][ T1295] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 140, ts 6977440412, free_ts 0 [ 50.429725][ T1295] post_alloc_hook+0x192/0x1b0 [ 50.434500][ T1295] prep_new_page+0x1c/0x110 [ 50.438999][ T1295] get_page_from_freelist+0x2c3a/0x2cd0 [ 50.444557][ T1295] __alloc_pages+0x1a2/0x460 [ 50.449235][ T1295] new_slab+0xa0/0x4d0 [ 50.453354][ T1295] ___slab_alloc+0x3ac/0x840 [ 50.457955][ T1295] __slab_alloc+0x49/0x90 [ 50.462297][ T1295] __kmalloc_track_caller+0x169/0x2c0 [ 50.467679][ T1295] __alloc_skb+0x210/0x730 [ 50.472200][ T1295] alloc_skb_with_frags+0xa8/0x620 [ 50.477313][ T1295] sock_alloc_send_pskb+0x87f/0x9a0 [ 50.482511][ T1295] unix_dgram_sendmsg+0x6f3/0x19b0 [ 50.487632][ T1295] __sys_sendto+0x46d/0x620 [ 50.492143][ T1295] __x64_sys_sendto+0xe5/0x100 [ 50.496935][ T1295] x64_sys_call+0x178/0x9a0 [ 50.501460][ T1295] do_syscall_64+0x4c/0xa0 [ 50.505888][ T1295] page_owner free stack trace missing [ 50.511254][ T1295] [ 50.513604][ T1295] Memory state around the buggy address: [ 50.519230][ T1295] ffff88811b4ac300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 50.527314][ T1295] ffff88811b4ac380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 50.535388][ T1295] >ffff88811b4ac400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 50.543447][ T1295] ^ [ 50.548306][ T1295] ffff88811b4ac480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 50.556368][ T1295] ffff88811b4ac500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 50.564418][ T1295] ================================================================== [ 50.572469][ T1295] Disabling lock debugging due to kernel taint [ 50.578732][ T1295] ------------[ cut here ]------------ [ 50.584188][ T1295] refcount_t: addition on 0; use-after-free. [ 50.590262][ T1295] WARNING: CPU: 0 PID: 1295 at lib/refcount.c:25 refcount_warn_saturate+0x104/0x1a0 [ 50.599658][ T1295] Modules linked in: [ 50.603580][ T1295] CPU: 0 PID: 1295 Comm: syz-executor323 Tainted: G B syzkaller #0 [ 50.612796][ T1295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 50.622875][ T1295] RIP: 0010:refcount_warn_saturate+0x104/0x1a0 [ 50.629051][ T1295] Code: 04 01 48 c7 c7 80 47 63 85 e8 c8 47 5a 02 0f 0b eb df e8 5f 80 19 ff c6 05 1b ea 95 04 01 48 c7 c7 c0 46 63 85 e8 ac 47 5a 02 <0f> 0b eb c3 e8 43 80 19 ff c6 05 00 ea 95 04 01 48 c7 c7 20 47 63 [ 50.648693][ T1295] RSP: 0018:ffffc900022b7c58 EFLAGS: 00010246 [ 50.654775][ T1295] RAX: 4e6f7a85674f4700 RBX: 0000000000000002 RCX: ffff88811933cf00 [ 50.662863][ T1295] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 50.670863][ T1295] RBP: ffffc900022b7c68 R08: ffffc900022b76c7 R09: 1ffff92000456ed8 [ 50.678875][ T1295] R10: dffffc0000000000 R11: fffff52000456ed9 R12: ffff88811dcb9378 [ 50.686852][ T1295] R13: dffffc0000000000 R14: 0000000000000002 R15: 0000000000000000 [ 50.694836][ T1295] FS: 000055555bb49480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 50.703791][ T1295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.710392][ T1295] CR2: 0000200000000000 CR3: 000000010dfff000 CR4: 00000000003506b0 [ 50.718392][ T1295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.726368][ T1295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.734355][ T1295] Call Trace: [ 50.737662][ T1295] [ 50.740605][ T1295] config_item_get+0x8c/0x90 [ 50.745209][ T1295] configfs_symlink+0x44f/0x1330 [ 50.750163][ T1295] ? selinux_determine_inode_label+0x3e0/0x3e0 [ 50.756340][ T1295] ? from_kgid+0x14f/0x6a0 [ 50.760779][ T1295] ? make_kgid+0x650/0x650 [ 50.765204][ T1295] ? detach_groups+0x2e0/0x2e0 [ 50.770076][ T1295] ? selinux_inode_symlink+0x22/0x30 [ 50.775370][ T1295] ? security_inode_symlink+0xba/0x100 [ 50.780843][ T1295] vfs_symlink+0x29e/0x470 [ 50.785387][ T1295] do_symlinkat+0x24a/0x5d0 [ 50.789907][ T1295] __x64_sys_symlinkat+0x99/0xb0 [ 50.794853][ T1295] x64_sys_call+0x74b/0x9a0 [ 50.799415][ T1295] do_syscall_64+0x4c/0xa0 [ 50.803860][ T1295] ? clear_bhb_loop+0x50/0xa0 [ 50.808551][ T1295] ? clear_bhb_loop+0x50/0xa0 [ 50.813239][ T1295] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 50.819156][ T1295] RIP: 0033:0x7f599dde0d99 [ 50.823591][ T1295] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 50.843213][ T1295] RSP: 002b:00007fff7fd55d08 EFLAGS: 00000246 ORIG_RAX: 000000000000010a [ 50.851653][ T1295] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f599dde0d99 [ 50.859666][ T1295] RDX: 0000200000000340 RSI: 00000000ffffff9c RDI: 0000200000000300 [pid 1292] close(20 [pid 1295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1294] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1293] close(11 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1295] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1295] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1292] close(21 [pid 312] fstat(3 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1292] close(22) = -1 EBADF (Bad file descriptor) [pid 1292] close(23) = -1 EBADF (Bad file descriptor) [pid 1292] close(24) = -1 EBADF (Bad file descriptor) [pid 1292] close(25) = -1 EBADF (Bad file descriptor) [pid 1292] close(26) = -1 EBADF (Bad file descriptor) [pid 1292] close(27) = -1 EBADF (Bad file descriptor) [ 50.867680][ T1295] RBP: 0000000000000000 R08: 00007fff7fd55d3c R09: 00007fff7fd55d3c [ 50.875752][ T1295] R10: 00007fff7fd55d3c R11: 0000000000000246 R12: 00007fff7fd55d3c [ 50.883824][ T1295] R13: 00007fff7fd55d50 R14: 00007fff7fd55d90 R15: 00000000000000ca [ 50.891824][ T1295] [ 50.894865][ T1295] ---[ end trace 23597a9df383f8ae ]--- [ 50.900978][ T1295] ------------[ cut here ]------------ [ 50.906488][ T1295] refcount_t: underflow; use-after-free. [pid 1292] close(28 [pid 1293] close(12 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1292] close(29) = -1 EBADF (Bad file descriptor) [pid 1292] exit_group(0) = ? [pid 1292] +++ exited with 0 +++ [ 50.913510][ T1295] WARNING: CPU: 0 PID: 1295 at lib/refcount.c:28 refcount_warn_saturate+0x120/0x1a0 [ 50.914374][ T30] kauditd_printk_skb: 20 callbacks suppressed [ 50.914413][ T30] audit: type=1400 audit(1785387221.411:94): avc: denied { read } for pid=83 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 50.925317][ T1295] Modules linked in: [pid 1294] <... unlinkat resumed>) = 0 [pid 1293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1294] close(3 [pid 1293] close(13 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./191", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1293] close(14) = -1 EBADF (Bad file descriptor) [pid 1293] close(15) = -1 EBADF (Bad file descriptor) [pid 1293] close(16) = -1 EBADF (Bad file descriptor) [ 50.933173][ T30] audit: type=1400 audit(1785387221.421:95): avc: denied { search } for pid=83 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 50.976073][ T1295] [ 50.978666][ T1295] CPU: 1 PID: 1295 Comm: syz-executor323 Tainted: G B W syzkaller #0 [ 50.985348][ T30] audit: type=1400 audit(1785387221.421:96): avc: denied { write } for pid=83 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 50.989246][ T1295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [pid 1293] close(17) = -1 EBADF (Bad file descriptor) [pid 1293] close(18) = -1 EBADF (Bad file descriptor) [pid 1293] close(19) = -1 EBADF (Bad file descriptor) [pid 1293] close(20) = -1 EBADF (Bad file descriptor) [pid 1293] close(21) = -1 EBADF (Bad file descriptor) [pid 1293] close(22) = -1 EBADF (Bad file descriptor) [pid 1293] close(23) = -1 EBADF (Bad file descriptor) [pid 1293] close(24) = -1 EBADF (Bad file descriptor) [pid 1293] close(25) = -1 EBADF (Bad file descriptor) [pid 1293] close(26) = -1 EBADF (Bad file descriptor) [pid 1293] close(27) = -1 EBADF (Bad file descriptor) [pid 1293] close(28) = -1 EBADF (Bad file descriptor) [pid 1293] close(29) = -1 EBADF (Bad file descriptor) [pid 1293] exit_group(0) = ? [pid 1293] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 51.009457][ T30] audit: type=1400 audit(1785387221.421:97): avc: denied { add_name } for pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 51.033677][ T1295] RIP: 0010:refcount_warn_saturate+0x120/0x1a0 [ 51.040524][ T30] audit: type=1400 audit(1785387221.421:98): avc: denied { create } for pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [pid 310] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... openat resumed>) = 3 [pid 312] <... umount2 resumed>) = 0 [pid 310] fstat(3 [pid 312] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [ 51.046850][ T1295] Code: 04 01 48 c7 c7 c0 46 63 85 e8 ac 47 5a 02 0f 0b eb c3 e8 43 80 19 ff c6 05 00 ea 95 04 01 48 c7 c7 20 47 63 85 e8 90 47 5a 02 <0f> 0b eb a7 e8 27 80 19 ff c6 05 e1 e9 95 04 01 48 c7 c7 60 46 63 [ 51.066636][ T30] audit: type=1400 audit(1785387221.421:99): avc: denied { append open } for pid=83 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 51.087382][ T1295] RSP: 0018:ffffc900022b7c38 EFLAGS: 00010246 [pid 1294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] umount2("./190", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1294] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1294] close(5 [pid 309] <... openat resumed>) = 3 [pid 1294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(3 [pid 1294] close(6 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1294] close(7 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1294] close(8) = -1 EBADF (Bad file descriptor) [pid 1294] close(9) = -1 EBADF (Bad file descriptor) [pid 1294] close(10) = -1 EBADF (Bad file descriptor) [pid 1294] close(11) = -1 EBADF (Bad file descriptor) [pid 1294] close(12) = -1 EBADF (Bad file descriptor) [pid 1294] close(13) = -1 EBADF (Bad file descriptor) [pid 1294] close(14) = -1 EBADF (Bad file descriptor) [pid 1294] close(15) = -1 EBADF (Bad file descriptor) [pid 1294] close(16) = -1 EBADF (Bad file descriptor) [pid 1294] close(17) = -1 EBADF (Bad file descriptor) [pid 1294] close(18) = -1 EBADF (Bad file descriptor) [pid 1294] close(19) = -1 EBADF (Bad file descriptor) [pid 1294] close(20) = -1 EBADF (Bad file descriptor) [pid 1294] close(21) = -1 EBADF (Bad file descriptor) [pid 1294] close(22) = -1 EBADF (Bad file descriptor) [pid 1294] close(23) = -1 EBADF (Bad file descriptor) [pid 1294] close(24) = -1 EBADF (Bad file descriptor) [pid 1294] close(25) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./199/config" [pid 1294] close(26) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1294] close(27) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1294] close(28) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1294] close(29) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./199/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1294] exit_group(0) = ? [pid 312] <... openat resumed>) = 4 [pid 1294] +++ exited with 0 +++ [pid 312] fstat(4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=98 /* 0.98 s */} --- [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] umount2("./194", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] close(4 [pid 311] <... openat resumed>) = 3 [pid 312] <... close resumed>) = 0 [pid 311] fstat(3 [pid 312] rmdir("./199/config" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] getdents64(3 [pid 312] umount2("./199/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./199/binderfs") = 0 [pid 312] umount2("./199/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./199/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./199/cgroup.net") = 0 [pid 312] umount2("./199/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./199/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./199/cgroup.cpu") = 0 [pid 312] umount2("./199/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./199/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./199/cgroup") = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] close(3) = 0 [pid 312] rmdir("./199") = 0 [pid 312] mkdir("./200", 0777) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bb49750) = 202 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1296 attached [pid 1296] set_robust_list(0x55555bb49760, 24) = 0 [pid 1296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1296] chdir("./200" [pid 311] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1296] <... chdir resumed>) = 0 [pid 311] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1296] <... prctl resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./194/config" [pid 310] newfstatat(AT_FDCWD, "./191/config" [pid 309] newfstatat(AT_FDCWD, "./190/config" [pid 1296] setpgid(0, 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1296] <... setpgid resumed>) = 0 [pid 311] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./190/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1296] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1296] <... symlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./194/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./191/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./190/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1296] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] <... openat resumed>) = 4 [pid 310] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 4 [pid 1296] <... symlink resumed>) = 0 [pid 311] fstat(4 [pid 310] fstat(4 [pid 309] fstat(4 [pid 1296] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1296] <... symlink resumed>) = 0 [pid 311] getdents64(4 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 1296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1296] <... openat resumed>) = 3 [pid 311] getdents64(4 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 1296] write(3, "1000", 4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1296] <... write resumed>) = 4 [pid 311] close(4 [pid 310] close(4 [pid 309] close(4 [pid 1296] close(3 [pid 311] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1296] <... close resumed>) = 0 [pid 311] rmdir("./194/config" [pid 310] rmdir("./191/config" [pid 309] rmdir("./190/config" [pid 1296] symlink("/dev/binderfs", "./binderfs" [pid 311] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1296] <... symlink resumed>) = 0 [pid 311] umount2("./194/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./191/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./190/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 1296] write(1, "executing program\n", 18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1296] <... write resumed>) = 18 [pid 311] newfstatat(AT_FDCWD, "./194/binderfs" [pid 310] newfstatat(AT_FDCWD, "./191/binderfs" [pid 309] newfstatat(AT_FDCWD, "./190/binderfs" [pid 1296] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1296] <... mkdirat resumed>) = 0 [pid 311] unlink("./194/binderfs" [ 51.108955][ T30] audit: type=1400 audit(1785387221.421:100): avc: denied { getattr } for pid=83 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 51.110805][ T1295] [ 51.140443][ T1295] RAX: 4e6f7a85674f4700 RBX: 0000000000000003 RCX: ffff88811933cf00 [ 51.148822][ T1295] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 51.157727][ T1295] RBP: ffffc900022b7c48 R08: ffffc900022b76a7 R09: 1ffff92000456ed4 [pid 310] unlink("./191/binderfs" [pid 309] unlink("./190/binderfs" [pid 1296] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1296] <... mount resumed>) = 0 [pid 311] umount2("./194/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./191/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./190/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1296] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] newfstatat(AT_FDCWD, "./194/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./191/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./190/cgroup.net" [pid 1296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1296] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] unlink("./194/cgroup.net" [pid 310] unlink("./191/cgroup.net" [pid 309] unlink("./190/cgroup.net" [pid 1296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1296] <... mkdirat resumed>) = 0 [pid 311] umount2("./194/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./191/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./190/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1296] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./194/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./191/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./190/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./194/cgroup.cpu" [pid 310] unlink("./191/cgroup.cpu" [pid 309] unlink("./190/cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 311] umount2("./194/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./191/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./190/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./194/cgroup" [pid 310] newfstatat(AT_FDCWD, "./191/cgroup" [pid 309] newfstatat(AT_FDCWD, "./190/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./191/cgroup") = 0 [pid 310] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./191") = 0 [pid 310] mkdir("./192", 0777) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1297 attached [pid 1297] set_robust_list(0x55555bb49760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 194 [pid 1297] <... set_robust_list resumed>) = 0 [pid 311] unlink("./194/cgroup" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1297] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1297] chdir("./192") = 0 [pid 1297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1297] setpgid(0, 0) = 0 [pid 1297] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 1297] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 1297] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 1297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 51.166219][ T1295] R10: dffffc0000000000 R11: fffff52000456ed5 R12: 00000000ffffffea [ 51.174557][ T1295] R13: dffffc0000000000 R14: 0000000000000003 R15: 00000000c0000000 [ 51.183124][ T1295] FS: 000055555bb49480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 51.192497][ T1295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.199309][ T1295] CR2: 00007f599de3f73c CR3: 000000010dfff000 CR4: 00000000003506a0 [ 51.207354][ T1295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.215525][ T1295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [pid 311] <... unlink resumed>) = 0 [pid 309] unlink("./190/cgroup" [pid 1297] write(3, "1000", 4) = 4 [pid 1297] close(3) = 0 [pid 1297] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1297] write(1, "executing program\n", 18 [pid 311] getdents64(3 [pid 1297] <... write resumed>) = 18 executing program [pid 309] <... unlink resumed>) = 0 [pid 1297] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1297] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 1297] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 1297] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] close(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... close resumed>) = 0 [pid 309] close(3 [pid 311] rmdir("./194") = 0 [pid 311] mkdir("./195", 0777) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./190" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bb49750) = 197 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1298 attached [pid 309] <... rmdir resumed>) = 0 [pid 1298] set_robust_list(0x55555bb49760, 24) = 0 [pid 1298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1298] chdir("./195" [pid 309] mkdir("./191", 0777 [pid 1298] <... chdir resumed>) = 0 [pid 1298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1298] setpgid(0, 0) = 0 [pid 1298] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 309] <... mkdir resumed>) = 0 [pid 1298] <... symlink resumed>) = 0 [pid 1298] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 1298] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1298] <... symlink resumed>) = 0 [pid 1298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1298] write(3, "1000", 4) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1298] close(3) = 0 [pid 1298] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1298] write(1, "executing program\n", 18) = 18 [pid 1298] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 1298] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 1298] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 1299 attached [pid 1299] set_robust_list(0x55555bb49760, 24) = 0 [ 51.223849][ T1295] Call Trace: [ 51.227241][ T1295] [ 51.230447][ T1295] config_item_put+0x200/0x210 [ 51.235298][ T1295] configfs_symlink+0x4a6/0x1330 [ 51.240502][ T1295] ? selinux_determine_inode_label+0x3e0/0x3e0 [ 51.246773][ T1295] ? from_kgid+0x14f/0x6a0 [ 51.251417][ T1295] ? make_kgid+0x650/0x650 [ 51.255978][ T1295] ? detach_groups+0x2e0/0x2e0 [ 51.260955][ T1295] ? selinux_inode_symlink+0x22/0x30 [ 51.266319][ T1295] ? security_inode_symlink+0xba/0x100 [pid 1299] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 193 [pid 1299] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1299] chdir("./191") = 0 [pid 1299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1299] setpgid(0, 0) = 0 [pid 1299] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 1299] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 1299] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 1299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1299] <... openat resumed>) = 3 [pid 1299] write(3, "1000", 4) = 4 [pid 1299] close(3) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1299] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1299] write(1, "executing program\n", 18) = 18 [pid 1299] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1299] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) executing program [ 51.273069][ T1295] vfs_symlink+0x29e/0x470 [ 51.278325][ T1295] do_symlinkat+0x24a/0x5d0 [ 51.283000][ T1295] __x64_sys_symlinkat+0x99/0xb0 [ 51.288041][ T1295] x64_sys_call+0x74b/0x9a0 [ 51.292571][ T1295] do_syscall_64+0x4c/0xa0 [ 51.297017][ T1295] ? clear_bhb_loop+0x50/0xa0 [ 51.301793][ T1295] ? clear_bhb_loop+0x50/0xa0 [ 51.306498][ T1295] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 51.312426][ T1295] RIP: 0033:0x7f599dde0d99 [ 51.316867][ T1295] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 51.336535][ T1295] RSP: 002b:00007fff7fd55d08 EFLAGS: 00000246 ORIG_RAX: 000000000000010a [ 51.345006][ T1295] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f599dde0d99 [ 51.353097][ T1295] RDX: 0000200000000340 RSI: 00000000ffffff9c RDI: 0000200000000300 [ 51.361231][ T1295] RBP: 0000000000000000 R08: 00007fff7fd55d3c R09: 00007fff7fd55d3c [pid 1299] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1295] <... symlinkat resumed>) = -1 EINVAL (Invalid argument) [pid 1299] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1298] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1297] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1296] <... symlinkat resumed>) = 0 [pid 1299] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1298] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1297] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1296] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1299] <... unlinkat resumed>) = 0 [pid 1298] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1297] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1296] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1295] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1298] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1297] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1296] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1299] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1298] <... unlinkat resumed>) = 0 [pid 1297] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1296] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1295] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1298] close(3 [pid 1297] close(3 [pid 1296] close(3 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(4 [pid 1297] close(4 [pid 1296] close(4 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1298] close(5 [pid 1297] close(5 [pid 1296] close(5 [pid 1299] close(3 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(6 [pid 1297] close(6 [pid 1296] close(6 [pid 1299] close(4 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(7 [pid 1297] close(7 [pid 1296] close(7 [pid 1299] close(5 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] close(3 [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(8 [pid 1297] close(8 [pid 1296] close(8 [pid 1299] close(6 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(9 [pid 1297] close(9 [pid 1296] close(9 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] close(7 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(10 [pid 1297] close(10 [pid 1296] close(10 [pid 1299] close(8 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] close(4 [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(11 [pid 1297] close(11 [pid 1296] close(11 [pid 1299] close(9 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(12 [pid 1297] close(12 [pid 1296] close(12 [pid 1299] close(10 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(13 [pid 1297] close(13 [pid 1296] close(13 [pid 1299] close(11 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] close(5 [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(14 [pid 1297] close(14 [pid 1296] close(14 [pid 1299] close(12 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(15 [pid 1297] close(15 [pid 1296] close(15 [pid 1299] close(13 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] close(6 [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(16 [pid 1297] close(16 [pid 1296] close(16 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] close(14 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(17 [pid 1297] close(17 [pid 1296] close(17 [pid 1295] close(7 [pid 1299] close(15 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(18 [pid 1297] close(18 [pid 1296] close(18 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] close(16 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] close(8 [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(19 [pid 1297] close(19 [pid 1296] close(19 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] close(17 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] close(9 [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(20 [pid 1297] close(20 [pid 1296] close(20 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] close(18 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] close(10 [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(21 [pid 1297] close(21 [pid 1296] close(21 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] close(19 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] close(11 [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(22 [pid 1297] close(22 [pid 1296] close(22 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] close(20 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] close(12 [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(23 [pid 1297] close(23 [pid 1296] close(23 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] close(21 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] close(13 [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(24 [pid 1297] close(24 [pid 1296] close(24 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] close(22 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] close(14 [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(25 [pid 1297] close(25 [pid 1296] close(25 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] close(23 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(26 [pid 1297] close(26 [pid 1296] close(26 [pid 1295] close(15 [pid 1299] close(24 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(27 [pid 1297] close(27 [pid 1296] close(27 [pid 1295] close(16 [pid 1299] close(25 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(28 [pid 1297] close(28 [pid 1296] close(28 [pid 1295] close(17 [pid 1299] close(26 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] close(29 [pid 1297] close(29 [pid 1296] close(29 [pid 1295] close(18 [pid 1299] close(27 [pid 1298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] exit_group(0 [pid 1297] exit_group(0 [pid 1296] exit_group(0 [pid 1295] close(19 [pid 1299] close(28 [pid 1298] <... exit_group resumed>) = ? [pid 1297] <... exit_group resumed>) = ? [pid 1296] <... exit_group resumed>) = ? [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1298] +++ exited with 0 +++ [pid 1297] +++ exited with 0 +++ [pid 1296] +++ exited with 0 +++ [pid 1295] close(20 [pid 1299] close(29 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] close(21 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1299] exit_group(0 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1299] <... exit_group resumed>) = ? [pid 1295] close(22 [pid 312] umount2("./200", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1299] +++ exited with 0 +++ [pid 312] fstat(3 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1295] close(23 [pid 312] getdents64(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1295] close(24 [pid 312] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1295] close(25 [pid 312] <... umount2 resumed>) = 0 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1295] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./200/config" [pid 1295] close(27 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1295] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./200/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1295] close(29 [pid 312] <... openat resumed>) = 4 [pid 1295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1295] exit_group(0 [pid 312] getdents64(4 [pid 1295] <... exit_group resumed>) = ? [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4) = 0 [pid 312] rmdir("./200/config") = 0 [pid 1295] +++ exited with 0 +++ [pid 312] umount2("./200/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=66 /* 0.66 s */} --- [pid 312] newfstatat(AT_FDCWD, "./200/binderfs" [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./200/binderfs") = 0 [pid 312] umount2("./200/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./200/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./200/cgroup.net") = 0 [pid 312] umount2("./200/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./200/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./200/cgroup.cpu" [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 312] umount2("./200/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./192", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./200/cgroup" [pid 311] umount2("./195", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 312] unlink("./200/cgroup" [pid 311] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 312] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] umount2("./202", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 311] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] fstat(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] close(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... openat resumed>) = 3 [pid 312] <... close resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = 0 [pid 313] fstat(3 [pid 312] rmdir("./200" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(3 [pid 312] mkdir("./201", 0777 [pid 311] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./192/config" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... mkdir resumed>) = 0 [pid 311] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./195/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./192/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1300 attached [pid 311] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] newfstatat(AT_FDCWD, "./202/config" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1300] set_robust_list(0x55555bb49760, 24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 203 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1300] <... set_robust_list resumed>) = 0 [pid 313] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] openat(AT_FDCWD, "./195/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./191", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1300] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1300] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] openat(AT_FDCWD, "./202/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] fstat(4 [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1300] chdir("./201" [pid 313] <... openat resumed>) = 4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] rmdir("./192/config" [pid 309] <... openat resumed>) = 3 [pid 1300] <... chdir resumed>) = 0 [pid 313] fstat(4 [pid 311] getdents64(4 [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 1300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./192/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1300] <... prctl resumed>) = 0 [pid 313] getdents64(4 [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1300] setpgid(0, 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./192/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1300] <... setpgid resumed>) = 0 [pid 313] getdents64(4 [pid 311] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1300] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./192/binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 1300] <... symlink resumed>) = 0 [pid 313] close(4 [pid 311] rmdir("./195/config" [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1300] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... close resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./192/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1300] <... symlink resumed>) = 0 [pid 313] rmdir("./202/config" [pid 311] umount2("./195/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./191/config" [pid 1300] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./192/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1300] <... symlink resumed>) = 0 [pid 313] umount2("./202/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./195/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./191/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./192/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1300] <... openat resumed>) = 3 [pid 313] newfstatat(AT_FDCWD, "./202/binderfs" [pid 311] unlink("./195/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./191/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1300] write(3, "1000", 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./192/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 1300] <... write resumed>) = 4 [pid 313] unlink("./202/binderfs" [pid 311] umount2("./195/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 1300] close(3 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./192/cgroup.cpu" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1300] <... close resumed>) = 0 [pid 313] umount2("./202/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./195/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1300] symlink("/dev/binderfs", "./binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./192/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1300] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./202/cgroup.net" [pid 311] unlink("./195/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 1300] write(1, "executing program\n", 18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 executing program [pid 310] umount2("./192/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1300] <... write resumed>) = 18 [pid 313] unlink("./202/cgroup.net" [pid 311] umount2("./195/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 1300] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./192/cgroup" [pid 309] <... close resumed>) = 0 [pid 1300] <... mkdirat resumed>) = 0 [pid 313] umount2("./202/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./195/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./191/config" [pid 1300] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./192/cgroup" [pid 309] <... rmdir resumed>) = 0 [pid 1300] <... mount resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./202/cgroup.cpu" [pid 311] unlink("./195/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./191/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [ 51.369407][ T1295] R10: 00007fff7fd55d3c R11: 0000000000000246 R12: 00007fff7fd55d3c [ 51.377399][ T1295] R13: 00007fff7fd55d50 R14: 00007fff7fd55d90 R15: 00000000000000ca [ 51.385464][ T1295] [ 51.388528][ T1295] ---[ end trace 23597a9df383f8af ]--- [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1300] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] unlink("./202/cgroup.cpu" [pid 311] umount2("./195/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./191/binderfs" [pid 1300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1300] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./202/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./195/cgroup" [pid 310] <... close resumed>) = 0 [pid 309] unlink("./191/binderfs" [pid 1300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./192" [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./191/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1300] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./202/cgroup" [pid 311] unlink("./195/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1300] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] mkdir("./193", 0777 [pid 309] newfstatat(AT_FDCWD, "./191/cgroup.net" [pid 1300] <... symlinkat resumed>) = 0 [pid 313] unlink("./202/cgroup" [pid 311] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1300] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] unlink("./191/cgroup.net" [pid 1300] <... unlinkat resumed>) = 0 [pid 313] getdents64(3 [pid 311] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... unlink resumed>) = 0 [pid 1300] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./191/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1300] <... unlinkat resumed>) = 0 [pid 313] close(3 [pid 311] rmdir("./195" [pid 1300] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./191/cgroup.cpu" [pid 313] <... close resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./191/cgroup.cpu") = 0 [pid 309] umount2("./191/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1301 attached [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./202" [pid 311] mkdir("./196", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1301] set_robust_list(0x55555bb49760, 24 [pid 1300] close(4 [pid 313] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./191/cgroup" [pid 1301] <... set_robust_list resumed>) = 0 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./203", 0777 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 195 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1301] rt_sigprocmask(SIG_SETMASK, [] [pid 1300] close(5 [pid 313] <... mkdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./191/cgroup" [pid 1301] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1301] chdir("./193" [pid 1300] close(6 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3 [pid 1301] <... chdir resumed>) = 0 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] close(3 [pid 1301] <... prctl resumed>) = 0 [pid 309] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1302 attached [pid 1301] setpgid(0, 0 [pid 1300] close(7 [pid 309] rmdir("./191" [pid 1302] set_robust_list(0x55555bb49760, 24 [pid 1301] <... setpgid resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1303 attached [pid 1302] <... set_robust_list resumed>) = 0 [pid 1301] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 198 [pid 309] mkdir("./192", 0777 [pid 1303] set_robust_list(0x55555bb49760, 24 [pid 1302] rt_sigprocmask(SIG_SETMASK, [] [pid 1301] <... symlink resumed>) = 0 [pid 1300] close(8 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 205 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 1303] <... set_robust_list resumed>) = 0 [pid 1302] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1301] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1303] rt_sigprocmask(SIG_SETMASK, [] [pid 1302] chdir("./196" [pid 1301] <... symlink resumed>) = 0 [pid 1300] close(9 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1303] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1302] <... chdir resumed>) = 0 [pid 1301] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1303] chdir("./203" [pid 1302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1301] <... symlink resumed>) = 0 [pid 1300] close(10ci2-android-5-15/strace-static-x86_64: Process 1304 attached [pid 1303] <... chdir resumed>) = 0 [pid 1302] <... prctl resumed>) = 0 [pid 1301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 194 [pid 1304] set_robust_list(0x55555bb49760, 24 [pid 1303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1302] setpgid(0, 0 [pid 1301] <... openat resumed>) = 3 [pid 1300] close(11 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1304] <... set_robust_list resumed>) = 0 [pid 1303] <... prctl resumed>) = 0 [pid 1302] <... setpgid resumed>) = 0 [pid 1301] write(3, "1000", 4 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1304] rt_sigprocmask(SIG_SETMASK, [] [pid 1303] setpgid(0, 0 [pid 1302] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1301] <... write resumed>) = 4 [pid 1300] close(12 [pid 1304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1303] <... setpgid resumed>) = 0 [pid 1302] <... symlink resumed>) = 0 [pid 1301] close(3 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] chdir("./192" [pid 1303] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1302] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1301] <... close resumed>) = 0 [pid 1304] <... chdir resumed>) = 0 [pid 1303] <... symlink resumed>) = 0 [pid 1301] symlink("/dev/binderfs", "./binderfs" [pid 1300] close(13 [pid 1304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1303] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1302] <... symlink resumed>) = 0 [pid 1301] <... symlink resumed>) = 0 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1304] <... prctl resumed>) = 0 [pid 1303] <... symlink resumed>) = 0 [pid 1302] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1301] write(1, "executing program\n", 18 [pid 1300] close(14 [pid 1304] setpgid(0, 0 [pid 1303] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1302] <... symlink resumed>) = 0 [pid 1301] <... write resumed>) = 18 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] <... setpgid resumed>) = 0 [pid 1303] <... symlink resumed>) = 0 [pid 1302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1301] mkdirat(AT_FDCWD, "./config", 0777 [pid 1300] close(15 [pid 1304] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1302] <... openat resumed>) = 3 [pid 1301] <... mkdirat resumed>) = 0 [pid 1303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] <... symlink resumed>) = 0 [pid 1301] mount(NULL, "./config", "configfs", 0, NULL [pid 1304] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1303] <... openat resumed>) = 3 [pid 1302] write(3, "1000", 4 [pid 1301] <... mount resumed>) = 0 [pid 1300] close(16 [pid 1304] <... symlink resumed>) = 0 [pid 1303] write(3, "1000", 4 [pid 1302] <... write resumed>) = 4 [pid 1301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1303] <... write resumed>) = 4 [pid 1302] close(3 [pid 1301] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1300] close(17 [pid 1304] <... symlink resumed>) = 0 [pid 1303] close(3 [pid 1301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1302] <... close resumed>) = 0 [pid 1304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1303] <... close resumed>) = 0 [pid 1302] symlink("/dev/binderfs", "./binderfs" [pid 1301] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] <... openat resumed>) = 3 [pid 1303] symlink("/dev/binderfs", "./binderfs" [pid 1302] <... symlink resumed>) = 0 [pid 1301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1300] close(18 [pid 1304] write(3, "1000", 4 [pid 1303] <... symlink resumed>) = 0 [pid 1302] write(1, "executing program\n", 18 [pid 1301] <... mkdirat resumed>) = 0 executing program [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] <... write resumed>) = 4 [pid 1303] write(1, "executing program\n", 18 [pid 1302] <... write resumed>) = 18 executing program [pid 1301] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1300] close(19 [pid 1304] close(3 [pid 1303] <... write resumed>) = 18 [pid 1302] mkdirat(AT_FDCWD, "./config", 0777 [pid 1301] <... symlinkat resumed>) = 0 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] <... close resumed>) = 0 [pid 1303] mkdirat(AT_FDCWD, "./config", 0777 [pid 1302] <... mkdirat resumed>) = 0 [pid 1301] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1300] close(20 [pid 1304] symlink("/dev/binderfs", "./binderfs" [pid 1303] <... mkdirat resumed>) = 0 [pid 1302] mount(NULL, "./config", "configfs", 0, NULL [pid 1301] <... unlinkat resumed>) = 0 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] <... symlink resumed>) = 0 [pid 1303] mount(NULL, "./config", "configfs", 0, NULL [pid 1302] <... mount resumed>) = 0 [pid 1301] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1300] close(21 [pid 1304] write(1, "executing program\n", 18 [pid 1303] <... mount resumed>) = 0 [pid 1302] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1301] <... unlinkat resumed>) = 0 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1304] <... write resumed>) = 18 [pid 1303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1302] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1301] close(3 [pid 1300] close(22 [pid 1304] mkdirat(AT_FDCWD, "./config", 0777 [pid 1303] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1302] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] <... mkdirat resumed>) = 0 [pid 1301] close(4 [pid 1302] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] mount(NULL, "./config", "configfs", 0, NULL [pid 1303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1302] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1300] close(23 [pid 1304] <... mount resumed>) = 0 [pid 1303] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1301] close(5 [pid 1304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1302] <... mkdirat resumed>) = 0 [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1303] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1302] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1301] close(6 [pid 1300] close(24 [pid 1304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1303] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1303] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1302] <... symlinkat resumed>) = 0 [pid 1301] close(7 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1303] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1302] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1300] close(25 [pid 1304] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1303] <... unlinkat resumed>) = 0 [pid 1302] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1301] close(8 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1303] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1302] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1300] close(26 [pid 1304] <... symlinkat resumed>) = 0 [pid 1303] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1302] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1301] close(9 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1303] close(3 [pid 1302] close(3 [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1300] close(27 [pid 1304] <... unlinkat resumed>) = 0 [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] close(10 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1303] close(4 [pid 1302] close(4 [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1300] close(28 [pid 1304] <... unlinkat resumed>) = 0 [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] close(11 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] close(3 [pid 1303] close(5 [pid 1302] close(5 [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1300] close(29 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] close(12 [pid 1300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] close(4 [pid 1303] close(6 [pid 1302] close(6 [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] close(13 [pid 1300] exit_group(0 [pid 1304] close(5 [pid 1303] close(7 [pid 1302] close(7 [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1300] <... exit_group resumed>) = ? [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] close(14) = -1 EBADF (Bad file descriptor) [pid 1301] close(15) = -1 EBADF (Bad file descriptor) [pid 1301] close(16) = -1 EBADF (Bad file descriptor) [pid 1300] +++ exited with 0 +++ [pid 1304] close(6 [pid 1303] close(8 [pid 1302] close(8 [pid 1301] close(17 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] close(7 [pid 1303] close(9 [pid 1302] close(9 [pid 1301] close(18 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1304] close(8 [pid 1303] close(10 [pid 1302] close(10 [pid 1301] close(19 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1304] close(9 [pid 1303] close(11 [pid 1302] close(11 [pid 1301] close(20 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] close(10 [pid 1303] close(12 [pid 1302] close(12 [pid 1301] close(21 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./201", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1304] close(11 [pid 1303] close(13 [pid 1302] close(13 [pid 1301] close(22 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1304] close(12 [pid 1303] close(14 [pid 1302] close(14 [pid 1301] close(23 [pid 312] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] close(13 [pid 1303] close(15 [pid 1302] close(15 [pid 1301] close(24 [pid 312] <... openat resumed>) = 3 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1304] close(14 [pid 1303] close(16 [pid 1302] close(16 [pid 1301] close(25 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] close(15 [pid 1303] close(17 [pid 1302] close(17 [pid 1301] close(26 [pid 312] getdents64(3 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1304] close(16 [pid 1303] close(18 [pid 1302] close(18 [pid 1301] close(27 [pid 312] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] close(17 [pid 1303] close(19 [pid 1302] close(19 [pid 1301] close(28 [pid 312] <... umount2 resumed>) = 0 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1304] close(18 [pid 1303] close(20 [pid 1302] close(20 [pid 1301] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./201/config" [pid 1304] close(19 [pid 1303] close(21 [pid 1302] close(21 [pid 1301] exit_group(0 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1301] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1304] close(20 [pid 1303] close(22 [pid 1302] close(22 [pid 1301] +++ exited with 0 +++ [pid 312] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1303] close(23 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] close(23 [pid 312] openat(AT_FDCWD, "./201/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1304] close(22 [pid 1303] close(24 [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] close(24 [pid 312] <... openat resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1304] close(23 [pid 1303] close(25 [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] close(25 [pid 1304] close(24 [pid 1303] close(26 [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] close(26 [pid 312] getdents64(4 [pid 1304] close(25 [pid 1303] close(27 [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] close(27 [pid 312] getdents64(4 [pid 1304] close(26 [pid 1303] close(28 [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] close(28 [pid 312] close(4 [pid 1304] close(27 [pid 1303] close(29 [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1302] close(29 [pid 312] <... close resumed>) = 0 [pid 1304] close(28) = -1 EBADF (Bad file descriptor) [pid 1303] exit_group(0 [pid 1302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./201/config" [pid 1304] close(29 [pid 1303] <... exit_group resumed>) = ? [pid 1302] exit_group(0 [pid 1304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1302] <... exit_group resumed>) = ? [pid 1304] exit_group(0 [pid 1303] +++ exited with 0 +++ [pid 1302] +++ exited with 0 +++ [pid 312] umount2("./201/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1304] <... exit_group resumed>) = ? [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1304] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] newfstatat(AT_FDCWD, "./201/binderfs" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] unlink("./201/binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... unlink resumed>) = 0 [pid 312] umount2("./201/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./201/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./201/cgroup.net") = 0 [pid 312] umount2("./201/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./201/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./201/cgroup.cpu") = 0 [pid 312] umount2("./201/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./201/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./201/cgroup") = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] close(3) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 312] rmdir("./201") = 0 [pid 312] mkdir("./202", 0777 [pid 310] umount2("./193", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... openat resumed>) = 3 [pid 311] umount2("./196", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1305 attached [pid 311] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 1305] set_robust_list(0x55555bb49760, 24 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 204 [pid 311] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1305] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] fstat(3 [pid 1305] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(3 [pid 1305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] getdents64(3 [pid 313] umount2("./203", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1305] chdir("./202" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 1305] <... chdir resumed>) = 0 [pid 313] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = 0 [pid 1305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 1305] <... prctl resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1305] setpgid(0, 0 [pid 313] fstat(3 [pid 311] newfstatat(AT_FDCWD, "./196/config" [pid 1305] <... setpgid resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./192", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1305] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] getdents64(3 [pid 311] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./193/config" [pid 1305] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1305] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./196/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1305] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1305] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 309] <... openat resumed>) = 3 [pid 1305] <... symlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 310] openat(AT_FDCWD, "./193/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 1305] <... openat resumed>) = 3 [pid 313] newfstatat(AT_FDCWD, "./203/config" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1305] write(3, "1000", 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 310] fstat(4 [pid 1305] <... write resumed>) = 4 [pid 313] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 1305] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1305] <... close resumed>) = 0 [pid 313] openat(AT_FDCWD, "./203/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] getdents64(4 [pid 1305] symlink("/dev/binderfs", "./binderfs" [pid 313] <... openat resumed>) = 4 [pid 311] rmdir("./196/config" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1305] <... symlink resumed>) = 0 [pid 313] fstat(4 [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 1305] write(1, "executing program\n", 18 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] umount2("./196/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1305] <... write resumed>) = 18 [pid 313] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 310] close(4 [pid 309] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1305] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] newfstatat(AT_FDCWD, "./196/binderfs" [pid 310] <... close resumed>) = 0 [pid 1305] <... mkdirat resumed>) = 0 [pid 313] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1305] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] unlink("./196/binderfs" [pid 310] rmdir("./193/config" [pid 309] newfstatat(AT_FDCWD, "./192/config" [pid 1305] <... mount resumed>) = 0 [pid 313] close(4 [pid 311] <... unlink resumed>) = 0 [pid 1305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] umount2("./196/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1305] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rmdir("./203/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./193/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./192/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./196/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./196/cgroup.net") = 0 [pid 311] umount2("./196/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1305] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./203/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./193/binderfs" [pid 309] openat(AT_FDCWD, "./192/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./196/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 1305] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./203/binderfs" [pid 311] unlink("./196/cgroup.cpu" [pid 310] unlink("./193/binderfs" [pid 309] fstat(4 [pid 1305] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 311] umount2("./196/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1305] <... symlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1305] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] unlink("./203/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./193/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1305] <... unlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./196/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./196/cgroup") = 0 [pid 311] getdents64(3 [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1305] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] umount2("./203/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1305] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./193/cgroup.net" [pid 309] getdents64(4 [pid 1305] close(3 [pid 313] newfstatat(AT_FDCWD, "./203/cgroup.net" [pid 311] rmdir("./196" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] unlink("./193/cgroup.net" [pid 1305] close(4 [pid 313] unlink("./203/cgroup.net" [pid 311] mkdir("./197", 0777 [pid 309] close(4 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1305] close(5 [pid 313] umount2("./203/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./193/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./192/config" [pid 1305] close(6 [pid 313] newfstatat(AT_FDCWD, "./203/cgroup.cpu" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./193/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1306 attached [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1306] set_robust_list(0x55555bb49760, 24 [pid 1305] close(7 [pid 313] unlink("./203/cgroup.cpu" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 199 [pid 310] unlink("./193/cgroup.cpu" [pid 309] umount2("./192/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1306] <... set_robust_list resumed>) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 1306] rt_sigprocmask(SIG_SETMASK, [] [pid 1305] close(8 [pid 313] umount2("./203/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./193/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./192/binderfs" [pid 1306] chdir("./197" [pid 1305] close(9 [pid 313] newfstatat(AT_FDCWD, "./203/cgroup" [pid 310] newfstatat(AT_FDCWD, "./193/cgroup" [pid 1306] <... chdir resumed>) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1305] close(10 [pid 313] unlink("./203/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./192/binderfs" [pid 1306] <... prctl resumed>) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] unlink("./193/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1306] setpgid(0, 0 [pid 1305] close(11 [pid 313] getdents64(3 [pid 1306] <... setpgid resumed>) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./192/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1306] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1305] close(12 [pid 313] close(3 [pid 310] getdents64(3 [pid 1306] <... symlink resumed>) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1306] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1305] close(13 [pid 313] rmdir("./203" [pid 310] close(3 [pid 309] newfstatat(AT_FDCWD, "./192/cgroup.net" [pid 1306] <... symlink resumed>) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1306] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1305] close(14 [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] mkdir("./204", 0777 [pid 1306] <... symlink resumed>) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./193" [pid 309] unlink("./192/cgroup.net" [pid 1306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1305] close(15 [pid 313] <... mkdir resumed>) = 0 [pid 1306] <... openat resumed>) = 3 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1306] write(3, "1000", 4 [pid 1305] close(16 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] mkdir("./194", 0777 [pid 309] umount2("./192/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1306] <... write resumed>) = 4 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... mkdir resumed>) = 0 [pid 1306] close(3 [pid 1305] close(17 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1306] <... close resumed>) = 0 [pid 1306] symlink("/dev/binderfs", "./binderfs"ci2-android-5-15/strace-static-x86_64: Process 1307 attached ) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./192/cgroup.cpu" [pid 1307] set_robust_list(0x55555bb49760, 24 [pid 1306] write(1, "executing program\n", 18 [pid 1305] close(18 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 206 executing program [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1307] <... set_robust_list resumed>) = 0 [pid 1306] <... write resumed>) = 18 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1307] rt_sigprocmask(SIG_SETMASK, [] [pid 1306] mkdirat(AT_FDCWD, "./config", 0777 [pid 1305] close(19 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1306] <... mkdirat resumed>) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./192/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1308 attached [pid 1307] chdir("./204" [pid 1306] mount(NULL, "./config", "configfs", 0, NULL [pid 1305] close(20 [pid 1308] set_robust_list(0x55555bb49760, 24 [pid 1307] <... chdir resumed>) = 0 [pid 1306] <... mount resumed>) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 196 [pid 309] <... unlink resumed>) = 0 [pid 1308] <... set_robust_list resumed>) = 0 [pid 1307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1305] close(21 [pid 1308] rt_sigprocmask(SIG_SETMASK, [] [pid 1306] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./192/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1307] <... prctl resumed>) = 0 [pid 1306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1308] chdir("./194" [pid 1307] setpgid(0, 0 [pid 1306] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1305] close(22 [pid 309] newfstatat(AT_FDCWD, "./192/cgroup" [pid 1308] <... chdir resumed>) = 0 [pid 1307] <... setpgid resumed>) = 0 [pid 1306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1307] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1306] <... mkdirat resumed>) = 0 [pid 1305] close(23 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1308] <... prctl resumed>) = 0 [pid 1307] <... symlink resumed>) = 0 [pid 1306] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./192/cgroup" [pid 1308] setpgid(0, 0 [pid 1307] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1306] <... symlinkat resumed>) = 0 [pid 1305] close(24 [pid 1308] <... setpgid resumed>) = 0 [pid 1307] <... symlink resumed>) = 0 [pid 1306] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... unlink resumed>) = 0 [pid 1308] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1307] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1306] <... unlinkat resumed>) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1308] <... symlink resumed>) = 0 [pid 1307] <... symlink resumed>) = 0 [pid 1306] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1305] close(25 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1308] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1306] <... unlinkat resumed>) = 0 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1308] <... symlink resumed>) = 0 [pid 1307] <... openat resumed>) = 3 [pid 1306] close(3 [pid 1305] close(26 [pid 1308] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1307] write(3, "1000", 4 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1308] <... symlink resumed>) = 0 [pid 1307] <... write resumed>) = 4 [pid 1306] close(4 [pid 1305] close(27 [pid 309] rmdir("./192" [pid 1308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1307] close(3 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] <... openat resumed>) = 3 [pid 1307] <... close resumed>) = 0 [pid 1306] close(5 [pid 309] <... rmdir resumed>) = 0 [pid 1308] write(3, "1000", 4 [pid 1307] symlink("/dev/binderfs", "./binderfs" [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1305] close(28 [pid 309] mkdir("./193", 0777 [pid 1308] <... write resumed>) = 4 [pid 1307] <... symlink resumed>) = 0 [pid 1306] close(6 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1308] close(3 [pid 1307] write(1, "executing program\n", 18 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1305] close(29 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1308] <... close resumed>) = 0 [pid 1307] <... write resumed>) = 18 [pid 1306] close(7 [pid 1305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1308] symlink("/dev/binderfs", "./binderfs" [pid 1307] mkdirat(AT_FDCWD, "./config", 0777 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] <... symlink resumed>) = 0 [pid 1306] close(8 [pid 1305] exit_group(0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1307] <... mkdirat resumed>) = 0 [pid 1308] write(1, "executing program\n", 18 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1305] <... exit_group resumed>) = ? [pid 1308] <... write resumed>) = 18 [pid 1306] close(9 [pid 1308] mkdirat(AT_FDCWD, "./config", 0777 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] <... mkdirat resumed>) = 0 [pid 1306] close(10ci2-android-5-15/strace-static-x86_64: Process 1309 attached [pid 1308] mount(NULL, "./config", "configfs", 0, NULL [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1309] set_robust_list(0x55555bb49760, 24 [pid 1308] <... mount resumed>) = 0 [pid 1306] close(11 [pid 1309] <... set_robust_list resumed>) = 0 executing program [pid 1308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1309] rt_sigprocmask(SIG_SETMASK, [] [pid 1308] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1307] mount(NULL, "./config", "configfs", 0, NULL [pid 1306] close(12 [pid 1305] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 195 [pid 1309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1309] chdir("./193" [pid 1308] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1307] <... mount resumed>) = 0 [pid 1306] close(13 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1309] <... chdir resumed>) = 0 [pid 1308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1308] <... mkdirat resumed>) = 0 [pid 1307] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1306] close(14 [pid 1309] <... prctl resumed>) = 0 [pid 1308] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1309] setpgid(0, 0 [pid 1308] <... symlinkat resumed>) = 0 [pid 1307] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1306] close(15 [pid 1309] <... setpgid resumed>) = 0 [pid 1308] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1309] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1308] <... unlinkat resumed>) = 0 [pid 1307] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1306] close(16 [pid 1309] <... symlink resumed>) = 0 [pid 1308] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1307] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1309] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1308] <... unlinkat resumed>) = 0 [pid 1306] close(17 [pid 1309] <... symlink resumed>) = 0 [pid 1308] close(3 [pid 1307] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./202", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1309] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1306] close(18 [pid 1309] <... symlink resumed>) = 0 [pid 1308] close(4 [pid 1307] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1306] close(19 [pid 312] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1309] <... openat resumed>) = 3 [pid 1308] close(5 [pid 1307] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1309] write(3, "1000", 4 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(3 [pid 1306] close(20 [pid 312] fstat(3 [pid 1309] <... write resumed>) = 4 [pid 1308] close(6 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1309] close(3 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(4 [pid 1306] close(21 [pid 312] getdents64(3 [pid 1309] <... close resumed>) = 0 [pid 1308] close(7 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1309] symlink("/dev/binderfs", "./binderfs" [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(5 [pid 1306] close(22 [pid 312] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1309] <... symlink resumed>) = 0 [pid 1308] close(8 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1309] write(1, "executing program\n", 18 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(6 [pid 1306] close(23 [pid 312] <... umount2 resumed>) = 0 executing program [pid 1309] <... write resumed>) = 18 [pid 1308] close(9 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1309] mkdirat(AT_FDCWD, "./config", 0777 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(7 [pid 1306] close(24) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1309] <... mkdirat resumed>) = 0 [pid 1308] close(10 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1306] close(25 [pid 312] newfstatat(AT_FDCWD, "./202/config" [pid 1309] mount(NULL, "./config", "configfs", 0, NULL [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(8 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1309] <... mount resumed>) = 0 [pid 1308] close(11 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1306] close(26 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(9 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1309] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1308] close(12 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1306] close(27 [pid 1309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(10 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1309] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1308] close(13 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1306] close(28 [pid 1309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(11 [pid 1306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./202/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1306] close(29) = -1 EBADF (Bad file descriptor) [pid 1309] <... mkdirat resumed>) = 0 [pid 1308] close(14 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1306] exit_group(0 [pid 312] <... openat resumed>) = 4 [pid 1309] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(12 [pid 1306] <... exit_group resumed>) = ? [pid 1309] <... symlinkat resumed>) = 0 [pid 1308] close(15 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1306] +++ exited with 0 +++ [pid 312] fstat(4 [pid 1309] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(13 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1309] <... unlinkat resumed>) = 0 [pid 1308] close(16 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1309] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(14 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1309] <... unlinkat resumed>) = 0 [pid 1308] close(17 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1309] close(3 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(15 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] close(18 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1309] close(4 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(16 [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] close(19 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1309] close(5 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(17 [pid 312] rmdir("./202/config" [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] close(20 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1309] close(6 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(18 [pid 312] <... rmdir resumed>) = 0 [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] close(21 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./202/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1309] close(7 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(19 [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] close(22 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1309] close(8 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(20 [pid 312] newfstatat(AT_FDCWD, "./202/binderfs" [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] close(23 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1309] close(9 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] close(24 [pid 1307] close(21 [pid 312] unlink("./202/binderfs" [pid 1309] close(10 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] close(25 [pid 1307] close(22 [pid 312] <... unlink resumed>) = 0 [pid 1309] close(11 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./202/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] close(26 [pid 1307] close(23 [pid 1309] close(12 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] close(27 [pid 1307] close(24 [pid 1309] close(13 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./202/cgroup.net" [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] close(28 [pid 1307] close(25 [pid 1309] close(14 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] close(29 [pid 1307] close(26 [pid 312] unlink("./202/cgroup.net" [pid 1309] close(15 [pid 1308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] exit_group(0 [pid 1307] close(27 [pid 1309] close(16 [pid 1308] <... exit_group resumed>) = ? [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./202/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./197", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1308] +++ exited with 0 +++ [pid 1307] close(28 [pid 1309] close(17 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1309] close(18 [pid 1307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./202/cgroup.cpu" [pid 311] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1307] exit_group(0 [pid 1309] close(19 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1307] <... exit_group resumed>) = ? [pid 311] <... openat resumed>) = 3 [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./202/cgroup.cpu" [pid 1307] +++ exited with 0 +++ [pid 1309] close(20 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 1309] close(21 [pid 312] <... unlink resumed>) = 0 [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1309] close(22 [pid 312] umount2("./202/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1309] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./202/cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1309] close(24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./202/cgroup" [pid 1309] close(25 [pid 311] <... umount2 resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1309] close(26 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(3 [pid 1309] close(27 [pid 311] newfstatat(AT_FDCWD, "./197/config" [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1309] close(28 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./202" [pid 1309] close(29 [pid 311] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1309] exit_group(0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1309] <... exit_group resumed>) = ? [pid 312] mkdir("./203", 0777 [pid 311] openat(AT_FDCWD, "./197/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1309] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... mkdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] fstat(4 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1310 attached [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1310] set_robust_list(0x55555bb49760, 24 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 205 [pid 311] getdents64(4 [pid 1310] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./193", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1310] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] umount2("./204", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 309] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1310] chdir("./203" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1310] <... chdir resumed>) = 0 [pid 313] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rmdir("./197/config" [pid 309] fstat(3 [pid 1310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... openat resumed>) = 3 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1310] <... prctl resumed>) = 0 [pid 313] fstat(3 [pid 311] umount2("./197/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1310] setpgid(0, 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1310] <... setpgid resumed>) = 0 [pid 313] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./197/binderfs" [pid 309] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1310] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1310] <... symlink resumed>) = 0 [pid 313] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./197/binderfs" [pid 309] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1310] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1310] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./194", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./193/config" [pid 1310] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./197/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1310] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./193/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] newfstatat(AT_FDCWD, "./204/config" [pid 311] newfstatat(AT_FDCWD, "./197/cgroup.net" [pid 309] openat(AT_FDCWD, "./193/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1310] <... openat resumed>) = 3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 4 [pid 1310] write(3, "1000", 4 [pid 313] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 309] fstat(4 [pid 1310] <... write resumed>) = 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./197/cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1310] close(3 [pid 313] openat(AT_FDCWD, "./204/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] getdents64(4 [pid 1310] <... close resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 311] umount2("./197/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1310] symlink("/dev/binderfs", "./binderfs" [pid 313] fstat(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1310] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./197/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1310] write(1, "executing program\n", 18 [pid 313] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 executing program [pid 309] close(4 [pid 1310] <... write resumed>) = 18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] unlink("./197/cgroup.cpu" [pid 310] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1310] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] getdents64(4 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./193/config" [pid 1310] <... mkdirat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] umount2("./197/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./194/config" [pid 309] <... rmdir resumed>) = 0 [pid 1310] mount(NULL, "./config", "configfs", 0, NULL [pid 313] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./193/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1310] <... mount resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./197/cgroup" [pid 310] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] rmdir("./204/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./193/binderfs" [pid 1310] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rmdir resumed>) = 0 [pid 311] unlink("./197/cgroup" [pid 310] openat(AT_FDCWD, "./194/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./204/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] unlink("./193/binderfs" [pid 1310] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 310] fstat(4 [pid 309] <... unlink resumed>) = 0 [pid 1310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] newfstatat(AT_FDCWD, "./204/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] umount2("./193/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1310] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(3 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1310] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] unlink("./204/binderfs" [pid 311] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./193/cgroup.net" [pid 1310] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1310] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... unlink resumed>) = 0 [pid 311] rmdir("./197" [pid 310] getdents64(4 [pid 309] unlink("./193/cgroup.net" [pid 1310] <... unlinkat resumed>) = 0 [pid 313] umount2("./204/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1310] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdir("./198", 0777 [pid 310] close(4 [pid 309] umount2("./193/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1310] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./204/cgroup.net" [pid 311] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1310] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./194/config" [pid 309] newfstatat(AT_FDCWD, "./193/cgroup.cpu" [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./204/cgroup.net" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1310] close(4 [pid 313] <... unlink resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./194/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./193/cgroup.cpu" [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./204/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./193/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./193/cgroup"ci2-android-5-15/strace-static-x86_64: Process 1311 attached [pid 1310] close(5 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1311] set_robust_list(0x55555bb49760, 24 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./204/cgroup.cpu" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 200 [pid 310] newfstatat(AT_FDCWD, "./194/binderfs" [pid 309] unlink("./193/cgroup" [pid 1311] <... set_robust_list resumed>) = 0 [pid 1310] close(6 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1311] rt_sigprocmask(SIG_SETMASK, [] [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./204/cgroup.cpu" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./194/binderfs" [pid 309] getdents64(3 [pid 1311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1310] close(7 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 313] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./193" [pid 1311] chdir("./198" [pid 1310] close(8 [pid 313] umount2("./204/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./194/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1311] <... chdir resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./194", 0777 [pid 1311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1310] close(9 [pid 313] newfstatat(AT_FDCWD, "./204/cgroup" [pid 310] newfstatat(AT_FDCWD, "./194/cgroup.net" [pid 309] <... mkdir resumed>) = 0 [pid 1311] <... prctl resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1311] setpgid(0, 0 [pid 1310] close(10 [pid 313] unlink("./204/cgroup" [pid 310] unlink("./194/cgroup.net" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1311] <... setpgid resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1312 attached [pid 1311] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1310] close(11 [pid 313] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 1312] set_robust_list(0x55555bb49760, 24 [pid 1311] <... symlink resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 196 [pid 1312] <... set_robust_list resumed>) = 0 [pid 1311] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1310] close(12 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./194/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1312] rt_sigprocmask(SIG_SETMASK, [] [pid 1311] <... symlink resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1311] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1310] close(13 [pid 313] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1312] chdir("./194" [pid 1311] <... symlink resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./204" [pid 1312] <... chdir resumed>) = 0 [pid 1311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1310] close(14 [pid 310] newfstatat(AT_FDCWD, "./194/cgroup.cpu" [pid 1312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... rmdir resumed>) = 0 [pid 1312] <... prctl resumed>) = 0 [pid 1311] <... openat resumed>) = 3 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./205", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1312] setpgid(0, 0 [pid 1311] write(3, "1000", 4 [pid 1310] close(15 [pid 313] <... mkdir resumed>) = 0 [pid 310] unlink("./194/cgroup.cpu" [pid 1312] <... setpgid resumed>) = 0 [pid 1311] <... write resumed>) = 4 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1312] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1311] close(3 [pid 1310] close(16 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1312] <... symlink resumed>) = 0 [pid 1311] <... close resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1312] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1311] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./194/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1310] close(17ci2-android-5-15/strace-static-x86_64: Process 1313 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1313] set_robust_list(0x55555bb49760, 24 [pid 1311] <... symlink resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] <... set_robust_list resumed>) = 0 [pid 1312] <... symlink resumed>) = 0 [pid 1311] write(1, "executing program\n", 18 executing program [pid 1310] close(18 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 207 [pid 310] newfstatat(AT_FDCWD, "./194/cgroup" [pid 1313] rt_sigprocmask(SIG_SETMASK, [] [pid 1312] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1311] <... write resumed>) = 18 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1312] <... symlink resumed>) = 0 [pid 1311] mkdirat(AT_FDCWD, "./config", 0777 [pid 1310] close(19 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./194/cgroup" [pid 1313] chdir("./205" [pid 1312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1311] <... mkdirat resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] <... chdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1312] <... openat resumed>) = 3 [pid 1311] mount(NULL, "./config", "configfs", 0, NULL [pid 1310] close(20 [pid 310] getdents64(3 [pid 1313] <... prctl resumed>) = 0 [pid 1312] write(3, "1000", 4 [pid 1311] <... mount resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1313] setpgid(0, 0 [pid 1312] <... write resumed>) = 4 [pid 1311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1310] close(21 [pid 310] close(3 [pid 1313] <... setpgid resumed>) = 0 [pid 1312] close(3 [pid 1311] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1312] <... close resumed>) = 0 [pid 1311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1310] close(22 [pid 310] <... close resumed>) = 0 [pid 1313] <... symlink resumed>) = 0 [pid 1312] symlink("/dev/binderfs", "./binderfs" [pid 1311] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./194" [pid 1313] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1312] <... symlink resumed>) = 0 [pid 1311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1310] close(23 [pid 1313] <... symlink resumed>) = 0 [pid 1312] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 executing program [pid 1313] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1312] <... write resumed>) = 18 [pid 1311] <... mkdirat resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./195", 0777 [pid 1313] <... symlink resumed>) = 0 [pid 1312] mkdirat(AT_FDCWD, "./config", 0777 [pid 1311] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1310] close(24 [pid 1313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 1313] <... openat resumed>) = 3 [pid 1312] <... mkdirat resumed>) = 0 [pid 1311] <... symlinkat resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] write(3, "1000", 4 [pid 1312] mount(NULL, "./config", "configfs", 0, NULL [pid 1311] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1310] close(25 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1313] <... write resumed>) = 4 [pid 1312] <... mount resumed>) = 0 [pid 1313] close(3 [pid 1311] <... unlinkat resumed>) = 0 [pid 1312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1313] <... close resumed>) = 0 [pid 1312] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1311] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1310] close(26 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1313] symlink("/dev/binderfs", "./binderfs" [pid 1312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1313] <... symlink resumed>) = 0 [pid 1311] <... unlinkat resumed>) = 0 [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] write(1, "executing program\n", 18) = 18 ci2-android-5-15/strace-static-x86_64: Process 1314 attached executing program [pid 1313] mkdirat(AT_FDCWD, "./config", 0777 [pid 1312] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1311] close(3 [pid 1310] close(27 [pid 1314] set_robust_list(0x55555bb49760, 24 [pid 1313] <... mkdirat resumed>) = 0 [pid 1312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 197 [pid 1314] <... set_robust_list resumed>) = 0 [pid 1313] mount(NULL, "./config", "configfs", 0, NULL [pid 1314] rt_sigprocmask(SIG_SETMASK, [] [pid 1313] <... mount resumed>) = 0 [pid 1314] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1314] chdir("./195" [pid 1313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1312] <... mkdirat resumed>) = 0 [pid 1311] close(4 [pid 1310] close(28 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1314] <... chdir resumed>) = 0 [pid 1313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1312] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1312] <... symlinkat resumed>) = 0 [pid 1311] close(5 [pid 1310] close(29 [pid 1314] <... prctl resumed>) = 0 [pid 1313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1312] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1314] setpgid(0, 0 [pid 1313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1312] <... unlinkat resumed>) = 0 [pid 1311] close(6 [pid 1314] <... setpgid resumed>) = 0 [pid 1313] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1312] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1310] exit_group(0 [pid 1314] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1313] <... symlinkat resumed>) = 0 [pid 1312] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1311] close(7 [pid 1310] <... exit_group resumed>) = ? [pid 1314] <... symlink resumed>) = 0 [pid 1313] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1312] close(3 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1314] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1313] <... unlinkat resumed>) = 0 [pid 1314] <... symlink resumed>) = 0 [pid 1313] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1314] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1313] <... unlinkat resumed>) = 0 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(8 [pid 1310] +++ exited with 0 +++ [pid 1314] <... symlink resumed>) = 0 [pid 1313] close(3 [pid 1312] close(4 [pid 1314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1314] <... openat resumed>) = 3 [pid 1313] close(4 [pid 1312] close(5 [pid 1311] close(9 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1314] write(3, "1000", 4 [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1314] <... write resumed>) = 4 [pid 1313] close(5 [pid 1312] close(6 [pid 1311] close(10 [pid 1314] close(3 [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1314] <... close resumed>) = 0 [pid 1313] close(6 [pid 1312] close(7 [pid 1311] close(11 [pid 1314] symlink("/dev/binderfs", "./binderfs" [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1314] <... symlink resumed>) = 0 [pid 1313] close(7 [pid 1312] close(8 [pid 1311] close(12 [pid 312] <... restart_syscall resumed>) = 0 [pid 1314] write(1, "executing program\n", 18 [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1314] <... write resumed>) = 18 [pid 1313] close(8 [pid 1312] close(9 [pid 1314] mkdirat(AT_FDCWD, "./config", 0777 [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(13 [pid 1314] <... mkdirat resumed>) = 0 [pid 1313] close(9 [pid 1312] close(10 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./203", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1314] mount(NULL, "./config", "configfs", 0, NULL [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(14 [pid 1314] <... mount resumed>) = 0 [pid 1313] close(10 [pid 1312] close(11 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(15 [pid 1314] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1313] close(11 [pid 1312] close(12 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(16 [pid 1314] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1313] close(12 [pid 1312] close(13 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(17 [pid 1313] close(13 [pid 312] fstat(3 [pid 1314] <... mkdirat resumed>) = 0 [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] close(14 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1314] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1313] close(14 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(18 [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1314] <... symlinkat resumed>) = 0 [pid 1313] close(15 [pid 1312] close(15 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1314] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(19 [pid 1314] <... unlinkat resumed>) = 0 [pid 1313] close(16 [pid 1312] close(16 [pid 312] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1314] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] close(17 [pid 1311] close(20 [pid 312] <... umount2 resumed>) = 0 [pid 1314] <... unlinkat resumed>) = 0 [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] close(17 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1314] close(3 [pid 1313] close(18 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] close(18 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./203/config" [pid 1314] close(4 [pid 1313] close(19 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(22 [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] close(19 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1314] close(5 [pid 1313] close(20 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(23 [pid 312] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] close(20 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1314] close(6 [pid 1313] close(21 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(24 [pid 312] openat(AT_FDCWD, "./203/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] close(21 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1314] close(7 [pid 1313] close(22 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(25 [pid 312] <... openat resumed>) = 4 [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] close(22 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1314] close(8 [pid 1313] close(23 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(26 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] close(23 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1314] close(9 [pid 1313] close(24 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(27 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] close(24 [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1314] close(10 [pid 1313] close(25 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] close(28 [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] close(25 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1314] close(11 [pid 1313] close(26 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] close(26 [pid 1311] close(29 [pid 312] <... close resumed>) = 0 [pid 1314] close(12 [pid 1313] close(27 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./203/config" [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] close(27 [pid 1314] close(13 [pid 1313] close(28 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1311] exit_group(0 [pid 312] <... rmdir resumed>) = 0 [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] close(28 [pid 1311] <... exit_group resumed>) = ? [pid 1314] close(14 [pid 1313] close(29 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./203/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] exit_group(0) = ? [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1313] +++ exited with 0 +++ [pid 1312] close(29 [pid 1311] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1314] close(15 [pid 1312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] newfstatat(AT_FDCWD, "./203/binderfs" [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1314] close(16 [pid 1312] exit_group(0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1312] <... exit_group resumed>) = ? [pid 312] unlink("./203/binderfs" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1314] close(17 [pid 1312] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./203/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1314] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./203/cgroup.net" [pid 1314] close(19) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1314] close(20 [pid 312] unlink("./203/cgroup.net" [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1314] close(21 [pid 312] <... unlink resumed>) = 0 [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./203/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1314] close(22 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./203/cgroup.cpu" [pid 1314] close(23 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./203/cgroup.cpu" [pid 1314] close(24) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1314] close(25) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./203/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1314] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./203/cgroup" [pid 1314] close(27 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./203/cgroup" [pid 1314] close(28) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1314] close(29 [pid 312] getdents64(3 [pid 1314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1314] exit_group(0 [pid 312] close(3 [pid 1314] <... exit_group resumed>) = ? [pid 312] <... close resumed>) = 0 [pid 311] umount2("./198", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1314] +++ exited with 0 +++ [pid 312] rmdir("./203" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... rmdir resumed>) = 0 [pid 311] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] mkdir("./204", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... openat resumed>) = 3 [pid 312] <... mkdir resumed>) = 0 [pid 311] fstat(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./195", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1315 attached [pid 309] <... restart_syscall resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 1315] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 206 [pid 311] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1315] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1315] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./198/config" [pid 310] <... openat resumed>) = 3 [pid 309] umount2("./194", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1315] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1315] chdir("./204" [pid 311] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1315] <... chdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 1315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] openat(AT_FDCWD, "./198/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] fstat(3 [pid 1315] <... prctl resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1315] setpgid(0, 0 [pid 311] fstat(4 [pid 309] getdents64(3 [pid 1315] <... setpgid resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1315] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] getdents64(4 [pid 310] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1315] <... symlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1315] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] umount2("./205", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./195/config" [pid 309] <... umount2 resumed>) = 0 [pid 1315] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1315] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] close(4 [pid 310] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1315] <... symlink resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./194/config" [pid 1315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] fstat(3 [pid 311] rmdir("./198/config" [pid 310] openat(AT_FDCWD, "./195/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1315] <... openat resumed>) = 3 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] umount2("./194/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1315] write(3, "1000", 4 [pid 313] getdents64(3 [pid 311] umount2("./198/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1315] <... write resumed>) = 4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 309] openat(AT_FDCWD, "./194/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1315] close(3 [pid 313] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./198/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 1315] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] fstat(4 [pid 1315] symlink("/dev/binderfs", "./binderfs" [pid 313] <... umount2 resumed>) = 0 [pid 311] unlink("./198/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1315] <... symlink resumed>) = 0 [pid 313] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 1315] write(1, "executing program\n", 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 311] umount2("./198/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1315] <... write resumed>) = 18 [pid 313] newfstatat(AT_FDCWD, "./205/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 309] getdents64(4 [pid 1315] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./198/cgroup.net" [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1315] <... mkdirat resumed>) = 0 [pid 313] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./195/config" [pid 309] close(4 [pid 1315] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./198/cgroup.net" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1315] <... mount resumed>) = 0 [pid 313] openat(AT_FDCWD, "./205/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./194/config" [pid 1315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... openat resumed>) = 4 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./195/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1315] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] fstat(4 [pid 311] umount2("./198/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./194/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./195/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1315] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./198/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./194/binderfs" [pid 1315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./195/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1315] <... mkdirat resumed>) = 0 [pid 313] getdents64(4 [pid 311] unlink("./198/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./194/binderfs" [pid 1315] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./195/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1315] <... symlinkat resumed>) = 0 [pid 313] close(4 [pid 311] umount2("./198/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./194/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1315] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./195/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1315] <... unlinkat resumed>) = 0 [pid 313] rmdir("./205/config" [pid 311] newfstatat(AT_FDCWD, "./198/cgroup" [pid 309] newfstatat(AT_FDCWD, "./194/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1315] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./195/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1315] <... unlinkat resumed>) = 0 [pid 313] umount2("./205/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./198/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./194/cgroup.net" [pid 1315] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./195/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./205/binderfs" [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./194/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1315] close(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./195/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./205/binderfs" [pid 311] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./194/cgroup.cpu" [pid 1315] close(5 [pid 313] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./195/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./205/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./198" [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./194/cgroup.cpu" [pid 1315] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./195/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./205/cgroup.net" [pid 311] mkdir("./199", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./194/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1315] close(7 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./195/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./205/cgroup.net" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./194/cgroup" [pid 1315] close(8 [pid 313] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./195/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./205/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./194/cgroup" [pid 1315] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 309] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] close(3ci2-android-5-15/strace-static-x86_64: Process 1316 attached [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./205/cgroup.cpu" [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 1316] set_robust_list(0x55555bb49760, 24 [pid 1315] close(10 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 201 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./194" [pid 1316] <... set_robust_list resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./205/cgroup.cpu" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 1316] rt_sigprocmask(SIG_SETMASK, [] [pid 1315] close(11 [pid 313] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] mkdir("./195", 0777 [pid 1316] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./205/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./195" [pid 309] <... mkdir resumed>) = 0 [pid 1316] chdir("./199" [pid 1315] close(12 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1316] <... chdir resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./205/cgroup" [pid 310] mkdir("./196", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1315] close(13 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1317 attached [pid 1316] <... prctl resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./205/cgroup" [pid 310] <... mkdir resumed>) = 0 [pid 1317] set_robust_list(0x55555bb49760, 24 [pid 1316] setpgid(0, 0 [pid 1315] close(14 [pid 313] <... unlink resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 197 [pid 1317] <... set_robust_list resumed>) = 0 [pid 1316] <... setpgid resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1317] rt_sigprocmask(SIG_SETMASK, [] [pid 1316] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1315] close(15 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1317] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1316] <... symlink resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1317] chdir("./195" [pid 1316] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1315] close(16 [pid 313] <... close resumed>) = 0 [pid 1316] <... symlink resumed>) = 0 [pid 1316] symlink("/syzcgroup/net/syz2", "./cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1318 attached [pid 1317] <... chdir resumed>) = 0 [pid 1316] <... symlink resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./205" [pid 1318] set_robust_list(0x55555bb49760, 24 [pid 1317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1315] close(17 [pid 1318] <... set_robust_list resumed>) = 0 [pid 1317] <... prctl resumed>) = 0 [pid 1316] <... openat resumed>) = 3 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 198 [pid 1318] rt_sigprocmask(SIG_SETMASK, [] [pid 1317] setpgid(0, 0 [pid 1316] write(3, "1000", 4 [pid 1315] close(18 [pid 313] mkdir("./206", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1318] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1317] <... setpgid resumed>) = 0 [pid 1316] <... write resumed>) = 4 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1318] chdir("./196" [pid 1317] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1316] close(3 [pid 1315] close(19 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1318] <... chdir resumed>) = 0 [pid 1317] <... symlink resumed>) = 0 [pid 1316] <... close resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1317] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1316] symlink("/dev/binderfs", "./binderfs" [pid 1315] close(20 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1318] <... prctl resumed>) = 0 [pid 1317] <... symlink resumed>) = 0 [pid 1316] <... symlink resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] setpgid(0, 0 [pid 1316] write(1, "executing program\n", 18 [pid 1318] <... setpgid resumed>) = 0 [pid 1316] <... write resumed>) = 18 executing program ci2-android-5-15/strace-static-x86_64: Process 1319 attached [pid 1318] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1317] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1316] mkdirat(AT_FDCWD, "./config", 0777 [pid 1315] close(21 [pid 1319] set_robust_list(0x55555bb49760, 24 [pid 1318] <... symlink resumed>) = 0 [pid 1317] <... symlink resumed>) = 0 [pid 1316] <... mkdirat resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 208 [pid 1319] <... set_robust_list resumed>) = 0 [pid 1318] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1316] mount(NULL, "./config", "configfs", 0, NULL [pid 1315] close(22 [pid 1319] rt_sigprocmask(SIG_SETMASK, [] [pid 1318] <... symlink resumed>) = 0 [pid 1317] <... openat resumed>) = 3 [pid 1316] <... mount resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1319] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1318] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1317] write(3, "1000", 4 [pid 1316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1315] close(23 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1319] chdir("./206" [pid 1318] <... symlink resumed>) = 0 [pid 1317] <... write resumed>) = 4 [pid 1316] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... chdir resumed>) = 0 [pid 1318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1317] close(3 [pid 1316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1315] close(24 [pid 1319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1318] <... openat resumed>) = 3 [pid 1317] <... close resumed>) = 0 [pid 1316] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... prctl resumed>) = 0 [pid 1318] write(3, "1000", 4 [pid 1317] symlink("/dev/binderfs", "./binderfs" [pid 1316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1315] close(25 [pid 1319] setpgid(0, 0 [pid 1318] <... write resumed>) = 4 [pid 1317] <... symlink resumed>) = 0 [pid 1316] <... mkdirat resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... setpgid resumed>) = 0 [pid 1318] close(3 [pid 1317] write(1, "executing program\n", 18 executing program [pid 1316] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1315] close(26 [pid 1319] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1318] <... close resumed>) = 0 [pid 1317] <... write resumed>) = 18 [pid 1316] <... symlinkat resumed>) = 0 [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... symlink resumed>) = 0 [pid 1318] symlink("/dev/binderfs", "./binderfs" [pid 1316] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1319] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1318] <... symlink resumed>) = 0 [pid 1317] mkdirat(AT_FDCWD, "./config", 0777 [pid 1316] <... unlinkat resumed>) = 0 [pid 1315] close(27 [pid 1319] <... symlink resumed>) = 0 executing program [pid 1318] write(1, "executing program\n", 18 [pid 1317] <... mkdirat resumed>) = 0 [pid 1316] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1318] <... write resumed>) = 18 [pid 1317] mount(NULL, "./config", "configfs", 0, NULL [pid 1316] <... unlinkat resumed>) = 0 [pid 1315] close(28 [pid 1319] <... symlink resumed>) = 0 [pid 1318] mkdirat(AT_FDCWD, "./config", 0777 [pid 1317] <... mount resumed>) = 0 [pid 1316] close(3 [pid 1319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1318] <... mkdirat resumed>) = 0 [pid 1317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... openat resumed>) = 3 [pid 1318] mount(NULL, "./config", "configfs", 0, NULL [pid 1317] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1316] close(4 [pid 1315] close(29 [pid 1319] write(3, "1000", 4 [pid 1318] <... mount resumed>) = 0 [pid 1317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... write resumed>) = 4 [pid 1318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1316] close(5 [pid 1318] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1317] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1316] close(6 [pid 1315] exit_group(0 [pid 1319] close(3 [pid 1318] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1315] <... exit_group resumed>) = ? [pid 1319] <... close resumed>) = 0 [pid 1318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1316] close(7 [pid 1318] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1317] <... mkdirat resumed>) = 0 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1316] close(8 [pid 1318] <... symlinkat resumed>) = 0 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1316] close(9 [pid 1315] +++ exited with 0 +++ [pid 1319] symlink("/dev/binderfs", "./binderfs" [pid 1318] <... unlinkat resumed>) = 0 [pid 1317] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... symlink resumed>) = 0 [pid 1318] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1316] close(10 [pid 1319] write(1, "executing program\n", 18 [pid 1318] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1317] <... symlinkat resumed>) = 0 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1319] <... write resumed>) = 18 [pid 1318] close(3 [pid 1317] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1316] close(11 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1319] mkdirat(AT_FDCWD, "./config", 0777 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] <... unlinkat resumed>) = 0 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... mkdirat resumed>) = 0 [pid 1318] close(4 [pid 1317] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1316] close(12 [pid 312] <... restart_syscall resumed>) = 0 [pid 1319] mount(NULL, "./config", "configfs", 0, NULL [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... mount resumed>) = 0 [pid 1318] close(5 [pid 1317] <... unlinkat resumed>) = 0 [pid 1316] close(13 [pid 1319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(3 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1318] close(6 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(14 [pid 1319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(4 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./204", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1319] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1318] close(7 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(15 [pid 1319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(5 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1319] <... mkdirat resumed>) = 0 [pid 1318] close(8 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(16 [pid 312] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1319] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(6 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... symlinkat resumed>) = 0 [pid 1318] close(9 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(17 [pid 312] <... openat resumed>) = 3 [pid 1319] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(7 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1319] <... unlinkat resumed>) = 0 [pid 1318] close(10 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(18 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1319] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(8 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... unlinkat resumed>) = 0 [pid 1318] close(11 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(19 [pid 312] getdents64(3 [pid 1319] close(3 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(9 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(12 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(20 [pid 312] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1319] close(4 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(10 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(13 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(21 [pid 312] <... umount2 resumed>) = 0 [pid 1319] close(5 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(11 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(14 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(22 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1319] close(6 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(12 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./204/config" [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(15 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(23 [pid 1319] close(7 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(13 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(16 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(24 [pid 312] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1319] close(8 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(14 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(17 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1319] close(9 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(15 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./204/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(18 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(26 [pid 1319] close(10 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(16 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(19 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(27 [pid 312] fstat(4 [pid 1319] close(11 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(17 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(20 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(28 [pid 312] getdents64(4 [pid 1319] close(12 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(18 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(21 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] close(29 [pid 312] getdents64(4 [pid 1319] close(13 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(19 [pid 1316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(22 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] exit_group(0 [pid 312] close(4 [pid 1319] close(14 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(20 [pid 1316] <... exit_group resumed>) = ? [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(23 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1316] +++ exited with 0 +++ [pid 312] <... close resumed>) = 0 [pid 1319] close(15 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(21 [pid 312] rmdir("./204/config" [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(24 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] close(16 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(22 [pid 312] <... rmdir resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(25 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./204/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1319] close(17 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(26 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./204/binderfs" [pid 1319] close(18 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(24 [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(27 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1319] close(19 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] close(25 [pid 312] unlink("./204/binderfs" [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(28 [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] close(20 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] close(29 [pid 1317] close(26 [pid 312] umount2("./204/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1319] close(21 [pid 1318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] exit_group(0 [pid 1317] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1319] close(22 [pid 1318] <... exit_group resumed>) = ? [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./204/cgroup.net" [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1318] +++ exited with 0 +++ [pid 1317] close(28 [pid 1319] close(23 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./204/cgroup.net" [pid 1319] close(24 [pid 311] <... restart_syscall resumed>) = 0 [pid 1317] close(29 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1319] close(25 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1317] exit_group(0 [pid 312] umount2("./204/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1317] <... exit_group resumed>) = ? [pid 1319] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1317] +++ exited with 0 +++ [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./204/cgroup.cpu" [pid 1319] close(27 [pid 311] umount2("./199", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1319] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./204/cgroup.cpu" [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1319] close(29 [pid 311] <... openat resumed>) = 3 [pid 1319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./204/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(3 [pid 1319] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1319] <... exit_group resumed>) = ? [pid 312] newfstatat(AT_FDCWD, "./204/cgroup" [pid 311] getdents64(3 [pid 1319] +++ exited with 0 +++ [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] unlink("./204/cgroup" [pid 311] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... restart_syscall resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 312] getdents64(3 [pid 311] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(3 [pid 309] umount2("./195", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./199/config" [pid 312] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./204" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... rmdir resumed>) = 0 [pid 311] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] mkdir("./205", 0777 [pid 309] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... mkdir resumed>) = 0 [pid 311] openat(AT_FDCWD, "./199/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] fstat(4 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1320 attached [pid 311] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1320] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 207 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1320] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] getdents64(4 [pid 1320] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1320] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] close(4 [pid 309] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1320] chdir("./205" [pid 311] <... close resumed>) = 0 [pid 1320] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] rmdir("./199/config" [pid 309] newfstatat(AT_FDCWD, "./195/config" [pid 1320] <... prctl resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1320] setpgid(0, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1320] <... setpgid resumed>) = 0 [pid 311] umount2("./199/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./195/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1320] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1320] <... symlink resumed>) = 0 [pid 1320] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 1320] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 311] newfstatat(AT_FDCWD, "./199/binderfs" [pid 310] umount2("./196", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./195/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1320] <... openat resumed>) = 3 [pid 311] unlink("./199/binderfs" [pid 310] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1320] write(3, "1000", 4 [pid 309] <... openat resumed>) = 4 [pid 1320] <... write resumed>) = 4 [pid 311] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1320] close(3 [pid 311] umount2("./199/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 309] fstat(4 [pid 1320] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1320] symlink("/dev/binderfs", "./binderfs" [pid 311] newfstatat(AT_FDCWD, "./199/cgroup.net" [pid 310] getdents64(3 [pid 1320] <... symlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] getdents64(4 [pid 1320] write(1, "executing program\n", 18 [pid 313] <... restart_syscall resumed>) = 0 executing program [pid 311] unlink("./199/cgroup.net" [pid 310] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1320] <... write resumed>) = 18 [pid 311] <... unlink resumed>) = 0 [pid 1320] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 1320] <... mkdirat resumed>) = 0 [pid 311] umount2("./199/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1320] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./206", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 1320] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./199/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./196/config" [pid 1320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 1320] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 3 [pid 311] unlink("./199/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./195/config" [pid 1320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] fstat(3 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1320] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] umount2("./199/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1320] <... mkdirat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./196/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./195/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1320] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./199/cgroup" [pid 310] <... openat resumed>) = 4 [pid 1320] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1320] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 309] newfstatat(AT_FDCWD, "./195/binderfs" [pid 1320] <... unlinkat resumed>) = 0 [pid 313] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./199/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1320] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1320] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./206/config" [pid 311] getdents64(3 [pid 310] getdents64(4 [pid 309] unlink("./195/binderfs" [pid 1320] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 310] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 1320] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./195/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./206/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rmdir("./199" [pid 310] close(4 [pid 1320] close(5 [pid 313] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./195/cgroup.net" [pid 1320] close(6 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] mkdir("./200", 0777 [pid 310] rmdir("./196/config" [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1320] close(7 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./195/cgroup.net" [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./196/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1320] close(8 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1320] close(9 [pid 313] <... close resumed>) = 0 [pid 309] umount2("./195/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1320] close(10) = -1 EBADF (Bad file descriptor) [pid 1320] close(11) = -1 EBADF (Bad file descriptor) [pid 1320] close(12) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1321 attached [pid 1320] close(13 [pid 310] newfstatat(AT_FDCWD, "./196/binderfs" [pid 1321] set_robust_list(0x55555bb49760, 24 [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./206/config" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 202 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1321] <... set_robust_list resumed>) = 0 [pid 1320] close(14 [pid 313] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./195/cgroup.cpu" [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1321] rt_sigprocmask(SIG_SETMASK, [] [pid 1320] close(15 [pid 313] umount2("./206/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./196/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1321] chdir("./200" [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1321] <... chdir resumed>) = 0 [pid 1320] close(16 [pid 313] newfstatat(AT_FDCWD, "./206/binderfs" [pid 309] unlink("./195/cgroup.cpu" [pid 1321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./196/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1321] <... prctl resumed>) = 0 [pid 1320] close(17 [pid 313] unlink("./206/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1321] setpgid(0, 0 [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1321] <... setpgid resumed>) = 0 [pid 1320] close(18 [pid 313] <... unlink resumed>) = 0 [pid 309] umount2("./195/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1321] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./206/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./196/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1321] <... symlink resumed>) = 0 [pid 1320] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./195/cgroup" [pid 1321] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./206/cgroup.net" [pid 310] unlink("./196/cgroup.net" [pid 1321] <... symlink resumed>) = 0 [pid 1320] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1321] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./206/cgroup.net" [pid 310] umount2("./196/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./195/cgroup" [pid 1321] <... symlink resumed>) = 0 [pid 1320] close(21 [pid 313] <... unlink resumed>) = 0 [pid 1321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1320] close(22 [pid 313] umount2("./206/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1321] <... openat resumed>) = 3 [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./196/cgroup.cpu" [pid 309] getdents64(3 [pid 1321] write(3, "1000", 4 [pid 1320] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1321] <... write resumed>) = 4 [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./206/cgroup.cpu" [pid 310] unlink("./196/cgroup.cpu" [pid 309] close(3 [pid 1321] close(3 [pid 1320] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1321] <... close resumed>) = 0 [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./206/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1321] symlink("/dev/binderfs", "./binderfs" [pid 1320] close(25 [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./196/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./195" [pid 1321] <... symlink resumed>) = 0 [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./206/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1321] write(1, "executing program\n", 18 [pid 1320] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./196/cgroup" [pid 309] <... rmdir resumed>) = 0 executing program [pid 1321] <... write resumed>) = 18 [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./206/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./196", 0777 [pid 1321] mkdirat(AT_FDCWD, "./config", 0777 [pid 1320] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./196/cgroup" [pid 1321] <... mkdirat resumed>) = 0 [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./206/cgroup" [pid 309] <... mkdir resumed>) = 0 [pid 1321] mount(NULL, "./config", "configfs", 0, NULL [pid 1320] close(28 [pid 310] <... unlink resumed>) = 0 [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1321] <... mount resumed>) = 0 [pid 1320] close(29 [pid 313] getdents64(3 [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1321] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1320] exit_group(0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1320] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1322 attached [pid 1321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1320] +++ exited with 0 +++ [pid 313] close(3 [pid 310] close(3 [pid 1322] set_robust_list(0x55555bb49760, 24 [pid 1321] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... close resumed>) = 0 [pid 1322] <... set_robust_list resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 198 [pid 313] rmdir("./206" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1322] rt_sigprocmask(SIG_SETMASK, [] [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... rmdir resumed>) = 0 [pid 310] rmdir("./196" [pid 1321] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1322] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1321] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] mkdir("./207", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1322] chdir("./196" [pid 310] mkdir("./197", 0777 [pid 1322] <... chdir resumed>) = 0 [pid 1321] <... symlinkat resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 1321] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... mkdir resumed>) = 0 [pid 1322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1322] <... prctl resumed>) = 0 [pid 1321] <... unlinkat resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1322] setpgid(0, 0 [pid 1321] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1322] <... setpgid resumed>) = 0 [pid 1321] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1323 attached [pid 1321] close(3 [pid 1322] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1323] set_robust_list(0x55555bb49760, 24 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] <... set_robust_list resumed>) = 0 [pid 1322] <... symlink resumed>) = 0 [pid 1323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1323] chdir("./207"ci2-android-5-15/strace-static-x86_64: Process 1324 attached ) = 0 [pid 1322] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1321] close(4 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 209 [pid 1324] set_robust_list(0x55555bb49760, 24 [pid 1323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1324] <... set_robust_list resumed>) = 0 [pid 1323] <... prctl resumed>) = 0 [pid 1322] <... symlink resumed>) = 0 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... restart_syscall resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 199 [pid 1324] rt_sigprocmask(SIG_SETMASK, [] [pid 1323] setpgid(0, 0 [pid 1322] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1321] close(5 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1323] <... setpgid resumed>) = 0 [pid 1322] <... symlink resumed>) = 0 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1324] chdir("./197" [pid 1323] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1321] close(6 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1324] <... chdir resumed>) = 0 [pid 1323] <... symlink resumed>) = 0 [pid 1324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1322] <... openat resumed>) = 3 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./205", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1324] <... prctl resumed>) = 0 [pid 1323] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1322] write(3, "1000", 4 [pid 1321] close(7 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1324] setpgid(0, 0 [pid 1323] <... symlink resumed>) = 0 [pid 1322] <... write resumed>) = 4 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1324] <... setpgid resumed>) = 0 [pid 1323] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1322] close(3 [pid 1321] close(8 [pid 1324] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 312] <... openat resumed>) = 3 [pid 1324] <... symlink resumed>) = 0 [pid 1323] <... symlink resumed>) = 0 [pid 1322] <... close resumed>) = 0 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1324] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1322] symlink("/dev/binderfs", "./binderfs" [pid 1321] close(9 [pid 1324] <... symlink resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1323] <... openat resumed>) = 3 [pid 1324] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1322] <... symlink resumed>) = 0 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1324] <... symlink resumed>) = 0 [pid 1323] write(3, "1000", 4 [pid 1322] write(1, "executing program\n", 18 [pid 1321] close(10 executing program [pid 312] getdents64(3 [pid 1324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1323] <... write resumed>) = 4 [pid 1322] <... write resumed>) = 18 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1324] <... openat resumed>) = 3 [pid 1323] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1324] write(3, "1000", 4 [pid 1323] <... close resumed>) = 0 [pid 1322] mkdirat(AT_FDCWD, "./config", 0777 [pid 1321] close(11 [pid 312] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1324] <... write resumed>) = 4 [pid 1323] symlink("/dev/binderfs", "./binderfs" [pid 1324] close(3 [pid 1322] <... mkdirat resumed>) = 0 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1324] <... close resumed>) = 0 [pid 1323] <... symlink resumed>) = 0 [pid 1322] mount(NULL, "./config", "configfs", 0, NULL [pid 1324] symlink("/dev/binderfs", "./binderfs" [pid 1323] write(1, "executing program\n", 18 executing program [pid 1321] close(12 [pid 312] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1324] <... symlink resumed>) = 0 [pid 1323] <... write resumed>) = 18 [pid 1322] <... mount resumed>) = 0 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1324] write(1, "executing program\n", 18 [pid 1323] mkdirat(AT_FDCWD, "./config", 0777 [pid 1322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1321] close(13 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1324] <... write resumed>) = 18 executing program [pid 1323] <... mkdirat resumed>) = 0 [pid 1322] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./205/config" [pid 1324] mkdirat(AT_FDCWD, "./config", 0777 [pid 1323] mount(NULL, "./config", "configfs", 0, NULL [pid 1322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1321] close(14 [pid 1324] <... mkdirat resumed>) = 0 [pid 1323] <... mount resumed>) = 0 [pid 1322] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1324] mount(NULL, "./config", "configfs", 0, NULL [pid 1323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1324] <... mount resumed>) = 0 [pid 1323] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1322] <... mkdirat resumed>) = 0 [pid 1321] close(15 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1323] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1322] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1324] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] openat(AT_FDCWD, "./205/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1323] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1322] <... symlinkat resumed>) = 0 [pid 1321] close(16 [pid 312] <... openat resumed>) = 4 [pid 1324] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1323] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1322] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1324] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1323] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1324] <... symlinkat resumed>) = 0 [pid 1323] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1322] <... unlinkat resumed>) = 0 [pid 1321] close(17 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1324] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1323] <... unlinkat resumed>) = 0 [pid 1322] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1324] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1323] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1322] <... unlinkat resumed>) = 0 [pid 1321] close(18 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1324] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1323] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1322] close(3 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1324] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1323] close(3 [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1321] close(19 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1324] close(3 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] close(4 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] close(4 [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1321] close(20 [pid 1324] close(4 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] close(5 [pid 1322] close(5 [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./205/config" [pid 1324] close(5 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1321] close(21 [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] close(6 [pid 1322] close(6 [pid 312] <... rmdir resumed>) = 0 [pid 1324] close(6 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./205/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] close(7 [pid 1322] close(7 [pid 1321] close(22 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1324] close(7 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./205/binderfs" [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] close(8 [pid 1322] close(8 [pid 1321] close(23 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1324] close(8 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./205/binderfs" [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] close(9 [pid 1322] close(9 [pid 1321] close(24 [pid 1324] close(9 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] close(10 [pid 1322] close(10 [pid 1321] close(25 [pid 312] umount2("./205/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1324] close(10 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] close(11 [pid 1322] close(11 [pid 1321] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1324] close(11 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./205/cgroup.net" [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] close(12 [pid 1322] close(12 [pid 1321] close(27 [pid 1324] close(12 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] close(13 [pid 1322] close(13 [pid 1321] close(28 [pid 312] unlink("./205/cgroup.net" [pid 1324] close(13 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] close(14 [pid 1322] close(14 [pid 1321] close(29 [pid 312] <... unlink resumed>) = 0 [pid 1324] close(14 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./205/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] close(15 [pid 1322] close(15 [pid 1324] close(15 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1321] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] close(16 [pid 1322] close(16 [pid 1321] <... exit_group resumed>) = ? [pid 312] newfstatat(AT_FDCWD, "./205/cgroup.cpu" [pid 1324] close(16 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1324] close(17) = -1 EBADF (Bad file descriptor) [pid 1324] close(18) = -1 EBADF (Bad file descriptor) [pid 1324] close(19) = -1 EBADF (Bad file descriptor) [pid 1324] close(20) = -1 EBADF (Bad file descriptor) [pid 1324] close(21 [pid 1321] +++ exited with 0 +++ [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1324] close(22 [pid 1323] close(17 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1322] close(17 [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./205/cgroup.cpu" [pid 1324] close(23 [pid 1323] close(18 [pid 1322] close(18 [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1324] close(24 [pid 1323] close(19 [pid 1322] close(19 [pid 312] umount2("./205/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1324] close(25 [pid 1323] close(20 [pid 1322] close(20 [pid 312] newfstatat(AT_FDCWD, "./205/cgroup" [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1324] close(26 [pid 1323] close(21 [pid 1322] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./205/cgroup" [pid 1324] close(27 [pid 1323] close(22 [pid 1322] close(22 [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1324] close(28 [pid 1323] close(23 [pid 1322] close(23 [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1324] close(29 [pid 1323] close(24 [pid 1322] close(24 [pid 1324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1324] exit_group(0) = ? [pid 1324] +++ exited with 0 +++ [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1323] close(25 [pid 1322] close(25 [pid 312] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1323] close(26 [pid 1322] close(26 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./205" [pid 1323] close(27 [pid 1322] close(27 [pid 312] <... rmdir resumed>) = 0 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./206", 0777 [pid 1323] close(28 [pid 1322] close(28 [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 1323] close(29 [pid 1322] close(29 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1323] exit_group(0 [pid 1322] exit_group(0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1323] <... exit_group resumed>) = ? [pid 1322] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1325 attached [pid 1325] set_robust_list(0x55555bb49760, 24) = 0 [pid 1325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1325] chdir("./206") = 0 [pid 1323] +++ exited with 0 +++ [pid 1325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1325] setpgid(0, 0) = 0 [pid 1325] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 1325] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 1322] +++ exited with 0 +++ [pid 1325] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 208 [pid 1325] <... symlink resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1325] <... openat resumed>) = 3 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1325] write(3, "1000", 4) = 4 [pid 1325] close(3 [pid 313] umount2("./207", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1325] symlink("/dev/binderfs", "./binderfs" [pid 313] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./200", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] <... symlink resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 310] umount2("./197", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] write(1, "executing program\n", 18 [pid 313] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1325] <... write resumed>) = 18 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1325] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] getdents64(3 [pid 310] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... openat resumed>) = 3 [pid 1325] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 3 executing program [pid 1325] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] fstat(3 [pid 310] fstat(3 [pid 1325] <... mount resumed>) = 0 [pid 313] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] getdents64(3 [pid 1325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 1325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] newfstatat(AT_FDCWD, "./207/config" [pid 310] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 1325] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1325] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] <... symlinkat resumed>) = 0 [pid 313] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 1325] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] <... unlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./200/config" [pid 1325] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] openat(AT_FDCWD, "./207/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1325] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./197/config" [pid 313] <... openat resumed>) = 4 [pid 311] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] close(3 [pid 313] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1325] close(4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] openat(AT_FDCWD, "./200/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1325] close(5 [pid 311] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] fstat(4 [pid 310] openat(AT_FDCWD, "./197/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1325] close(6 [pid 313] getdents64(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] getdents64(4 [pid 310] <... openat resumed>) = 4 [pid 1325] close(7 [pid 313] close(4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] fstat(4 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1325] close(8 [pid 313] rmdir("./207/config" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1325] close(9 [pid 313] <... rmdir resumed>) = 0 [pid 311] close(4 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1325] close(10 [pid 313] umount2("./207/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./200/config" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1325] close(11 [pid 313] newfstatat(AT_FDCWD, "./207/binderfs" [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] close(4 [pid 1325] close(12 [pid 313] unlink("./207/binderfs" [pid 311] umount2("./200/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1325] close(13 [pid 313] umount2("./207/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./197/config" [pid 311] newfstatat(AT_FDCWD, "./200/binderfs" [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1325] close(14 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] newfstatat(AT_FDCWD, "./207/cgroup.net" [pid 310] <... rmdir resumed>) = 0 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./200/binderfs" [pid 310] umount2("./197/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] close(15 [pid 313] unlink("./207/cgroup.net" [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 1325] close(16 [pid 311] umount2("./200/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./197/binderfs" [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./207/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1325] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./207/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./200/cgroup.net" [pid 309] <... restart_syscall resumed>) = 0 [pid 310] unlink("./197/binderfs" [pid 1325] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./207/cgroup.cpu" [pid 311] unlink("./200/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 1325] close(19 [pid 313] <... unlink resumed>) = 0 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./207/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./197/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./200/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./196", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./207/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1325] close(21 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./207/cgroup" [pid 311] newfstatat(AT_FDCWD, "./200/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./197/cgroup.net" [pid 309] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1325] close(22 [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] unlink("./200/cgroup.cpu" [pid 309] <... openat resumed>) = 3 [pid 1325] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./197/cgroup.net" [pid 309] fstat(3 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 311] umount2("./200/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] close(24 [pid 313] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./207" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./197/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] close(25 [pid 309] getdents64(3 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./200/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1325] close(26 [pid 313] mkdir("./208", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./197/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 311] unlink("./200/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] close(27 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./197/cgroup.cpu" [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(3 [pid 309] <... umount2 resumed>) = 0 [pid 1325] close(28 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1326 attached [pid 1325] close(29 [pid 311] close(3 [pid 310] umount2("./197/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1326] set_robust_list(0x55555bb49760, 24 [pid 1325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 210 [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./196/config" [pid 1326] <... set_robust_list resumed>) = 0 [pid 1325] exit_group(0 [pid 311] rmdir("./200" [pid 310] newfstatat(AT_FDCWD, "./197/cgroup" [pid 1326] rt_sigprocmask(SIG_SETMASK, [] [pid 1325] <... exit_group resumed>) = ? [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1326] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1326] chdir("./208") = 0 [pid 1326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1326] setpgid(0, 0) = 0 [pid 1325] +++ exited with 0 +++ [pid 1326] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 311] mkdir("./201", 0777 [pid 310] unlink("./197/cgroup" [pid 309] umount2("./196/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1326] <... symlink resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... mkdir resumed>) = 0 [pid 1326] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1326] <... symlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(3 [pid 309] openat(AT_FDCWD, "./196/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1326] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1326] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1326] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 1327 attached ) = 4 [pid 310] close(3 [pid 309] fstat(4 [pid 1327] set_robust_list(0x55555bb49760, 24 [pid 1326] close(3 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 203 [pid 1327] <... set_robust_list resumed>) = 0 [pid 1326] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1327] rt_sigprocmask(SIG_SETMASK, [] [pid 1326] symlink("/dev/binderfs", "./binderfs" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./197" [pid 309] getdents64(4 [pid 1327] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1326] <... symlink resumed>) = 0 [pid 1327] chdir("./201" [pid 1326] write(1, "executing program\n", 18 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1327] <... chdir resumed>) = 0 [pid 1326] <... write resumed>) = 18 [pid 310] mkdir("./198", 0777 [pid 309] getdents64(4 [pid 1327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1326] mkdirat(AT_FDCWD, "./config", 0777 [pid 1327] <... prctl resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1327] setpgid(0, 0 [pid 1326] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1327] <... setpgid resumed>) = 0 [pid 1326] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(4 [pid 1327] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 1326] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1327] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./196/config" [pid 1327] <... symlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1328 attached [pid 1327] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1326] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 1328] set_robust_list(0x55555bb49760, 24) = 0 [pid 1327] <... symlink resumed>) = 0 [pid 1328] rt_sigprocmask(SIG_SETMASK, [] [pid 1326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 200 [pid 309] umount2("./196/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1328] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1326] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1328] chdir("./198" [pid 1327] <... openat resumed>) = 3 [pid 1326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1328] <... chdir resumed>) = 0 [pid 1327] write(3, "1000", 4 [pid 1328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1327] <... write resumed>) = 4 [pid 1326] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./196/binderfs" [pid 1328] setpgid(0, 0 [pid 1327] close(3 [pid 1326] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1328] <... setpgid resumed>) = 0 [pid 1327] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1328] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1327] symlink("/dev/binderfs", "./binderfs" [pid 1326] <... symlinkat resumed>) = 0 [pid 309] unlink("./196/binderfs" [pid 1328] <... symlink resumed>) = 0 [pid 1327] <... symlink resumed>) = 0 [pid 1326] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1328] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1327] write(1, "executing program\n", 18 [pid 1326] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 executing program [pid 1328] <... symlink resumed>) = 0 [pid 1327] <... write resumed>) = 18 [pid 1326] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./196/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1328] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1327] mkdirat(AT_FDCWD, "./config", 0777 [pid 1328] <... symlink resumed>) = 0 [pid 1326] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1327] <... mkdirat resumed>) = 0 [pid 1326] close(3 [pid 309] newfstatat(AT_FDCWD, "./196/cgroup.net" [pid 1328] <... openat resumed>) = 3 [pid 1327] mount(NULL, "./config", "configfs", 0, NULL [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1328] write(3, "1000", 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1328] <... write resumed>) = 4 [pid 1327] <... mount resumed>) = 0 [pid 1326] close(4 [pid 309] unlink("./196/cgroup.net" [pid 1328] close(3 [pid 1327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1328] <... close resumed>) = 0 [pid 1327] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1326] close(5 [pid 309] <... unlink resumed>) = 0 [pid 1328] symlink("/dev/binderfs", "./binderfs" [pid 1327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./196/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1328] <... symlink resumed>) = 0 [pid 1327] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1326] close(6 [pid 1328] write(1, "executing program\n", 18 [pid 1327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1328] <... write resumed>) = 18 executing program [pid 1328] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1327] <... mkdirat resumed>) = 0 [pid 1326] close(7 [pid 309] newfstatat(AT_FDCWD, "./196/cgroup.cpu" [pid 1328] mount(NULL, "./config", "configfs", 0, NULL [pid 1327] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1328] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1327] <... symlinkat resumed>) = 0 [pid 1326] close(8 [pid 309] unlink("./196/cgroup.cpu" [pid 1328] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1327] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 1328] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1327] <... unlinkat resumed>) = 0 [pid 1326] close(9 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] umount2("./196/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1327] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1328] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1328] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 ENOENT (No such file or directory) [pid 1327] <... unlinkat resumed>) = 0 [pid 1326] close(10 [pid 309] newfstatat(AT_FDCWD, "./196/cgroup" [pid 1328] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1327] close(3 [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./206", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1328] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] close(11 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1328] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1327] close(4 [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./196/cgroup" [pid 1328] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] close(12 [pid 312] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1328] close(3 [pid 1327] close(5 [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] close(13 [pid 312] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 1328] close(4 [pid 1327] close(6 [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] close(14 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] close(3 [pid 1328] close(5 [pid 1327] close(7 [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] close(15 [pid 309] <... close resumed>) = 0 [pid 1328] close(6 [pid 1327] close(8 [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] rmdir("./196" [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] close(16 [pid 1328] close(7) = -1 EBADF (Bad file descriptor) [pid 1328] close(8) = -1 EBADF (Bad file descriptor) [pid 1328] close(9 [pid 1327] close(9 [pid 312] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1328] close(10 [pid 1327] close(10 [pid 1326] close(17 [pid 312] <... umount2 resumed>) = 0 [pid 309] mkdir("./197", 0777 [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1328] close(11 [pid 1327] close(11 [pid 1326] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./206/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1328] close(12 [pid 1327] close(12 [pid 1326] close(19 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1328] close(13 [pid 1327] close(13 [pid 1326] close(20 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1328] close(14) = -1 EBADF (Bad file descriptor) [pid 1328] close(15) = -1 EBADF (Bad file descriptor) [pid 1328] close(16) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1329 attached [pid 1328] close(17 [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./206/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1329] set_robust_list(0x55555bb49760, 24 [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] close(14 [pid 1326] close(21 [pid 1329] <... set_robust_list resumed>) = 0 [pid 1328] close(18 [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 199 [pid 1329] rt_sigprocmask(SIG_SETMASK, [] [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] close(15 [pid 1326] close(22 [pid 312] fstat(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1329] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1328] close(19 [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1329] chdir("./197" [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] close(16 [pid 1326] close(23 [pid 312] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1329] <... chdir resumed>) = 0 [pid 1328] close(20 [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] close(17 [pid 1326] close(24 [pid 312] getdents64(4 [pid 1329] <... prctl resumed>) = 0 [pid 1328] close(21 [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1329] setpgid(0, 0 [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] close(18 [pid 1326] close(25 [pid 312] close(4 [pid 1329] <... setpgid resumed>) = 0 [pid 1328] close(22 [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1329] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] close(19 [pid 1326] close(26 [pid 312] <... close resumed>) = 0 [pid 1329] <... symlink resumed>) = 0 [pid 1328] close(23 [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./206/config" [pid 1329] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] close(20 [pid 1326] close(27 [pid 1329] <... symlink resumed>) = 0 [pid 1328] close(24 [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1329] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] close(21 [pid 1326] close(28 [pid 312] umount2("./206/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1329] <... symlink resumed>) = 0 [pid 1328] close(25 [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] close(22 [pid 1326] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1329] <... openat resumed>) = 3 [pid 1329] write(3, "1000", 4) = 4 [pid 1329] close(3) = 0 [pid 1329] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1328] close(26 [pid 1329] write(1, "executing program\n", 18 [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./206/binderfs" [pid 1329] <... write resumed>) = 18 executing program [pid 1328] close(27 [pid 1327] close(23 [pid 1329] mkdirat(AT_FDCWD, "./config", 0777 [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1326] exit_group(0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1329] <... mkdirat resumed>) = 0 [pid 1328] close(28 [pid 1327] close(24 [pid 1326] <... exit_group resumed>) = ? [pid 312] unlink("./206/binderfs" [pid 1329] mount(NULL, "./config", "configfs", 0, NULL [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1329] <... mount resumed>) = 0 [pid 1329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1326] +++ exited with 0 +++ [pid 1329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1328] close(29 [pid 1327] close(25 [pid 312] <... unlink resumed>) = 0 [pid 1329] <... mkdirat resumed>) = 0 [pid 1328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./206/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1329] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1328] exit_group(0 [pid 1329] <... symlinkat resumed>) = 0 [pid 1327] close(26 [pid 1328] <... exit_group resumed>) = ? [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1329] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1329] <... unlinkat resumed>) = 0 [pid 1329] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1329] close(3 [pid 1328] +++ exited with 0 +++ [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./206/cgroup.net" [pid 1329] close(4 [pid 1327] close(27 [pid 313] umount2("./208", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1329] close(5 [pid 1327] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./206/cgroup.net" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... unlink resumed>) = 0 [pid 1329] close(6 [pid 1327] close(29 [pid 313] <... openat resumed>) = 3 [pid 312] umount2("./206/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1329] close(7 [pid 1327] exit_group(0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./206/cgroup.cpu" [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1327] <... exit_group resumed>) = ? [pid 313] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1329] close(8) = -1 EBADF (Bad file descriptor) [pid 1329] close(9) = -1 EBADF (Bad file descriptor) [pid 1329] close(10) = -1 EBADF (Bad file descriptor) [pid 1329] close(11) = -1 EBADF (Bad file descriptor) [pid 1329] close(12) = -1 EBADF (Bad file descriptor) [pid 1329] close(13) = -1 EBADF (Bad file descriptor) [pid 1329] close(14) = -1 EBADF (Bad file descriptor) [pid 1327] +++ exited with 0 +++ [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] unlink("./206/cgroup.cpu" [pid 1329] close(15 [pid 313] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1329] close(16 [pid 313] <... umount2 resumed>) = 0 [pid 312] umount2("./206/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1329] close(17 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./206/cgroup" [pid 1329] close(18 [pid 313] newfstatat(AT_FDCWD, "./208/config" [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1329] close(19 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./206/cgroup" [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1329] close(20 [pid 312] <... unlink resumed>) = 0 [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1329] close(21 [pid 313] openat(AT_FDCWD, "./208/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] getdents64(3 [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1329] close(22 [pid 313] <... openat resumed>) = 4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] close(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 1329] close(23 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... close resumed>) = 0 [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] rmdir("./206" [pid 1329] close(24 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... rmdir resumed>) = 0 [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] mkdir("./207", 0777 [pid 310] umount2("./198", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1329] close(25 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] close(4 [pid 1329] close(26 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1329] close(27 [pid 313] rmdir("./208/config" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... openat resumed>) = 3 [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1329] close(28 [pid 313] <... rmdir resumed>) = 0 [pid 1329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1329] close(29) = -1 EBADF (Bad file descriptor) [pid 1329] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1330 attached [pid 1329] +++ exited with 0 +++ [pid 313] umount2("./208/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 1330] set_robust_list(0x55555bb49760, 24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 209 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1330] <... set_robust_list resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./208/binderfs" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1330] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1330] chdir("./207" [pid 313] unlink("./208/binderfs" [pid 310] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1330] <... chdir resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] umount2("./208/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1330] <... prctl resumed>) = 0 [pid 310] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1330] setpgid(0, 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1330] <... setpgid resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./208/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1330] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./198/config" [pid 1330] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1330] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] unlink("./208/cgroup.net" [pid 310] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1330] <... symlink resumed>) = 0 [pid 1330] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1330] <... symlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./198/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./208/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 1330] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 1330] write(3, "1000", 4 [pid 313] newfstatat(AT_FDCWD, "./208/cgroup.cpu" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1330] <... write resumed>) = 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1330] close(3 [pid 313] unlink("./208/cgroup.cpu" [pid 310] getdents64(4 [pid 1330] <... close resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1330] symlink("/dev/binderfs", "./binderfs" [pid 313] umount2("./208/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1330] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1330] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1330] <... write resumed>) = 18 [pid 313] newfstatat(AT_FDCWD, "./208/cgroup" [pid 310] close(4 [pid 1330] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 1330] <... mkdirat resumed>) = 0 [pid 310] rmdir("./198/config" [pid 1330] mount(NULL, "./config", "configfs", 0, NULL [pid 313] unlink("./208/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 1330] <... mount resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./198/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] getdents64(3 [pid 1330] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] close(3 [pid 310] newfstatat(AT_FDCWD, "./198/binderfs" [pid 1330] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] rmdir("./208" [pid 310] unlink("./198/binderfs" [pid 1330] <... mkdirat resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 313] mkdir("./209", 0777 [pid 1330] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./198/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... mkdir resumed>) = 0 [pid 1330] <... symlinkat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1330] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1330] <... unlinkat resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1330] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./198/cgroup.net" [pid 311] <... restart_syscall resumed>) = 0 [pid 311] umount2("./201", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1331 attached [pid 311] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1331] set_robust_list(0x55555bb49760, 24 [pid 1330] <... unlinkat resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 211 [pid 311] <... openat resumed>) = 3 [pid 1331] <... set_robust_list resumed>) = 0 [pid 1330] close(3 [pid 311] fstat(3 [pid 310] unlink("./198/cgroup.net" [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1331] rt_sigprocmask(SIG_SETMASK, [] [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1330] close(4 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 1331] chdir("./209" [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./198/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1331] <... chdir resumed>) = 0 [pid 1330] close(5 [pid 311] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1331] <... prctl resumed>) = 0 [pid 1330] close(6 [pid 311] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./198/cgroup.cpu" [pid 1331] setpgid(0, 0 [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1331] <... setpgid resumed>) = 0 [pid 1330] close(7 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1331] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./201/config" [pid 310] unlink("./198/cgroup.cpu" [pid 1331] <... symlink resumed>) = 0 [pid 1330] close(8 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1331] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1331] <... symlink resumed>) = 0 [pid 1330] close(9 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./198/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 1331] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./201/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1331] <... symlink resumed>) = 0 [pid 1330] close(10 [pid 311] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./198/cgroup" [pid 1331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1331] <... openat resumed>) = 3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1331] write(3, "1000", 4 [pid 1330] close(11 [pid 311] getdents64(4 [pid 310] unlink("./198/cgroup" [pid 1331] <... write resumed>) = 4 [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./197", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1331] close(3 [pid 1330] close(12 [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 1331] <... close resumed>) = 0 [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1331] symlink("/dev/binderfs", "./binderfs" [pid 1330] close(13 [pid 311] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1331] <... symlink resumed>) = 0 [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] close(3 [pid 1331] write(1, "executing program\n", 18 [pid 1330] close(14 executing program [pid 311] rmdir("./201/config" [pid 309] <... openat resumed>) = 3 [pid 1331] <... write resumed>) = 18 [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] fstat(3 [pid 1331] mkdirat(AT_FDCWD, "./config", 0777 [pid 1330] close(15 [pid 311] umount2("./201/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./198" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1331] <... mkdirat resumed>) = 0 [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 1331] mount(NULL, "./config", "configfs", 0, NULL [pid 1330] close(16 [pid 311] newfstatat(AT_FDCWD, "./201/binderfs" [pid 310] mkdir("./199", 0777 [pid 309] getdents64(3 [pid 1331] <... mount resumed>) = 0 [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1330] close(17 [pid 311] unlink("./201/binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1331] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1330] close(18 [pid 311] umount2("./201/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1331] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = 0 [pid 1331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1330] close(19 [pid 311] newfstatat(AT_FDCWD, "./201/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1332 attached [pid 1331] <... mkdirat resumed>) = 0 [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1332] set_robust_list(0x55555bb49760, 24 [pid 1331] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1330] close(20 [pid 311] unlink("./201/cgroup.net" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 201 [pid 1332] <... set_robust_list resumed>) = 0 [pid 1331] <... symlinkat resumed>) = 0 [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1332] rt_sigprocmask(SIG_SETMASK, [] [pid 1331] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1330] close(21 [pid 311] umount2("./201/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./197/config" [pid 1332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1331] <... unlinkat resumed>) = 0 [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1332] chdir("./199" [pid 1331] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1330] close(22 [pid 311] newfstatat(AT_FDCWD, "./201/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1332] <... chdir resumed>) = 0 [pid 1331] <... unlinkat resumed>) = 0 [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1331] close(3 [pid 1330] close(23 [pid 311] unlink("./201/cgroup.cpu" [pid 309] umount2("./197/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1332] <... prctl resumed>) = 0 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1332] setpgid(0, 0 [pid 1331] close(4 [pid 1330] close(24 [pid 311] umount2("./201/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1332] <... setpgid resumed>) = 0 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./197/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1332] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1331] close(5 [pid 1330] close(25 [pid 311] newfstatat(AT_FDCWD, "./201/cgroup" [pid 1332] <... symlink resumed>) = 0 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 1332] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1331] close(6 [pid 1330] close(26 [pid 311] unlink("./201/cgroup" [pid 1332] <... symlink resumed>) = 0 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 1332] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1331] close(7 [pid 1330] close(27 [pid 311] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1332] <... symlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] close(3 [pid 1332] <... openat resumed>) = 3 [pid 311] <... close resumed>) = 0 [pid 1332] write(3, "1000", 4 [pid 311] rmdir("./201" [pid 1332] <... write resumed>) = 4 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 1332] close(3 [pid 1331] close(8 [pid 1330] close(28 [pid 311] mkdir("./202", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1332] <... close resumed>) = 0 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 1332] symlink("/dev/binderfs", "./binderfs" [pid 1331] close(9 [pid 1330] close(29 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1332] <... symlink resumed>) = 0 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] close(4 [pid 1332] write(1, "executing program\n", 18 [pid 1331] close(10 [pid 1330] exit_group(0 executing program [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1333 attached [pid 1332] <... write resumed>) = 18 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1330] <... exit_group resumed>) = ? [pid 309] <... close resumed>) = 0 [pid 1332] mkdirat(AT_FDCWD, "./config", 0777 [pid 1331] close(11 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 204 [pid 1332] <... mkdirat resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1332] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1332] <... mount resumed>) = 0 [pid 1330] +++ exited with 0 +++ [pid 1333] set_robust_list(0x55555bb49760, 24 [pid 1332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./197/config" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1333] <... set_robust_list resumed>) = 0 [pid 1332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1331] close(12 [pid 1332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1333] rt_sigprocmask(SIG_SETMASK, [] [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1331] close(13 [pid 309] umount2("./197/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1333] chdir("./202" [pid 1332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1333] <... chdir resumed>) = 0 [pid 1332] <... mkdirat resumed>) = 0 [pid 1331] close(14 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1332] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./197/binderfs" [pid 1333] <... prctl resumed>) = 0 [pid 1332] <... symlinkat resumed>) = 0 [pid 1331] close(15 [pid 1333] setpgid(0, 0 [pid 1332] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1333] <... setpgid resumed>) = 0 [pid 1332] <... unlinkat resumed>) = 0 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./197/binderfs" [pid 1333] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1332] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1331] close(16 [pid 1333] <... symlink resumed>) = 0 [pid 1332] <... unlinkat resumed>) = 0 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1333] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1332] close(3 [pid 1331] close(17 [pid 309] umount2("./197/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1333] <... symlink resumed>) = 0 [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1333] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1332] close(4 [pid 1331] close(18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1333] <... symlink resumed>) = 0 [pid 1332] close(5 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./197/cgroup.net" [pid 1333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1331] close(19 [pid 1332] close(6 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1333] <... openat resumed>) = 3 [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./197/cgroup.net" [pid 1333] write(3, "1000", 4 [pid 1332] close(7 [pid 1331] close(20 [pid 1333] <... write resumed>) = 4 [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1333] close(3 [pid 1332] close(8 [pid 1331] close(21 [pid 309] umount2("./197/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1333] <... close resumed>) = 0 [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1333] symlink("/dev/binderfs", "./binderfs" [pid 1332] close(9 [pid 1331] close(22 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1333] <... symlink resumed>) = 0 [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 309] newfstatat(AT_FDCWD, "./197/cgroup.cpu" [pid 1333] write(1, "executing program\n", 18 [pid 1332] close(10 [pid 1331] close(23 [pid 1333] <... write resumed>) = 18 [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1333] mkdirat(AT_FDCWD, "./config", 0777 [pid 1332] close(11 [pid 1331] close(24 [pid 309] unlink("./197/cgroup.cpu" [pid 1333] <... mkdirat resumed>) = 0 [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1333] mount(NULL, "./config", "configfs", 0, NULL [pid 1332] close(12 [pid 1331] close(25 [pid 309] <... unlink resumed>) = 0 [pid 1333] <... mount resumed>) = 0 [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1332] close(13 [pid 1331] close(26 [pid 309] umount2("./197/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1333] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1332] close(14 [pid 1331] close(27 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1333] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./197/cgroup" [pid 1333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1332] close(15 [pid 1331] close(28 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1332] close(16 [pid 1333] <... mkdirat resumed>) = 0 [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1333] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1332] close(17 [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./197/cgroup" [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1333] <... symlinkat resumed>) = 0 [pid 1332] close(18 [pid 1331] close(29 [pid 1333] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1333] <... unlinkat resumed>) = 0 [pid 1332] close(19) = -1 EBADF (Bad file descriptor) [pid 1331] exit_group(0 [pid 1333] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 1332] close(20 [pid 1331] <... exit_group resumed>) = ? [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1332] close(21 [pid 1333] <... unlinkat resumed>) = 0 [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1332] close(22) = -1 EBADF (Bad file descriptor) [pid 1332] close(23) = -1 EBADF (Bad file descriptor) [pid 1332] close(24) = -1 EBADF (Bad file descriptor) [pid 1332] close(25) = -1 EBADF (Bad file descriptor) [pid 1332] close(26) = -1 EBADF (Bad file descriptor) [pid 1332] close(27 [pid 1331] +++ exited with 0 +++ [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1333] close(3 [pid 1332] close(28 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 1333] close(4 [pid 1332] close(29 [pid 309] rmdir("./197" [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1333] close(5 [pid 1332] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1332] <... exit_group resumed>) = ? [pid 309] mkdir("./198", 0777 [pid 1333] close(6 [pid 1332] +++ exited with 0 +++ [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1333] close(7 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1333] close(8 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1333] close(9 [pid 312] umount2("./207", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1334 attached [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1334] set_robust_list(0x55555bb49760, 24 [pid 1333] close(10 [pid 312] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 200 [pid 1334] <... set_robust_list resumed>) = 0 [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1334] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1334] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1333] close(11 [pid 312] fstat(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1334] chdir("./198" [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1334] <... chdir resumed>) = 0 [pid 1333] close(12 [pid 312] getdents64(3 [pid 1334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1334] <... prctl resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1333] close(13 [pid 1334] setpgid(0, 0 [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1334] <... setpgid resumed>) = 0 [pid 1333] close(14 [pid 1334] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1334] <... symlink resumed>) = 0 [pid 1333] close(15 [pid 1334] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1334] <... symlink resumed>) = 0 [pid 1333] close(16 [pid 1334] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1334] <... symlink resumed>) = 0 [pid 1333] close(17 [pid 312] newfstatat(AT_FDCWD, "./207/config" [pid 1334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1334] <... openat resumed>) = 3 [pid 1333] close(18 [pid 1334] write(3, "1000", 4 [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1334] <... write resumed>) = 4 [pid 1333] close(19 [pid 1334] close(3 [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1334] <... close resumed>) = 0 [pid 1333] close(20 [pid 312] openat(AT_FDCWD, "./207/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1334] symlink("/dev/binderfs", "./binderfs" [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1334] <... symlink resumed>) = 0 [pid 1333] close(21 [pid 312] <... openat resumed>) = 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1334] write(1, "executing program\n", 18 [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1334] <... write resumed>) = 18 executing program [pid 1333] close(22 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1334] mkdirat(AT_FDCWD, "./config", 0777 [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1334] <... mkdirat resumed>) = 0 [pid 1334] mount(NULL, "./config", "configfs", 0, NULL [pid 1333] close(23 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1334] <... mount resumed>) = 0 [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] getdents64(4 [pid 310] umount2("./199", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1333] close(24 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1333] close(25 [pid 312] close(4 [pid 310] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./209", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 1334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1333] close(26 [pid 310] <... openat resumed>) = 3 [pid 1334] <... mkdirat resumed>) = 0 [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./207/config" [pid 310] fstat(3 [pid 1334] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1333] close(27 [pid 313] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1334] <... symlinkat resumed>) = 0 [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1334] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1333] close(28 [pid 313] <... openat resumed>) = 3 [pid 312] umount2("./207/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1334] <... unlinkat resumed>) = 0 [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 310] getdents64(3 [pid 1334] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1333] close(29 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1334] <... unlinkat resumed>) = 0 [pid 1333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1334] close(3 [pid 1333] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./207/binderfs" [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1333] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1334] close(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1334] close(5) = -1 EBADF (Bad file descriptor) [pid 1334] close(6) = -1 EBADF (Bad file descriptor) [pid 1334] close(7) = -1 EBADF (Bad file descriptor) [pid 1334] close(8) = -1 EBADF (Bad file descriptor) [pid 1334] close(9 [pid 1333] +++ exited with 0 +++ [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] unlink("./207/binderfs" [pid 1334] close(10 [pid 313] <... umount2 resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = 0 [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1334] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./207/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./209/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1334] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./199/config" [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./207/cgroup.net" [pid 1334] close(13 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1334] close(14 [pid 313] openat(AT_FDCWD, "./209/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] unlink("./207/cgroup.net" [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1334] close(15 [pid 313] fstat(4 [pid 312] umount2("./207/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./202", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./199/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1334] close(16 [pid 313] getdents64(4 [pid 312] newfstatat(AT_FDCWD, "./207/cgroup.cpu" [pid 311] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 4 [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] fstat(4 [pid 1334] close(17 [pid 313] getdents64(4 [pid 312] unlink("./207/cgroup.cpu" [pid 311] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(4 [pid 1334] close(18 [pid 313] close(4 [pid 312] umount2("./207/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1334] close(19 [pid 313] rmdir("./209/config" [pid 312] newfstatat(AT_FDCWD, "./207/cgroup" [pid 311] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1334] close(20 [pid 313] umount2("./209/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./207/cgroup" [pid 311] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1334] close(21 [pid 313] newfstatat(AT_FDCWD, "./209/binderfs" [pid 312] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./202/config" [pid 310] <... close resumed>) = 0 [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./199/config" [pid 1334] close(22 [pid 313] unlink("./209/binderfs" [pid 312] close(3 [pid 311] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 1334] close(23 [pid 313] umount2("./209/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./207" [pid 311] openat(AT_FDCWD, "./202/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./199/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 1334] close(24 [pid 313] newfstatat(AT_FDCWD, "./209/cgroup.net" [pid 312] mkdir("./208", 0777 [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1334] close(25 [pid 313] unlink("./209/cgroup.net" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./199/binderfs" [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1334] close(26 [pid 313] umount2("./209/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1334] close(27 [pid 311] close(4 [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1335 attached [pid 1334] close(28 [pid 313] newfstatat(AT_FDCWD, "./209/cgroup.cpu" [pid 311] rmdir("./202/config" [pid 310] unlink("./199/binderfs" [pid 1335] set_robust_list(0x55555bb49760, 24 [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 210 [pid 311] <... rmdir resumed>) = 0 [pid 1335] <... set_robust_list resumed>) = 0 [pid 1334] close(29 [pid 313] unlink("./209/cgroup.cpu" [pid 311] umount2("./202/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1335] rt_sigprocmask(SIG_SETMASK, [] [pid 1334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1335] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1334] exit_group(0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./202/binderfs" [pid 310] umount2("./199/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1335] chdir("./208" [pid 1334] <... exit_group resumed>) = ? [pid 313] umount2("./209/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1335] <... chdir resumed>) = 0 [pid 1334] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./202/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] newfstatat(AT_FDCWD, "./209/cgroup" [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./199/cgroup.net" [pid 1335] <... prctl resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./202/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1335] setpgid(0, 0 [pid 313] unlink("./209/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1335] <... setpgid resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./202/cgroup.net" [pid 310] unlink("./199/cgroup.net" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1335] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1335] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] unlink("./202/cgroup.net" [pid 310] umount2("./199/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1335] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] close(3 [pid 311] <... unlink resumed>) = 0 [pid 1335] <... symlink resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 311] umount2("./202/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1335] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] rmdir("./209" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./199/cgroup.cpu" [pid 1335] <... symlink resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./202/cgroup.cpu" [pid 1335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] mkdir("./210", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1335] <... openat resumed>) = 3 [pid 313] <... mkdir resumed>) = 0 [pid 311] unlink("./202/cgroup.cpu" [pid 310] unlink("./199/cgroup.cpu" [pid 309] <... restart_syscall resumed>) = 0 [pid 1335] write(3, "1000", 4 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... unlink resumed>) = 0 [pid 1335] <... write resumed>) = 4 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./202/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1335] close(3 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./199/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1335] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./202/cgroup" [pid 1335] symlink("/dev/binderfs", "./binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1336 attached [pid 1335] <... symlink resumed>) = 0 [pid 311] unlink("./202/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./198", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1336] set_robust_list(0x55555bb49760, 24 [pid 1335] write(1, "executing program\n", 18 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 212 [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./199/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1336] <... set_robust_list resumed>) = 0 executing program [pid 1335] <... write resumed>) = 18 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1336] rt_sigprocmask(SIG_SETMASK, [] [pid 1335] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] unlink("./199/cgroup" [pid 1336] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1335] <... mkdirat resumed>) = 0 [pid 311] close(3 [pid 309] <... openat resumed>) = 3 [pid 1336] chdir("./210" [pid 1335] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1336] <... chdir resumed>) = 0 [pid 1335] <... mount resumed>) = 0 [pid 311] rmdir("./202" [pid 309] fstat(3 [pid 1336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1336] <... prctl resumed>) = 0 [pid 1335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] mkdir("./203", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1336] setpgid(0, 0 [pid 1335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 1336] <... setpgid resumed>) = 0 [pid 1335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1336] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1336] <... symlink resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1336] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1335] <... mkdirat resumed>) = 0 [pid 310] rmdir("./199" [pid 309] <... umount2 resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1337 attached [pid 1336] <... symlink resumed>) = 0 [pid 1335] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 205 [pid 310] <... rmdir resumed>) = 0 [pid 1337] set_robust_list(0x55555bb49760, 24 [pid 1336] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1337] <... set_robust_list resumed>) = 0 [pid 1336] <... symlink resumed>) = 0 [pid 1335] <... symlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] mkdir("./200", 0777 [pid 1337] rt_sigprocmask(SIG_SETMASK, [] [pid 1336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1335] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1337] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1336] <... openat resumed>) = 3 [pid 1335] <... unlinkat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./198/config" [pid 1337] chdir("./203" [pid 1336] write(3, "1000", 4 [pid 1335] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1337] <... chdir resumed>) = 0 [pid 1336] <... write resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1336] close(3 [pid 1335] <... unlinkat resumed>) = 0 [pid 1337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1336] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./198/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1337] <... prctl resumed>) = 0 [pid 1336] symlink("/dev/binderfs", "./binderfs" [pid 1335] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1337] setpgid(0, 0 [pid 1336] <... symlink resumed>) = 0 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] write(1, "executing program\n", 18) = 18 [pid 1336] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 1336] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1338 attached [pid 1337] <... setpgid resumed>) = 0 [pid 1336] <... mount resumed>) = 0 [pid 1335] close(4 [pid 309] openat(AT_FDCWD, "./198/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1338] set_robust_list(0x55555bb49760, 24 [pid 1337] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1336] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 202 [pid 1338] <... set_robust_list resumed>) = 0 [pid 1337] <... symlink resumed>) = 0 [pid 1336] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1335] close(5 [pid 309] <... openat resumed>) = 4 [pid 1338] rt_sigprocmask(SIG_SETMASK, [] [pid 1337] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1336] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] fstat(4 [pid 1338] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1337] <... symlink resumed>) = 0 [pid 1336] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1335] close(6 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1338] chdir("./200" [pid 1337] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1336] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1338] <... chdir resumed>) = 0 [pid 1337] <... symlink resumed>) = 0 [pid 1336] <... mkdirat resumed>) = 0 [pid 1335] close(7 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1336] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1338] <... prctl resumed>) = 0 [pid 1337] <... openat resumed>) = 3 [pid 1336] <... symlinkat resumed>) = 0 [pid 1335] close(8 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1338] setpgid(0, 0 [pid 1337] write(3, "1000", 4 [pid 1336] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(4 [pid 1338] <... setpgid resumed>) = 0 [pid 1337] <... write resumed>) = 4 [pid 1336] <... unlinkat resumed>) = 0 [pid 1335] close(9 [pid 1338] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1337] close(3 [pid 1336] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... close resumed>) = 0 [pid 1338] <... symlink resumed>) = 0 [pid 1337] <... close resumed>) = 0 [pid 1336] <... unlinkat resumed>) = 0 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./198/config" executing program [pid 1338] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1337] symlink("/dev/binderfs", "./binderfs" [pid 1336] close(3 [pid 1335] close(10 [pid 1338] <... symlink resumed>) = 0 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1338] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1336] close(4 [pid 1338] <... symlink resumed>) = 0 [pid 1337] <... symlink resumed>) = 0 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./198/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1337] write(1, "executing program\n", 18 [pid 1336] close(5 [pid 1335] close(11 [pid 1338] <... openat resumed>) = 3 [pid 1337] <... write resumed>) = 18 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1338] write(3, "1000", 4 [pid 1337] mkdirat(AT_FDCWD, "./config", 0777 [pid 1336] close(6 [pid 1335] close(12 [pid 309] newfstatat(AT_FDCWD, "./198/binderfs" [pid 1338] <... write resumed>) = 4 [pid 1337] <... mkdirat resumed>) = 0 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1338] close(3 [pid 1337] mount(NULL, "./config", "configfs", 0, NULL [pid 1336] close(7 [pid 1335] close(13 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1338] <... close resumed>) = 0 [pid 1337] <... mount resumed>) = 0 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./198/binderfs" [pid 1338] symlink("/dev/binderfs", "./binderfs" [pid 1337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1336] close(8 [pid 1335] close(14 [pid 1338] <... symlink resumed>) = 0 [pid 1337] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1338] write(1, "executing program\n", 18 executing program [pid 1337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1336] close(9 [pid 1335] close(15 [pid 309] umount2("./198/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1338] <... write resumed>) = 18 [pid 1337] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1338] mkdirat(AT_FDCWD, "./config", 0777 [pid 1337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1336] close(10 [pid 1335] close(16 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1338] <... mkdirat resumed>) = 0 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1338] mount(NULL, "./config", "configfs", 0, NULL [pid 1336] close(11 [pid 1337] <... mkdirat resumed>) = 0 [pid 1338] <... mount resumed>) = 0 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./198/cgroup.net" [pid 1338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1337] <... symlinkat resumed>) = 0 [pid 1336] close(12 [pid 1335] close(17 [pid 1338] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1337] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1337] <... unlinkat resumed>) = 0 [pid 1336] close(13 [pid 1338] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1337] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] close(18 [pid 309] unlink("./198/cgroup.net" [pid 1338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1337] <... unlinkat resumed>) = 0 [pid 1336] close(14 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1338] <... mkdirat resumed>) = 0 [pid 1337] close(3 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] close(19 [pid 309] <... unlink resumed>) = 0 [pid 1338] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] close(15 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./198/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1338] <... symlinkat resumed>) = 0 [pid 1337] close(4 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] close(20 [pid 1338] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] close(16 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1338] <... unlinkat resumed>) = 0 [pid 1337] close(5 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] close(21 [pid 309] newfstatat(AT_FDCWD, "./198/cgroup.cpu" [pid 1338] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] close(17 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1338] <... unlinkat resumed>) = 0 [pid 1337] close(6 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] close(22 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1338] close(3 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] close(18 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./198/cgroup.cpu" [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(7 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] close(23 [pid 1338] close(4 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] close(19 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(8 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] close(24 [pid 309] umount2("./198/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1338] close(5 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] close(20 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(9 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] close(25 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1338] close(6 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] close(21 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./198/cgroup" [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(10 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] close(26 [pid 1338] close(7 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] close(22 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(11 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] close(27 [pid 309] unlink("./198/cgroup" [pid 1338] close(8 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] close(23 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(12 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] close(28 [pid 309] <... unlink resumed>) = 0 [pid 1338] close(9 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] close(24 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(13 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] close(29 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1338] close(10 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] close(25 [pid 1335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(14 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1338] close(11 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] close(26 [pid 1335] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(15 [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1335] <... exit_group resumed>) = ? [pid 309] rmdir("./198" [pid 1338] close(12 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] close(27 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1338] close(13 [pid 1336] close(28 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1338] close(14 [pid 1336] close(29 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1338] close(15 [pid 1336] exit_group(0 [pid 1335] +++ exited with 0 +++ [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(16 [pid 1336] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 1338] close(16 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1336] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] mkdir("./199", 0777 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(17 [pid 1338] close(17) = -1 EBADF (Bad file descriptor) [pid 1338] close(18 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... mkdir resumed>) = 0 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(18 [pid 313] umount2("./210", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1338] close(19 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(19 [pid 313] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1338] close(20 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1338] close(21) = -1 EBADF (Bad file descriptor) [pid 1338] close(22) = -1 EBADF (Bad file descriptor) [pid 1338] close(23) = -1 EBADF (Bad file descriptor) [pid 1338] close(24ci2-android-5-15/strace-static-x86_64: Process 1339 attached ) = -1 EBADF (Bad file descriptor) [pid 1337] close(20 [pid 313] fstat(3 [pid 1339] set_robust_list(0x55555bb49760, 24 [pid 1338] close(25 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 201 [pid 1339] <... set_robust_list resumed>) = 0 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(21 [pid 313] getdents64(3 [pid 1339] rt_sigprocmask(SIG_SETMASK, [] [pid 1338] close(26 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(22 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1339] chdir("./199" [pid 1338] close(27 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1339] <... chdir resumed>) = 0 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(23 [pid 1339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1338] close(28 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1339] <... prctl resumed>) = 0 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(24 [pid 313] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1339] setpgid(0, 0 [pid 1338] close(29 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1339] <... setpgid resumed>) = 0 [pid 1338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1337] close(25 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... restart_syscall resumed>) = 0 [pid 1339] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1338] exit_group(0 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./210/config" [pid 1339] <... symlink resumed>) = 0 [pid 1338] <... exit_group resumed>) = ? [pid 1337] close(26 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1339] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1338] +++ exited with 0 +++ [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1339] <... symlink resumed>) = 0 [pid 1337] close(27 [pid 1339] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./208", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1339] <... symlink resumed>) = 0 [pid 1337] close(28 [pid 313] openat(AT_FDCWD, "./210/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1339] <... openat resumed>) = 3 [pid 1337] close(29 [pid 313] fstat(4 [pid 312] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... restart_syscall resumed>) = 0 [pid 1339] write(3, "1000", 4 [pid 1337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1339] <... write resumed>) = 4 [pid 312] <... openat resumed>) = 3 [pid 1339] close(3 [pid 1337] exit_group(0 [pid 313] getdents64(4 [pid 312] fstat(3 [pid 1339] <... close resumed>) = 0 [pid 1337] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1339] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1339] write(1, "executing program\n", 18) = 18 [pid 1339] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1337] +++ exited with 0 +++ [pid 313] getdents64(4 [pid 312] getdents64(3 [pid 1339] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./200", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1339] <... mount resumed>) = 0 executing program [pid 313] close(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... close resumed>) = 0 [pid 312] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1339] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rmdir("./210/config" [pid 1339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1339] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rmdir resumed>) = 0 [pid 312] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] umount2("./210/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 1339] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 1339] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] newfstatat(AT_FDCWD, "./210/binderfs" [pid 312] newfstatat(AT_FDCWD, "./208/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1339] <... symlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1339] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] unlink("./210/binderfs" [pid 312] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1339] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1339] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] umount2("./210/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] openat(AT_FDCWD, "./208/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1339] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... openat resumed>) = 4 [pid 1339] close(3 [pid 313] newfstatat(AT_FDCWD, "./210/cgroup.net" [pid 312] fstat(4 [pid 310] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1339] close(4 [pid 313] unlink("./210/cgroup.net" [pid 310] <... umount2 resumed>) = 0 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1339] close(5 [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./210/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1339] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./200/config" [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./210/cgroup.cpu" [pid 312] close(4 [pid 1339] close(7 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./210/cgroup.cpu" [pid 312] rmdir("./208/config" [pid 310] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1339] close(8 [pid 313] <... unlink resumed>) = 0 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1339] close(9 [pid 313] umount2("./210/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./208/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./200/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1339] close(10 [pid 310] <... openat resumed>) = 4 [pid 312] newfstatat(AT_FDCWD, "./208/binderfs" [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./210/cgroup" [pid 310] fstat(4 [pid 1339] close(11 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./210/cgroup" [pid 312] unlink("./208/binderfs" [pid 310] getdents64(4 [pid 1339] close(12 [pid 313] <... unlink resumed>) = 0 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1339] close(13 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] umount2("./208/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1339] close(14 [pid 313] <... close resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./208/cgroup.net" [pid 311] <... restart_syscall resumed>) = 0 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./210" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 1339] close(15 [pid 313] <... rmdir resumed>) = 0 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./208/cgroup.net" [pid 310] <... close resumed>) = 0 [pid 1339] close(16 [pid 313] mkdir("./211", 0777 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./203", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./200/config" [pid 1339] close(17 [pid 313] <... mkdir resumed>) = 0 [pid 312] umount2("./208/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 1339] close(18 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./208/cgroup.cpu" [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... openat resumed>) = 3 [pid 310] umount2("./200/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1340 attached [pid 1339] close(19 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1340] set_robust_list(0x55555bb49760, 24 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 213 [pid 312] unlink("./208/cgroup.cpu" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./200/binderfs" [pid 1340] <... set_robust_list resumed>) = 0 [pid 1339] close(20 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1340] rt_sigprocmask(SIG_SETMASK, [] [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1339] close(21 [pid 312] umount2("./208/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] unlink("./200/binderfs" [pid 1340] chdir("./211" [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1340] <... chdir resumed>) = 0 [pid 1339] close(22 [pid 312] newfstatat(AT_FDCWD, "./208/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 1340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] umount2("./200/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1340] <... prctl resumed>) = 0 [pid 1339] close(23 [pid 312] unlink("./208/cgroup" [pid 311] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1340] setpgid(0, 0 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1340] <... setpgid resumed>) = 0 [pid 1339] close(24 [pid 312] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./200/cgroup.net" [pid 1340] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./203/config" [pid 1340] <... symlink resumed>) = 0 [pid 1339] close(25 [pid 1340] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] <... symlink resumed>) = 0 [pid 1339] close(26 [pid 312] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1340] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./200/cgroup.net" [pid 1340] <... symlink resumed>) = 0 [pid 1339] close(27 [pid 312] rmdir("./208" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1340] <... openat resumed>) = 3 [pid 1339] close(28 [pid 312] <... rmdir resumed>) = 0 [pid 311] openat(AT_FDCWD, "./203/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./200/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1340] write(3, "1000", 4 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./209", 0777 [pid 311] <... openat resumed>) = 4 [pid 1340] <... write resumed>) = 4 [pid 1339] close(29 [pid 312] <... mkdir resumed>) = 0 [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1340] close(3 [pid 1339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./200/cgroup.cpu" [pid 1340] <... close resumed>) = 0 [pid 1339] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(4 [pid 1340] symlink("/dev/binderfs", "./binderfs" [pid 1339] <... exit_group resumed>) = ? [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1340] <... symlink resumed>) = 0 [pid 1339] +++ exited with 0 +++ [pid 1340] write(1, "executing program\n", 18) = 18 [pid 1340] mkdirat(AT_FDCWD, "./config", 0777) = 0 ci2-android-5-15/strace-static-x86_64: Process 1341 attached executing program [pid 1340] mount(NULL, "./config", "configfs", 0, NULL [pid 311] getdents64(4 [pid 310] unlink("./200/cgroup.cpu" [pid 1341] set_robust_list(0x55555bb49760, 24 [pid 1340] <... mount resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 211 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1341] <... set_robust_list resumed>) = 0 [pid 1340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1341] rt_sigprocmask(SIG_SETMASK, [] [pid 1340] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] close(4 [pid 310] umount2("./200/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1341] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1341] chdir("./209" [pid 1340] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rmdir("./203/config" [pid 310] newfstatat(AT_FDCWD, "./200/cgroup" [pid 1341] <... chdir resumed>) = 0 [pid 1340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1341] <... prctl resumed>) = 0 [pid 1340] <... mkdirat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 311] umount2("./203/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./200/cgroup" [pid 1341] setpgid(0, 0 [pid 1340] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1341] <... setpgid resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1341] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1340] <... symlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./203/binderfs" [pid 1341] <... symlink resumed>) = 0 [pid 1340] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(3 [pid 1341] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1341] <... symlink resumed>) = 0 [pid 1340] <... unlinkat resumed>) = 0 [pid 311] unlink("./203/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./199", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1341] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1340] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... unlink resumed>) = 0 [pid 1341] <... symlink resumed>) = 0 [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1340] <... unlinkat resumed>) = 0 [pid 311] umount2("./203/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1341] <... openat resumed>) = 3 [pid 1340] close(3 [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1341] write(3, "1000", 4 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./200" [pid 1341] <... write resumed>) = 4 [pid 1340] close(4 [pid 311] newfstatat(AT_FDCWD, "./203/cgroup.net" [pid 309] <... openat resumed>) = 3 [pid 1341] close(3 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 1341] <... close resumed>) = 0 [pid 1340] close(5 [pid 311] unlink("./203/cgroup.net" [pid 310] mkdir("./201", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1341] symlink("/dev/binderfs", "./binderfs" [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1341] <... symlink resumed>) = 0 [pid 1340] close(6 [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 1341] write(1, "executing program\n", 18 [pid 311] umount2("./203/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1341] <... write resumed>) = 18 executing program [pid 1341] mkdirat(AT_FDCWD, "./config", 0777 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1341] <... mkdirat resumed>) = 0 [pid 1340] close(7 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1341] mount(NULL, "./config", "configfs", 0, NULL [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./203/cgroup.cpu" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1341] <... mount resumed>) = 0 [pid 1340] close(8 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 1342 attached [pid 1341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./203/cgroup.cpu" [pid 309] <... umount2 resumed>) = 0 [pid 1342] set_robust_list(0x55555bb49760, 24 [pid 1341] <... mkdirat resumed>) = 0 [pid 1340] close(9 [pid 1342] <... set_robust_list resumed>) = 0 [pid 1341] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 203 [pid 309] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1342] rt_sigprocmask(SIG_SETMASK, [] [pid 1341] <... symlinkat resumed>) = 0 [pid 1340] close(10 [pid 311] umount2("./203/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1342] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1341] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1342] chdir("./201" [pid 1341] <... unlinkat resumed>) = 0 [pid 1340] close(11 [pid 311] newfstatat(AT_FDCWD, "./203/cgroup" [pid 309] newfstatat(AT_FDCWD, "./199/config" [pid 1342] <... chdir resumed>) = 0 [pid 1341] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1342] <... prctl resumed>) = 0 [pid 1341] <... unlinkat resumed>) = 0 [pid 1340] close(12 [pid 311] unlink("./203/cgroup" [pid 1342] setpgid(0, 0 [pid 1341] close(3 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./199/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1342] <... setpgid resumed>) = 0 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] close(13 [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1342] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1341] close(4 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 309] openat(AT_FDCWD, "./199/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1342] <... symlink resumed>) = 0 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] close(14 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1342] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1341] close(5 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 309] <... openat resumed>) = 4 [pid 1342] <... symlink resumed>) = 0 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] close(15 [pid 311] <... close resumed>) = 0 [pid 1342] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1341] close(6 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./203" [pid 309] fstat(4 [pid 1342] <... symlink resumed>) = 0 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] close(16 [pid 1342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1341] close(7 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1342] <... openat resumed>) = 3 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] close(17 [pid 311] mkdir("./204", 0777 [pid 309] getdents64(4 [pid 1342] write(3, "1000", 4 [pid 1341] close(8 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] <... write resumed>) = 4 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] close(18 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1342] close(3 [pid 1341] close(9 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 1342] <... close resumed>) = 0 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] close(19 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1342] symlink("/dev/binderfs", "./binderfs" [pid 1341] close(10 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(4 [pid 1342] <... symlink resumed>) = 0 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] close(20 [pid 1342] write(1, "executing program\n", 18) = 18 [pid 1342] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 1342] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1343 attached ) = 0 [pid 1341] close(11 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1343] set_robust_list(0x55555bb49760, 24 [pid 1342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] close(21 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 206 [pid 309] rmdir("./199/config" [pid 1343] <... set_robust_list resumed>) = 0 [pid 1342] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1341] close(12 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1343] rt_sigprocmask(SIG_SETMASK, [] [pid 1342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] close(22 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 1343] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1342] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1341] close(13 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./199/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1343] chdir("./204" [pid 1342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] close(23 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1343] <... chdir resumed>) = 0 [pid 1342] <... mkdirat resumed>) = 0 [pid 1341] close(14 [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./199/binderfs" [pid 1343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1342] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] close(24 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1343] <... prctl resumed>) = 0 [pid 1342] <... symlinkat resumed>) = 0 [pid 1341] close(15 [pid 1343] setpgid(0, 0 [pid 1342] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./199/binderfs" [pid 1343] <... setpgid resumed>) = 0 [pid 1342] <... unlinkat resumed>) = 0 [pid 1341] close(16 [pid 1340] close(25 [pid 1343] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1342] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1343] <... symlink resumed>) = 0 [pid 1343] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 1343] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 1342] <... unlinkat resumed>) = 0 [pid 1341] close(17 [pid 1340] close(26 [pid 309] umount2("./199/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1342] close(3 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1343] <... openat resumed>) = 3 [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1341] close(18 [pid 1340] close(27 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1343] write(3, "1000", 4 [pid 1342] close(4 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./199/cgroup.net" [pid 1343] <... write resumed>) = 4 [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1341] close(19 [pid 1340] close(28 [pid 1343] close(3 [pid 1342] close(5 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1343] <... close resumed>) = 0 [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1341] close(20 [pid 1340] close(29 [pid 309] unlink("./199/cgroup.net" [pid 1343] symlink("/dev/binderfs", "./binderfs" [pid 1342] close(6 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1343] <... symlink resumed>) = 0 [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1341] close(21 [pid 309] <... unlink resumed>) = 0 [pid 1343] write(1, "executing program\n", 18 [pid 1342] close(7 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1340] exit_group(0 [pid 309] umount2("./199/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1343] <... write resumed>) = 18 executing program [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1341] close(22 [pid 1340] <... exit_group resumed>) = ? [pid 1343] mkdirat(AT_FDCWD, "./config", 0777 [pid 1342] close(8 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1343] <... mkdirat resumed>) = 0 [pid 1343] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1340] +++ exited with 0 +++ [pid 1343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] newfstatat(AT_FDCWD, "./199/cgroup.cpu" [pid 1343] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1341] close(23 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1342] close(9 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1343] <... mkdirat resumed>) = 0 [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1341] close(24 [pid 309] unlink("./199/cgroup.cpu" [pid 1343] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1342] close(10 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1343] <... symlinkat resumed>) = 0 [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1341] close(25 [pid 309] <... unlink resumed>) = 0 [pid 1343] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1342] close(11 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1343] <... unlinkat resumed>) = 0 [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1341] close(26 [pid 309] umount2("./199/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1343] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1342] close(12 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1343] <... unlinkat resumed>) = 0 [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1341] close(27 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1343] close(3 [pid 1342] close(13 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./199/cgroup" [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1341] close(28 [pid 1343] close(4 [pid 1342] close(14 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1341] close(29 [pid 309] unlink("./199/cgroup" [pid 1343] close(5 [pid 1342] close(15 [pid 1341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1343] close(6 [pid 1342] close(16 [pid 1341] exit_group(0 [pid 309] getdents64(3 [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1341] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1343] close(7 [pid 1342] close(17 [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1343] close(8) = -1 EBADF (Bad file descriptor) [pid 1343] close(9) = -1 EBADF (Bad file descriptor) [pid 1343] close(10) = -1 EBADF (Bad file descriptor) [pid 1343] close(11) = -1 EBADF (Bad file descriptor) [pid 1343] close(12 [pid 1341] +++ exited with 0 +++ [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1343] close(13 [pid 1342] close(18 [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 1343] close(14 [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./199" [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] close(19 [pid 1343] close(15) = -1 EBADF (Bad file descriptor) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1343] close(16 [pid 1342] close(20 [pid 309] mkdir("./200", 0777 [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1343] close(17 [pid 1342] close(21 [pid 309] <... mkdir resumed>) = 0 [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1343] close(18 [pid 1342] close(22 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1343] close(19) = -1 EBADF (Bad file descriptor) [pid 1342] close(23 [pid 1343] close(20) = -1 EBADF (Bad file descriptor) [pid 1343] close(21) = -1 EBADF (Bad file descriptor) [pid 1343] close(22ci2-android-5-15/strace-static-x86_64: Process 1344 attached ) = -1 EBADF (Bad file descriptor) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1344] set_robust_list(0x55555bb49760, 24 [pid 1343] close(23 [pid 1342] close(24 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 202 [pid 1344] <... set_robust_list resumed>) = 0 [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1344] rt_sigprocmask(SIG_SETMASK, [] [pid 1343] close(24 [pid 1342] close(25 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1344] chdir("./200" [pid 1343] close(25 [pid 1342] close(26 [pid 1344] <... chdir resumed>) = 0 [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1343] close(26 [pid 1344] <... prctl resumed>) = 0 [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] close(27 [pid 1344] setpgid(0, 0 [pid 1343] close(27 [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1344] <... setpgid resumed>) = 0 [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] close(28 [pid 313] <... restart_syscall resumed>) = 0 [pid 1344] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1343] close(28 [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1344] <... symlink resumed>) = 0 [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1342] close(29 [pid 1344] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1343] close(29 [pid 1342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1344] <... symlink resumed>) = 0 [pid 1343] exit_group(0 [pid 1342] exit_group(0 [pid 313] umount2("./211", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1344] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1343] <... exit_group resumed>) = ? [pid 1342] <... exit_group resumed>) = ? [pid 1344] <... symlink resumed>) = 0 [pid 1343] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1342] +++ exited with 0 +++ [pid 313] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... openat resumed>) = 3 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1344] <... openat resumed>) = 3 [pid 313] fstat(3 [pid 1344] write(3, "1000", 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1344] <... write resumed>) = 4 [pid 1344] close(3 [pid 313] getdents64(3 [pid 1344] <... close resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1344] symlink("/dev/binderfs", "./binderfs" [pid 313] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1344] <... symlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 1344] write(1, "executing program\n", 18 [pid 313] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1344] <... write resumed>) = 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./211/config" [pid 1344] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./201", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1344] <... mkdirat resumed>) = 0 [pid 313] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 1344] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1344] <... mount resumed>) = 0 [pid 313] openat(AT_FDCWD, "./211/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... openat resumed>) = 4 [pid 1344] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] fstat(4 [pid 310] <... openat resumed>) = 3 [pid 1344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] fstat(3 [pid 1344] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 1344] <... mkdirat resumed>) = 0 [pid 313] getdents64(4 [pid 1344] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1344] <... symlinkat resumed>) = 0 [pid 313] close(4 [pid 1344] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... close resumed>) = 0 [pid 1344] <... unlinkat resumed>) = 0 [pid 313] rmdir("./211/config") = 0 [pid 1344] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = 0 [pid 313] umount2("./211/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1344] <... unlinkat resumed>) = 0 [pid 310] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1344] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./211/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1344] close(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./201/config" [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./211/binderfs" [pid 1344] close(5 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1344] close(6 [pid 310] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... restart_syscall resumed>) = 0 [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./211/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1344] close(7 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./211/cgroup.net" [pid 1344] close(8 [pid 312] umount2("./209", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./201/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1344] close(9 [pid 313] unlink("./211/cgroup.net" [pid 310] <... openat resumed>) = 4 [pid 312] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 310] fstat(4 [pid 1344] close(10 [pid 313] umount2("./211/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(4 [pid 1344] close(11 [pid 313] newfstatat(AT_FDCWD, "./211/cgroup.cpu" [pid 312] getdents64(3 [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1344] close(12 [pid 313] unlink("./211/cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1344] close(13 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./211/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1344] close(14 [pid 312] <... umount2 resumed>) = 0 [pid 310] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... restart_syscall resumed>) = 0 [pid 1344] close(15 [pid 313] newfstatat(AT_FDCWD, "./211/cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./209/config" [pid 1344] close(16 [pid 313] unlink("./211/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./201/config" [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./204", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1344] close(17 [pid 313] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./201/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1344] close(18 [pid 313] close(3 [pid 312] openat(AT_FDCWD, "./209/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 311] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1344] close(19 [pid 313] rmdir("./211" [pid 312] fstat(4 [pid 311] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./201/binderfs" [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1344] close(20 [pid 313] mkdir("./212", 0777 [pid 312] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 313] <... mkdir resumed>) = 0 [pid 1344] close(21 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] unlink("./201/binderfs" [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] getdents64(4 [pid 311] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1344] close(22 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] close(4 [pid 311] <... umount2 resumed>) = 0 [pid 310] umount2("./201/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1344] close(23ci2-android-5-15/strace-static-x86_64: Process 1345 attached [pid 312] <... close resumed>) = 0 [pid 311] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1345] set_robust_list(0x55555bb49760, 24 [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 214 [pid 312] rmdir("./209/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1345] <... set_robust_list resumed>) = 0 [pid 1344] close(24 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./201/cgroup.net" [pid 1345] rt_sigprocmask(SIG_SETMASK, [] [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./209/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./204/config" [pid 1345] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1344] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1345] chdir("./212" [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./209/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./201/cgroup.net" [pid 1345] <... chdir resumed>) = 0 [pid 1344] close(26 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./209/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 1345] <... prctl resumed>) = 0 [pid 1344] close(27 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1345] setpgid(0, 0 [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./204/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./201/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1345] <... setpgid resumed>) = 0 [pid 1344] close(28 [pid 312] umount2("./209/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 4 [pid 1345] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1345] <... symlink resumed>) = 0 [pid 1344] close(29 [pid 312] newfstatat(AT_FDCWD, "./209/cgroup.net" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./201/cgroup.cpu" [pid 1345] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1345] <... symlink resumed>) = 0 [pid 1344] exit_group(0 [pid 312] unlink("./209/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] unlink("./201/cgroup.cpu" [pid 1345] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1344] <... exit_group resumed>) = ? [pid 312] <... unlink resumed>) = 0 [pid 1345] <... symlink resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 1345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1345] write(3, "1000", 4) = 4 [pid 1345] close(3) = 0 [pid 1345] symlink("/dev/binderfs", "./binderfs" [pid 1344] +++ exited with 0 +++ [pid 1345] <... symlink resumed>) = 0 [pid 312] umount2("./209/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./201/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1345] write(1, "executing program\n", 18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 1345] <... write resumed>) = 18 [pid 312] newfstatat(AT_FDCWD, "./209/cgroup.cpu" [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./201/cgroup" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1345] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./204/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1345] <... mkdirat resumed>) = 0 [pid 312] unlink("./209/cgroup.cpu" [pid 311] <... rmdir resumed>) = 0 [pid 310] unlink("./201/cgroup" [pid 1345] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./204/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] umount2("./209/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1345] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./204/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] newfstatat(AT_FDCWD, "./209/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 1345] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1345] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./204/binderfs" [pid 310] <... close resumed>) = 0 [pid 1345] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] unlink("./209/cgroup" [pid 1345] <... unlinkat resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./201" [pid 1345] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./204/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1345] <... unlinkat resumed>) = 0 [pid 312] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 1345] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./202", 0777 [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] newfstatat(AT_FDCWD, "./204/cgroup.net" [pid 1345] close(4 [pid 312] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./209" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1345] close(5 [pid 312] <... rmdir resumed>) = 0 [pid 311] unlink("./204/cgroup.net" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./210", 0777 [pid 1345] close(6 [pid 311] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 311] umount2("./204/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1345] close(7) = -1 EBADF (Bad file descriptor) [pid 1345] close(8) = -1 EBADF (Bad file descriptor) [pid 1345] close(9) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1346 attached [pid 1345] close(10 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1346] set_robust_list(0x55555bb49760, 24 [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./204/cgroup.cpu" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 204 [pid 1346] <... set_robust_list resumed>) = 0 [pid 1345] close(11 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1346] rt_sigprocmask(SIG_SETMASK, [] [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1346] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1345] close(12 [pid 1346] chdir("./202" [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1347 attached [pid 1346] <... chdir resumed>) = 0 [pid 1345] close(13 [pid 311] unlink("./204/cgroup.cpu" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1347] set_robust_list(0x55555bb49760, 24 [pid 1346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 212 [pid 311] <... unlink resumed>) = 0 [pid 1347] <... set_robust_list resumed>) = 0 [pid 1346] <... prctl resumed>) = 0 [pid 1345] close(14 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1346] setpgid(0, 0 [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] umount2("./204/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1347] rt_sigprocmask(SIG_SETMASK, [] [pid 1346] <... setpgid resumed>) = 0 [pid 1345] close(15 [pid 1347] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1346] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./200", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1347] chdir("./210" [pid 1346] <... symlink resumed>) = 0 [pid 1345] close(16 [pid 311] newfstatat(AT_FDCWD, "./204/cgroup" [pid 1347] <... chdir resumed>) = 0 [pid 1346] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1346] <... symlink resumed>) = 0 [pid 1345] close(17 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1347] <... prctl resumed>) = 0 [pid 1346] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./204/cgroup" [pid 1347] setpgid(0, 0 [pid 1346] <... symlink resumed>) = 0 [pid 1345] close(18 [pid 309] <... openat resumed>) = 3 [pid 1347] <... setpgid resumed>) = 0 [pid 1346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1347] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1346] <... openat resumed>) = 3 [pid 1345] close(19 [pid 311] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1347] <... symlink resumed>) = 0 [pid 1346] write(3, "1000", 4 [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1347] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1346] <... write resumed>) = 4 [pid 1345] close(20 [pid 309] getdents64(3 [pid 1347] <... symlink resumed>) = 0 [pid 1346] close(3 [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 1347] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1346] <... close resumed>) = 0 [pid 1345] close(21 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1347] <... symlink resumed>) = 0 [pid 1346] symlink("/dev/binderfs", "./binderfs" [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1346] <... symlink resumed>) = 0 [pid 1345] close(22 [pid 311] rmdir("./204" [pid 1346] write(1, "executing program\n", 18 [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 executing program [pid 1347] <... openat resumed>) = 3 [pid 1346] <... write resumed>) = 18 [pid 1345] close(23 [pid 311] <... rmdir resumed>) = 0 [pid 309] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1347] write(3, "1000", 4 [pid 1346] mkdirat(AT_FDCWD, "./config", 0777 [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] mkdir("./205", 0777 [pid 1347] <... write resumed>) = 4 [pid 1346] <... mkdirat resumed>) = 0 [pid 1345] close(24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1347] close(3 [pid 1346] mount(NULL, "./config", "configfs", 0, NULL [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 1347] <... close resumed>) = 0 [pid 1346] <... mount resumed>) = 0 [pid 1345] close(25 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./200/config" [pid 1347] symlink("/dev/binderfs", "./binderfs" [pid 1346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1346] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1345] close(26 [pid 1346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1345] close(27 [pid 1346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1347] <... symlink resumed>) = 0 [pid 1346] <... mkdirat resumed>) = 0 [pid 1345] close(28 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1347] write(1, "executing program\n", 18 [pid 1346] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./200/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1346] <... symlinkat resumed>) = 0 [pid 1345] close(29 [pid 1346] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1345] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1348 attached [pid 1347] <... write resumed>) = 18 [pid 1346] <... unlinkat resumed>) = 0 executing program [pid 1345] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1348] set_robust_list(0x55555bb49760, 24 [pid 1347] mkdirat(AT_FDCWD, "./config", 0777 [pid 1346] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1345] <... exit_group resumed>) = ? [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 207 [pid 309] openat(AT_FDCWD, "./200/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1348] <... set_robust_list resumed>) = 0 [pid 1347] <... mkdirat resumed>) = 0 [pid 1346] <... unlinkat resumed>) = 0 [pid 1345] +++ exited with 0 +++ [pid 1347] mount(NULL, "./config", "configfs", 0, NULL [pid 1346] close(3 [pid 309] <... openat resumed>) = 4 [pid 1348] rt_sigprocmask(SIG_SETMASK, [] [pid 1347] <... mount resumed>) = 0 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1346] close(4 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(4 [pid 1348] chdir("./205" [pid 1347] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1348] <... chdir resumed>) = 0 [pid 1347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1346] close(5 [pid 1348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1347] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1348] <... prctl resumed>) = 0 [pid 1347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1346] close(6 [pid 1348] setpgid(0, 0 [pid 1347] <... mkdirat resumed>) = 0 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1348] <... setpgid resumed>) = 0 [pid 1347] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1346] close(7 [pid 309] getdents64(4 [pid 1348] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] <... symlinkat resumed>) = 0 [pid 1346] close(8 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1348] <... symlink resumed>) = 0 [pid 1347] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1348] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1346] close(9 [pid 309] close(4 [pid 1347] <... unlinkat resumed>) = 0 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1348] <... symlink resumed>) = 0 [pid 1347] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1346] close(10 [pid 309] <... close resumed>) = 0 [pid 1348] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] <... unlinkat resumed>) = 0 [pid 1346] close(11 [pid 309] rmdir("./200/config" [pid 1348] <... symlink resumed>) = 0 [pid 1347] close(3 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] close(12 [pid 309] <... rmdir resumed>) = 0 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1348] <... openat resumed>) = 3 [pid 1346] close(13 [pid 309] umount2("./200/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1348] write(3, "1000", 4 [pid 1347] close(4 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1348] <... write resumed>) = 4 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] close(14 [pid 313] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1348] close(3 [pid 1347] close(5 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./200/binderfs" [pid 1348] <... close resumed>) = 0 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] close(15 [pid 1348] symlink("/dev/binderfs", "./binderfs" [pid 1347] close(6 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./212", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1348] <... symlink resumed>) = 0 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] close(16 [pid 309] unlink("./200/binderfs" [pid 1348] write(1, "executing program\n", 18 [pid 1347] close(7 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1348] <... write resumed>) = 18 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] close(17 [pid 309] <... unlink resumed>) = 0 [pid 313] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1348] mkdirat(AT_FDCWD, "./config", 0777 [pid 1347] close(8 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./200/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1348] <... mkdirat resumed>) = 0 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] close(18 [pid 313] <... openat resumed>) = 3 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] close(19) = -1 EBADF (Bad file descriptor) [pid 1346] close(20) = -1 EBADF (Bad file descriptor) [pid 1346] close(21 [pid 1347] close(9 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] fstat(3 [pid 1348] mount(NULL, "./config", "configfs", 0, NULL [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] close(22 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./200/cgroup.net" [pid 1348] <... mount resumed>) = 0 [pid 1347] close(10 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] close(23 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1348] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1347] close(11 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] close(24 [pid 313] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./200/cgroup.net" [pid 1348] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1347] close(12 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] close(25 [pid 313] <... umount2 resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1348] <... mkdirat resumed>) = 0 [pid 1347] close(13 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./200/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1348] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] close(26 [pid 313] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1348] <... symlinkat resumed>) = 0 [pid 1347] close(14 [pid 1346] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./200/cgroup.cpu" [pid 1348] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./212/config" [pid 1348] <... unlinkat resumed>) = 0 [pid 1347] close(15 [pid 1346] close(28 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1348] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1346] close(29 [pid 309] unlink("./200/cgroup.cpu" [pid 1348] <... unlinkat resumed>) = 0 [pid 1347] close(16 [pid 1346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1348] close(3 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] exit_group(0 [pid 313] openat(AT_FDCWD, "./212/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] close(17 [pid 1346] <... exit_group resumed>) = ? [pid 313] <... openat resumed>) = 4 [pid 1348] close(4 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1346] +++ exited with 0 +++ [pid 313] fstat(4 [pid 309] umount2("./200/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] close(18 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1348] close(5 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(4 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] close(19 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./200/cgroup" [pid 1348] close(6 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] close(20 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1348] close(7 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] close(21 [pid 309] unlink("./200/cgroup" [pid 1348] close(8 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] close(22 [pid 309] <... unlink resumed>) = 0 [pid 1348] close(9 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./212/config" [pid 309] getdents64(3 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] close(23 [pid 1348] close(10 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] close(24 [pid 313] umount2("./212/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1348] close(11 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] close(25 [pid 313] newfstatat(AT_FDCWD, "./212/binderfs" [pid 309] rmdir("./200" [pid 1348] close(12 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] close(26 [pid 313] unlink("./212/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 1348] close(13 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1347] close(27 [pid 309] mkdir("./201", 0777 [pid 1348] close(14 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./212/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] close(28 [pid 309] <... mkdir resumed>) = 0 [pid 1348] close(15 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] close(29 [pid 313] newfstatat(AT_FDCWD, "./212/cgroup.net" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1348] close(16 [pid 1347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1347] exit_group(0 [pid 313] unlink("./212/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1349 attached [pid 1348] close(17 [pid 1347] <... exit_group resumed>) = ? [pid 313] <... unlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1349] set_robust_list(0x55555bb49760, 24 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1349] <... set_robust_list resumed>) = 0 [pid 1349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1349] chdir("./201") = 0 [pid 1349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1347] +++ exited with 0 +++ [pid 313] umount2("./212/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1349] <... prctl resumed>) = 0 [pid 1348] close(18 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 203 [pid 1349] setpgid(0, 0 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1349] <... setpgid resumed>) = 0 [pid 1348] close(19 [pid 313] newfstatat(AT_FDCWD, "./212/cgroup.cpu" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./202", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1349] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1349] <... symlink resumed>) = 0 [pid 1348] close(20 [pid 313] unlink("./212/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1349] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1349] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1348] close(21 [pid 310] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1349] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./212/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1349] <... symlink resumed>) = 0 [pid 1348] close(22 [pid 310] <... openat resumed>) = 3 [pid 1349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 1349] <... openat resumed>) = 3 [pid 1348] close(23 [pid 313] newfstatat(AT_FDCWD, "./212/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1349] write(3, "1000", 4 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1349] <... write resumed>) = 4 [pid 1348] close(24 [pid 313] unlink("./212/cgroup" [pid 310] getdents64(3 [pid 1349] close(3 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1349] <... close resumed>) = 0 [pid 1348] close(25 [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1349] symlink("/dev/binderfs", "./binderfs" [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1349] <... symlink resumed>) = 0 [pid 1348] close(26 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1349] write(1, "executing program\n", 18 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 310] <... umount2 resumed>) = 0 [pid 1349] <... write resumed>) = 18 executing program [pid 1348] close(27 [pid 313] <... close resumed>) = 0 [pid 1349] mkdirat(AT_FDCWD, "./config", 0777 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1349] <... mkdirat resumed>) = 0 [pid 1348] close(28 [pid 313] rmdir("./212" [pid 1349] mount(NULL, "./config", "configfs", 0, NULL [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1349] <... mount resumed>) = 0 [pid 1348] close(29 [pid 313] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./202/config" [pid 1349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./213", 0777 [pid 1349] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1348] exit_group(0 [pid 1349] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... mkdir resumed>) = 0 [pid 1348] <... exit_group resumed>) = ? [pid 310] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1349] <... mkdirat resumed>) = 0 [pid 1349] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1349] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1348] +++ exited with 0 +++ [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1349] <... unlinkat resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./202/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1349] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 ci2-android-5-15/strace-static-x86_64: Process 1350 attached [pid 1349] close(3 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... openat resumed>) = 4 [pid 1350] set_robust_list(0x55555bb49760, 24 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 215 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] fstat(4 [pid 1350] <... set_robust_list resumed>) = 0 [pid 1349] close(4 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1350] rt_sigprocmask(SIG_SETMASK, [] [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1349] close(5 [pid 1350] chdir("./213" [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1350] <... chdir resumed>) = 0 [pid 1349] close(6 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 1350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1350] <... prctl resumed>) = 0 [pid 1349] close(7 [pid 310] getdents64(4 [pid 1350] setpgid(0, 0 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1350] <... setpgid resumed>) = 0 [pid 1349] close(8 [pid 1350] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 1350] <... symlink resumed>) = 0 [pid 1349] close(9 [pid 1350] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 311] umount2("./205", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1350] <... symlink resumed>) = 0 [pid 1349] close(10 [pid 310] rmdir("./202/config" [pid 1350] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1350] <... symlink resumed>) = 0 [pid 1349] close(11 [pid 310] <... rmdir resumed>) = 0 [pid 1350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 311] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./202/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1350] <... openat resumed>) = 3 [pid 1349] close(12 [pid 311] <... openat resumed>) = 3 [pid 1350] write(3, "1000", 4 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1350] <... write resumed>) = 4 [pid 1349] close(13 [pid 311] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./202/binderfs" [pid 1350] close(3 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./210", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1350] <... close resumed>) = 0 [pid 1349] close(14 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 310] unlink("./202/binderfs" [pid 1350] symlink("/dev/binderfs", "./binderfs" [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1350] <... symlink resumed>) = 0 [pid 1349] close(15 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... unlink resumed>) = 0 [pid 1350] write(1, "executing program\n", 18 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] <... openat resumed>) = 3 [pid 311] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./202/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1350] <... write resumed>) = 18 [pid 1349] close(16 [pid 312] fstat(3 [pid 1350] mkdirat(AT_FDCWD, "./config", 0777 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1350] <... mkdirat resumed>) = 0 [pid 1349] close(17 [pid 312] getdents64(3 [pid 311] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./202/cgroup.net" [pid 1350] mount(NULL, "./config", "configfs", 0, NULL [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1350] <... mount resumed>) = 0 [pid 1349] close(18 [pid 312] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./205/config" [pid 310] unlink("./202/cgroup.net" [pid 1350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1350] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1349] close(19 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./202/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1350] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1349] close(20 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./210/config" [pid 311] openat(AT_FDCWD, "./205/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1350] <... mkdirat resumed>) = 0 [pid 1349] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 1350] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./202/cgroup.cpu" [pid 1350] <... symlinkat resumed>) = 0 [pid 1349] close(22 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1350] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./210/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 1350] <... unlinkat resumed>) = 0 [pid 1349] close(23 [pid 312] <... openat resumed>) = 4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] unlink("./202/cgroup.cpu" [pid 1350] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 311] getdents64(4 [pid 1350] <... unlinkat resumed>) = 0 [pid 1349] close(24 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1350] close(3 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] close(4 [pid 310] umount2("./202/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1349] close(25 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... close resumed>) = 0 [pid 1350] close(4 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] rmdir("./205/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1349] close(26 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1350] close(5 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 312] close(4 [pid 310] newfstatat(AT_FDCWD, "./202/cgroup" [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1349] close(27 [pid 312] <... close resumed>) = 0 [pid 311] umount2("./205/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1350] close(6 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./210/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1349] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 310] unlink("./202/cgroup" [pid 1350] close(7 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./210/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./205/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1349] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 1350] close(8 [pid 1349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./210/binderfs" [pid 311] unlink("./205/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1349] exit_group(0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1350] close(9 [pid 1349] <... exit_group resumed>) = ? [pid 312] unlink("./210/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 310] close(3 [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1349] +++ exited with 0 +++ [pid 1350] close(10 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./205/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./210/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1350] close(11 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./202" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./205/cgroup.net" [pid 310] <... rmdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1350] close(12 [pid 312] newfstatat(AT_FDCWD, "./210/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./203", 0777 [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./205/cgroup.net" [pid 1350] close(13 [pid 312] unlink("./210/cgroup.net" [pid 310] <... mkdir resumed>) = 0 [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1350] close(14 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./205/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./210/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1350] close(15 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./205/cgroup.cpu" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./210/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1350] close(16) = -1 EBADF (Bad file descriptor) [pid 1350] close(17) = -1 EBADF (Bad file descriptor) [pid 1350] close(18) = -1 EBADF (Bad file descriptor) [pid 1350] close(19) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1351 attached [pid 1350] close(20 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./205/cgroup.cpu" [pid 1351] set_robust_list(0x55555bb49760, 24 [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./210/cgroup.cpu" [pid 1351] <... set_robust_list resumed>) = 0 [pid 1350] close(21 [pid 311] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 205 [pid 1351] rt_sigprocmask(SIG_SETMASK, [] [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./205/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 1351] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1350] close(22 [pid 312] umount2("./210/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1351] chdir("./203" [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./205/cgroup" [pid 1351] <... chdir resumed>) = 0 [pid 1350] close(23 [pid 312] newfstatat(AT_FDCWD, "./210/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./205/cgroup" [pid 309] umount2("./201", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1351] <... prctl resumed>) = 0 [pid 1350] close(24 [pid 312] unlink("./210/cgroup" [pid 1351] setpgid(0, 0 [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1351] <... setpgid resumed>) = 0 [pid 1350] close(25 [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 309] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1351] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1351] <... symlink resumed>) = 0 [pid 1350] close(26 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] close(3 [pid 309] <... openat resumed>) = 3 [pid 1351] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... symlink resumed>) = 0 [pid 1350] close(27 [pid 312] close(3 [pid 311] <... close resumed>) = 0 [pid 309] fstat(3 [pid 1351] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] rmdir("./205" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1351] <... symlink resumed>) = 0 [pid 1350] close(28 [pid 312] rmdir("./210" [pid 311] <... rmdir resumed>) = 0 [pid 1351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1350] close(29 [pid 312] <... rmdir resumed>) = 0 [pid 311] mkdir("./206", 0777 [pid 1351] <... openat resumed>) = 3 [pid 1350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./211", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1351] write(3, "1000", 4 [pid 1350] exit_group(0 [pid 311] <... mkdir resumed>) = 0 [pid 1351] <... write resumed>) = 4 [pid 1350] <... exit_group resumed>) = ? [pid 312] <... mkdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1351] close(3 [pid 1350] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1351] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = 0 [pid 1351] symlink("/dev/binderfs", "./binderfs" [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1352 attached [pid 309] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1352] set_robust_list(0x55555bb49760, 24) = 0 [pid 1352] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1353 attached , NULL, 8) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1351] <... symlink resumed>) = 0 [pid 1353] set_robust_list(0x55555bb49760, 24 [pid 1352] chdir("./206" [pid 1351] write(1, "executing program\n", 18 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 213 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 208 executing program [pid 309] newfstatat(AT_FDCWD, "./201/config" [pid 1353] <... set_robust_list resumed>) = 0 [pid 1352] <... chdir resumed>) = 0 [pid 1351] <... write resumed>) = 18 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1353] rt_sigprocmask(SIG_SETMASK, [] [pid 1352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1351] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./201/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1353] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1352] <... prctl resumed>) = 0 [pid 1351] <... mkdirat resumed>) = 0 [pid 1353] chdir("./211" [pid 1352] setpgid(0, 0 [pid 1351] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./213", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1353] <... chdir resumed>) = 0 [pid 1352] <... setpgid resumed>) = 0 [pid 1351] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1352] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./201/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1353] <... prctl resumed>) = 0 [pid 1352] <... symlink resumed>) = 0 [pid 1351] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 3 [pid 1353] setpgid(0, 0 [pid 1352] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] fstat(3 [pid 309] <... openat resumed>) = 4 [pid 1353] <... setpgid resumed>) = 0 [pid 1352] <... symlink resumed>) = 0 [pid 1351] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] fstat(4 [pid 1353] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1352] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] getdents64(3 [pid 1353] <... symlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1353] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 1353] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 1352] <... symlink resumed>) = 0 [pid 1353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1351] <... mkdirat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] getdents64(4 [pid 1353] write(3, "1000", 4) = 4 [pid 1352] <... openat resumed>) = 3 [pid 1351] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1353] close(3 [pid 1352] write(3, "1000", 4 [pid 1353] <... close resumed>) = 0 [pid 1351] <... symlinkat resumed>) = 0 [pid 1353] symlink("/dev/binderfs", "./binderfs" [pid 313] <... umount2 resumed>) = 0 [pid 1351] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4 [pid 1353] <... symlink resumed>) = 0 [pid 1352] <... write resumed>) = 4 [pid 313] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1353] write(1, "executing program\n", 18 [pid 1352] close(3 [pid 1351] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1353] <... write resumed>) = 18 [pid 1353] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 1353] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1352] <... close resumed>) = 0 [pid 1351] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 1353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1352] symlink("/dev/binderfs", "./binderfs" [pid 1353] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1351] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./213/config" [pid 309] <... close resumed>) = 0 [pid 1353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1352] <... symlink resumed>) = 0 [pid 1351] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./201/config" [pid 1353] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1352] write(1, "executing program\n", 18 [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 1353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1352] <... write resumed>) = 18 [pid 1351] close(4 [pid 309] <... rmdir resumed>) = 0 [pid 1353] <... mkdirat resumed>) = 0 [pid 1352] mkdirat(AT_FDCWD, "./config", 0777 [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./201/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1353] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1352] <... mkdirat resumed>) = 0 [pid 1351] close(5 [pid 1353] <... symlinkat resumed>) = 0 [pid 1352] mount(NULL, "./config", "configfs", 0, NULL [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./213/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1353] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1352] <... mount resumed>) = 0 [pid 1351] close(6 [pid 1353] <... unlinkat resumed>) = 0 [pid 1352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./201/binderfs" [pid 1353] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1352] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1351] close(7 [pid 313] fstat(4 [pid 1353] <... unlinkat resumed>) = 0 [pid 1352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1353] close(3 [pid 1352] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1351] close(8 [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] unlink("./201/binderfs" [pid 1353] close(4) = -1 EBADF (Bad file descriptor) [pid 1353] close(5 [pid 1352] <... mkdirat resumed>) = 0 [pid 1351] close(9 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 1353] close(6) = -1 EBADF (Bad file descriptor) [pid 1352] <... symlinkat resumed>) = 0 [pid 1353] close(7 [pid 1351] close(10 [pid 1352] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./201/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] <... unlinkat resumed>) = 0 [pid 1353] close(8 [pid 1352] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1351] close(11 [pid 313] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1353] close(9 [pid 1352] <... unlinkat resumed>) = 0 [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./201/cgroup.net" [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(3 [pid 1351] close(12 [pid 313] rmdir("./213/config" [pid 1353] close(10 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(4 [pid 1351] close(13 [pid 313] <... rmdir resumed>) = 0 [pid 1353] close(11 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./213/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./201/cgroup.net" [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(5 [pid 1351] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1353] close(12 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./213/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(6 [pid 1351] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1353] close(13 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./201/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(7 [pid 1351] close(16 [pid 313] unlink("./213/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1353] close(14 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(8 [pid 1351] close(17 [pid 313] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./201/cgroup.cpu" [pid 1353] close(15 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./213/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(9 [pid 1351] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./201/cgroup.cpu" [pid 1353] close(16 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./213/cgroup.net" [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(10 [pid 1351] close(19 [pid 309] <... unlink resumed>) = 0 [pid 1353] close(17 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./201/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(11 [pid 1351] close(20 [pid 313] unlink("./213/cgroup.net" [pid 1353] close(18 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(12 [pid 1351] close(21 [pid 313] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./201/cgroup" [pid 1353] close(19 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./213/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(13 [pid 1351] close(22 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1353] close(20 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./201/cgroup" [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(14 [pid 1351] close(23 [pid 313] newfstatat(AT_FDCWD, "./213/cgroup.cpu" [pid 1353] close(21 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(15 [pid 1351] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1353] close(22 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./213/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(16 [pid 1351] close(25 [pid 1353] close(23 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] close(3 [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] close(17 [pid 1351] close(26 [pid 313] umount2("./213/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1353] close(24 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1353] close(25 [pid 1352] close(18 [pid 1351] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./201" [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./213/cgroup" [pid 1353] close(26 [pid 1352] close(19 [pid 1351] close(28 [pid 309] <... rmdir resumed>) = 0 [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./202", 0777 [pid 1353] close(27 [pid 1352] close(20 [pid 1351] close(29 [pid 313] unlink("./213/cgroup" [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1353] close(28 [pid 1352] close(21 [pid 313] <... unlink resumed>) = 0 [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1351] exit_group(0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1353] close(29 [pid 1352] close(22 [pid 1351] <... exit_group resumed>) = ? [pid 313] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1353] exit_group(0) = ? [pid 1353] +++ exited with 0 +++ [pid 1352] close(23 [pid 1351] +++ exited with 0 +++ [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3ci2-android-5-15/strace-static-x86_64: Process 1354 attached [pid 1352] close(24 [pid 313] <... close resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1354] set_robust_list(0x55555bb49760, 24 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./213" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 204 [pid 1354] <... set_robust_list resumed>) = 0 [pid 1352] close(25 [pid 313] <... rmdir resumed>) = 0 [pid 1354] rt_sigprocmask(SIG_SETMASK, [] [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./214", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1354] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1352] close(26 [pid 1354] chdir("./202" [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1354] <... chdir resumed>) = 0 [pid 1352] close(27 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1354] <... prctl resumed>) = 0 [pid 1352] close(28 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1354] setpgid(0, 0 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1354] <... setpgid resumed>) = 0 [pid 1354] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 1354] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 ci2-android-5-15/strace-static-x86_64: Process 1355 attached [pid 1354] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1352] close(29 [pid 1355] set_robust_list(0x55555bb49760, 24 [pid 1354] <... symlink resumed>) = 0 [pid 1352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 216 [pid 1355] <... set_robust_list resumed>) = 0 [pid 1354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1355] rt_sigprocmask(SIG_SETMASK, [] [pid 1354] <... openat resumed>) = 3 [pid 1352] exit_group(0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1355] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1354] write(3, "1000", 4 [pid 1352] <... exit_group resumed>) = ? [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1355] chdir("./214" [pid 1354] <... write resumed>) = 4 [pid 1354] close(3) = 0 [pid 1354] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1354] write(1, "executing program\n", 18) = 18 [pid 1354] mkdirat(AT_FDCWD, "./config", 0777 [pid 1352] +++ exited with 0 +++ [pid 1355] <... chdir resumed>) = 0 [pid 1354] <... mkdirat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1355] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 1354] mount(NULL, "./config", "configfs", 0, NULL [pid 1355] <... prctl resumed>) = 0 [pid 1354] <... mount resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1355] setpgid(0, 0 [pid 1354] <... mkdirat resumed>) = 0 [pid 312] umount2("./211", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1355] <... setpgid resumed>) = 0 [pid 1354] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1355] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1354] <... symlinkat resumed>) = 0 [pid 1354] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1355] <... symlink resumed>) = 0 [pid 1354] <... unlinkat resumed>) = 0 [pid 1355] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1354] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... openat resumed>) = 3 [pid 1355] <... symlink resumed>) = 0 [pid 1354] <... unlinkat resumed>) = 0 [pid 312] fstat(3 [pid 1355] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1354] close(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1355] <... symlink resumed>) = 0 [pid 1354] close(4 [pid 312] getdents64(3 [pid 1355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1354] close(5 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1355] <... openat resumed>) = 3 [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1355] write(3, "1000", 4 [pid 1354] close(6) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1355] <... write resumed>) = 4 [pid 1354] close(7 [pid 312] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1355] close(3 [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1355] <... close resumed>) = 0 [pid 1354] close(8 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1355] symlink("/dev/binderfs", "./binderfs" [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./211/config" [pid 1354] close(9 [pid 1355] <... symlink resumed>) = 0 [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1355] write(1, "executing program\n", 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 1355] <... write resumed>) = 18 executing program [pid 1354] close(10 [pid 312] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1355] mkdirat(AT_FDCWD, "./config", 0777 [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1354] close(11 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1355] <... mkdirat resumed>) = 0 [pid 1354] close(12 [pid 312] openat(AT_FDCWD, "./211/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./203", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1355] mount(NULL, "./config", "configfs", 0, NULL [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1354] close(13 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1355] <... mount resumed>) = 0 [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1354] close(14 [pid 310] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1355] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1354] close(15 [pid 310] <... openat resumed>) = 3 [pid 1355] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1354] close(16 [pid 310] fstat(3 [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1354] close(17 [pid 1355] <... mkdirat resumed>) = 0 [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1355] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1354] close(18 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1355] <... symlinkat resumed>) = 0 [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 310] getdents64(3 [pid 1355] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1354] close(19 [pid 312] <... close resumed>) = 0 [pid 1355] <... unlinkat resumed>) = 0 [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] rmdir("./211/config" [pid 1355] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1354] close(20 [pid 310] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1355] <... unlinkat resumed>) = 0 [pid 1354] close(21 [pid 1355] close(3 [pid 312] umount2("./211/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1355] close(4 [pid 1354] close(22 [pid 312] newfstatat(AT_FDCWD, "./211/binderfs" [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1355] close(5 [pid 1354] close(23 [pid 312] unlink("./211/binderfs" [pid 310] newfstatat(AT_FDCWD, "./203/config" [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1355] close(6 [pid 1354] close(24 [pid 312] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./211/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1355] close(7 [pid 1354] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./211/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1355] close(8 [pid 1354] close(26 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./203/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1355] close(9 [pid 1354] close(27 [pid 312] unlink("./211/cgroup.net" [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1355] close(10 [pid 1354] close(28 [pid 312] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./211/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1355] close(11 [pid 1354] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1355] close(12 [pid 1354] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./211/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1354] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1355] close(13 [pid 1354] +++ exited with 0 +++ [pid 312] unlink("./211/cgroup.cpu" [pid 311] <... restart_syscall resumed>) = 0 [pid 310] getdents64(4 [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1355] close(14 [pid 312] umount2("./211/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1355] close(15 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./206", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./211/cgroup" [pid 1355] close(16 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./203/config" [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1355] close(17 [pid 312] unlink("./211/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1355] close(18 [pid 312] <... unlink resumed>) = 0 [pid 311] fstat(3 [pid 310] umount2("./203/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1355] close(19 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./203/binderfs" [pid 1355] close(20 [pid 312] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./211" [pid 311] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1355] close(21 [pid 312] <... rmdir resumed>) = 0 [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 310] unlink("./203/binderfs" [pid 1355] close(22 [pid 312] mkdir("./212", 0777 [pid 311] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1355] close(23 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] newfstatat(AT_FDCWD, "./206/config" [pid 310] umount2("./203/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1355] close(24 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1356 attached [pid 1355] close(25 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./203/cgroup.net" [pid 1356] set_robust_list(0x55555bb49760, 24 [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 214 [pid 311] openat(AT_FDCWD, "./206/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1356] <... set_robust_list resumed>) = 0 [pid 1355] close(26 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1356] rt_sigprocmask(SIG_SETMASK, [] [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... openat resumed>) = 4 [pid 310] unlink("./203/cgroup.net" [pid 1356] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1355] close(27 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] fstat(4 [pid 1356] chdir("./212" [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1356] <... chdir resumed>) = 0 [pid 1355] close(28 [pid 311] getdents64(4 [pid 310] umount2("./203/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1356] <... prctl resumed>) = 0 [pid 1355] close(29 [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1356] setpgid(0, 0 [pid 1355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./203/cgroup.cpu" [pid 1356] <... setpgid resumed>) = 0 [pid 1356] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1355] exit_group(0 [pid 311] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1356] <... symlink resumed>) = 0 [pid 1355] <... exit_group resumed>) = ? [pid 311] <... close resumed>) = 0 [pid 310] unlink("./203/cgroup.cpu" [pid 1356] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 1356] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 1356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1355] +++ exited with 0 +++ [pid 311] rmdir("./206/config" [pid 310] <... unlink resumed>) = 0 [pid 1356] write(3, "1000", 4) = 4 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./203/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1356] close(3 [pid 311] umount2("./206/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1356] <... close resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1356] symlink("/dev/binderfs", "./binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./203/cgroup" [pid 1356] <... symlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./206/binderfs" [pid 1356] write(1, "executing program\n", 18 executing program [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1356] <... write resumed>) = 18 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./203/cgroup" [pid 1356] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] unlink("./206/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 1356] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1356] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 1356] <... mount resumed>) = 0 [pid 311] umount2("./206/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 1356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] newfstatat(AT_FDCWD, "./206/cgroup.net" [pid 1356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./202", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./203" [pid 1356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] unlink("./206/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1356] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1356] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] mkdir("./204", 0777 [pid 309] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1356] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] umount2("./206/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1356] <... unlinkat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1356] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] fstat(3 [pid 1356] <... unlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./206/cgroup.cpu" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1356] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./214", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./206/cgroup.cpu" [pid 309] getdents64(3 [pid 1356] close(4) = -1 EBADF (Bad file descriptor) [pid 1356] close(5) = -1 EBADF (Bad file descriptor) [pid 1356] close(6) = -1 EBADF (Bad file descriptor) [pid 1356] close(7ci2-android-5-15/strace-static-x86_64: Process 1357 attached ) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1357] set_robust_list(0x55555bb49760, 24 [pid 1356] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./206/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 206 [pid 309] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1357] <... set_robust_list resumed>) = 0 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1357] rt_sigprocmask(SIG_SETMASK, [] [pid 1356] close(9 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = 0 [pid 1357] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] newfstatat(AT_FDCWD, "./206/cgroup" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1357] chdir("./204" [pid 1356] close(10 [pid 313] fstat(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1357] <... chdir resumed>) = 0 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] unlink("./206/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1356] close(11 [pid 313] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./202/config" [pid 1357] <... prctl resumed>) = 0 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1357] setpgid(0, 0 [pid 1356] close(12 [pid 313] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./202/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1357] <... setpgid resumed>) = 0 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1357] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1356] close(13 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./202/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1357] <... symlink resumed>) = 0 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./206" [pid 1357] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1356] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 1357] <... symlink resumed>) = 0 [pid 1357] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./214/config" [pid 311] mkdir("./207", 0777 [pid 309] fstat(4 [pid 1357] <... openat resumed>) = 3 [pid 1356] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 1357] write(3, "1000", 4 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1357] <... write resumed>) = 4 [pid 1356] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 1357] close(3 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./214/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1357] <... close resumed>) = 0 [pid 1356] close(17 [pid 313] <... openat resumed>) = 4 [pid 1357] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1357] write(1, "executing program\n", 18) = 18 executing program [pid 1357] mkdirat(AT_FDCWD, "./config", 0777) = 0 ci2-android-5-15/strace-static-x86_64: Process 1358 attached [pid 1357] mount(NULL, "./config", "configfs", 0, NULL [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 309] getdents64(4 [pid 1358] set_robust_list(0x55555bb49760, 24 [pid 1357] <... mount resumed>) = 0 [pid 1356] close(18 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 209 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1358] <... set_robust_list resumed>) = 0 [pid 1357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(4 [pid 1358] rt_sigprocmask(SIG_SETMASK, [] [pid 1357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1358] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1358] chdir("./207" [pid 1357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1356] close(19 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1358] <... chdir resumed>) = 0 [pid 1357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] rmdir("./202/config" [pid 1358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1357] <... mkdirat resumed>) = 0 [pid 1356] close(20 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1358] <... prctl resumed>) = 0 [pid 1357] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 309] <... rmdir resumed>) = 0 [pid 1358] setpgid(0, 0 [pid 1357] <... symlinkat resumed>) = 0 [pid 1356] close(21 [pid 313] <... close resumed>) = 0 [pid 309] umount2("./202/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1358] <... setpgid resumed>) = 0 [pid 1357] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./214/config" [pid 1358] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1357] <... unlinkat resumed>) = 0 [pid 1356] close(22 [pid 313] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1358] <... symlink resumed>) = 0 [pid 1357] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./214/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./202/binderfs" [pid 1358] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1357] <... unlinkat resumed>) = 0 [pid 1356] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1358] <... symlink resumed>) = 0 [pid 1357] close(3 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./214/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1358] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1356] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1358] <... symlink resumed>) = 0 [pid 1357] close(4 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./214/binderfs" [pid 309] unlink("./202/binderfs" [pid 1358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1356] close(25 [pid 313] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1358] <... openat resumed>) = 3 [pid 1357] close(5 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./214/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./202/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1358] write(3, "1000", 4 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1356] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1358] <... write resumed>) = 4 [pid 1357] close(6 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./214/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1358] close(3 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1356] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./202/cgroup.net" [pid 1358] <... close resumed>) = 0 [pid 1357] close(7 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./214/cgroup.net" [pid 1358] symlink("/dev/binderfs", "./binderfs" [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1356] close(28 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1358] <... symlink resumed>) = 0 [pid 1357] close(8 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] unlink("./202/cgroup.net" [pid 1358] write(1, "executing program\n", 18 executing program [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1356] close(29 [pid 313] umount2("./214/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1358] <... write resumed>) = 18 [pid 1357] close(9 [pid 1356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1358] mkdirat(AT_FDCWD, "./config", 0777 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1358] <... mkdirat resumed>) = 0 [pid 1357] close(10 [pid 1356] exit_group(0 [pid 313] newfstatat(AT_FDCWD, "./214/cgroup.cpu" [pid 309] umount2("./202/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1358] mount(NULL, "./config", "configfs", 0, NULL [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1356] <... exit_group resumed>) = ? [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1358] <... mount resumed>) = 0 [pid 1357] close(11 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1357] close(12 [pid 1358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1357] close(13 [pid 1356] +++ exited with 0 +++ [pid 1358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./214/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./202/cgroup.cpu" [pid 1358] <... mkdirat resumed>) = 0 [pid 1357] close(14 [pid 313] <... unlink resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1358] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./214/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1358] <... symlinkat resumed>) = 0 [pid 1357] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] unlink("./202/cgroup.cpu" [pid 1358] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./214/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1358] <... unlinkat resumed>) = 0 [pid 1357] close(16 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./202/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1358] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./214/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./202/cgroup" [pid 313] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1358] <... unlinkat resumed>) = 0 [pid 1357] close(17 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1358] close(3 [pid 309] unlink("./202/cgroup" [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] <... unlink resumed>) = 0 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1357] close(18 [pid 313] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 1358] close(4 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./214" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1357] close(19 [pid 313] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 1358] close(5 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./215", 0777 [pid 309] <... close resumed>) = 0 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1357] close(20 [pid 313] <... mkdir resumed>) = 0 [pid 309] rmdir("./202" [pid 1358] close(6 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rmdir resumed>) = 0 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1357] close(21 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] mkdir("./203", 0777 [pid 1358] close(7 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... mkdir resumed>) = 0 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1357] close(22 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 1359 attached [pid 1358] close(8 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 217 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1359] set_robust_list(0x55555bb49760, 24 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1357] close(23 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1359] <... set_robust_list resumed>) = 0 [pid 1358] close(9 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1360 attached [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 205 [pid 1360] set_robust_list(0x55555bb49760, 24 [pid 1359] rt_sigprocmask(SIG_SETMASK, [] [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1357] close(24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1360] <... set_robust_list resumed>) = 0 [pid 1359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1358] close(10 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1360] rt_sigprocmask(SIG_SETMASK, [] [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1359] chdir("./215" [pid 1358] close(11 [pid 1357] close(25 [pid 1360] chdir("./203" [pid 1359] <... chdir resumed>) = 0 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1360] <... chdir resumed>) = 0 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1358] close(12 [pid 1360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1359] <... prctl resumed>) = 0 [pid 1360] <... prctl resumed>) = 0 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1357] close(26 [pid 1360] setpgid(0, 0 [pid 1359] setpgid(0, 0 [pid 1358] close(13 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1360] <... setpgid resumed>) = 0 [pid 1359] <... setpgid resumed>) = 0 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1357] close(27 [pid 1360] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1359] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1358] close(14 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1360] <... symlink resumed>) = 0 [pid 1359] <... symlink resumed>) = 0 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1357] close(28 [pid 1360] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1359] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1358] close(15 [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1360] <... symlink resumed>) = 0 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] <... symlink resumed>) = 0 [pid 1360] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1358] close(16 [pid 1357] close(29 [pid 1359] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1360] <... symlink resumed>) = 0 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] <... symlink resumed>) = 0 [pid 1358] close(17) = -1 EBADF (Bad file descriptor) [pid 1357] exit_group(0 [pid 1359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1358] close(18 [pid 1360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1357] <... exit_group resumed>) = ? [pid 1359] <... openat resumed>) = 3 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1357] +++ exited with 0 +++ [pid 1358] close(19 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1360] <... openat resumed>) = 3 [pid 1358] close(20 [pid 1360] write(3, "1000", 4 [pid 1359] write(3, "1000", 4 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1360] <... write resumed>) = 4 [pid 1359] <... write resumed>) = 4 [pid 1358] close(21 [pid 1360] close(3 [pid 1359] close(3 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1360] <... close resumed>) = 0 [pid 1358] close(22 [pid 1360] symlink("/dev/binderfs", "./binderfs" [pid 1359] <... close resumed>) = 0 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1360] <... symlink resumed>) = 0 [pid 1358] close(23 [pid 1360] write(1, "executing program\n", 18 [pid 1359] symlink("/dev/binderfs", "./binderfs" [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1360] <... write resumed>) = 18 [pid 1359] <... symlink resumed>) = 0 [pid 1358] close(24 [pid 1360] mkdirat(AT_FDCWD, "./config", 0777 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] write(1, "executing program\n", 18 [pid 1360] <... mkdirat resumed>) = 0 executing program [pid 312] <... restart_syscall resumed>) = 0 [pid 1360] mount(NULL, "./config", "configfs", 0, NULL [pid 1359] <... write resumed>) = 18 executing program [pid 1358] close(25 [pid 1360] <... mount resumed>) = 0 [pid 1359] mkdirat(AT_FDCWD, "./config", 0777 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] umount2("./212", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1360] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1359] <... mkdirat resumed>) = 0 [pid 1358] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1359] mount(NULL, "./config", "configfs", 0, NULL [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1360] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1359] <... mount resumed>) = 0 [pid 1358] close(27 [pid 312] <... openat resumed>) = 3 [pid 1360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3 [pid 1360] <... mkdirat resumed>) = 0 [pid 1359] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1358] close(28 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1360] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1360] <... symlinkat resumed>) = 0 [pid 1359] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1358] close(29 [pid 312] <... umount2 resumed>) = 0 [pid 1360] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./212/config" [pid 1360] <... unlinkat resumed>) = 0 [pid 1359] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1360] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1359] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1358] exit_group(0 [pid 312] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1360] <... unlinkat resumed>) = 0 [pid 312] openat(AT_FDCWD, "./212/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1359] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1358] <... exit_group resumed>) = ? [pid 312] <... openat resumed>) = 4 [pid 1360] close(3 [pid 1359] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4) = 0 [pid 312] rmdir("./212/config" [pid 1358] +++ exited with 0 +++ [pid 312] <... rmdir resumed>) = 0 [pid 1359] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./212/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1360] close(4 [pid 1359] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] newfstatat(AT_FDCWD, "./212/binderfs" [pid 311] <... restart_syscall resumed>) = 0 [pid 1360] close(5 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(3 [pid 312] unlink("./212/binderfs" [pid 1360] close(6 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./207", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(4 [pid 312] umount2("./212/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1360] close(7 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(5 [pid 312] newfstatat(AT_FDCWD, "./212/cgroup.net" [pid 311] <... openat resumed>) = 3 [pid 1360] close(8 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(6 [pid 312] unlink("./212/cgroup.net" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1360] close(9 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(7 [pid 312] umount2("./212/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1360] close(10 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(8 [pid 312] newfstatat(AT_FDCWD, "./212/cgroup.cpu" [pid 311] <... umount2 resumed>) = 0 [pid 1360] close(11 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(9 [pid 312] unlink("./212/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1360] close(12 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./207/config" [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(10 [pid 312] umount2("./212/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1360] close(13 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(11 [pid 312] newfstatat(AT_FDCWD, "./212/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1360] close(14 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./207/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(12 [pid 312] unlink("./212/cgroup" [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./204", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1360] close(15 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(13 [pid 312] getdents64(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1360] close(16 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] getdents64(4 [pid 310] <... openat resumed>) = 3 [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(14 [pid 312] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] fstat(3 [pid 1360] close(17 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(15 [pid 312] rmdir("./212" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 1360] close(18 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(16 [pid 312] mkdir("./213", 0777 [pid 311] <... close resumed>) = 0 [pid 310] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1360] close(19 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 311] rmdir("./207/config" [pid 310] <... umount2 resumed>) = 0 [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(17 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1360] close(20 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./207/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(18 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./204/config"ci2-android-5-15/strace-static-x86_64: Process 1361 attached [pid 1360] close(21 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./207/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1361] set_robust_list(0x55555bb49760, 24 [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(19 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 215 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1361] <... set_robust_list resumed>) = 0 [pid 1360] close(22 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] unlink("./207/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1361] rt_sigprocmask(SIG_SETMASK, [] [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(20 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./204/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1361] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1360] close(23 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./207/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 1361] chdir("./213" [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 1359] close(21 [pid 1361] <... chdir resumed>) = 0 [pid 1360] close(24 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./207/cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(22 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 1361] <... prctl resumed>) = 0 [pid 1360] close(25 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./207/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1361] setpgid(0, 0 [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(23 [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 1361] <... setpgid resumed>) = 0 [pid 1360] close(26 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./207/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1361] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(24 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 1361] <... symlink resumed>) = 0 [pid 1360] close(27 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./207/cgroup.cpu" [pid 310] <... close resumed>) = 0 [pid 1361] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(25 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./204/config" [pid 1361] <... symlink resumed>) = 0 [pid 1360] close(28 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./207/cgroup.cpu" [pid 310] <... rmdir resumed>) = 0 [pid 1361] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(26 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./204/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1361] <... symlink resumed>) = 0 [pid 1360] close(29 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./207/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1359] close(27 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./204/binderfs" [pid 1361] <... openat resumed>) = 3 [pid 311] newfstatat(AT_FDCWD, "./207/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1361] write(3, "1000", 4 [pid 1360] exit_group(0 [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./204/binderfs" [pid 1361] <... write resumed>) = 4 [pid 1360] <... exit_group resumed>) = ? [pid 1359] close(28 [pid 311] unlink("./207/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 1361] close(3 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./204/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./204/cgroup.net" [pid 1360] +++ exited with 0 +++ [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1361] <... close resumed>) = 0 [pid 1359] close(29 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./204/cgroup.net" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1361] symlink("/dev/binderfs", "./binderfs" [pid 1359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./207" [pid 310] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1361] <... symlink resumed>) = 0 [pid 1359] exit_group(0 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./204/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 1361] write(1, "executing program\n", 18 [pid 1359] <... exit_group resumed>) = ? [pid 311] mkdir("./208", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1361] <... write resumed>) = 18 [pid 311] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./204/cgroup.cpu" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./203", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1359] +++ exited with 0 +++ [pid 1361] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 310] unlink("./204/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1361] <... mkdirat resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1362 attached [pid 1361] mount(NULL, "./config", "configfs", 0, NULL [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./204/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 1362] set_robust_list(0x55555bb49760, 24 [pid 1361] <... mount resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 210 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1362] <... set_robust_list resumed>) = 0 [pid 1361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./204/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1362] rt_sigprocmask(SIG_SETMASK, [] [pid 1361] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1362] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] unlink("./204/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1362] chdir("./208" [pid 1361] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1362] <... chdir resumed>) = 0 [pid 1361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = 0 [pid 1362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1362] <... prctl resumed>) = 0 [pid 1361] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./203/config" [pid 1362] setpgid(0, 0 [pid 1361] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rmdir("./204" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1362] <... setpgid resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./203/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1362] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1361] <... symlinkat resumed>) = 0 [pid 310] mkdir("./205", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1362] <... symlink resumed>) = 0 [pid 1361] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./203/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1362] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1361] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... openat resumed>) = 4 [pid 1362] <... symlink resumed>) = 0 [pid 1361] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(4 [pid 1362] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1363 attached [pid 1362] <... symlink resumed>) = 0 [pid 1361] <... unlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 1363] set_robust_list(0x55555bb49760, 24 [pid 1362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1361] close(3 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 207 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1363] <... set_robust_list resumed>) = 0 [pid 1362] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1363] rt_sigprocmask(SIG_SETMASK, [] [pid 1362] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1362] <... write resumed>) = 4 [pid 1361] close(4 [pid 309] close(4 [pid 1363] chdir("./205" [pid 1362] close(3 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1363] <... chdir resumed>) = 0 [pid 1362] <... close resumed>) = 0 [pid 1361] close(5 [pid 309] rmdir("./203/config" [pid 1363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1362] symlink("/dev/binderfs", "./binderfs" [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1363] <... prctl resumed>) = 0 [pid 309] umount2("./203/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1363] setpgid(0, 0 [pid 1362] <... symlink resumed>) = 0 [pid 1361] close(6 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1363] <... setpgid resumed>) = 0 [pid 1362] write(1, "executing program\n", 18 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./203/binderfs" [pid 1363] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1362] <... write resumed>) = 18 [pid 1361] close(7 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1363] <... symlink resumed>) = 0 executing program [pid 309] unlink("./203/binderfs" [pid 1363] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1362] mkdirat(AT_FDCWD, "./config", 0777 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1363] <... symlink resumed>) = 0 [pid 309] umount2("./203/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./203/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1362] <... mkdirat resumed>) = 0 [pid 1361] close(8 [pid 309] unlink("./203/cgroup.net" [pid 1363] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1362] mount(NULL, "./config", "configfs", 0, NULL [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1363] <... symlink resumed>) = 0 [pid 309] umount2("./203/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1362] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1361] close(9 [pid 309] newfstatat(AT_FDCWD, "./203/cgroup.cpu" [pid 1363] <... openat resumed>) = 3 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1363] write(3, "1000", 4 [pid 1362] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1361] close(10 [pid 309] unlink("./203/cgroup.cpu" [pid 1363] <... write resumed>) = 4 [pid 1362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1363] close(3 [pid 309] umount2("./203/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1362] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1361] close(11 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1363] <... close resumed>) = 0 [pid 1362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./203/cgroup" [pid 1363] symlink("/dev/binderfs", "./binderfs" [pid 1362] <... mkdirat resumed>) = 0 [pid 1361] close(12 [pid 313] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1363] <... symlink resumed>) = 0 [pid 1362] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./203/cgroup" [pid 1363] write(1, "executing program\n", 18 [pid 309] <... unlink resumed>) = 0 [pid 313] umount2("./215", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1363] <... write resumed>) = 18 [pid 1362] <... symlinkat resumed>) = 0 [pid 1361] close(13 executing program [pid 313] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(3 [pid 1363] mkdirat(AT_FDCWD, "./config", 0777 [pid 1362] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 313] fstat(3 [pid 309] rmdir("./203" [pid 1363] <... mkdirat resumed>) = 0 [pid 1362] <... unlinkat resumed>) = 0 [pid 1361] close(14 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1363] mount(NULL, "./config", "configfs", 0, NULL [pid 1362] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] mkdir("./204", 0777 [pid 1363] <... mount resumed>) = 0 [pid 1361] close(15 [pid 1362] <... unlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... mkdir resumed>) = 0 [pid 1363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1362] close(3 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1363] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(16 [pid 313] <... umount2 resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1362] close(4 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1363] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1364 attached [pid 1363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1362] close(5 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./215/config" [pid 1364] set_robust_list(0x55555bb49760, 24 [pid 1363] <... mkdirat resumed>) = 0 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1364] <... set_robust_list resumed>) = 0 [pid 1363] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1362] close(6 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 206 [pid 1364] rt_sigprocmask(SIG_SETMASK, [] [pid 1363] <... symlinkat resumed>) = 0 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1364] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1363] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1362] close(7 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./215/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1364] chdir("./204" [pid 1363] <... unlinkat resumed>) = 0 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(20 [pid 313] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1364] <... chdir resumed>) = 0 [pid 1363] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1362] close(8 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 1364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(21 [pid 1364] <... prctl resumed>) = 0 [pid 1363] <... unlinkat resumed>) = 0 [pid 1362] close(9 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1364] setpgid(0, 0 [pid 1363] close(3 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(22 [pid 1364] <... setpgid resumed>) = 0 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(10 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1364] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1363] close(4 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1364] <... symlink resumed>) = 0 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(11 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1364] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1363] close(5 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(24 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1364] <... symlink resumed>) = 0 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(12 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1364] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1363] close(6 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(25 [pid 313] close(4 [pid 1364] <... symlink resumed>) = 0 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(13 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1363] close(7 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(26 [pid 313] rmdir("./215/config" [pid 1364] <... openat resumed>) = 3 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(14 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1364] write(3, "1000", 4 [pid 1363] close(8 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(27 [pid 313] <... rmdir resumed>) = 0 [pid 1364] <... write resumed>) = 4 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(15 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./215/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1364] close(3 [pid 1363] close(9 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(28 [pid 1364] <... close resumed>) = 0 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(16 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1364] symlink("/dev/binderfs", "./binderfs" [pid 1363] close(10 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] close(29 [pid 313] newfstatat(AT_FDCWD, "./215/binderfs" [pid 1364] <... symlink resumed>) = 0 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(17 [pid 1361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1364] write(1, "executing program\n", 18 [pid 1363] close(11 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] exit_group(0 executing program [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1364] <... write resumed>) = 18 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(18 [pid 1361] <... exit_group resumed>) = ? [pid 313] unlink("./215/binderfs" [pid 1364] mkdirat(AT_FDCWD, "./config", 0777 [pid 1363] close(12 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1361] +++ exited with 0 +++ [pid 1364] <... mkdirat resumed>) = 0 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(19 [pid 313] <... unlink resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1364] mount(NULL, "./config", "configfs", 0, NULL [pid 1363] close(13 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./215/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1364] <... mount resumed>) = 0 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1363] close(14 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./215/cgroup.net" [pid 1364] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(21 [pid 1364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1363] close(15 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1364] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(22 [pid 1364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1363] close(16 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./215/cgroup.net" [pid 1362] close(23) = -1 EBADF (Bad file descriptor) [pid 1364] <... mkdirat resumed>) = 0 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(24 [pid 1364] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1363] close(17 [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1362] close(25 [pid 1364] <... symlinkat resumed>) = 0 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./215/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1364] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1363] close(18 [pid 1362] close(26) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1364] <... unlinkat resumed>) = 0 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(27 [pid 313] newfstatat(AT_FDCWD, "./215/cgroup.cpu" [pid 1364] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1362] close(28) = -1 EBADF (Bad file descriptor) [pid 1362] close(29) = -1 EBADF (Bad file descriptor) [pid 1362] exit_group(0) = ? [pid 1364] <... unlinkat resumed>) = 0 [pid 1363] close(19 [pid 1362] +++ exited with 0 +++ [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1364] close(3 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./215/cgroup.cpu" [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1363] close(20 [pid 313] <... unlink resumed>) = 0 [pid 1364] close(4 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] umount2("./215/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1363] close(21 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1364] close(5 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1363] close(22 [pid 311] <... restart_syscall resumed>) = 0 [pid 1364] close(6 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./215/cgroup" [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1363] close(23 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1364] close(7 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./215/cgroup" [pid 311] umount2("./208", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1363] close(24 [pid 1364] close(8 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1363] close(25 [pid 1364] close(9 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1363] close(26 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1364] close(10 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 311] <... openat resumed>) = 3 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1363] close(27 [pid 313] <... close resumed>) = 0 [pid 311] fstat(3 [pid 1364] close(11 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./215" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1363] close(28 [pid 313] <... rmdir resumed>) = 0 [pid 1364] close(12 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./216", 0777 [pid 311] getdents64(3 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1363] close(29 [pid 313] <... mkdir resumed>) = 0 [pid 1364] close(13 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1364] close(14 [pid 1363] exit_group(0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1363] <... exit_group resumed>) = ? [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = 0 [pid 1364] close(15 [pid 1363] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 1365 attached [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1365] set_robust_list(0x55555bb49760, 24 [pid 1364] close(16 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 218 [pid 312] <... restart_syscall resumed>) = 0 [pid 1365] <... set_robust_list resumed>) = 0 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1365] rt_sigprocmask(SIG_SETMASK, [] [pid 1364] close(17 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./208/config" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1365] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./213", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1365] chdir("./216" [pid 1364] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 311] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1365] <... chdir resumed>) = 0 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1364] close(19 [pid 312] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1365] <... prctl resumed>) = 0 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 311] openat(AT_FDCWD, "./208/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1365] setpgid(0, 0 [pid 1364] close(20 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1365] <... setpgid resumed>) = 0 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./205", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1365] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1364] close(21 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] fstat(4 [pid 1365] <... symlink resumed>) = 0 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1365] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1364] close(22 [pid 312] <... umount2 resumed>) = 0 [pid 311] getdents64(4 [pid 1365] <... symlink resumed>) = 0 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1365] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1364] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1365] <... symlink resumed>) = 0 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./213/config" [pid 311] getdents64(4 [pid 310] <... openat resumed>) = 3 [pid 1365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1364] close(24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 1365] <... openat resumed>) = 3 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1365] write(3, "1000", 4 [pid 1364] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 1365] <... write resumed>) = 4 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./213/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rmdir("./208/config" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1365] close(3 [pid 1364] close(26 [pid 312] <... openat resumed>) = 4 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1365] <... close resumed>) = 0 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 311] umount2("./208/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 1365] symlink("/dev/binderfs", "./binderfs" [pid 1364] close(27 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1365] <... symlink resumed>) = 0 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./208/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1365] write(1, "executing program\n", 18 [pid 1364] close(28 [pid 312] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./205/config" [pid 1365] <... write resumed>) = 18 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] unlink("./208/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1365] mkdirat(AT_FDCWD, "./config", 0777 [pid 1364] close(29 [pid 312] getdents64(4 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1365] <... mkdirat resumed>) = 0 [pid 1364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] umount2("./208/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1365] mount(NULL, "./config", "configfs", 0, NULL [pid 1364] exit_group(0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./205/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1365] <... mount resumed>) = 0 [pid 1364] <... exit_group resumed>) = ? [pid 312] close(4 [pid 311] newfstatat(AT_FDCWD, "./208/cgroup.net" [pid 310] <... openat resumed>) = 4 [pid 1365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1364] +++ exited with 0 +++ [pid 312] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 1365] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] rmdir("./213/config" [pid 311] unlink("./208/cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1365] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] umount2("./213/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./208/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./208/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1365] <... mkdirat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./213/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 309] umount2("./204", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1365] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./208/cgroup.cpu" [pid 310] <... close resumed>) = 0 [pid 1365] <... symlinkat resumed>) = 0 [pid 312] unlink("./213/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./205/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1365] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./208/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1365] <... unlinkat resumed>) = 0 [pid 312] umount2("./213/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./205/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1365] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./208/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./205/binderfs" [pid 1365] <... unlinkat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./213/cgroup.net" [pid 311] unlink("./208/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 1365] close(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./205/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./213/cgroup.net" [pid 311] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 1365] close(4 [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./205/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./213/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1365] close(5 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./205/cgroup.net" [pid 309] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./213/cgroup.cpu" [pid 311] rmdir("./208" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1365] close(6 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] unlink("./205/cgroup.net" [pid 309] <... umount2 resumed>) = 0 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./213/cgroup.cpu" [pid 311] mkdir("./209", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1365] close(7 [pid 312] <... unlink resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] umount2("./205/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./213/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1365] close(8 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./205/cgroup.cpu" [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./213/cgroup" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./204/config"ci2-android-5-15/strace-static-x86_64: Process 1366 attached [pid 1365] close(9 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./205/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1366] set_robust_list(0x55555bb49760, 24 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./213/cgroup" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 211 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./204/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1366] <... set_robust_list resumed>) = 0 [pid 1365] close(10 [pid 312] <... unlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./205/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1366] rt_sigprocmask(SIG_SETMASK, [] [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1366] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1365] close(11 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./205/cgroup" [pid 309] openat(AT_FDCWD, "./204/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1366] chdir("./209" [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1366] <... chdir resumed>) = 0 [pid 1365] close(12 [pid 312] <... close resumed>) = 0 [pid 310] unlink("./205/cgroup" [pid 309] <... openat resumed>) = 4 [pid 1366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./213" [pid 310] <... unlink resumed>) = 0 [pid 1366] <... prctl resumed>) = 0 [pid 1365] close(13 [pid 310] getdents64(3 [pid 309] fstat(4 [pid 1366] setpgid(0, 0 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1366] <... setpgid resumed>) = 0 [pid 1365] close(14 [pid 312] mkdir("./214", 0777 [pid 310] close(3 [pid 309] getdents64(4 [pid 1366] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1365] close(15 [pid 312] <... mkdir resumed>) = 0 [pid 310] rmdir("./205" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1366] <... symlink resumed>) = 0 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 1366] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1365] close(16 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] mkdir("./206", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1366] <... symlink resumed>) = 0 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... mkdir resumed>) = 0 [pid 309] close(4 [pid 1366] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1365] close(17 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1368 attached ci2-android-5-15/strace-static-x86_64: Process 1367 attached [pid 1366] <... symlink resumed>) = 0 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1368] set_robust_list(0x55555bb49760, 24 [pid 1367] set_robust_list(0x55555bb49760, 24 [pid 1366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1365] close(18 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 216 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 208 [pid 309] rmdir("./204/config" [pid 1368] <... set_robust_list resumed>) = 0 [pid 1367] <... set_robust_list resumed>) = 0 [pid 1366] <... openat resumed>) = 3 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1368] rt_sigprocmask(SIG_SETMASK, [] [pid 1367] rt_sigprocmask(SIG_SETMASK, [] [pid 1366] write(3, "1000", 4 [pid 1365] close(19 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1368] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1367] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1366] <... write resumed>) = 4 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1368] chdir("./206" [pid 1367] chdir("./214" [pid 1366] close(3 [pid 1365] close(20 [pid 309] umount2("./204/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1368] <... chdir resumed>) = 0 [pid 1367] <... chdir resumed>) = 0 [pid 1366] <... close resumed>) = 0 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1368] <... prctl resumed>) = 0 [pid 1367] <... prctl resumed>) = 0 [pid 1366] symlink("/dev/binderfs", "./binderfs" [pid 1365] close(21 [pid 309] newfstatat(AT_FDCWD, "./204/binderfs" [pid 1368] setpgid(0, 0 [pid 1367] setpgid(0, 0) = 0 [pid 1366] <... symlink resumed>) = 0 [pid 1368] <... setpgid resumed>) = 0 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1368] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1367] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1366] write(1, "executing program\n", 18 [pid 1365] close(22 [pid 309] unlink("./204/binderfs" [pid 1368] <... symlink resumed>) = 0 [pid 1367] <... symlink resumed>) = 0 [pid 1366] <... write resumed>) = 18 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1368] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1367] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 309] <... unlink resumed>) = 0 [pid 1368] <... symlink resumed>) = 0 [pid 1367] <... symlink resumed>) = 0 executing program [pid 1366] mkdirat(AT_FDCWD, "./config", 0777 [pid 1365] close(23 [pid 309] umount2("./204/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1368] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1367] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1368] <... symlink resumed>) = 0 [pid 1367] <... symlink resumed>) = 0 [pid 1366] <... mkdirat resumed>) = 0 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1366] mount(NULL, "./config", "configfs", 0, NULL [pid 1365] close(24 [pid 309] newfstatat(AT_FDCWD, "./204/cgroup.net" [pid 1368] <... openat resumed>) = 3 [pid 1367] <... openat resumed>) = 3 [pid 1367] write(3, "1000", 4 [pid 1366] <... mount resumed>) = 0 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1368] write(3, "1000", 4 [pid 1367] <... write resumed>) = 4 [pid 1366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1365] close(25 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1368] <... write resumed>) = 4 [pid 1367] close(3 [pid 1366] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = 0 [pid 309] unlink("./204/cgroup.net" [pid 1368] close(3 [pid 1367] symlink("/dev/binderfs", "./binderfs" [pid 1366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1365] close(26 [pid 1368] <... close resumed>) = 0 [pid 1367] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1368] symlink("/dev/binderfs", "./binderfs" [pid 1367] write(1, "executing program\n", 18 [pid 1366] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./204/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1368] <... symlink resumed>) = 0 [pid 1367] <... write resumed>) = 18 executing program [pid 1366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1365] close(27 [pid 1368] write(1, "executing program\n", 18 [pid 1367] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1367] <... mkdirat resumed>) = 0 [pid 1366] <... mkdirat resumed>) = 0 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1368] <... write resumed>) = 18 executing program [pid 1367] mount(NULL, "./config", "configfs", 0, NULL [pid 1366] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1365] close(28 [pid 309] newfstatat(AT_FDCWD, "./204/cgroup.cpu" [pid 1368] mkdirat(AT_FDCWD, "./config", 0777 [pid 1367] <... mount resumed>) = 0 [pid 1367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1366] <... symlinkat resumed>) = 0 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1368] <... mkdirat resumed>) = 0 [pid 1367] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1366] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1365] close(29 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1368] mount(NULL, "./config", "configfs", 0, NULL [pid 1367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1366] <... unlinkat resumed>) = 0 [pid 1365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./204/cgroup.cpu" [pid 1368] <... mount resumed>) = 0 [pid 1367] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1366] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1367] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1365] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 1368] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1367] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1366] <... unlinkat resumed>) = 0 [pid 1367] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1367] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1366] close(3 [pid 1365] <... exit_group resumed>) = ? [pid 309] umount2("./204/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1368] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1367] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1367] close(3) = -1 EBADF (Bad file descriptor) [pid 1367] close(4) = -1 EBADF (Bad file descriptor) [pid 1367] close(5) = -1 EBADF (Bad file descriptor) [pid 1367] close(6 [pid 1365] +++ exited with 0 +++ [pid 1368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(4 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1367] close(7 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1368] <... mkdirat resumed>) = 0 [pid 1367] close(8 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./204/cgroup" [pid 1368] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(5 [pid 1367] close(9 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1368] <... symlinkat resumed>) = 0 [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./204/cgroup" [pid 1368] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1367] close(10 [pid 1366] close(6 [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1368] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1368] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1367] close(11 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] close(12 [pid 1368] <... unlinkat resumed>) = 0 [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1368] close(3 [pid 1367] close(13 [pid 1366] close(7 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1368] close(4 [pid 1367] close(14 [pid 1366] close(8 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1368] close(5 [pid 1367] close(15 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./204" [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(9 [pid 1368] close(6 [pid 1367] close(16 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(10 [pid 309] mkdir("./205", 0777 [pid 1368] close(7 [pid 1367] close(17 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(11 [pid 309] <... mkdir resumed>) = 0 [pid 1368] close(8 [pid 1367] close(18 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1368] close(9 [pid 1367] close(19 [pid 1366] close(12 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1368] close(10 [pid 1367] close(20 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(13 [pid 1367] close(21) = -1 EBADF (Bad file descriptor) [pid 1367] close(22) = -1 EBADF (Bad file descriptor) [pid 1367] close(23) = -1 EBADF (Bad file descriptor) [pid 1367] close(24) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1369 attached [pid 1368] close(11 [pid 1367] close(25 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1369] set_robust_list(0x55555bb49760, 24 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1369] <... set_robust_list resumed>) = 0 [pid 1368] close(12 [pid 1367] close(26 [pid 1366] close(14 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 207 [pid 1369] rt_sigprocmask(SIG_SETMASK, [] [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1369] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1368] close(13 [pid 1367] close(27 [pid 1366] close(15 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1369] chdir("./205" [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1369] <... chdir resumed>) = 0 [pid 1368] close(14 [pid 1367] close(28 [pid 1366] close(16 [pid 1369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1369] <... prctl resumed>) = 0 [pid 1368] close(15 [pid 1367] close(29 [pid 1366] close(17 [pid 1369] setpgid(0, 0 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1369] <... setpgid resumed>) = 0 [pid 1368] close(16 [pid 1367] exit_group(0 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1369] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1367] <... exit_group resumed>) = ? [pid 1369] <... symlink resumed>) = 0 [pid 1368] close(17 [pid 1367] +++ exited with 0 +++ [pid 1366] close(18 [pid 1369] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1369] <... symlink resumed>) = 0 [pid 1368] close(18 [pid 1366] close(19 [pid 1369] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1369] <... symlink resumed>) = 0 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1368] close(19 [pid 1366] close(20 [pid 1369] <... openat resumed>) = 3 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1369] write(3, "1000", 4 [pid 1368] close(20 [pid 1369] <... write resumed>) = 4 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(21 [pid 313] <... restart_syscall resumed>) = 0 [pid 1369] close(3) = 0 [pid 1368] close(21 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1369] symlink("/dev/binderfs", "./binderfs" [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(22 [pid 313] umount2("./216", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1369] <... symlink resumed>) = 0 [pid 1368] close(22 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1369] write(1, "executing program\n", 18 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(23 executing program [pid 313] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1369] <... write resumed>) = 18 [pid 1368] close(23 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 313] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1369] mkdirat(AT_FDCWD, "./config", 0777 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(24 [pid 313] getdents64(3 [pid 1369] <... mkdirat resumed>) = 0 [pid 1368] close(24 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1369] mount(NULL, "./config", "configfs", 0, NULL [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(25 [pid 313] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1369] <... mount resumed>) = 0 [pid 1368] close(25 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(26 [pid 313] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1369] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1368] close(26 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(27 [pid 313] newfstatat(AT_FDCWD, "./216/config" [pid 1369] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1368] close(27 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(28 [pid 313] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1369] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1369] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] openat(AT_FDCWD, "./216/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1369] <... symlinkat resumed>) = 0 [pid 1368] close(28 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1369] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] fstat(4 [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] close(29 [pid 1369] <... unlinkat resumed>) = 0 [pid 1368] close(29 [pid 1366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1369] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] exit_group(0 [pid 313] getdents64(4 [pid 1369] <... unlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1369] close(3 [pid 313] getdents64(4 [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1368] exit_group(0 [pid 1366] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1369] close(4 [pid 1368] <... exit_group resumed>) = ? [pid 313] close(4 [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1369] close(5 [pid 313] rmdir("./216/config" [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1369] close(6 [pid 313] umount2("./216/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1366] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1369] close(7 [pid 313] newfstatat(AT_FDCWD, "./216/binderfs" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1369] close(8 [pid 313] unlink("./216/binderfs" [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1368] +++ exited with 0 +++ [pid 313] <... unlink resumed>) = 0 [pid 1369] close(9 [pid 313] umount2("./216/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1369] close(10 [pid 313] newfstatat(AT_FDCWD, "./216/cgroup.net" [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1369] close(11 [pid 313] unlink("./216/cgroup.net" [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1369] close(12 [pid 313] umount2("./216/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1369] close(13 [pid 313] newfstatat(AT_FDCWD, "./216/cgroup.cpu" [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1369] close(14 [pid 313] unlink("./216/cgroup.cpu" [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1369] close(15 [pid 313] umount2("./216/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1369] close(16 [pid 313] newfstatat(AT_FDCWD, "./216/cgroup" [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1369] close(17 [pid 313] unlink("./216/cgroup" [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1369] close(18 [pid 313] getdents64(3 [pid 310] umount2("./206", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1369] close(19 [pid 313] close(3 [pid 310] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1369] close(20 [pid 313] rmdir("./216" [pid 312] umount2("./214", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1369] close(21 [pid 313] mkdir("./217", 0777 [pid 312] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1369] close(22 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] fstat(3 [pid 310] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1369] close(23 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1370 attached [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1370] set_robust_list(0x55555bb49760, 24 [pid 1369] close(24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 219 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] newfstatat(AT_FDCWD, "./206/config" [pid 1370] <... set_robust_list resumed>) = 0 [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1370] rt_sigprocmask(SIG_SETMASK, [] [pid 1369] close(25 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1370] chdir("./217" [pid 1369] close(26 [pid 312] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./206/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1370] <... chdir resumed>) = 0 [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 1369] close(27 [pid 310] fstat(4 [pid 1370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./214/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1370] <... prctl resumed>) = 0 [pid 1369] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 1370] setpgid(0, 0 [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1370] <... setpgid resumed>) = 0 [pid 1369] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1370] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./214/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1370] <... symlink resumed>) = 0 [pid 1369] exit_group(0 [pid 312] <... openat resumed>) = 4 [pid 310] close(4 [pid 1370] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1369] <... exit_group resumed>) = ? [pid 312] fstat(4 [pid 310] <... close resumed>) = 0 [pid 1370] <... symlink resumed>) = 0 [pid 1369] +++ exited with 0 +++ [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./206/config" [pid 1370] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] getdents64(4 [pid 310] <... rmdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1370] <... symlink resumed>) = 0 [pid 310] umount2("./206/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] getdents64(4 [pid 311] umount2("./209", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./206/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./206/binderfs" [pid 1370] <... openat resumed>) = 3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1370] write(3, "1000", 4 [pid 312] close(4 [pid 311] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./206/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1370] <... write resumed>) = 4 [pid 312] <... close resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1370] close(3 [pid 312] rmdir("./214/config" [pid 311] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./206/cgroup.net" [pid 1370] <... close resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1370] symlink("/dev/binderfs", "./binderfs" [pid 312] umount2("./214/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 310] unlink("./206/cgroup.net" [pid 1370] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./206/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1370] write(1, "executing program\n", 18 [pid 312] newfstatat(AT_FDCWD, "./214/binderfs" [pid 311] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1370] <... write resumed>) = 18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./206/cgroup.cpu" [pid 1370] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] unlink("./214/binderfs" [pid 311] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1370] <... mkdirat resumed>) = 0 [pid 310] unlink("./206/cgroup.cpu" [pid 1370] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1370] <... mount resumed>) = 0 [pid 312] umount2("./214/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./206/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./209/config" [pid 310] newfstatat(AT_FDCWD, "./206/cgroup" [pid 1370] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] newfstatat(AT_FDCWD, "./214/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./206/cgroup" [pid 1370] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] unlink("./214/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3 [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./209/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 1370] <... mkdirat resumed>) = 0 [pid 310] rmdir("./206" [pid 1370] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] umount2("./214/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./207", 0777 [pid 1370] <... symlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(4 [pid 310] <... mkdir resumed>) = 0 [pid 1370] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] newfstatat(AT_FDCWD, "./214/cgroup.cpu" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1370] <... unlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1370] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1371 attached [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 209 [pid 1370] <... unlinkat resumed>) = 0 [pid 312] unlink("./214/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1371] set_robust_list(0x55555bb49760, 24 [pid 1370] close(3 [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1371] <... set_robust_list resumed>) = 0 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./214/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1371] rt_sigprocmask(SIG_SETMASK, [] [pid 1370] close(4 [pid 1371] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 309] umount2("./205", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1371] chdir("./207" [pid 1370] close(5 [pid 312] newfstatat(AT_FDCWD, "./214/cgroup" [pid 1371] <... chdir resumed>) = 0 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1370] close(6 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./209/config" [pid 1371] <... prctl resumed>) = 0 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./214/cgroup" [pid 309] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1370] close(7 [pid 311] <... rmdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1371] setpgid(0, 0 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] umount2("./209/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 1371] <... setpgid resumed>) = 0 [pid 1370] close(8 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1371] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] newfstatat(AT_FDCWD, "./209/binderfs" [pid 309] getdents64(3 [pid 1371] <... symlink resumed>) = 0 [pid 1370] close(9 [pid 312] <... close resumed>) = 0 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1371] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1370] close(10 [pid 312] rmdir("./214" [pid 311] unlink("./209/binderfs" [pid 1371] <... symlink resumed>) = 0 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1371] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1370] close(11 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1371] <... symlink resumed>) = 0 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 1371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1370] close(12 [pid 312] mkdir("./215", 0777 [pid 311] umount2("./209/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1371] <... openat resumed>) = 3 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... mkdir resumed>) = 0 [pid 1370] close(13 [pid 311] newfstatat(AT_FDCWD, "./209/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1371] write(3, "1000", 4 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./205/config" [pid 1371] <... write resumed>) = 4 [pid 1370] close(14 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] unlink("./209/cgroup.net" [pid 1371] close(3 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1371] <... close resumed>) = 0 [pid 1370] close(15 [pid 311] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1372 attached [pid 1371] symlink("/dev/binderfs", "./binderfs" [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./209/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./205/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1372] set_robust_list(0x55555bb49760, 24) = 0 [pid 1372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1372] chdir("./215") = 0 [pid 1372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1372] setpgid(0, 0) = 0 [pid 1372] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1370] close(16 [pid 1372] <... symlink resumed>) = 0 [pid 1372] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 1372] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 217 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1371] <... symlink resumed>) = 0 [pid 1370] close(17 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] newfstatat(AT_FDCWD, "./209/cgroup.cpu" [pid 309] openat(AT_FDCWD, "./205/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1372] <... openat resumed>) = 3 [pid 1371] write(1, "executing program\n", 18 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1372] write(3, "1000", 4 [pid 1371] <... write resumed>) = 18 [pid 1370] close(18 [pid 311] unlink("./209/cgroup.cpu" [pid 309] <... openat resumed>) = 4 [pid 1372] <... write resumed>) = 4 [pid 1371] mkdirat(AT_FDCWD, "./config", 0777 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1372] close(3 [pid 311] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 1372] <... close resumed>) = 0 [pid 1371] <... mkdirat resumed>) = 0 [pid 1370] close(19 [pid 311] umount2("./209/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1372] symlink("/dev/binderfs", "./binderfs" [pid 1371] mount(NULL, "./config", "configfs", 0, NULL [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1372] <... symlink resumed>) = 0 [pid 1372] write(1, "executing program\n", 18) = 18 executing program [pid 1372] mkdirat(AT_FDCWD, "./config", 0777 [pid 1371] <... mount resumed>) = 0 [pid 1370] close(20 [pid 311] newfstatat(AT_FDCWD, "./209/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1372] <... mkdirat resumed>) = 0 [pid 1371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1372] mount(NULL, "./config", "configfs", 0, NULL [pid 1371] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1370] close(21 [pid 309] getdents64(4 [pid 1372] <... mount resumed>) = 0 [pid 1371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./209/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1371] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1372] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1370] close(22 [pid 1371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1372] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1371] <... mkdirat resumed>) = 0 [pid 311] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 1372] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1371] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1370] close(23 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./205/config" [pid 1372] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 1371] <... symlinkat resumed>) = 0 [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 1372] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1371] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1370] close(24 [pid 309] <... rmdir resumed>) = 0 [pid 1372] <... unlinkat resumed>) = 0 [pid 1371] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] umount2("./205/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1372] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1371] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1370] close(25 [pid 311] rmdir("./209" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1372] close(3 [pid 1371] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./205/binderfs" [pid 1372] close(4 [pid 1371] close(3 [pid 1370] close(26 [pid 311] mkdir("./210", 0777 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1372] close(5 [pid 1371] close(4 [pid 1370] close(27 [pid 311] <... mkdir resumed>) = 0 [pid 309] unlink("./205/binderfs" [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1372] close(6 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] close(5 [pid 1370] close(28 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1372] close(7 [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./205/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] close(6 [pid 1370] close(29 [pid 1372] close(8) = -1 EBADF (Bad file descriptor) [pid 1372] close(9) = -1 EBADF (Bad file descriptor) [pid 1372] close(10ci2-android-5-15/strace-static-x86_64: Process 1373 attached ) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1373] set_robust_list(0x55555bb49760, 24 [pid 1372] close(11 [pid 1371] close(7 [pid 1373] <... set_robust_list resumed>) = 0 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1370] exit_group(0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 212 [pid 309] newfstatat(AT_FDCWD, "./205/cgroup.net" [pid 1373] rt_sigprocmask(SIG_SETMASK, [] [pid 1372] close(12 [pid 1373] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] close(8 [pid 1370] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1373] chdir("./210" [pid 1372] close(13 [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1373] <... chdir resumed>) = 0 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1372] close(14 [pid 1373] <... prctl resumed>) = 0 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1373] setpgid(0, 0 [pid 1372] close(15 [pid 1373] <... setpgid resumed>) = 0 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1370] +++ exited with 0 +++ [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./205/cgroup.net" [pid 1373] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1372] close(16 [pid 1371] close(9 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1373] <... symlink resumed>) = 0 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 1373] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1372] close(17 [pid 1371] close(10 [pid 313] <... restart_syscall resumed>) = 0 [pid 309] umount2("./205/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1373] <... symlink resumed>) = 0 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1373] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1372] close(18 [pid 1371] close(11 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./217", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1373] <... symlink resumed>) = 0 [pid 1372] close(19 [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./205/cgroup.cpu" [pid 1373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] close(12 [pid 313] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1372] close(20 [pid 313] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1373] <... openat resumed>) = 3 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 309] unlink("./205/cgroup.cpu" [pid 1373] write(3, "1000", 4 [pid 1372] close(21 [pid 1371] close(13 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1373] <... write resumed>) = 4 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1373] close(3 [pid 1372] close(22 [pid 1371] close(14 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./205/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1373] <... close resumed>) = 0 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1373] symlink("/dev/binderfs", "./binderfs" [pid 1372] close(23 [pid 1371] close(15 [pid 313] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1373] <... symlink resumed>) = 0 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./205/cgroup" [pid 1373] write(1, "executing program\n", 18 [pid 1372] close(24 [pid 1371] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1373] <... write resumed>) = 18 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] newfstatat(AT_FDCWD, "./217/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1373] mkdirat(AT_FDCWD, "./config", 0777 [pid 1372] close(25 [pid 1371] close(17 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1373] <... mkdirat resumed>) = 0 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./205/cgroup" [pid 1373] mount(NULL, "./config", "configfs", 0, NULL [pid 1372] close(26 [pid 1371] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./217/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1373] <... mount resumed>) = 0 [pid 1372] close(27 [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 309] getdents64(3 [pid 1373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] close(19 [pid 313] fstat(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1373] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1372] close(28 [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] close(20 [pid 313] getdents64(4 [pid 309] close(3 [pid 1373] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1372] close(29 [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] close(21 [pid 313] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 1373] <... mkdirat resumed>) = 0 [pid 1372] exit_group(0 [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./205" [pid 1373] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1372] <... exit_group resumed>) = ? [pid 1371] close(22 [pid 313] close(4 [pid 1373] <... symlinkat resumed>) = 0 [pid 1372] +++ exited with 0 +++ [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1373] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1371] close(23 [pid 313] rmdir("./217/config" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] mkdir("./206", 0777 [pid 1373] <... unlinkat resumed>) = 0 [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] umount2("./217/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 1373] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1371] close(24 [pid 313] newfstatat(AT_FDCWD, "./217/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1373] <... unlinkat resumed>) = 0 [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./217/binderfs" [pid 1373] close(3 [pid 1371] close(25 [pid 313] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./217/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1373] close(4 [pid 1371] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] newfstatat(AT_FDCWD, "./217/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./217/cgroup.net") = 0 [pid 313] umount2("./217/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./217/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1374 attached [pid 1373] close(5 [pid 1371] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1374] set_robust_list(0x55555bb49760, 24 [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./217/cgroup.cpu" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 208 [pid 1374] <... set_robust_list resumed>) = 0 [pid 1373] close(6 [pid 1371] close(28 [pid 313] <... unlink resumed>) = 0 [pid 1374] rt_sigprocmask(SIG_SETMASK, [] [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./217/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1373] close(7 [pid 1371] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1374] chdir("./206" [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./217/cgroup" [pid 1374] <... chdir resumed>) = 0 [pid 1373] close(8 [pid 1371] exit_group(0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1371] <... exit_group resumed>) = ? [pid 313] unlink("./217/cgroup" [pid 1374] <... prctl resumed>) = 0 [pid 1373] close(9 [pid 313] <... unlink resumed>) = 0 [pid 1374] setpgid(0, 0 [pid 313] getdents64(3 [pid 1374] <... setpgid resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1374] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 313] close(3 [pid 1374] <... symlink resumed>) = 0 [pid 1371] +++ exited with 0 +++ [pid 313] <... close resumed>) = 0 [pid 1374] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./217" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1374] <... symlink resumed>) = 0 [pid 1373] close(10 [pid 313] <... rmdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1374] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./218", 0777 [pid 1374] <... symlink resumed>) = 0 [pid 1373] close(11 [pid 313] <... mkdir resumed>) = 0 [pid 1374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1374] <... openat resumed>) = 3 [pid 1373] close(12 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1374] write(3, "1000", 4 [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1374] <... write resumed>) = 4 [pid 1373] close(13ci2-android-5-15/strace-static-x86_64: Process 1375 attached [pid 1374] close(3 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 220 [pid 1375] set_robust_list(0x55555bb49760, 24 [pid 1374] <... close resumed>) = 0 [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1375] <... set_robust_list resumed>) = 0 [pid 1374] symlink("/dev/binderfs", "./binderfs" [pid 1373] close(14 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1375] rt_sigprocmask(SIG_SETMASK, [] [pid 1374] <... symlink resumed>) = 0 [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1374] write(1, "executing program\n", 18 [pid 1373] close(15 executing program [pid 1375] chdir("./218" [pid 1374] <... write resumed>) = 18 [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1375] <... chdir resumed>) = 0 [pid 1374] mkdirat(AT_FDCWD, "./config", 0777 [pid 1373] close(16 [pid 1375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1374] <... mkdirat resumed>) = 0 [pid 1375] <... prctl resumed>) = 0 [pid 1374] mount(NULL, "./config", "configfs", 0, NULL [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1375] setpgid(0, 0 [pid 1374] <... mount resumed>) = 0 [pid 1373] close(17 [pid 1375] <... setpgid resumed>) = 0 [pid 1374] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1375] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1374] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1373] close(18 [pid 1374] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1374] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1375] <... symlink resumed>) = 0 [pid 1374] <... mkdirat resumed>) = 0 [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1375] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1374] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1375] <... symlink resumed>) = 0 [pid 1374] <... symlinkat resumed>) = 0 [pid 1373] close(19 [pid 312] <... restart_syscall resumed>) = 0 [pid 1375] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1374] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1374] <... unlinkat resumed>) = 0 [pid 1374] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1375] <... symlink resumed>) = 0 [pid 1374] <... unlinkat resumed>) = 0 [pid 1373] close(20 [pid 1375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1374] close(3 [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1375] <... openat resumed>) = 3 [pid 1374] close(4 [pid 1373] close(21 [pid 1375] write(3, "1000", 4 [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./215", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1375] <... write resumed>) = 4 [pid 1374] close(5 [pid 1373] close(22 [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1375] close(3 [pid 1374] close(6 [pid 1373] close(23 [pid 312] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1375] <... close resumed>) = 0 [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1375] symlink("/dev/binderfs", "./binderfs" [pid 1374] close(7 [pid 1373] close(24 [pid 312] <... openat resumed>) = 3 [pid 1375] <... symlink resumed>) = 0 [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1375] write(1, "executing program\n", 18 [pid 1374] close(8 [pid 1373] close(25 [pid 312] fstat(3 [pid 1375] <... write resumed>) = 18 [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1375] mkdirat(AT_FDCWD, "./config", 0777 [pid 1374] close(9) = -1 EBADF (Bad file descriptor) [pid 1374] close(10 [pid 1373] close(26 [pid 312] getdents64(3 [pid 1375] <... mkdirat resumed>) = 0 executing program [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1375] mount(NULL, "./config", "configfs", 0, NULL [pid 1374] close(11 [pid 1373] close(27 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1375] <... mount resumed>) = 0 [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1374] close(12 [pid 1373] close(28 [pid 1375] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1374] close(13 [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1375] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1373] close(29 [pid 1375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1374] close(14 [pid 1373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1374] close(15) = -1 EBADF (Bad file descriptor) [pid 1375] <... mkdirat resumed>) = 0 [pid 1374] close(16) = -1 EBADF (Bad file descriptor) [pid 1373] exit_group(0 [pid 1375] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1374] close(17 [pid 312] newfstatat(AT_FDCWD, "./215/config" [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1373] <... exit_group resumed>) = ? [pid 1375] <... symlinkat resumed>) = 0 [pid 1374] close(18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1374] close(19) = -1 EBADF (Bad file descriptor) [pid 1374] close(20) = -1 EBADF (Bad file descriptor) [pid 1374] close(21) = -1 EBADF (Bad file descriptor) [pid 1374] close(22) = -1 EBADF (Bad file descriptor) [pid 1374] close(23) = -1 EBADF (Bad file descriptor) [pid 1374] close(24 [pid 1373] +++ exited with 0 +++ [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1375] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1374] close(25 [pid 1375] <... unlinkat resumed>) = 0 [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1375] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1374] close(26 [pid 312] openat(AT_FDCWD, "./215/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1374] close(27) = -1 EBADF (Bad file descriptor) [pid 1375] <... unlinkat resumed>) = 0 [pid 1374] close(28 [pid 1375] close(3 [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1374] close(29 [pid 312] fstat(4 [pid 1375] close(4 [pid 1374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1374] exit_group(0 [pid 312] getdents64(4 [pid 1375] close(5 [pid 1374] <... exit_group resumed>) = ? [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1374] +++ exited with 0 +++ [pid 312] getdents64(4 [pid 310] umount2("./207", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1375] close(6 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 310] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1375] close(7 [pid 312] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./215/config" [pid 310] fstat(3 [pid 1375] close(8 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 310] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1375] close(9 [pid 312] umount2("./215/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1375] close(10 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./215/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1375] close(11 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./207/config" [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./215/binderfs" [pid 311] umount2("./210", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1375] close(12 [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./215/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1375] close(13 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./207/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./215/cgroup.net" [pid 311] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 4 [pid 1375] close(14 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 310] fstat(4 [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./215/cgroup.net" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1375] close(15 [pid 310] getdents64(4 [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1375] close(16 [pid 312] umount2("./215/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] getdents64(4 [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 1375] close(17 [pid 312] newfstatat(AT_FDCWD, "./215/cgroup.cpu" [pid 310] rmdir("./207/config" [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1375] close(18 [pid 312] unlink("./215/cgroup.cpu" [pid 311] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./207/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1375] close(19 [pid 312] umount2("./215/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./210/config" [pid 310] newfstatat(AT_FDCWD, "./207/binderfs" [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1375] close(20 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./207/binderfs" [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./215/cgroup" [pid 311] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1375] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./207/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./215/cgroup" [pid 311] openat(AT_FDCWD, "./210/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1375] close(22 [pid 310] newfstatat(AT_FDCWD, "./207/cgroup.net" [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1375] close(23 [pid 312] getdents64(3 [pid 311] fstat(4 [pid 310] unlink("./207/cgroup.net" [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1375] close(24 [pid 312] close(3 [pid 311] getdents64(4 [pid 310] umount2("./207/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1375] close(25 [pid 312] rmdir("./215" [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./207/cgroup.cpu" [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1375] close(26 [pid 312] mkdir("./216", 0777 [pid 311] close(4 [pid 310] unlink("./207/cgroup.cpu" [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1375] close(27 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rmdir("./210/config" [pid 310] umount2("./207/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1375] close(28 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./210/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./207/cgroup" [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./207/cgroup") = 0 [pid 310] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 ci2-android-5-15/strace-static-x86_64: Process 1376 attached [pid 1375] close(29 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./207" [pid 1376] set_robust_list(0x55555bb49760, 24 [pid 1375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 218 [pid 311] newfstatat(AT_FDCWD, "./210/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 1376] <... set_robust_list resumed>) = 0 [pid 1375] exit_group(0 [pid 310] mkdir("./208", 0777 [pid 1376] rt_sigprocmask(SIG_SETMASK, [] [pid 1375] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1376] chdir("./216" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1376] <... chdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1377 attached [pid 1376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1375] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] unlink("./210/binderfs" [pid 1376] <... prctl resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 210 [pid 1377] set_robust_list(0x55555bb49760, 24 [pid 1376] setpgid(0, 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] umount2("./210/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1377] <... set_robust_list resumed>) = 0 [pid 1376] <... setpgid resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1377] rt_sigprocmask(SIG_SETMASK, [] [pid 1376] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] newfstatat(AT_FDCWD, "./210/cgroup.net" [pid 1377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1376] <... symlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1377] chdir("./208" [pid 1376] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] unlink("./210/cgroup.net" [pid 1377] <... chdir resumed>) = 0 [pid 1376] <... symlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1376] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] umount2("./210/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1376] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1377] <... prctl resumed>) = 0 [pid 1376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] newfstatat(AT_FDCWD, "./210/cgroup.cpu" [pid 1377] setpgid(0, 0 [pid 1376] <... openat resumed>) = 3 [pid 309] umount2("./206", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1377] <... setpgid resumed>) = 0 [pid 1376] write(3, "1000", 4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1377] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1376] <... write resumed>) = 4 [pid 311] unlink("./210/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1377] <... symlink resumed>) = 0 executing program [pid 1376] close(3 [pid 1377] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1376] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1376] symlink("/dev/binderfs", "./binderfs" [pid 1377] <... symlink resumed>) = 0 [pid 1376] <... symlink resumed>) = 0 [pid 311] umount2("./210/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 1377] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1376] write(1, "executing program\n", 18 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1377] <... symlink resumed>) = 0 [pid 1376] <... write resumed>) = 18 [pid 1377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1376] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] newfstatat(AT_FDCWD, "./210/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1377] <... openat resumed>) = 3 [pid 1376] <... mkdirat resumed>) = 0 [pid 313] umount2("./218", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1377] write(3, "1000", 4 [pid 1376] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1377] <... write resumed>) = 4 [pid 1376] <... mount resumed>) = 0 [pid 313] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./210/cgroup" [pid 1377] close(3 [pid 1376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1377] <... close resumed>) = 0 [pid 1376] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] fstat(3 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1377] symlink("/dev/binderfs", "./binderfs" [pid 1376] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] getdents64(3 [pid 311] getdents64(3 [pid 309] <... umount2 resumed>) = 0 [pid 1377] <... symlink resumed>) = 0 [pid 1376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1377] write(1, "executing program\n", 18 [pid 1376] <... mkdirat resumed>) = 0 [pid 313] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 1377] <... write resumed>) = 18 [pid 1376] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1377] mkdirat(AT_FDCWD, "./config", 0777 [pid 1376] <... symlinkat resumed>) = 0 [pid 313] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./206/config" [pid 1377] <... mkdirat resumed>) = 0 [pid 1376] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./210" [pid 1377] mount(NULL, "./config", "configfs", 0, NULL [pid 1376] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./218/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1377] <... mount resumed>) = 0 [pid 1376] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] umount2("./206/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1376] <... unlinkat resumed>) = 0 [pid 313] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1377] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1376] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdir("./211", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./218/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1377] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1376] close(4 [pid 313] <... openat resumed>) = 4 [pid 311] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./206/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1376] close(5 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 1377] <... mkdirat resumed>) = 0 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(4 [pid 1377] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1376] close(6 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1377] <... symlinkat resumed>) = 0 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1376] close(7 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1376] close(8 [pid 313] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1378 attached [pid 1377] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./218/config" [pid 309] getdents64(4 [pid 1378] set_robust_list(0x55555bb49760, 24 [pid 1377] <... unlinkat resumed>) = 0 [pid 1376] close(9 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 213 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1378] <... set_robust_list resumed>) = 0 [pid 1377] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./218/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1378] rt_sigprocmask(SIG_SETMASK, [] [pid 1376] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1378] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1377] <... unlinkat resumed>) = 0 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./218/binderfs" [pid 1378] chdir("./211" [pid 1377] close(3 [pid 1376] close(11 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1378] <... chdir resumed>) = 0 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./218/binderfs" [pid 1378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1377] close(4 [pid 1376] close(12 [pid 313] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1378] <... prctl resumed>) = 0 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./218/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1378] setpgid(0, 0 [pid 1377] close(5 [pid 1376] close(13 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1378] <... setpgid resumed>) = 0 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./218/cgroup.net" [pid 1378] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1377] close(6 [pid 1376] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./206/config" [pid 1378] <... symlink resumed>) = 0 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./218/cgroup.net" [pid 1378] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1377] close(7 [pid 1376] close(15 [pid 313] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1378] <... symlink resumed>) = 0 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./218/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./206/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1378] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1377] close(8 [pid 1376] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1378] <... symlink resumed>) = 0 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./218/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] close(17 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./206/binderfs" [pid 1378] <... openat resumed>) = 3 [pid 1377] close(9 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./218/cgroup.cpu" [pid 1378] write(3, "1000", 4 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] close(18 [pid 313] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1378] <... write resumed>) = 4 [pid 1377] close(10 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./218/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./206/binderfs" [pid 1378] close(3 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1378] <... close resumed>) = 0 [pid 1377] close(11 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./218/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1378] symlink("/dev/binderfs", "./binderfs" [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1378] <... symlink resumed>) = 0 [pid 1377] close(12 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./218/cgroup" [pid 309] umount2("./206/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1378] write(1, "executing program\n", 18 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1376] close(21 [pid 313] <... unlink resumed>) = 0 [pid 1378] <... write resumed>) = 18 [pid 1377] close(13 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1378] mkdirat(AT_FDCWD, "./config", 0777 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] close(22 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1378] <... mkdirat resumed>) = 0 [pid 1377] close(14 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] newfstatat(AT_FDCWD, "./206/cgroup.net" [pid 1378] mount(NULL, "./config", "configfs", 0, NULL [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] close(23 [pid 313] <... close resumed>) = 0 [pid 1378] <... mount resumed>) = 0 [pid 1377] close(15 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./218" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] close(24 [pid 313] <... rmdir resumed>) = 0 [pid 309] unlink("./206/cgroup.net" [pid 1378] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1377] close(16 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./219", 0777 [pid 1378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] close(25 [pid 313] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1378] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1377] close(17 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] close(26 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./206/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1378] <... mkdirat resumed>) = 0 [pid 1377] close(18 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1378] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] close(27 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1379 attached [pid 1378] <... symlinkat resumed>) = 0 [pid 1377] close(19 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 221 [pid 309] newfstatat(AT_FDCWD, "./206/cgroup.cpu" [pid 1379] set_robust_list(0x55555bb49760, 24 [pid 1378] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] close(28 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1379] <... set_robust_list resumed>) = 0 [pid 1378] <... unlinkat resumed>) = 0 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1379] rt_sigprocmask(SIG_SETMASK, [] [pid 1378] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1377] close(20 [pid 1376] close(29 [pid 309] unlink("./206/cgroup.cpu" [pid 1379] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1378] <... unlinkat resumed>) = 0 [pid 1376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] chdir("./219" [pid 1378] close(3 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 1379] <... chdir resumed>) = 0 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1377] close(21 [pid 1376] <... exit_group resumed>) = ? [pid 309] umount2("./206/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1378] close(4 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1376] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1379] <... prctl resumed>) = 0 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1377] close(22 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./206/cgroup" [pid 1379] setpgid(0, 0 [pid 1378] close(5 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1379] <... setpgid resumed>) = 0 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1377] close(23 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1379] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1378] close(6 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 309] unlink("./206/cgroup" [pid 1379] <... symlink resumed>) = 0 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1377] close(24 [pid 1379] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1378] close(7 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1379] <... symlink resumed>) = 0 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1377] close(25 [pid 312] umount2("./216", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1379] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1378] close(8 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1379] <... symlink resumed>) = 0 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1377] close(26 [pid 312] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1378] close(9 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 309] close(3 [pid 1379] <... openat resumed>) = 3 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1377] close(27 [pid 312] fstat(3 [pid 1379] write(3, "1000", 4 [pid 1378] close(10 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 1379] <... write resumed>) = 4 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1377] close(28 [pid 312] getdents64(3 [pid 309] rmdir("./206" [pid 1379] close(3 [pid 1378] close(11 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1379] <... close resumed>) = 0 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1377] close(29 [pid 312] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1379] symlink("/dev/binderfs", "./binderfs" [pid 1378] close(12 [pid 1377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 309] mkdir("./207", 0777 [pid 1379] <... symlink resumed>) = 0 [pid 1378] close(13) = -1 EBADF (Bad file descriptor) [pid 1377] exit_group(0 [pid 312] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1379] write(1, "executing program\n", 18 [pid 1378] close(14 executing program [pid 1377] <... exit_group resumed>) = ? [pid 309] <... mkdir resumed>) = 0 [pid 1379] <... write resumed>) = 18 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1378] close(15) = -1 EBADF (Bad file descriptor) [pid 1378] close(16) = -1 EBADF (Bad file descriptor) [pid 1378] close(17) = -1 EBADF (Bad file descriptor) [pid 1378] close(18) = -1 EBADF (Bad file descriptor) [pid 1378] close(19) = -1 EBADF (Bad file descriptor) [pid 1378] close(20) = -1 EBADF (Bad file descriptor) [pid 1378] close(21 [pid 1377] +++ exited with 0 +++ [pid 1379] mkdirat(AT_FDCWD, "./config", 0777 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./216/config" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1379] <... mkdirat resumed>) = 0 [pid 1378] close(22 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1379] mount(NULL, "./config", "configfs", 0, NULL [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1379] <... mount resumed>) = 0 [pid 1378] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./216/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1378] close(24) = -1 EBADF (Bad file descriptor) [pid 1378] close(25) = -1 EBADF (Bad file descriptor) [pid 1378] close(26) = -1 EBADF (Bad file descriptor) [pid 1378] close(27) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1380 attached [pid 1379] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1378] close(28 [pid 312] <... openat resumed>) = 4 [pid 1380] set_robust_list(0x55555bb49760, 24 [pid 1379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1380] <... set_robust_list resumed>) = 0 [pid 1379] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1378] close(29 [pid 312] fstat(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 209 [pid 1380] rt_sigprocmask(SIG_SETMASK, [] [pid 1379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1380] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1378] exit_group(0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1380] chdir("./207" [pid 1379] <... mkdirat resumed>) = 0 [pid 1378] <... exit_group resumed>) = ? [pid 312] getdents64(4 [pid 1380] <... chdir resumed>) = 0 [pid 1379] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1378] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1380] <... prctl resumed>) = 0 [pid 1379] <... symlinkat resumed>) = 0 [pid 1380] setpgid(0, 0 [pid 1379] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] getdents64(4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1380] <... setpgid resumed>) = 0 [pid 1380] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1379] <... unlinkat resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1380] <... symlink resumed>) = 0 [pid 1379] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1380] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 312] close(4 [pid 1380] <... symlink resumed>) = 0 [pid 1380] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 1379] <... unlinkat resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 1380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1379] close(3 [pid 312] rmdir("./216/config" [pid 1380] write(3, "1000", 4 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1380] <... write resumed>) = 4 [pid 1380] close(3) = 0 [pid 1380] symlink("/dev/binderfs", "./binderfs" [pid 312] <... rmdir resumed>) = 0 [pid 1379] close(4 [pid 1380] <... symlink resumed>) = 0 [pid 312] umount2("./216/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 1380] write(1, "executing program\n", 18) = 18 [pid 1379] close(5 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1380] mkdirat(AT_FDCWD, "./config", 0777 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1380] <... mkdirat resumed>) = 0 executing program [pid 312] newfstatat(AT_FDCWD, "./216/binderfs" [pid 1380] mount(NULL, "./config", "configfs", 0, NULL [pid 1379] close(6 [pid 1380] <... mount resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./211", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 1380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1379] close(7 [pid 312] unlink("./216/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1380] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1379] close(8 [pid 312] umount2("./216/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 3 [pid 310] umount2("./208", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1380] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1379] close(9 [pid 312] newfstatat(AT_FDCWD, "./216/cgroup.net" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1380] <... mkdirat resumed>) = 0 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3 [pid 310] <... openat resumed>) = 3 [pid 1380] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1379] close(10 [pid 312] unlink("./216/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] fstat(3 [pid 1380] <... symlinkat resumed>) = 0 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1380] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1379] close(11 [pid 312] umount2("./216/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1380] <... unlinkat resumed>) = 0 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1380] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1379] close(12 [pid 312] newfstatat(AT_FDCWD, "./216/cgroup.cpu" [pid 311] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1380] <... unlinkat resumed>) = 0 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 1380] close(3 [pid 1379] close(13 [pid 312] unlink("./216/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./211/config" [pid 310] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1380] close(4 [pid 1379] close(14 [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./208/config" [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./216/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1380] close(5 [pid 1379] close(15 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./216/cgroup" [pid 311] openat(AT_FDCWD, "./211/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1380] close(6 [pid 1379] close(16 [pid 310] openat(AT_FDCWD, "./208/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] <... openat resumed>) = 4 [pid 1380] close(7 [pid 1379] close(17 [pid 312] unlink("./216/cgroup" [pid 311] fstat(4 [pid 310] fstat(4 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1380] close(8 [pid 310] getdents64(4 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] close(18 [pid 312] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1380] close(9 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] getdents64(4 [pid 310] getdents64(4 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] close(19 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1380] close(10 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] close(4 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] close(20 [pid 312] <... close resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 1380] close(11 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./216" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./208/config" [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] close(21 [pid 312] <... rmdir resumed>) = 0 [pid 311] close(4 [pid 310] <... rmdir resumed>) = 0 [pid 1380] close(12 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./217", 0777 [pid 310] umount2("./208/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] close(22 [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1380] close(13 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 311] rmdir("./211/config" [pid 310] newfstatat(AT_FDCWD, "./208/binderfs" [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] close(23 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1380] close(14 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./211/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./208/binderfs" [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] close(24 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1380] close(15 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./208/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1380] close(16 [pid 310] newfstatat(AT_FDCWD, "./208/cgroup.net" [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1380] close(17 [pid 310] unlink("./208/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1381 attached [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] close(25 [pid 311] newfstatat(AT_FDCWD, "./211/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 1381] set_robust_list(0x55555bb49760, 24 [pid 1380] close(18 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 219 [pid 310] umount2("./208/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1381] <... set_robust_list resumed>) = 0 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] close(26 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1381] rt_sigprocmask(SIG_SETMASK, [] [pid 1380] close(19 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./208/cgroup.cpu" [pid 1381] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] close(27 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] unlink("./211/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1381] chdir("./217" [pid 1380] close(20 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./208/cgroup.cpu" [pid 1381] <... chdir resumed>) = 0 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] close(28 [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1380] close(21 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./211/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./208/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1381] <... prctl resumed>) = 0 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] close(29 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1381] setpgid(0, 0 [pid 1380] close(22 [pid 1379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./211/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./208/cgroup" [pid 1381] <... setpgid resumed>) = 0 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1379] exit_group(0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1381] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1380] close(23 [pid 1379] <... exit_group resumed>) = ? [pid 311] unlink("./211/cgroup.net" [pid 310] unlink("./208/cgroup" [pid 1381] <... symlink resumed>) = 0 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1381] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 310] getdents64(3 [pid 1381] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1381] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 310] close(3 [pid 1381] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1379] +++ exited with 0 +++ [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./208" [pid 1381] <... openat resumed>) = 3 [pid 1380] close(24 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./211/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 1381] write(3, "1000", 4 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./209", 0777 [pid 1381] <... write resumed>) = 4 [pid 1380] close(25 [pid 311] newfstatat(AT_FDCWD, "./211/cgroup.cpu" [pid 310] <... mkdir resumed>) = 0 [pid 1381] close(3 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1381] <... close resumed>) = 0 [pid 1380] close(26 [pid 311] unlink("./211/cgroup.cpu" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1381] symlink("/dev/binderfs", "./binderfs" [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1381] <... symlink resumed>) = 0 [pid 1380] close(27 [pid 311] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1382 attached [pid 1381] write(1, "executing program\n", 18 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./211/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 211 executing program [pid 1382] set_robust_list(0x55555bb49760, 24 [pid 1381] <... write resumed>) = 18 [pid 1380] close(28 [pid 313] umount2("./219", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1382] <... set_robust_list resumed>) = 0 [pid 1381] mkdirat(AT_FDCWD, "./config", 0777 [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./211/cgroup" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1382] rt_sigprocmask(SIG_SETMASK, [] [pid 1381] <... mkdirat resumed>) = 0 [pid 1380] close(29 [pid 313] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1382] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1381] mount(NULL, "./config", "configfs", 0, NULL [pid 1380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] unlink("./211/cgroup" [pid 1382] chdir("./209" [pid 313] fstat(3 [pid 1381] <... mount resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1380] exit_group(0 [pid 1382] <... chdir resumed>) = 0 [pid 1381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1380] <... exit_group resumed>) = ? [pid 313] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 1382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1381] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 313] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./219/config" [pid 1380] +++ exited with 0 +++ [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1382] <... prctl resumed>) = 0 [pid 1381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1382] setpgid(0, 0 [pid 1381] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1382] <... setpgid resumed>) = 0 [pid 1381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] openat(AT_FDCWD, "./219/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] close(3 [pid 1382] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] <... openat resumed>) = 4 [pid 1381] <... mkdirat resumed>) = 0 [pid 313] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... close resumed>) = 0 [pid 1382] <... symlink resumed>) = 0 [pid 1381] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] getdents64(4 [pid 311] rmdir("./211" [pid 1382] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1381] <... symlinkat resumed>) = 0 [pid 313] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1382] <... symlink resumed>) = 0 [pid 313] close(4) = 0 [pid 313] rmdir("./219/config" [pid 1382] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1381] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... rmdir resumed>) = 0 [pid 311] mkdir("./212", 0777 [pid 1382] <... symlink resumed>) = 0 [pid 313] umount2("./219/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1381] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... mkdir resumed>) = 0 [pid 1382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1381] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] newfstatat(AT_FDCWD, "./219/binderfs" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1382] <... openat resumed>) = 3 [pid 313] unlink("./219/binderfs" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1382] write(3, "1000", 4 [pid 1381] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1382] <... write resumed>) = 4 [pid 1381] close(3 [pid 313] umount2("./219/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./219/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./219/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1383 attached [pid 1382] close(3 [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1383] set_robust_list(0x55555bb49760, 24 [pid 1382] <... close resumed>) = 0 [pid 1381] close(4 [pid 313] umount2("./219/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 214 [pid 1383] <... set_robust_list resumed>) = 0 [pid 1382] symlink("/dev/binderfs", "./binderfs" [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1383] rt_sigprocmask(SIG_SETMASK, [] [pid 313] newfstatat(AT_FDCWD, "./219/cgroup.cpu" [pid 1382] <... symlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1383] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1382] write(1, "executing program\n", 18 [pid 1381] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1383] chdir("./212" [pid 1382] <... write resumed>) = 18 [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./219/cgroup.cpu" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1383] <... chdir resumed>) = 0 [pid 1382] mkdirat(AT_FDCWD, "./config", 0777 [pid 1381] close(6 [pid 313] <... unlink resumed>) = 0 [pid 1383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] umount2("./219/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1383] <... prctl resumed>) = 0 [pid 1382] <... mkdirat resumed>) = 0 [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1383] setpgid(0, 0 [pid 1382] mount(NULL, "./config", "configfs", 0, NULL [pid 1381] close(7 [pid 313] newfstatat(AT_FDCWD, "./219/cgroup" [pid 1383] <... setpgid resumed>) = 0 [pid 1382] <... mount resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./219/cgroup" [pid 1383] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1381] close(8 [pid 313] <... unlink resumed>) = 0 [pid 313] getdents64(3 [pid 1383] <... symlink resumed>) = 0 [pid 1382] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1383] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] close(3 [pid 1383] <... symlink resumed>) = 0 [pid 1381] close(9 [pid 313] <... close resumed>) = 0 [pid 1382] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1383] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] rmdir("./219" [pid 1383] <... symlink resumed>) = 0 [pid 1381] close(10 [pid 313] <... rmdir resumed>) = 0 [pid 313] mkdir("./220", 0777 [pid 1383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1382] <... mkdirat resumed>) = 0 [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1383] <... openat resumed>) = 3 [pid 1381] close(11 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1383] write(3, "1000", 4 [pid 1382] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1383] <... write resumed>) = 4 [pid 1382] <... symlinkat resumed>) = 0 [pid 1381] close(12ci2-android-5-15/strace-static-x86_64: Process 1384 attached [pid 1383] close(3 [pid 1382] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 222 [pid 1384] set_robust_list(0x55555bb49760, 24 [pid 1383] <... close resumed>) = 0 [pid 1382] <... unlinkat resumed>) = 0 [pid 1381] close(13 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1384] <... set_robust_list resumed>) = 0 [pid 1383] symlink("/dev/binderfs", "./binderfs" [pid 1382] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1384] rt_sigprocmask(SIG_SETMASK, [] [pid 1381] close(14 [pid 309] <... restart_syscall resumed>) = 0 [pid 1384] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1382] <... unlinkat resumed>) = 0 [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1384] chdir("./220" [pid 1383] <... symlink resumed>) = 0 [pid 309] umount2("./207", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1384] <... chdir resumed>) = 0 [pid 1383] write(1, "executing program\n", 18 [pid 1382] close(3 [pid 1381] close(15 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1383] <... write resumed>) = 18 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1384] <... prctl resumed>) = 0 [pid 1383] mkdirat(AT_FDCWD, "./config", 0777 [pid 1382] close(4 [pid 309] <... openat resumed>) = 3 [pid 1384] setpgid(0, 0 [pid 1381] close(16 [pid 1383] <... mkdirat resumed>) = 0 [pid 309] fstat(3 [pid 1384] <... setpgid resumed>) = 0 executing program [pid 1383] mount(NULL, "./config", "configfs", 0, NULL [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1384] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1383] <... mount resumed>) = 0 [pid 1382] close(5 [pid 1381] close(17 [pid 309] getdents64(3 [pid 1384] <... symlink resumed>) = 0 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1384] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1382] close(6 [pid 1381] close(18 [pid 309] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1384] <... symlink resumed>) = 0 [pid 1383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 1384] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1382] close(7 [pid 1381] close(19 [pid 309] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1384] <... symlink resumed>) = 0 [pid 1383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] newfstatat(AT_FDCWD, "./207/config" [pid 1383] <... mkdirat resumed>) = 0 [pid 1382] close(8 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1381] close(20 [pid 309] umount2("./207/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1384] <... openat resumed>) = 3 [pid 1383] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1384] write(3, "1000", 4 [pid 309] openat(AT_FDCWD, "./207/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1384] <... write resumed>) = 4 [pid 1383] <... symlinkat resumed>) = 0 [pid 1382] close(9 [pid 1381] close(21 [pid 309] <... openat resumed>) = 4 [pid 1384] close(3 [pid 1383] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(4 [pid 1384] <... close resumed>) = 0 [pid 1383] <... unlinkat resumed>) = 0 [pid 1382] close(10 [pid 1381] close(22 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1384] symlink("/dev/binderfs", "./binderfs" [pid 1383] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1384] <... symlink resumed>) = 0 [pid 1382] close(11 [pid 1381] close(23 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 1384] write(1, "executing program\n", 18 [pid 1383] <... unlinkat resumed>) = 0 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1384] <... write resumed>) = 18 [pid 1383] close(3 [pid 1382] close(12 [pid 1381] close(24 [pid 309] close(4 [pid 1384] mkdirat(AT_FDCWD, "./config", 0777 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1384] <... mkdirat resumed>) = 0 [pid 1383] close(4 [pid 1382] close(13 executing program [pid 1381] close(25 [pid 309] rmdir("./207/config" [pid 1384] mount(NULL, "./config", "configfs", 0, NULL [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 309] umount2("./207/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1384] <... mount resumed>) = 0 [pid 1383] close(5 [pid 1382] close(14 [pid 1381] close(26 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./207/binderfs" [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1382] close(15 [pid 1384] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1381] close(27 [pid 309] unlink("./207/binderfs" [pid 1383] close(6 [pid 1384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./207/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1384] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1383] close(7 [pid 1382] close(16 [pid 1381] close(28 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./207/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./207/cgroup.net") = 0 [pid 309] umount2("./207/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./207/cgroup.cpu" [pid 1384] <... mkdirat resumed>) = 0 [pid 1383] close(8 [pid 1382] close(17 [pid 1381] close(29 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1384] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./207/cgroup.cpu" [pid 1384] <... symlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1383] close(9 [pid 1382] close(18 [pid 309] umount2("./207/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1384] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1381] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1384] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./207/cgroup" [pid 1383] close(10 [pid 1384] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] close(19 [pid 1381] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./207/cgroup" [pid 1384] <... unlinkat resumed>) = 0 [pid 1383] close(11 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 309] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./207") = 0 [pid 309] mkdir("./208", 0777 [pid 1381] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 1384] close(3 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] close(20 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(12 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1384] close(4 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] close(21 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(13 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1385 attached [pid 1384] close(5 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] close(22 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 210 [pid 1385] set_robust_list(0x55555bb49760, 24 [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(14 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1385] <... set_robust_list resumed>) = 0 [pid 1384] close(6 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] close(23 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1385] rt_sigprocmask(SIG_SETMASK, [] [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(15 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1385] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1384] close(7 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] close(24 [pid 1385] chdir("./208" [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(16 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1385] <... chdir resumed>) = 0 [pid 1384] close(8 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] close(25 [pid 1385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(17 [pid 1385] <... prctl resumed>) = 0 [pid 1384] close(9 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1385] setpgid(0, 0 [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(18 [pid 1385] <... setpgid resumed>) = 0 [pid 1384] close(10 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] close(26 [pid 1385] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(19 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1385] <... symlink resumed>) = 0 [pid 1384] close(11 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] close(27 [pid 1385] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(20 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1385] <... symlink resumed>) = 0 [pid 1384] close(12 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] close(28 [pid 1385] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(21 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1385] <... symlink resumed>) = 0 [pid 1384] close(13 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] close(29 [pid 1385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(22 [pid 1382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1385] <... openat resumed>) = 3 [pid 1384] close(14 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] exit_group(0 [pid 1383] close(23 [pid 1385] write(3, "1000", 4 [pid 1384] close(15 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1382] <... exit_group resumed>) = ? [pid 1385] <... write resumed>) = 4 [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(24 [pid 1382] +++ exited with 0 +++ [pid 1384] close(16) = -1 EBADF (Bad file descriptor) [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1385] close(3 [pid 1384] close(17 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1385] <... close resumed>) = 0 [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(25 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1385] symlink("/dev/binderfs", "./binderfs" [pid 1384] close(18 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1385] <... symlink resumed>) = 0 [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(26 [pid 1385] write(1, "executing program\n", 18 [pid 1384] close(19 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1385] <... write resumed>) = 18 [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(27 [pid 1385] mkdirat(AT_FDCWD, "./config", 0777 [pid 1384] close(20 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1385] <... mkdirat resumed>) = 0 [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(28 [pid 1385] mount(NULL, "./config", "configfs", 0, NULL [pid 1384] close(21 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1385] <... mount resumed>) = 0 [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] close(29 [pid 1385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1384] close(22 [pid 1383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1385] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1384] close(23 [pid 1383] exit_group(0 [pid 1385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1383] <... exit_group resumed>) = ? [pid 1385] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1384] close(24 [pid 1383] +++ exited with 0 +++ [pid 1385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1385] <... mkdirat resumed>) = 0 [pid 1384] close(25 [pid 1385] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... restart_syscall resumed>) = 0 [pid 1385] <... symlinkat resumed>) = 0 [pid 1384] close(26 [pid 1385] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./217", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1385] <... unlinkat resumed>) = 0 [pid 1384] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1385] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 312] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1385] <... unlinkat resumed>) = 0 [pid 312] getdents64(3 [pid 1384] close(28 [pid 1385] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1385] close(4) = -1 EBADF (Bad file descriptor) [pid 1384] close(29 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1385] close(5 [pid 1384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1384] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./217/config" [pid 1385] close(6 [pid 1384] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./212", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./217/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 312] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4 [pid 1384] +++ exited with 0 +++ [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1385] close(7 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1385] close(8 [pid 312] close(4 [pid 311] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... close resumed>) = 0 [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./217/config" [pid 1385] close(9 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./217/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(3 [pid 1385] close(10 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./217/binderfs" [pid 1385] close(11 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3 [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./217/binderfs" [pid 1385] close(12 [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./217/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1385] close(13 [pid 312] newfstatat(AT_FDCWD, "./217/cgroup.net" [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 1385] close(14 [pid 312] unlink("./217/cgroup.net" [pid 311] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1385] close(15 [pid 312] umount2("./217/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1385] close(16 [pid 313] umount2("./220", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./217/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./212/config" [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1385] close(17 [pid 313] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] unlink("./217/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] <... unlink resumed>) = 0 [pid 1385] close(18 [pid 313] fstat(3 [pid 312] umount2("./217/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 1385] close(19 [pid 313] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./217/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./212/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1385] close(20 [pid 313] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./217/cgroup" [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 1385] close(21 [pid 313] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 310] umount2("./209", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] fstat(4 [pid 1385] close(22 [pid 313] newfstatat(AT_FDCWD, "./220/config" [pid 312] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1385] close(23 [pid 313] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./217" [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... openat resumed>) = 3 [pid 1385] close(24 [pid 313] openat(AT_FDCWD, "./220/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] mkdir("./218", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] <... mkdir resumed>) = 0 [pid 311] getdents64(4 [pid 310] fstat(3 [pid 1385] close(25 [pid 313] fstat(4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] close(4 [pid 310] getdents64(3 [pid 1385] close(26 [pid 313] getdents64(4 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 ci2-android-5-15/strace-static-x86_64: Process 1386 attached [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] rmdir("./212/config" [pid 310] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1386] set_robust_list(0x55555bb49760, 24 [pid 1385] close(27 [pid 313] getdents64(4 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 220 [pid 311] <... rmdir resumed>) = 0 [pid 1386] <... set_robust_list resumed>) = 0 [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./212/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 1386] rt_sigprocmask(SIG_SETMASK, [] [pid 1385] close(28 [pid 313] close(4 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./212/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1386] chdir("./218" [pid 1385] close(29 [pid 313] rmdir("./220/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./209/config" [pid 1386] <... chdir resumed>) = 0 [pid 1385] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] unlink("./212/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1385] exit_group(0 [pid 313] umount2("./220/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1386] <... prctl resumed>) = 0 [pid 1385] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./212/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1386] setpgid(0, 0 [pid 313] newfstatat(AT_FDCWD, "./220/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./209/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./212/cgroup.net" [pid 310] <... openat resumed>) = 4 [pid 313] unlink("./220/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 1386] <... setpgid resumed>) = 0 [pid 1385] +++ exited with 0 +++ [pid 313] <... unlink resumed>) = 0 [pid 311] unlink("./212/cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1386] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] umount2("./220/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./212/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1386] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./220/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1386] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./212/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1386] <... symlink resumed>) = 0 [pid 313] unlink("./220/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 1386] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... unlink resumed>) = 0 [pid 311] unlink("./212/cgroup.cpu" [pid 310] <... close resumed>) = 0 [pid 1386] <... symlink resumed>) = 0 [pid 313] umount2("./220/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./209/config" [pid 1386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./212/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 1386] <... openat resumed>) = 3 [pid 313] newfstatat(AT_FDCWD, "./220/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./209/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1386] write(3, "1000", 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./212/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1386] <... write resumed>) = 4 [pid 313] unlink("./220/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./209/binderfs" [pid 1386] close(3 [pid 313] <... unlink resumed>) = 0 [pid 311] unlink("./212/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1386] <... close resumed>) = 0 [pid 313] umount2("./220/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./209/binderfs" [pid 1386] symlink("/dev/binderfs", "./binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./220/cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./209/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1386] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1386] write(1, "executing program\n", 18 [pid 313] unlink("./220/cgroup" [pid 311] <... close resumed>) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./209/cgroup.net" [pid 309] umount2("./208", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1386] <... write resumed>) = 18 [pid 313] <... unlink resumed>) = 0 [pid 311] rmdir("./212" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1386] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] getdents64(3 [pid 311] <... rmdir resumed>) = 0 [pid 310] unlink("./209/cgroup.net" [pid 309] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1386] <... mkdirat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] mkdir("./213", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1386] mount(NULL, "./config", "configfs", 0, NULL [pid 313] close(3 [pid 311] <... mkdir resumed>) = 0 [pid 310] umount2("./209/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 313] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1386] <... mount resumed>) = 0 [pid 313] rmdir("./220" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./209/cgroup.cpu" [pid 309] getdents64(3 [pid 1386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 ci2-android-5-15/strace-static-x86_64: Process 1387 attached [pid 1386] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] mkdir("./221", 0777 [pid 310] unlink("./209/cgroup.cpu" [pid 309] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1387] set_robust_list(0x55555bb49760, 24 [pid 1386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... mkdir resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 215 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1387] <... set_robust_list resumed>) = 0 [pid 1386] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./209/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1387] rt_sigprocmask(SIG_SETMASK, [] [pid 1386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./209/cgroup" [pid 309] newfstatat(AT_FDCWD, "./208/config"ci2-android-5-15/strace-static-x86_64: Process 1388 attached [pid 1387] chdir("./213" [pid 1386] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1388] set_robust_list(0x55555bb49760, 24 [pid 1387] <... chdir resumed>) = 0 [pid 1386] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 223 [pid 310] unlink("./209/cgroup" [pid 309] umount2("./208/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1388] <... set_robust_list resumed>) = 0 [pid 1387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1386] <... symlinkat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1388] rt_sigprocmask(SIG_SETMASK, [] [pid 1387] <... prctl resumed>) = 0 [pid 1386] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 309] openat(AT_FDCWD, "./208/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1388] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1387] setpgid(0, 0 [pid 1386] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 4 [pid 1388] chdir("./221" [pid 1387] <... setpgid resumed>) = 0 [pid 1386] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(3 [pid 309] fstat(4 [pid 1388] <... chdir resumed>) = 0 [pid 1387] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 310] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1386] <... unlinkat resumed>) = 0 [pid 310] rmdir("./209" [pid 309] getdents64(4 [pid 1388] <... prctl resumed>) = 0 [pid 1387] <... symlink resumed>) = 0 [pid 1386] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1388] setpgid(0, 0 [pid 1387] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./210", 0777 [pid 309] getdents64(4 [pid 1388] <... setpgid resumed>) = 0 [pid 1387] <... symlink resumed>) = 0 [pid 1386] close(4 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1388] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1387] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1388] <... symlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./208/config"ci2-android-5-15/strace-static-x86_64: Process 1389 attached [pid 1388] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1387] <... symlink resumed>) = 0 [pid 1386] close(5 [pid 309] <... rmdir resumed>) = 0 [pid 1389] set_robust_list(0x55555bb49760, 24 [pid 1388] <... symlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 212 [pid 1387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./208/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1389] <... set_robust_list resumed>) = 0 [pid 1388] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1387] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./208/binderfs" [pid 1389] rt_sigprocmask(SIG_SETMASK, [] [pid 1388] <... symlink resumed>) = 0 [pid 1389] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1387] write(3, "1000", 4 [pid 1386] close(6 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1389] chdir("./210" [pid 1388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1387] <... write resumed>) = 4 [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./208/binderfs" [pid 1389] <... chdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1388] <... openat resumed>) = 3 [pid 1386] close(7 [pid 309] umount2("./208/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1388] write(3, "1000", 4 [pid 1387] close(3 [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1389] <... prctl resumed>) = 0 [pid 1388] <... write resumed>) = 4 [pid 1387] <... close resumed>) = 0 [pid 1386] close(8 [pid 309] newfstatat(AT_FDCWD, "./208/cgroup.net" [pid 1389] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1389] <... setpgid resumed>) = 0 [pid 1388] close(3 [pid 1387] symlink("/dev/binderfs", "./binderfs" [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./208/cgroup.net" [pid 1389] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1388] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./208/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1388] symlink("/dev/binderfs", "./binderfs" [pid 1387] <... symlink resumed>) = 0 [pid 1386] close(9 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1389] <... symlink resumed>) = 0 [pid 1388] <... symlink resumed>) = 0 [pid 1387] write(1, "executing program\n", 18 [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 309] newfstatat(AT_FDCWD, "./208/cgroup.cpu" [pid 1389] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1388] write(1, "executing program\n", 18 [pid 1387] <... write resumed>) = 18 [pid 1386] close(10 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1389] <... symlink resumed>) = 0 [pid 1388] <... write resumed>) = 18 [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./208/cgroup.cpu" [pid 1388] mkdirat(AT_FDCWD, "./config", 0777 [pid 1387] mkdirat(AT_FDCWD, "./config", 0777 [pid 1386] close(11 [pid 309] <... unlink resumed>) = 0 [pid 1389] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1388] <... mkdirat resumed>) = 0 [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 309] umount2("./208/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1389] <... symlink resumed>) = 0 [pid 1387] <... mkdirat resumed>) = 0 [pid 1388] mount(NULL, "./config", "configfs", 0, NULL [pid 1386] close(12 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1387] mount(NULL, "./config", "configfs", 0, NULL [pid 309] newfstatat(AT_FDCWD, "./208/cgroup" [pid 1388] <... mount resumed>) = 0 [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1389] <... openat resumed>) = 3 [pid 1388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1389] write(3, "1000", 4 [pid 1387] <... mount resumed>) = 0 [pid 1386] close(13 [pid 309] unlink("./208/cgroup" [pid 1389] <... write resumed>) = 4 [pid 1388] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1387] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1389] close(3 [pid 309] getdents64(3 [pid 1388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1386] close(14 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1389] <... close resumed>) = 0 [pid 1388] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1387] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1389] symlink("/dev/binderfs", "./binderfs" [pid 1388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1387] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1386] close(15 [pid 309] <... close resumed>) = 0 [pid 1389] <... symlink resumed>) = 0 [pid 309] rmdir("./208") = 0 [pid 1388] <... mkdirat resumed>) = 0 [pid 309] mkdir("./209", 0777 [pid 1389] write(1, "executing program\n", 18 [pid 1388] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1387] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1389] <... write resumed>) = 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1388] <... symlinkat resumed>) = 0 [pid 1387] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1386] close(16 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 1389] mkdirat(AT_FDCWD, "./config", 0777 [pid 1388] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1387] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1389] <... mkdirat resumed>) = 0 [pid 1388] <... unlinkat resumed>) = 0 [pid 1387] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1386] close(17ci2-android-5-15/strace-static-x86_64: Process 1390 attached [pid 1389] mount(NULL, "./config", "configfs", 0, NULL [pid 1388] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 211 [pid 1387] <... symlinkat resumed>) = 0 [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1389] <... mount resumed>) = 0 [pid 1386] close(18 [pid 1388] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1390] set_robust_list(0x55555bb49760, 24 [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... set_robust_list resumed>) = 0 [pid 1389] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1388] close(3 [pid 1387] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1386] close(19 [pid 1390] rt_sigprocmask(SIG_SETMASK, [] [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1388] close(4 [pid 1387] <... unlinkat resumed>) = 0 [pid 1386] close(20 [pid 1389] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1390] chdir("./209" [pid 1389] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... chdir resumed>) = 0 [pid 1389] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1388] close(5 [pid 1387] <... unlinkat resumed>) = 0 [pid 1386] close(21 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1389] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1388] close(6 [pid 1387] close(3 [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... prctl resumed>) = 0 [pid 1389] <... mkdirat resumed>) = 0 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1386] close(22 [pid 1390] setpgid(0, 0 [pid 1389] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1388] close(7 [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... setpgid resumed>) = 0 [pid 1389] <... symlinkat resumed>) = 0 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1386] close(23 [pid 1390] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1389] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1388] close(8 [pid 1387] close(4 [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... symlink resumed>) = 0 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] <... unlinkat resumed>) = 0 [pid 1388] close(9 [pid 1386] close(24 [pid 1387] close(5 [pid 1390] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1389] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... symlink resumed>) = 0 [pid 1388] close(10 [pid 1387] close(6 [pid 1386] close(25 [pid 1389] <... unlinkat resumed>) = 0 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1389] close(3 [pid 1388] close(11 [pid 1387] close(7 [pid 1386] close(26 [pid 1390] <... symlink resumed>) = 0 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1389] close(4 [pid 1388] close(12 [pid 1387] close(8 [pid 1386] close(27 [pid 1390] <... openat resumed>) = 3 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] write(3, "1000", 4 [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] close(13 [pid 1387] close(9 [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... write resumed>) = 4 [pid 1389] close(5 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] close(3 [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] close(14 [pid 1387] close(10 [pid 1386] close(28 [pid 1390] <... close resumed>) = 0 [pid 1389] close(6 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] symlink("/dev/binderfs", "./binderfs" [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] close(15 [pid 1387] close(11 [pid 1386] close(29 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... symlink resumed>) = 0 [pid 1386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] close(16 [pid 1390] write(1, "executing program\n", 18 [pid 1389] close(7 [pid 1387] close(12 [pid 1390] <... write resumed>) = 18 [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1386] exit_group(0 executing program [pid 1390] mkdirat(AT_FDCWD, "./config", 0777 [pid 1389] close(8 [pid 1388] close(17 [pid 1387] close(13 [pid 1390] <... mkdirat resumed>) = 0 [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1386] <... exit_group resumed>) = ? [pid 1390] mount(NULL, "./config", "configfs", 0, NULL [pid 1389] close(9 [pid 1388] close(18 [pid 1387] close(14 [pid 1386] +++ exited with 0 +++ [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1390] <... mount resumed>) = 0 [pid 1387] close(15 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1388] close(19 [pid 1390] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1389] close(10 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] close(20 [pid 1387] close(16 [pid 1390] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1389] close(11 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1388] close(21 [pid 1387] close(17 [pid 1389] close(12 [pid 1390] <... mkdirat resumed>) = 0 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] close(22 [pid 1387] close(18 [pid 1390] <... symlinkat resumed>) = 0 [pid 1389] close(13 [pid 1390] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] close(23 [pid 1387] close(19 [pid 1390] <... unlinkat resumed>) = 0 [pid 1389] close(14 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] close(24 [pid 1387] close(20 [pid 1390] <... unlinkat resumed>) = 0 [pid 1389] close(15 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] close(16) = -1 EBADF (Bad file descriptor) [pid 1389] close(17) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] close(25 [pid 1390] close(3 [pid 1389] close(18 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] close(21 [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] close(26 [pid 1390] close(4 [pid 1389] close(19 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] close(20 [pid 1390] close(5 [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] close(27 [pid 1387] close(22 [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] close(21 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] close(6 [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] close(22) = -1 EBADF (Bad file descriptor) [pid 1388] close(28 [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] close(23 [pid 1390] close(7 [pid 1389] close(23 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] close(29 [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] close(8 [pid 1389] close(24) = -1 EBADF (Bad file descriptor) [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] close(25 [pid 1388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] close(24 [pid 1390] close(9 [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] close(26 [pid 1388] exit_group(0 [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] close(10 [pid 1389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1388] <... exit_group resumed>) = ? [pid 1387] close(25 [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1389] close(27) = -1 EBADF (Bad file descriptor) [pid 1389] close(28) = -1 EBADF (Bad file descriptor) [pid 1389] close(29) = -1 EBADF (Bad file descriptor) [pid 1389] exit_group(0) = ? [pid 1390] close(11 [pid 1389] +++ exited with 0 +++ [pid 1388] +++ exited with 0 +++ [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] close(26 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1390] close(12 [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] close(27 [pid 1390] close(13 [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] close(28 [pid 1390] close(14 [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] close(15 [pid 1387] close(29 [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1390] close(16) = -1 EBADF (Bad file descriptor) [pid 1387] exit_group(0 [pid 1390] close(17 [pid 1387] <... exit_group resumed>) = ? [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1387] +++ exited with 0 +++ [pid 1390] close(18 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1390] close(19) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./218", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1390] close(20 [pid 313] umount2("./221", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1390] close(21 [pid 313] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... openat resumed>) = 3 [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] fstat(3 [pid 1390] close(22 [pid 313] fstat(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3 [pid 1390] close(23 [pid 313] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1390] close(24 [pid 313] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 1390] close(25 [pid 313] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1390] close(26 [pid 313] newfstatat(AT_FDCWD, "./221/config" [pid 312] newfstatat(AT_FDCWD, "./218/config" [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1390] close(27 [pid 313] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1390] close(28 [pid 313] openat(AT_FDCWD, "./221/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] openat(AT_FDCWD, "./218/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] <... openat resumed>) = 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 313] fstat(4 [pid 312] fstat(4 [pid 1390] close(29 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] getdents64(4 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] getdents64(4 [pid 312] getdents64(4 [pid 1390] exit_group(0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./210", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1390] <... exit_group resumed>) = ? [pid 313] close(4 [pid 312] close(4 [pid 313] <... close resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] rmdir("./221/config" [pid 312] rmdir("./218/config" [pid 313] <... rmdir resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 1390] +++ exited with 0 +++ [pid 313] umount2("./221/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./218/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] newfstatat(AT_FDCWD, "./221/binderfs" [pid 312] newfstatat(AT_FDCWD, "./218/binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] unlink("./221/binderfs" [pid 312] unlink("./218/binderfs" [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 313] umount2("./221/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./218/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] newfstatat(AT_FDCWD, "./221/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./218/cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./221/cgroup.net" [pid 312] unlink("./218/cgroup.net" [pid 310] getdents64(3 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 313] umount2("./221/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./218/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./221/cgroup.cpu" [pid 312] newfstatat(AT_FDCWD, "./218/cgroup.cpu" [pid 310] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./221/cgroup.cpu" [pid 312] unlink("./218/cgroup.cpu" [pid 310] <... umount2 resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./221/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./218/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./221/cgroup" [pid 312] newfstatat(AT_FDCWD, "./218/cgroup" [pid 310] newfstatat(AT_FDCWD, "./210/config" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./221/cgroup" [pid 312] unlink("./218/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 313] getdents64(3 [pid 312] getdents64(3 [pid 310] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] close(3 [pid 312] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... close resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 313] rmdir("./221" [pid 312] rmdir("./218" [pid 310] openat(AT_FDCWD, "./210/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... rmdir resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 313] mkdir("./222", 0777 [pid 312] mkdir("./219", 0777 [pid 313] <... mkdir resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(4 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1392 attached ci2-android-5-15/strace-static-x86_64: Process 1391 attached [pid 311] umount2("./213", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1392] set_robust_list(0x55555bb49760, 24 [pid 1391] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 224 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 221 [pid 1392] <... set_robust_list resumed>) = 0 [pid 1391] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./209", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1392] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1392] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1391] rt_sigprocmask(SIG_SETMASK, [] [pid 311] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1392] chdir("./219" [pid 1391] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1392] <... chdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1391] chdir("./222" [pid 311] fstat(3 [pid 310] close(4 [pid 1392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1391] <... chdir resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 1392] <... prctl resumed>) = 0 [pid 1391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 309] fstat(3 [pid 1392] setpgid(0, 0 [pid 1391] <... prctl resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] rmdir("./210/config" [pid 1392] <... setpgid resumed>) = 0 [pid 1391] setpgid(0, 0 [pid 311] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1392] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 1391] <... setpgid resumed>) = 0 [pid 310] umount2("./210/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1392] <... symlink resumed>) = 0 [pid 1391] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1391] <... symlink resumed>) = 0 [pid 309] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1392] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1391] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 311] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./210/binderfs" [pid 1392] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1391] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1392] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1391] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./213/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1392] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./210/binderfs" [pid 1391] <... symlink resumed>) = 0 [pid 311] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./209/config" [pid 1392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 1391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./210/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1392] <... openat resumed>) = 3 [pid 311] openat(AT_FDCWD, "./213/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./209/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1391] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./209/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1392] write(3, "1000", 4 [pid 1391] write(3, "1000", 4 [pid 311] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./210/cgroup.net" [pid 1392] <... write resumed>) = 4 [pid 1391] <... write resumed>) = 4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 1392] close(3 [pid 1391] close(3 [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 1392] <... close resumed>) = 0 [pid 1391] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 executing program executing program [pid 1392] symlink("/dev/binderfs", "./binderfs" [pid 1391] symlink("/dev/binderfs", "./binderfs" [pid 311] getdents64(4 [pid 310] unlink("./210/cgroup.net" [pid 309] getdents64(4 [pid 1392] <... symlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1391] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 1392] write(1, "executing program\n", 18 [pid 1391] write(1, "executing program\n", 18 [pid 311] close(4 [pid 310] umount2("./210/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1392] <... write resumed>) = 18 [pid 1391] <... write resumed>) = 18 [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 1392] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... close resumed>) = 0 [pid 1391] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] rmdir("./213/config" [pid 310] newfstatat(AT_FDCWD, "./210/cgroup.cpu" [pid 309] rmdir("./209/config" [pid 1392] <... mkdirat resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./213/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 310] unlink("./210/cgroup.cpu" [pid 1391] <... mkdirat resumed>) = 0 [pid 309] umount2("./209/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1392] mount(NULL, "./config", "configfs", 0, NULL [pid 1391] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./210/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./213/binderfs" [pid 309] newfstatat(AT_FDCWD, "./209/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1391] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./210/cgroup" [pid 1392] <... mount resumed>) = 0 [pid 311] unlink("./213/binderfs" [pid 309] unlink("./209/binderfs" [pid 1392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1392] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] umount2("./213/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./210/cgroup" [pid 309] umount2("./209/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1392] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] newfstatat(AT_FDCWD, "./213/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1392] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./209/cgroup.net" [pid 310] getdents64(3 [pid 1392] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1392] <... symlinkat resumed>) = 0 [pid 311] unlink("./213/cgroup.net" [pid 310] close(3 [pid 309] unlink("./209/cgroup.net" [pid 1391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./210" [pid 309] <... unlink resumed>) = 0 [pid 1392] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1391] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] umount2("./213/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1392] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./209/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1391] <... symlinkat resumed>) = 0 [pid 310] mkdir("./211", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./209/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./213/cgroup.cpu" [pid 1392] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1391] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1392] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1391] <... unlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] unlink("./209/cgroup.cpu" [pid 1392] close(3 [pid 1391] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] unlink("./213/cgroup.cpu" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1391] <... unlinkat resumed>) = 0 [pid 309] umount2("./209/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1393 attached [pid 1391] close(3 [pid 311] umount2("./213/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1392] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1393] set_robust_list(0x55555bb49760, 24 [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 213 [pid 309] newfstatat(AT_FDCWD, "./209/cgroup" [pid 1393] <... set_robust_list resumed>) = 0 [pid 1392] close(5 [pid 1391] close(4 [pid 311] newfstatat(AT_FDCWD, "./213/cgroup" [pid 1393] rt_sigprocmask(SIG_SETMASK, [] [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1393] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1392] close(6 [pid 1391] close(5 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./209/cgroup" [pid 1393] chdir("./211") = 0 [pid 311] unlink("./213/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(6 [pid 311] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 1393] <... prctl resumed>) = 0 [pid 1392] close(7 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1393] setpgid(0, 0 [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(7 [pid 1393] <... setpgid resumed>) = 0 [pid 1392] close(8 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 1393] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(8 [pid 311] close(3 [pid 1393] <... symlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1393] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1392] close(9 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] rmdir("./209" [pid 1393] <... symlink resumed>) = 0 [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(9 [pid 311] rmdir("./213" [pid 1393] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1392] close(10 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1393] <... symlink resumed>) = 0 [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(10 [pid 311] <... rmdir resumed>) = 0 [pid 309] mkdir("./210", 0777 [pid 1393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1392] close(11 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] mkdir("./214", 0777 [pid 1393] <... openat resumed>) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 1393] write(3, "1000", 4 [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(11 [pid 1393] <... write resumed>) = 4 [pid 1392] close(12 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1393] close(3 [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(12 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1393] <... close resumed>) = 0 [pid 1392] close(13 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1393] symlink("/dev/binderfs", "./binderfs" [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(13 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1393] <... symlink resumed>) = 0 [pid 1392] close(14 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1393] write(1, "executing program\n", 18) = 18 [pid 1393] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1393] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1394 attached ) = 0 [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(14 [pid 1394] set_robust_list(0x55555bb49760, 24 [pid 1393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1395 attached [pid 1394] <... set_robust_list resumed>) = 0 [pid 1393] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1392] close(15 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 212 [pid 1395] set_robust_list(0x55555bb49760, 24 [pid 1394] rt_sigprocmask(SIG_SETMASK, [] [pid 1393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(15 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 216 [pid 1395] <... set_robust_list resumed>) = 0 [pid 1394] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1393] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1392] close(16 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1395] rt_sigprocmask(SIG_SETMASK, [] [pid 1394] chdir("./210" [pid 1393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(16 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1395] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1394] <... chdir resumed>) = 0 [pid 1393] <... mkdirat resumed>) = 0 [pid 1392] close(17 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1395] chdir("./214" [pid 1394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1393] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(17 [pid 1395] <... chdir resumed>) = 0 [pid 1394] <... prctl resumed>) = 0 [pid 1393] <... symlinkat resumed>) = 0 [pid 1392] close(18 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1394] setpgid(0, 0 [pid 1393] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(18 [pid 1395] <... prctl resumed>) = 0 [pid 1394] <... setpgid resumed>) = 0 [pid 1393] <... unlinkat resumed>) = 0 [pid 1392] close(19 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1395] setpgid(0, 0 [pid 1394] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1393] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(19 [pid 1395] <... setpgid resumed>) = 0 [pid 1394] <... symlink resumed>) = 0 [pid 1392] close(20 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1393] <... unlinkat resumed>) = 0 [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(20 [pid 1395] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1394] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1393] close(3 [pid 1392] close(21 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1395] <... symlink resumed>) = 0 [pid 1394] <... symlink resumed>) = 0 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(21 [pid 1395] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1394] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1393] close(4 [pid 1392] close(22 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1395] <... symlink resumed>) = 0 [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] <... symlink resumed>) = 0 [pid 1391] close(22 [pid 1395] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1392] close(23 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1395] <... symlink resumed>) = 0 [pid 1393] close(5 [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(23 [pid 1395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1394] <... openat resumed>) = 3 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1392] close(24 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(24 [pid 1395] <... openat resumed>) = 3 [pid 1394] write(3, "1000", 4 [pid 1393] close(6 [pid 1392] close(25 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1395] write(3, "1000", 4 [pid 1394] <... write resumed>) = 4 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(25 [pid 1395] <... write resumed>) = 4 [pid 1394] close(3 [pid 1393] close(7 [pid 1392] close(26 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1395] close(3 [pid 1394] <... close resumed>) = 0 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(26 [pid 1395] <... close resumed>) = 0 [pid 1394] symlink("/dev/binderfs", "./binderfs" [pid 1393] close(8 [pid 1392] close(27 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1395] symlink("/dev/binderfs", "./binderfs" [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(27 [pid 1394] <... symlink resumed>) = 0 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1392] close(28 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(28 [pid 1392] close(29 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1391] close(29 [pid 1392] exit_group(0 [pid 1391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1395] <... symlink resumed>) = 0 [pid 1394] write(1, "executing program\n", 18 [pid 1393] close(9 [pid 1392] <... exit_group resumed>) = ? executing program [pid 1391] exit_group(0 [pid 1395] write(1, "executing program\n", 18 [pid 1394] <... write resumed>) = 18 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1392] +++ exited with 0 +++ [pid 1391] <... exit_group resumed>) = ? executing program [pid 1395] <... write resumed>) = 18 [pid 1394] mkdirat(AT_FDCWD, "./config", 0777 [pid 1393] close(10 [pid 1391] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1395] mkdirat(AT_FDCWD, "./config", 0777 [pid 1394] <... mkdirat resumed>) = 0 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1395] <... mkdirat resumed>) = 0 [pid 1393] close(11 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1395] mount(NULL, "./config", "configfs", 0, NULL [pid 1394] mount(NULL, "./config", "configfs", 0, NULL [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1395] <... mount resumed>) = 0 [pid 1393] close(12 [pid 1394] <... mount resumed>) = 0 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1393] close(13) = -1 EBADF (Bad file descriptor) [pid 1394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1393] close(14 [pid 313] umount2("./222", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./219", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1395] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1394] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1393] close(15 [pid 313] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1395] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1394] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1393] close(16 [pid 313] fstat(3 [pid 312] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1395] <... mkdirat resumed>) = 0 [pid 1394] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1395] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1394] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1393] close(17 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... openat resumed>) = 3 [pid 1395] <... symlinkat resumed>) = 0 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1393] close(18 [pid 1395] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1394] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] fstat(3 [pid 1395] <... unlinkat resumed>) = 0 [pid 1394] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1393] close(19 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1395] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1394] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 1395] <... unlinkat resumed>) = 0 [pid 1394] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1393] close(20 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1394] close(3 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1395] close(3 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1393] close(21 [pid 313] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(4 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1395] close(4 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1393] close(22 [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(5 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./222/config" [pid 312] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1395] close(5 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1393] close(23 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(6 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1395] close(6 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1393] close(24 [pid 313] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./219/config" [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(7 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1395] close(7 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1393] close(25 [pid 313] openat(AT_FDCWD, "./222/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(8 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1395] close(8 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1393] close(26 [pid 313] fstat(4 [pid 312] openat(AT_FDCWD, "./219/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(9 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... openat resumed>) = 4 [pid 1395] close(9 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1393] close(27 [pid 313] getdents64(4 [pid 312] fstat(4 [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(10 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1395] close(10 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1393] close(28 [pid 313] getdents64(4 [pid 312] getdents64(4 [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(11 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1395] close(11 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1393] close(29 [pid 313] close(4 [pid 312] getdents64(4 [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(12 [pid 1393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1395] close(12 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(13 [pid 1393] exit_group(0 [pid 313] rmdir("./222/config" [pid 312] close(4 [pid 1395] close(13 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1393] <... exit_group resumed>) = ? [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(14 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 1393] +++ exited with 0 +++ [pid 1395] close(14 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./222/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./219/config" [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1395] close(15 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./222/binderfs" [pid 312] <... rmdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(16 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./219/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1395] close(16 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./222/binderfs" [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(17 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 1395] close(17 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./222/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./219/binderfs" [pid 1395] close(18 [pid 1394] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./222/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1395] close(19 [pid 1394] close(19 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./222/cgroup.net" [pid 312] unlink("./219/binderfs" [pid 1395] close(20 [pid 1394] close(20 [pid 313] <... unlink resumed>) = 0 [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1395] close(21 [pid 1394] close(21 [pid 313] umount2("./222/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./219/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1395] close(22 [pid 1394] close(22 [pid 313] newfstatat(AT_FDCWD, "./222/cgroup.cpu" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./219/cgroup.net" [pid 1395] close(23 [pid 1394] close(23 [pid 313] unlink("./222/cgroup.cpu" [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1395] close(24 [pid 1394] close(24 [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./219/cgroup.net" [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./222/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 1395] close(25 [pid 1394] close(25 [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./219/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1395] close(26 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./222/cgroup" [pid 310] <... restart_syscall resumed>) = 0 [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(26 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1395] close(27 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./222/cgroup" [pid 312] newfstatat(AT_FDCWD, "./219/cgroup.cpu" [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(27 [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1395] close(28 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] unlink("./219/cgroup.cpu" [pid 310] umount2("./211", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1395] close(29 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1394] close(29 [pid 313] close(3 [pid 312] umount2("./219/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1395] exit_group(0 [pid 1394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1395] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 3 [pid 1394] exit_group(0 [pid 313] rmdir("./222" [pid 312] newfstatat(AT_FDCWD, "./219/cgroup" [pid 1395] +++ exited with 0 +++ [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1394] <... exit_group resumed>) = ? [pid 313] <... rmdir resumed>) = 0 [pid 312] unlink("./219/cgroup" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] fstat(3 [pid 1394] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] mkdir("./223", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 313] <... mkdir resumed>) = 0 [pid 312] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] close(3 [pid 310] <... umount2 resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... close resumed>) = 0 [pid 310] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1396 attached [pid 312] rmdir("./219" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1396] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 225 [pid 1396] <... set_robust_list resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./211/config" [pid 1396] rt_sigprocmask(SIG_SETMASK, [] [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] mkdir("./220", 0777 [pid 1396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1396] chdir("./223" [pid 312] <... mkdir resumed>) = 0 [pid 310] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1396] <... chdir resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... restart_syscall resumed>) = 0 [pid 1396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1396] <... prctl resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./211/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1396] setpgid(0, 0 [pid 309] umount2("./210", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1396] <... setpgid resumed>) = 0 [pid 311] umount2("./214", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1397 attached [pid 1396] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1397] set_robust_list(0x55555bb49760, 24 [pid 1396] <... symlink resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 222 [pid 311] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 309] <... openat resumed>) = 3 [pid 1397] <... set_robust_list resumed>) = 0 [pid 1396] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] fstat(3 [pid 1397] rt_sigprocmask(SIG_SETMASK, [] [pid 1396] <... symlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] fstat(3 [pid 310] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1397] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1396] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(3 [pid 1397] chdir("./220" [pid 1396] <... symlink resumed>) = 0 [pid 311] getdents64(3 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1397] <... chdir resumed>) = 0 [pid 1396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1396] <... openat resumed>) = 3 [pid 311] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 309] <... umount2 resumed>) = 0 [pid 1397] <... prctl resumed>) = 0 [pid 1396] write(3, "1000", 4 [pid 309] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1397] setpgid(0, 0 [pid 1396] <... write resumed>) = 4 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1397] <... setpgid resumed>) = 0 [pid 1396] close(3 [pid 311] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./211/config" [pid 309] newfstatat(AT_FDCWD, "./210/config" [pid 1397] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1396] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1397] <... symlink resumed>) = 0 [pid 1396] symlink("/dev/binderfs", "./binderfs" [pid 311] newfstatat(AT_FDCWD, "./214/config" [pid 310] umount2("./211/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./210/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1397] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1396] <... symlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1397] <... symlink resumed>) = 0 [pid 1396] write(1, "executing program\n", 18 [pid 311] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./211/binderfs" executing program [pid 309] openat(AT_FDCWD, "./210/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1397] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1396] <... write resumed>) = 18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 1397] <... symlink resumed>) = 0 [pid 1396] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] openat(AT_FDCWD, "./214/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./211/binderfs" [pid 309] fstat(4 [pid 1397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1396] <... mkdirat resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1397] <... openat resumed>) = 3 [pid 1396] mount(NULL, "./config", "configfs", 0, NULL [pid 311] fstat(4 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 1397] write(3, "1000", 4 [pid 1396] <... mount resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] umount2("./211/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1397] <... write resumed>) = 4 [pid 1396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1397] close(3 [pid 1396] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./211/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1397] <... close resumed>) = 0 [pid 1396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 1397] symlink("/dev/binderfs", "./binderfs" [pid 1396] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] unlink("./211/cgroup.net" [pid 309] <... close resumed>) = 0 [pid 1397] <... symlink resumed>) = 0 [pid 1396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] close(4 [pid 309] rmdir("./210/config" [pid 310] <... unlink resumed>) = 0 [pid 1397] write(1, "executing program\n", 18 [pid 1396] <... mkdirat resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 executing program [pid 310] umount2("./211/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1397] <... write resumed>) = 18 [pid 1396] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] rmdir("./214/config" [pid 309] umount2("./210/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1397] mkdirat(AT_FDCWD, "./config", 0777 [pid 1396] <... symlinkat resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1397] <... mkdirat resumed>) = 0 [pid 1396] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] umount2("./214/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./211/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./210/binderfs" [pid 1397] mount(NULL, "./config", "configfs", 0, NULL [pid 1396] <... unlinkat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1397] <... mount resumed>) = 0 [pid 1396] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] newfstatat(AT_FDCWD, "./214/binderfs" [pid 310] unlink("./211/cgroup.cpu" [pid 309] unlink("./210/binderfs" [pid 1397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1396] <... unlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1397] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1396] close(3 [pid 311] unlink("./214/binderfs" [pid 310] umount2("./211/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./210/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1397] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1396] close(4 [pid 311] umount2("./214/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./211/cgroup" [pid 309] newfstatat(AT_FDCWD, "./210/cgroup.net" [pid 1397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1397] <... mkdirat resumed>) = 0 [pid 1396] close(5 [pid 311] newfstatat(AT_FDCWD, "./214/cgroup.net" [pid 310] unlink("./211/cgroup" [pid 309] unlink("./210/cgroup.net" [pid 1397] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1397] <... symlinkat resumed>) = 0 [pid 1396] close(6 [pid 311] unlink("./214/cgroup.net" [pid 310] getdents64(3 [pid 309] umount2("./210/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1397] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1397] <... unlinkat resumed>) = 0 [pid 1396] close(7 [pid 311] umount2("./214/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] newfstatat(AT_FDCWD, "./210/cgroup.cpu" [pid 1397] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1397] <... unlinkat resumed>) = 0 [pid 1396] close(8 [pid 311] newfstatat(AT_FDCWD, "./214/cgroup.cpu" [pid 310] rmdir("./211" [pid 309] unlink("./210/cgroup.cpu" [pid 1397] close(3 [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] close(9 [pid 311] unlink("./214/cgroup.cpu" [pid 310] mkdir("./212", 0777 [pid 309] umount2("./210/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1397] close(4 [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] close(10 [pid 311] umount2("./214/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./210/cgroup" [pid 1397] close(5 [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] close(11 [pid 311] newfstatat(AT_FDCWD, "./214/cgroup" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./210/cgroup" [pid 1397] close(6 [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3ci2-android-5-15/strace-static-x86_64: Process 1398 attached [pid 1397] close(7 [pid 1396] close(12 [pid 311] unlink("./214/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1398] set_robust_list(0x55555bb49760, 24 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 214 [pid 309] close(3 [pid 1398] <... set_robust_list resumed>) = 0 [pid 1397] close(8 [pid 1396] close(13 [pid 311] getdents64(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 1398] rt_sigprocmask(SIG_SETMASK, [] [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./210" [pid 1398] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1397] close(9 [pid 1396] close(14 [pid 311] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 1398] chdir("./212" [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] mkdir("./211", 0777 [pid 1398] <... chdir resumed>) = 0 [pid 1397] close(10 [pid 1396] close(15 [pid 311] rmdir("./214" [pid 309] <... mkdir resumed>) = 0 [pid 1398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rmdir resumed>) = 0 [pid 1398] <... prctl resumed>) = 0 [pid 1397] close(11 [pid 1396] close(16 [pid 311] mkdir("./215", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1398] setpgid(0, 0 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1398] <... setpgid resumed>) = 0 [pid 1397] close(12 [pid 1396] close(17 [pid 311] <... mkdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1399 attached [pid 1398] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 213 [pid 1399] set_robust_list(0x55555bb49760, 24 [pid 1398] <... symlink resumed>) = 0 [pid 1397] close(13 [pid 1396] close(18 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1399] <... set_robust_list resumed>) = 0 [pid 1398] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1399] rt_sigprocmask(SIG_SETMASK, [] [pid 1398] <... symlink resumed>) = 0 [pid 1397] close(14 [pid 1396] close(19 [pid 1398] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... symlink resumed>) = 0 [pid 1397] close(15ci2-android-5-15/strace-static-x86_64: Process 1400 attached [pid 1399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 217 [pid 1400] set_robust_list(0x55555bb49760, 24 [pid 1399] chdir("./211" [pid 1398] <... openat resumed>) = 3 [pid 1397] close(16 [pid 1396] close(20 [pid 1400] <... set_robust_list resumed>) = 0 [pid 1399] <... chdir resumed>) = 0 [pid 1398] write(3, "1000", 4 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1400] rt_sigprocmask(SIG_SETMASK, [] [pid 1399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1398] <... write resumed>) = 4 [pid 1397] close(17 [pid 1396] close(21 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1400] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1399] <... prctl resumed>) = 0 [pid 1398] close(3 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] chdir("./215" [pid 1399] setpgid(0, 0 [pid 1398] <... close resumed>) = 0 [pid 1397] close(18 [pid 1396] close(22 [pid 1400] <... chdir resumed>) = 0 [pid 1399] <... setpgid resumed>) = 0 [pid 1398] symlink("/dev/binderfs", "./binderfs" [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1399] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1398] <... symlink resumed>) = 0 [pid 1397] close(19 [pid 1396] close(23 [pid 1400] <... prctl resumed>) = 0 [pid 1399] <... symlink resumed>) = 0 [pid 1398] write(1, "executing program\n", 18 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1400] setpgid(0, 0 [pid 1399] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1398] <... write resumed>) = 18 [pid 1397] close(20 [pid 1396] close(24 [pid 1400] <... setpgid resumed>) = 0 [pid 1399] <... symlink resumed>) = 0 [pid 1398] mkdirat(AT_FDCWD, "./config", 0777 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1399] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1398] <... mkdirat resumed>) = 0 [pid 1397] close(21 [pid 1396] close(25 [pid 1400] <... symlink resumed>) = 0 [pid 1398] mount(NULL, "./config", "configfs", 0, NULL [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1399] <... symlink resumed>) = 0 [pid 1398] <... mount resumed>) = 0 [pid 1397] close(22 [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] <... symlink resumed>) = 0 [pid 1399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] close(26 [pid 1400] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1399] <... openat resumed>) = 3 [pid 1398] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1397] close(23 [pid 1400] <... symlink resumed>) = 0 [pid 1399] write(3, "1000", 4 [pid 1398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1398] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1397] close(24 [pid 1399] <... write resumed>) = 4 [pid 1398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] close(27 [pid 1400] <... openat resumed>) = 3 [pid 1399] close(3 [pid 1398] <... mkdirat resumed>) = 0 [pid 1397] close(25 [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] write(3, "1000", 4 [pid 1399] <... close resumed>) = 0 [pid 1398] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] close(28 [pid 1400] <... write resumed>) = 4 [pid 1399] symlink("/dev/binderfs", "./binderfs" [pid 1398] <... symlinkat resumed>) = 0 [pid 1397] close(26 [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] close(3 [pid 1399] <... symlink resumed>) = 0 [pid 1398] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] close(29 [pid 1400] <... close resumed>) = 0 [pid 1399] write(1, "executing program\n", 18 [pid 1398] <... unlinkat resumed>) = 0 [pid 1397] close(27 [pid 1396] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1400] symlink("/dev/binderfs", "./binderfs" [pid 1399] <... write resumed>) = 18 [pid 1398] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] <... symlink resumed>) = 0 [pid 1399] mkdirat(AT_FDCWD, "./config", 0777 [pid 1398] <... unlinkat resumed>) = 0 [pid 1397] close(28 [pid 1396] exit_group(0 [pid 1400] write(1, "executing program\n", 18 [pid 1399] <... mkdirat resumed>) = 0 [pid 1398] close(3 executing program [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1396] <... exit_group resumed>) = ? [pid 1400] <... write resumed>) = 18 [pid 1399] mount(NULL, "./config", "configfs", 0, NULL [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1397] close(29 [pid 1398] close(4 [pid 1397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1397] exit_group(0 [pid 1398] close(5 [pid 1397] <... exit_group resumed>) = ? [pid 1396] +++ exited with 0 +++ [pid 1400] mkdirat(AT_FDCWD, "./config", 0777 [pid 1399] <... mount resumed>) = 0 [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1397] +++ exited with 0 +++ [pid 1400] <... mkdirat resumed>) = 0 [pid 1399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1398] close(6 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1400] mount(NULL, "./config", "configfs", 0, NULL [pid 1399] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1400] <... mount resumed>) = 0 [pid 1399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1398] close(7 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1399] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1398] close(8 [pid 1400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] close(9 [pid 1399] <... mkdirat resumed>) = 0 [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] close(10) = -1 EBADF (Bad file descriptor) [pid 1398] close(11) = -1 EBADF (Bad file descriptor) [pid 1398] close(12) = -1 EBADF (Bad file descriptor) [pid 1398] close(13) = -1 EBADF (Bad file descriptor) [pid 1398] close(14 [pid 1400] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1399] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1398] close(15 [pid 1399] <... symlinkat resumed>) = 0 [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 1400] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1400] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1399] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1398] close(16 [pid 1400] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] <... unlinkat resumed>) = 0 [pid 1398] close(17) = -1 EBADF (Bad file descriptor) [pid 1399] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1400] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1398] close(18 [pid 313] umount2("./223", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1399] <... unlinkat resumed>) = 0 [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1399] close(3 [pid 1398] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1400] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1399] close(4 [pid 1398] close(20 [pid 313] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1400] close(3 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(5 [pid 1398] close(21 [pid 313] <... openat resumed>) = 3 [pid 1400] close(4 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(6 [pid 1398] close(22 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1400] close(5 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(7 [pid 1398] close(23 [pid 313] getdents64(3 [pid 1400] close(6 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(8 [pid 1398] close(24 [pid 313] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1400] close(7 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(9 [pid 1398] close(25 [pid 313] <... umount2 resumed>) = 0 [pid 1400] close(8 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(10 [pid 1398] close(26 [pid 312] <... restart_syscall resumed>) = 0 [pid 1400] close(9 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(11 [pid 1398] close(27 [pid 313] newfstatat(AT_FDCWD, "./223/config" [pid 1400] close(10 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(12 [pid 1398] close(28 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1400] close(11 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(13 [pid 1398] close(29 [pid 312] umount2("./220", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1400] close(12 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(14 [pid 1398] exit_group(0 [pid 313] openat(AT_FDCWD, "./223/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1400] close(13 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1398] <... exit_group resumed>) = ? [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(15 [pid 1398] +++ exited with 0 +++ [pid 313] <... openat resumed>) = 4 [pid 312] <... openat resumed>) = 3 [pid 1400] close(14 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] fstat(3 [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(16 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1400] close(15 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] getdents64(4 [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(17 [pid 312] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1400] close(16 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1400] close(17 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(19 [pid 312] <... umount2 resumed>) = 0 [pid 1400] close(18 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(20 [pid 313] rmdir("./223/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1400] close(19 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(21 [pid 313] <... rmdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./220/config" [pid 1400] close(20 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./223/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(22 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1400] close(21 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(23 [pid 313] newfstatat(AT_FDCWD, "./223/binderfs" [pid 1400] close(22 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] openat(AT_FDCWD, "./220/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./212", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1400] close(23 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./223/binderfs" [pid 312] <... openat resumed>) = 4 [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] close(25 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1400] close(24 [pid 313] <... unlink resumed>) = 0 [pid 312] fstat(4 [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./223/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1400] close(25 [pid 1399] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./223/cgroup.net" [pid 310] <... openat resumed>) = 3 [pid 1400] close(26 [pid 1399] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(4 [pid 310] fstat(3 [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./223/cgroup.net" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1400] close(27 [pid 1399] close(28 [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(4 [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./223/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 1400] close(28 [pid 1399] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./223/cgroup.cpu" [pid 312] <... close resumed>) = 0 [pid 310] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1400] close(29 [pid 1399] exit_group(0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rmdir("./220/config" [pid 1400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1399] <... exit_group resumed>) = ? [pid 313] unlink("./223/cgroup.cpu" [pid 310] <... umount2 resumed>) = 0 [pid 1400] exit_group(0 [pid 312] <... rmdir resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1399] +++ exited with 0 +++ [pid 310] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./223/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1400] <... exit_group resumed>) = ? [pid 312] umount2("./220/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1400] +++ exited with 0 +++ [pid 313] newfstatat(AT_FDCWD, "./223/cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] newfstatat(AT_FDCWD, "./212/config" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./220/binderfs" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] unlink("./223/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./220/binderfs" [pid 313] getdents64(3 [pid 310] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... unlink resumed>) = 0 [pid 313] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./220/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./212/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] rmdir("./223" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 313] <... rmdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./220/cgroup.net" [pid 313] mkdir("./224", 0777 [pid 310] fstat(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 312] unlink("./220/cgroup.net" [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./215", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] umount2("./220/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 ci2-android-5-15/strace-static-x86_64: Process 1401 attached [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1401] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 226 [pid 312] newfstatat(AT_FDCWD, "./220/cgroup.cpu" [pid 311] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1401] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 1401] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] unlink("./220/cgroup.cpu" [pid 311] fstat(3 [pid 1401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 1401] chdir("./224" [pid 312] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] rmdir("./212/config" [pid 1401] <... chdir resumed>) = 0 [pid 312] umount2("./220/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 1401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 1401] <... prctl resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./220/cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./212/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1401] setpgid(0, 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1401] <... setpgid resumed>) = 0 [pid 312] unlink("./220/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1401] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./212/binderfs" [pid 1401] <... symlink resumed>) = 0 [pid 312] getdents64(3 [pid 311] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1401] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1401] <... symlink resumed>) = 0 [pid 312] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./212/binderfs" [pid 1401] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./215/config" [pid 1401] <... symlink resumed>) = 0 [pid 312] rmdir("./220" [pid 310] <... unlink resumed>) = 0 [pid 1401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1401] <... openat resumed>) = 3 [pid 312] <... rmdir resumed>) = 0 [pid 310] umount2("./212/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1401] write(3, "1000", 4 [pid 312] mkdir("./221", 0777 [pid 311] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1401] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1401] close(3 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./212/cgroup.net" [pid 1401] <... close resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] openat(AT_FDCWD, "./215/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1401] symlink("/dev/binderfs", "./binderfs" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1401] <... symlink resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... openat resumed>) = 4 [pid 310] unlink("./212/cgroup.net" [pid 1401] write(1, "executing program\n", 18) = 18 [pid 1401] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 1402 attached executing program ) = 0 [pid 311] fstat(4 [pid 310] <... unlink resumed>) = 0 [pid 1402] set_robust_list(0x55555bb49760, 24 [pid 1401] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 223 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] umount2("./212/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1402] <... set_robust_list resumed>) = 0 [pid 1401] <... mount resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] getdents64(4 [pid 1402] rt_sigprocmask(SIG_SETMASK, [] [pid 1401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1401] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./212/cgroup.cpu" [pid 1402] chdir("./221" [pid 1401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1402] <... chdir resumed>) = 0 [pid 1401] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(4 [pid 1402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] unlink("./212/cgroup.cpu" [pid 1402] <... prctl resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 1402] setpgid(0, 0) = 0 [pid 1402] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1401] <... mkdirat resumed>) = 0 [pid 311] rmdir("./215/config" [pid 310] <... unlink resumed>) = 0 [pid 1402] <... symlink resumed>) = 0 [pid 1401] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1402] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./212/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 1402] <... symlink resumed>) = 0 [pid 1401] <... symlinkat resumed>) = 0 [pid 311] umount2("./215/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1402] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1401] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./212/cgroup" [pid 1402] <... symlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./215/binderfs" [pid 309] umount2("./211", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1401] <... unlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1402] <... openat resumed>) = 3 [pid 311] unlink("./215/binderfs" [pid 310] unlink("./212/cgroup" [pid 309] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1402] write(3, "1000", 4 [pid 1401] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1402] <... write resumed>) = 4 [pid 309] fstat(3 [pid 1401] <... unlinkat resumed>) = 0 [pid 311] umount2("./215/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(3 [pid 1402] close(3 [pid 1401] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 1402] <... close resumed>) = 0 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./215/cgroup.net" [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1402] symlink("/dev/binderfs", "./binderfs" [pid 1401] close(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1402] <... symlink resumed>) = 0 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./215/cgroup.net" [pid 310] rmdir("./212" [pid 1402] write(1, "executing program\n", 18 [pid 1401] close(5 [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 executing program [pid 1402] <... write resumed>) = 18 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./215/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1402] mkdirat(AT_FDCWD, "./config", 0777 [pid 1401] close(6 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./213", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1402] <... mkdirat resumed>) = 0 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./215/cgroup.cpu" [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./211/config" [pid 1402] mount(NULL, "./config", "configfs", 0, NULL [pid 1401] close(7 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1402] <... mount resumed>) = 0 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./215/cgroup.cpu" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./211/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1402] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1401] close(8 [pid 311] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1402] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./215/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./211/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] getdents64(4ci2-android-5-15/strace-static-x86_64: Process 1403 attached [pid 1402] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1401] close(9 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1403] set_robust_list(0x55555bb49760, 24 [pid 1402] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./215/cgroup" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 215 [pid 309] getdents64(4 [pid 1403] <... set_robust_list resumed>) = 0 [pid 1402] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1401] close(10 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1403] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(4 [pid 1403] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1403] chdir("./213" [pid 309] rmdir("./211/config" [pid 1403] <... chdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1402] <... mkdirat resumed>) = 0 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./215/cgroup" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./211/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1403] <... prctl resumed>) = 0 [pid 1402] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1401] close(11 [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1403] setpgid(0, 0 [pid 1402] <... symlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./211/binderfs" [pid 1403] <... setpgid resumed>) = 0 [pid 1402] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1403] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1402] <... unlinkat resumed>) = 0 [pid 1401] close(12 [pid 309] unlink("./211/binderfs" [pid 1403] <... symlink resumed>) = 0 [pid 1402] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1403] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1402] <... unlinkat resumed>) = 0 [pid 1401] close(13 [pid 311] close(3 [pid 309] umount2("./211/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1403] <... symlink resumed>) = 0 [pid 1402] close(3 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1403] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] close(14 [pid 311] rmdir("./215" [pid 309] newfstatat(AT_FDCWD, "./211/cgroup.net" [pid 1403] <... symlink resumed>) = 0 [pid 1402] close(4 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] close(15 [pid 311] mkdir("./216", 0777 [pid 309] unlink("./211/cgroup.net" [pid 1403] <... openat resumed>) = 3 [pid 1402] close(5 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1403] write(3, "1000", 4 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] close(16 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./211/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1403] <... write resumed>) = 4 [pid 1402] close(6 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1403] close(3 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] close(17 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./211/cgroup.cpu" [pid 1403] <... close resumed>) = 0 [pid 1402] close(7 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./211/cgroup.cpu") = 0 [pid 309] umount2("./211/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1404 attached [pid 1403] symlink("/dev/binderfs", "./binderfs" [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] close(18 [pid 309] newfstatat(AT_FDCWD, "./211/cgroup" [pid 1404] set_robust_list(0x55555bb49760, 24 [pid 1403] <... symlink resumed>) = 0 [pid 1402] close(8 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 218 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1404] <... set_robust_list resumed>) = 0 [pid 1403] write(1, "executing program\n", 18 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] close(19 [pid 311] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 309] unlink("./211/cgroup" [pid 1404] rt_sigprocmask(SIG_SETMASK, [] [pid 1403] <... write resumed>) = 18 [pid 1402] close(9 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1403] mkdirat(AT_FDCWD, "./config", 0777 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] close(20 [pid 309] getdents64(3 [pid 1404] chdir("./216" [pid 1403] <... mkdirat resumed>) = 0 [pid 1402] close(10 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1404] <... chdir resumed>) = 0 [pid 1403] mount(NULL, "./config", "configfs", 0, NULL [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] close(21 [pid 309] close(3 [pid 1404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... close resumed>) = 0 [pid 1404] <... prctl resumed>) = 0 [pid 309] rmdir("./211" [pid 1404] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 1404] <... setpgid resumed>) = 0 [pid 309] mkdir("./212", 0777 [pid 1404] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1403] <... mount resumed>) = 0 [pid 1402] close(11 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1404] <... symlink resumed>) = 0 [pid 1403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] close(22 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1404] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1403] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1402] close(12 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1404] <... symlink resumed>) = 0 [pid 1403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] close(23 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1405 attached [pid 1404] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1403] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1402] close(13 [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... symlink resumed>) = 0 [pid 1403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 214 [pid 1405] set_robust_list(0x55555bb49760, 24 [pid 1404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1403] <... mkdirat resumed>) = 0 [pid 1402] close(14 [pid 1401] close(24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1405] <... set_robust_list resumed>) = 0 [pid 1404] <... openat resumed>) = 3 [pid 1403] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1405] rt_sigprocmask(SIG_SETMASK, [] [pid 1404] write(3, "1000", 4 [pid 1402] close(15 [pid 1401] close(25 [pid 1405] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1404] <... write resumed>) = 4 [pid 1403] <... symlinkat resumed>) = 0 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] chdir("./212" [pid 1404] close(3 [pid 1403] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1402] close(16 [pid 1401] close(26 [pid 1405] <... chdir resumed>) = 0 [pid 1404] <... close resumed>) = 0 [pid 1403] <... unlinkat resumed>) = 0 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1404] symlink("/dev/binderfs", "./binderfs" [pid 1403] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1402] close(17 [pid 1401] close(27 [pid 1405] <... prctl resumed>) = 0 [pid 1404] <... symlink resumed>) = 0 [pid 1404] write(1, "executing program\n", 18 [pid 1405] setpgid(0, 0 [pid 1404] <... write resumed>) = 18 [pid 1403] <... unlinkat resumed>) = 0 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1405] <... setpgid resumed>) = 0 [pid 1404] mkdirat(AT_FDCWD, "./config", 0777 [pid 1403] close(3 [pid 1402] close(18 [pid 1401] close(28 [pid 1405] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1404] <... mkdirat resumed>) = 0 [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] <... symlink resumed>) = 0 [pid 1404] mount(NULL, "./config", "configfs", 0, NULL [pid 1403] close(4 [pid 1402] close(19 [pid 1401] close(29 [pid 1405] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1404] <... mount resumed>) = 0 [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1405] <... symlink resumed>) = 0 [pid 1404] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1403] close(5 [pid 1402] close(20 [pid 1401] exit_group(0 [pid 1405] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] <... exit_group resumed>) = ? [pid 1405] <... symlink resumed>) = 0 [pid 1404] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1403] close(6 [pid 1402] close(21 [pid 1404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1404] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1401] +++ exited with 0 +++ [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1404] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1403] close(7 [pid 1402] close(22 [pid 1405] <... openat resumed>) = 3 [pid 1404] <... unlinkat resumed>) = 0 [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1405] write(3, "1000", 4 [pid 1404] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1403] close(8 [pid 1402] close(23 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1405] <... write resumed>) = 4 [pid 1404] <... unlinkat resumed>) = 0 [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] close(3 [pid 1404] close(3 [pid 1403] close(9 [pid 1405] <... close resumed>) = 0 [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1402] close(24 [pid 1405] symlink("/dev/binderfs", "./binderfs" [pid 1404] close(4 [pid 1403] close(10 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] <... symlink resumed>) = 0 [pid 1404] close(5 [pid 1405] write(1, "executing program\n", 18 [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1402] close(25 [pid 1405] <... write resumed>) = 18 [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] close(11 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] mkdirat(AT_FDCWD, "./config", 0777 [pid 1404] close(6 [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1402] close(26 [pid 1405] <... mkdirat resumed>) = 0 [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] mount(NULL, "./config", "configfs", 0, NULL [pid 1404] close(7 [pid 1403] close(12 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] <... mount resumed>) = 0 [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1404] close(8 [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1402] close(27 [pid 1405] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] close(13 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1404] close(9 [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1402] close(28 [pid 1405] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] close(14 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1404] close(10 [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1402] close(29 [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] close(11 [pid 1405] <... mkdirat resumed>) = 0 [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] close(15 [pid 1402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1404] close(12 [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1402] exit_group(0 [pid 1404] close(13 [pid 1405] <... symlinkat resumed>) = 0 [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] close(16 [pid 1402] <... exit_group resumed>) = ? [pid 1405] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1404] close(14 [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] close(15) = -1 EBADF (Bad file descriptor) [pid 1404] close(16) = -1 EBADF (Bad file descriptor) [pid 1404] close(17) = -1 EBADF (Bad file descriptor) [pid 1402] +++ exited with 0 +++ [pid 1404] close(18) = -1 EBADF (Bad file descriptor) [pid 1403] close(17 [pid 1405] <... unlinkat resumed>) = 0 [pid 1404] close(19 [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1405] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] close(18 [pid 1404] close(20 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1405] <... unlinkat resumed>) = 0 [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] close(3 [pid 1404] close(21 [pid 1403] close(19 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] close(4 [pid 1404] close(22 [pid 1403] close(20 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] close(5 [pid 1404] close(23 [pid 1403] close(21 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] close(6 [pid 1404] close(24 [pid 1403] close(22 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] close(7 [pid 1404] close(25 [pid 1403] close(23 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] close(8 [pid 1404] close(26 [pid 1403] close(24 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] close(9 [pid 1404] close(27 [pid 1403] close(25 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] close(10 [pid 1404] close(28 [pid 1403] close(26 [pid 313] <... restart_syscall resumed>) = 0 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] close(11 [pid 1404] close(29 [pid 1403] close(27 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] close(12 [pid 1404] exit_group(0 [pid 1403] close(28 [pid 313] umount2("./224", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1404] <... exit_group resumed>) = ? [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1405] close(13 [pid 1404] +++ exited with 0 +++ [pid 1403] close(29 [pid 313] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] close(14 [pid 313] <... openat resumed>) = 3 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] exit_group(0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1405] close(15 [pid 1403] <... exit_group resumed>) = ? [pid 313] fstat(3 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1403] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1405] close(16 [pid 313] getdents64(3 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1405] close(17 [pid 313] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1405] close(18 [pid 313] <... umount2 resumed>) = 0 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1405] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./224/config" [pid 1405] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1405] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./224/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1405] close(22) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1405] close(23 [pid 313] fstat(4 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1405] close(24 [pid 313] getdents64(4 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1405] close(25 [pid 313] getdents64(4 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1405] close(26 [pid 312] <... restart_syscall resumed>) = 0 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1405] close(27 [pid 313] <... close resumed>) = 0 [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./224/config" [pid 1405] close(28 [pid 312] umount2("./221", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1405] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./224/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1405] exit_group(0 [pid 313] newfstatat(AT_FDCWD, "./224/binderfs" [pid 312] <... openat resumed>) = 3 [pid 1405] <... exit_group resumed>) = ? [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] fstat(3 [pid 1405] +++ exited with 0 +++ [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] unlink("./224/binderfs" [pid 312] getdents64(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] umount2("./224/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./224/cgroup.net" [pid 312] <... umount2 resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] unlink("./224/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./221/config" [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./224/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... restart_syscall resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./224/cgroup.cpu" [pid 312] openat(AT_FDCWD, "./221/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... openat resumed>) = 4 [pid 313] unlink("./224/cgroup.cpu" [pid 312] fstat(4 [pid 313] <... unlink resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] umount2("./224/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 311] umount2("./216", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] newfstatat(AT_FDCWD, "./224/cgroup" [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] unlink("./224/cgroup" [pid 312] close(4 [pid 311] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... unlink resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 313] getdents64(3 [pid 312] rmdir("./221/config" [pid 311] <... openat resumed>) = 3 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] fstat(3 [pid 313] close(3 [pid 312] umount2("./221/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] rmdir("./224" [pid 312] newfstatat(AT_FDCWD, "./221/binderfs" [pid 311] getdents64(3 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] mkdir("./225", 0777 [pid 312] unlink("./221/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... mkdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] umount2("./221/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] newfstatat(AT_FDCWD, "./221/cgroup.net" [pid 311] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./221/cgroup.net") = 0 [pid 312] umount2("./221/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1406 attached [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 227 [pid 312] newfstatat(AT_FDCWD, "./221/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1406] set_robust_list(0x55555bb49760, 24 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1406] <... set_robust_list resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] unlink("./221/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./216/config" [pid 1406] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... unlink resumed>) = 0 [pid 1406] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./221/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1406] chdir("./225" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1406] <... chdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./221/cgroup" [pid 311] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1406] <... prctl resumed>) = 0 [pid 312] unlink("./221/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1406] setpgid(0, 0 [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./216/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... restart_syscall resumed>) = 0 [pid 1406] <... setpgid resumed>) = 0 [pid 312] getdents64(3 [pid 1406] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1406] <... symlink resumed>) = 0 [pid 312] close(3 [pid 311] fstat(4 [pid 309] umount2("./212", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1406] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] <... close resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1406] <... symlink resumed>) = 0 [pid 312] rmdir("./221" [pid 311] getdents64(4 [pid 310] umount2("./213", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1406] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] <... rmdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 1406] <... symlink resumed>) = 0 [pid 312] mkdir("./222", 0777 [pid 311] getdents64(4 [pid 310] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 1406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... mkdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1406] <... openat resumed>) = 3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] close(4 [pid 310] fstat(3 [pid 309] getdents64(3 [pid 1406] write(3, "1000", 4 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1406] <... write resumed>) = 4 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] rmdir("./216/config" [pid 310] getdents64(3 [pid 309] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1407 attached [pid 1406] close(3 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... umount2 resumed>) = 0 [pid 1407] set_robust_list(0x55555bb49760, 24 [pid 1406] <... close resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 224 [pid 311] umount2("./216/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1407] <... set_robust_list resumed>) = 0 [pid 1406] symlink("/dev/binderfs", "./binderfs" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1407] rt_sigprocmask(SIG_SETMASK, [] [pid 1406] <... symlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./212/config" [pid 311] newfstatat(AT_FDCWD, "./216/binderfs" [pid 1407] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1406] write(1, "executing program\n", 18 [pid 310] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1407] chdir("./222" [pid 1406] <... write resumed>) = 18 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./212/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1407] <... chdir resumed>) = 0 [pid 1406] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] unlink("./216/binderfs" [pid 310] newfstatat(AT_FDCWD, "./213/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1406] <... mkdirat resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./212/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1407] <... prctl resumed>) = 0 [pid 1406] mount(NULL, "./config", "configfs", 0, NULL [pid 311] umount2("./216/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 1407] setpgid(0, 0 [pid 1406] <... mount resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 1407] <... setpgid resumed>) = 0 [pid 1406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] newfstatat(AT_FDCWD, "./216/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1407] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./213/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 1407] <... symlink resumed>) = 0 [pid 1406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] unlink("./216/cgroup.net" [pid 310] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1407] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 309] getdents64(4 [pid 1407] <... symlink resumed>) = 0 [pid 1406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] umount2("./216/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1407] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 309] close(4 [pid 1406] <... mkdirat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 1407] <... symlink resumed>) = 0 [pid 1406] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] newfstatat(AT_FDCWD, "./216/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./212/config" [pid 1407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1406] <... symlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 309] umount2("./212/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1407] <... openat resumed>) = 3 [pid 1406] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] unlink("./216/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1407] write(3, "1000", 4 [pid 1406] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./212/binderfs" [pid 1407] <... write resumed>) = 4 [pid 1406] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... unlink resumed>) = 0 [pid 310] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1407] close(3 [pid 309] unlink("./212/binderfs" [pid 1407] <... close resumed>) = 0 [pid 1406] <... unlinkat resumed>) = 0 [pid 311] umount2("./216/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1407] symlink("/dev/binderfs", "./binderfs" [pid 1406] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./213/config" [pid 309] umount2("./212/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1407] <... symlink resumed>) = 0 [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./216/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1407] write(1, "executing program\n", 18 [pid 1406] close(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./213/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./212/cgroup.net" [pid 1407] <... write resumed>) = 18 [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./216/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1407] mkdirat(AT_FDCWD, "./config", 0777 [pid 1406] close(5 executing program [pid 309] unlink("./212/cgroup.net" [pid 1407] <... mkdirat resumed>) = 0 [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./213/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1407] mount(NULL, "./config", "configfs", 0, NULL [pid 1406] close(6 [pid 311] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./212/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./212/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./212/cgroup.cpu") = 0 [pid 1407] <... mount resumed>) = 0 [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] unlink("./213/binderfs" [pid 309] umount2("./212/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1407] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1406] close(7 [pid 311] close(3 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1407] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] umount2("./213/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./212/cgroup" [pid 1407] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1406] close(8 [pid 311] rmdir("./216" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1407] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./213/cgroup.net" [pid 309] unlink("./212/cgroup" [pid 1407] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1406] close(9 [pid 311] mkdir("./217", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 1407] <... mkdirat resumed>) = 0 [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1407] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1406] close(10 [pid 311] <... mkdir resumed>) = 0 [pid 310] unlink("./213/cgroup.net" [pid 309] close(3 [pid 1407] <... symlinkat resumed>) = 0 [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1407] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1406] close(11 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./212" [pid 1407] <... unlinkat resumed>) = 0 [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./213/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1407] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1406] close(12 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./213", 0777 [pid 1407] <... unlinkat resumed>) = 0 [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1408 attached ci2-android-5-15/strace-static-x86_64: Process 1409 attached [pid 1407] close(3 [pid 1406] close(13 [pid 310] newfstatat(AT_FDCWD, "./213/cgroup.cpu" [pid 1409] set_robust_list(0x55555bb49760, 24 [pid 1408] set_robust_list(0x55555bb49760, 24 [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 219 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 215 [pid 1409] <... set_robust_list resumed>) = 0 [pid 1408] <... set_robust_list resumed>) = 0 [pid 1407] close(4 [pid 1406] close(14 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] unlink("./213/cgroup.cpu" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1409] rt_sigprocmask(SIG_SETMASK, [] [pid 1408] rt_sigprocmask(SIG_SETMASK, [] [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1408] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1407] close(5 [pid 1406] close(15 [pid 310] umount2("./213/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1409] chdir("./213" [pid 1408] chdir("./217" [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1409] <... chdir resumed>) = 0 [pid 1408] <... chdir resumed>) = 0 [pid 1407] close(6 [pid 1406] close(16 [pid 310] newfstatat(AT_FDCWD, "./213/cgroup" [pid 1409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] <... prctl resumed>) = 0 [pid 1408] <... prctl resumed>) = 0 [pid 1407] close(7 [pid 1406] close(17 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1409] setpgid(0, 0 [pid 1408] setpgid(0, 0 [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./213/cgroup" [pid 1409] <... setpgid resumed>) = 0 [pid 1408] <... setpgid resumed>) = 0 [pid 1407] close(8 [pid 1406] close(18 [pid 1409] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1408] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1409] <... symlink resumed>) = 0 [pid 1408] <... symlink resumed>) = 0 [pid 1407] close(9 [pid 1406] close(19 [pid 310] getdents64(3 [pid 1409] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1408] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1409] <... symlink resumed>) = 0 [pid 1408] <... symlink resumed>) = 0 [pid 1407] close(10 [pid 1406] close(20 [pid 310] close(3 [pid 1409] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1408] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] <... symlink resumed>) = 0 [pid 1408] <... symlink resumed>) = 0 [pid 1407] close(11 [pid 1406] close(21 [pid 310] <... close resumed>) = 0 [pid 1409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./213" [pid 1409] <... openat resumed>) = 3 [pid 1408] <... openat resumed>) = 3 [pid 1407] close(12 [pid 1406] close(22 [pid 1409] write(3, "1000", 4 [pid 1408] write(3, "1000", 4 [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1409] <... write resumed>) = 4 [pid 1408] <... write resumed>) = 4 [pid 1407] close(13 [pid 1406] close(23 [pid 310] mkdir("./214", 0777 [pid 1409] close(3 [pid 1408] close(3 [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] <... close resumed>) = 0 [pid 1408] <... close resumed>) = 0 [pid 1407] close(14 [pid 1406] close(24 [pid 310] <... mkdir resumed>) = 0 [pid 1409] symlink("/dev/binderfs", "./binderfs" [pid 1408] symlink("/dev/binderfs", "./binderfs" [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1409] <... symlink resumed>) = 0 [pid 1408] <... symlink resumed>) = 0 [pid 1407] close(15 [pid 1406] close(25 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1409] write(1, "executing program\n", 18 executing program [pid 1408] write(1, "executing program\n", 18 [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1409] <... write resumed>) = 18 [pid 1408] <... write resumed>) = 18 [pid 1407] close(16 [pid 1406] close(26 [pid 1408] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1408] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1410 attached [pid 1409] mkdirat(AT_FDCWD, "./config", 0777 [pid 1408] <... mount resumed>) = 0 [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] set_robust_list(0x55555bb49760, 24 [pid 1409] <... mkdirat resumed>) = 0 [pid 1408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1407] close(17 [pid 1406] close(27 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 216 [pid 1410] <... set_robust_list resumed>) = 0 [pid 1409] mount(NULL, "./config", "configfs", 0, NULL [pid 1408] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] rt_sigprocmask(SIG_SETMASK, [] [pid 1409] <... mount resumed>) = 0 [pid 1408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1407] close(18 [pid 1406] close(28 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1408] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1410] chdir("./214" [pid 1409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1407] close(19 [pid 1406] close(29 [pid 1410] <... chdir resumed>) = 0 [pid 1409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1408] <... mkdirat resumed>) = 0 [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1408] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1407] close(20 [pid 1410] <... prctl resumed>) = 0 [pid 1409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1408] <... symlinkat resumed>) = 0 [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] exit_group(0 [pid 1410] setpgid(0, 0 [pid 1409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1408] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1407] close(21 [pid 1406] <... exit_group resumed>) = ? [pid 1410] <... setpgid resumed>) = 0 [pid 1409] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1408] <... unlinkat resumed>) = 0 [pid 1410] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1408] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] <... symlink resumed>) = 0 [pid 1408] <... unlinkat resumed>) = 0 [pid 1410] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1408] close(3 [pid 1410] <... symlink resumed>) = 0 [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1406] +++ exited with 0 +++ [pid 1409] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1410] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1408] close(4 [pid 1407] close(22 [pid 1410] <... symlink resumed>) = 0 [pid 1409] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1409] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1408] close(5 [pid 1407] close(23 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1410] <... openat resumed>) = 3 [pid 1409] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] write(3, "1000", 4 [pid 1409] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1408] close(6 [pid 1407] close(24 [pid 1410] <... write resumed>) = 4 [pid 1409] close(3 [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] close(3 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] close(7 [pid 1407] close(25 [pid 1410] <... close resumed>) = 0 [pid 1409] close(4 [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] symlink("/dev/binderfs", "./binderfs" [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] close(8 [pid 1407] close(26 [pid 1410] <... symlink resumed>) = 0 [pid 1409] close(5 [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] write(1, "executing program\n", 18 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] close(9 [pid 1407] close(27 [pid 1410] <... write resumed>) = 18 [pid 1409] close(6 [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] mkdirat(AT_FDCWD, "./config", 0777 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] close(10 [pid 1407] close(28 [pid 1410] <... mkdirat resumed>) = 0 [pid 1409] close(7 [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] mount(NULL, "./config", "configfs", 0, NULL [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] close(11 [pid 1407] close(29 [pid 1410] <... mount resumed>) = 0 [pid 1409] close(8 [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] close(12 [pid 1410] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1409] close(9 [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1407] exit_group(0 [pid 1410] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] close(13 [pid 1407] <... exit_group resumed>) = ? [pid 1410] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1409] close(10 [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] close(14) = -1 EBADF (Bad file descriptor) [pid 1408] close(15) = -1 EBADF (Bad file descriptor) [pid 1408] close(16) = -1 EBADF (Bad file descriptor) [pid 1408] close(17) = -1 EBADF (Bad file descriptor) [pid 1408] close(18) = -1 EBADF (Bad file descriptor) [pid 1408] close(19) = -1 EBADF (Bad file descriptor) [pid 1407] +++ exited with 0 +++ [pid 1410] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] close(20 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1408] close(21 [pid 1410] <... mkdirat resumed>) = 0 [pid 1409] close(11 [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] close(22) = -1 EBADF (Bad file descriptor) [pid 1408] close(23 [pid 1410] <... symlinkat resumed>) = 0 [pid 1409] close(12 [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] close(24) = -1 EBADF (Bad file descriptor) [pid 1410] <... unlinkat resumed>) = 0 [pid 1409] close(13 [pid 1408] close(25 [pid 1410] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] close(3 [pid 1409] close(14 [pid 1408] close(26 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] close(4 [pid 1409] close(15 [pid 1408] close(27 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] close(5 [pid 1409] close(16 [pid 1408] close(28 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] close(6 [pid 1409] close(17 [pid 1408] close(29 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] close(7 [pid 1409] close(18 [pid 1408] exit_group(0 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1408] <... exit_group resumed>) = ? [pid 1410] close(8 [pid 1409] close(19 [pid 1408] +++ exited with 0 +++ [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] close(9 [pid 1409] close(20 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1410] close(10 [pid 1409] close(21 [pid 313] <... restart_syscall resumed>) = 0 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1410] close(11 [pid 1409] close(22) = -1 EBADF (Bad file descriptor) [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] close(23 [pid 313] umount2("./225", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1410] close(12 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1409] close(24 [pid 1410] close(13 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] close(25 [pid 1410] close(14 [pid 313] <... openat resumed>) = 3 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 1410] close(15 [pid 1409] close(26 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1410] close(16 [pid 1409] close(27 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1410] close(17 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1410] close(18 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] close(29 [pid 1410] close(19 [pid 1409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1410] close(20 [pid 1409] exit_group(0 [pid 313] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1409] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1410] close(21 [pid 1409] +++ exited with 0 +++ [pid 313] newfstatat(AT_FDCWD, "./225/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1410] close(22 [pid 313] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1410] close(23 [pid 313] openat(AT_FDCWD, "./225/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1410] close(24 [pid 313] <... openat resumed>) = 4 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 1410] close(25 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1410] close(26 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1410] close(27 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1410] close(28 [pid 313] <... close resumed>) = 0 [pid 1410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./225/config" [pid 1410] close(29) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1410] exit_group(0 [pid 313] umount2("./225/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1410] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1410] +++ exited with 0 +++ [pid 313] newfstatat(AT_FDCWD, "./225/binderfs" [pid 311] <... restart_syscall resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... restart_syscall resumed>) = 0 [pid 313] unlink("./225/binderfs" [pid 312] <... restart_syscall resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... unlink resumed>) = 0 [pid 313] umount2("./225/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./217", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./213", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./222", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./225/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 313] unlink("./225/cgroup.net" [pid 312] <... openat resumed>) = 3 [pid 311] fstat(3 [pid 309] fstat(3 [pid 313] <... unlink resumed>) = 0 [pid 312] fstat(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] umount2("./225/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] getdents64(3 [pid 309] getdents64(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] newfstatat(AT_FDCWD, "./225/cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 313] unlink("./225/cgroup.cpu" [pid 312] <... umount2 resumed>) = 0 [pid 311] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./225/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./217/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./222/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./213/config" [pid 313] newfstatat(AT_FDCWD, "./225/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./213/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] unlink("./225/cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./217/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 312] openat(AT_FDCWD, "./222/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./213/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] getdents64(3 [pid 312] <... openat resumed>) = 4 [pid 311] fstat(4 [pid 309] <... openat resumed>) = 4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] fstat(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] fstat(4 [pid 313] close(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] <... close resumed>) = 0 [pid 312] getdents64(4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 313] rmdir("./225" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... rmdir resumed>) = 0 [pid 312] getdents64(4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 313] mkdir("./226", 0777 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] close(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 312] close(4 [pid 311] <... close resumed>) = 0 [pid 309] close(4 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... close resumed>) = 0 [pid 311] rmdir("./217/config" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] rmdir("./222/config" [pid 311] <... rmdir resumed>) = 0 [pid 309] rmdir("./213/config" [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... rmdir resumed>) = 0 [pid 311] umount2("./217/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 312] umount2("./222/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./213/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./222/binderfs" [pid 309] newfstatat(AT_FDCWD, "./213/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1411 attached [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 228 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./214", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1411] set_robust_list(0x55555bb49760, 24 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] unlink("./222/binderfs" [pid 311] newfstatat(AT_FDCWD, "./217/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./213/binderfs" [pid 1411] <... set_robust_list resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 312] umount2("./222/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./213/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./217/binderfs" [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1411] rt_sigprocmask(SIG_SETMASK, [] [pid 312] newfstatat(AT_FDCWD, "./222/cgroup.net" [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./213/cgroup.net" [pid 1411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./217/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1411] chdir("./226" [pid 312] unlink("./222/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] unlink("./213/cgroup.net" [pid 1411] <... chdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./217/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... unlink resumed>) = 0 [pid 1411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] umount2("./222/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./213/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1411] <... prctl resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./217/cgroup.net" [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1411] setpgid(0, 0 [pid 312] newfstatat(AT_FDCWD, "./222/cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./213/cgroup.cpu" [pid 1411] <... setpgid resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./217/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1411] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] unlink("./222/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./214/config" [pid 309] unlink("./213/cgroup.cpu" [pid 1411] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./217/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1411] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] umount2("./222/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./213/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1411] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./217/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1411] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./222/cgroup" [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./214/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./213/cgroup" [pid 1411] <... symlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./217/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] unlink("./222/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 309] unlink("./213/cgroup" [pid 1411] <... openat resumed>) = 3 [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./217/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1411] write(3, "1000", 4 [pid 312] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 1411] <... write resumed>) = 4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] unlink("./217/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1411] close(3 [pid 312] close(3 [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] close(3 [pid 1411] <... close resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 1411] symlink("/dev/binderfs", "./binderfs" [pid 312] rmdir("./222" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 309] rmdir("./213" [pid 1411] <... symlink resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] close(3 [pid 310] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1411] write(1, "executing program\n", 18 executing program [pid 312] mkdir("./223", 0777 [pid 311] <... close resumed>) = 0 [pid 310] rmdir("./214/config" [pid 1411] <... write resumed>) = 18 [pid 312] <... mkdir resumed>) = 0 [pid 311] rmdir("./217" [pid 309] mkdir("./214", 0777 [pid 1411] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rmdir resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1411] <... mkdirat resumed>) = 0 [pid 311] mkdir("./218", 0777 [pid 310] umount2("./214/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 1412 attached [pid 1411] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 225 [pid 311] <... mkdir resumed>) = 0 [pid 1412] set_robust_list(0x55555bb49760, 24 [pid 1411] <... mount resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1412] <... set_robust_list resumed>) = 0 [pid 1411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./214/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1412] rt_sigprocmask(SIG_SETMASK, [] [pid 1411] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1413 attached [pid 1413] set_robust_list(0x55555bb49760, 24) = 0 [pid 1413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1414 attached [pid 1413] chdir("./214" [pid 1414] set_robust_list(0x55555bb49760, 24 [pid 1413] <... chdir resumed>) = 0 [pid 1414] <... set_robust_list resumed>) = 0 [pid 1413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1414] rt_sigprocmask(SIG_SETMASK, [] [pid 1413] <... prctl resumed>) = 0 [pid 1412] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 220 [pid 310] unlink("./214/binderfs" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 216 [pid 1414] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1413] setpgid(0, 0 [pid 1412] chdir("./223" [pid 1411] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1414] chdir("./218" [pid 1413] <... setpgid resumed>) = 0 [pid 1412] <... chdir resumed>) = 0 [pid 1411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1414] <... chdir resumed>) = 0 [pid 1413] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1413] <... symlink resumed>) = 0 [pid 1412] <... prctl resumed>) = 0 [pid 1411] <... mkdirat resumed>) = 0 [pid 310] umount2("./214/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1414] <... prctl resumed>) = 0 [pid 1413] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1412] setpgid(0, 0 [pid 1411] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1414] setpgid(0, 0 [pid 1413] <... symlink resumed>) = 0 [pid 1412] <... setpgid resumed>) = 0 [pid 1414] <... setpgid resumed>) = 0 [pid 1413] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1411] <... symlinkat resumed>) = 0 [pid 1414] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1413] <... symlink resumed>) = 0 [pid 1412] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1411] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./214/cgroup.net" [pid 1414] <... symlink resumed>) = 0 [pid 1413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1414] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1413] <... openat resumed>) = 3 [pid 1412] <... symlink resumed>) = 0 [pid 1411] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1414] <... symlink resumed>) = 0 [pid 1413] write(3, "1000", 4 [pid 1412] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1411] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] unlink("./214/cgroup.net" [pid 1414] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1413] <... write resumed>) = 4 [pid 1412] <... symlink resumed>) = 0 [pid 1414] <... symlink resumed>) = 0 [pid 1413] close(3 [pid 1411] <... unlinkat resumed>) = 0 [pid 1414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1413] <... close resumed>) = 0 [pid 1412] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1411] close(3 [pid 310] <... unlink resumed>) = 0 [pid 1414] <... openat resumed>) = 3 [pid 1413] symlink("/dev/binderfs", "./binderfs" [pid 1414] write(3, "1000", 4 [pid 1413] <... symlink resumed>) = 0 [pid 1412] <... symlink resumed>) = 0 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./214/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1414] <... write resumed>) = 4 [pid 1413] write(1, "executing program\n", 18 [pid 1412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1411] close(4 [pid 1414] close(3 [pid 1413] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1414] <... close resumed>) = 0 [pid 1413] mkdirat(AT_FDCWD, "./config", 0777 [pid 1412] <... openat resumed>) = 3 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./214/cgroup.cpu" [pid 1414] symlink("/dev/binderfs", "./binderfs" [pid 1413] <... mkdirat resumed>) = 0 [pid 1412] write(3, "1000", 4 [pid 1411] close(5 [pid 1414] <... symlink resumed>) = 0 [pid 1413] mount(NULL, "./config", "configfs", 0, NULL [pid 1412] <... write resumed>) = 4 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1414] write(1, "executing program\n", 18 [pid 1413] <... mount resumed>) = 0 [pid 1412] close(3 [pid 1411] close(6 [pid 310] unlink("./214/cgroup.cpu" [pid 1414] <... write resumed>) = 18 [pid 1413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1412] <... close resumed>) = 0 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1414] mkdirat(AT_FDCWD, "./config", 0777 [pid 1413] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1412] symlink("/dev/binderfs", "./binderfs" [pid 1411] close(7 [pid 310] <... unlink resumed>) = 0 [pid 1414] <... mkdirat resumed>) = 0 executing program executing program [pid 1413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1414] mount(NULL, "./config", "configfs", 0, NULL [pid 1413] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1412] <... symlink resumed>) = 0 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./214/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1414] <... mount resumed>) = 0 [pid 1413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1412] write(1, "executing program\n", 18 executing program [pid 1411] close(8 [pid 1414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1413] <... mkdirat resumed>) = 0 [pid 1412] <... write resumed>) = 18 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1413] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1412] mkdirat(AT_FDCWD, "./config", 0777 [pid 1414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1413] <... symlinkat resumed>) = 0 [pid 1411] close(9 [pid 310] newfstatat(AT_FDCWD, "./214/cgroup" [pid 1414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1413] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1412] <... mkdirat resumed>) = 0 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1413] <... unlinkat resumed>) = 0 [pid 1412] mount(NULL, "./config", "configfs", 0, NULL [pid 1411] close(10 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1413] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1414] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1413] <... unlinkat resumed>) = 0 [pid 1412] <... mount resumed>) = 0 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./214/cgroup" [pid 1414] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1413] close(3 [pid 1412] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1411] close(11 [pid 1414] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1414] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1413] close(4 [pid 1412] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1414] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1411] close(12 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1414] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1413] close(5 [pid 1412] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 1414] close(3 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1411] close(13 [pid 310] <... close resumed>) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(6 [pid 1414] close(4 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... mkdirat resumed>) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(7 [pid 1412] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./214" [pid 1414] close(5 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(8 [pid 1412] <... symlinkat resumed>) = 0 [pid 1411] close(14 [pid 310] <... rmdir resumed>) = 0 [pid 1414] close(6 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(9 [pid 310] mkdir("./215", 0777 [pid 1414] close(7 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... unlinkat resumed>) = 0 [pid 1411] close(15 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(10 [pid 1412] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 1414] close(8 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(11 [pid 1412] <... unlinkat resumed>) = 0 [pid 1411] close(16 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1414] close(9 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] close(3 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(12 [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] close(17 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1414] close(10 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] close(4 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(13 [pid 1414] close(11 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(14 [pid 1414] close(12 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1415 attached [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(15 [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] close(18 [pid 1415] set_robust_list(0x55555bb49760, 24 [pid 1414] close(13 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] close(5 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 217 [pid 1415] <... set_robust_list resumed>) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(16 [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] close(19 [pid 1415] rt_sigprocmask(SIG_SETMASK, [] [pid 1414] close(14 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] close(6 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(17 [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] close(20 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1415] chdir("./215" [pid 1414] close(15 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] close(7 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] <... chdir resumed>) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(18 [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] close(21 [pid 1415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1414] close(16 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] <... prctl resumed>) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(19 [pid 1412] close(8 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] setpgid(0, 0 [pid 1414] close(17 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] <... setpgid resumed>) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(20 [pid 1412] close(9 [pid 1411] close(22 [pid 1415] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1414] close(18 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] <... symlink resumed>) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(21 [pid 1412] close(10 [pid 1411] close(23 [pid 1415] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1414] close(19 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] <... symlink resumed>) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(22 [pid 1412] close(11 [pid 1411] close(24 [pid 1415] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1414] close(20 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] <... symlink resumed>) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(23 [pid 1412] close(12 [pid 1411] close(25 [pid 1415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1414] close(21 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] <... openat resumed>) = 3 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(24 [pid 1412] close(13 [pid 1411] close(26 [pid 1415] write(3, "1000", 4 [pid 1414] close(22 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] <... write resumed>) = 4 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(25 [pid 1412] close(14 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] close(3 [pid 1414] close(23 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] close(27 [pid 1415] <... close resumed>) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(26 [pid 1412] close(15 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] symlink("/dev/binderfs", "./binderfs" [pid 1414] close(24 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] close(28 [pid 1415] <... symlink resumed>) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(27 [pid 1415] write(1, "executing program\n", 18 executing program [pid 1414] close(25 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] close(16 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] <... write resumed>) = 18 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(28 [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] close(29 [pid 1415] mkdirat(AT_FDCWD, "./config", 0777 [pid 1414] close(26 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] close(17 [pid 1411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] <... mkdirat resumed>) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] close(29 [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] mount(NULL, "./config", "configfs", 0, NULL [pid 1414] close(27 [pid 1413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] close(18 [pid 1411] exit_group(0 [pid 1415] <... mount resumed>) = 0 [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] exit_group(0 [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] <... exit_group resumed>) = ? [pid 1415] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1414] close(28 [pid 1413] <... exit_group resumed>) = ? [pid 1412] close(19 [pid 1415] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1413] +++ exited with 0 +++ [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1411] +++ exited with 0 +++ [pid 1415] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1414] close(29 [pid 1412] close(20 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1415] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1414] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1415] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1414] exit_group(0 [pid 1412] close(21 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... restart_syscall resumed>) = 0 [pid 1415] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1414] <... exit_group resumed>) = ? [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] <... symlinkat resumed>) = 0 [pid 1415] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1415] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1414] +++ exited with 0 +++ [pid 1412] close(22 [pid 1415] close(3) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 309] umount2("./214", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1415] close(4 [pid 1412] close(23 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1415] close(5 [pid 1412] close(24 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./226", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1415] close(6 [pid 1412] close(25 [pid 309] <... openat resumed>) = 3 [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1415] close(7 [pid 1412] close(26 [pid 313] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1415] close(8 [pid 1412] close(27 [pid 313] fstat(3 [pid 309] getdents64(3 [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1415] close(9 [pid 1412] close(28 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1415] close(10 [pid 1412] close(29 [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1415] close(11 [pid 1412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1415] close(12 [pid 1412] exit_group(0 [pid 309] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1412] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = 0 [pid 1415] close(13 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1415] close(14) = -1 EBADF (Bad file descriptor) [pid 1415] close(15) = -1 EBADF (Bad file descriptor) [pid 1415] close(16) = -1 EBADF (Bad file descriptor) [pid 1415] close(17) = -1 EBADF (Bad file descriptor) [pid 1415] close(18 [pid 1412] +++ exited with 0 +++ [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1415] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./214/config" [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./226/config" [pid 1415] close(20 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1415] close(21 [pid 309] umount2("./214/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1415] close(22 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./214/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1415] close(23 [pid 313] openat(AT_FDCWD, "./226/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1415] close(24 [pid 313] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1415] close(25 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1415] close(26 [pid 313] getdents64(4 [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1415] close(27 [pid 313] getdents64(4 [pid 309] getdents64(4 [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1415] close(28 [pid 313] close(4 [pid 309] close(4 [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1415] close(29 [pid 309] <... close resumed>) = 0 [pid 313] rmdir("./226/config" [pid 1415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./214/config" [pid 1415] exit_group(0 [pid 313] <... rmdir resumed>) = 0 [pid 1415] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 1415] +++ exited with 0 +++ [pid 313] umount2("./226/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./214/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./226/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./214/binderfs" [pid 313] unlink("./226/binderfs") = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./226/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./223", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./214/binderfs" [pid 313] newfstatat(AT_FDCWD, "./226/cgroup.net" [pid 312] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 313] unlink("./226/cgroup.net" [pid 312] fstat(3 [pid 309] umount2("./214/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] umount2("./226/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] newfstatat(AT_FDCWD, "./214/cgroup.net" [pid 313] newfstatat(AT_FDCWD, "./226/cgroup.cpu" [pid 312] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 313] unlink("./226/cgroup.cpu" [pid 312] <... umount2 resumed>) = 0 [pid 309] unlink("./214/cgroup.net" [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 313] umount2("./226/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./223/config" [pid 311] umount2("./218", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./214/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./226/cgroup" [pid 312] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./214/cgroup.cpu" [pid 313] unlink("./226/cgroup" [pid 312] openat(AT_FDCWD, "./223/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 311] fstat(3 [pid 309] unlink("./214/cgroup.cpu" [pid 313] getdents64(3 [pid 312] fstat(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] close(3 [pid 312] getdents64(4 [pid 311] getdents64(3 [pid 309] umount2("./214/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... close resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] rmdir("./226" [pid 312] getdents64(4 [pid 311] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... rmdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4 [pid 313] mkdir("./227", 0777 [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./214/cgroup" [pid 313] <... mkdir resumed>) = 0 [pid 312] rmdir("./223/config" [pid 311] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] umount2("./223/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./215", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./214/cgroup" [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./218/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./223/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./223/binderfs") = 0 [pid 312] umount2("./223/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1416 attached [pid 312] newfstatat(AT_FDCWD, "./223/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 1416] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 229 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1416] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] unlink("./223/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 309] close(3 [pid 1416] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./218/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./223/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 1416] chdir("./227" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(4 [pid 310] getdents64(3 [pid 309] rmdir("./214" [pid 1416] <... chdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./223/cgroup.cpu" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 310] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1416] <... prctl resumed>) = 0 [pid 312] unlink("./223/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1416] setpgid(0, 0 [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = 0 [pid 309] mkdir("./215", 0777 [pid 1416] <... setpgid resumed>) = 0 [pid 312] umount2("./223/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1416] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 309] <... mkdir resumed>) = 0 [pid 1416] <... symlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./223/cgroup" [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1416] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./218/config" [pid 310] newfstatat(AT_FDCWD, "./215/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1416] <... symlink resumed>) = 0 [pid 312] unlink("./223/cgroup" [pid 311] <... rmdir resumed>) = 0 [pid 1416] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./218/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1416] <... symlink resumed>) = 0 [pid 312] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1416] <... openat resumed>) = 3 [pid 312] close(3ci2-android-5-15/strace-static-x86_64: Process 1417 attached [pid 1416] write(3, "1000", 4 [pid 312] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./218/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 217 [pid 1417] set_robust_list(0x55555bb49760, 24 [pid 1416] <... write resumed>) = 4 [pid 312] rmdir("./223" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./215/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1417] <... set_robust_list resumed>) = 0 [pid 1416] close(3 [pid 312] <... rmdir resumed>) = 0 [pid 311] unlink("./218/binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1417] rt_sigprocmask(SIG_SETMASK, [] [pid 1416] <... close resumed>) = 0 [pid 312] mkdir("./224", 0777 [pid 310] <... openat resumed>) = 4 [pid 1417] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1416] symlink("/dev/binderfs", "./binderfs" [pid 312] <... mkdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1417] chdir("./215" [pid 1416] <... symlink resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./218/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 executing program [pid 1417] <... chdir resumed>) = 0 [pid 1416] write(1, "executing program\n", 18 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1416] <... write resumed>) = 18 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] newfstatat(AT_FDCWD, "./218/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 ci2-android-5-15/strace-static-x86_64: Process 1418 attached [pid 1417] <... prctl resumed>) = 0 [pid 1416] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 1418] set_robust_list(0x55555bb49760, 24 [pid 1417] setpgid(0, 0 [pid 1416] <... mkdirat resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 226 [pid 311] unlink("./218/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1418] <... set_robust_list resumed>) = 0 [pid 1417] <... setpgid resumed>) = 0 [pid 1416] mount(NULL, "./config", "configfs", 0, NULL [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1418] rt_sigprocmask(SIG_SETMASK, [] [pid 1417] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1416] <... mount resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] close(4 [pid 1418] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1417] <... symlink resumed>) = 0 [pid 1416] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] umount2("./218/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1418] chdir("./224" [pid 1417] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1416] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 1418] <... chdir resumed>) = 0 [pid 1416] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1417] <... symlink resumed>) = 0 [pid 1418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1416] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1417] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./218/cgroup.cpu" [pid 310] rmdir("./215/config" [pid 1418] <... prctl resumed>) = 0 [pid 1416] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1417] <... symlink resumed>) = 0 [pid 1418] setpgid(0, 0 [pid 1416] <... mkdirat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1418] <... setpgid resumed>) = 0 [pid 1417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1416] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] unlink("./218/cgroup.cpu" [pid 1418] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1417] <... openat resumed>) = 3 [pid 1416] <... symlinkat resumed>) = 0 [pid 310] umount2("./215/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1418] <... symlink resumed>) = 0 [pid 1417] write(3, "1000", 4 [pid 1416] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... unlink resumed>) = 0 [pid 1418] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1417] <... write resumed>) = 4 [pid 1416] <... unlinkat resumed>) = 0 [pid 311] umount2("./218/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1418] <... symlink resumed>) = 0 [pid 1417] close(3 [pid 1416] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./215/binderfs" [pid 1418] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1417] <... close resumed>) = 0 [pid 1416] <... unlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./218/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1418] <... symlink resumed>) = 0 [pid 1417] symlink("/dev/binderfs", "./binderfs" [pid 1416] close(3 [pid 1418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./215/binderfs" [pid 1418] <... openat resumed>) = 3 [pid 1417] <... symlink resumed>) = 0 executing program [pid 1416] close(4 [pid 311] unlink("./218/cgroup" [pid 1418] write(3, "1000", 4 [pid 1417] write(1, "executing program\n", 18 [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1418] <... write resumed>) = 4 [pid 1417] <... write resumed>) = 18 [pid 1416] close(5 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./215/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1418] close(3 [pid 1417] mkdirat(AT_FDCWD, "./config", 0777 [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1418] <... close resumed>) = 0 [pid 1417] <... mkdirat resumed>) = 0 [pid 1416] close(6 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1418] symlink("/dev/binderfs", "./binderfs" [pid 1417] mount(NULL, "./config", "configfs", 0, NULL [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 310] newfstatat(AT_FDCWD, "./215/cgroup.net" [pid 1418] <... symlink resumed>) = 0 [pid 1416] close(7 [pid 1417] <... mount resumed>) = 0 [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1418] write(1, "executing program\n", 18 [pid 1416] close(8 executing program [pid 311] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1418] <... write resumed>) = 18 [pid 1417] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./218" [pid 310] unlink("./215/cgroup.net" [pid 1418] mkdirat(AT_FDCWD, "./config", 0777 [pid 1417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1416] close(9 [pid 1418] <... mkdirat resumed>) = 0 [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1418] mount(NULL, "./config", "configfs", 0, NULL [pid 1417] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1416] close(10 [pid 311] mkdir("./219", 0777 [pid 310] umount2("./215/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1418] <... mount resumed>) = 0 [pid 1417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1416] close(11 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] <... mkdirat resumed>) = 0 [pid 1416] close(12 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./215/cgroup.cpu" [pid 1418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1417] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1418] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1417] <... symlinkat resumed>) = 0 [pid 1416] close(13 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1417] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1416] close(14) = -1 EBADF (Bad file descriptor) [pid 1416] close(15) = -1 EBADF (Bad file descriptor) [pid 1416] close(16) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1419 attached [pid 1418] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1416] close(17 [pid 310] unlink("./215/cgroup.cpu" [pid 1419] set_robust_list(0x55555bb49760, 24 [pid 1418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1417] <... unlinkat resumed>) = 0 [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 221 [pid 1419] <... set_robust_list resumed>) = 0 [pid 1418] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1417] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1416] close(18 [pid 310] <... unlink resumed>) = 0 [pid 1419] rt_sigprocmask(SIG_SETMASK, [] [pid 1418] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1417] <... unlinkat resumed>) = 0 [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./215/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1419] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1418] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1417] close(3 [pid 1416] close(19 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1419] chdir("./219" [pid 1418] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1419] <... chdir resumed>) = 0 [pid 1418] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1417] close(4 [pid 1416] close(20 [pid 310] newfstatat(AT_FDCWD, "./215/cgroup" [pid 1419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1418] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1419] <... prctl resumed>) = 0 [pid 1418] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1417] close(5 [pid 1416] close(21 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1419] setpgid(0, 0 [pid 1418] close(3 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./215/cgroup" [pid 1419] <... setpgid resumed>) = 0 [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(6 [pid 1416] close(22 [pid 1419] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1418] close(4 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1419] <... symlink resumed>) = 0 [pid 1416] close(23 [pid 1419] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1419] <... symlink resumed>) = 0 [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(7 [pid 1416] close(24 [pid 310] getdents64(3 [pid 1419] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1418] close(5 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1419] <... symlink resumed>) = 0 [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(8 [pid 1416] close(25 [pid 310] close(3 [pid 1419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1418] close(6 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1419] <... openat resumed>) = 3 [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(9 [pid 1416] close(26 [pid 310] <... close resumed>) = 0 [pid 1419] write(3, "1000", 4 [pid 1418] close(7 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./215" [pid 1419] <... write resumed>) = 4 [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(10 [pid 1416] close(27 [pid 1419] close(3 [pid 1418] close(8 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1419] <... close resumed>) = 0 [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(11 [pid 1416] close(28 [pid 310] mkdir("./216", 0777 [pid 1419] symlink("/dev/binderfs", "./binderfs" [pid 1418] close(9 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1419] <... symlink resumed>) = 0 [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(12 [pid 1416] close(29 [pid 310] <... mkdir resumed>) = 0 [pid 1419] write(1, "executing program\n", 18 [pid 1418] close(10 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1419] <... write resumed>) = 18 [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(13 [pid 1416] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1419] mkdirat(AT_FDCWD, "./config", 0777 [pid 1416] <... exit_group resumed>) = ? [pid 1419] <... mkdirat resumed>) = 0 [pid 1418] close(11 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1416] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1419] mount(NULL, "./config", "configfs", 0, NULL [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(14 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1419] <... mount resumed>) = 0 [pid 1419] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1419] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 1420 attached [pid 1419] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1418] close(12 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 218 [pid 1420] set_robust_list(0x55555bb49760, 24 [pid 1419] <... mkdirat resumed>) = 0 [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(15 [pid 1420] <... set_robust_list resumed>) = 0 [pid 1419] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1418] close(13 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./227", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1420] rt_sigprocmask(SIG_SETMASK, [] [pid 1419] <... symlinkat resumed>) = 0 [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1420] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1419] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1418] close(14 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1420] chdir("./216" [pid 1419] <... unlinkat resumed>) = 0 [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(17 [pid 1420] <... chdir resumed>) = 0 [pid 1419] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... openat resumed>) = 3 [pid 1418] close(15 [pid 1420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1419] <... unlinkat resumed>) = 0 [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 1420] <... prctl resumed>) = 0 [pid 1419] close(3 [pid 1418] close(16 [pid 1417] close(18 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1420] setpgid(0, 0 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1420] <... setpgid resumed>) = 0 [pid 1419] close(4 [pid 1418] close(17 [pid 1417] close(19 [pid 313] getdents64(3 [pid 1420] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1420] <... symlink resumed>) = 0 [pid 1419] close(5 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1418] close(18 [pid 1420] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(20 [pid 313] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1420] <... symlink resumed>) = 0 [pid 1419] close(6 [pid 1418] close(19 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1420] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(21 [pid 313] <... umount2 resumed>) = 0 [pid 1420] <... symlink resumed>) = 0 [pid 1419] close(7 [pid 1418] close(20 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(22 [pid 313] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1420] <... openat resumed>) = 3 executing program [pid 1419] close(8 [pid 1418] close(21 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1420] write(3, "1000", 4 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1420] <... write resumed>) = 4 [pid 1419] close(9 [pid 1418] close(22 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./227/config" [pid 1420] close(3 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1420] <... close resumed>) = 0 [pid 1419] close(10 [pid 1418] close(23 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1420] symlink("/dev/binderfs", "./binderfs" [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(25 [pid 1420] <... symlink resumed>) = 0 [pid 1419] close(11 [pid 1418] close(24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1420] write(1, "executing program\n", 18 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./227/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1420] <... write resumed>) = 18 [pid 1419] close(12 [pid 1418] close(25 [pid 1417] close(26 [pid 1420] mkdirat(AT_FDCWD, "./config", 0777 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1420] <... mkdirat resumed>) = 0 [pid 1419] close(13 [pid 1418] close(26 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 1420] mount(NULL, "./config", "configfs", 0, NULL [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(27 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1420] <... mount resumed>) = 0 [pid 1419] close(14 [pid 1418] close(27 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1420] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1419] close(15 [pid 1418] close(28 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] close(29 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1420] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1419] close(16 [pid 1418] close(29 [pid 1417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1417] exit_group(0 [pid 313] <... close resumed>) = 0 [pid 1420] <... mkdirat resumed>) = 0 [pid 1419] close(17) = -1 EBADF (Bad file descriptor) [pid 1418] exit_group(0 [pid 1420] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1419] close(18 [pid 1418] <... exit_group resumed>) = ? [pid 1417] <... exit_group resumed>) = ? [pid 313] rmdir("./227/config" [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1420] <... symlinkat resumed>) = 0 [pid 1419] close(19 [pid 313] <... rmdir resumed>) = 0 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./227/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1419] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./227/binderfs" [pid 1419] close(21 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./227/binderfs" [pid 1419] close(22 [pid 1417] +++ exited with 0 +++ [pid 313] <... unlink resumed>) = 0 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./227/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1419] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./227/cgroup.net" [pid 1419] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1418] +++ exited with 0 +++ [pid 313] unlink("./227/cgroup.net" [pid 1420] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1419] close(25 [pid 313] <... unlink resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1420] <... unlinkat resumed>) = 0 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./227/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1420] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1419] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1420] <... unlinkat resumed>) = 0 [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./227/cgroup.cpu" [pid 1420] close(3 [pid 1419] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./227/cgroup.cpu" [pid 1420] close(4 [pid 1419] close(28 [pid 313] <... unlink resumed>) = 0 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./227/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1420] close(5 [pid 1419] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./227/cgroup" [pid 1420] close(6 [pid 1419] exit_group(0 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1419] <... exit_group resumed>) = ? [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1420] close(7 [pid 1419] +++ exited with 0 +++ [pid 313] unlink("./227/cgroup" [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1420] close(8 [pid 313] getdents64(3 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1420] close(9 [pid 313] close(3 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1420] close(10 [pid 313] rmdir("./227" [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1420] close(11 [pid 313] <... rmdir resumed>) = 0 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./228", 0777 [pid 1420] close(12) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1420] close(13 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1420] close(14 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1421 attached [pid 1420] close(15 [pid 1421] set_robust_list(0x55555bb49760, 24 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 230 [pid 1421] <... set_robust_list resumed>) = 0 [pid 1420] close(16 [pid 1421] rt_sigprocmask(SIG_SETMASK, [] [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1421] chdir("./228" [pid 1420] close(17 [pid 1421] <... chdir resumed>) = 0 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1420] close(18 [pid 1421] <... prctl resumed>) = 0 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./219", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1421] setpgid(0, 0 [pid 1420] close(19 [pid 1421] <... setpgid resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1421] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1420] close(20 [pid 311] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1421] <... symlink resumed>) = 0 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1421] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 311] <... openat resumed>) = 3 [pid 1420] close(21 [pid 1421] <... symlink resumed>) = 0 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 1421] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1420] close(22 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1421] <... symlink resumed>) = 0 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] getdents64(3 [pid 1421] <... openat resumed>) = 3 [pid 1420] close(23 [pid 1421] write(3, "1000", 4 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1421] <... write resumed>) = 4 [pid 1420] close(24 [pid 311] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./215", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1421] close(3 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1421] <... close resumed>) = 0 [pid 1421] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1420] close(25 [pid 312] umount2("./224", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1421] write(1, "executing program\n", 18 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1421] <... write resumed>) = 18 [pid 1420] close(26 [pid 312] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1421] mkdirat(AT_FDCWD, "./config", 0777 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 1421] <... mkdirat resumed>) = 0 [pid 1420] close(27 [pid 312] fstat(3 [pid 311] newfstatat(AT_FDCWD, "./219/config" [pid 309] fstat(3 [pid 1421] mount(NULL, "./config", "configfs", 0, NULL [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1421] <... mount resumed>) = 0 [pid 1420] close(28 [pid 312] getdents64(3 [pid 311] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1421] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] getdents64(3 [pid 1421] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1420] close(29 [pid 312] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1421] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1420] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 311] openat(AT_FDCWD, "./219/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1421] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1420] exit_group(0 [pid 312] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 4 [pid 309] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1421] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1420] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(4 [pid 1421] <... mkdirat resumed>) = 0 [pid 1420] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./224/config" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1421] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 309] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1421] <... symlinkat resumed>) = 0 [pid 312] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1421] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1421] <... unlinkat resumed>) = 0 [pid 312] openat(AT_FDCWD, "./224/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./215/config" [pid 1421] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... openat resumed>) = 4 [pid 311] close(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1421] <... unlinkat resumed>) = 0 [pid 312] fstat(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1421] close(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... close resumed>) = 0 [pid 309] umount2("./215/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] rmdir("./219/config" [pid 1421] close(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./216", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./215/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1421] close(5 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] umount2("./219/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 310] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1421] close(6 [pid 312] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./219/binderfs" [pid 309] fstat(4 [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./224/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1421] close(7 [pid 312] <... rmdir resumed>) = 0 [pid 311] unlink("./219/binderfs" [pid 310] fstat(3 [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./224/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1421] close(8 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./224/binderfs" [pid 311] umount2("./219/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1421] close(9 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./224/binderfs" [pid 311] newfstatat(AT_FDCWD, "./219/cgroup.net" [pid 309] getdents64(4 [pid 1421] close(10 [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./224/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./219/cgroup.net" [pid 310] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 1421] close(11 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./224/cgroup.net" [pid 311] umount2("./219/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1421] close(12 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./224/cgroup.net" [pid 1421] close(13 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./215/config" [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./224/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./219/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1421] close(14 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./216/config" [pid 309] <... rmdir resumed>) = 0 [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./224/cgroup.cpu" [pid 311] unlink("./219/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./215/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1421] close(15 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./224/cgroup.cpu" [pid 311] umount2("./219/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1421] close(16 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./215/binderfs" [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./224/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./219/cgroup" [pid 310] openat(AT_FDCWD, "./216/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1421] close(17 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./224/cgroup" [pid 311] unlink("./219/cgroup" [pid 310] fstat(4 [pid 309] unlink("./215/binderfs" [pid 1421] close(18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./224/cgroup" [pid 311] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 1421] close(19 [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./215/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] close(3 [pid 310] getdents64(4 [pid 1421] close(20 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./215/cgroup.net" [pid 1421] close(21 [pid 312] <... close resumed>) = 0 [pid 311] rmdir("./219" [pid 310] close(4 [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./224" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1421] close(22 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] unlink("./215/cgroup.net" [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./225", 0777 [pid 311] mkdir("./220", 0777 [pid 310] rmdir("./216/config" [pid 1421] close(23 [pid 312] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... mkdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./215/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1421] close(24 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./216/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1422 attached [pid 1421] close(25 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./215/cgroup.cpu" [pid 1422] set_robust_list(0x55555bb49760, 24 [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 227 [pid 1421] close(26 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1423 attached [pid 1422] <... set_robust_list resumed>) = 0 [pid 1421] close(27 [pid 310] newfstatat(AT_FDCWD, "./216/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1423] set_robust_list(0x55555bb49760, 24 [pid 1422] rt_sigprocmask(SIG_SETMASK, [] [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 222 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./215/cgroup.cpu" [pid 1423] <... set_robust_list resumed>) = 0 [pid 1422] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1421] close(28 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] unlink("./216/binderfs" [pid 1423] rt_sigprocmask(SIG_SETMASK, [] [pid 1422] chdir("./225" [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1423] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1422] <... chdir resumed>) = 0 [pid 1421] close(29 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./215/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1423] chdir("./220" [pid 1422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./216/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1423] <... chdir resumed>) = 0 [pid 1422] <... prctl resumed>) = 0 [pid 1421] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1422] setpgid(0, 0 [pid 1421] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./215/cgroup" [pid 1423] <... prctl resumed>) = 0 [pid 1422] <... setpgid resumed>) = 0 [pid 1421] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./216/cgroup.net" [pid 1423] setpgid(0, 0 [pid 1422] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1423] <... setpgid resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1423] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1422] <... symlink resumed>) = 0 [pid 309] unlink("./215/cgroup" [pid 1423] <... symlink resumed>) = 0 [pid 1422] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 310] unlink("./216/cgroup.net" [pid 1423] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 1423] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 1422] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1422] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 1423] <... openat resumed>) = 3 [pid 1423] write(3, "1000", 4 [pid 1422] <... symlink resumed>) = 0 [pid 310] umount2("./216/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1423] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1423] close(3 [pid 1422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 1423] <... close resumed>) = 0 [pid 1423] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1422] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./216/cgroup.cpu" [pid 309] <... close resumed>) = 0 [pid 1423] write(1, "executing program\n", 18 [pid 1422] write(3, "1000", 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./215" [pid 1423] <... write resumed>) = 18 executing program [pid 1422] <... write resumed>) = 4 [pid 310] unlink("./216/cgroup.cpu" [pid 1423] mkdirat(AT_FDCWD, "./config", 0777 [pid 1422] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 1423] <... mkdirat resumed>) = 0 [pid 1422] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] mkdir("./216", 0777 [pid 1423] mount(NULL, "./config", "configfs", 0, NULL [pid 1422] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./216/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1423] <... mount resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1423] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1422] <... symlink resumed>) = 0 [pid 1423] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1422] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1423] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1422] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./216/cgroup" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1423] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1422] mkdirat(AT_FDCWD, "./config", 0777 [pid 1423] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1423] <... mkdirat resumed>) = 0 [pid 1422] <... mkdirat resumed>) = 0 [pid 310] unlink("./216/cgroup" [pid 1423] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1423] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-5-15/strace-static-x86_64: Process 1424 attached ) = 0 [pid 1422] mount(NULL, "./config", "configfs", 0, NULL [pid 1423] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 218 [pid 1424] set_robust_list(0x55555bb49760, 24 [pid 1423] <... unlinkat resumed>) = 0 [pid 1422] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 1424] <... set_robust_list resumed>) = 0 [pid 1423] close(3 [pid 1422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1424] rt_sigprocmask(SIG_SETMASK, [] [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1424] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1423] close(4 [pid 1422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 1424] chdir("./216" [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] <... chdir resumed>) = 0 [pid 1423] close(5 [pid 1422] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./216" [pid 1424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1424] <... prctl resumed>) = 0 [pid 1423] close(6 [pid 310] <... rmdir resumed>) = 0 [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1423] close(7) = -1 EBADF (Bad file descriptor) [pid 1422] <... mkdirat resumed>) = 0 [pid 310] mkdir("./217", 0777 [pid 1424] setpgid(0, 0 [pid 1423] close(8 [pid 1422] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1424] <... setpgid resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1423] close(9 [pid 1422] <... symlinkat resumed>) = 0 [pid 1424] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1424] <... symlink resumed>) = 0 [pid 1423] close(10 [pid 1424] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1424] <... symlink resumed>) = 0 [pid 1423] close(11 [pid 1422] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1424] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1423] close(12) = -1 EBADF (Bad file descriptor) [pid 1422] <... unlinkat resumed>) = 0 [pid 1423] close(13) = -1 EBADF (Bad file descriptor) [pid 1423] close(14) = -1 EBADF (Bad file descriptor) [pid 1423] close(15) = -1 EBADF (Bad file descriptor) [pid 1423] close(16) = -1 EBADF (Bad file descriptor) [pid 1423] close(17) = -1 EBADF (Bad file descriptor) [pid 1423] close(18) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1425 attached [pid 1423] close(19 [pid 1425] set_robust_list(0x55555bb49760, 24 [pid 1424] <... symlink resumed>) = 0 [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] close(3 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 219 [pid 1425] <... set_robust_list resumed>) = 0 [pid 1424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1423] close(20 [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1425] rt_sigprocmask(SIG_SETMASK, [] [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1425] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1424] <... openat resumed>) = 3 [pid 1423] close(21 [pid 1422] close(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1425] chdir("./217" [pid 1424] write(3, "1000", 4 [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1425] <... chdir resumed>) = 0 [pid 1424] <... write resumed>) = 4 [pid 1423] close(22 [pid 1422] close(5 [pid 1425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1424] close(3 [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1425] <... prctl resumed>) = 0 [pid 1424] <... close resumed>) = 0 [pid 1423] close(23 [pid 1422] close(6 [pid 1425] setpgid(0, 0 [pid 1424] symlink("/dev/binderfs", "./binderfs" [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1425] <... setpgid resumed>) = 0 [pid 1423] close(24 [pid 1425] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1424] <... symlink resumed>) = 0 [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] close(7 [pid 1425] <... symlink resumed>) = 0 [pid 1424] write(1, "executing program\n", 18 [pid 1423] close(25 [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1425] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1424] <... write resumed>) = 18 [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] close(8 [pid 1425] <... symlink resumed>) = 0 [pid 1423] close(26 [pid 1425] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1424] mkdirat(AT_FDCWD, "./config", 0777 [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1425] <... symlink resumed>) = 0 [pid 1424] <... mkdirat resumed>) = 0 [pid 1423] close(27 [pid 1425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1424] mount(NULL, "./config", "configfs", 0, NULL [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] close(9 [pid 1425] <... openat resumed>) = 3 [pid 1423] close(28 [pid 313] umount2("./228", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1425] write(3, "1000", 4 [pid 1424] <... mount resumed>) = 0 [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1425] <... write resumed>) = 4 [pid 1424] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1423] close(29 [pid 1422] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1425] close(3 [pid 1424] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1423] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1425] <... close resumed>) = 0 [pid 1424] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1423] exit_group(0 [pid 1422] close(11 [pid 313] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1425] symlink("/dev/binderfs", "./binderfs" [pid 1424] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1423] <... exit_group resumed>) = ? [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1425] <... symlink resumed>) = 0 [pid 1424] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1423] +++ exited with 0 +++ [pid 1422] close(12 [pid 313] <... openat resumed>) = 3 [pid 1425] write(1, "executing program\n", 18) = 18 executing program [pid 1425] mkdirat(AT_FDCWD, "./config", 0777 [pid 1424] <... mkdirat resumed>) = 0 [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1425] <... mkdirat resumed>) = 0 [pid 1424] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1422] close(13 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1425] mount(NULL, "./config", "configfs", 0, NULL [pid 1424] <... symlinkat resumed>) = 0 [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1425] <... mount resumed>) = 0 [pid 1424] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1422] close(14 [pid 1425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1425] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1424] <... unlinkat resumed>) = 0 [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1424] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1422] close(15 [pid 1425] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = 0 [pid 1425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1424] <... unlinkat resumed>) = 0 [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1425] <... mkdirat resumed>) = 0 [pid 1424] close(3 [pid 1422] close(16 [pid 313] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1425] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1425] <... symlinkat resumed>) = 0 [pid 1424] close(4 [pid 1422] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1425] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./228/config" [pid 1425] <... unlinkat resumed>) = 0 [pid 1424] close(5 [pid 1422] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1425] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1425] <... unlinkat resumed>) = 0 [pid 1424] close(6 [pid 1422] close(19 [pid 313] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1425] close(3 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] close(7 [pid 1422] close(20 [pid 313] openat(AT_FDCWD, "./228/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1425] close(4 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] close(8 [pid 1422] close(21 [pid 313] <... openat resumed>) = 4 [pid 1425] close(5 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] close(9 [pid 1422] close(22 [pid 1425] close(6 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] close(10 [pid 1422] close(23 [pid 313] getdents64(4 [pid 1425] close(7 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1424] close(11 [pid 311] <... restart_syscall resumed>) = 0 [pid 1422] close(24 [pid 1425] close(8 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] close(12 [pid 1422] close(25 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1425] close(9 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] close(13 [pid 1422] close(26 [pid 313] <... close resumed>) = 0 [pid 1425] close(10 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./228/config" [pid 311] umount2("./220", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] close(14 [pid 1422] close(27 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1425] close(11 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./228/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] close(15 [pid 1422] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1425] close(12 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] close(16 [pid 1422] close(29 [pid 313] newfstatat(AT_FDCWD, "./228/binderfs" [pid 311] fstat(3 [pid 1425] close(13 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] close(17 [pid 1422] exit_group(0 [pid 313] unlink("./228/binderfs" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1425] close(14 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1422] <... exit_group resumed>) = ? [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] close(18 [pid 313] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 1425] close(15) = -1 EBADF (Bad file descriptor) [pid 1425] close(16) = -1 EBADF (Bad file descriptor) [pid 1425] close(17) = -1 EBADF (Bad file descriptor) [pid 1425] close(18) = -1 EBADF (Bad file descriptor) [pid 1425] close(19) = -1 EBADF (Bad file descriptor) [pid 1425] close(20 [pid 1422] +++ exited with 0 +++ [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./228/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1425] close(21 [pid 1424] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./228/cgroup.net" [pid 311] <... umount2 resumed>) = 0 [pid 1425] close(22 [pid 1424] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./228/cgroup.net" [pid 1425] close(23 [pid 1424] close(21 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1425] close(24 [pid 1424] close(22 [pid 313] umount2("./228/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./220/config" [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1425] close(25 [pid 1424] close(23 [pid 313] newfstatat(AT_FDCWD, "./228/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1425] close(26 [pid 1424] close(24 [pid 313] unlink("./228/cgroup.cpu" [pid 311] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1425] close(27 [pid 1424] close(25 [pid 313] umount2("./228/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./220/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1425] close(28 [pid 1424] close(26 [pid 313] newfstatat(AT_FDCWD, "./228/cgroup" [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 1425] close(29 [pid 1424] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(4 [pid 1425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./228/cgroup" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1425] exit_group(0 [pid 1424] close(28 [pid 1425] <... exit_group resumed>) = ? [pid 313] <... unlink resumed>) = 0 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1425] +++ exited with 0 +++ [pid 1424] close(29 [pid 313] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] getdents64(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1424] exit_group(0 [pid 313] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1424] <... exit_group resumed>) = ? [pid 313] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] close(4 [pid 1424] +++ exited with 0 +++ [pid 313] rmdir("./228" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... rmdir resumed>) = 0 [pid 311] rmdir("./220/config" [pid 313] mkdir("./229", 0777 [pid 311] <... rmdir resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 311] umount2("./220/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./220/binderfs" [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 312] umount2("./225", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1426 attached [pid 312] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./220/binderfs" [pid 1426] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 231 [pid 312] <... openat resumed>) = 3 [pid 1426] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] fstat(3 [pid 311] <... unlink resumed>) = 0 [pid 1426] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] umount2("./220/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1426] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] getdents64(3 [pid 1426] chdir("./229" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1426] <... chdir resumed>) = 0 [pid 312] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./220/cgroup.net" [pid 1426] setpgid(0, 0 [pid 312] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1426] <... setpgid resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1426] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] newfstatat(AT_FDCWD, "./225/config" [pid 311] unlink("./220/cgroup.net" [pid 1426] <... symlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1426] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 1426] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1426] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 311] umount2("./220/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] openat(AT_FDCWD, "./225/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1426] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... openat resumed>) = 4 [pid 310] umount2("./217", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1426] <... openat resumed>) = 3 [pid 312] fstat(4 [pid 311] newfstatat(AT_FDCWD, "./220/cgroup.cpu" [pid 1426] write(3, "1000", 4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1426] <... write resumed>) = 4 [pid 312] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1426] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] unlink("./220/cgroup.cpu" [pid 1426] <... close resumed>) = 0 [pid 312] getdents64(4 [pid 310] <... openat resumed>) = 3 [pid 1426] symlink("/dev/binderfs", "./binderfs" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 1426] <... symlink resumed>) = 0 [pid 312] close(4 [pid 311] umount2("./220/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1426] write(1, "executing program\n", 18 [pid 312] <... close resumed>) = 0 executing program [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1426] <... write resumed>) = 18 [pid 312] rmdir("./225/config" [pid 311] newfstatat(AT_FDCWD, "./220/cgroup" [pid 310] getdents64(3 [pid 1426] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1426] <... mkdirat resumed>) = 0 [pid 312] umount2("./225/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./220/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1426] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1426] <... mount resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./225/binderfs" [pid 311] getdents64(3 [pid 1426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 1426] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] unlink("./225/binderfs" [pid 311] close(3 [pid 1426] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./217/config" [pid 1426] <... mkdirat resumed>) = 0 [pid 312] umount2("./225/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./220" [pid 1426] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1426] <... symlinkat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./225/cgroup.net" [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1426] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] mkdir("./221", 0777 [pid 1426] <... unlinkat resumed>) = 0 [pid 312] unlink("./225/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1426] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... mkdir resumed>) = 0 [pid 1426] <... unlinkat resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] openat(AT_FDCWD, "./217/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1426] close(3 [pid 312] umount2("./225/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 1426] close(4 [pid 312] newfstatat(AT_FDCWD, "./225/cgroup.cpu" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1426] close(5) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./216", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1427 attached [pid 1426] close(6 [pid 312] unlink("./225/cgroup.cpu" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 223 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1427] set_robust_list(0x55555bb49760, 24 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 1427] <... set_robust_list resumed>) = 0 [pid 1426] close(7 [pid 312] umount2("./225/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 3 [pid 1427] rt_sigprocmask(SIG_SETMASK, [] [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] fstat(3 [pid 1427] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1426] close(8 [pid 312] newfstatat(AT_FDCWD, "./225/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1427] chdir("./221" [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 309] getdents64(3 [pid 1427] <... chdir resumed>) = 0 [pid 1426] close(9 [pid 312] unlink("./225/cgroup" [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1427] <... prctl resumed>) = 0 [pid 1426] close(10 [pid 312] <... unlink resumed>) = 0 [pid 310] rmdir("./217/config" [pid 309] <... umount2 resumed>) = 0 [pid 1427] setpgid(0, 0 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 309] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1427] <... setpgid resumed>) = 0 [pid 1426] close(11 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1427] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 310] umount2("./217/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./216/config" [pid 1427] <... symlink resumed>) = 0 [pid 1426] close(12 [pid 312] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1427] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./225" [pid 310] newfstatat(AT_FDCWD, "./217/binderfs" [pid 309] umount2("./216/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1427] <... symlink resumed>) = 0 [pid 1426] close(13 [pid 312] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1427] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./226", 0777 [pid 310] unlink("./217/binderfs" [pid 309] openat(AT_FDCWD, "./216/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1427] <... symlink resumed>) = 0 [pid 1426] close(14 [pid 312] <... mkdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./217/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 1427] <... openat resumed>) = 3 [pid 1426] close(15 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1427] write(3, "1000", 4 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./217/cgroup.net" [pid 309] getdents64(4 [pid 1427] <... write resumed>) = 4 [pid 1426] close(16 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1426] close(17 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(4 [pid 1426] close(18 [pid 309] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1428 attached [pid 1427] close(3 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./216/config" [pid 1428] set_robust_list(0x55555bb49760, 24 [pid 1427] <... close resumed>) = 0 [pid 1426] close(19 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 228 [pid 310] unlink("./217/cgroup.net" [pid 309] <... rmdir resumed>) = 0 [pid 1428] <... set_robust_list resumed>) = 0 [pid 1427] symlink("/dev/binderfs", "./binderfs" [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./216/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1428] rt_sigprocmask(SIG_SETMASK, [] [pid 1427] <... symlink resumed>) = 0 [pid 1426] close(20 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1428] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1427] write(1, "executing program\n", 18 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./217/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 309] newfstatat(AT_FDCWD, "./216/binderfs" [pid 1428] chdir("./226" [pid 1427] <... write resumed>) = 18 [pid 1426] close(21 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1428] <... chdir resumed>) = 0 [pid 1427] mkdirat(AT_FDCWD, "./config", 0777 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./217/cgroup.cpu" [pid 309] unlink("./216/binderfs" [pid 1428] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1427] <... mkdirat resumed>) = 0 [pid 1426] close(22 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1428] <... prctl resumed>) = 0 [pid 1427] mount(NULL, "./config", "configfs", 0, NULL [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./217/cgroup.cpu" [pid 309] umount2("./216/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1428] setpgid(0, 0 [pid 1427] <... mount resumed>) = 0 [pid 1426] close(23 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1428] <... setpgid resumed>) = 0 [pid 1427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./216/cgroup.net" [pid 1428] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1426] close(24 [pid 310] umount2("./217/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1428] <... symlink resumed>) = 0 [pid 1427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./216/cgroup.net" [pid 1428] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1426] close(25 [pid 310] newfstatat(AT_FDCWD, "./217/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1428] <... symlink resumed>) = 0 [pid 1427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./216/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1428] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1426] close(26 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1428] <... symlink resumed>) = 0 [pid 1427] <... mkdirat resumed>) = 0 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./217/cgroup" [pid 309] newfstatat(AT_FDCWD, "./216/cgroup.cpu" [pid 1428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1427] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1426] close(27 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1428] <... openat resumed>) = 3 [pid 1427] <... symlinkat resumed>) = 0 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./216/cgroup.cpu" [pid 310] getdents64(3 [pid 1428] write(3, "1000", 4 [pid 1427] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1426] close(28 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1428] <... write resumed>) = 4 [pid 1427] <... unlinkat resumed>) = 0 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 309] umount2("./216/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1428] close(3 [pid 1427] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1426] close(29 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1428] <... close resumed>) = 0 [pid 1426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./216/cgroup" [pid 1428] symlink("/dev/binderfs", "./binderfs" [pid 1427] <... unlinkat resumed>) = 0 [pid 1426] exit_group(0 [pid 310] rmdir("./217" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1428] <... symlink resumed>) = 0 [pid 1427] close(3 [pid 1426] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./216/cgroup" [pid 1428] write(1, "executing program\n", 18 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1426] +++ exited with 0 +++ [pid 310] mkdir("./218", 0777 [pid 309] <... unlink resumed>) = 0 [pid 1428] <... write resumed>) = 18 [pid 1427] close(4 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3 [pid 1428] mkdirat(AT_FDCWD, "./config", 0777 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1428] <... mkdirat resumed>) = 0 [pid 1427] close(5 [pid 309] close(3 [pid 1428] mount(NULL, "./config", "configfs", 0, NULL [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./229", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... close resumed>) = 0 [pid 1428] <... mount resumed>) = 0 [pid 1427] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rmdir("./216" [pid 1428] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rmdir resumed>) = 0 [pid 1428] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1427] close(7 [pid 313] <... openat resumed>) = 3 [pid 309] mkdir("./217", 0777 [pid 1428] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 1428] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1428] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1429 attached [pid 1428] <... mkdirat resumed>) = 0 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1429] set_robust_list(0x55555bb49760, 24 [pid 1428] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1427] close(8 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 220 ci2-android-5-15/strace-static-x86_64: Process 1430 attached [pid 1429] <... set_robust_list resumed>) = 0 [pid 1428] <... symlinkat resumed>) = 0 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 219 [pid 1430] set_robust_list(0x55555bb49760, 24 [pid 1429] rt_sigprocmask(SIG_SETMASK, [] [pid 1428] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1427] close(9 [pid 313] getdents64(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1430] <... set_robust_list resumed>) = 0 [pid 1429] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1428] <... unlinkat resumed>) = 0 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1430] rt_sigprocmask(SIG_SETMASK, [] [pid 1429] chdir("./218" [pid 1428] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1427] close(10 [pid 313] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1430] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1429] <... chdir resumed>) = 0 [pid 1429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1428] <... unlinkat resumed>) = 0 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1430] chdir("./217" [pid 1429] <... prctl resumed>) = 0 [pid 1428] close(3 [pid 1427] close(11 [pid 313] <... umount2 resumed>) = 0 [pid 1430] <... chdir resumed>) = 0 [pid 1429] setpgid(0, 0 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1429] <... setpgid resumed>) = 0 [pid 1428] close(4 [pid 1427] close(12 [pid 313] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1430] <... prctl resumed>) = 0 [pid 1429] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1430] setpgid(0, 0 [pid 1429] <... symlink resumed>) = 0 [pid 1428] close(5 [pid 1427] close(13 [pid 313] newfstatat(AT_FDCWD, "./229/config" [pid 1430] <... setpgid resumed>) = 0 [pid 1429] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1430] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1429] <... symlink resumed>) = 0 [pid 1428] close(6 [pid 1427] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1430] <... symlink resumed>) = 0 [pid 1429] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1430] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1429] <... symlink resumed>) = 0 [pid 1428] close(7 [pid 1427] close(15 [pid 313] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1430] <... symlink resumed>) = 0 [pid 1429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1430] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1429] <... openat resumed>) = 3 [pid 1428] close(8 [pid 1427] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1430] <... symlink resumed>) = 0 [pid 1429] write(3, "1000", 4 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./229/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 1430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1429] <... write resumed>) = 4 [pid 1428] close(9 [pid 1427] close(17 [pid 1430] <... openat resumed>) = 3 [pid 1429] close(3 [pid 313] <... openat resumed>) = 4 [pid 1430] write(3, "1000", 4 [pid 1429] <... close resumed>) = 0 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1430] <... write resumed>) = 4 [pid 1429] symlink("/dev/binderfs", "./binderfs" [pid 1428] close(10 [pid 1427] close(18 [pid 313] fstat(4 [pid 1430] close(3 [pid 1429] <... symlink resumed>) = 0 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1430] <... close resumed>) = 0 [pid 1429] write(1, "executing program\n", 18 [pid 1428] close(11 [pid 1427] close(19 [pid 313] getdents64(4 [pid 1430] symlink("/dev/binderfs", "./binderfs" [pid 1429] <... write resumed>) = 18 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1430] <... symlink resumed>) = 0 [pid 1429] mkdirat(AT_FDCWD, "./config", 0777 [pid 1428] close(12 [pid 1427] close(20 [pid 1430] write(1, "executing program\n", 18 [pid 1429] <... mkdirat resumed>) = 0 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1430] <... write resumed>) = 18 [pid 1429] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 1428] close(13 [pid 1427] close(21 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1430] mkdirat(AT_FDCWD, "./config", 0777 [pid 1429] <... mount resumed>) = 0 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1430] <... mkdirat resumed>) = 0 [pid 1429] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1428] close(14 [pid 1430] mount(NULL, "./config", "configfs", 0, NULL [pid 1429] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] close(22 [pid 313] <... close resumed>) = 0 [pid 1430] <... mount resumed>) = 0 [pid 1429] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1428] close(15 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./229/config" [pid 1430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1429] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] close(23 [pid 1430] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1429] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1428] close(16 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1429] <... mkdirat resumed>) = 0 [pid 1430] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1429] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] close(24 [pid 313] umount2("./229/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1429] <... symlinkat resumed>) = 0 [pid 1428] close(17 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1430] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1429] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] close(25 [pid 313] newfstatat(AT_FDCWD, "./229/binderfs" [pid 1430] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1429] <... unlinkat resumed>) = 0 [pid 1428] close(18 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1430] <... symlinkat resumed>) = 0 [pid 1429] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] close(26 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1430] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1429] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1428] close(19 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./229/binderfs" [pid 1430] <... unlinkat resumed>) = 0 [pid 1429] close(3 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] close(27 [pid 1430] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1428] close(20 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1429] close(4) = -1 EBADF (Bad file descriptor) [pid 1430] <... unlinkat resumed>) = 0 [pid 1429] close(5 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] close(28 [pid 313] umount2("./229/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1430] close(3 [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1428] close(21 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] close(6 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1430] close(4 [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1428] close(22 [pid 1427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./229/cgroup.net" [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] close(7 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1430] close(5 [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1428] close(23 [pid 1427] exit_group(0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] close(8 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1427] <... exit_group resumed>) = ? [pid 313] unlink("./229/cgroup.net" [pid 1430] close(6 [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1428] close(24 [pid 1429] close(9) = -1 EBADF (Bad file descriptor) [pid 1429] close(10) = -1 EBADF (Bad file descriptor) [pid 1429] close(11) = -1 EBADF (Bad file descriptor) [pid 1429] close(12) = -1 EBADF (Bad file descriptor) [pid 1429] close(13) = -1 EBADF (Bad file descriptor) [pid 1427] +++ exited with 0 +++ [pid 1429] close(14) = -1 EBADF (Bad file descriptor) [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] close(15 [pid 313] <... unlink resumed>) = 0 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1430] close(7 [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1428] close(25 [pid 313] umount2("./229/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] close(16 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1430] close(8 [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1428] close(26 [pid 313] newfstatat(AT_FDCWD, "./229/cgroup.cpu" [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] close(17 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1430] close(9 [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1428] close(27 [pid 313] unlink("./229/cgroup.cpu" [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] close(18 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1430] close(10 [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1428] close(28 [pid 313] umount2("./229/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] close(19 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1430] close(11 [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1428] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] close(20 [pid 1428] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./229/cgroup" [pid 1430] close(12 [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] close(21 [pid 1428] exit_group(0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1428] <... exit_group resumed>) = ? [pid 1430] close(13 [pid 1429] close(22 [pid 313] unlink("./229/cgroup" [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] close(23) = -1 EBADF (Bad file descriptor) [pid 1429] close(24) = -1 EBADF (Bad file descriptor) [pid 1429] close(25) = -1 EBADF (Bad file descriptor) [pid 1429] close(26) = -1 EBADF (Bad file descriptor) [pid 1428] +++ exited with 0 +++ [pid 1429] close(27 [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1430] close(14 [pid 1429] close(28 [pid 313] <... unlink resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1430] close(15 [pid 1429] close(29 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1430] close(16 [pid 1429] exit_group(0 [pid 313] <... close resumed>) = 0 [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1429] <... exit_group resumed>) = ? [pid 313] rmdir("./229" [pid 1430] close(17 [pid 1429] +++ exited with 0 +++ [pid 313] <... rmdir resumed>) = 0 [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./230", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1430] close(18 [pid 313] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1430] close(19 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1430] close(20) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 232 ci2-android-5-15/strace-static-x86_64: Process 1431 attached [pid 1430] close(21 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1431] set_robust_list(0x55555bb49760, 24 [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1431] <... set_robust_list resumed>) = 0 [pid 1430] close(22) = -1 EBADF (Bad file descriptor) [pid 1430] close(23) = -1 EBADF (Bad file descriptor) [pid 1430] close(24) = -1 EBADF (Bad file descriptor) [pid 1431] rt_sigprocmask(SIG_SETMASK, [] [pid 1430] close(25 [pid 1431] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1430] close(26 [pid 1431] chdir("./230" [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1431] <... chdir resumed>) = 0 [pid 1430] close(27 [pid 1431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1431] <... prctl resumed>) = 0 [pid 1430] close(28 [pid 311] <... restart_syscall resumed>) = 0 [pid 1431] setpgid(0, 0 [pid 1430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1431] <... setpgid resumed>) = 0 [pid 1430] close(29) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./221", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1431] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1430] exit_group(0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1430] <... exit_group resumed>) = ? [pid 311] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1431] <... symlink resumed>) = 0 [pid 1430] +++ exited with 0 +++ [pid 311] <... openat resumed>) = 3 [pid 1431] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 311] fstat(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1431] <... symlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1431] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1431] <... symlink resumed>) = 0 [pid 311] getdents64(3 [pid 1431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1431] <... openat resumed>) = 3 [pid 311] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1431] write(3, "1000", 4) = 4 [pid 311] <... umount2 resumed>) = 0 [pid 1431] close(3 [pid 311] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1431] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1431] symlink("/dev/binderfs", "./binderfs" [pid 311] newfstatat(AT_FDCWD, "./221/config" [pid 1431] <... symlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1431] write(1, "executing program\n", 18 [pid 311] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1431] <... write resumed>) = 18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1431] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] openat(AT_FDCWD, "./221/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1431] <... mkdirat resumed>) = 0 executing program [pid 311] <... openat resumed>) = 4 [pid 1431] mount(NULL, "./config", "configfs", 0, NULL [pid 311] fstat(4 [pid 1431] <... mount resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] getdents64(4 [pid 1431] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] getdents64(4 [pid 1431] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] close(4 [pid 1431] <... mkdirat resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 1431] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] rmdir("./221/config" [pid 1431] <... symlinkat resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1431] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] umount2("./221/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1431] <... unlinkat resumed>) = 0 [pid 1431] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./217", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1431] <... unlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./221/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1431] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./218", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./221/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1431] close(4 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] <... openat resumed>) = 3 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./221/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 309] fstat(3 [pid 1431] close(5 [pid 312] umount2("./226", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1431] close(6 [pid 312] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./221/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1431] close(7 [pid 312] fstat(3 [pid 311] unlink("./221/cgroup.net" [pid 310] <... umount2 resumed>) = 0 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1431] close(8 [pid 312] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./221/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./218/config" [pid 1431] close(9 [pid 312] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./221/cgroup.cpu" [pid 310] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1431] close(10 [pid 312] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./221/cgroup.cpu" [pid 310] openat(AT_FDCWD, "./218/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1431] close(11 [pid 312] newfstatat(AT_FDCWD, "./226/config" [pid 311] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./217/config" [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./221/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 1431] close(12 [pid 312] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./221/cgroup" [pid 310] getdents64(4 [pid 1431] close(13 [pid 312] openat(AT_FDCWD, "./226/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./217/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 311] unlink("./221/cgroup" [pid 310] getdents64(4 [pid 1431] close(14 [pid 312] fstat(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] close(4 [pid 309] openat(AT_FDCWD, "./217/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1431] close(15 [pid 312] getdents64(4 [pid 311] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./218/config" [pid 309] <... openat resumed>) = 4 [pid 1431] close(16 [pid 312] getdents64(4 [pid 311] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./218/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1431] close(17 [pid 312] close(4 [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] rmdir("./221" [pid 310] newfstatat(AT_FDCWD, "./218/binderfs" [pid 309] getdents64(4 [pid 1431] close(18 [pid 312] rmdir("./226/config" [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] mkdir("./222", 0777 [pid 310] unlink("./218/binderfs" [pid 1431] close(19 [pid 312] umount2("./226/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./218/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./226/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./218/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1431] close(20 [pid 312] unlink("./226/binderfs" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./218/cgroup.net" [pid 309] close(4 [pid 1431] close(21 [pid 312] umount2("./226/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./218/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./226/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./218/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1432 attached [pid 1431] close(22 [pid 312] unlink("./226/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./217/config" [pid 1432] set_robust_list(0x55555bb49760, 24 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 224 [pid 310] unlink("./218/cgroup.cpu" [pid 1432] <... set_robust_list resumed>) = 0 [pid 1431] close(23 [pid 312] umount2("./226/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1432] rt_sigprocmask(SIG_SETMASK, [] [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./218/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./217/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1432] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1431] close(24 [pid 312] newfstatat(AT_FDCWD, "./226/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1432] chdir("./222" [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./218/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1432] <... chdir resumed>) = 0 [pid 1431] close(25 [pid 312] unlink("./226/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./217/binderfs" [pid 1432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] unlink("./218/cgroup" [pid 1432] <... prctl resumed>) = 0 [pid 1431] close(26 [pid 312] umount2("./226/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1432] setpgid(0, 0 [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] unlink("./217/binderfs" [pid 1432] <... setpgid resumed>) = 0 [pid 1431] close(27 [pid 312] newfstatat(AT_FDCWD, "./226/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1432] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 309] <... unlink resumed>) = 0 [pid 1432] <... symlink resumed>) = 0 [pid 1431] close(28 [pid 312] unlink("./226/cgroup" [pid 310] <... close resumed>) = 0 [pid 309] umount2("./217/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1432] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] rmdir("./218" [pid 1432] <... symlink resumed>) = 0 [pid 1431] close(29 [pid 312] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1432] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1431] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] mkdir("./219", 0777 [pid 1432] <... symlink resumed>) = 0 [pid 1431] exit_group(0 [pid 312] close(3 [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./217/cgroup.net" [pid 1432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1431] <... exit_group resumed>) = ? [pid 312] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1432] <... openat resumed>) = 3 [pid 312] rmdir("./226" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1432] write(3, "1000", 4 [pid 312] <... rmdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1433 attached [pid 1432] <... write resumed>) = 4 [pid 1431] +++ exited with 0 +++ [pid 312] mkdir("./227", 0777 [pid 309] unlink("./217/cgroup.net" [pid 1433] set_robust_list(0x55555bb49760, 24 [pid 1432] close(3 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... mkdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 221 [pid 1433] <... set_robust_list resumed>) = 0 [pid 1432] <... close resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 1432] symlink("/dev/binderfs", "./binderfs" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1433] rt_sigprocmask(SIG_SETMASK, [] [pid 1432] <... symlink resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./217/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1434 attached [pid 1433] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1432] write(1, "executing program\n", 18 [pid 313] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1434] set_robust_list(0x55555bb49760, 24 executing program [pid 1433] chdir("./219" [pid 1432] <... write resumed>) = 18 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 229 [pid 1434] <... set_robust_list resumed>) = 0 [pid 1433] <... chdir resumed>) = 0 [pid 1432] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./217/cgroup.cpu" [pid 1434] rt_sigprocmask(SIG_SETMASK, [] [pid 1433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1432] <... mkdirat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1433] <... prctl resumed>) = 0 [pid 1432] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./230", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1434] chdir("./227" [pid 1433] setpgid(0, 0 [pid 1432] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./217/cgroup.cpu" [pid 1434] <... chdir resumed>) = 0 [pid 1433] <... setpgid resumed>) = 0 [pid 1432] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1433] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1432] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 1434] <... prctl resumed>) = 0 [pid 1432] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... openat resumed>) = 3 [pid 1434] setpgid(0, 0 [pid 1433] <... symlink resumed>) = 0 [pid 1432] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] fstat(3 [pid 309] umount2("./217/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1434] <... setpgid resumed>) = 0 [pid 1433] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1432] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1434] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1433] <... symlink resumed>) = 0 [pid 1432] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1434] <... symlink resumed>) = 0 [pid 1432] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] getdents64(3 [pid 1433] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1434] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1432] <... symlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] newfstatat(AT_FDCWD, "./217/cgroup" [pid 1434] <... symlink resumed>) = 0 [pid 1433] <... symlink resumed>) = 0 [pid 1432] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1434] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1432] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1432] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = 0 [pid 1434] <... symlink resumed>) = 0 [pid 1432] <... unlinkat resumed>) = 0 [pid 1433] <... openat resumed>) = 3 [pid 1434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1432] close(3 [pid 313] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./217/cgroup" [pid 1433] write(3, "1000", 4 [pid 1434] <... openat resumed>) = 3 [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... write resumed>) = 4 [pid 1434] write(3, "1000", 4 [pid 1432] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1434] <... write resumed>) = 4 [pid 1433] close(3 [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./230/config" [pid 309] getdents64(3 [pid 1434] close(3 [pid 1433] <... close resumed>) = 0 [pid 1432] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1434] <... close resumed>) = 0 [pid 1433] symlink("/dev/binderfs", "./binderfs" [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1434] symlink("/dev/binderfs", "./binderfs" [pid 1433] <... symlink resumed>) = 0 [pid 1432] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1432] close(7 [pid 1434] <... symlink resumed>) = 0 [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1434] write(1, "executing program\n", 18 [pid 1433] write(1, "executing program\n", 18 executing program executing program [pid 1432] close(8 [pid 313] openat(AT_FDCWD, "./230/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./217" [pid 1434] <... write resumed>) = 18 [pid 1433] <... write resumed>) = 18 [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1432] close(9 [pid 309] <... rmdir resumed>) = 0 [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] mkdirat(AT_FDCWD, "./config", 0777 [pid 1432] close(10 [pid 1434] mkdirat(AT_FDCWD, "./config", 0777 [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 1433] <... mkdirat resumed>) = 0 [pid 1434] <... mkdirat resumed>) = 0 [pid 1432] close(11 [pid 309] mkdir("./218", 0777 [pid 1434] mount(NULL, "./config", "configfs", 0, NULL [pid 1433] mount(NULL, "./config", "configfs", 0, NULL [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1434] <... mount resumed>) = 0 [pid 1432] close(12 [pid 309] <... mkdir resumed>) = 0 [pid 1434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1433] <... mount resumed>) = 0 [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1434] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1433] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1432] close(13 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1433] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1432] close(14 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1434] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1433] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1432] close(15) = -1 EBADF (Bad file descriptor) [pid 1432] close(16) = -1 EBADF (Bad file descriptor) [pid 1432] close(17) = -1 EBADF (Bad file descriptor) [pid 1432] close(18) = -1 EBADF (Bad file descriptor) [pid 1432] close(19) = -1 EBADF (Bad file descriptor) [pid 1432] close(20) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1435 attached [pid 1434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1433] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1432] close(21 [pid 313] close(4 [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1432] close(22) = -1 EBADF (Bad file descriptor) [pid 1432] close(23 [pid 1434] <... mkdirat resumed>) = 0 [pid 1433] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] set_robust_list(0x55555bb49760, 24 [pid 1432] close(24 [pid 1433] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 220 [pid 1434] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1435] <... set_robust_list resumed>) = 0 [pid 1433] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./230/config" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1434] <... symlinkat resumed>) = 0 [pid 1433] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1432] close(25) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1435] rt_sigprocmask(SIG_SETMASK, [] [pid 1434] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1433] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1432] close(26 [pid 313] umount2("./230/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1435] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1434] <... unlinkat resumed>) = 0 [pid 1433] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1434] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1433] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1432] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1435] chdir("./218" [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1434] <... unlinkat resumed>) = 0 [pid 1432] close(28 [pid 313] newfstatat(AT_FDCWD, "./230/binderfs" [pid 1435] <... chdir resumed>) = 0 [pid 1434] close(3 [pid 1433] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] close(3 [pid 1432] close(29 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1435] <... prctl resumed>) = 0 [pid 1434] close(4 [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./230/binderfs" [pid 1435] setpgid(0, 0 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] close(4 [pid 1432] exit_group(0) = ? [pid 1435] <... setpgid resumed>) = 0 [pid 1434] close(5 [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1432] +++ exited with 0 +++ [pid 313] <... unlink resumed>) = 0 [pid 1435] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] close(5 [pid 313] umount2("./230/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1435] <... symlink resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1435] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1434] close(6 [pid 1433] close(6 [pid 313] newfstatat(AT_FDCWD, "./230/cgroup.net" [pid 1435] <... symlink resumed>) = 0 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1434] close(7 [pid 1433] close(7 [pid 1435] <... symlink resumed>) = 0 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./230/cgroup.net" [pid 1435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1434] close(8 [pid 1433] close(8 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1435] <... openat resumed>) = 3 [pid 1434] close(9 [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./230/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1435] write(3, "1000", 4 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1435] <... write resumed>) = 4 [pid 1434] close(10 [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./230/cgroup.cpu" [pid 1435] close(3 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] close(10 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1435] <... close resumed>) = 0 [pid 1434] close(11 [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./230/cgroup.cpu" [pid 1435] symlink("/dev/binderfs", "./binderfs" [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] close(11 [pid 1434] close(12 [pid 313] <... unlink resumed>) = 0 [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] <... symlink resumed>) = 0 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] close(12 [pid 313] umount2("./230/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1435] write(1, "executing program\n", 18 [pid 1434] close(13 [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1435] <... write resumed>) = 18 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] close(13 [pid 313] newfstatat(AT_FDCWD, "./230/cgroup" [pid 1435] mkdirat(AT_FDCWD, "./config", 0777 [pid 1434] close(14 [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1435] <... mkdirat resumed>) = 0 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] close(14 [pid 313] unlink("./230/cgroup" [pid 1435] mount(NULL, "./config", "configfs", 0, NULL [pid 1434] close(15 [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1435] <... mount resumed>) = 0 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1433] close(15 [pid 1434] close(16 [pid 313] getdents64(3 [pid 1435] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1434] close(17 [pid 1433] close(16 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1435] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1435] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1434] close(18 [pid 1433] close(17 [pid 313] <... close resumed>) = 0 [pid 1435] <... mkdirat resumed>) = 0 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1434] close(19 [pid 1433] close(18 [pid 313] rmdir("./230" [pid 1435] <... symlinkat resumed>) = 0 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1434] close(20 [pid 1433] close(19 [pid 313] <... rmdir resumed>) = 0 [pid 1435] <... unlinkat resumed>) = 0 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1434] close(21 [pid 1433] close(20 [pid 313] mkdir("./231", 0777 [pid 1435] <... unlinkat resumed>) = 0 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1434] close(22 [pid 313] <... mkdir resumed>) = 0 [pid 1435] close(3 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] close(21 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1434] close(23 [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1435] close(4 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] close(22 [pid 1434] close(24 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] close(5 [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1434] close(25 [pid 1433] close(23ci2-android-5-15/strace-static-x86_64: Process 1436 attached [pid 1436] set_robust_list(0x55555bb49760, 24 [pid 1435] close(6 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 233 [pid 1436] <... set_robust_list resumed>) = 0 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1434] close(26 [pid 1433] close(24 [pid 1436] rt_sigprocmask(SIG_SETMASK, [] [pid 1435] close(7 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./222", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1434] close(27 [pid 1433] close(25 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1436] chdir("./231" [pid 1435] close(8 [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1436] <... chdir resumed>) = 0 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1434] close(28 [pid 1433] close(26 [pid 311] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1436] setpgid(0, 0) = 0 [pid 1435] close(9 [pid 1436] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1436] <... symlink resumed>) = 0 [pid 1435] close(10 [pid 1434] close(29 [pid 1433] close(27 [pid 311] fstat(3 [pid 1436] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1436] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1435] close(11 [pid 1436] <... symlink resumed>) = 0 [pid 1434] exit_group(0 [pid 1433] close(28 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1435] close(12 [pid 1434] <... exit_group resumed>) = ? [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1436] <... openat resumed>) = 3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1436] write(3, "1000", 4 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1436] <... write resumed>) = 4 [pid 1436] close(3) = 0 [pid 1436] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1436] write(1, "executing program\n", 18 [pid 1434] +++ exited with 0 +++ [pid 1436] <... write resumed>) = 18 executing program [pid 1435] close(13 [pid 1433] close(29 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] mkdirat(AT_FDCWD, "./config", 0777 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1436] <... mkdirat resumed>) = 0 [pid 1435] close(14 [pid 311] <... umount2 resumed>) = 0 [pid 1436] mount(NULL, "./config", "configfs", 0, NULL [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1433] exit_group(0 [pid 311] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] <... mount resumed>) = 0 [pid 1435] close(15 [pid 1433] <... exit_group resumed>) = ? [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1436] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1436] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1436] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1436] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1436] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1433] +++ exited with 0 +++ [pid 311] newfstatat(AT_FDCWD, "./222/config" [pid 1436] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1435] close(16 [pid 1436] <... unlinkat resumed>) = 0 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1436] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1435] close(17 [pid 1436] <... unlinkat resumed>) = 0 [pid 311] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1436] close(3) = -1 EBADF (Bad file descriptor) [pid 1435] close(18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1436] close(4 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./222/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] close(19 [pid 1436] close(5 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./219", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 1436] close(6 [pid 1435] close(20 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./227", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] close(7 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 310] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] close(21 [pid 312] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1436] close(8 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 311] getdents64(4 [pid 310] <... openat resumed>) = 3 [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] close(22 [pid 312] fstat(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 1436] close(9 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] close(23 [pid 312] getdents64(3 [pid 311] close(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1436] close(10 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... close resumed>) = 0 [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] close(11 [pid 1435] close(24 [pid 312] <... umount2 resumed>) = 0 [pid 311] rmdir("./222/config" [pid 310] getdents64(3 [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] close(12 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] close(25 [pid 312] newfstatat(AT_FDCWD, "./227/config" [pid 311] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1436] close(13 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./222/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] close(26 [pid 312] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] close(14 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./227/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./222/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 1436] close(15 [pid 1435] close(27 [pid 312] <... openat resumed>) = 4 [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1436] close(16 [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] close(28 [pid 312] getdents64(4 [pid 311] unlink("./222/binderfs" [pid 1436] close(17 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./219/config" [pid 1436] close(18 [pid 1435] close(29 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] umount2("./222/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1436] close(19 [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] exit_group(0 [pid 312] rmdir("./227/config" [pid 311] newfstatat(AT_FDCWD, "./222/cgroup.net" [pid 310] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] close(20 [pid 1435] <... exit_group resumed>) = ? [pid 312] <... rmdir resumed>) = 0 [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./227/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./227/binderfs" [pid 1436] close(22 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./227/binderfs" [pid 1436] close(23 [pid 312] <... unlink resumed>) = 0 [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1435] +++ exited with 0 +++ [pid 312] umount2("./227/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./219/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./227/cgroup.net" [pid 311] unlink("./222/cgroup.net" [pid 1436] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./227/cgroup.net" [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1436] close(26 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./222/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./227/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1436] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./227/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./222/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1436] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./227/cgroup.cpu" [pid 311] unlink("./222/cgroup.cpu" [pid 1436] close(29 [pid 312] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./227/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] close(4 [pid 1436] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./222/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1436] <... exit_group resumed>) = ? [pid 312] newfstatat(AT_FDCWD, "./227/cgroup" [pid 310] <... close resumed>) = 0 [pid 1436] +++ exited with 0 +++ [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./227/cgroup") = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] close(3 [pid 310] rmdir("./219/config" [pid 309] <... restart_syscall resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./222/cgroup" [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] rmdir("./227" [pid 310] <... rmdir resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./219/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] mkdir("./228", 0777 [pid 311] unlink("./222/cgroup" [pid 312] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./218", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./219/binderfs" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1437 attached [pid 311] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1437] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 230 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./219/binderfs" [pid 1437] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rmdir("./222" [pid 309] <... openat resumed>) = 3 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1437] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 1437] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] mkdir("./223", 0777 [pid 310] umount2("./219/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1437] chdir("./228" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./219/cgroup.net" [pid 309] getdents64(3 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1437] <... chdir resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] unlink("./219/cgroup.net" [pid 1437] <... prctl resumed>) = 0 [pid 309] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1438 attached [pid 1438] set_robust_list(0x55555bb49760, 24 [pid 1437] setpgid(0, 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 225 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1438] <... set_robust_list resumed>) = 0 [pid 1437] <... setpgid resumed>) = 0 [pid 1438] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./219/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1438] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1437] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1438] chdir("./223" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1438] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1438] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1437] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./219/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./218/config" [pid 1438] <... prctl resumed>) = 0 [pid 1437] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1438] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1438] <... setpgid resumed>) = 0 [pid 1438] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1437] <... symlink resumed>) = 0 [pid 310] unlink("./219/cgroup.cpu" [pid 309] umount2("./218/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1438] <... symlink resumed>) = 0 [pid 1437] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1438] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 1437] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1438] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] openat(AT_FDCWD, "./218/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1438] <... symlink resumed>) = 0 [pid 310] umount2("./219/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1437] <... openat resumed>) = 3 [pid 1438] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 1438] write(3, "1000", 4 [pid 1437] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./219/cgroup" [pid 1438] <... write resumed>) = 4 [pid 1437] <... write resumed>) = 4 [pid 309] fstat(4 [pid 1438] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1438] <... close resumed>) = 0 [pid 1437] close(3 [pid 310] unlink("./219/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1438] symlink("/dev/binderfs", "./binderfs" [pid 1437] <... close resumed>) = 0 [pid 1438] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1437] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(4 [pid 1438] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 1438] <... write resumed>) = 18 [pid 1437] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 executing program [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1438] mkdirat(AT_FDCWD, "./config", 0777 [pid 1437] write(1, "executing program\n", 18 [pid 310] close(3 [pid 309] getdents64(4 [pid 1438] <... mkdirat resumed>) = 0 [pid 1437] <... write resumed>) = 18 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1438] mount(NULL, "./config", "configfs", 0, NULL) = 0 executing program [pid 1437] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] rmdir("./219" [pid 1438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... restart_syscall resumed>) = 0 [pid 309] close(4 [pid 1438] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1437] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1437] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... close resumed>) = 0 [pid 1438] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./220", 0777 [pid 1438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1437] <... mount resumed>) = 0 [pid 1438] <... mkdirat resumed>) = 0 [pid 313] umount2("./231", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 309] rmdir("./218/config" [pid 1438] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1437] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1438] <... symlinkat resumed>) = 0 [pid 1437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1438] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1437] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./218/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1438] <... unlinkat resumed>) = 0 [pid 1437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] fstat(3 [pid 1438] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 ci2-android-5-15/strace-static-x86_64: Process 1439 attached [pid 1438] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1439] set_robust_list(0x55555bb49760, 24 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1439] <... set_robust_list resumed>) = 0 [pid 1438] close(4 [pid 1437] <... mkdirat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 222 [pid 309] newfstatat(AT_FDCWD, "./218/binderfs" [pid 1439] rt_sigprocmask(SIG_SETMASK, [] [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1439] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1438] close(5 [pid 1437] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] getdents64(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1439] chdir("./220" [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] <... symlinkat resumed>) = 0 [pid 1439] <... chdir resumed>) = 0 [pid 1438] close(6 [pid 1437] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./218/binderfs" [pid 1439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1439] <... prctl resumed>) = 0 [pid 1438] close(7 [pid 1437] <... unlinkat resumed>) = 0 [pid 313] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1439] setpgid(0, 0 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... unlink resumed>) = 0 [pid 1439] <... setpgid resumed>) = 0 [pid 1438] close(8 [pid 313] <... umount2 resumed>) = 0 [pid 1439] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1439] <... symlink resumed>) = 0 [pid 1438] close(9 [pid 1437] <... unlinkat resumed>) = 0 [pid 313] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./218/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 1439] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1439] <... symlink resumed>) = 0 [pid 1438] close(10 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./231/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1439] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(4 [pid 1439] <... symlink resumed>) = 0 [pid 1438] close(11 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./218/cgroup.net" [pid 1439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(5 [pid 1439] <... openat resumed>) = 3 [pid 1438] close(12 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1439] write(3, "1000", 4 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(6 [pid 1439] <... write resumed>) = 4 [pid 1438] close(13 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./218/cgroup.net" [pid 1439] close(3 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(7 [pid 313] openat(AT_FDCWD, "./231/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1439] <... close resumed>) = 0 [pid 1438] close(14 [pid 1439] symlink("/dev/binderfs", "./binderfs" [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 1439] <... symlink resumed>) = 0 [pid 1438] close(15 [pid 1437] close(8 [pid 313] fstat(4 [pid 1439] write(1, "executing program\n", 18 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./218/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1439] <... write resumed>) = 18 [pid 1438] close(16 [pid 1437] close(9 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1439] mkdirat(AT_FDCWD, "./config", 0777 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1439] <... mkdirat resumed>) = 0 [pid 1438] close(17 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./218/cgroup.cpu" [pid 1439] mount(NULL, "./config", "configfs", 0, NULL [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(10 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1439] <... mount resumed>) = 0 [pid 1438] close(18 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(11 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] unlink("./218/cgroup.cpu" [pid 1439] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1438] close(19 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1439] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1438] close(20 [pid 1437] close(12 [pid 313] <... close resumed>) = 0 [pid 309] umount2("./218/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./231/config" [pid 1439] <... mkdirat resumed>) = 0 [pid 1438] close(21 [pid 1437] close(13 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1439] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./218/cgroup" [pid 1439] <... symlinkat resumed>) = 0 [pid 1438] close(22 [pid 1439] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1439] <... unlinkat resumed>) = 0 [pid 1438] close(23 [pid 1437] close(14 [pid 313] umount2("./231/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1439] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1439] <... unlinkat resumed>) = 0 [pid 1438] close(24 [pid 1437] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./218/cgroup" [pid 1439] close(3 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1438] close(25 [pid 313] newfstatat(AT_FDCWD, "./231/binderfs" [pid 1439] close(4 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(16 [pid 309] <... unlink resumed>) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1438] close(26 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1439] close(5 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1438] close(27 [pid 1439] close(6 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(17 [pid 313] unlink("./231/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1438] close(28 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1439] close(7 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(18 [pid 313] <... unlink resumed>) = 0 [pid 309] close(3 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1438] close(29 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./231/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1439] close(8 [pid 1438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(19 [pid 309] <... close resumed>) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1438] exit_group(0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1439] close(9 [pid 1438] <... exit_group resumed>) = ? [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1438] +++ exited with 0 +++ [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./231/cgroup.net" [pid 309] rmdir("./218" [pid 1439] close(10 [pid 1437] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./231/cgroup.net" [pid 309] <... rmdir resumed>) = 0 [pid 1439] close(11 [pid 1437] close(21 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] mkdir("./219", 0777 [pid 1439] close(12 [pid 1437] close(22 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./231/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1439] close(13 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1439] close(14 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./231/cgroup.cpu" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1439] close(15 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./231/cgroup.cpu" [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1439] close(16) = -1 EBADF (Bad file descriptor) [pid 1439] close(17) = -1 EBADF (Bad file descriptor) [pid 1439] close(18) = -1 EBADF (Bad file descriptor) [pid 1439] close(19) = -1 EBADF (Bad file descriptor) [pid 1439] close(20) = -1 EBADF (Bad file descriptor) [pid 1439] close(21ci2-android-5-15/strace-static-x86_64: Process 1440 attached ) = -1 EBADF (Bad file descriptor) [pid 1437] close(25 [pid 313] <... unlink resumed>) = 0 [pid 1440] set_robust_list(0x55555bb49760, 24 [pid 1439] close(22 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./231/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 221 [pid 1440] <... set_robust_list resumed>) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1440] rt_sigprocmask(SIG_SETMASK, [] [pid 1439] close(23 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./231/cgroup" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1440] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1440] chdir("./219" [pid 1439] close(24 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./231/cgroup" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1440] <... chdir resumed>) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(28 [pid 1440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1439] close(25 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1440] <... prctl resumed>) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] close(29 [pid 313] getdents64(3 [pid 1440] setpgid(0, 0 [pid 1439] close(26 [pid 1437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1440] <... setpgid resumed>) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1439] close(27 [pid 1437] exit_group(0 [pid 313] close(3 [pid 1440] <... symlink resumed>) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1437] <... exit_group resumed>) = ? [pid 1440] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1439] close(28 [pid 313] <... close resumed>) = 0 [pid 1440] <... symlink resumed>) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1439] close(29 [pid 1440] <... symlink resumed>) = 0 [pid 1439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1439] exit_group(0 [pid 1437] +++ exited with 0 +++ [pid 313] rmdir("./231" [pid 1440] <... openat resumed>) = 3 [pid 1439] <... exit_group resumed>) = ? [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1440] write(3, "1000", 4 [pid 1439] +++ exited with 0 +++ [pid 313] <... rmdir resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1440] <... write resumed>) = 4 [pid 313] mkdir("./232", 0777 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1440] close(3) = 0 [pid 1440] symlink("/dev/binderfs", "./binderfs") = 0 [pid 313] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1440] write(1, "executing program\n", 18 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1440] <... write resumed>) = 18 executing program [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1440] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1440] <... mkdirat resumed>) = 0 [pid 311] umount2("./223", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1440] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1440] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1440] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-5-15/strace-static-x86_64: Process 1441 attached ) = -1 EEXIST (File exists) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1441] set_robust_list(0x55555bb49760, 24 [pid 1440] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 234 [pid 311] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1441] <... set_robust_list resumed>) = 0 [pid 1440] <... mkdirat resumed>) = 0 [pid 1441] rt_sigprocmask(SIG_SETMASK, [] [pid 1440] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... openat resumed>) = 3 [pid 1441] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1440] <... symlinkat resumed>) = 0 [pid 1441] chdir("./232" [pid 1440] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1441] <... chdir resumed>) = 0 [pid 1440] <... unlinkat resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] fstat(3 [pid 1441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1440] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1441] <... prctl resumed>) = 0 [pid 1440] <... unlinkat resumed>) = 0 [pid 1441] setpgid(0, 0 [pid 1440] close(3 [pid 311] getdents64(3 [pid 1441] <... setpgid resumed>) = 0 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1441] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1440] close(4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1441] <... symlink resumed>) = 0 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1441] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1440] close(5 [pid 311] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1441] <... symlink resumed>) = 0 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1441] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1440] close(6 [pid 1441] <... symlink resumed>) = 0 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 1441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1440] close(7 [pid 311] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1441] <... openat resumed>) = 3 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1441] write(3, "1000", 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1440] close(8 [pid 1441] <... write resumed>) = 4 [pid 1441] close(3 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./223/config" [pid 1441] <... close resumed>) = 0 [pid 1440] close(9 [pid 1441] symlink("/dev/binderfs", "./binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1441] <... symlink resumed>) = 0 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1441] write(1, "executing program\n", 18) = 18 [pid 1440] close(10 executing program [pid 311] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1441] mkdirat(AT_FDCWD, "./config", 0777 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1441] <... mkdirat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1441] mount(NULL, "./config", "configfs", 0, NULL [pid 1440] close(11 [pid 311] openat(AT_FDCWD, "./223/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1441] <... mount resumed>) = 0 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1441] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1440] close(12 [pid 311] <... openat resumed>) = 4 [pid 1441] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 1441] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1441] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1440] close(13 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1441] <... mkdirat resumed>) = 0 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1441] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] getdents64(4 [pid 1440] close(14 [pid 1441] <... symlinkat resumed>) = 0 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1441] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1440] close(15 [pid 311] getdents64(4 [pid 1441] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1441] <... unlinkat resumed>) = 0 [pid 1441] close(3) = -1 EBADF (Bad file descriptor) [pid 1441] close(4) = -1 EBADF (Bad file descriptor) [pid 1441] close(5 [pid 1440] close(16 [pid 311] close(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1441] close(6 [pid 1440] close(17 [pid 311] rmdir("./223/config" [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1441] close(7 [pid 1440] close(18 [pid 311] <... rmdir resumed>) = 0 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./223/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./220", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1441] close(8 [pid 1440] close(19 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./223/binderfs" [pid 310] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1441] close(9 [pid 1440] close(20 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./223/binderfs" [pid 310] <... openat resumed>) = 3 [pid 1441] close(10 [pid 1440] close(21 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./228", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 1441] close(11 [pid 1440] close(22 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./223/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1441] close(12 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] close(23 [pid 312] fstat(3 [pid 311] newfstatat(AT_FDCWD, "./223/cgroup.net" [pid 1441] close(13 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1441] close(14 [pid 1440] close(24 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] unlink("./223/cgroup.net" [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1441] close(15 [pid 310] <... umount2 resumed>) = 0 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] close(25 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1441] close(16 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./223/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./220/config" [pid 1441] close(17 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./228/config" [pid 311] newfstatat(AT_FDCWD, "./223/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] close(27 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1441] close(18 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./223/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./220/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1441] close(19 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./228/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./223/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] close(29 [pid 312] <... openat resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 1441] close(20 [pid 1440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 311] newfstatat(AT_FDCWD, "./223/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1440] exit_group(0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 1441] close(21 [pid 1440] <... exit_group resumed>) = ? [pid 312] getdents64(4 [pid 311] unlink("./223/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 1441] close(22 [pid 312] getdents64(4 [pid 311] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 1441] close(23 [pid 1440] +++ exited with 0 +++ [pid 312] close(4 [pid 311] close(3 [pid 310] <... close resumed>) = 0 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] rmdir("./220/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1441] close(24 [pid 312] rmdir("./228/config" [pid 311] rmdir("./223" [pid 310] <... rmdir resumed>) = 0 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./220/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1441] close(25 [pid 312] umount2("./228/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] mkdir("./224", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./220/binderfs" [pid 1441] close(26 [pid 312] newfstatat(AT_FDCWD, "./228/binderfs" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./220/binderfs" [pid 1441] close(27 [pid 312] unlink("./228/binderfs" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1442 attached [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./220/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1442] set_robust_list(0x55555bb49760, 24 [pid 1441] close(28 [pid 312] umount2("./228/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 226 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1442] <... set_robust_list resumed>) = 0 [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./220/cgroup.net" [pid 1441] close(29 [pid 312] newfstatat(AT_FDCWD, "./228/cgroup.net" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1442] rt_sigprocmask(SIG_SETMASK, [] [pid 1441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./220/cgroup.net" [pid 1442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1441] exit_group(0 [pid 312] unlink("./228/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 1442] chdir("./224" [pid 1441] <... exit_group resumed>) = ? [pid 310] umount2("./220/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1442] <... chdir resumed>) = 0 [pid 1441] +++ exited with 0 +++ [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 1442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./228/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./220/cgroup.cpu" [pid 1442] <... prctl resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1442] setpgid(0, 0 [pid 312] newfstatat(AT_FDCWD, "./228/cgroup.cpu" [pid 310] unlink("./220/cgroup.cpu" [pid 1442] <... setpgid resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1442] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 312] unlink("./228/cgroup.cpu" [pid 310] umount2("./220/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./219", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1442] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./220/cgroup" [pid 312] <... unlink resumed>) = 0 [pid 1442] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1442] <... symlink resumed>) = 0 [pid 312] umount2("./228/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./220/cgroup" [pid 1442] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 1442] <... symlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./228/cgroup" [pid 310] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./220" [pid 309] fstat(3 [pid 1442] <... openat resumed>) = 3 [pid 312] unlink("./228/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1442] write(3, "1000", 4 [pid 310] mkdir("./221", 0777 [pid 1442] <... write resumed>) = 4 [pid 312] <... unlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 1442] close(3 [pid 312] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1442] <... close resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1442] symlink("/dev/binderfs", "./binderfs" [pid 312] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1442] <... symlink resumed>) = 0 [pid 312] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1443 attached [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 223 [pid 1443] set_robust_list(0x55555bb49760, 24 [pid 1442] write(1, "executing program\n", 18 [pid 312] rmdir("./228" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = 0 [pid 1443] <... set_robust_list resumed>) = 0 [pid 1442] <... write resumed>) = 18 [pid 312] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1443] rt_sigprocmask(SIG_SETMASK, [] [pid 1442] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1443] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] mkdir("./229", 0777 [pid 1442] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./219/config" [pid 312] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1443] chdir("./221" [pid 309] umount2("./219/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1443] <... chdir resumed>) = 0 [pid 1442] mount(NULL, "./config", "configfs", 0, NULL [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1443] <... prctl resumed>) = 0 [pid 1442] <... mount resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] openat(AT_FDCWD, "./219/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1443] setpgid(0, 0 [pid 1442] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1443] <... setpgid resumed>) = 0 [pid 1442] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 1444 attached [pid 1442] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1443] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 309] fstat(4 [pid 1444] set_robust_list(0x55555bb49760, 24 [pid 1442] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 231 [pid 1444] <... set_robust_list resumed>) = 0 [pid 1443] <... symlink resumed>) = 0 [pid 1442] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1444] rt_sigprocmask(SIG_SETMASK, [] [pid 1443] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1444] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1444] chdir("./229" [pid 1442] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 1444] <... chdir resumed>) = 0 [pid 1443] <... symlink resumed>) = 0 [pid 1442] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1443] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1444] <... prctl resumed>) = 0 [pid 1442] <... symlinkat resumed>) = 0 [pid 1444] setpgid(0, 0 [pid 1443] <... symlink resumed>) = 0 [pid 1442] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] umount2("./232", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1444] <... setpgid resumed>) = 0 [pid 1443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1444] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1444] <... symlink resumed>) = 0 [pid 1442] <... unlinkat resumed>) = 0 [pid 1444] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1443] <... openat resumed>) = 3 [pid 1442] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 1444] <... symlink resumed>) = 0 [pid 1443] write(3, "1000", 4 [pid 1444] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1442] <... unlinkat resumed>) = 0 [pid 1444] <... symlink resumed>) = 0 [pid 1443] <... write resumed>) = 4 [pid 1442] close(3 [pid 313] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 1444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1443] close(3 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 309] rmdir("./219/config" [pid 1444] write(3, "1000", 4 [pid 1443] <... close resumed>) = 0 [pid 1442] close(4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1444] <... write resumed>) = 4 [pid 1443] symlink("/dev/binderfs", "./binderfs" [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1444] close(3 [pid 313] getdents64(3 [pid 1444] <... close resumed>) = 0 [pid 1443] <... symlink resumed>) = 0 [pid 1442] close(5 [pid 309] umount2("./219/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1444] symlink("/dev/binderfs", "./binderfs" [pid 1443] write(1, "executing program\n", 18 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 executing program [pid 1444] <... symlink resumed>) = 0 [pid 1443] <... write resumed>) = 18 [pid 1442] close(6 [pid 313] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1444] write(1, "executing program\n", 18) = 18 [pid 1444] mkdirat(AT_FDCWD, "./config", 0777 [pid 1443] mkdirat(AT_FDCWD, "./config", 0777 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1444] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./219/binderfs" [pid 1444] mount(NULL, "./config", "configfs", 0, NULL [pid 1443] <... mkdirat resumed>) = 0 [pid 1442] close(7 [pid 1444] <... mount resumed>) = 0 executing program [pid 1443] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1443] <... mount resumed>) = 0 [pid 1442] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./219/binderfs" [pid 1444] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./232/config" [pid 1444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 1444] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1442] close(9 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./219/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1444] <... mkdirat resumed>) = 0 [pid 1443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1442] close(10 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1444] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./219/cgroup.net" [pid 1444] <... symlinkat resumed>) = 0 [pid 1443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1442] close(11 [pid 313] openat(AT_FDCWD, "./232/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1444] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1443] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1444] <... unlinkat resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 1444] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1443] <... symlinkat resumed>) = 0 [pid 1444] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1443] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1442] close(12 [pid 313] fstat(4 [pid 309] unlink("./219/cgroup.net" [pid 1444] close(3 [pid 1443] <... unlinkat resumed>) = 0 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1442] close(13 [pid 309] <... unlink resumed>) = 0 [pid 313] getdents64(4 [pid 1444] close(4) = -1 EBADF (Bad file descriptor) [pid 1444] close(5 [pid 1443] <... unlinkat resumed>) = 0 [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] close(3 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./219/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1444] close(6 [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] close(14 [pid 313] getdents64(4 [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1444] close(7 [pid 1443] close(4 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] close(15 [pid 313] close(4 [pid 309] newfstatat(AT_FDCWD, "./219/cgroup.cpu" [pid 1444] close(8 [pid 1443] close(5 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] close(16 [pid 313] rmdir("./232/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1444] close(9 [pid 1443] close(6 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] close(17 [pid 313] <... rmdir resumed>) = 0 [pid 309] unlink("./219/cgroup.cpu" [pid 1444] close(10 [pid 1443] close(7 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./232/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] close(18 [pid 309] <... unlink resumed>) = 0 [pid 1444] close(11 [pid 1443] close(8 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./219/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] close(19 [pid 313] newfstatat(AT_FDCWD, "./232/binderfs" [pid 1444] close(12 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] close(9 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./219/cgroup" [pid 1444] close(13 [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] close(20 [pid 313] unlink("./232/binderfs" [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1444] close(14 [pid 1443] close(10 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1442] close(21 [pid 309] unlink("./219/cgroup" [pid 1444] close(15 [pid 1443] close(11 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./232/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] close(22 [pid 309] <... unlink resumed>) = 0 [pid 1444] close(16 [pid 1443] close(12 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] close(23 [pid 313] newfstatat(AT_FDCWD, "./232/cgroup.net" [pid 1444] close(17 [pid 1443] close(13 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 1444] close(18 [pid 1443] close(14 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./232/cgroup.net" [pid 309] <... close resumed>) = 0 [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1444] close(19) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] close(25 [pid 1444] close(20 [pid 1443] close(15 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] rmdir("./219" [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] close(26 [pid 313] umount2("./232/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1444] close(21 [pid 1443] close(16 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./220", 0777 [pid 1444] close(22 [pid 1443] close(17 [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./232/cgroup.cpu" [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1444] close(23 [pid 1443] close(18 [pid 1442] close(28 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./232/cgroup.cpu" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1444] close(24 [pid 1443] close(19 [pid 1442] close(29 [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1444] close(25) = -1 EBADF (Bad file descriptor) [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1444] close(26 [pid 1443] close(20 [pid 1444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] exit_group(0 [pid 1444] close(27) = -1 EBADF (Bad file descriptor) [pid 1444] close(28) = -1 EBADF (Bad file descriptor) [pid 1444] close(29) = -1 EBADF (Bad file descriptor) [pid 1444] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1445 attached [pid 1444] +++ exited with 0 +++ [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1442] <... exit_group resumed>) = ? [pid 313] umount2("./232/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1445] set_robust_list(0x55555bb49760, 24 [pid 1443] close(21 [pid 1445] <... set_robust_list resumed>) = 0 [pid 1445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1445] chdir("./220") = 0 [pid 1442] +++ exited with 0 +++ [pid 1445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 222 [pid 1445] <... prctl resumed>) = 0 [pid 1443] close(22 [pid 313] newfstatat(AT_FDCWD, "./232/cgroup" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1445] setpgid(0, 0 [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1445] <... setpgid resumed>) = 0 [pid 1443] close(23 [pid 313] unlink("./232/cgroup" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1445] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 1445] <... symlink resumed>) = 0 [pid 1443] close(24 [pid 313] <... unlink resumed>) = 0 [pid 1445] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] umount2("./224", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1445] <... symlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1443] close(25 [pid 1445] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 311] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] getdents64(3 [pid 1445] <... symlink resumed>) = 0 [pid 1443] close(26 [pid 313] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1443] close(27 [pid 1445] <... openat resumed>) = 3 [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./232" [pid 311] <... umount2 resumed>) = 0 [pid 1445] write(3, "1000", 4 [pid 1443] close(28 [pid 311] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1445] <... write resumed>) = 4 [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1445] close(3 [pid 1443] close(29 [pid 313] mkdir("./233", 0777 [pid 311] newfstatat(AT_FDCWD, "./224/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1445] <... close resumed>) = 0 [pid 1443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1445] symlink("/dev/binderfs", "./binderfs" [pid 1443] exit_group(0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] openat(AT_FDCWD, "./224/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1445] <... symlink resumed>) = 0 [pid 1443] <... exit_group resumed>) = ? [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... openat resumed>) = 4 [pid 1445] write(1, "executing program\n", 18 [pid 311] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] close(4) = 0 [pid 311] rmdir("./224/config" [pid 1443] +++ exited with 0 +++ [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rmdir resumed>) = 0 [pid 1445] <... write resumed>) = 18 [pid 311] umount2("./224/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] newfstatat(AT_FDCWD, "./224/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1446 attached executing program [pid 1445] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1446] set_robust_list(0x55555bb49760, 24 [pid 311] unlink("./224/binderfs" [pid 1445] <... mkdirat resumed>) = 0 [pid 1446] <... set_robust_list resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 235 [pid 311] <... unlink resumed>) = 0 [pid 1445] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... restart_syscall resumed>) = 0 [pid 1446] rt_sigprocmask(SIG_SETMASK, [] [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./224/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1446] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1445] <... mount resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1446] chdir("./233" [pid 1445] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] newfstatat(AT_FDCWD, "./224/cgroup.net" [pid 310] umount2("./221", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1446] <... chdir resumed>) = 0 [pid 1445] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1445] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] unlink("./224/cgroup.net" [pid 310] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1446] <... prctl resumed>) = 0 [pid 1445] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1446] setpgid(0, 0 [pid 1445] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] umount2("./224/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 1446] <... setpgid resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1445] <... mkdirat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./224/cgroup.cpu" [pid 310] getdents64(3 [pid 1446] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1445] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1446] <... symlink resumed>) = 0 [pid 311] unlink("./224/cgroup.cpu" [pid 310] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1446] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1445] <... symlinkat resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1446] <... symlink resumed>) = 0 [pid 1445] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] umount2("./224/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1446] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1446] <... symlink resumed>) = 0 [pid 1445] <... unlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./224/cgroup" [pid 310] newfstatat(AT_FDCWD, "./221/config" [pid 1446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1445] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1446] <... openat resumed>) = 3 [pid 311] unlink("./224/cgroup" [pid 310] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1446] write(3, "1000", 4 [pid 1445] <... unlinkat resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1446] <... write resumed>) = 4 [pid 1445] close(3 [pid 311] getdents64(3 [pid 310] openat(AT_FDCWD, "./221/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1446] close(3 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./229", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 4 [pid 1446] <... close resumed>) = 0 [pid 1445] close(4 [pid 311] close(3 [pid 310] fstat(4 [pid 1446] symlink("/dev/binderfs", "./binderfs" [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1446] <... symlink resumed>) = 0 [pid 1445] close(5 [pid 312] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rmdir("./224" [pid 310] getdents64(4 [pid 1446] write(1, "executing program\n", 18 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 311] <... rmdir resumed>) = 0 executing program [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1446] <... write resumed>) = 18 [pid 1445] close(6 [pid 312] fstat(3 [pid 311] mkdir("./225", 0777 [pid 310] getdents64(4 [pid 1446] mkdirat(AT_FDCWD, "./config", 0777 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1446] <... mkdirat resumed>) = 0 [pid 1445] close(7 [pid 312] getdents64(3 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(4 [pid 1446] mount(NULL, "./config", "configfs", 0, NULL [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... close resumed>) = 0 [pid 1446] <... mount resumed>) = 0 [pid 1445] close(8 [pid 312] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./221/config"ci2-android-5-15/strace-static-x86_64: Process 1447 attached [pid 1446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1447] set_robust_list(0x55555bb49760, 24 [pid 1446] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1445] close(9 [pid 312] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 227 [pid 310] umount2("./221/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1447] <... set_robust_list resumed>) = 0 [pid 1446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./221/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./221/binderfs" [pid 1447] rt_sigprocmask(SIG_SETMASK, [] [pid 312] newfstatat(AT_FDCWD, "./229/config" [pid 310] <... unlink resumed>) = 0 [pid 1447] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1446] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1445] close(10 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./221/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1447] chdir("./225" [pid 1446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1447] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./221/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1446] <... mkdirat resumed>) = 0 [pid 310] unlink("./221/cgroup.net" [pid 1447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1446] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1445] close(11 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1447] <... prctl resumed>) = 0 [pid 310] umount2("./221/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1447] setpgid(0, 0 [pid 1446] <... symlinkat resumed>) = 0 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./229/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1447] <... setpgid resumed>) = 0 [pid 1446] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1445] close(12 [pid 310] newfstatat(AT_FDCWD, "./221/cgroup.cpu" [pid 312] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1447] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./221/cgroup.cpu" [pid 1447] <... symlink resumed>) = 0 [pid 1446] <... unlinkat resumed>) = 0 [pid 1445] close(13 [pid 312] fstat(4 [pid 310] <... unlink resumed>) = 0 [pid 1447] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1446] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] umount2("./221/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./221/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1447] <... symlink resumed>) = 0 [pid 310] unlink("./221/cgroup" [pid 1446] <... unlinkat resumed>) = 0 [pid 1445] close(14 [pid 310] <... unlink resumed>) = 0 [pid 1447] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1446] close(3 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] getdents64(3 [pid 1447] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1445] close(15 [pid 1447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] close(3 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1447] <... openat resumed>) = 3 [pid 1446] close(4 [pid 1445] close(16 [pid 312] getdents64(4 [pid 310] rmdir("./221" [pid 1447] write(3, "1000", 4 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1447] <... write resumed>) = 4 [pid 1446] close(5 [pid 1445] close(17 [pid 312] close(4 [pid 310] mkdir("./222", 0777 [pid 1447] close(3 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1447] <... close resumed>) = 0 [pid 1446] close(6 [pid 1445] close(18 [pid 312] rmdir("./229/config" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1447] symlink("/dev/binderfs", "./binderfs" [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1447] <... symlink resumed>) = 0 [pid 1446] close(7 [pid 1445] close(19 [pid 312] umount2("./229/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1448 attached [pid 1447] write(1, "executing program\n", 18 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 224 executing program [pid 1448] set_robust_list(0x55555bb49760, 24 [pid 1447] <... write resumed>) = 18 [pid 1446] close(8 [pid 1445] close(20 [pid 312] newfstatat(AT_FDCWD, "./229/binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1448] <... set_robust_list resumed>) = 0 [pid 1447] mkdirat(AT_FDCWD, "./config", 0777 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1448] rt_sigprocmask(SIG_SETMASK, [] [pid 1447] <... mkdirat resumed>) = 0 [pid 1446] close(9 [pid 1448] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1447] mount(NULL, "./config", "configfs", 0, NULL [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1445] close(21 [pid 312] unlink("./229/binderfs" [pid 1448] chdir("./222" [pid 1447] <... mount resumed>) = 0 [pid 1446] close(10 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1448] <... chdir resumed>) = 0 [pid 1447] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1446] close(11 [pid 1445] close(22 [pid 312] umount2("./229/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1447] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... prctl resumed>) = 0 [pid 1447] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1446] close(12 [pid 1445] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1448] setpgid(0, 0 [pid 1447] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./229/cgroup.net" [pid 1448] <... setpgid resumed>) = 0 [pid 1446] close(13 [pid 1445] close(24 [pid 1448] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1447] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... symlink resumed>) = 0 [pid 1447] <... mkdirat resumed>) = 0 [pid 1446] close(14 [pid 312] unlink("./229/cgroup.net" [pid 1448] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1447] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1445] close(25 [pid 1448] <... symlink resumed>) = 0 [pid 1446] close(15 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1447] <... symlinkat resumed>) = 0 [pid 1445] close(26 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1447] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1446] close(16 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./229/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1448] <... symlink resumed>) = 0 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1445] close(27 [pid 1447] <... unlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1446] close(17 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1447] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1445] close(28 [pid 312] newfstatat(AT_FDCWD, "./229/cgroup.cpu" [pid 1448] <... openat resumed>) = 3 [pid 1446] close(18 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1447] <... unlinkat resumed>) = 0 [pid 1445] close(29 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] write(3, "1000", 4 [pid 1447] close(3 [pid 1445] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./229/cgroup.cpu" [pid 1446] close(19 [pid 1448] <... write resumed>) = 4 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1445] exit_group(0 [pid 312] <... unlink resumed>) = 0 executing program [pid 1448] close(3 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1445] <... exit_group resumed>) = ? [pid 312] umount2("./229/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1448] <... close resumed>) = 0 [pid 1447] close(4 [pid 1446] close(20 [pid 1445] +++ exited with 0 +++ [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] symlink("/dev/binderfs", "./binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1446] close(21 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1448] <... symlink resumed>) = 0 [pid 1447] close(5 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./229/cgroup" [pid 1448] write(1, "executing program\n", 18 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1446] close(22 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1447] close(6 [pid 1448] <... write resumed>) = 18 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1448] mkdirat(AT_FDCWD, "./config", 0777 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1446] close(23 [pid 312] unlink("./229/cgroup" [pid 1448] <... mkdirat resumed>) = 0 [pid 1447] close(7 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] mount(NULL, "./config", "configfs", 0, NULL [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1446] close(24 [pid 1448] <... mount resumed>) = 0 [pid 312] getdents64(3 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] close(8 [pid 1448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1446] close(25 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1448] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1447] close(9 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 1448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1446] close(26 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... close resumed>) = 0 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1447] close(10 [pid 1446] close(27 [pid 312] rmdir("./229" [pid 1448] <... mkdirat resumed>) = 0 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1447] close(11 [pid 1446] close(28 [pid 309] <... restart_syscall resumed>) = 0 [pid 312] mkdir("./230", 0777 [pid 1448] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 1447] close(12 [pid 1446] close(29 [pid 1448] <... symlinkat resumed>) = 0 [pid 1446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] close(13 [pid 1446] exit_group(0 [pid 1448] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1446] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./220", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1448] <... unlinkat resumed>) = 0 [pid 1447] close(14 [pid 1446] +++ exited with 0 +++ [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1448] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1447] close(15 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1448] <... unlinkat resumed>) = 0 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1449 attached [pid 1448] close(3 [pid 1447] close(16 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... openat resumed>) = 3 [pid 1449] set_robust_list(0x55555bb49760, 24 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1449] <... set_robust_list resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 232 [pid 309] fstat(3 [pid 1449] rt_sigprocmask(SIG_SETMASK, [] [pid 1448] close(4 [pid 1447] close(17 [pid 1449] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1449] chdir("./230" [pid 1448] close(5 [pid 1447] close(18 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1449] <... chdir resumed>) = 0 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1448] close(6 [pid 1447] close(19 [pid 1449] <... prctl resumed>) = 0 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1449] setpgid(0, 0) = 0 [pid 1448] close(7 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1449] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] close(20 [pid 1449] <... symlink resumed>) = 0 [pid 1448] close(8 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 1449] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] close(21 [pid 1449] <... symlink resumed>) = 0 [pid 1448] close(9 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 309] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1449] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] close(22 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1448] close(10 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1449] <... openat resumed>) = 3 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] close(23 [pid 309] newfstatat(AT_FDCWD, "./220/config" [pid 1449] write(3, "1000", 4 [pid 1448] close(11 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./233", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1449] <... write resumed>) = 4 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] close(24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1449] close(3 [pid 1448] close(12 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1449] <... close resumed>) = 0 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] close(25 [pid 313] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./220/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1449] symlink("/dev/binderfs", "./binderfs" [pid 1448] close(13 [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1449] <... symlink resumed>) = 0 executing program [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1449] write(1, "executing program\n", 18 [pid 1448] close(14 [pid 1447] close(26 [pid 313] fstat(3 [pid 309] openat(AT_FDCWD, "./220/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1449] <... write resumed>) = 18 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1449] mkdirat(AT_FDCWD, "./config", 0777 [pid 1448] close(15 [pid 1447] close(27 [pid 309] <... openat resumed>) = 4 [pid 1449] <... mkdirat resumed>) = 0 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] fstat(4 [pid 1449] mount(NULL, "./config", "configfs", 0, NULL [pid 1448] close(16 [pid 1447] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1449] <... mount resumed>) = 0 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1449] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1448] close(17 [pid 1447] close(29 [pid 1449] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 1449] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1449] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1448] close(18 [pid 1449] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1447] exit_group(0 [pid 1449] <... mkdirat resumed>) = 0 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] <... exit_group resumed>) = ? [pid 313] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1449] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1448] close(19 [pid 1449] <... symlinkat resumed>) = 0 [pid 1449] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1449] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1447] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1449] close(3 [pid 1448] close(20 [pid 313] newfstatat(AT_FDCWD, "./233/config" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(4 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1449] close(4 [pid 1448] close(21 [pid 313] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1449] close(5) = -1 EBADF (Bad file descriptor) [pid 1449] close(6 [pid 1448] close(22 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./220/config" [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./233/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1449] close(7 [pid 1448] close(23 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 309] umount2("./220/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1449] close(8 [pid 1448] close(24 [pid 313] fstat(4 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] umount2("./225", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1449] close(9 [pid 1448] close(25 [pid 313] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./220/binderfs" [pid 1449] close(10 [pid 1448] close(26 [pid 313] getdents64(4 [pid 311] <... openat resumed>) = 3 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] fstat(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1449] close(11 [pid 1448] close(27 [pid 313] close(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] unlink("./220/binderfs" [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] getdents64(3 [pid 1449] close(12 [pid 1448] close(28 [pid 313] rmdir("./233/config" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... unlink resumed>) = 0 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./220/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1449] close(13 [pid 1448] close(29 [pid 313] umount2("./233/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1449] close(14 [pid 1448] exit_group(0 [pid 313] newfstatat(AT_FDCWD, "./233/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./220/cgroup.net" [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1448] <... exit_group resumed>) = ? [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./225/config" [pid 1449] close(15 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1449] close(16 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./225/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1449] close(17 [pid 1448] +++ exited with 0 +++ [pid 313] unlink("./233/binderfs" [pid 311] <... openat resumed>) = 4 [pid 309] unlink("./220/cgroup.net" [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] fstat(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1449] close(18 [pid 313] umount2("./233/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 309] umount2("./220/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1449] close(19 [pid 313] newfstatat(AT_FDCWD, "./233/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1449] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./220/cgroup.cpu" [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./233/cgroup.net" [pid 311] close(4 [pid 1449] close(21 [pid 311] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] rmdir("./225/config" [pid 309] unlink("./220/cgroup.cpu" [pid 1449] close(22 [pid 313] umount2("./233/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./225/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1449] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./220/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./233/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./225/binderfs" [pid 1449] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./233/cgroup.cpu" [pid 311] unlink("./225/binderfs" [pid 309] newfstatat(AT_FDCWD, "./220/cgroup" [pid 1449] close(25 [pid 311] <... unlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./225/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1449] close(26 [pid 313] umount2("./233/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./225/cgroup.net" [pid 310] umount2("./222", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1449] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./220/cgroup" [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./233/cgroup" [pid 311] unlink("./225/cgroup.net" [pid 310] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1449] close(28 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./233/cgroup" [pid 311] umount2("./225/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 309] getdents64(3 [pid 1449] close(29 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./225/cgroup.cpu" [pid 310] getdents64(3 [pid 309] close(3 [pid 1449] exit_group(0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1449] <... exit_group resumed>) = ? [pid 313] close(3 [pid 311] unlink("./225/cgroup.cpu" [pid 310] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1449] +++ exited with 0 +++ [pid 313] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] rmdir("./220" [pid 313] rmdir("./233" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./225/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rmdir resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 313] mkdir("./234", 0777 [pid 311] newfstatat(AT_FDCWD, "./225/cgroup" [pid 310] newfstatat(AT_FDCWD, "./222/config" [pid 309] mkdir("./221", 0777 [pid 313] <... mkdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] unlink("./225/cgroup" [pid 310] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] getdents64(3 [pid 310] openat(AT_FDCWD, "./222/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 4 [pid 311] close(3 [pid 310] fstat(4 [pid 311] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1450 attached [pid 311] rmdir("./225" [pid 310] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1450] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 236 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1450] <... set_robust_list resumed>) = 0 [pid 311] mkdir("./226", 0777 [pid 310] getdents64(4 [pid 1450] rt_sigprocmask(SIG_SETMASK, [] [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1451 attached [pid 1450] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(4 [pid 1451] set_robust_list(0x55555bb49760, 24 [pid 1450] chdir("./234" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 223 [pid 1451] <... set_robust_list resumed>) = 0 [pid 1450] <... chdir resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./222/config"ci2-android-5-15/strace-static-x86_64: Process 1452 attached [pid 1451] rt_sigprocmask(SIG_SETMASK, [] [pid 1450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1452] set_robust_list(0x55555bb49760, 24 [pid 1451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1450] <... prctl resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 228 [pid 310] umount2("./222/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1452] <... set_robust_list resumed>) = 0 [pid 1451] chdir("./221" [pid 1450] setpgid(0, 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1451] <... chdir resumed>) = 0 [pid 1450] <... setpgid resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./222/binderfs" [pid 1452] rt_sigprocmask(SIG_SETMASK, [] [pid 1451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1450] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1452] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1451] <... prctl resumed>) = 0 [pid 1450] <... symlink resumed>) = 0 [pid 310] unlink("./222/binderfs" [pid 1452] chdir("./226" [pid 1451] setpgid(0, 0 [pid 1450] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 1452] <... chdir resumed>) = 0 [pid 1451] <... setpgid resumed>) = 0 [pid 1450] <... symlink resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] umount2("./222/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1451] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1450] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1452] <... prctl resumed>) = 0 [pid 1451] <... symlink resumed>) = 0 [pid 1450] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./222/cgroup.net" [pid 1452] setpgid(0, 0 [pid 1451] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1452] <... setpgid resumed>) = 0 [pid 1451] <... symlink resumed>) = 0 [pid 1450] <... openat resumed>) = 3 [pid 312] umount2("./230", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./222/cgroup.net" [pid 1452] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1451] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1450] write(3, "1000", 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1452] <... symlink resumed>) = 0 [pid 1451] <... symlink resumed>) = 0 [pid 1450] <... write resumed>) = 4 [pid 312] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./222/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1452] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1450] close(3 [pid 312] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1452] <... symlink resumed>) = 0 [pid 1451] <... openat resumed>) = 3 [pid 1450] <... close resumed>) = 0 [pid 312] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./222/cgroup.cpu" [pid 1452] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1451] write(3, "1000", 4 [pid 1450] symlink("/dev/binderfs", "./binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1452] <... symlink resumed>) = 0 [pid 1451] <... write resumed>) = 4 [pid 1450] <... symlink resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] unlink("./222/cgroup.cpu" [pid 1452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1451] close(3 [pid 1450] write(1, "executing program\n", 18 [pid 312] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 1452] <... openat resumed>) = 3 [pid 1451] <... close resumed>) = 0 [pid 1450] <... write resumed>) = 18 executing program [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./222/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1452] write(3, "1000", 4 [pid 1451] symlink("/dev/binderfs", "./binderfs" [pid 1450] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1452] <... write resumed>) = 4 [pid 1451] <... symlink resumed>) = 0 [pid 1450] <... mkdirat resumed>) = 0 [pid 312] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./222/cgroup" [pid 1452] close(3 [pid 1451] write(1, "executing program\n", 18 executing program [pid 1450] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1452] <... close resumed>) = 0 [pid 1451] <... write resumed>) = 18 [pid 1450] <... mount resumed>) = 0 [pid 310] unlink("./222/cgroup" [pid 1452] symlink("/dev/binderfs", "./binderfs" [pid 1451] mkdirat(AT_FDCWD, "./config", 0777 [pid 1450] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1452] <... symlink resumed>) = 0 [pid 1451] <... mkdirat resumed>) = 0 [pid 1450] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1452] write(1, "executing program\n", 18 executing program [pid 1451] mount(NULL, "./config", "configfs", 0, NULL [pid 1450] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] newfstatat(AT_FDCWD, "./230/config" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1452] <... write resumed>) = 18 [pid 1451] <... mount resumed>) = 0 [pid 1450] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 1452] mkdirat(AT_FDCWD, "./config", 0777 [pid 1451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1450] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1452] <... mkdirat resumed>) = 0 [pid 1451] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1450] <... mkdirat resumed>) = 0 [pid 310] rmdir("./222" [pid 1452] mount(NULL, "./config", "configfs", 0, NULL [pid 1451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1450] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 1452] <... mount resumed>) = 0 [pid 1451] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1450] <... symlinkat resumed>) = 0 [pid 312] openat(AT_FDCWD, "./230/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./223", 0777 [pid 1452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1450] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... openat resumed>) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 1452] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1451] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1450] <... unlinkat resumed>) = 0 [pid 312] fstat(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1451] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1450] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1452] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1451] <... symlinkat resumed>) = 0 [pid 1450] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 312] getdents64(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1453 attached [pid 1452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1451] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1450] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1452] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1451] <... unlinkat resumed>) = 0 [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 225 [pid 1453] set_robust_list(0x55555bb49760, 24 [pid 1452] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1451] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1450] close(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1453] <... set_robust_list resumed>) = 0 [pid 1452] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1451] <... unlinkat resumed>) = 0 [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1453] rt_sigprocmask(SIG_SETMASK, [] [pid 1452] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1451] close(3 [pid 1450] close(5 [pid 312] <... close resumed>) = 0 [pid 1453] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1452] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./230/config" [pid 1453] chdir("./223" [pid 1451] close(4 [pid 1450] close(6 [pid 1453] <... chdir resumed>) = 0 [pid 1452] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1452] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1451] close(5 [pid 1450] close(7 [pid 1453] <... prctl resumed>) = 0 [pid 1452] close(3 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./230/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1453] setpgid(0, 0 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] close(6 [pid 1450] close(8 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1453] <... setpgid resumed>) = 0 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1452] close(4 [pid 1451] close(7 [pid 1450] close(9 [pid 312] newfstatat(AT_FDCWD, "./230/binderfs" [pid 1453] <... symlink resumed>) = 0 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1452] close(5 [pid 1451] close(8 [pid 1450] close(10 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] <... symlink resumed>) = 0 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] close(9 [pid 1450] close(11 [pid 312] unlink("./230/binderfs" [pid 1453] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1452] close(6 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] <... symlink resumed>) = 0 [pid 1451] close(10 [pid 1450] close(12 [pid 312] <... unlink resumed>) = 0 [pid 1453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./230/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1453] <... openat resumed>) = 3 [pid 1452] close(7 [pid 1451] close(11 [pid 1450] close(13 [pid 1453] write(3, "1000", 4 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1453] <... write resumed>) = 4 [pid 1452] close(8 [pid 1451] close(12 [pid 1450] close(14 [pid 312] newfstatat(AT_FDCWD, "./230/cgroup.net" [pid 1453] close(3 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] <... close resumed>) = 0 [pid 1452] close(9 [pid 1451] close(13 [pid 1450] close(15 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1453] symlink("/dev/binderfs", "./binderfs" [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] close(14 [pid 1450] close(16 [pid 312] unlink("./230/cgroup.net" [pid 1453] <... symlink resumed>) = 0 [pid 1452] close(10 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] write(1, "executing program\n", 18 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] close(15 [pid 1450] close(17 [pid 312] <... unlink resumed>) = 0 [pid 1453] <... write resumed>) = 18 [pid 1452] close(11 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] close(16 [pid 1450] close(18 [pid 312] umount2("./230/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1453] mkdirat(AT_FDCWD, "./config", 0777 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] <... mkdirat resumed>) = 0 [pid 1452] close(12 [pid 1451] close(17 [pid 1450] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1453] mount(NULL, "./config", "configfs", 0, NULL [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./230/cgroup.cpu" [pid 1453] <... mount resumed>) = 0 [pid 1452] close(13 [pid 1451] close(18 [pid 1450] close(20 [pid 1453] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1451] close(19 [pid 1450] close(21 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] close(20 [pid 1450] close(22 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] close(21 [pid 1450] close(23 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] close(22 [pid 1450] close(24 [pid 1453] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1452] close(14 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./230/cgroup.cpu" [pid 1453] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] close(23 [pid 1450] close(25 [pid 1453] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1452] close(15 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1451] close(24 [pid 1450] close(26 [pid 1453] <... mkdirat resumed>) = 0 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./230/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1453] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1452] close(16 [pid 1451] close(25 [pid 1450] close(27 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1453] <... symlinkat resumed>) = 0 [pid 1451] close(26 [pid 1450] close(28 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1452] close(17 [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./230/cgroup" [pid 1453] <... unlinkat resumed>) = 0 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] close(27 [pid 1450] close(29 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1452] close(18 [pid 1451] close(28 [pid 1450] exit_group(0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1450] <... exit_group resumed>) = ? [pid 1453] <... unlinkat resumed>) = 0 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] close(29 [pid 1450] +++ exited with 0 +++ [pid 312] unlink("./230/cgroup" [pid 1453] close(3 [pid 1452] close(19 [pid 1451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] exit_group(0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... unlink resumed>) = 0 [pid 1453] close(4 [pid 1452] close(20 [pid 1451] <... exit_group resumed>) = ? [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] getdents64(3 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1451] +++ exited with 0 +++ [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1453] close(5 [pid 1452] close(21 [pid 312] close(3 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1453] close(6 [pid 1452] close(22 [pid 312] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./230" [pid 1453] close(7 [pid 1452] close(23 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./231", 0777 [pid 1453] close(8 [pid 1452] close(24 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./234", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 1453] close(9 [pid 1452] close(25 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1453] close(10 [pid 1452] close(26 [pid 313] <... openat resumed>) = 3 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1453] close(11 [pid 1452] close(27 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1454 attached [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 1454] set_robust_list(0x55555bb49760, 24 [pid 1453] close(12 [pid 1452] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 233 [pid 1454] <... set_robust_list resumed>) = 0 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1454] rt_sigprocmask(SIG_SETMASK, [] [pid 1453] close(13 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1454] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1452] close(29 [pid 309] umount2("./221", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = 0 [pid 1454] chdir("./231" [pid 1453] close(14 [pid 1452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1454] <... chdir resumed>) = 0 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1452] exit_group(0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1453] close(15 [pid 1452] <... exit_group resumed>) = ? [pid 313] newfstatat(AT_FDCWD, "./234/config" [pid 309] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1454] <... prctl resumed>) = 0 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1454] setpgid(0, 0) = 0 [pid 1454] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 1454] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 1454] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 1452] +++ exited with 0 +++ [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1453] close(16 [pid 313] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... openat resumed>) = 3 [pid 1454] <... openat resumed>) = 3 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] fstat(3 [pid 1454] write(3, "1000", 4 [pid 1453] close(17 [pid 313] openat(AT_FDCWD, "./234/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1454] <... write resumed>) = 4 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1454] close(3 [pid 1453] close(18 [pid 313] <... openat resumed>) = 4 [pid 1454] <... close resumed>) = 0 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 309] getdents64(3 [pid 1454] symlink("/dev/binderfs", "./binderfs" [pid 1453] close(19 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1454] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1454] write(1, "executing program\n", 18 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1454] <... write resumed>) = 18 [pid 1454] mkdirat(AT_FDCWD, "./config", 0777 [pid 1453] close(20 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1454] <... mkdirat resumed>) = 0 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1454] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1453] close(21 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 executing program [pid 1454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 309] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1454] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1453] close(22 [pid 313] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./234/config" [pid 309] newfstatat(AT_FDCWD, "./221/config" [pid 1454] <... mkdirat resumed>) = 0 [pid 1453] close(23 [pid 1454] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1454] <... symlinkat resumed>) = 0 [pid 1453] close(24 [pid 313] umount2("./234/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./221/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1454] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1454] <... unlinkat resumed>) = 0 [pid 1453] close(25 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./234/binderfs" [pid 1454] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./221/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1454] <... unlinkat resumed>) = 0 [pid 1453] close(26 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1454] close(3 [pid 309] <... openat resumed>) = 4 [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1454] close(4 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./234/binderfs" [pid 309] fstat(4 [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] close(27 [pid 1454] close(5 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] close(28 [pid 313] umount2("./234/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1454] close(6 [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1454] close(7) = -1 EBADF (Bad file descriptor) [pid 1453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1454] close(8 [pid 313] newfstatat(AT_FDCWD, "./234/cgroup.net" [pid 309] getdents64(4 [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] exit_group(0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1454] close(9 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1453] <... exit_group resumed>) = ? [pid 313] unlink("./234/cgroup.net" [pid 309] close(4 [pid 1454] close(10) = -1 EBADF (Bad file descriptor) [pid 1454] close(11) = -1 EBADF (Bad file descriptor) [pid 1454] close(12) = -1 EBADF (Bad file descriptor) [pid 1454] close(13) = -1 EBADF (Bad file descriptor) [pid 1454] close(14) = -1 EBADF (Bad file descriptor) [pid 1454] close(15) = -1 EBADF (Bad file descriptor) [pid 1453] +++ exited with 0 +++ [pid 1454] close(16 [pid 313] <... unlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./234/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 1454] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./221/config" [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1454] close(18 [pid 313] newfstatat(AT_FDCWD, "./234/cgroup.cpu" [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1454] close(19 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./221/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./234/cgroup.cpu" [pid 1454] close(20 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./221/binderfs" [pid 1454] close(21 [pid 313] umount2("./234/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1454] close(22 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1454] close(23 [pid 313] newfstatat(AT_FDCWD, "./234/cgroup" [pid 309] unlink("./221/binderfs" [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1454] close(24 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1454] close(25 [pid 313] unlink("./234/cgroup" [pid 309] umount2("./221/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] umount2("./223", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1454] close(26 [pid 313] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./221/cgroup.net" [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1454] close(27 [pid 313] close(3 [pid 311] umount2("./226", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 309] unlink("./221/cgroup.net" [pid 1454] close(28 [pid 313] rmdir("./234" [pid 311] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 1454] close(29 [pid 313] mkdir("./235", 0777 [pid 311] fstat(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./221/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1454] exit_group(0 [pid 313] <... mkdir resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = 0 [pid 1454] <... exit_group resumed>) = ? [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1454] +++ exited with 0 +++ [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./221/cgroup.cpu" [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./223/config" [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./226/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./223/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4ci2-android-5-15/strace-static-x86_64: Process 1455 attached [pid 311] openat(AT_FDCWD, "./226/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] unlink("./221/cgroup.cpu" [pid 1455] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 237 [pid 312] umount2("./231", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 1455] <... set_robust_list resumed>) = 0 [pid 311] fstat(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... unlink resumed>) = 0 [pid 1455] rt_sigprocmask(SIG_SETMASK, [] [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] getdents64(4 [pid 309] umount2("./221/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1455] chdir("./235" [pid 312] <... openat resumed>) = 3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1455] <... chdir resumed>) = 0 [pid 312] fstat(3 [pid 311] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 1455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./223/config" [pid 309] newfstatat(AT_FDCWD, "./221/cgroup" [pid 1455] <... prctl resumed>) = 0 [pid 312] getdents64(3 [pid 311] close(4 [pid 310] <... rmdir resumed>) = 0 [pid 1455] setpgid(0, 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... close resumed>) = 0 [pid 310] umount2("./223/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1455] <... setpgid resumed>) = 0 [pid 312] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./226/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./221/cgroup" [pid 1455] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] <... umount2 resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./223/binderfs" [pid 1455] <... symlink resumed>) = 0 [pid 312] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./226/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1455] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./223/binderfs" [pid 309] getdents64(3 [pid 1455] <... symlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./231/config" [pid 311] newfstatat(AT_FDCWD, "./226/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1455] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./223/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1455] <... symlink resumed>) = 0 [pid 312] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./226/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./223/cgroup.net" [pid 309] <... close resumed>) = 0 [pid 1455] <... openat resumed>) = 3 [pid 312] openat(AT_FDCWD, "./231/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./226/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1455] write(3, "1000", 4 [pid 312] <... openat resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./223/cgroup.net" [pid 309] rmdir("./221" [pid 1455] <... write resumed>) = 4 [pid 312] fstat(4 [pid 311] newfstatat(AT_FDCWD, "./226/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 1455] close(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./223/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1455] <... close resumed>) = 0 [pid 312] getdents64(4 [pid 311] unlink("./226/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./222", 0777 [pid 1455] symlink("/dev/binderfs", "./binderfs" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./223/cgroup.cpu" [pid 1455] <... symlink resumed>) = 0 [pid 311] umount2("./226/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(4 [pid 309] <... mkdir resumed>) = 0 [pid 1455] write(1, "executing program\n", 18 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 310] unlink("./223/cgroup.cpu" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1455] <... write resumed>) = 18 [pid 312] close(4 [pid 311] newfstatat(AT_FDCWD, "./226/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1455] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./223/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1455] <... mkdirat resumed>) = 0 [pid 312] rmdir("./231/config" [pid 311] unlink("./226/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1455] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./223/cgroup" [pid 1455] <... mount resumed>) = 0 [pid 311] umount2("./226/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1456 attached [pid 1455] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] umount2("./231/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./223/cgroup" [pid 1456] set_robust_list(0x55555bb49760, 24 [pid 1455] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./226/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 224 [pid 1456] <... set_robust_list resumed>) = 0 [pid 1455] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] newfstatat(AT_FDCWD, "./231/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 1456] rt_sigprocmask(SIG_SETMASK, [] [pid 1455] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./226/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1456] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1455] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] unlink("./231/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 310] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1456] chdir("./222" [pid 1455] <... mkdirat resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 1456] <... chdir resumed>) = 0 [pid 1455] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] umount2("./231/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./223" [pid 1456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1455] <... symlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 1456] <... prctl resumed>) = 0 [pid 1455] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] newfstatat(AT_FDCWD, "./231/cgroup.net" [pid 311] <... close resumed>) = 0 [pid 310] mkdir("./224", 0777 [pid 1456] setpgid(0, 0 [pid 1455] <... unlinkat resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./226" [pid 310] <... mkdir resumed>) = 0 [pid 1456] <... setpgid resumed>) = 0 [pid 1455] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] unlink("./231/cgroup.net" [pid 311] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1456] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1455] <... unlinkat resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] mkdir("./227", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1456] <... symlink resumed>) = 0 [pid 1455] close(3 [pid 312] umount2("./231/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... mkdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1457 attached [pid 1456] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1456] <... symlink resumed>) = 0 [pid 1455] close(4 [pid 312] newfstatat(AT_FDCWD, "./231/cgroup.cpu" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 226 [pid 1457] set_robust_list(0x55555bb49760, 24 [pid 1456] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1458 attached [pid 1457] <... set_robust_list resumed>) = 0 [pid 1456] <... symlink resumed>) = 0 [pid 1455] close(5 [pid 312] unlink("./231/cgroup.cpu" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1458] set_robust_list(0x55555bb49760, 24 [pid 1457] rt_sigprocmask(SIG_SETMASK, [] [pid 1456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 229 [pid 1458] <... set_robust_list resumed>) = 0 [pid 1457] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1456] <... openat resumed>) = 3 [pid 1455] close(6 [pid 312] umount2("./231/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1458] rt_sigprocmask(SIG_SETMASK, [] [pid 1456] write(3, "1000", 4 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1458] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1457] chdir("./224" [pid 1456] <... write resumed>) = 4 [pid 1455] close(7 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1458] chdir("./227" [pid 1457] <... chdir resumed>) = 0 [pid 1456] close(3 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./231/cgroup" [pid 1458] <... chdir resumed>) = 0 [pid 1457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1456] <... close resumed>) = 0 [pid 1455] close(8 [pid 1456] symlink("/dev/binderfs", "./binderfs" [pid 1458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1458] <... prctl resumed>) = 0 [pid 1457] <... prctl resumed>) = 0 [pid 1456] <... symlink resumed>) = 0 [pid 1455] close(9 [pid 1458] setpgid(0, 0 [pid 1457] setpgid(0, 0 [pid 1456] write(1, "executing program\n", 18 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./231/cgroup" [pid 1458] <... setpgid resumed>) = 0 [pid 1457] <... setpgid resumed>) = 0 [pid 1456] <... write resumed>) = 18 [pid 1455] close(10 [pid 1458] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1457] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1456] mkdirat(AT_FDCWD, "./config", 0777 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1458] <... symlink resumed>) = 0 [pid 1457] <... symlink resumed>) = 0 executing program [pid 1456] <... mkdirat resumed>) = 0 [pid 1455] close(11 [pid 312] getdents64(3 [pid 1458] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1457] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1456] mount(NULL, "./config", "configfs", 0, NULL [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1458] <... symlink resumed>) = 0 [pid 1457] <... symlink resumed>) = 0 [pid 1456] <... mount resumed>) = 0 [pid 1455] close(12 [pid 312] close(3 [pid 1458] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1457] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] <... symlink resumed>) = 0 [pid 1457] <... symlink resumed>) = 0 [pid 1456] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1455] close(13 [pid 312] <... close resumed>) = 0 [pid 1458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./231" [pid 1458] <... openat resumed>) = 3 [pid 1456] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1455] close(14 [pid 1456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] write(3, "1000", 4 [pid 1457] <... openat resumed>) = 3 [pid 1456] <... mkdirat resumed>) = 0 [pid 1455] close(15 [pid 312] <... rmdir resumed>) = 0 [pid 1458] <... write resumed>) = 4 [pid 1457] write(3, "1000", 4 [pid 1456] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./232", 0777 [pid 1458] close(3 [pid 1457] <... write resumed>) = 4 [pid 1456] <... symlinkat resumed>) = 0 [pid 1455] close(16 [pid 1458] <... close resumed>) = 0 [pid 1457] close(3 [pid 1456] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 1458] symlink("/dev/binderfs", "./binderfs" [pid 1457] <... close resumed>) = 0 [pid 1456] <... unlinkat resumed>) = 0 [pid 1455] close(17 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1458] <... symlink resumed>) = 0 [pid 1457] symlink("/dev/binderfs", "./binderfs" [pid 1456] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1458] write(1, "executing program\n", 18 [pid 1457] <... symlink resumed>) = 0 [pid 1456] <... unlinkat resumed>) = 0 [pid 1455] close(18 [pid 1456] close(3 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1455] close(19 [pid 1458] <... write resumed>) = 18 [pid 1457] write(1, "executing program\n", 18 [pid 1456] close(4 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1458] mkdirat(AT_FDCWD, "./config", 0777 [pid 1457] <... write resumed>) = 18 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1455] close(20 [pid 1456] close(5 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1455] close(21 [pid 1456] close(6 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1455] close(22ci2-android-5-15/strace-static-x86_64: Process 1459 attached [pid 1457] mkdirat(AT_FDCWD, "./config", 0777 [pid 1456] close(7 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] <... mkdirat resumed>) = 0 [pid 1459] set_robust_list(0x55555bb49760, 24 [pid 1458] mount(NULL, "./config", "configfs", 0, NULL [pid 1457] <... mkdirat resumed>) = 0 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1455] close(23 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 234 [pid 1459] <... set_robust_list resumed>) = 0 [pid 1458] <... mount resumed>) = 0 [pid 1457] mount(NULL, "./config", "configfs", 0, NULL [pid 1456] close(8 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program executing program [pid 1459] rt_sigprocmask(SIG_SETMASK, [] [pid 1458] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1457] <... mount resumed>) = 0 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1455] close(24 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1459] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1458] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1456] close(9 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1459] chdir("./232" [pid 1458] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1455] close(25 [pid 1459] <... chdir resumed>) = 0 [pid 1458] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1456] close(10 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1458] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1455] close(26 [pid 1457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1459] <... prctl resumed>) = 0 [pid 1456] close(11 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] setpgid(0, 0 [pid 1458] <... mkdirat resumed>) = 0 [pid 1457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1455] close(27 [pid 1459] <... setpgid resumed>) = 0 [pid 1458] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1456] close(12 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1458] <... symlinkat resumed>) = 0 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1455] close(28 [pid 1457] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1459] <... symlink resumed>) = 0 [pid 1458] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1456] close(13 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1455] close(29 [pid 1459] <... symlink resumed>) = 0 [pid 1458] <... unlinkat resumed>) = 0 [pid 1457] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1456] close(14 [pid 1455] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1458] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1457] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1455] exit_group(0 [pid 1459] <... symlink resumed>) = 0 [pid 1456] close(15 [pid 1455] <... exit_group resumed>) = ? [pid 1459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1458] <... unlinkat resumed>) = 0 [pid 1457] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1455] +++ exited with 0 +++ [pid 1459] <... openat resumed>) = 3 [pid 1458] close(3 [pid 1457] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1456] close(16 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1459] write(3, "1000", 4 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... write resumed>) = 4 [pid 1458] close(4 [pid 1457] close(3 [pid 1456] close(17 [pid 1459] close(3 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... close resumed>) = 0 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] close(18 [pid 1459] symlink("/dev/binderfs", "./binderfs" [pid 1458] close(5 [pid 1457] close(4 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... symlink resumed>) = 0 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] close(19 [pid 1459] write(1, "executing program\n", 18 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1459] <... write resumed>) = 18 [pid 1458] close(6 [pid 1457] close(5 [pid 1456] close(20 [pid 1459] mkdirat(AT_FDCWD, "./config", 0777 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... mkdirat resumed>) = 0 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] close(21 [pid 1459] mount(NULL, "./config", "configfs", 0, NULL [pid 1458] close(7 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(6 [pid 1459] <... mount resumed>) = 0 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] close(22 [pid 1459] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1458] close(8 [pid 1457] close(7 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] close(23 [pid 1459] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1458] close(9 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(8 [pid 1456] close(24 [pid 1459] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1458] close(10 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... mkdirat resumed>) = 0 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(9 [pid 1456] close(25 [pid 1459] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1458] close(11 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... symlinkat resumed>) = 0 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(10 [pid 1456] close(26 [pid 1459] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1458] close(12 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... unlinkat resumed>) = 0 [pid 1456] close(27 [pid 1459] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(11 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... unlinkat resumed>) = 0 [pid 1458] close(13 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] close(28 [pid 1459] close(3 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(12 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] close(14 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] close(29 [pid 1459] close(4 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(13 [pid 1456] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] close(15 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] exit_group(0 [pid 1459] close(5 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(14 [pid 1456] <... exit_group resumed>) = ? [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] close(16 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1456] +++ exited with 0 +++ [pid 1459] close(6 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(15 [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] close(17 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] close(7 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(16 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] close(18 [pid 1459] close(8 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] close(19 [pid 1457] close(17 [pid 1459] close(9 [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] close(20 [pid 1459] close(10) = -1 EBADF (Bad file descriptor) [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(18 [pid 309] <... restart_syscall resumed>) = 0 [pid 1459] close(11 [pid 1458] close(21 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(19 [pid 1459] close(12 [pid 1458] close(22 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] close(13 [pid 1457] close(20 [pid 309] umount2("./222", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] close(23 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] close(14 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(21 [pid 1459] close(15 [pid 1458] close(24 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(22 [pid 1459] close(16 [pid 1458] close(25 [pid 309] <... openat resumed>) = 3 [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] close(17) = -1 EBADF (Bad file descriptor) [pid 1459] close(18 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(23 [pid 309] fstat(3 [pid 1459] close(19 [pid 1458] close(26 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] close(20 [pid 1457] close(24 [pid 1458] close(27 [pid 309] getdents64(3 [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] close(21 [pid 1458] close(28 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(25 [pid 309] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1459] close(22 [pid 1458] close(29 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] close(23) = -1 EBADF (Bad file descriptor) [pid 1458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1457] close(26 [pid 309] <... umount2 resumed>) = 0 [pid 1459] close(24) = -1 EBADF (Bad file descriptor) [pid 1459] close(25 [pid 1458] exit_group(0 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1458] <... exit_group resumed>) = ? [pid 1457] close(27 [pid 1459] close(26 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1459] close(27) = -1 EBADF (Bad file descriptor) [pid 1459] close(28) = -1 EBADF (Bad file descriptor) [pid 1459] close(29) = -1 EBADF (Bad file descriptor) [pid 1459] exit_group(0) = ? [pid 1459] +++ exited with 0 +++ [pid 1458] +++ exited with 0 +++ [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./222/config" [pid 1457] close(28 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1457] close(29 [pid 311] <... restart_syscall resumed>) = 0 [pid 1457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./235", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./222/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1457] exit_group(0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./227", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1457] <... exit_group resumed>) = ? [pid 313] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./222/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 311] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1457] +++ exited with 0 +++ [pid 311] <... umount2 resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... openat resumed>) = 4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./227/config" [pid 309] fstat(4 [pid 313] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./227/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 313] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] getdents64(4 [pid 313] newfstatat(AT_FDCWD, "./235/config" [pid 311] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] close(4 [pid 311] getdents64(4 [pid 313] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 309] <... close resumed>) = 0 [pid 313] openat(AT_FDCWD, "./235/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... close resumed>) = 0 [pid 309] rmdir("./222/config" [pid 313] <... openat resumed>) = 4 [pid 311] rmdir("./227/config") = 0 [pid 311] umount2("./227/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 313] fstat(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./222/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./227/binderfs" [pid 313] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] unlink("./227/binderfs" [pid 309] newfstatat(AT_FDCWD, "./222/binderfs" [pid 313] getdents64(4 [pid 311] <... unlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] umount2("./227/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./222/binderfs" [pid 313] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./227/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./227/cgroup.net") = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] rmdir("./235/config" [pid 311] umount2("./227/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./222/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./235/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./227/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./222/cgroup.net" [pid 313] newfstatat(AT_FDCWD, "./235/binderfs" [pid 311] unlink("./227/cgroup.cpu" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./235/binderfs" [pid 311] umount2("./227/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./222/cgroup.net" [pid 313] umount2("./235/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./227/cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 311] unlink("./227/cgroup" [pid 313] newfstatat(AT_FDCWD, "./235/cgroup.net" [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./222/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3 [pid 313] unlink("./235/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 311] close(3 [pid 313] umount2("./235/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./222/cgroup.cpu" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./227" [pid 313] newfstatat(AT_FDCWD, "./235/cgroup.cpu" [pid 311] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] mkdir("./228", 0777 [pid 309] unlink("./222/cgroup.cpu" [pid 313] unlink("./235/cgroup.cpu" [pid 311] <... mkdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./222/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./235/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1460 attached [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 230 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1460] set_robust_list(0x55555bb49760, 24 [pid 313] newfstatat(AT_FDCWD, "./235/cgroup" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1460] <... set_robust_list resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./222/cgroup" [pid 1460] rt_sigprocmask(SIG_SETMASK, [] [pid 313] unlink("./235/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./232", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./222/cgroup" [pid 313] getdents64(3 [pid 1460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1460] chdir("./228" [pid 313] close(3 [pid 1460] <... chdir resumed>) = 0 [pid 312] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 1460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... close resumed>) = 0 [pid 1460] <... prctl resumed>) = 0 [pid 313] rmdir("./235" [pid 312] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1460] setpgid(0, 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] fstat(3 [pid 309] close(3 [pid 1460] <... setpgid resumed>) = 0 [pid 313] mkdir("./236", 0777 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1460] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 309] <... close resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 312] getdents64(3 [pid 1460] <... symlink resumed>) = 0 [pid 309] rmdir("./222" [pid 1460] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... rmdir resumed>) = 0 [pid 1460] <... symlink resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./223", 0777 [pid 1460] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... umount2 resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1461 attached [pid 312] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1461] set_robust_list(0x55555bb49760, 24 [pid 1460] <... symlink resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 238 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1461] <... set_robust_list resumed>) = 0 [pid 1460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] newfstatat(AT_FDCWD, "./232/config" [pid 1461] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... restart_syscall resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1461] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1461] chdir("./236" [pid 1460] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1461] <... chdir resumed>) = 0 [pid 310] umount2("./224", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1462 attached [pid 1461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1460] write(3, "1000", 4 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1462] set_robust_list(0x55555bb49760, 24 [pid 1461] <... prctl resumed>) = 0 [pid 1460] <... write resumed>) = 4 [pid 310] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1462] <... set_robust_list resumed>) = 0 [pid 1461] setpgid(0, 0 [pid 1460] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 225 [pid 1462] rt_sigprocmask(SIG_SETMASK, [] [pid 1461] <... setpgid resumed>) = 0 [pid 310] fstat(3 [pid 1462] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1461] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1460] <... close resumed>) = 0 [pid 312] openat(AT_FDCWD, "./232/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1462] chdir("./223" [pid 1461] <... symlink resumed>) = 0 [pid 1460] symlink("/dev/binderfs", "./binderfs" [pid 312] <... openat resumed>) = 4 [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1462] <... chdir resumed>) = 0 [pid 1461] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1461] <... symlink resumed>) = 0 [pid 1460] <... symlink resumed>) = 0 [pid 312] fstat(4 [pid 310] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1462] <... prctl resumed>) = 0 [pid 1461] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1460] write(1, "executing program\n", 18 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = 0 executing program [pid 1462] setpgid(0, 0 [pid 1461] <... symlink resumed>) = 0 [pid 1460] <... write resumed>) = 18 [pid 312] getdents64(4 [pid 310] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1462] <... setpgid resumed>) = 0 [pid 1461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1460] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1462] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1461] <... openat resumed>) = 3 [pid 1460] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./224/config" [pid 1462] <... symlink resumed>) = 0 [pid 1461] write(3, "1000", 4 [pid 1460] mount(NULL, "./config", "configfs", 0, NULL [pid 312] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1462] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1461] <... write resumed>) = 4 [pid 1460] <... mount resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1462] <... symlink resumed>) = 0 [pid 1461] close(3 [pid 1460] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1462] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1461] <... close resumed>) = 0 [pid 1460] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./224/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1462] <... symlink resumed>) = 0 [pid 1461] symlink("/dev/binderfs", "./binderfs" [pid 1460] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] rmdir("./232/config" [pid 310] <... openat resumed>) = 4 [pid 1462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1461] <... symlink resumed>) = 0 [pid 310] fstat(4 [pid 1462] <... openat resumed>) = 3 [pid 1461] write(1, "executing program\n", 18 [pid 1460] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1462] write(3, "1000", 4 [pid 1461] <... write resumed>) = 18 executing program [pid 1460] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 1462] <... write resumed>) = 4 [pid 1461] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] umount2("./232/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1462] close(3 [pid 1461] <... mkdirat resumed>) = 0 [pid 1460] <... mkdirat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1462] <... close resumed>) = 0 [pid 1461] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 1460] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] newfstatat(AT_FDCWD, "./232/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1462] symlink("/dev/binderfs", "./binderfs" [pid 1461] <... mount resumed>) = 0 [pid 1460] <... symlinkat resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 1462] <... symlink resumed>) = 0 [pid 1461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1460] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] unlink("./232/binderfs" [pid 310] <... close resumed>) = 0 [pid 1462] write(1, "executing program\n", 18 [pid 1461] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1460] <... unlinkat resumed>) = 0 [pid 310] rmdir("./224/config" [pid 312] <... unlink resumed>) = 0 [pid 1462] <... write resumed>) = 18 [pid 1461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1460] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] umount2("./232/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 1462] mkdirat(AT_FDCWD, "./config", 0777 [pid 1461] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./224/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1462] <... mkdirat resumed>) = 0 [pid 1461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1460] <... unlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1462] mount(NULL, "./config", "configfs", 0, NULL [pid 1461] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./224/binderfs" [pid 1462] <... mount resumed>) = 0 [pid 1461] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1460] close(3 [pid 312] newfstatat(AT_FDCWD, "./232/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1461] <... symlinkat resumed>) = 0 [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./224/binderfs" [pid 1462] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1461] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1460] close(4 [pid 312] unlink("./232/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 1462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1461] <... unlinkat resumed>) = 0 [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./224/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1462] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1461] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1460] close(5 [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1461] <... unlinkat resumed>) = 0 [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./232/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./224/cgroup.net" [pid 1462] <... mkdirat resumed>) = 0 [pid 1461] close(3 [pid 1460] close(6 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1462] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./232/cgroup.cpu" [pid 310] unlink("./224/cgroup.net" [pid 1462] <... symlinkat resumed>) = 0 [pid 1461] close(4 [pid 1460] close(7 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1462] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./232/cgroup.cpu" [pid 310] umount2("./224/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1462] <... unlinkat resumed>) = 0 [pid 1461] close(5 [pid 1460] close(8 [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1462] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./232/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./224/cgroup.cpu" [pid 1462] <... unlinkat resumed>) = 0 [pid 1461] close(6 [pid 1460] close(9 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1462] close(3 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./232/cgroup" [pid 310] unlink("./224/cgroup.cpu" [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(7 [pid 1460] close(10 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1462] close(4 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./232/cgroup" [pid 310] umount2("./224/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(8 [pid 1460] close(11 [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1462] close(5 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./224/cgroup" [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(9 [pid 1460] close(12 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1462] close(6 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 310] unlink("./224/cgroup" [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(10 [pid 1460] close(13 [pid 312] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1462] close(7 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./232" [pid 310] getdents64(3 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(11 [pid 1460] close(14 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1462] close(8 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 310] close(3 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(12 [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./233", 0777 [pid 310] <... close resumed>) = 0 [pid 1462] close(9 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] close(15 [pid 310] rmdir("./224" [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(13 [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1462] close(10 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] close(16 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] mkdir("./225", 0777 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(14 [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1462] close(11 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] close(17 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(15 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1462] close(12 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1463 attached [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(16 [pid 1460] close(18ci2-android-5-15/strace-static-x86_64: Process 1464 attached [pid 1463] set_robust_list(0x55555bb49760, 24 [pid 1462] close(13 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 227 [pid 1464] set_robust_list(0x55555bb49760, 24 [pid 1463] <... set_robust_list resumed>) = 0 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(17 [pid 1460] close(19 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 235 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1464] <... set_robust_list resumed>) = 0 [pid 1463] rt_sigprocmask(SIG_SETMASK, [] [pid 1462] close(14 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1464] rt_sigprocmask(SIG_SETMASK, [] [pid 1463] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(18 [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1463] chdir("./225" [pid 1462] close(15 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] close(20 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1464] chdir("./233" [pid 1463] <... chdir resumed>) = 0 [pid 1461] close(19 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... chdir resumed>) = 0 [pid 1463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1462] close(16 [pid 1464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1463] <... prctl resumed>) = 0 [pid 1461] close(20 [pid 1460] close(21 [pid 1464] <... prctl resumed>) = 0 [pid 1463] setpgid(0, 0 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] setpgid(0, 0 [pid 1463] <... setpgid resumed>) = 0 [pid 1462] close(17 [pid 1461] close(21 [pid 1464] <... setpgid resumed>) = 0 [pid 1463] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] close(22 [pid 1464] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1463] <... symlink resumed>) = 0 [pid 1461] close(22 [pid 1464] <... symlink resumed>) = 0 [pid 1463] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1462] close(18 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1463] <... symlink resumed>) = 0 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(23 [pid 1460] close(23 [pid 1464] <... symlink resumed>) = 0 [pid 1463] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1462] close(19 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1463] <... symlink resumed>) = 0 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(24 [pid 1460] close(24 [pid 1464] <... symlink resumed>) = 0 [pid 1463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1462] close(20 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1463] <... openat resumed>) = 3 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(25 [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... openat resumed>) = 3 [pid 1463] write(3, "1000", 4 [pid 1462] close(21 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] close(25 [pid 1464] write(3, "1000", 4 [pid 1463] <... write resumed>) = 4 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(26 [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... write resumed>) = 4 [pid 1463] close(3 [pid 1462] close(22 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] close(26 [pid 1464] close(3 [pid 1463] <... close resumed>) = 0 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(27 [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... close resumed>) = 0 [pid 1463] symlink("/dev/binderfs", "./binderfs" [pid 1462] close(23 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] close(27 [pid 1464] symlink("/dev/binderfs", "./binderfs" [pid 1463] <... symlink resumed>) = 0 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(28 [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... symlink resumed>) = 0 [pid 1463] write(1, "executing program\n", 18 [pid 1462] close(24 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1464] write(1, "executing program\n", 18 [pid 1463] <... write resumed>) = 18 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] close(29 [pid 1460] close(28 [pid 1464] <... write resumed>) = 18 executing program [pid 1463] mkdirat(AT_FDCWD, "./config", 0777 [pid 1462] close(25 [pid 1461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] mkdirat(AT_FDCWD, "./config", 0777 [pid 1463] <... mkdirat resumed>) = 0 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] exit_group(0 [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... mkdirat resumed>) = 0 [pid 1463] mount(NULL, "./config", "configfs", 0, NULL [pid 1462] close(26 [pid 1461] <... exit_group resumed>) = ? [pid 1460] close(29 [pid 1464] mount(NULL, "./config", "configfs", 0, NULL [pid 1463] <... mount resumed>) = 0 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1461] +++ exited with 0 +++ [pid 1460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... mount resumed>) = 0 [pid 1463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1462] close(27 [pid 1464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1463] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1460] exit_group(0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1464] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1460] <... exit_group resumed>) = ? [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1463] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1462] close(28 [pid 1464] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1463] <... mkdirat resumed>) = 0 [pid 1464] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1463] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1460] +++ exited with 0 +++ [pid 1464] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1463] <... symlinkat resumed>) = 0 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1464] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1463] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1464] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1463] <... unlinkat resumed>) = 0 [pid 1462] close(29 [pid 1464] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1463] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1464] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1463] <... unlinkat resumed>) = 0 [pid 1462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1463] close(3 [pid 1464] close(3 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(4 [pid 1462] exit_group(0 [pid 1464] close(4 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(5 [pid 1464] close(5 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1462] <... exit_group resumed>) = ? [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(6 [pid 1464] close(6 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(7 [pid 1464] close(7 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(8 [pid 1464] close(8 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(9 [pid 1462] +++ exited with 0 +++ [pid 1464] close(9 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(10 [pid 1464] close(10 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(11 [pid 1464] close(11 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(12 [pid 1464] close(12 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(13 [pid 1464] close(13 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(14 [pid 1464] close(14 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(15 [pid 311] umount2("./228", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1464] close(15 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(16 [pid 311] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1464] close(16 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(17 [pid 311] fstat(3 [pid 1464] close(17 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(18 [pid 311] getdents64(3 [pid 1464] close(18 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(19 [pid 311] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1464] close(19 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(20 [pid 311] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1464] close(20 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(21 [pid 311] newfstatat(AT_FDCWD, "./228/config" [pid 1464] close(21 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(22 [pid 311] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1464] close(22 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(23 [pid 311] openat(AT_FDCWD, "./228/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1464] close(23 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(24 [pid 311] fstat(4 [pid 1464] close(24 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(25 [pid 311] getdents64(4 [pid 1464] close(25 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(26 [pid 311] getdents64(4 [pid 1464] close(26 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(27 [pid 311] close(4 [pid 1464] close(27 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(28 [pid 311] rmdir("./228/config" [pid 1464] close(28 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] close(29 [pid 311] umount2("./228/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1464] close(29 [pid 1463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1463] exit_group(0 [pid 311] newfstatat(AT_FDCWD, "./228/binderfs" [pid 1464] exit_group(0 [pid 1463] <... exit_group resumed>) = ? [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1464] <... exit_group resumed>) = ? [pid 1463] +++ exited with 0 +++ [pid 311] unlink("./228/binderfs" [pid 1464] +++ exited with 0 +++ [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./228/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./236", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] newfstatat(AT_FDCWD, "./228/cgroup.net" [pid 309] <... restart_syscall resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./228/cgroup.net" [pid 313] <... openat resumed>) = 3 [pid 311] <... unlink resumed>) = 0 [pid 313] fstat(3 [pid 311] umount2("./228/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./228/cgroup.cpu" [pid 309] umount2("./223", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./228/cgroup.cpu" [pid 313] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./228/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./228/cgroup" [pid 309] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./228/cgroup" [pid 309] <... openat resumed>) = 3 [pid 313] newfstatat(AT_FDCWD, "./236/config" [pid 311] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] close(3 [pid 309] getdents64(3 [pid 311] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./228" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] openat(AT_FDCWD, "./236/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... rmdir resumed>) = 0 [pid 311] mkdir("./229", 0777 [pid 309] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... openat resumed>) = 4 [pid 311] <... mkdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] fstat(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] getdents64(4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1465 attached [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./225", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1465] set_robust_list(0x55555bb49760, 24 [pid 313] getdents64(4 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 231 [pid 309] newfstatat(AT_FDCWD, "./223/config" [pid 1465] <... set_robust_list resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1465] rt_sigprocmask(SIG_SETMASK, [] [pid 313] close(4 [pid 310] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1465] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... close resumed>) = 0 [pid 312] umount2("./233", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./223/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] rmdir("./236/config" [pid 310] <... openat resumed>) = 3 [pid 1465] chdir("./229" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1465] <... chdir resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./223/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] umount2("./236/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1465] <... prctl resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 312] <... openat resumed>) = 3 [pid 1465] setpgid(0, 0 [pid 313] newfstatat(AT_FDCWD, "./236/binderfs" [pid 310] getdents64(3 [pid 309] fstat(4 [pid 312] fstat(3 [pid 1465] <... setpgid resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1465] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] unlink("./236/binderfs" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1465] <... symlink resumed>) = 0 [pid 312] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1465] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 1465] <... symlink resumed>) = 0 [pid 313] umount2("./236/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1465] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 310] newfstatat(AT_FDCWD, "./225/config" [pid 309] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./236/cgroup.net" [pid 1465] <... symlink resumed>) = 0 [pid 312] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./223/config" [pid 1465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] unlink("./236/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1465] <... openat resumed>) = 3 [pid 312] newfstatat(AT_FDCWD, "./233/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./225/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./223/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./236/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1465] write(3, "1000", 4 [pid 312] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1465] <... write resumed>) = 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./233/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 309] newfstatat(AT_FDCWD, "./223/binderfs" [pid 1465] close(3 [pid 313] newfstatat(AT_FDCWD, "./236/cgroup.cpu" [pid 1465] <... close resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1465] symlink("/dev/binderfs", "./binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./223/binderfs" [pid 312] fstat(4 [pid 310] getdents64(4 [pid 1465] <... symlink resumed>) = 0 [pid 313] unlink("./236/cgroup.cpu" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1465] write(1, "executing program\n", 18 [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 executing program [pid 309] umount2("./223/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1465] <... write resumed>) = 18 [pid 313] umount2("./236/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1465] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./223/cgroup.net" [pid 1465] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./236/cgroup" [pid 312] getdents64(4 [pid 310] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1465] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 309] unlink("./223/cgroup.net" [pid 1465] <... mount resumed>) = 0 [pid 313] unlink("./236/cgroup" [pid 312] close(4 [pid 310] rmdir("./225/config" [pid 309] <... unlink resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] rmdir("./233/config" [pid 309] umount2("./223/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 313] getdents64(3 [pid 312] <... rmdir resumed>) = 0 [pid 1465] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] umount2("./233/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./225/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1465] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1465] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./233/binderfs" [pid 309] newfstatat(AT_FDCWD, "./223/cgroup.cpu" [pid 1465] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rmdir("./236" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./225/binderfs" [pid 1465] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] unlink("./233/binderfs" [pid 309] unlink("./223/cgroup.cpu" [pid 313] mkdir("./237", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1465] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] umount2("./223/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... mkdir resumed>) = 0 [pid 312] umount2("./233/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1465] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] unlink("./225/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1465] <... symlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./223/cgroup" [pid 312] newfstatat(AT_FDCWD, "./233/cgroup.net" [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1465] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./225/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./223/cgroup" [pid 1465] <... unlinkat resumed>) = 0 [pid 312] unlink("./233/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1466 attached [pid 309] <... unlink resumed>) = 0 [pid 1466] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 239 [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1465] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1466] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] umount2("./233/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./225/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1466] rt_sigprocmask(SIG_SETMASK, [] [pid 1465] <... unlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1466] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1465] close(3 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./233/cgroup.cpu" [pid 310] unlink("./225/cgroup.net" [pid 309] close(3 [pid 1466] chdir("./237" [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1466] <... chdir resumed>) = 0 [pid 1466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... unlink resumed>) = 0 [pid 1466] <... prctl resumed>) = 0 [pid 1465] close(4 [pid 312] unlink("./233/cgroup.cpu" [pid 310] umount2("./225/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1466] setpgid(0, 0 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1466] <... setpgid resumed>) = 0 [pid 1465] close(5 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./223" [pid 1466] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./233/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./225/cgroup.cpu" [pid 1466] <... symlink resumed>) = 0 [pid 1465] close(6 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1466] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./233/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./224", 0777 [pid 1466] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1465] close(7 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1466] <... symlink resumed>) = 0 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./233/cgroup" [pid 310] unlink("./225/cgroup.cpu" [pid 309] <... mkdir resumed>) = 0 [pid 1466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1465] close(8 [pid 1466] <... openat resumed>) = 3 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1466] write(3, "1000", 4 [pid 1465] close(9 [pid 312] getdents64(3 [pid 310] umount2("./225/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1466] <... write resumed>) = 4 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1466] close(3 [pid 1465] close(10 [pid 1466] <... close resumed>) = 0 [pid 312] close(3 [pid 310] newfstatat(AT_FDCWD, "./225/cgroup" [pid 1466] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1466] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 1467 attached executing program ) = 18 [pid 312] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1467] set_robust_list(0x55555bb49760, 24 [pid 1466] mkdirat(AT_FDCWD, "./config", 0777 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./233" [pid 310] unlink("./225/cgroup" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 226 [pid 1467] <... set_robust_list resumed>) = 0 [pid 1466] <... mkdirat resumed>) = 0 [pid 1465] close(11 [pid 312] <... rmdir resumed>) = 0 [pid 1467] rt_sigprocmask(SIG_SETMASK, [] [pid 1466] mount(NULL, "./config", "configfs", 0, NULL [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./234", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1467] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1466] <... mount resumed>) = 0 [pid 1465] close(12 [pid 1467] chdir("./224" [pid 1466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1467] <... chdir resumed>) = 0 [pid 1466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1465] close(13 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] close(3 [pid 1467] <... prctl resumed>) = 0 [pid 1466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1467] setpgid(0, 0 [pid 1466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1465] close(14 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... close resumed>) = 0 [pid 1467] <... setpgid resumed>) = 0 [pid 1466] <... mkdirat resumed>) = 0 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1466] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1467] <... symlink resumed>) = 0 [pid 1466] <... symlinkat resumed>) = 0 [pid 1467] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1466] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-5-15/strace-static-x86_64: Process 1468 attached [pid 1467] <... symlink resumed>) = 0 [pid 1466] <... unlinkat resumed>) = 0 [pid 1465] close(15 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 236 [pid 310] rmdir("./225" [pid 1467] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1466] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1468] set_robust_list(0x55555bb49760, 24 [pid 1467] <... symlink resumed>) = 0 [pid 1466] <... unlinkat resumed>) = 0 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 1468] <... set_robust_list resumed>) = 0 [pid 1467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1466] close(3 [pid 1465] close(16 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1468] rt_sigprocmask(SIG_SETMASK, [] [pid 1467] <... openat resumed>) = 3 [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./226", 0777 [pid 1468] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1467] write(3, "1000", 4 [pid 1466] close(4 [pid 1465] close(17 [pid 1468] chdir("./234" [pid 1467] <... write resumed>) = 4 [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 1468] <... chdir resumed>) = 0 [pid 1467] close(3 [pid 1466] close(5 [pid 1465] close(18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1467] <... close resumed>) = 0 [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1467] symlink("/dev/binderfs", "./binderfs" [pid 1466] close(6 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1468] <... prctl resumed>) = 0 [pid 1467] <... symlink resumed>) = 0 [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1467] write(1, "executing program\n", 18 [pid 1466] close(7 [pid 1465] close(19 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1468] setpgid(0, 0 [pid 1467] <... write resumed>) = 18 [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] mkdirat(AT_FDCWD, "./config", 0777 [pid 1466] close(8 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] <... mkdirat resumed>) = 0 [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] mount(NULL, "./config", "configfs", 0, NULL [pid 1466] close(9ci2-android-5-15/strace-static-x86_64: Process 1469 attached [pid 1468] <... setpgid resumed>) = 0 [pid 1467] <... mount resumed>) = 0 [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1465] close(20 [pid 1469] set_robust_list(0x55555bb49760, 24 [pid 1468] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1466] close(10 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 228 [pid 1469] <... set_robust_list resumed>) = 0 [pid 1468] <... symlink resumed>) = 0 [pid 1467] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1465] close(21 [pid 1469] rt_sigprocmask(SIG_SETMASK, [] [pid 1468] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1466] close(11 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1469] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1468] <... symlink resumed>) = 0 [pid 1467] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1465] close(22 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1469] chdir("./226" [pid 1468] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1466] close(12 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] <... chdir resumed>) = 0 [pid 1468] <... symlink resumed>) = 0 [pid 1467] <... mkdirat resumed>) = 0 [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1465] close(23 [pid 1469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1467] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1466] close(13 [pid 1469] <... prctl resumed>) = 0 [pid 1468] <... openat resumed>) = 3 [pid 1467] <... symlinkat resumed>) = 0 [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] setpgid(0, 0 [pid 1468] write(3, "1000", 4 [pid 1467] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1466] close(14 [pid 1469] <... setpgid resumed>) = 0 [pid 1468] <... write resumed>) = 4 [pid 1467] <... unlinkat resumed>) = 0 [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1465] close(24 [pid 1469] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1468] close(3 [pid 1467] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1466] close(15 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] <... symlink resumed>) = 0 [pid 1468] <... close resumed>) = 0 [pid 1467] <... unlinkat resumed>) = 0 [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1465] close(25 [pid 1469] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1468] symlink("/dev/binderfs", "./binderfs" [pid 1467] close(3 [pid 1466] close(16 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] <... symlink resumed>) = 0 [pid 1468] <... symlink resumed>) = 0 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1465] close(26 [pid 1469] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1468] write(1, "executing program\n", 18 [pid 1467] close(4 [pid 1466] close(17 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] <... symlink resumed>) = 0 executing program [pid 1468] <... write resumed>) = 18 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1468] mkdirat(AT_FDCWD, "./config", 0777 [pid 1467] close(5 [pid 1466] close(18 [pid 1465] close(27 [pid 1469] <... openat resumed>) = 3 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] write(3, "1000", 4 [pid 1468] <... mkdirat resumed>) = 0 [pid 1467] close(6 [pid 1466] close(19 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] <... write resumed>) = 4 [pid 1468] mount(NULL, "./config", "configfs", 0, NULL [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] close(3 [pid 1467] close(7 [pid 1466] close(20 [pid 1465] close(28 [pid 1469] <... close resumed>) = 0 [pid 1468] <... mount resumed>) = 0 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] symlink("/dev/binderfs", "./binderfs" [pid 1468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1467] close(8 [pid 1466] close(21 [pid 1469] <... symlink resumed>) = 0 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1465] close(29 [pid 1469] write(1, "executing program\n", 18 [pid 1468] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1467] close(9 [pid 1466] close(22 [pid 1465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] <... write resumed>) = 18 [pid 1468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] mkdirat(AT_FDCWD, "./config", 0777 [pid 1468] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1467] close(10 [pid 1466] close(23 [pid 1465] exit_group(0 [pid 1469] <... mkdirat resumed>) = 0 [pid 1468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] mount(NULL, "./config", "configfs", 0, NULL [pid 1467] close(11 [pid 1466] close(24 [pid 1465] <... exit_group resumed>) = ? [pid 1469] <... mount resumed>) = 0 [pid 1468] <... mkdirat resumed>) = 0 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1468] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1467] close(12 [pid 1466] close(25 [pid 1465] +++ exited with 0 +++ [pid 1469] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1469] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1468] <... symlinkat resumed>) = 0 [pid 1467] close(13 [pid 1466] close(26 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1469] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1468] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1468] <... unlinkat resumed>) = 0 [pid 1467] close(14 [pid 1466] close(27 [pid 1469] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1468] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1467] close(15 [pid 1466] close(28 [pid 1469] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1468] <... unlinkat resumed>) = 0 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1468] close(3 [pid 1467] close(16 [pid 1466] close(29 [pid 1469] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1468] close(4 [pid 1467] close(17 [pid 1466] exit_group(0 [pid 1469] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1466] <... exit_group resumed>) = ? [pid 1469] close(3 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] close(18 [pid 1466] +++ exited with 0 +++ [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] close(5 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] close(4 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] close(19 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] close(6 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] close(5 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] close(20 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] close(7 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] close(6 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] close(21 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] close(8 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] close(7 [pid 1467] close(22 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] close(8 [pid 1468] close(9 [pid 1467] close(23 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] close(9 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] close(24 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] close(10 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] close(10 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] close(25 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] close(11 [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] close(11 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] close(26 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] close(12 [pid 1468] close(12 [pid 1467] close(27 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] close(13 [pid 1468] close(13 [pid 1467] close(28 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] close(14 [pid 1468] close(14 [pid 1467] close(29 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] close(15 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] exit_group(0 [pid 313] <... restart_syscall resumed>) = 0 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] close(15 [pid 1467] <... exit_group resumed>) = ? [pid 1469] close(16 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1467] +++ exited with 0 +++ [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] close(16 [pid 1469] close(17 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] close(17 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1469] close(18 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./237", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] close(18 [pid 1469] close(19 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 1469] close(20 [pid 1468] close(19 [pid 313] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1469] close(21 [pid 1468] close(20 [pid 313] fstat(3 [pid 311] umount2("./229", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1469] close(22 [pid 1468] close(21 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] <... openat resumed>) = 3 [pid 1469] close(23 [pid 1468] close(22 [pid 311] fstat(3 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1469] close(24 [pid 1468] close(23 [pid 313] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1469] close(25 [pid 1468] close(24 [pid 313] <... umount2 resumed>) = 0 [pid 311] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1469] close(26 [pid 311] <... umount2 resumed>) = 0 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1469] close(27 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./229/config" [pid 1469] close(28 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] close(25 [pid 311] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1469] close(29 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] close(26 [pid 313] newfstatat(AT_FDCWD, "./237/config" [pid 311] openat(AT_FDCWD, "./229/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1469] exit_group(0 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 1469] <... exit_group resumed>) = ? [pid 1468] close(27 [pid 313] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] close(4) = 0 [pid 311] rmdir("./229/config" [pid 1469] +++ exited with 0 +++ [pid 311] <... rmdir resumed>) = 0 [pid 311] umount2("./229/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1468] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./237/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./229/binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1468] close(29 [pid 313] <... openat resumed>) = 4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1468] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] unlink("./229/binderfs" [pid 1468] exit_group(0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./224", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1468] <... exit_group resumed>) = ? [pid 313] getdents64(4 [pid 311] umount2("./229/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./229/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./229/cgroup.net") = 0 [pid 311] umount2("./229/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1468] +++ exited with 0 +++ [pid 311] newfstatat(AT_FDCWD, "./229/cgroup.cpu" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] getdents64(4 [pid 311] unlink("./229/cgroup.cpu" [pid 309] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... unlink resumed>) = 0 [pid 313] close(4 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] umount2("./229/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 313] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] rmdir("./237/config" [pid 311] newfstatat(AT_FDCWD, "./229/cgroup" [pid 309] fstat(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 311] unlink("./229/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] umount2("./237/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 309] getdents64(3 [pid 313] newfstatat(AT_FDCWD, "./237/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] unlink("./237/binderfs" [pid 311] <... close resumed>) = 0 [pid 309] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 311] rmdir("./229") = 0 [pid 311] mkdir("./230", 0777 [pid 313] umount2("./237/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] newfstatat(AT_FDCWD, "./237/cgroup.net" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1470 attached [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./224/config" [pid 1470] set_robust_list(0x55555bb49760, 24 [pid 313] unlink("./237/cgroup.net" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 232 [pid 1470] <... set_robust_list resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1470] rt_sigprocmask(SIG_SETMASK, [] [pid 313] umount2("./237/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./224/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1470] chdir("./230" [pid 313] newfstatat(AT_FDCWD, "./237/cgroup.cpu" [pid 309] openat(AT_FDCWD, "./224/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1470] <... chdir resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 313] unlink("./237/cgroup.cpu" [pid 1470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./226", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 1470] <... prctl resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1470] setpgid(0, 0 [pid 313] umount2("./237/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1470] <... setpgid resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1470] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 310] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] newfstatat(AT_FDCWD, "./237/cgroup" [pid 309] getdents64(4 [pid 1470] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1470] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 309] close(4 [pid 1470] <... symlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1470] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] unlink("./237/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] rmdir("./224/config" [pid 1470] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 313] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 1470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] umount2("./224/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1470] <... openat resumed>) = 3 [pid 313] close(3 [pid 1470] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1470] <... write resumed>) = 4 [pid 313] <... close resumed>) = 0 [pid 310] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./224/binderfs" [pid 1470] close(3 [pid 313] rmdir("./237" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 309] unlink("./224/binderfs" [pid 310] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1470] <... close resumed>) = 0 [pid 313] mkdir("./238", 0777 [pid 1470] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 1470] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./226/config" [pid 1470] write(1, "executing program\n", 18 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 309] umount2("./224/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1470] <... write resumed>) = 18 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1470] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1470] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./224/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1471 attached [pid 1470] mount(NULL, "./config", "configfs", 0, NULL [pid 310] openat(AT_FDCWD, "./226/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1471] set_robust_list(0x55555bb49760, 24 [pid 1470] <... mount resumed>) = 0 [pid 1471] <... set_robust_list resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 240 [pid 310] <... openat resumed>) = 4 [pid 309] unlink("./224/cgroup.net" [pid 1471] rt_sigprocmask(SIG_SETMASK, [] [pid 1470] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(4 [pid 1471] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1470] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1471] chdir("./238" [pid 1470] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(4 [pid 309] umount2("./224/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1471] <... chdir resumed>) = 0 [pid 1470] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1470] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1471] <... prctl resumed>) = 0 [pid 1471] setpgid(0, 0) = 0 [pid 1471] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 1470] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./224/cgroup.cpu" [pid 1471] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1470] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] close(4 [pid 1471] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1471] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 1470] <... symlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] unlink("./224/cgroup.cpu" [pid 1471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1470] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rmdir("./226/config" [pid 1471] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 1471] write(3, "1000", 4 [pid 1470] <... unlinkat resumed>) = 0 [pid 1471] <... write resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 1470] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./224/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1471] close(3 [pid 310] umount2("./226/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1471] <... close resumed>) = 0 [pid 1471] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1470] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1471] write(1, "executing program\n", 18 executing program [pid 1470] close(3 [pid 310] newfstatat(AT_FDCWD, "./226/binderfs" [pid 1471] <... write resumed>) = 18 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./224/cgroup" [pid 1471] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1471] <... mkdirat resumed>) = 0 [pid 1470] close(4 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] unlink("./226/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1471] mount(NULL, "./config", "configfs", 0, NULL [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1471] <... mount resumed>) = 0 [pid 1470] close(5 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./224/cgroup" [pid 1471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] umount2("./226/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./234", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1471] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1470] close(6 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1471] <... mkdirat resumed>) = 0 [pid 312] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1470] close(7 [pid 310] newfstatat(AT_FDCWD, "./226/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1471] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 1471] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1470] close(8 [pid 312] fstat(3 [pid 310] unlink("./226/cgroup.net" [pid 1471] <... unlinkat resumed>) = 0 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 1471] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1470] close(9 [pid 310] <... unlink resumed>) = 0 [pid 1471] <... unlinkat resumed>) = 0 [pid 312] getdents64(3 [pid 309] rmdir("./224" [pid 1471] close(3 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./226/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] close(10 [pid 312] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1471] close(4 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1471] close(5 [pid 1470] close(11 [pid 312] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./226/cgroup.cpu" [pid 309] mkdir("./225", 0777 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1471] close(6 [pid 1470] close(12 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./226/cgroup.cpu" [pid 309] <... mkdir resumed>) = 0 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./234/config" [pid 1471] close(7 [pid 1470] close(13 [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./226/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1471] close(8 [pid 312] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] close(14 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1471] close(9 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./234/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./226/cgroup" [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1471] close(10) = -1 EBADF (Bad file descriptor) [pid 1471] close(11) = -1 EBADF (Bad file descriptor) [pid 1471] close(12) = -1 EBADF (Bad file descriptor) [pid 1471] close(13) = -1 EBADF (Bad file descriptor) [pid 1471] close(14) = -1 EBADF (Bad file descriptor) [pid 1471] close(15) = -1 EBADF (Bad file descriptor) [pid 1471] close(16) = -1 EBADF (Bad file descriptor) [pid 1471] close(17ci2-android-5-15/strace-static-x86_64: Process 1472 attached ) = -1 EBADF (Bad file descriptor) [pid 1470] close(15 [pid 312] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1472] set_robust_list(0x55555bb49760, 24 [pid 1471] close(18 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 310] unlink("./226/cgroup" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 227 [pid 1472] <... set_robust_list resumed>) = 0 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] close(16 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1472] rt_sigprocmask(SIG_SETMASK, [] [pid 1471] close(19 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1472] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] close(17 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1472] chdir("./225" [pid 1471] close(20 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1472] <... chdir resumed>) = 0 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] close(18 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 1472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1471] close(21 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1472] <... prctl resumed>) = 0 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1472] setpgid(0, 0 [pid 1471] close(22 [pid 1470] close(19 [pid 312] <... close resumed>) = 0 [pid 1472] <... setpgid resumed>) = 0 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./226" [pid 1472] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1471] close(23 [pid 1470] close(20 [pid 312] rmdir("./234/config" [pid 1472] <... symlink resumed>) = 0 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1472] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1471] close(24 [pid 1470] close(21 [pid 312] <... rmdir resumed>) = 0 [pid 310] mkdir("./227", 0777 [pid 1472] <... symlink resumed>) = 0 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./234/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1472] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1471] close(25 [pid 1470] close(22 [pid 310] <... mkdir resumed>) = 0 [pid 1472] <... symlink resumed>) = 0 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1471] close(26 [pid 1470] close(23 [pid 312] newfstatat(AT_FDCWD, "./234/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1472] <... openat resumed>) = 3 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] write(3, "1000", 4 [pid 1471] close(27 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1472] <... write resumed>) = 4 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] close(24 [pid 312] unlink("./234/binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1472] close(3 [pid 1471] close(28 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] <... close resumed>) = 0 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1472] symlink("/dev/binderfs", "./binderfs" [pid 1471] close(29 [pid 1472] <... symlink resumed>) = 0 [pid 1471] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1473 attached [pid 1472] write(1, "executing program\n", 18 [pid 1471] exit_group(0 [pid 1470] close(25 [pid 312] umount2("./234/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1473] set_robust_list(0x55555bb49760, 24 [pid 1472] <... write resumed>) = 18 executing program [pid 1471] <... exit_group resumed>) = ? [pid 1473] <... set_robust_list resumed>) = 0 [pid 1472] mkdirat(AT_FDCWD, "./config", 0777 [pid 1471] +++ exited with 0 +++ [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 229 [pid 1473] rt_sigprocmask(SIG_SETMASK, [] [pid 1472] <... mkdirat resumed>) = 0 [pid 1470] close(26 [pid 312] newfstatat(AT_FDCWD, "./234/cgroup.net" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1473] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1472] mount(NULL, "./config", "configfs", 0, NULL [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1473] chdir("./227" [pid 1472] <... mount resumed>) = 0 [pid 1470] close(27 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1473] <... chdir resumed>) = 0 [pid 1472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./234/cgroup.net" [pid 1473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1473] <... prctl resumed>) = 0 [pid 1472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1470] close(28 [pid 1473] setpgid(0, 0 [pid 1472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1473] <... setpgid resumed>) = 0 [pid 1472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1473] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1472] <... mkdirat resumed>) = 0 [pid 1470] close(29 [pid 312] umount2("./234/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1473] <... symlink resumed>) = 0 [pid 1472] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1473] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1472] <... symlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1473] <... symlink resumed>) = 0 [pid 1472] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1470] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./234/cgroup.cpu" [pid 1473] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1472] <... unlinkat resumed>) = 0 [pid 1470] <... exit_group resumed>) = ? [pid 1473] <... symlink resumed>) = 0 [pid 1472] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1472] <... unlinkat resumed>) = 0 [pid 1473] <... openat resumed>) = 3 [pid 1472] close(3 [pid 1473] write(3, "1000", 4 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1470] +++ exited with 0 +++ executing program [pid 1473] <... write resumed>) = 4 [pid 1472] close(4 [pid 312] unlink("./234/cgroup.cpu" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1473] close(3 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1473] <... close resumed>) = 0 [pid 1472] close(5 [pid 1473] symlink("/dev/binderfs", "./binderfs" [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1473] <... symlink resumed>) = 0 [pid 1472] close(6 [pid 1473] write(1, "executing program\n", 18 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./234/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1473] <... write resumed>) = 18 [pid 1472] close(7 [pid 1473] mkdirat(AT_FDCWD, "./config", 0777 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1473] <... mkdirat resumed>) = 0 [pid 1472] close(8 [pid 1473] mount(NULL, "./config", "configfs", 0, NULL [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./234/cgroup" [pid 1473] <... mount resumed>) = 0 [pid 1472] close(9 [pid 1473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1473] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1472] close(10 [pid 312] unlink("./234/cgroup" [pid 1473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1473] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1472] close(11 [pid 312] <... unlink resumed>) = 0 [pid 1473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1473] <... mkdirat resumed>) = 0 [pid 1472] close(12 [pid 1473] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1473] <... symlinkat resumed>) = 0 [pid 1472] close(13 [pid 312] close(3 [pid 1473] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1473] <... unlinkat resumed>) = 0 [pid 1472] close(14 [pid 312] <... close resumed>) = 0 [pid 1473] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./234" [pid 1473] <... unlinkat resumed>) = 0 [pid 1472] close(15 [pid 1473] close(3 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(16 [pid 312] mkdir("./235", 0777 [pid 1473] close(4 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(17 [pid 312] <... mkdir resumed>) = 0 [pid 1473] close(5 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(18 [pid 1473] close(6 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(19 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1473] close(7 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(20 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1473] close(8 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(21 [pid 1473] close(9 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(22 [pid 1473] close(10 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(23ci2-android-5-15/strace-static-x86_64: Process 1474 attached [pid 1473] close(11 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 1474] set_robust_list(0x55555bb49760, 24 [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 237 [pid 1474] <... set_robust_list resumed>) = 0 [pid 1473] close(12 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1474] rt_sigprocmask(SIG_SETMASK, [] [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(25 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1474] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1473] close(13 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1474] chdir("./235" [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(26 [pid 313] umount2("./238", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1474] <... chdir resumed>) = 0 [pid 1473] close(14 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1474] <... prctl resumed>) = 0 [pid 1473] close(15 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1474] setpgid(0, 0 [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(28 [pid 1474] <... setpgid resumed>) = 0 [pid 1473] close(16 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1474] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] close(29 [pid 1474] <... symlink resumed>) = 0 [pid 1473] close(17 [pid 1472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 1474] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] exit_group(0 [pid 1474] <... symlink resumed>) = 0 [pid 1473] close(18 [pid 1472] <... exit_group resumed>) = ? [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1474] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1472] +++ exited with 0 +++ [pid 1474] <... symlink resumed>) = 0 [pid 1473] close(19 [pid 313] getdents64(3 [pid 1474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1474] <... openat resumed>) = 3 [pid 1473] close(20 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1474] write(3, "1000", 4 [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] <... write resumed>) = 4 [pid 1473] close(21 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1474] close(3 [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1474] <... close resumed>) = 0 [pid 1473] close(22 [pid 313] <... umount2 resumed>) = 0 [pid 1474] symlink("/dev/binderfs", "./binderfs" [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] <... symlink resumed>) = 0 [pid 1473] close(23 [pid 1474] write(1, "executing program\n", 18 [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1474] <... write resumed>) = 18 [pid 1473] close(24 [pid 313] newfstatat(AT_FDCWD, "./238/config" [pid 1474] mkdirat(AT_FDCWD, "./config", 0777 [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1474] <... mkdirat resumed>) = 0 [pid 1473] close(25 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1474] mount(NULL, "./config", "configfs", 0, NULL [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1474] <... mount resumed>) = 0 [pid 1473] close(26 [pid 313] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1474] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1473] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./238/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1474] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1473] close(28 [pid 313] <... openat resumed>) = 4 [pid 1474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] umount2("./230", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] <... mkdirat resumed>) = 0 [pid 1473] close(29 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1474] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1474] <... symlinkat resumed>) = 0 [pid 1473] exit_group(0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... openat resumed>) = 3 [pid 1474] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1473] <... exit_group resumed>) = ? [pid 313] getdents64(4 [pid 311] fstat(3 [pid 1474] <... unlinkat resumed>) = 0 [pid 1473] +++ exited with 0 +++ [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1474] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] close(4 [pid 311] getdents64(3 [pid 1474] <... unlinkat resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... restart_syscall resumed>) = 0 [pid 1474] close(3 [pid 313] rmdir("./238/config" [pid 311] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 1474] close(4 [pid 313] umount2("./238/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1474] close(5 [pid 313] newfstatat(AT_FDCWD, "./238/binderfs" [pid 311] newfstatat(AT_FDCWD, "./230/config" [pid 309] umount2("./225", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1474] close(6 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./238/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1474] close(7 [pid 311] openat(AT_FDCWD, "./230/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 1474] close(8 [pid 313] umount2("./238/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 309] <... openat resumed>) = 3 [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] fstat(3 [pid 1474] close(9 [pid 311] getdents64(4 [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./238/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1474] close(10 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 1474] close(11 [pid 313] unlink("./238/cgroup.net" [pid 311] close(4 [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1474] close(12 [pid 313] <... unlink resumed>) = 0 [pid 311] rmdir("./230/config" [pid 309] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./238/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 1474] close(13 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./230/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./238/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 1474] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./230/binderfs" [pid 309] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./238/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1474] close(15 [pid 313] <... unlink resumed>) = 0 [pid 311] unlink("./230/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./238/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./225/config" [pid 1474] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./230/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1474] close(17 [pid 313] newfstatat(AT_FDCWD, "./238/cgroup" [pid 311] newfstatat(AT_FDCWD, "./230/cgroup.net" [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./225/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] close(18 [pid 313] unlink("./238/cgroup" [pid 311] unlink("./230/cgroup.net" [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1474] close(19 [pid 313] getdents64(3 [pid 311] umount2("./230/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./225/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1474] close(20 [pid 313] close(3 [pid 311] newfstatat(AT_FDCWD, "./230/cgroup.cpu" [pid 309] <... openat resumed>) = 4 [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 1474] close(21 [pid 313] rmdir("./238" [pid 311] unlink("./230/cgroup.cpu" [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1474] close(22 [pid 313] <... rmdir resumed>) = 0 [pid 311] umount2("./230/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./239", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1474] close(23 [pid 311] newfstatat(AT_FDCWD, "./230/cgroup" [pid 310] <... restart_syscall resumed>) = 0 [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1474] close(24 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] unlink("./230/cgroup" [pid 309] getdents64(4 [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1474] close(25 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./227", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1474] close(26 [pid 311] close(3 [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1474] close(27 [pid 311] rmdir("./230" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4ci2-android-5-15/strace-static-x86_64: Process 1475 attached [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 1475] set_robust_list(0x55555bb49760, 24 [pid 1474] close(28 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 241 [pid 311] mkdir("./231", 0777 [pid 1475] <... set_robust_list resumed>) = 0 [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... mkdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] rmdir("./225/config" [pid 1475] rt_sigprocmask(SIG_SETMASK, [] [pid 1474] close(29 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1475] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1474] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1475] chdir("./239" [pid 1474] exit_group(0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(3 [pid 309] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1476 attached [pid 1475] <... chdir resumed>) = 0 [pid 1474] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] umount2("./225/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1476] set_robust_list(0x55555bb49760, 24 [pid 1475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1474] +++ exited with 0 +++ [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 233 [pid 310] getdents64(3 [pid 1476] <... set_robust_list resumed>) = 0 [pid 1475] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1475] setpgid(0, 0 [pid 1476] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1476] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1475] <... setpgid resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./225/binderfs" [pid 1476] chdir("./231" [pid 1475] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1476] <... chdir resumed>) = 0 [pid 1475] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1475] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1475] <... symlink resumed>) = 0 [pid 310] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./225/binderfs" [pid 1476] <... prctl resumed>) = 0 [pid 1475] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1476] setpgid(0, 0 [pid 1475] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./227/config" [pid 1476] <... setpgid resumed>) = 0 [pid 1475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./225/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1476] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1475] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1476] <... symlink resumed>) = 0 [pid 1475] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1476] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1475] <... write resumed>) = 4 [pid 310] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1476] <... symlink resumed>) = 0 [pid 1475] close(3 [pid 309] newfstatat(AT_FDCWD, "./225/cgroup.net" [pid 1476] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1475] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1475] symlink("/dev/binderfs", "./binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1476] <... symlink resumed>) = 0 [pid 1475] <... symlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./227/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1475] write(1, "executing program\n", 18 [pid 309] unlink("./225/cgroup.net" [pid 1475] <... write resumed>) = 18 [pid 310] <... openat resumed>) = 4 [pid 1476] <... openat resumed>) = 3 executing program [pid 1475] mkdirat(AT_FDCWD, "./config", 0777 [pid 1476] write(3, "1000", 4 [pid 1475] <... mkdirat resumed>) = 0 [pid 310] fstat(4 [pid 309] <... unlink resumed>) = 0 [pid 1476] <... write resumed>) = 4 [pid 1475] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1476] close(3 [pid 1475] <... mount resumed>) = 0 [pid 309] umount2("./225/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1476] <... close resumed>) = 0 [pid 1475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(4 [pid 1476] symlink("/dev/binderfs", "./binderfs" [pid 1475] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1476] <... symlink resumed>) = 0 [pid 1475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1476] write(1, "executing program\n", 18 [pid 1475] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./225/cgroup.cpu" [pid 1476] <... write resumed>) = 18 executing program [pid 1475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1476] mkdirat(AT_FDCWD, "./config", 0777 [pid 1475] <... mkdirat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1476] <... mkdirat resumed>) = 0 [pid 1475] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 1476] mount(NULL, "./config", "configfs", 0, NULL [pid 1475] <... symlinkat resumed>) = 0 [pid 309] unlink("./225/cgroup.cpu" [pid 1475] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1476] <... mount resumed>) = 0 [pid 310] rmdir("./227/config" [pid 1476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1475] <... unlinkat resumed>) = 0 [pid 312] umount2("./235", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1476] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1475] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 1476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1475] <... unlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./225/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1476] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1475] close(3 [pid 312] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./227/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1475] close(4) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1475] close(5) = -1 EBADF (Bad file descriptor) [pid 1476] <... mkdirat resumed>) = 0 [pid 1475] close(6 [pid 1476] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./227/binderfs" [pid 309] newfstatat(AT_FDCWD, "./225/cgroup" [pid 1476] <... symlinkat resumed>) = 0 [pid 1475] close(7 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1476] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1476] <... unlinkat resumed>) = 0 [pid 1475] close(8 [pid 312] getdents64(3 [pid 310] unlink("./227/binderfs" [pid 309] unlink("./225/cgroup" [pid 1476] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1475] close(9 [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1476] <... unlinkat resumed>) = 0 [pid 1475] close(10 [pid 312] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1476] close(3 [pid 310] umount2("./227/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1475] close(11) = -1 EBADF (Bad file descriptor) [pid 1475] close(12 [pid 1476] close(4 [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./227/cgroup.net" [pid 309] close(3 [pid 1475] close(13) = -1 EBADF (Bad file descriptor) [pid 1475] close(14) = -1 EBADF (Bad file descriptor) [pid 1475] close(15) = -1 EBADF (Bad file descriptor) [pid 1475] close(16 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1476] close(5 [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./227/cgroup.net" [pid 309] rmdir("./225" [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1475] close(17 [pid 312] newfstatat(AT_FDCWD, "./235/config" [pid 1476] close(6 [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1475] close(18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./227/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./226", 0777 [pid 1476] close(7 [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1475] close(19) = -1 EBADF (Bad file descriptor) [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1475] close(20 [pid 309] <... mkdir resumed>) = 0 [pid 1476] close(8 [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./227/cgroup.cpu" [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1475] close(21 [pid 312] openat(AT_FDCWD, "./235/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1476] close(9 [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1475] close(22) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 310] unlink("./227/cgroup.cpu" [pid 1476] close(10 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1475] close(23 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1475] close(24) = -1 EBADF (Bad file descriptor) [pid 1475] close(25) = -1 EBADF (Bad file descriptor) [pid 1475] close(26) = -1 EBADF (Bad file descriptor) [pid 1475] close(27) = -1 EBADF (Bad file descriptor) [pid 1475] close(28) = -1 EBADF (Bad file descriptor) [pid 1475] close(29ci2-android-5-15/strace-static-x86_64: Process 1477 attached [pid 1476] close(11 [pid 1475] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] umount2("./227/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1477] set_robust_list(0x55555bb49760, 24 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1475] exit_group(0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1477] <... set_robust_list resumed>) = 0 [pid 1475] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1477] rt_sigprocmask(SIG_SETMASK, [] [pid 1476] close(12 [pid 1475] +++ exited with 0 +++ [pid 312] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./227/cgroup" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 228 [pid 1477] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1477] chdir("./226" [pid 1476] close(13 [pid 312] close(4 [pid 310] unlink("./227/cgroup" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1477] <... chdir resumed>) = 0 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1476] close(14 [pid 312] rmdir("./235/config" [pid 310] <... unlink resumed>) = 0 [pid 1477] <... prctl resumed>) = 0 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1477] setpgid(0, 0 [pid 1476] close(15 [pid 312] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 1477] <... setpgid resumed>) = 0 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./235/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1477] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1476] close(16 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 1477] <... symlink resumed>) = 0 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./235/binderfs" [pid 1477] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 1476] close(17 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 1477] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./235/binderfs" [pid 310] rmdir("./227" [pid 1477] <... symlink resumed>) = 0 [pid 1476] close(18 [pid 1477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1477] <... openat resumed>) = 3 [pid 1476] close(19 [pid 312] umount2("./235/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./228", 0777 [pid 1477] write(3, "1000", 4 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1477] <... write resumed>) = 4 [pid 1476] close(20 [pid 312] newfstatat(AT_FDCWD, "./235/cgroup.net" [pid 310] <... mkdir resumed>) = 0 [pid 1477] close(3 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1477] <... close resumed>) = 0 [pid 1476] close(21 [pid 312] unlink("./235/cgroup.net" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1477] symlink("/dev/binderfs", "./binderfs" [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1477] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1476] close(22 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1477] write(1, "executing program\n", 18 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./235/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1477] <... write resumed>) = 18 [pid 1477] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1477] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-5-15/strace-static-x86_64: Process 1478 attached ) = -1 EEXIST (File exists) [pid 1476] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 230 [pid 1478] set_robust_list(0x55555bb49760, 24 [pid 1477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 executing program [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./235/cgroup.cpu" [pid 1478] <... set_robust_list resumed>) = 0 [pid 1477] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1476] close(24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1478] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1477] <... mkdirat resumed>) = 0 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1477] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1476] close(25 [pid 312] unlink("./235/cgroup.cpu" [pid 1478] chdir("./228" [pid 1477] <... symlinkat resumed>) = 0 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] <... chdir resumed>) = 0 [pid 1477] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1476] close(26 [pid 312] <... unlink resumed>) = 0 [pid 1478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1477] <... unlinkat resumed>) = 0 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./235/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1478] <... prctl resumed>) = 0 [pid 1477] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1476] close(27 [pid 1478] setpgid(0, 0 [pid 1477] <... unlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1477] close(3 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] <... setpgid resumed>) = 0 [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1476] close(28 [pid 312] newfstatat(AT_FDCWD, "./235/cgroup" [pid 1478] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1477] close(4 [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1478] <... symlink resumed>) = 0 [pid 1477] close(5 [pid 1476] close(29 [pid 312] unlink("./235/cgroup" [pid 1478] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1477] close(6 [pid 1478] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1476] exit_group(0 [pid 1478] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1477] close(7 [pid 1476] <... exit_group resumed>) = ? [pid 312] getdents64(3 [pid 1478] <... symlink resumed>) = 0 [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1477] close(8 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1477] close(9) = -1 EBADF (Bad file descriptor) [pid 1477] close(10) = -1 EBADF (Bad file descriptor) [pid 1477] close(11) = -1 EBADF (Bad file descriptor) [pid 1477] close(12) = -1 EBADF (Bad file descriptor) [pid 1477] close(13) = -1 EBADF (Bad file descriptor) [pid 1476] +++ exited with 0 +++ [pid 1477] close(14) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 1478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1477] close(15 [pid 312] <... close resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1478] <... openat resumed>) = 3 [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./235" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1478] write(3, "1000", 4 [pid 1477] close(16 [pid 1478] <... write resumed>) = 4 [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1478] close(3 [pid 1477] close(17 [pid 312] mkdir("./236", 0777 [pid 1478] <... close resumed>) = 0 [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1477] close(18) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 1478] symlink("/dev/binderfs", "./binderfs" [pid 1477] close(19 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1478] <... symlink resumed>) = 0 [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] write(1, "executing program\n", 18 [pid 1477] close(20 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1478] <... write resumed>) = 18 [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1478] mkdirat(AT_FDCWD, "./config", 0777 [pid 1477] close(21) = -1 EBADF (Bad file descriptor) [pid 1477] close(22) = -1 EBADF (Bad file descriptor) [pid 1477] close(23) = -1 EBADF (Bad file descriptor) [pid 1477] close(24) = -1 EBADF (Bad file descriptor) [pid 1477] close(25) = -1 EBADF (Bad file descriptor) [pid 1477] close(26) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1479 attached executing program [pid 1477] close(27 [pid 1479] set_robust_list(0x55555bb49760, 24 [pid 1478] <... mkdirat resumed>) = 0 [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 238 [pid 1479] <... set_robust_list resumed>) = 0 [pid 1478] mount(NULL, "./config", "configfs", 0, NULL [pid 1477] close(28 [pid 1479] rt_sigprocmask(SIG_SETMASK, [] [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1479] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1478] <... mount resumed>) = 0 [pid 1477] close(29 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1479] chdir("./236" [pid 1478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1479] <... chdir resumed>) = 0 [pid 1478] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1477] exit_group(0 [pid 1479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1477] <... exit_group resumed>) = ? [pid 1479] <... prctl resumed>) = 0 [pid 1478] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1477] +++ exited with 0 +++ [pid 1479] setpgid(0, 0 [pid 1478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1479] <... setpgid resumed>) = 0 [pid 1479] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 1478] <... mkdirat resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1479] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1478] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1479] <... symlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1479] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1478] <... symlinkat resumed>) = 0 [pid 1479] <... symlink resumed>) = 0 [pid 313] umount2("./239", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1478] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1479] <... openat resumed>) = 3 [pid 1478] <... unlinkat resumed>) = 0 [pid 311] umount2("./231", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1479] write(3, "1000", 4 [pid 1478] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1479] <... write resumed>) = 4 [pid 313] <... openat resumed>) = 3 [pid 1479] close(3) = 0 [pid 1478] <... unlinkat resumed>) = 0 [pid 313] fstat(3 [pid 311] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./226", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1479] symlink("/dev/binderfs", "./binderfs" [pid 1478] close(3 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1479] <... symlink resumed>) = 0 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1479] write(1, "executing program\n", 18 [pid 1478] close(4 [pid 313] getdents64(3 [pid 311] fstat(3 [pid 309] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1479] <... write resumed>) = 18 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1479] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1478] close(5 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 1479] <... mkdirat resumed>) = 0 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1479] mount(NULL, "./config", "configfs", 0, NULL [pid 1478] close(6 [pid 311] getdents64(3 [pid 309] fstat(3 [pid 1479] <... mount resumed>) = 0 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1478] close(7 [pid 1479] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1478] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1479] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./239/config" [pid 311] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1479] <... symlinkat resumed>) = 0 [pid 1478] close(9 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1479] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 313] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1479] <... unlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./231/config" [pid 1479] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1478] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1479] <... unlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1479] close(3) = -1 EBADF (Bad file descriptor) [pid 1479] close(4) = -1 EBADF (Bad file descriptor) [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./239/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1479] close(5 [pid 1478] close(11 [pid 311] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./226/config" [pid 1479] close(6 [pid 1478] close(12 [pid 313] fstat(4 [pid 311] openat(AT_FDCWD, "./231/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1479] close(7 [pid 1478] close(13 [pid 311] <... openat resumed>) = 4 [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1479] close(8) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1479] close(9 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 309] umount2("./226/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] close(14 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1479] close(10 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] close(15 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1479] close(11) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./226/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1479] close(12 [pid 313] close(4 [pid 311] getdents64(4 [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] close(16 [pid 313] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1479] close(13) = -1 EBADF (Bad file descriptor) [pid 1479] close(14 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./239/config" [pid 311] close(4 [pid 309] fstat(4 [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] close(17 [pid 1479] close(15 [pid 313] <... rmdir resumed>) = 0 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] close(18 [pid 313] umount2("./239/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./231/config" [pid 309] getdents64(4 [pid 1479] close(16 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] close(19 [pid 313] newfstatat(AT_FDCWD, "./239/binderfs" [pid 311] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1479] close(17 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./231/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] close(20 [pid 309] getdents64(4 [pid 1479] close(18 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./239/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] close(21 [pid 1479] close(19) = -1 EBADF (Bad file descriptor) [pid 1479] close(20 [pid 313] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./231/binderfs" [pid 309] close(4 [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./239/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1479] close(21 [pid 1478] close(22 [pid 309] <... close resumed>) = 0 [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1479] close(22 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./231/binderfs" [pid 309] rmdir("./226/config" [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] close(23 [pid 313] newfstatat(AT_FDCWD, "./239/cgroup.net" [pid 1479] close(23 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./231/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./226/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1479] close(24 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./239/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] close(25 [pid 313] <... unlink resumed>) = 0 [pid 1479] close(25 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./239/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./231/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./226/binderfs" [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1479] close(26 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./231/cgroup.net" [pid 309] unlink("./226/binderfs" [pid 1479] close(27 [pid 1478] close(27 [pid 313] newfstatat(AT_FDCWD, "./239/cgroup.cpu" [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1479] close(28 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1478] close(28 [pid 311] umount2("./231/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] unlink("./239/cgroup.cpu" [pid 309] umount2("./226/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1479] close(29 [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1479] exit_group(0 [pid 1478] close(29 [pid 313] umount2("./239/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./231/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./226/cgroup.net" [pid 1479] <... exit_group resumed>) = ? [pid 1478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1479] +++ exited with 0 +++ [pid 1478] exit_group(0 [pid 313] newfstatat(AT_FDCWD, "./239/cgroup" [pid 311] unlink("./231/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1478] <... exit_group resumed>) = ? [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] unlink("./226/cgroup.net" [pid 1478] +++ exited with 0 +++ [pid 313] unlink("./239/cgroup" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./231/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./226/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./231/cgroup" [pid 313] close(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./226/cgroup.cpu" [pid 313] rmdir("./239" [pid 311] unlink("./231/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] unlink("./226/cgroup.cpu" [pid 313] mkdir("./240", 0777 [pid 311] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 309] umount2("./226/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./226/cgroup" [pid 311] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1480 attached [pid 311] rmdir("./231" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1480] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 242 [pid 1480] <... set_robust_list resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./226/cgroup" [pid 1480] rt_sigprocmask(SIG_SETMASK, [] [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] mkdir("./232", 0777 [pid 1480] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1480] chdir("./240") = 0 [pid 311] <... mkdir resumed>) = 0 [pid 1480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1480] setpgid(0, 0) = 0 [pid 1480] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 309] getdents64(3 [pid 1480] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1480] <... symlink resumed>) = 0 [pid 1480] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] close(3 [pid 1480] <... symlink resumed>) = 0 executing program [pid 1480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... close resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1480] <... openat resumed>) = 3 [pid 1480] write(3, "1000", 4) = 4 [pid 1480] close(3) = 0 [pid 1480] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1480] write(1, "executing program\n", 18) = 18 ci2-android-5-15/strace-static-x86_64: Process 1481 attached [pid 1480] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 234 [pid 309] rmdir("./226" [pid 1481] set_robust_list(0x55555bb49760, 24 [pid 1480] <... mkdirat resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1480] mount(NULL, "./config", "configfs", 0, NULL [pid 1481] <... set_robust_list resumed>) = 0 [pid 1480] <... mount resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] umount2("./228", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1481] rt_sigprocmask(SIG_SETMASK, [] [pid 1480] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./227", 0777 [pid 1481] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1481] chdir("./232" [pid 1480] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 1481] <... chdir resumed>) = 0 [pid 1480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1480] <... mkdirat resumed>) = 0 [pid 1480] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] fstat(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1481] <... prctl resumed>) = 0 [pid 1480] <... symlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1481] setpgid(0, 0 [pid 1480] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] getdents64(3 [pid 1480] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1480] close(3) = -1 EBADF (Bad file descriptor) [pid 1480] close(4) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1482 attached [pid 1481] <... setpgid resumed>) = 0 [pid 1480] close(5 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 229 [pid 1482] set_robust_list(0x55555bb49760, 24 [pid 1481] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1482] <... set_robust_list resumed>) = 0 [pid 1480] close(6 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1481] <... symlink resumed>) = 0 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1480] close(7 [pid 1482] rt_sigprocmask(SIG_SETMASK, [] [pid 1481] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1482] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 1480] close(8 [pid 1481] <... symlink resumed>) = 0 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1482] chdir("./227" [pid 1481] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1480] close(9 [pid 1482] <... chdir resumed>) = 0 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1482] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1481] <... symlink resumed>) = 0 [pid 1480] close(10 [pid 310] newfstatat(AT_FDCWD, "./228/config" [pid 1482] <... prctl resumed>) = 0 [pid 1481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1482] setpgid(0, 0 [pid 1480] close(11 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1482] <... setpgid resumed>) = 0 [pid 1481] <... openat resumed>) = 3 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1482] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1481] write(3, "1000", 4 [pid 1480] close(12) = -1 EBADF (Bad file descriptor) [pid 1480] close(13 [pid 1481] <... write resumed>) = 4 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1482] <... symlink resumed>) = 0 [pid 1481] close(3 [pid 1480] close(14 [pid 312] umount2("./236", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./228/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1482] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1481] <... close resumed>) = 0 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1480] close(15 [pid 310] <... openat resumed>) = 4 [pid 1482] <... symlink resumed>) = 0 [pid 1481] symlink("/dev/binderfs", "./binderfs" [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1482] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1481] <... symlink resumed>) = 0 [pid 1480] close(16 [pid 310] fstat(4 [pid 1481] write(1, "executing program\n", 18 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 executing program [pid 1482] <... symlink resumed>) = 0 [pid 1481] <... write resumed>) = 18 [pid 1480] close(17 [pid 312] fstat(3 [pid 310] getdents64(4 [pid 1482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] mkdirat(AT_FDCWD, "./config", 0777 [pid 1480] close(18 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1482] <... openat resumed>) = 3 [pid 1481] <... mkdirat resumed>) = 0 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1482] write(3, "1000", 4 [pid 1481] mount(NULL, "./config", "configfs", 0, NULL [pid 1480] close(19 [pid 312] getdents64(3 [pid 310] getdents64(4 [pid 1482] <... write resumed>) = 4 [pid 1481] <... mount resumed>) = 0 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1482] close(3 [pid 1480] close(20 [pid 312] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1482] <... close resumed>) = 0 [pid 1481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1482] symlink("/dev/binderfs", "./binderfs" [pid 1481] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1480] close(21 [pid 312] <... umount2 resumed>) = 0 [pid 310] close(4 [pid 1482] <... symlink resumed>) = 0 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1482] write(1, "executing program\n", 18 [pid 1481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1480] close(22 [pid 310] <... close resumed>) = 0 [pid 1482] <... write resumed>) = 18 [pid 1481] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./228/config" [pid 1482] mkdirat(AT_FDCWD, "./config", 0777 [pid 1481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1480] close(23 [pid 312] newfstatat(AT_FDCWD, "./236/config" [pid 1482] <... mkdirat resumed>) = 0 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1480] close(24 [pid 1481] <... mkdirat resumed>) = 0 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1482] mount(NULL, "./config", "configfs", 0, NULL [pid 1481] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1480] close(25 [pid 310] umount2("./228/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1482] <... mount resumed>) = 0 [pid 1480] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1480] close(26) = -1 EBADF (Bad file descriptor) [pid 1480] close(27) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1480] close(28) = -1 EBADF (Bad file descriptor) [pid 1480] close(29) = -1 EBADF (Bad file descriptor) [pid 1480] exit_group(0) = ? [pid 1482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1481] <... symlinkat resumed>) = 0 [pid 1480] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./228/binderfs" [pid 1482] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1481] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] openat(AT_FDCWD, "./236/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1481] <... unlinkat resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... openat resumed>) = 4 [pid 310] unlink("./228/binderfs" [pid 1482] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1481] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] fstat(4 [pid 310] <... unlink resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 1481] <... unlinkat resumed>) = 0 [pid 1482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1481] close(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] umount2("./228/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1482] <... mkdirat resumed>) = 0 [pid 312] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1482] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./240", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./228/cgroup.net" [pid 1482] <... symlinkat resumed>) = 0 [pid 312] getdents64(4 [pid 1482] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1481] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1482] <... unlinkat resumed>) = 0 [pid 310] unlink("./228/cgroup.net" [pid 1482] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] close(4 [pid 310] <... unlink resumed>) = 0 [pid 1482] <... unlinkat resumed>) = 0 [pid 1481] close(5 [pid 312] <... close resumed>) = 0 [pid 310] umount2("./228/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1482] close(3 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] rmdir("./236/config" [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(6 [pid 313] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1482] close(4 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./228/cgroup.cpu" [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(7 [pid 313] getdents64(3 [pid 312] umount2("./236/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1482] close(5 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1481] close(8 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./228/cgroup.cpu" [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./236/binderfs" [pid 1482] close(6 [pid 1481] close(9 [pid 313] <... umount2 resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./228/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1482] close(7 [pid 1481] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./236/binderfs" [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(11 [pid 313] newfstatat(AT_FDCWD, "./240/config" [pid 312] umount2("./236/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./228/cgroup" [pid 1482] close(8 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(12 [pid 313] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1482] close(9 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./236/cgroup.net" [pid 310] unlink("./228/cgroup" [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(13 [pid 313] openat(AT_FDCWD, "./240/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1482] close(10 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1481] close(14 [pid 313] <... openat resumed>) = 4 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] unlink("./236/cgroup.net" [pid 310] getdents64(3 [pid 1482] close(11 [pid 1481] close(15 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1481] close(16 [pid 313] getdents64(4 [pid 1482] close(12 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./236/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(17 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 313] getdents64(4 [pid 1482] close(13 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] newfstatat(AT_FDCWD, "./236/cgroup.cpu" [pid 310] rmdir("./228" [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(18 [pid 313] close(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1482] close(14 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 312] unlink("./236/cgroup.cpu" [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(19 [pid 313] rmdir("./240/config" [pid 310] mkdir("./229", 0777 [pid 1482] close(15 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(20 [pid 312] umount2("./236/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1482] close(16 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./240/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./236/cgroup" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1482] close(17 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./240/binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1483 attached [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1481] close(22 [pid 312] unlink("./236/cgroup" [pid 1483] set_robust_list(0x55555bb49760, 24 [pid 1482] close(18 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./240/binderfs" [pid 1483] <... set_robust_list resumed>) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(23 [pid 312] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 231 [pid 1483] rt_sigprocmask(SIG_SETMASK, [] [pid 1482] close(19 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1483] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(24 [pid 313] umount2("./240/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1483] chdir("./229" [pid 1482] close(20 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1483] <... chdir resumed>) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(25 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(3 [pid 1483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1482] close(21 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./240/cgroup.net" [pid 312] <... close resumed>) = 0 [pid 1483] <... prctl resumed>) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(26 [pid 1483] setpgid(0, 0 [pid 1482] close(22 [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rmdir("./236" [pid 1483] <... setpgid resumed>) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] close(27 [pid 313] unlink("./240/cgroup.net" [pid 1483] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1482] close(23 [pid 312] <... rmdir resumed>) = 0 [pid 1483] <... symlink resumed>) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1483] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1482] close(24 [pid 1481] close(28 [pid 313] umount2("./240/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] mkdir("./237", 0777 [pid 1483] <... symlink resumed>) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1483] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1482] close(25 [pid 1481] close(29 [pid 312] <... mkdir resumed>) = 0 [pid 1483] <... symlink resumed>) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./240/cgroup.cpu" [pid 1483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1482] close(26 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1483] <... openat resumed>) = 3 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1481] exit_group(0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1483] write(3, "1000", 4 [pid 1482] close(27 [pid 1481] <... exit_group resumed>) = ? [pid 313] unlink("./240/cgroup.cpu" [pid 1483] <... write resumed>) = 4 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1483] close(3) = 0 [pid 1483] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1483] write(1, "executing program\n", 18) = 18 [pid 1483] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1481] +++ exited with 0 +++ [pid 1483] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1482] close(28 [pid 313] <... unlink resumed>) = 0 [pid 1483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) ci2-android-5-15/strace-static-x86_64: Process 1484 attached [pid 1483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./240/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1484] set_robust_list(0x55555bb49760, 24 [pid 1483] <... mkdirat resumed>) = 0 [pid 1484] <... set_robust_list resumed>) = 0 [pid 1483] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1482] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 239 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1484] rt_sigprocmask(SIG_SETMASK, [] [pid 1483] <... symlinkat resumed>) = 0 [pid 1482] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./240/cgroup" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1484] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1483] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1482] exit_group(0 [pid 1484] chdir("./237" [pid 1483] <... unlinkat resumed>) = 0 [pid 1482] <... exit_group resumed>) = ? [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1484] <... chdir resumed>) = 0 [pid 1483] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1483] <... unlinkat resumed>) = 0 [pid 1484] <... prctl resumed>) = 0 [pid 1483] close(3 [pid 1484] setpgid(0, 0 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1484] <... setpgid resumed>) = 0 [pid 1483] close(4 [pid 1482] +++ exited with 0 +++ executing program [pid 1484] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./240/cgroup" [pid 311] <... restart_syscall resumed>) = 0 [pid 1484] <... symlink resumed>) = 0 [pid 1483] close(5 [pid 1484] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1484] <... symlink resumed>) = 0 [pid 1483] close(6 [pid 313] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1484] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1484] <... symlink resumed>) = 0 [pid 1483] close(7 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1484] <... openat resumed>) = 3 [pid 1483] close(8 [pid 313] close(3 [pid 311] umount2("./232", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1484] write(3, "1000", 4 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1484] <... write resumed>) = 4 [pid 1483] close(9 [pid 313] rmdir("./240" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1484] close(3 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1484] <... close resumed>) = 0 [pid 1483] close(10 [pid 313] <... rmdir resumed>) = 0 [pid 311] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1484] symlink("/dev/binderfs", "./binderfs" [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./241", 0777 [pid 1484] <... symlink resumed>) = 0 [pid 1483] close(11 [pid 311] <... openat resumed>) = 3 [pid 1484] write(1, "executing program\n", 18 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1484] <... write resumed>) = 18 [pid 1483] close(12 [pid 313] <... mkdir resumed>) = 0 [pid 311] fstat(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 1484] mkdirat(AT_FDCWD, "./config", 0777 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1484] <... mkdirat resumed>) = 0 [pid 1483] close(13 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1484] mount(NULL, "./config", "configfs", 0, NULL [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] getdents64(3 [pid 1484] <... mount resumed>) = 0 [pid 1483] close(14 [pid 1484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1484] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1483] close(15 [pid 1484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1484] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1483] close(16ci2-android-5-15/strace-static-x86_64: Process 1485 attached [pid 1484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1485] set_robust_list(0x55555bb49760, 24 [pid 1484] <... mkdirat resumed>) = 0 [pid 1483] close(17 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 243 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./227", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] <... set_robust_list resumed>) = 0 [pid 1484] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] rt_sigprocmask(SIG_SETMASK, [] [pid 1484] <... symlinkat resumed>) = 0 [pid 1483] close(18 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1485] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1484] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 1485] chdir("./241" [pid 1484] <... unlinkat resumed>) = 0 [pid 1483] close(19 [pid 311] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1485] <... chdir resumed>) = 0 [pid 1484] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1484] <... unlinkat resumed>) = 0 [pid 1483] close(20 [pid 311] newfstatat(AT_FDCWD, "./232/config" [pid 309] <... openat resumed>) = 3 [pid 1485] <... prctl resumed>) = 0 [pid 1484] close(3 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1483] close(21 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 1485] setpgid(0, 0 [pid 1484] close(4 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] <... setpgid resumed>) = 0 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1483] close(22 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1484] close(5 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1485] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1483] close(23 [pid 311] openat(AT_FDCWD, "./232/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 1485] <... symlink resumed>) = 0 [pid 1484] close(6 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1483] close(24 [pid 311] <... openat resumed>) = 4 [pid 1485] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1484] close(7 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 1485] <... symlink resumed>) = 0 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1483] close(25 [pid 309] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1484] close(8 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1485] <... symlink resumed>) = 0 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1483] close(26 [pid 309] <... umount2 resumed>) = 0 [pid 1485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1484] close(9 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 309] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] <... openat resumed>) = 3 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1483] close(27 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1485] write(3, "1000", 4 [pid 1484] close(10 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1485] <... write resumed>) = 4 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1483] close(28 [pid 1485] close(3 [pid 1484] close(11 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./227/config" [pid 1485] <... close resumed>) = 0 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1483] close(29 [pid 311] close(4 [pid 1484] close(12 [pid 1483] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1485] symlink("/dev/binderfs", "./binderfs" [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1483] exit_group(0 [pid 311] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1485] <... symlink resumed>) = 0 [pid 1484] close(13 [pid 1483] <... exit_group resumed>) = ? [pid 1485] write(1, "executing program\n", 18 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1483] +++ exited with 0 +++ executing program [pid 311] rmdir("./232/config" [pid 309] umount2("./227/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] <... write resumed>) = 18 [pid 1484] close(14) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1485] mkdirat(AT_FDCWD, "./config", 0777 [pid 1484] close(15 [pid 311] umount2("./232/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "./227/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1485] <... mkdirat resumed>) = 0 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1485] mount(NULL, "./config", "configfs", 0, NULL [pid 1484] close(16 [pid 311] newfstatat(AT_FDCWD, "./232/binderfs" [pid 309] <... openat resumed>) = 4 [pid 1485] <... mount resumed>) = 0 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1484] close(17 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 1485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./232/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1484] close(18 [pid 1485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 1485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1484] close(19 [pid 311] umount2("./232/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1484] close(20) = -1 EBADF (Bad file descriptor) [pid 1484] close(21 [pid 1485] <... mkdirat resumed>) = 0 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1485] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1484] close(22 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1485] <... symlinkat resumed>) = 0 [pid 1484] close(23 [pid 311] newfstatat(AT_FDCWD, "./232/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1485] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 1485] <... unlinkat resumed>) = 0 [pid 1484] close(24 [pid 1485] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./232/cgroup.net" [pid 309] <... close resumed>) = 0 [pid 1484] close(25 [pid 1485] <... unlinkat resumed>) = 0 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1484] close(26 [pid 311] <... unlink resumed>) = 0 [pid 309] rmdir("./227/config" [pid 1485] close(3 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./232/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1484] close(27 [pid 309] <... rmdir resumed>) = 0 [pid 1485] close(4 [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1484] close(28 [pid 311] newfstatat(AT_FDCWD, "./232/cgroup.cpu" [pid 309] umount2("./227/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1485] close(5 [pid 1484] close(29 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./232/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1485] close(6 [pid 1484] exit_group(0) = ? [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1484] +++ exited with 0 +++ [pid 311] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./227/binderfs" [pid 1485] close(7 [pid 311] umount2("./232/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1485] close(8 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./227/binderfs" [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./232/cgroup" [pid 1485] close(9 [pid 309] <... unlink resumed>) = 0 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./227/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] close(10 [pid 311] unlink("./232/cgroup" [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1485] close(11 [pid 311] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./227/cgroup.net" [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1485] close(12 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./227/cgroup.net" [pid 311] close(3 [pid 1485] close(13 [pid 309] <... unlink resumed>) = 0 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1485] close(14 [pid 311] rmdir("./232" [pid 309] umount2("./227/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1485] close(15 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdir("./233", 0777 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./227/cgroup.cpu" [pid 311] <... mkdir resumed>) = 0 [pid 1485] close(16 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] unlink("./227/cgroup.cpu" [pid 1485] close(17 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... unlink resumed>) = 0 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./229", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1486 attached [pid 1485] close(18 [pid 310] <... openat resumed>) = 3 [pid 309] umount2("./227/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1486] set_robust_list(0x55555bb49760, 24 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 1486] <... set_robust_list resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1486] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 1486] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1486] chdir("./233" [pid 1485] close(19 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 235 [pid 310] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1486] <... chdir resumed>) = 0 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./227/cgroup" [pid 1486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1485] close(20 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1486] <... prctl resumed>) = 0 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1486] setpgid(0, 0 [pid 1485] close(21 [pid 310] newfstatat(AT_FDCWD, "./229/config" [pid 1486] <... setpgid resumed>) = 0 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./227/cgroup" [pid 1486] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1485] close(22 [pid 310] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1486] <... symlink resumed>) = 0 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1486] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 310] openat(AT_FDCWD, "./229/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1486] <... symlink resumed>) = 0 [pid 1485] close(23 [pid 310] <... openat resumed>) = 4 [pid 309] getdents64(3 [pid 1486] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1486] <... symlink resumed>) = 0 [pid 1485] close(24 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] close(3 [pid 1486] <... openat resumed>) = 3 [pid 1485] close(25 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1486] write(3, "1000", 4 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 1486] <... write resumed>) = 4 [pid 1485] close(26 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1486] close(3 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 309] rmdir("./227" [pid 1486] <... close resumed>) = 0 [pid 1485] close(27 [pid 310] <... close resumed>) = 0 [pid 1486] symlink("/dev/binderfs", "./binderfs" [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./229/config" [pid 309] <... rmdir resumed>) = 0 [pid 1486] <... symlink resumed>) = 0 [pid 1485] close(28 [pid 310] <... rmdir resumed>) = 0 [pid 1486] write(1, "executing program\n", 18 executing program [pid 310] umount2("./229/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1486] <... write resumed>) = 18 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./228", 0777 [pid 1486] mkdirat(AT_FDCWD, "./config", 0777 [pid 1485] close(29 [pid 310] newfstatat(AT_FDCWD, "./229/binderfs" [pid 1486] <... mkdirat resumed>) = 0 [pid 1485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1486] mount(NULL, "./config", "configfs", 0, NULL [pid 1485] exit_group(0 [pid 310] unlink("./229/binderfs" [pid 1486] <... mount resumed>) = 0 [pid 1485] <... exit_group resumed>) = ? [pid 312] <... restart_syscall resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./229/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1486] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] newfstatat(AT_FDCWD, "./229/cgroup.net" [pid 1486] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] unlink("./229/cgroup.net" [pid 1486] <... mkdirat resumed>) = 0 [pid 1485] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1486] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./229/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1486] <... symlinkat resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1486] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] umount2("./237", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./229/cgroup.cpu" [pid 1486] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1486] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] unlink("./229/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1487 attached [pid 1486] <... unlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1487] set_robust_list(0x55555bb49760, 24 [pid 1486] close(3 [pid 312] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./229/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 230 [pid 1487] <... set_robust_list resumed>) = 0 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1486] close(4 [pid 310] newfstatat(AT_FDCWD, "./229/cgroup" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1487] rt_sigprocmask(SIG_SETMASK, [] [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1487] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1486] close(5 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] unlink("./229/cgroup" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1487] chdir("./228" [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 312] getdents64(3 [pid 1487] <... chdir resumed>) = 0 [pid 1486] close(6 [pid 310] getdents64(3 [pid 1487] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1486] close(7 [pid 310] close(3 [pid 1487] <... prctl resumed>) = 0 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1487] setpgid(0, 0 [pid 1486] close(8 [pid 310] rmdir("./229" [pid 312] <... umount2 resumed>) = 0 [pid 1487] <... setpgid resumed>) = 0 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 1487] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1486] close(9 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./230", 0777 [pid 313] <... restart_syscall resumed>) = 0 [pid 1487] <... symlink resumed>) = 0 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./237/config" [pid 310] <... mkdir resumed>) = 0 [pid 1487] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1486] close(10 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1487] <... symlink resumed>) = 0 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1487] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1486] close(11 [pid 313] umount2("./241", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1487] <... symlink resumed>) = 0 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1486] close(12 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 232 ci2-android-5-15/strace-static-x86_64: Process 1488 attached [pid 1487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1488] set_robust_list(0x55555bb49760, 24 [pid 1487] <... openat resumed>) = 3 [pid 1486] close(13 [pid 312] openat(AT_FDCWD, "./237/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1488] <... set_robust_list resumed>) = 0 [pid 1487] write(3, "1000", 4 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] <... openat resumed>) = 4 [pid 1488] rt_sigprocmask(SIG_SETMASK, [] [pid 1487] <... write resumed>) = 4 [pid 1486] close(14 [pid 313] fstat(3 [pid 312] fstat(4 [pid 1488] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1487] close(3 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1488] chdir("./230" [pid 1487] <... close resumed>) = 0 [pid 1486] close(15 [pid 313] getdents64(3 [pid 312] getdents64(4 [pid 1488] <... chdir resumed>) = 0 [pid 1487] symlink("/dev/binderfs", "./binderfs" [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1486] close(16) = -1 EBADF (Bad file descriptor) [pid 1487] <... symlink resumed>) = 0 [pid 1486] close(17 [pid 313] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 1488] <... prctl resumed>) = 0 [pid 1487] write(1, "executing program\n", 18 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1488] setpgid(0, 0 [pid 1487] <... write resumed>) = 18 [pid 1486] close(18 [pid 1488] <... setpgid resumed>) = 0 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(4 [pid 1488] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1487] mkdirat(AT_FDCWD, "./config", 0777 [pid 1486] close(19) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1488] <... symlink resumed>) = 0 [pid 312] <... close resumed>) = 0 executing program [pid 1488] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1487] <... mkdirat resumed>) = 0 [pid 1486] close(20 [pid 313] newfstatat(AT_FDCWD, "./241/config" [pid 312] rmdir("./237/config" [pid 1488] <... symlink resumed>) = 0 [pid 1487] mount(NULL, "./config", "configfs", 0, NULL [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1486] close(21 [pid 312] <... rmdir resumed>) = 0 [pid 1487] <... mount resumed>) = 0 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1488] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1486] close(22 [pid 312] umount2("./237/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1488] <... symlink resumed>) = 0 [pid 1487] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1486] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./241/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1488] <... openat resumed>) = 3 [pid 1487] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1486] close(24 [pid 312] newfstatat(AT_FDCWD, "./237/binderfs" [pid 1488] write(3, "1000", 4 [pid 1487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1488] <... write resumed>) = 4 [pid 1486] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1486] close(26 [pid 1487] <... mkdirat resumed>) = 0 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1488] close(3 [pid 1487] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1486] close(27 [pid 313] fstat(4 [pid 312] unlink("./237/binderfs" [pid 1488] <... close resumed>) = 0 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] <... symlinkat resumed>) = 0 [pid 1486] close(28 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 executing program [pid 1488] symlink("/dev/binderfs", "./binderfs" [pid 1487] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 313] getdents64(4 [pid 1488] <... symlink resumed>) = 0 [pid 1486] close(29 [pid 1488] write(1, "executing program\n", 18 [pid 1487] <... unlinkat resumed>) = 0 [pid 1486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] umount2("./237/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1488] <... write resumed>) = 18 [pid 1487] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1486] exit_group(0 [pid 313] getdents64(4 [pid 1488] mkdirat(AT_FDCWD, "./config", 0777 [pid 1486] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1488] <... mkdirat resumed>) = 0 [pid 1487] <... unlinkat resumed>) = 0 [pid 1486] +++ exited with 0 +++ [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] newfstatat(AT_FDCWD, "./237/cgroup.net" [pid 1488] mount(NULL, "./config", "configfs", 0, NULL [pid 1487] close(3 [pid 313] close(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1488] <... mount resumed>) = 0 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1488] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1487] close(4 [pid 313] rmdir("./241/config" [pid 312] unlink("./237/cgroup.net" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1488] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1487] close(5 [pid 312] <... unlink resumed>) = 0 [pid 1488] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./241/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1488] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./237/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1488] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1487] close(6 [pid 313] newfstatat(AT_FDCWD, "./241/binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1488] <... mkdirat resumed>) = 0 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./237/cgroup.cpu" [pid 1488] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1487] close(7 [pid 313] unlink("./241/binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1488] <... symlinkat resumed>) = 0 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] close(8 [pid 313] <... unlink resumed>) = 0 [pid 1488] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./241/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./237/cgroup.cpu" [pid 1488] <... unlinkat resumed>) = 0 [pid 1487] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1488] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./241/cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 1488] <... unlinkat resumed>) = 0 [pid 1487] close(10 [pid 1488] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./237/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] close(11 [pid 313] unlink("./241/cgroup.net" [pid 1488] close(4 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] close(12 [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./237/cgroup" [pid 1488] close(5 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./241/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1487] close(13 [pid 1488] close(6 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./237/cgroup" [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] close(14 [pid 313] newfstatat(AT_FDCWD, "./241/cgroup.cpu" [pid 1488] close(7 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] close(15 [pid 313] unlink("./241/cgroup.cpu" [pid 1488] close(8 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] close(16 [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1488] close(9 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./241/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(3 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1488] close(10 [pid 313] newfstatat(AT_FDCWD, "./241/cgroup" [pid 312] rmdir("./237" [pid 1487] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./241/cgroup" [pid 312] <... rmdir resumed>) = 0 [pid 1488] close(11 [pid 1487] close(19 [pid 313] <... unlink resumed>) = 0 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] mkdir("./238", 0777 [pid 1488] close(12 [pid 1487] close(20 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1488] close(13 [pid 1487] close(21 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1488] close(14 [pid 1487] close(22 [pid 313] rmdir("./241" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1489 attached [pid 1488] close(15 [pid 1487] close(23 [pid 313] mkdir("./242", 0777 [pid 1489] set_robust_list(0x55555bb49760, 24 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] <... set_robust_list resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 1488] close(16 [pid 1489] rt_sigprocmask(SIG_SETMASK, [] [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] close(24 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 240 [pid 1489] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1488] close(17 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1489] chdir("./238" [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] close(25 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... restart_syscall resumed>) = 0 [pid 1489] <... chdir resumed>) = 0 [pid 1488] close(18 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1489] setpgid(0, 0) = 0 [pid 1489] symlink("/syzcgroup/unified/syz3", "./cgroup"ci2-android-5-15/strace-static-x86_64: Process 1490 attached ) = 0 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] close(26 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1490] set_robust_list(0x55555bb49760, 24 [pid 1489] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1488] close(19 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 244 [pid 1490] <... set_robust_list resumed>) = 0 [pid 1489] <... symlink resumed>) = 0 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] close(27 [pid 1490] rt_sigprocmask(SIG_SETMASK, [] [pid 1489] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1488] close(20 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./233", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1490] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1489] <... symlink resumed>) = 0 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1490] chdir("./242" [pid 1487] close(28 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1490] <... chdir resumed>) = 0 [pid 1489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1488] close(21 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1489] <... openat resumed>) = 3 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] close(29 [pid 1490] setpgid(0, 0 [pid 1489] write(3, "1000", 4 [pid 1488] close(22 [pid 1487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1490] <... setpgid resumed>) = 0 [pid 1489] <... write resumed>) = 4 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1490] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1489] close(3 [pid 1488] close(23 [pid 1487] exit_group(0 [pid 311] fstat(3 [pid 1490] <... symlink resumed>) = 0 [pid 1489] <... close resumed>) = 0 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1487] <... exit_group resumed>) = ? [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1490] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1489] symlink("/dev/binderfs", "./binderfs" [pid 1488] close(24 [pid 1490] <... symlink resumed>) = 0 [pid 1490] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 1490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1487] +++ exited with 0 +++ [pid 1490] <... openat resumed>) = 3 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1490] write(3, "1000", 4 [pid 1489] <... symlink resumed>) = 0 [pid 1488] close(25 [pid 1490] <... write resumed>) = 4 [pid 1489] write(1, "executing program\n", 18 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1490] close(3 [pid 1489] <... write resumed>) = 18 [pid 1488] close(26 [pid 311] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1490] <... close resumed>) = 0 executing program [pid 1490] symlink("/dev/binderfs", "./binderfs" [pid 1489] mkdirat(AT_FDCWD, "./config", 0777 [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1490] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 1490] write(1, "executing program\n", 18 [pid 1489] <... mkdirat resumed>) = 0 [pid 1488] close(27 [pid 311] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1490] <... write resumed>) = 18 executing program [pid 1490] mkdirat(AT_FDCWD, "./config", 0777 [pid 1489] mount(NULL, "./config", "configfs", 0, NULL [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1490] <... mkdirat resumed>) = 0 [pid 1490] mount(NULL, "./config", "configfs", 0, NULL [pid 1489] <... mount resumed>) = 0 [pid 1490] <... mount resumed>) = 0 [pid 1488] close(28 [pid 1489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] newfstatat(AT_FDCWD, "./233/config" [pid 1490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1489] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1490] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1488] close(29 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1489] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1490] <... mkdirat resumed>) = 0 [pid 1488] exit_group(0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1490] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1489] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1488] <... exit_group resumed>) = ? [pid 311] openat(AT_FDCWD, "./233/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1490] <... symlinkat resumed>) = 0 [pid 1490] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1489] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1490] <... unlinkat resumed>) = 0 [pid 1490] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1490] close(3) = -1 EBADF (Bad file descriptor) [pid 1488] +++ exited with 0 +++ [pid 1490] close(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... restart_syscall resumed>) = 0 [pid 1490] close(5 [pid 1489] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 311] fstat(4 [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1490] close(6) = -1 EBADF (Bad file descriptor) [pid 1490] close(7 [pid 1489] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1489] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./228", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1490] close(8 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1490] close(9 [pid 1489] close(3 [pid 311] getdents64(4 [pid 309] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1490] close(10 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1489] close(4 [pid 309] <... openat resumed>) = 3 [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 309] fstat(3 [pid 1490] close(11 [pid 1489] close(5 [pid 311] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./233/config" [pid 1490] close(12 [pid 1489] close(6 [pid 309] getdents64(3 [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1490] close(13) = -1 EBADF (Bad file descriptor) [pid 1490] close(14) = -1 EBADF (Bad file descriptor) [pid 1490] close(15) = -1 EBADF (Bad file descriptor) [pid 1490] close(16) = -1 EBADF (Bad file descriptor) [pid 1490] close(17) = -1 EBADF (Bad file descriptor) [pid 1490] close(18) = -1 EBADF (Bad file descriptor) [pid 1490] close(19 [pid 311] <... rmdir resumed>) = 0 [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./233/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1490] close(20 [pid 1489] close(7 [pid 309] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1490] close(21 [pid 310] umount2("./230", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 1489] close(8 [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./233/binderfs" [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1490] close(22 [pid 310] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] close(9 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1490] close(23 [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./233/binderfs" [pid 310] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./228/config" [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] close(10 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1490] close(24 [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./233/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] close(11 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1490] close(25 [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./233/cgroup.net" [pid 310] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./228/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] close(12 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1490] close(26 [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./233/cgroup.net" [pid 310] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] close(13 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./228/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1490] close(27 [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./233/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./230/config" [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 1490] close(28 [pid 1489] close(14 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./233/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 1490] close(29 [pid 1489] close(15 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./230/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./233/cgroup.cpu" [pid 310] <... openat resumed>) = 4 [pid 1490] exit_group(0 [pid 1489] close(16 [pid 310] fstat(4 [pid 309] getdents64(4 [pid 311] <... unlink resumed>) = 0 [pid 1490] <... exit_group resumed>) = ? [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1490] +++ exited with 0 +++ [pid 1489] close(17 [pid 311] umount2("./233/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 310] getdents64(4 [pid 1489] close(18 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] newfstatat(AT_FDCWD, "./233/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 1489] close(19 [pid 311] unlink("./233/cgroup" [pid 310] <... close resumed>) = 0 [pid 309] close(4 [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./230/config" [pid 1489] close(20 [pid 311] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./230/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1489] close(21 [pid 309] rmdir("./228/config" [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 310] newfstatat(AT_FDCWD, "./230/binderfs" [pid 1489] close(22 [pid 311] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./233" [pid 310] unlink("./230/binderfs" [pid 1489] close(23 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./228/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./230/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1489] close(24 [pid 311] mkdir("./234", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./230/cgroup.net" [pid 1489] close(25 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./228/binderfs" [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] unlink("./230/cgroup.net" [pid 1489] close(26 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./230/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1489] close(27 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./228/binderfs" [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./230/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./230/cgroup.cpu") = 0 [pid 310] umount2("./230/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1491 attached [pid 1489] close(28 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1491] set_robust_list(0x55555bb49760, 24 [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 236 [pid 310] newfstatat(AT_FDCWD, "./230/cgroup" [pid 309] umount2("./228/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1491] <... set_robust_list resumed>) = 0 [pid 1489] close(29 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1491] rt_sigprocmask(SIG_SETMASK, [] [pid 1489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./230/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1491] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1489] exit_group(0 [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./228/cgroup.net" [pid 1491] chdir("./234" [pid 1489] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 1491] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(3 [pid 1491] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1491] setpgid(0, 0 [pid 310] rmdir("./230" [pid 1491] <... setpgid resumed>) = 0 [pid 1489] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 1491] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 310] mkdir("./231", 0777 [pid 309] unlink("./228/cgroup.net" [pid 1491] <... symlink resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... mkdir resumed>) = 0 [pid 1491] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... unlink resumed>) = 0 [pid 1491] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./228/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1491] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1491] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1492 attached [pid 1491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 233 [pid 309] newfstatat(AT_FDCWD, "./228/cgroup.cpu" [pid 1492] set_robust_list(0x55555bb49760, 24 [pid 1491] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1491] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1492] <... set_robust_list resumed>) = 0 [pid 1491] <... write resumed>) = 4 [pid 309] unlink("./228/cgroup.cpu" [pid 1491] close(3 [pid 1492] rt_sigprocmask(SIG_SETMASK, [] [pid 1491] <... close resumed>) = 0 [pid 1491] symlink("/dev/binderfs", "./binderfs" [pid 1492] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1491] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 executing program [pid 1491] write(1, "executing program\n", 18 [pid 1492] chdir("./231" [pid 1491] <... write resumed>) = 18 [pid 309] umount2("./228/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1492] <... chdir resumed>) = 0 [pid 1491] mkdirat(AT_FDCWD, "./config", 0777 [pid 1492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1491] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1492] <... prctl resumed>) = 0 [pid 1491] mount(NULL, "./config", "configfs", 0, NULL [pid 309] newfstatat(AT_FDCWD, "./228/cgroup" [pid 1492] setpgid(0, 0 [pid 1491] <... mount resumed>) = 0 [pid 1492] <... setpgid resumed>) = 0 [pid 1491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1492] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1491] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./228/cgroup" [pid 1491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1492] <... symlink resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1491] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 1492] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(3 [pid 1492] <... symlink resumed>) = 0 [pid 1491] <... mkdirat resumed>) = 0 [pid 1492] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1491] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1492] <... symlink resumed>) = 0 [pid 1491] <... symlinkat resumed>) = 0 [pid 312] umount2("./238", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1491] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1492] <... openat resumed>) = 3 [pid 1491] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1492] write(3, "1000", 4 [pid 1491] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./228" [pid 1492] <... write resumed>) = 4 [pid 1491] <... unlinkat resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 1491] close(3 [pid 1492] close(3 [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] fstat(3 [pid 309] <... rmdir resumed>) = 0 [pid 1491] close(4 [pid 1492] <... close resumed>) = 0 [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1492] symlink("/dev/binderfs", "./binderfs" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] mkdir("./229", 0777 [pid 1491] close(5 [pid 312] getdents64(3 [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1492] <... symlink resumed>) = 0 [pid 1491] close(6 [pid 313] umount2("./242", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 executing program [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1492] write(1, "executing program\n", 18 [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1492] <... write resumed>) = 18 [pid 1491] close(7 [pid 313] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1492] mkdirat(AT_FDCWD, "./config", 0777 [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1491] close(8 [pid 1492] <... mkdirat resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1491] close(9) = -1 EBADF (Bad file descriptor) [pid 1491] close(10) = -1 EBADF (Bad file descriptor) [pid 1491] close(11) = -1 EBADF (Bad file descriptor) [pid 1491] close(12ci2-android-5-15/strace-static-x86_64: Process 1493 attached [pid 1492] mount(NULL, "./config", "configfs", 0, NULL [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 312] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 231 [pid 1493] set_robust_list(0x55555bb49760, 24 [pid 1492] <... mount resumed>) = 0 [pid 1491] close(13 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1493] <... set_robust_list resumed>) = 0 [pid 1492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1493] rt_sigprocmask(SIG_SETMASK, [] [pid 1491] close(14 [pid 313] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./238/config" [pid 1493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1492] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1493] chdir("./229" [pid 1492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1491] close(15 [pid 313] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1493] <... chdir resumed>) = 0 [pid 1492] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1491] close(16 [pid 313] <... umount2 resumed>) = 0 [pid 312] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1491] close(17 [pid 1492] <... mkdirat resumed>) = 0 [pid 1493] <... prctl resumed>) = 0 [pid 1492] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1493] setpgid(0, 0 [pid 1492] <... symlinkat resumed>) = 0 [pid 1491] close(18 [pid 312] openat(AT_FDCWD, "./238/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1493] <... setpgid resumed>) = 0 [pid 1492] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1492] <... unlinkat resumed>) = 0 [pid 1491] close(19 [pid 313] newfstatat(AT_FDCWD, "./242/config" [pid 312] <... openat resumed>) = 4 [pid 1493] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1492] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] fstat(4 [pid 1493] <... symlink resumed>) = 0 [pid 1491] close(20) = -1 EBADF (Bad file descriptor) [pid 1492] <... unlinkat resumed>) = 0 [pid 1491] close(21 [pid 313] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1493] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1492] close(3 [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1491] close(22 [pid 312] getdents64(4 [pid 1493] <... symlink resumed>) = 0 [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./242/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1493] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1492] close(4 [pid 1491] close(23 [pid 313] <... openat resumed>) = 4 [pid 312] getdents64(4 [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1493] <... symlink resumed>) = 0 [pid 1491] close(24 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] fstat(4 [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1492] close(5 [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] close(4 [pid 1493] <... openat resumed>) = 3 [pid 1491] close(25 [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1493] write(3, "1000", 4 [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... close resumed>) = 0 [pid 1493] <... write resumed>) = 4 [pid 1492] close(6 [pid 1491] close(26 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] rmdir("./238/config" [pid 1493] close(3 [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1493] <... close resumed>) = 0 [pid 1492] close(7 [pid 1491] close(27 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 1493] symlink("/dev/binderfs", "./binderfs" [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1491] close(28 [pid 312] umount2("./238/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1493] <... symlink resumed>) = 0 [pid 1492] close(8 [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1491] close(29 [pid 313] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1493] write(1, "executing program\n", 18 [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./242/config" [pid 1493] <... write resumed>) = 18 [pid 1492] close(9 [pid 1491] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./238/binderfs" [pid 1491] <... exit_group resumed>) = ? [pid 313] <... rmdir resumed>) = 0 [pid 1493] mkdirat(AT_FDCWD, "./config", 0777 [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1491] +++ exited with 0 +++ [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./242/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1492] close(10 [pid 1493] <... mkdirat resumed>) = 0 [pid 312] unlink("./238/binderfs" [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1493] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1492] close(11 [pid 312] <... unlink resumed>) = 0 [pid 1493] <... mount resumed>) = 0 [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./242/binderfs" [pid 312] umount2("./238/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1492] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1493] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./242/binderfs" [pid 312] newfstatat(AT_FDCWD, "./238/cgroup.net" [pid 1493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1492] close(13 [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1493] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./242/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./238/cgroup.net" [pid 1493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1492] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1493] <... mkdirat resumed>) = 0 [pid 1492] close(15 [pid 313] newfstatat(AT_FDCWD, "./242/cgroup.net" [pid 1493] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./238/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1493] <... symlinkat resumed>) = 0 [pid 1492] close(16 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1493] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./242/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./238/cgroup.cpu" [pid 1493] <... unlinkat resumed>) = 0 [pid 1492] close(17 [pid 313] <... unlink resumed>) = 0 [pid 1493] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./242/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1493] <... unlinkat resumed>) = 0 [pid 1492] close(18 [pid 1493] close(3 [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./238/cgroup.cpu" [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1492] close(19 [pid 313] newfstatat(AT_FDCWD, "./242/cgroup.cpu" [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1493] close(4 [pid 1492] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./238/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./242/cgroup.cpu" [pid 1493] close(5 [pid 1492] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./238/cgroup" [pid 1493] close(6 [pid 1492] close(22 [pid 313] umount2("./242/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1493] close(7 [pid 1492] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./238/cgroup" [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./242/cgroup" [pid 1493] close(8 [pid 1492] close(24 [pid 312] <... unlink resumed>) = 0 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(3 [pid 1493] close(9 [pid 1492] close(25 [pid 313] unlink("./242/cgroup" [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1493] close(10 [pid 1492] close(26 [pid 313] <... unlink resumed>) = 0 [pid 312] close(3 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1493] close(11 [pid 1492] close(27 [pid 312] <... close resumed>) = 0 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] rmdir("./238" [pid 1493] close(12 [pid 1492] close(28 [pid 313] close(3 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1493] close(13 [pid 1492] close(29 [pid 313] <... close resumed>) = 0 [pid 312] mkdir("./239", 0777 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./242" [pid 312] <... mkdir resumed>) = 0 [pid 1492] exit_group(0 [pid 313] <... rmdir resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1493] close(14 [pid 1492] <... exit_group resumed>) = ? [pid 313] mkdir("./243", 0777 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1492] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1493] close(15 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1494 attached [pid 1493] close(16 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1494] set_robust_list(0x55555bb49760, 24 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... set_robust_list resumed>) = 0 [pid 1494] rt_sigprocmask(SIG_SETMASK, [] [pid 1493] close(17 [pid 1494] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1495 attached [pid 1494] chdir("./239" [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 241 [pid 1495] set_robust_list(0x55555bb49760, 24 [pid 1494] <... chdir resumed>) = 0 [pid 1493] close(18 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 245 [pid 1495] <... set_robust_list resumed>) = 0 [pid 1494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1494] <... prctl resumed>) = 0 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1495] rt_sigprocmask(SIG_SETMASK, [] [pid 1494] setpgid(0, 0 [pid 1493] close(19 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1495] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1494] <... setpgid resumed>) = 0 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1495] chdir("./243" [pid 1494] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1493] close(20 [pid 1495] <... chdir resumed>) = 0 [pid 1494] <... symlink resumed>) = 0 [pid 1495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1494] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1495] <... prctl resumed>) = 0 [pid 1494] <... symlink resumed>) = 0 [pid 1493] close(21 [pid 1495] setpgid(0, 0 [pid 1494] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] <... restart_syscall resumed>) = 0 [pid 1495] <... setpgid resumed>) = 0 [pid 1494] <... symlink resumed>) = 0 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1495] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1494] <... openat resumed>) = 3 [pid 1493] close(22 [pid 1494] write(3, "1000", 4 [pid 1495] <... symlink resumed>) = 0 [pid 1494] <... write resumed>) = 4 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] close(3 [pid 1495] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1494] <... close resumed>) = 0 [pid 1493] close(23 [pid 1495] <... symlink resumed>) = 0 [pid 1494] symlink("/dev/binderfs", "./binderfs" [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1495] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1494] <... symlink resumed>) = 0 [pid 1493] close(24 [pid 311] umount2("./234", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1495] <... symlink resumed>) = 0 [pid 1494] write(1, "executing program\n", 18 executing program [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1494] <... write resumed>) = 18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 1495] <... openat resumed>) = 3 [pid 1494] mkdirat(AT_FDCWD, "./config", 0777 [pid 1493] close(25 [pid 311] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1495] write(3, "1000", 4 [pid 1494] <... mkdirat resumed>) = 0 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1495] <... write resumed>) = 4 [pid 1494] mount(NULL, "./config", "configfs", 0, NULL [pid 1493] close(26 [pid 311] fstat(3 [pid 310] umount2("./231", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1495] close(3 [pid 1494] <... mount resumed>) = 0 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1495] <... close resumed>) = 0 [pid 1494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1493] close(27 [pid 310] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1495] symlink("/dev/binderfs", "./binderfs" [pid 1494] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 310] <... openat resumed>) = 3 [pid 1494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(3 [pid 1495] <... symlink resumed>) = 0 [pid 1494] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1493] close(28 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1495] write(1, "executing program\n", 18 [pid 1494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 310] getdents64(3 [pid 1495] <... write resumed>) = 18 [pid 1494] <... mkdirat resumed>) = 0 [pid 1493] close(29 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1495] mkdirat(AT_FDCWD, "./config", 0777 [pid 1494] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1493] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1495] <... mkdirat resumed>) = 0 [pid 1494] <... symlinkat resumed>) = 0 [pid 1493] exit_group(0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 1495] mount(NULL, "./config", "configfs", 0, NULL [pid 1494] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1493] <... exit_group resumed>) = ? [pid 311] newfstatat(AT_FDCWD, "./234/config" [pid 310] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1495] <... mount resumed>) = 0 [pid 1494] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1494] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./231/config" [pid 1494] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1494] close(3 [pid 1493] +++ exited with 0 +++ [pid 310] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1494] close(4 [pid 311] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./231/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 1494] close(5 [pid 310] fstat(4 [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1494] close(6 [pid 311] openat(AT_FDCWD, "./234/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 1495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1494] close(7 [pid 310] getdents64(4 [pid 1495] <... mkdirat resumed>) = 0 [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1495] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1494] close(8 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] close(4 [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1495] <... symlinkat resumed>) = 0 [pid 1494] close(9 [pid 311] getdents64(4 [pid 1495] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rmdir("./231/config" [pid 1495] <... unlinkat resumed>) = 0 [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... rmdir resumed>) = 0 [pid 1495] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1494] close(10 [pid 311] getdents64(4 [pid 310] umount2("./231/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 1495] <... unlinkat resumed>) = 0 [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1495] close(3 [pid 1494] close(11 [pid 311] close(4 [pid 310] newfstatat(AT_FDCWD, "./231/binderfs" [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./229", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1494] close(12 [pid 310] unlink("./231/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1495] close(4 [pid 1494] close(13 [pid 311] rmdir("./234/config" [pid 310] umount2("./231/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1495] close(5 [pid 1494] close(14 [pid 311] umount2("./234/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./231/cgroup.net" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1495] close(6 [pid 1494] close(15 [pid 311] newfstatat(AT_FDCWD, "./234/binderfs" [pid 310] unlink("./231/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1495] close(7 [pid 1494] close(16 [pid 311] unlink("./234/binderfs" [pid 310] umount2("./231/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1495] close(8 [pid 1494] close(17 [pid 311] umount2("./234/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./231/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./229/config" [pid 1495] close(9 [pid 1494] close(18 [pid 311] newfstatat(AT_FDCWD, "./234/cgroup.net" [pid 310] unlink("./231/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./229/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1495] close(10 [pid 1494] close(19 [pid 311] unlink("./234/cgroup.net" [pid 310] umount2("./231/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./229/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1495] close(11 [pid 1494] close(20 [pid 311] umount2("./234/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./231/cgroup" [pid 309] <... openat resumed>) = 4 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 1495] close(12 [pid 1494] close(21 [pid 311] newfstatat(AT_FDCWD, "./234/cgroup.cpu" [pid 310] unlink("./231/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 1495] close(13 [pid 1494] close(22 [pid 311] unlink("./234/cgroup.cpu" [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 1495] close(14 [pid 1494] close(23 [pid 311] umount2("./234/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] close(4 [pid 1495] close(15 [pid 1494] close(24 [pid 311] newfstatat(AT_FDCWD, "./234/cgroup" [pid 310] rmdir("./231" [pid 309] <... close resumed>) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./229/config" [pid 1495] close(16 [pid 1494] close(25 [pid 311] unlink("./234/cgroup" [pid 310] mkdir("./232", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./229/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1495] close(17 [pid 1494] close(26 [pid 311] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./229/binderfs" [pid 1495] close(18 [pid 1494] close(27 [pid 311] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1496 attached [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] unlink("./229/binderfs" [pid 1496] set_robust_list(0x55555bb49760, 24 [pid 1495] close(19 [pid 1494] close(28 [pid 311] rmdir("./234" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 234 [pid 309] <... unlink resumed>) = 0 [pid 1496] <... set_robust_list resumed>) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./229/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1496] rt_sigprocmask(SIG_SETMASK, [] [pid 1495] close(20 [pid 1494] close(29 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1496] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] mkdir("./235", 0777 [pid 309] newfstatat(AT_FDCWD, "./229/cgroup.net" [pid 1496] chdir("./232" [pid 1495] close(21 [pid 1494] exit_group(0 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1496] <... chdir resumed>) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1494] <... exit_group resumed>) = ? [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./229/cgroup.net" [pid 1496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1495] close(22 [pid 1494] +++ exited with 0 +++ [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1496] <... prctl resumed>) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./229/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1496] setpgid(0, 0 [pid 1495] close(23 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1497 attached [pid 1496] <... setpgid resumed>) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./229/cgroup.cpu" [pid 1497] set_robust_list(0x55555bb49760, 24 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 237 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1497] <... set_robust_list resumed>) = 0 [pid 1496] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1495] close(24 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./229/cgroup.cpu" [pid 1497] rt_sigprocmask(SIG_SETMASK, [] [pid 1496] <... symlink resumed>) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1497] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1496] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1495] close(25 [pid 309] umount2("./229/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1497] chdir("./235" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1497] <... chdir resumed>) = 0 [pid 1496] <... symlink resumed>) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./229/cgroup" [pid 1497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1496] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1495] close(26 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1497] <... prctl resumed>) = 0 [pid 309] unlink("./229/cgroup" [pid 1497] setpgid(0, 0 [pid 1496] <... symlink resumed>) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1497] <... setpgid resumed>) = 0 [pid 1496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1495] close(27 [pid 309] getdents64(3 [pid 1497] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1496] <... openat resumed>) = 3 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1497] <... symlink resumed>) = 0 [pid 1496] write(3, "1000", 4 [pid 1495] close(28 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1497] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1496] <... write resumed>) = 4 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./229" [pid 1497] <... symlink resumed>) = 0 [pid 1496] close(3 [pid 1495] close(29 [pid 309] <... rmdir resumed>) = 0 [pid 1497] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1496] <... close resumed>) = 0 [pid 1495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./230", 0777 [pid 1497] <... symlink resumed>) = 0 [pid 1496] symlink("/dev/binderfs", "./binderfs" [pid 1495] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 312] umount2("./239", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1496] <... symlink resumed>) = 0 [pid 1495] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1497] <... openat resumed>) = 3 [pid 312] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1498 attached [pid 1495] +++ exited with 0 +++ [pid 1498] set_robust_list(0x55555bb49760, 24 executing program [pid 1497] write(3, "1000", 4 [pid 1496] write(1, "executing program\n", 18 [pid 312] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 232 [pid 1498] <... set_robust_list resumed>) = 0 [pid 1497] <... write resumed>) = 4 [pid 1496] <... write resumed>) = 18 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1498] rt_sigprocmask(SIG_SETMASK, [] [pid 1497] close(3 [pid 1496] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1498] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1497] <... close resumed>) = 0 [pid 1498] chdir("./230" [pid 1497] symlink("/dev/binderfs", "./binderfs" [pid 1496] <... mkdirat resumed>) = 0 [pid 312] getdents64(3 [pid 1498] <... chdir resumed>) = 0 [pid 1498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1497] <... symlink resumed>) = 0 [pid 1496] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1498] <... prctl resumed>) = 0 [pid 1497] write(1, "executing program\n", 18 executing program [pid 1498] setpgid(0, 0 [pid 1496] <... mount resumed>) = 0 [pid 312] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1497] <... write resumed>) = 18 [pid 1498] <... setpgid resumed>) = 0 [pid 1496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1498] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1497] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... umount2 resumed>) = 0 [pid 1498] <... symlink resumed>) = 0 [pid 1496] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1498] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 1498] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1497] <... mkdirat resumed>) = 0 [pid 1496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1498] <... symlink resumed>) = 0 [pid 1497] mount(NULL, "./config", "configfs", 0, NULL [pid 1496] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1498] <... openat resumed>) = 3 [pid 1497] <... mount resumed>) = 0 [pid 1496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] newfstatat(AT_FDCWD, "./239/config" [pid 1498] write(3, "1000", 4 [pid 1497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1498] <... write resumed>) = 4 [pid 1498] close(3) = 0 [pid 1496] <... mkdirat resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1498] symlink("/dev/binderfs", "./binderfs" [pid 1497] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1496] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1498] <... symlink resumed>) = 0 [pid 1497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1498] write(1, "executing program\n", 18 [pid 1496] <... symlinkat resumed>) = 0 executing program [pid 1498] <... write resumed>) = 18 [pid 1497] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1496] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1498] mkdirat(AT_FDCWD, "./config", 0777 [pid 1497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1498] <... mkdirat resumed>) = 0 [pid 1496] <... unlinkat resumed>) = 0 [pid 312] openat(AT_FDCWD, "./239/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1498] mount(NULL, "./config", "configfs", 0, NULL [pid 1497] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1496] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1498] <... mount resumed>) = 0 [pid 1497] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... openat resumed>) = 4 [pid 1498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1496] <... unlinkat resumed>) = 0 [pid 1498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1497] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1496] close(3 [pid 312] fstat(4 [pid 1498] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1497] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1498] <... symlinkat resumed>) = 0 [pid 1497] <... unlinkat resumed>) = 0 [pid 312] getdents64(4 [pid 1498] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1497] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1496] close(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1498] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1497] <... unlinkat resumed>) = 0 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1498] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1497] close(3 [pid 1496] close(5 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1498] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1498] close(3 [pid 1497] close(4 [pid 1496] close(6 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1498] close(4 [pid 1497] close(5 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./239/config" [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] close(7 [pid 1498] close(5 [pid 1497] close(6 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] close(8 [pid 312] umount2("./239/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1498] close(6 [pid 1497] close(7 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1496] close(9 [pid 312] newfstatat(AT_FDCWD, "./239/binderfs" [pid 1497] close(8 [pid 1498] close(7 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] close(10 [pid 312] unlink("./239/binderfs" [pid 1498] close(8 [pid 1497] close(9 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1498] close(9 [pid 1497] close(10 [pid 1496] close(11 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./239/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1498] close(10 [pid 1497] close(11 [pid 1496] close(12 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1498] close(11 [pid 1497] close(12 [pid 1496] close(13 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./239/cgroup.net" [pid 1498] close(12 [pid 1497] close(13 [pid 1496] close(14 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1498] close(13 [pid 1497] close(14 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./239/cgroup.net" [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] close(15 [pid 1498] close(14 [pid 1497] close(15 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] close(16 [pid 312] umount2("./239/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1498] close(15 [pid 1497] close(16 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] close(17 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1498] close(16 [pid 1497] close(17 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./239/cgroup.cpu" [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] close(18 [pid 1498] close(17 [pid 1497] close(18 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] close(19 [pid 1498] close(18 [pid 1497] close(19 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./239/cgroup.cpu" [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] close(20 [pid 312] <... unlink resumed>) = 0 [pid 1498] close(19 [pid 1497] close(20 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./239/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] close(21 [pid 313] <... restart_syscall resumed>) = 0 [pid 1498] close(20 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] close(21 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1498] close(21 [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] close(22 [pid 312] newfstatat(AT_FDCWD, "./239/cgroup" [pid 1497] close(22 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1498] close(22 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./243", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] close(23 [pid 1496] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./239/cgroup" [pid 1498] close(23 [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] close(24 [pid 1496] close(24 [pid 312] <... unlink resumed>) = 0 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1498] close(24 [pid 1497] close(25 [pid 1496] close(25 [pid 313] fstat(3 [pid 312] getdents64(3 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1498] close(25 [pid 1497] close(26 [pid 1496] close(26 [pid 313] getdents64(3 [pid 312] close(3 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1498] close(26 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] close(27 [pid 1496] close(27 [pid 313] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 1498] close(27 [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./239" [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1497] close(28 [pid 1498] close(28 [pid 1496] close(28 [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1497] close(29 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] mkdir("./240", 0777 [pid 1498] close(29 [pid 1497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1496] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 1497] exit_group(0 [pid 1496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./243/config" [pid 1498] exit_group(0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1496] exit_group(0 [pid 1497] <... exit_group resumed>) = ? [pid 313] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1498] <... exit_group resumed>) = ? [pid 1496] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1497] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1498] +++ exited with 0 +++ [pid 313] openat(AT_FDCWD, "./243/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1496] +++ exited with 0 +++ [pid 313] <... openat resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] fstat(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 1499 attached [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1499] set_robust_list(0x55555bb49760, 24 [pid 313] getdents64(4 [pid 1499] <... set_robust_list resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 242 [pid 1499] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1499] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1499] chdir("./240" [pid 313] getdents64(4 [pid 1499] <... chdir resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 313] close(4 [pid 1499] setpgid(0, 0) = 0 [pid 1499] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... close resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1499] <... symlink resumed>) = 0 [pid 313] rmdir("./243/config" [pid 1499] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 313] <... rmdir resumed>) = 0 [pid 310] umount2("./232", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1499] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] umount2("./243/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1499] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] newfstatat(AT_FDCWD, "./243/binderfs" [pid 310] <... openat resumed>) = 3 [pid 1499] <... openat resumed>) = 3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 1499] write(3, "1000", 4 [pid 313] unlink("./243/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1499] <... write resumed>) = 4 [pid 313] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 1499] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1499] <... close resumed>) = 0 [pid 313] umount2("./243/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1499] symlink("/dev/binderfs", "./binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 1499] <... symlink resumed>) = 0 [pid 310] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1499] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1499] <... write resumed>) = 18 executing program [pid 310] newfstatat(AT_FDCWD, "./232/config" [pid 1499] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] newfstatat(AT_FDCWD, "./243/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1499] <... mkdirat resumed>) = 0 [pid 310] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1499] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1499] <... mount resumed>) = 0 [pid 313] unlink("./243/cgroup.net" [pid 311] <... restart_syscall resumed>) = 0 [pid 310] openat(AT_FDCWD, "./232/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 1499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./243/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 1499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./243/cgroup.cpu" [pid 310] getdents64(4 [pid 1499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./235", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1499] <... mkdirat resumed>) = 0 [pid 313] unlink("./243/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1499] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1499] <... symlinkat resumed>) = 0 [pid 313] umount2("./243/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 1499] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 1499] <... unlinkat resumed>) = 0 [pid 310] rmdir("./232/config" [pid 1499] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] newfstatat(AT_FDCWD, "./243/cgroup" [pid 311] fstat(3 [pid 310] <... rmdir resumed>) = 0 [pid 1499] <... unlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./232/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1499] close(3 [pid 313] unlink("./243/cgroup" [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./232/binderfs" [pid 1499] close(4 [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./232/binderfs" [pid 1499] close(5 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 311] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./232/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./230", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1499] close(6 [pid 313] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./243" [pid 311] newfstatat(AT_FDCWD, "./235/config" [pid 310] newfstatat(AT_FDCWD, "./232/cgroup.net" [pid 309] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1499] close(7 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./244", 0777 [pid 311] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./232/cgroup.net" [pid 309] fstat(3 [pid 1499] close(8 [pid 313] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] openat(AT_FDCWD, "./235/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./232/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1499] close(9 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./232/cgroup.cpu" [pid 309] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1499] close(10 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1500 attached [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] unlink("./232/cgroup.cpu" [pid 309] <... umount2 resumed>) = 0 [pid 1500] set_robust_list(0x55555bb49760, 24 [pid 1499] close(11 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 246 [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1500] <... set_robust_list resumed>) = 0 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./232/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1500] rt_sigprocmask(SIG_SETMASK, [] [pid 1499] close(12 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./230/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./232/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1500] chdir("./244" [pid 1499] close(13 [pid 311] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./230/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1500] <... chdir resumed>) = 0 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] unlink("./232/cgroup" [pid 1500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1499] close(14 [pid 311] rmdir("./235/config" [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1500] <... prctl resumed>) = 0 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] openat(AT_FDCWD, "./230/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1500] setpgid(0, 0 [pid 1499] close(15 [pid 311] umount2("./235/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1500] <... setpgid resumed>) = 0 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 309] <... openat resumed>) = 4 [pid 1500] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1499] close(16 [pid 311] newfstatat(AT_FDCWD, "./235/binderfs" [pid 310] <... close resumed>) = 0 [pid 309] fstat(4 [pid 1500] <... symlink resumed>) = 0 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./232" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1500] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1499] close(17 [pid 311] unlink("./235/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 1500] <... symlink resumed>) = 0 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] mkdir("./233", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1500] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1499] close(18 [pid 311] umount2("./235/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 1500] <... symlink resumed>) = 0 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1499] close(19 [pid 311] newfstatat(AT_FDCWD, "./235/cgroup.net" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] close(4 [pid 1500] <... openat resumed>) = 3 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1500] write(3, "1000", 4 [pid 1499] close(20 [pid 311] unlink("./235/cgroup.net" [pid 309] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1501 attached [pid 1500] <... write resumed>) = 4 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 235 [pid 309] rmdir("./230/config" [pid 1501] set_robust_list(0x55555bb49760, 24 [pid 1500] close(3 [pid 1499] close(21 [pid 311] umount2("./235/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1501] <... set_robust_list resumed>) = 0 [pid 1500] <... close resumed>) = 0 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1500] symlink("/dev/binderfs", "./binderfs" [pid 311] newfstatat(AT_FDCWD, "./235/cgroup.cpu" [pid 1501] rt_sigprocmask(SIG_SETMASK, [] [pid 1500] <... symlink resumed>) = 0 [pid 1499] close(22 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./230/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1501] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1500] write(1, "executing program\n", 18 executing program [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./235/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1501] chdir("./233" [pid 1500] <... write resumed>) = 18 [pid 1499] close(23 [pid 311] <... unlink resumed>) = 0 [pid 1501] <... chdir resumed>) = 0 [pid 1500] mkdirat(AT_FDCWD, "./config", 0777 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./235/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./230/binderfs" [pid 1501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1500] <... mkdirat resumed>) = 0 [pid 1499] close(24 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1501] <... prctl resumed>) = 0 [pid 1500] mount(NULL, "./config", "configfs", 0, NULL [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./235/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1501] setpgid(0, 0 [pid 1500] <... mount resumed>) = 0 [pid 1499] close(25 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./230/binderfs" [pid 1501] <... setpgid resumed>) = 0 [pid 1500] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./235/cgroup" [pid 1501] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1500] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1499] close(26 [pid 309] <... unlink resumed>) = 0 [pid 1501] <... symlink resumed>) = 0 [pid 1500] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1501] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1500] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1499] close(27 [pid 311] getdents64(3 [pid 309] umount2("./230/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1501] <... symlink resumed>) = 0 [pid 1500] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1501] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1500] <... mkdirat resumed>) = 0 [pid 1499] close(28 [pid 311] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1501] <... symlink resumed>) = 0 [pid 1500] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./230/cgroup.net" [pid 1501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1500] <... symlinkat resumed>) = 0 [pid 1499] close(29 [pid 311] rmdir("./235" [pid 1501] <... openat resumed>) = 3 [pid 1500] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1501] write(3, "1000", 4 [pid 1500] <... unlinkat resumed>) = 0 [pid 1499] exit_group(0 [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./230/cgroup.net" [pid 1501] <... write resumed>) = 4 [pid 1500] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1499] <... exit_group resumed>) = ? [pid 311] mkdir("./236", 0777 [pid 1501] close(3 [pid 1500] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1500] close(3) = -1 EBADF (Bad file descriptor) [pid 1500] close(4) = -1 EBADF (Bad file descriptor) [pid 1500] close(5) = -1 EBADF (Bad file descriptor) [pid 1500] close(6 [pid 1499] +++ exited with 0 +++ [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... mkdir resumed>) = 0 [pid 1501] <... close resumed>) = 0 [pid 1500] close(7 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./230/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1501] symlink("/dev/binderfs", "./binderfs" [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1501] <... symlink resumed>) = 0 executing program [pid 1500] close(8 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1501] write(1, "executing program\n", 18 [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./230/cgroup.cpu" [pid 1500] close(9) = -1 EBADF (Bad file descriptor) [pid 1500] close(10) = -1 EBADF (Bad file descriptor) [pid 1500] close(11) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1502 attached [pid 1501] <... write resumed>) = 18 [pid 1500] close(12 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1502] set_robust_list(0x55555bb49760, 24 [pid 1501] mkdirat(AT_FDCWD, "./config", 0777 [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 238 [pid 1502] <... set_robust_list resumed>) = 0 [pid 1500] close(13 [pid 1501] <... mkdirat resumed>) = 0 [pid 309] unlink("./230/cgroup.cpu" [pid 1502] rt_sigprocmask(SIG_SETMASK, [] [pid 1501] mount(NULL, "./config", "configfs", 0, NULL [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1502] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1500] close(14 [pid 309] <... unlink resumed>) = 0 [pid 1502] chdir("./236" [pid 1501] <... mount resumed>) = 0 [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./230/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1502] <... chdir resumed>) = 0 [pid 1501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1500] close(15 [pid 1502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1501] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1502] <... prctl resumed>) = 0 [pid 1501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1500] close(16 [pid 309] newfstatat(AT_FDCWD, "./230/cgroup" [pid 1502] setpgid(0, 0 [pid 1501] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1502] <... setpgid resumed>) = 0 [pid 1501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1500] close(17 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1502] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1501] <... mkdirat resumed>) = 0 [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./230/cgroup" [pid 1502] <... symlink resumed>) = 0 [pid 1501] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1500] close(18 [pid 1502] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1502] <... symlink resumed>) = 0 [pid 1501] <... symlinkat resumed>) = 0 [pid 1500] close(19 [pid 309] getdents64(3 [pid 1502] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1501] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1502] <... symlink resumed>) = 0 [pid 1501] <... unlinkat resumed>) = 0 [pid 1500] close(20 [pid 309] close(3 [pid 1502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1501] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1502] <... openat resumed>) = 3 [pid 1500] close(21 [pid 309] <... close resumed>) = 0 [pid 1502] write(3, "1000", 4 [pid 1501] <... unlinkat resumed>) = 0 [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./230" [pid 1502] <... write resumed>) = 4 [pid 1501] close(3 [pid 1500] close(22 [pid 1502] close(3 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1502] <... close resumed>) = 0 [pid 1501] close(4 [pid 1500] close(23 [pid 309] mkdir("./231", 0777 [pid 1502] symlink("/dev/binderfs", "./binderfs" [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1502] <... symlink resumed>) = 0 [pid 1501] close(5 [pid 1500] close(24 [pid 309] <... mkdir resumed>) = 0 [pid 1502] write(1, "executing program\n", 18 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1502] <... write resumed>) = 18 [pid 1501] close(6 [pid 1500] close(25 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1502] mkdirat(AT_FDCWD, "./config", 0777 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1502] <... mkdirat resumed>) = 0 [pid 1501] close(7 [pid 1500] close(26 [pid 1502] mount(NULL, "./config", "configfs", 0, NULL [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1502] <... mount resumed>) = 0 [pid 1500] close(27 [pid 1502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1503 attached [pid 1502] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1500] close(28 [pid 1503] set_robust_list(0x55555bb49760, 24 [pid 1502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1501] close(8 [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 233 [pid 1503] <... set_robust_list resumed>) = 0 [pid 1502] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1500] close(29 [pid 1503] rt_sigprocmask(SIG_SETMASK, [] [pid 1502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1501] close(9 [pid 1500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1503] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1502] <... mkdirat resumed>) = 0 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1500] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1503] chdir("./231" [pid 1502] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1501] close(10 [pid 1500] <... exit_group resumed>) = ? [pid 312] <... restart_syscall resumed>) = 0 [pid 1503] <... chdir resumed>) = 0 [pid 1502] <... symlinkat resumed>) = 0 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1500] +++ exited with 0 +++ [pid 1503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1502] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1501] close(11 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1503] <... prctl resumed>) = 0 [pid 1502] <... unlinkat resumed>) = 0 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./240", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1503] setpgid(0, 0 [pid 1502] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1501] close(12 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1503] <... setpgid resumed>) = 0 [pid 1502] <... unlinkat resumed>) = 0 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1503] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1502] close(3 [pid 1501] close(13 [pid 312] <... openat resumed>) = 3 [pid 1503] <... symlink resumed>) = 0 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1503] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1502] close(4 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1503] <... symlink resumed>) = 0 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] close(14 [pid 312] getdents64(3 [pid 1503] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1502] close(5 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1503] <... symlink resumed>) = 0 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] close(15 [pid 312] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1502] close(6 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1503] <... openat resumed>) = 3 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] close(16 [pid 312] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1503] write(3, "1000", 4 [pid 1502] close(7 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1503] <... write resumed>) = 4 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] close(17 [pid 312] newfstatat(AT_FDCWD, "./240/config" [pid 1503] close(3 [pid 1502] close(8 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1503] <... close resumed>) = 0 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] close(18 [pid 312] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1503] symlink("/dev/binderfs", "./binderfs" [pid 1502] close(9 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1503] <... symlink resumed>) = 0 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] close(19 executing program [pid 312] openat(AT_FDCWD, "./240/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1503] write(1, "executing program\n", 18 [pid 1502] close(10 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1503] <... write resumed>) = 18 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] close(20 [pid 312] fstat(4 [pid 1503] mkdirat(AT_FDCWD, "./config", 0777 [pid 1502] close(11 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1503] <... mkdirat resumed>) = 0 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] close(21 [pid 312] getdents64(4 [pid 1503] mount(NULL, "./config", "configfs", 0, NULL [pid 1502] close(12 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1503] <... mount resumed>) = 0 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] close(22 [pid 312] getdents64(4 [pid 1503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1502] close(13 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1503] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] close(23 [pid 312] close(4 [pid 1503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1502] close(14 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1503] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] close(24 [pid 312] rmdir("./240/config" [pid 1503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1502] close(15 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./240/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1502] close(16 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./240/binderfs" [pid 1503] <... mkdirat resumed>) = 0 [pid 1502] close(17 [pid 1501] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1503] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./240/binderfs" [pid 1503] <... symlinkat resumed>) = 0 [pid 1502] close(18 [pid 1501] close(26 [pid 312] <... unlink resumed>) = 0 [pid 1503] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./240/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1503] <... unlinkat resumed>) = 0 [pid 1502] close(19 [pid 1501] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1503] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./240/cgroup.net" [pid 1502] close(20 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1503] <... unlinkat resumed>) = 0 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] close(28 [pid 312] unlink("./240/cgroup.net" [pid 1503] close(3 [pid 1502] close(21 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] close(29 [pid 312] umount2("./240/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1503] close(4 [pid 1502] close(22 [pid 1501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./240/cgroup.cpu" [pid 1503] close(5 [pid 1502] close(23 [pid 1501] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./240/cgroup.cpu" [pid 1502] close(24 [pid 312] <... unlink resumed>) = 0 [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./240/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1502] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1501] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./240/cgroup" [pid 1503] close(6 [pid 1502] close(26 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./240/cgroup" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1503] close(7 [pid 1502] close(27 [pid 312] <... unlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1503] close(8 [pid 1502] close(28 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 1503] close(9 [pid 1502] close(29 [pid 312] <... close resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1502] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./244", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./240" [pid 1503] close(10 [pid 1502] exit_group(0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1502] <... exit_group resumed>) = ? [pid 313] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] mkdir("./241", 0777 [pid 1503] close(11 [pid 1502] +++ exited with 0 +++ [pid 313] <... openat resumed>) = 3 [pid 312] <... mkdir resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1503] close(12 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1503] close(13 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 ci2-android-5-15/strace-static-x86_64: Process 1504 attached [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 243 [pid 311] umount2("./236", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1504] set_robust_list(0x55555bb49760, 24 [pid 1503] close(14 [pid 313] <... umount2 resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1504] <... set_robust_list resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1504] rt_sigprocmask(SIG_SETMASK, [] [pid 1503] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1504] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./244/config" [pid 311] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1504] chdir("./241" [pid 1503] close(16 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1504] <... chdir resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 313] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1503] close(17 [pid 311] fstat(3 [pid 1504] <... prctl resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1504] setpgid(0, 0 [pid 1503] close(18 [pid 313] openat(AT_FDCWD, "./244/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1504] <... setpgid resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 313] <... openat resumed>) = 4 [pid 1504] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1503] close(19 [pid 313] fstat(4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1504] <... symlink resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1504] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1503] close(20 [pid 311] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 313] getdents64(4 [pid 1504] <... symlink resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1503] close(21 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... umount2 resumed>) = 0 [pid 1504] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1504] <... symlink resumed>) = 0 [pid 1503] close(22 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./233", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1503] close(23 [pid 313] close(4 [pid 311] newfstatat(AT_FDCWD, "./236/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1504] <... openat resumed>) = 3 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1504] write(3, "1000", 4 [pid 1503] close(24 [pid 313] rmdir("./244/config" [pid 311] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1504] <... write resumed>) = 4 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1504] close(3 [pid 1503] close(25 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 1504] <... close resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./244/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./236/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1504] symlink("/dev/binderfs", "./binderfs" [pid 1503] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1504] <... symlink resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./244/binderfs" [pid 311] fstat(4 [pid 310] getdents64(3 [pid 1504] write(1, "executing program\n", 18 [pid 1503] close(27 executing program [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1504] <... write resumed>) = 18 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./244/binderfs" [pid 311] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1504] mkdirat(AT_FDCWD, "./config", 0777 [pid 1503] close(28 [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1504] <... mkdirat resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./244/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 1504] mount(NULL, "./config", "configfs", 0, NULL [pid 1503] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1504] <... mount resumed>) = 0 [pid 1503] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./244/cgroup.net" [pid 311] close(4 [pid 1504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1503] exit_group(0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1504] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... close resumed>) = 0 [pid 1504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1503] <... exit_group resumed>) = ? [pid 313] unlink("./244/cgroup.net" [pid 311] rmdir("./236/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1504] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1503] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... unlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 313] umount2("./244/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./233/config" [pid 311] umount2("./236/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1504] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./244/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./236/binderfs" [pid 310] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1504] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 1504] <... symlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./233/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1504] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] unlink("./244/cgroup.cpu" [pid 311] unlink("./236/binderfs" [pid 1504] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 313] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 313] umount2("./244/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./236/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1504] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] umount2("./231", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1504] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./244/cgroup" [pid 311] newfstatat(AT_FDCWD, "./236/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1504] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./244/cgroup" [pid 311] unlink("./236/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1504] close(4 [pid 313] <... unlink resumed>) = 0 [pid 310] close(4 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1504] close(5 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] umount2("./236/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] fstat(3 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./233/config" [pid 1504] close(6 [pid 313] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./236/cgroup.cpu" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./244" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1504] close(7 [pid 313] <... rmdir resumed>) = 0 [pid 311] unlink("./236/cgroup.cpu" [pid 310] umount2("./233/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./245", 0777 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1504] close(8 [pid 313] <... mkdir resumed>) = 0 [pid 311] umount2("./236/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./233/binderfs" [pid 309] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1504] close(9 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./236/cgroup" [pid 310] unlink("./233/binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1505 attached [pid 1504] close(10 [pid 311] unlink("./236/cgroup" [pid 310] umount2("./233/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1505] set_robust_list(0x55555bb49760, 24 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 247 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1505] <... set_robust_list resumed>) = 0 [pid 1504] close(11 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./231/config" [pid 310] newfstatat(AT_FDCWD, "./233/cgroup.net" [pid 1505] rt_sigprocmask(SIG_SETMASK, [] [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1505] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1504] close(12 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] unlink("./233/cgroup.net" [pid 309] umount2("./231/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1505] chdir("./245" [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1505] <... chdir resumed>) = 0 [pid 1504] close(13 [pid 311] <... close resumed>) = 0 [pid 310] umount2("./233/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./231/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./236" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1505] <... prctl resumed>) = 0 [pid 1504] close(14 [pid 309] <... openat resumed>) = 4 [pid 1505] setpgid(0, 0 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./233/cgroup.cpu" [pid 309] fstat(4 [pid 1505] <... setpgid resumed>) = 0 [pid 1504] close(15 [pid 311] mkdir("./237", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1505] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 1505] <... symlink resumed>) = 0 [pid 1504] close(16 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] unlink("./233/cgroup.cpu" [pid 309] getdents64(4 [pid 1505] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1505] <... symlink resumed>) = 0 [pid 1504] close(17 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1505] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] <... symlink resumed>) = 0 [pid 1505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 1506 attached ) = 3 [pid 1504] close(18 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 239 [pid 310] umount2("./233/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1506] set_robust_list(0x55555bb49760, 24 [pid 1505] write(3, "1000", 4 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1506] <... set_robust_list resumed>) = 0 [pid 1505] <... write resumed>) = 4 [pid 1504] close(19 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./233/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1506] rt_sigprocmask(SIG_SETMASK, [] [pid 1505] close(3 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 1506] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1505] <... close resumed>) = 0 [pid 1504] close(20 [pid 310] unlink("./233/cgroup" [pid 1506] chdir("./237" [pid 1505] symlink("/dev/binderfs", "./binderfs" [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1506] <... chdir resumed>) = 0 [pid 1505] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1505] write(1, "executing program\n", 18) = 18 executing program [pid 1505] mkdirat(AT_FDCWD, "./config", 0777 [pid 1504] close(21 [pid 310] getdents64(3 [pid 309] rmdir("./231/config" [pid 1506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1505] <... mkdirat resumed>) = 0 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1506] <... prctl resumed>) = 0 [pid 1505] mount(NULL, "./config", "configfs", 0, NULL [pid 1504] close(22 [pid 310] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 1506] setpgid(0, 0 [pid 1505] <... mount resumed>) = 0 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 309] umount2("./231/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1506] <... setpgid resumed>) = 0 [pid 1505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1504] close(23 [pid 310] rmdir("./233" [pid 1506] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1505] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1506] <... symlink resumed>) = 0 [pid 1505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1504] close(24 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./231/binderfs" [pid 1506] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1505] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./234", 0777 [pid 1506] <... symlink resumed>) = 0 [pid 1505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1504] close(25 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1506] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1505] <... mkdirat resumed>) = 0 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] unlink("./231/binderfs" [pid 1506] <... symlink resumed>) = 0 [pid 1505] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1504] close(26 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1505] <... symlinkat resumed>) = 0 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1506] <... openat resumed>) = 3 [pid 1505] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1504] close(27 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./231/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1506] write(3, "1000", 4 [pid 1505] <... unlinkat resumed>) = 0 [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 ci2-android-5-15/strace-static-x86_64: Process 1507 attached [pid 1506] <... write resumed>) = 4 [pid 1505] close(3 [pid 1504] close(28 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1507] set_robust_list(0x55555bb49760, 24 [pid 1506] close(3 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 236 [pid 309] newfstatat(AT_FDCWD, "./231/cgroup.net" [pid 1507] <... set_robust_list resumed>) = 0 [pid 1506] <... close resumed>) = 0 [pid 1505] close(4 [pid 1504] close(29 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1507] rt_sigprocmask(SIG_SETMASK, [] [pid 1506] symlink("/dev/binderfs", "./binderfs" [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1506] <... symlink resumed>) = 0 [pid 1505] close(5 [pid 1507] chdir("./234" [pid 1506] write(1, "executing program\n", 18 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1504] exit_group(0 [pid 309] unlink("./231/cgroup.net" [pid 1507] <... chdir resumed>) = 0 [pid 1506] <... write resumed>) = 18 [pid 1505] close(6 [pid 1504] <... exit_group resumed>) = ? [pid 1507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1506] mkdirat(AT_FDCWD, "./config", 0777 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1507] <... prctl resumed>) = 0 [pid 1505] close(7 [pid 1507] setpgid(0, 0 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1507] <... setpgid resumed>) = 0 [pid 1505] close(8 [pid 1507] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1507] <... symlink resumed>) = 0 [pid 1506] <... mkdirat resumed>) = 0 [pid 1505] close(9 [pid 1504] +++ exited with 0 +++ [pid 309] umount2("./231/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1507] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1507] <... symlink resumed>) = 0 [pid 1506] mount(NULL, "./config", "configfs", 0, NULL [pid 1505] close(10 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1507] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1506] <... mount resumed>) = 0 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./231/cgroup.cpu" [pid 1507] <... symlink resumed>) = 0 [pid 1506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1505] close(11 [pid 1507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1507] <... openat resumed>) = 3 [pid 1506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1505] close(12 [pid 309] unlink("./231/cgroup.cpu" [pid 1507] write(3, "1000", 4 [pid 1506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1507] <... write resumed>) = 4 [pid 1506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1505] close(13 [pid 309] <... unlink resumed>) = 0 [pid 1507] close(3 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1507] <... close resumed>) = 0 [pid 1505] close(14 [pid 1507] symlink("/dev/binderfs", "./binderfs" [pid 1506] <... mkdirat resumed>) = 0 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./231/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1507] <... symlink resumed>) = 0 [pid 1506] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1505] close(15 [pid 1507] write(1, "executing program\n", 18 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1507] <... write resumed>) = 18 executing program [pid 1506] <... symlinkat resumed>) = 0 [pid 1505] close(16 [pid 1507] mkdirat(AT_FDCWD, "./config", 0777 [pid 1506] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./231/cgroup" [pid 1507] <... mkdirat resumed>) = 0 [pid 1505] close(17 [pid 1507] mount(NULL, "./config", "configfs", 0, NULL [pid 1506] <... unlinkat resumed>) = 0 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1507] <... mount resumed>) = 0 [pid 1506] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1505] close(18 [pid 309] unlink("./231/cgroup" [pid 1507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1507] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1506] <... unlinkat resumed>) = 0 [pid 1505] close(19 [pid 309] <... unlink resumed>) = 0 [pid 1507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1506] close(3 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1507] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] close(20 [pid 1507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1506] close(4 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1507] <... mkdirat resumed>) = 0 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] close(21 [pid 309] close(3 [pid 1507] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1506] close(5 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1507] <... symlinkat resumed>) = 0 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] close(22 [pid 309] <... close resumed>) = 0 [pid 1507] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1506] close(6 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./231" [pid 1507] <... unlinkat resumed>) = 0 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] close(23 [pid 1507] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1506] close(7 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1507] <... unlinkat resumed>) = 0 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] close(24 [pid 309] mkdir("./232", 0777 [pid 1507] close(3 [pid 1506] close(8 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] close(25 [pid 309] <... mkdir resumed>) = 0 [pid 1507] close(4 [pid 1506] close(9 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] close(26 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1507] close(5 [pid 1506] close(10 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] close(27 [pid 1507] close(6 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] close(28 [pid 1507] close(7 [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1508 attached [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] close(11 [pid 1505] close(29 [pid 1508] set_robust_list(0x55555bb49760, 24 [pid 1507] close(8 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 234 [pid 1508] <... set_robust_list resumed>) = 0 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] close(12 [pid 1505] exit_group(0 [pid 1508] rt_sigprocmask(SIG_SETMASK, [] [pid 1507] close(9 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1508] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] close(13 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1508] chdir("./232" [pid 1507] close(10 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1505] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 1508] <... chdir resumed>) = 0 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] close(14 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1507] close(11 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1508] <... prctl resumed>) = 0 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] close(15 [pid 1508] setpgid(0, 0 [pid 1507] close(12 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1508] <... setpgid resumed>) = 0 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] close(16 [pid 312] umount2("./241", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1508] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1507] close(13 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] close(17) = -1 EBADF (Bad file descriptor) [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1506] close(18 [pid 1508] <... symlink resumed>) = 0 [pid 1507] close(14 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1508] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] close(19) = -1 EBADF (Bad file descriptor) [pid 1508] <... symlink resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 1507] close(15 [pid 1506] close(20) = -1 EBADF (Bad file descriptor) [pid 1508] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] close(21 [pid 312] fstat(3 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1508] <... symlink resumed>) = 0 [pid 1507] close(16 [pid 1506] close(22 [pid 313] umount2("./245", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1506] close(23 [pid 312] getdents64(3 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1508] <... openat resumed>) = 3 [pid 1506] close(24 [pid 1507] close(17 [pid 1508] write(3, "1000", 4 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1508] <... write resumed>) = 4 [pid 1507] close(18 [pid 1506] close(25 [pid 313] <... openat resumed>) = 3 [pid 312] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1508] close(3 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 1506] close(26) = -1 EBADF (Bad file descriptor) [pid 1507] close(19 [pid 1506] close(27 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1508] <... close resumed>) = 0 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1508] symlink("/dev/binderfs", "./binderfs" [pid 1507] close(20 [pid 1506] close(28 [pid 313] getdents64(3 [pid 312] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1508] <... symlink resumed>) = 0 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1508] write(1, "executing program\n", 18 [pid 1506] close(29 executing program [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1508] <... write resumed>) = 18 [pid 1507] close(21 [pid 1506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./241/config" [pid 1508] mkdirat(AT_FDCWD, "./config", 0777 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1506] exit_group(0) = ? [pid 1508] <... mkdirat resumed>) = 0 [pid 1507] close(22 [pid 1506] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1508] mount(NULL, "./config", "configfs", 0, NULL [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1508] <... mount resumed>) = 0 [pid 1507] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./245/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./237", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1507] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] openat(AT_FDCWD, "./241/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1507] close(25 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... openat resumed>) = 4 [pid 311] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./245/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] fstat(4 [pid 311] <... openat resumed>) = 3 [pid 1508] <... mkdirat resumed>) = 0 [pid 1507] close(26 [pid 313] <... openat resumed>) = 4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1508] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] fstat(3 [pid 312] getdents64(4 [pid 1508] <... symlinkat resumed>) = 0 [pid 1507] close(27 [pid 1508] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1508] <... unlinkat resumed>) = 0 [pid 1507] close(28 [pid 313] getdents64(4 [pid 312] getdents64(4 [pid 1508] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1508] <... unlinkat resumed>) = 0 [pid 1507] close(29 [pid 1508] close(3 [pid 1507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] close(4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1507] exit_group(0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1508] close(4 [pid 1507] <... exit_group resumed>) = ? [pid 312] <... close resumed>) = 0 [pid 311] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1507] +++ exited with 0 +++ [pid 312] rmdir("./241/config" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... close resumed>) = 0 [pid 313] rmdir("./245/config" [pid 312] <... rmdir resumed>) = 0 [pid 1508] close(5 [pid 311] <... umount2 resumed>) = 0 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] umount2("./241/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1508] close(6 [pid 313] umount2("./245/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1508] close(7 [pid 313] newfstatat(AT_FDCWD, "./245/binderfs" [pid 312] newfstatat(AT_FDCWD, "./241/binderfs" [pid 311] newfstatat(AT_FDCWD, "./237/config" [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./241/binderfs" [pid 1508] close(8 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./245/binderfs" [pid 312] <... unlink resumed>) = 0 [pid 1508] close(9 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./241/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./245/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./237/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1508] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./245/cgroup.net" [pid 311] <... openat resumed>) = 4 [pid 312] newfstatat(AT_FDCWD, "./241/cgroup.net" [pid 1508] close(11 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(4 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./245/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1508] close(12 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./241/cgroup.net" [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./245/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 1508] close(13 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./245/cgroup.cpu" [pid 312] umount2("./241/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1508] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./245/cgroup.cpu" [pid 312] newfstatat(AT_FDCWD, "./241/cgroup.cpu" [pid 311] getdents64(4 [pid 1508] close(15 [pid 313] <... unlink resumed>) = 0 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./245/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1508] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./241/cgroup.cpu" [pid 311] close(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./245/cgroup" [pid 312] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 1508] close(17 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./241/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./237/config" [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./245/cgroup" [pid 310] umount2("./234", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1508] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./241/cgroup" [pid 313] getdents64(3 [pid 311] umount2("./237/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1508] close(19 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 312] unlink("./241/cgroup" [pid 311] newfstatat(AT_FDCWD, "./237/binderfs" [pid 310] fstat(3 [pid 1508] close(20 [pid 313] <... close resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./245" [pid 312] getdents64(3 [pid 311] unlink("./237/binderfs" [pid 310] getdents64(3 [pid 1508] close(21 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./246", 0777 [pid 312] close(3 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1508] close(22 [pid 313] <... mkdir resumed>) = 0 [pid 310] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 311] umount2("./237/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] rmdir("./241" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./234/config" [pid 1508] close(23 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./237/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] mkdir("./242", 0777 [pid 310] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1508] close(24 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./234/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1509 attached [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1509] set_robust_list(0x55555bb49760, 24 [pid 1508] close(25 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 248 [pid 312] <... mkdir resumed>) = 0 [pid 311] unlink("./237/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1509] <... set_robust_list resumed>) = 0 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] getdents64(4 [pid 1509] rt_sigprocmask(SIG_SETMASK, [] [pid 1508] close(26 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./237/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 1509] chdir("./246" [pid 1508] close(27 [pid 310] <... close resumed>) = 0 [pid 1509] <... chdir resumed>) = 0 [pid 310] rmdir("./234/config" [pid 1509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1510 attached [pid 1509] <... prctl resumed>) = 0 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./234/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1510] set_robust_list(0x55555bb49760, 24 [pid 1509] setpgid(0, 0 [pid 1508] close(28 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 244 [pid 311] newfstatat(AT_FDCWD, "./237/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1510] <... set_robust_list resumed>) = 0 [pid 1509] <... setpgid resumed>) = 0 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./234/binderfs" [pid 1510] rt_sigprocmask(SIG_SETMASK, [] [pid 1509] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1508] close(29 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1509] <... symlink resumed>) = 0 [pid 1508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./237/cgroup.cpu" [pid 310] unlink("./234/binderfs" [pid 1510] chdir("./242" [pid 1509] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 1510] <... chdir resumed>) = 0 [pid 1509] <... symlink resumed>) = 0 [pid 1508] exit_group(0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./234/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1509] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1508] <... exit_group resumed>) = ? [pid 311] umount2("./237/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1510] <... prctl resumed>) = 0 [pid 1509] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./234/cgroup.net" [pid 1510] setpgid(0, 0 [pid 1509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1510] <... setpgid resumed>) = 0 [pid 1509] <... openat resumed>) = 3 [pid 310] unlink("./234/cgroup.net" [pid 1510] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1509] write(3, "1000", 4 [pid 1508] +++ exited with 0 +++ [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1510] <... symlink resumed>) = 0 [pid 1509] <... write resumed>) = 4 [pid 310] umount2("./234/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1510] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1509] close(3 [pid 311] newfstatat(AT_FDCWD, "./237/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1510] <... symlink resumed>) = 0 [pid 1509] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./234/cgroup.cpu" [pid 1510] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1509] symlink("/dev/binderfs", "./binderfs" [pid 311] unlink("./237/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1510] <... symlink resumed>) = 0 [pid 1509] <... symlink resumed>) = 0 [pid 310] unlink("./234/cgroup.cpu" [pid 1510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1509] write(1, "executing program\n", 18 [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1510] <... openat resumed>) = 3 executing program [pid 1509] <... write resumed>) = 18 [pid 310] umount2("./234/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1510] write(3, "1000", 4 [pid 1509] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1510] <... write resumed>) = 4 [pid 1509] <... mkdirat resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./234/cgroup" [pid 1510] close(3 [pid 1509] mount(NULL, "./config", "configfs", 0, NULL [pid 311] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1510] <... close resumed>) = 0 [pid 1509] <... mount resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./234/cgroup" [pid 1510] symlink("/dev/binderfs", "./binderfs" [pid 1509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] rmdir("./237" [pid 310] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1510] <... symlink resumed>) = 0 [pid 1509] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 1510] write(1, "executing program\n", 18 [pid 1509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 executing program [pid 311] mkdir("./238", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1510] <... write resumed>) = 18 [pid 1509] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... mkdir resumed>) = 0 [pid 310] close(3 [pid 309] umount2("./232", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1510] mkdirat(AT_FDCWD, "./config", 0777 [pid 1509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1510] <... mkdirat resumed>) = 0 [pid 1509] <... mkdirat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rmdir("./234" [pid 309] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1510] mount(NULL, "./config", "configfs", 0, NULL [pid 1509] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1510] <... mount resumed>) = 0 [pid 1509] <... symlinkat resumed>) = 0 [pid 310] mkdir("./235", 0777 [pid 309] fstat(3 [pid 1510] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1509] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1511 attached [pid 1510] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1509] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 1511] set_robust_list(0x55555bb49760, 24 [pid 1510] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1509] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 240 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1511] <... set_robust_list resumed>) = 0 [pid 1510] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1509] <... unlinkat resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1511] rt_sigprocmask(SIG_SETMASK, [] [pid 1510] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1509] close(3 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1512 attached [pid 1511] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 237 [pid 309] <... umount2 resumed>) = 0 [pid 1512] set_robust_list(0x55555bb49760, 24 [pid 1511] chdir("./238" [pid 1510] <... mkdirat resumed>) = 0 [pid 1509] close(4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1512] <... set_robust_list resumed>) = 0 [pid 1511] <... chdir resumed>) = 0 [pid 1510] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1512] rt_sigprocmask(SIG_SETMASK, [] [pid 1511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1509] close(5 [pid 309] newfstatat(AT_FDCWD, "./232/config" [pid 1512] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1511] <... prctl resumed>) = 0 [pid 1510] <... symlinkat resumed>) = 0 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1512] chdir("./235" [pid 1511] setpgid(0, 0 [pid 1510] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1509] close(6 [pid 309] umount2("./232/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1512] <... chdir resumed>) = 0 [pid 1511] <... setpgid resumed>) = 0 [pid 1510] <... unlinkat resumed>) = 0 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1511] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1510] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1509] close(7 [pid 309] openat(AT_FDCWD, "./232/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1512] <... prctl resumed>) = 0 [pid 1511] <... symlink resumed>) = 0 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1512] setpgid(0, 0 [pid 1511] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1510] <... unlinkat resumed>) = 0 [pid 1509] close(8 [pid 309] fstat(4 [pid 1512] <... setpgid resumed>) = 0 [pid 1511] <... symlink resumed>) = 0 [pid 1510] close(3 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1512] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1511] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] close(9 [pid 309] getdents64(4 [pid 1512] <... symlink resumed>) = 0 [pid 1511] <... symlink resumed>) = 0 [pid 1510] close(4 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1512] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] close(10 [pid 309] getdents64(4 [pid 1512] <... symlink resumed>) = 0 [pid 1511] <... openat resumed>) = 3 [pid 1510] close(5 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1512] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1511] write(3, "1000", 4 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] close(11 [pid 309] close(4 [pid 1512] <... symlink resumed>) = 0 [pid 1511] <... write resumed>) = 4 [pid 1510] close(6 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1511] close(3 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] close(12 [pid 309] rmdir("./232/config" [pid 1512] <... openat resumed>) = 3 [pid 1511] <... close resumed>) = 0 [pid 1510] close(7 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1512] write(3, "1000", 4 [pid 1511] symlink("/dev/binderfs", "./binderfs" [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] close(13 [pid 309] umount2("./232/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1512] <... write resumed>) = 4 [pid 1511] <... symlink resumed>) = 0 [pid 1510] close(8 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1512] close(3 [pid 1511] write(1, "executing program\n", 18 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] close(14 [pid 309] newfstatat(AT_FDCWD, "./232/binderfs" [pid 1512] <... close resumed>) = 0 [pid 1511] <... write resumed>) = 18 [pid 1510] close(9 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1512] symlink("/dev/binderfs", "./binderfs" [pid 1511] mkdirat(AT_FDCWD, "./config", 0777 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] close(15 [pid 309] unlink("./232/binderfs" [pid 1512] <... symlink resumed>) = 0 [pid 1511] <... mkdirat resumed>) = 0 [pid 1510] close(10 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1512] write(1, "executing program\n", 18 executing program [pid 1511] mount(NULL, "./config", "configfs", 0, NULL [pid 1509] close(16 [pid 309] umount2("./232/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1512] <... write resumed>) = 18 [pid 1511] <... mount resumed>) = 0 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1509] close(17 [pid 309] newfstatat(AT_FDCWD, "./232/cgroup.net" [pid 1511] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1509] close(18 [pid 309] unlink("./232/cgroup.net" [pid 1512] mkdirat(AT_FDCWD, "./config", 0777 [pid 1511] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1510] close(11 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1512] <... mkdirat resumed>) = 0 [pid 1511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] close(19 [pid 309] umount2("./232/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1512] mount(NULL, "./config", "configfs", 0, NULL [pid 1511] <... mkdirat resumed>) = 0 [pid 1510] close(12 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1511] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1509] close(20 [pid 309] newfstatat(AT_FDCWD, "./232/cgroup.cpu" [pid 1512] <... mount resumed>) = 0 [pid 1511] <... symlinkat resumed>) = 0 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1511] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1510] close(13 [pid 1509] close(21 [pid 309] unlink("./232/cgroup.cpu" [pid 1512] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1511] <... unlinkat resumed>) = 0 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1511] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1509] close(22 [pid 309] umount2("./232/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1512] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1511] <... unlinkat resumed>) = 0 [pid 1510] close(14 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1511] close(3 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] close(23 [pid 309] newfstatat(AT_FDCWD, "./232/cgroup" [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1512] <... mkdirat resumed>) = 0 [pid 1511] close(4 [pid 1510] close(15 [pid 1509] close(24 [pid 309] unlink("./232/cgroup" [pid 1512] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1511] close(5 [pid 1509] close(25 [pid 309] getdents64(3 [pid 1512] <... symlinkat resumed>) = 0 [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] close(16 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1512] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1511] close(6 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] close(26 [pid 309] close(3 [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1512] <... unlinkat resumed>) = 0 [pid 1511] close(7 [pid 1510] close(17 [pid 1509] close(27 [pid 309] rmdir("./232" [pid 1512] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1511] close(8 [pid 1509] close(28 [pid 309] mkdir("./233", 0777 [pid 1512] <... unlinkat resumed>) = 0 [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] close(18 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1512] close(3 [pid 1511] close(9 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] close(29 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] close(19 [pid 1509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1512] close(4 [pid 1511] close(10 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] exit_group(0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] close(20 [pid 1509] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1513 attached [pid 1512] close(5 [pid 1511] close(11 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1509] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 235 [pid 1513] set_robust_list(0x55555bb49760, 24 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] close(21 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1513] <... set_robust_list resumed>) = 0 [pid 1512] close(6 [pid 1511] close(12 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] close(13 [pid 1513] rt_sigprocmask(SIG_SETMASK, [] [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1513] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] close(14 [pid 1510] close(22 [pid 1513] chdir("./233" [pid 1512] close(7 [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... chdir resumed>) = 0 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] close(15 [pid 1510] close(23 [pid 1513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1512] close(8 [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... prctl resumed>) = 0 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] close(16 [pid 1513] setpgid(0, 0 [pid 1512] close(9 [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] close(24 [pid 1511] close(17) = -1 EBADF (Bad file descriptor) [pid 1511] close(18) = -1 EBADF (Bad file descriptor) [pid 1513] <... setpgid resumed>) = 0 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] close(19 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1512] close(10 [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] close(25 [pid 1511] close(20) = -1 EBADF (Bad file descriptor) [pid 1513] <... symlink resumed>) = 0 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] close(21 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1512] close(11 [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] close(26 [pid 1511] close(22 [pid 1513] <... symlink resumed>) = 0 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1512] close(12 [pid 1511] close(23 [pid 1510] close(27 [pid 1513] <... symlink resumed>) = 0 [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] close(24 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... openat resumed>) = 3 [pid 1512] close(13 [pid 1511] close(25 [pid 1510] close(28 [pid 1513] write(3, "1000", 4 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... write resumed>) = 4 [pid 1512] close(14 [pid 1511] close(26 [pid 1513] close(3 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] close(29 [pid 1513] <... close resumed>) = 0 [pid 1512] close(15 [pid 1511] close(27 [pid 1510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] symlink("/dev/binderfs", "./binderfs" [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] close(28 [pid 1510] exit_group(0 [pid 1513] <... symlink resumed>) = 0 [pid 1512] close(16 [pid 1511] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1510] <... exit_group resumed>) = ? [pid 1513] write(1, "executing program\n", 18 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1511] close(29) = -1 EBADF (Bad file descriptor) [pid 1511] exit_group(0) = ? [pid 1513] <... write resumed>) = 18 [pid 1512] close(17 [pid 1511] +++ exited with 0 +++ [pid 1510] +++ exited with 0 +++ [pid 1513] mkdirat(AT_FDCWD, "./config", 0777 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1513] <... mkdirat resumed>) = 0 [pid 1512] close(18 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1513] mount(NULL, "./config", "configfs", 0, NULL [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1513] <... mount resumed>) = 0 [pid 1512] close(19 [pid 1513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1512] close(20 [pid 1513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1512] close(21 [pid 1513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... mkdirat resumed>) = 0 [pid 1512] close(22 [pid 1513] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... symlinkat resumed>) = 0 [pid 1512] close(23 [pid 1513] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... unlinkat resumed>) = 0 [pid 1512] close(24 [pid 1513] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... unlinkat resumed>) = 0 [pid 1512] close(25 [pid 1513] close(3 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1512] close(26 [pid 1513] close(4 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1512] close(27 [pid 1513] close(5 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1512] close(28 [pid 1513] close(6 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1512] close(29 [pid 1513] close(7 [pid 1512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] close(8 [pid 1512] exit_group(0 [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1512] <... exit_group resumed>) = ? [pid 1513] close(9 [pid 1512] +++ exited with 0 +++ [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1513] close(10 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] close(11) = -1 EBADF (Bad file descriptor) [pid 1513] close(12) = -1 EBADF (Bad file descriptor) [pid 1513] close(13 [pid 311] <... restart_syscall resumed>) = 0 [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1513] close(14 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] umount2("./238", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1513] close(15 [pid 311] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./246", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 3 [pid 310] umount2("./235", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1513] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1513] close(17 [pid 313] <... openat resumed>) = 3 [pid 311] getdents64(3 [pid 310] <... openat resumed>) = 3 [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] fstat(3 [pid 311] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1513] close(18 [pid 311] <... umount2 resumed>) = 0 [pid 310] getdents64(3 [pid 311] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./238/config" [pid 1513] close(19 [pid 313] fstat(3 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1513] close(20 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] openat(AT_FDCWD, "./238/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./235/config" [pid 1513] close(21 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./242", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(4 [pid 310] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1513] close(22 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 312] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] getdents64(4 [pid 310] openat(AT_FDCWD, "./235/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1513] close(23 [pid 313] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... openat resumed>) = 3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... openat resumed>) = 4 [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] fstat(3 [pid 311] getdents64(4 [pid 310] fstat(4 [pid 1513] close(24 [pid 313] newfstatat(AT_FDCWD, "./246/config" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(3 [pid 311] close(4 [pid 310] getdents64(4 [pid 1513] close(25 [pid 313] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./238/config" [pid 310] getdents64(4 [pid 1513] close(26 [pid 313] openat(AT_FDCWD, "./246/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./238/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 1513] close(27 [pid 313] fstat(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./242/config" [pid 311] newfstatat(AT_FDCWD, "./238/binderfs" [pid 310] rmdir("./235/config" [pid 1513] close(28 [pid 313] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./238/binderfs" [pid 310] umount2("./235/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1513] close(29 [pid 313] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1513] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] openat(AT_FDCWD, "./242/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./238/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./235/binderfs" [pid 1513] exit_group(0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1513] <... exit_group resumed>) = ? [pid 313] <... close resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 311] newfstatat(AT_FDCWD, "./238/cgroup.net" [pid 310] unlink("./235/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 311] unlink("./238/cgroup.net" [pid 310] umount2("./235/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1513] +++ exited with 0 +++ [pid 311] umount2("./238/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./235/cgroup.net" [pid 313] rmdir("./246/config" [pid 312] fstat(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./238/cgroup.cpu" [pid 310] unlink("./235/cgroup.net" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] umount2("./246/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./238/cgroup.cpu" [pid 310] umount2("./235/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] newfstatat(AT_FDCWD, "./246/binderfs" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./238/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./235/cgroup.cpu" [pid 313] unlink("./246/binderfs" [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./238/cgroup" [pid 310] unlink("./235/cgroup.cpu" [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 313] umount2("./246/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(4 [pid 311] unlink("./238/cgroup" [pid 310] umount2("./235/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 311] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./235/cgroup" [pid 313] newfstatat(AT_FDCWD, "./246/cgroup.net" [pid 312] rmdir("./242/config" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(3 [pid 310] unlink("./235/cgroup" [pid 313] unlink("./246/cgroup.net" [pid 312] <... rmdir resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./242/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./238" [pid 310] getdents64(3 [pid 313] umount2("./246/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./242/binderfs" [pid 311] mkdir("./239", 0777 [pid 310] close(3 [pid 313] newfstatat(AT_FDCWD, "./246/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./242/binderfs" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./235" [pid 313] unlink("./246/cgroup.cpu" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] mkdir("./236", 0777ci2-android-5-15/strace-static-x86_64: Process 1514 attached [pid 313] umount2("./246/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./242/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 1514] set_robust_list(0x55555bb49760, 24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 241 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1514] <... set_robust_list resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./246/cgroup" [pid 312] newfstatat(AT_FDCWD, "./242/cgroup.net" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1514] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1515 attached [pid 1514] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] unlink("./246/cgroup" [pid 312] unlink("./242/cgroup.net" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 238 [pid 1515] set_robust_list(0x55555bb49760, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1514] chdir("./239" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1515] <... set_robust_list resumed>) = 0 [pid 1514] <... chdir resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1515] rt_sigprocmask(SIG_SETMASK, [] [pid 312] umount2("./242/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] getdents64(3 [pid 309] umount2("./233", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1514] <... prctl resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1515] chdir("./236" [pid 313] close(3 [pid 312] newfstatat(AT_FDCWD, "./242/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1515] <... chdir resumed>) = 0 [pid 1514] setpgid(0, 0 [pid 313] <... close resumed>) = 0 [pid 1514] <... setpgid resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1514] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] rmdir("./246" [pid 312] unlink("./242/cgroup.cpu" [pid 309] <... openat resumed>) = 3 [pid 1514] <... symlink resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 313] mkdir("./247", 0777 [pid 312] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1515] <... prctl resumed>) = 0 [pid 1514] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1515] setpgid(0, 0 [pid 313] <... mkdir resumed>) = 0 [pid 312] umount2("./242/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1515] <... setpgid resumed>) = 0 [pid 1514] <... symlink resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1515] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1514] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./242/cgroup" [pid 309] getdents64(3 [pid 1515] <... symlink resumed>) = 0 [pid 1514] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1515] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1515] <... symlink resumed>) = 0 [pid 312] unlink("./242/cgroup"ci2-android-5-15/strace-static-x86_64: Process 1516 attached [pid 1516] set_robust_list(0x55555bb49760, 24 [pid 312] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1516] <... set_robust_list resumed>) = 0 [pid 1516] rt_sigprocmask(SIG_SETMASK, [] [pid 1515] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1514] <... openat resumed>) = 3 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 249 [pid 312] getdents64(3 [pid 309] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1516] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1516] chdir("./247" [pid 1515] <... symlink resumed>) = 0 [pid 1514] write(3, "1000", 4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1516] <... chdir resumed>) = 0 [pid 1515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1514] <... write resumed>) = 4 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] close(3 [pid 309] newfstatat(AT_FDCWD, "./233/config" [pid 1516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1515] <... openat resumed>) = 3 [pid 1516] setpgid(0, 0 [pid 1514] close(3 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1515] write(3, "1000", 4 [pid 1516] <... setpgid resumed>) = 0 [pid 1514] <... close resumed>) = 0 [pid 1515] <... write resumed>) = 4 [pid 312] rmdir("./242" [pid 309] umount2("./233/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1516] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1515] close(3 [pid 1514] symlink("/dev/binderfs", "./binderfs" [pid 1516] <... symlink resumed>) = 0 [pid 1515] <... close resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1516] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1515] symlink("/dev/binderfs", "./binderfs" [pid 1514] <... symlink resumed>) = 0 [pid 312] mkdir("./243", 0777 [pid 309] openat(AT_FDCWD, "./233/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1516] <... symlink resumed>) = 0 [pid 1516] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 1515] <... symlink resumed>) = 0 [pid 1514] write(1, "executing program\n", 18 [pid 312] <... mkdir resumed>) = 0 executing program [pid 1516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1515] write(1, "executing program\n", 18 [pid 1514] <... write resumed>) = 18 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... openat resumed>) = 4 [pid 1516] <... openat resumed>) = 3 [pid 1515] <... write resumed>) = 18 executing program [pid 1516] write(3, "1000", 4 [pid 1514] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(4 [pid 1516] <... write resumed>) = 4 [pid 1515] mkdirat(AT_FDCWD, "./config", 0777 [pid 1516] close(3 [pid 1514] <... mkdirat resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1516] <... close resumed>) = 0 [pid 1515] <... mkdirat resumed>) = 0 [pid 1516] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1516] write(1, "executing program\n", 18) = 18 [pid 1516] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 1517 attached executing program ) = 0 [pid 1515] mount(NULL, "./config", "configfs", 0, NULL [pid 1514] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(4 [pid 1517] set_robust_list(0x55555bb49760, 24 [pid 1516] mount(NULL, "./config", "configfs", 0, NULL [pid 1517] <... set_robust_list resumed>) = 0 [pid 1516] <... mount resumed>) = 0 [pid 1515] <... mount resumed>) = 0 [pid 1517] rt_sigprocmask(SIG_SETMASK, [] [pid 1516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1515] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1514] <... mount resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 245 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1517] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1516] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1515] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1517] chdir("./243" [pid 1516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1515] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 1517] <... chdir resumed>) = 0 [pid 1516] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1515] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1514] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1515] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1517] <... prctl resumed>) = 0 [pid 1516] <... mkdirat resumed>) = 0 [pid 1515] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(4 [pid 1517] setpgid(0, 0 [pid 1516] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1515] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1514] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1517] <... setpgid resumed>) = 0 [pid 1516] <... symlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1517] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1516] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1515] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rmdir("./233/config" [pid 1517] <... symlink resumed>) = 0 [pid 1516] <... unlinkat resumed>) = 0 [pid 1515] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1517] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1516] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1514] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 1517] <... symlink resumed>) = 0 [pid 1516] <... unlinkat resumed>) = 0 [pid 1515] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1514] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./233/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1517] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1516] close(3 [pid 1515] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1517] <... symlink resumed>) = 0 [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1514] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1516] close(4 [pid 1515] close(3 [pid 1514] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] newfstatat(AT_FDCWD, "./233/binderfs" [pid 1517] <... openat resumed>) = 3 [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1517] write(3, "1000", 4 [pid 1516] close(5 [pid 1515] close(4 [pid 1514] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1517] <... write resumed>) = 4 [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1517] close(3 [pid 1516] close(6 [pid 1515] close(5 [pid 1514] close(3 [pid 309] unlink("./233/binderfs" [pid 1517] <... close resumed>) = 0 [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1517] symlink("/dev/binderfs", "./binderfs" [pid 1516] close(7 [pid 1517] <... symlink resumed>) = 0 executing program [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] close(6 [pid 1514] close(4 [pid 309] <... unlink resumed>) = 0 [pid 1517] write(1, "executing program\n", 18 [pid 1516] close(8 [pid 1517] <... write resumed>) = 18 [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./233/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1517] mkdirat(AT_FDCWD, "./config", 0777 [pid 1516] close(9 [pid 1515] close(7 [pid 1514] close(5 [pid 1517] <... mkdirat resumed>) = 0 [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1517] mount(NULL, "./config", "configfs", 0, NULL [pid 1516] close(10 [pid 1515] close(8 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./233/cgroup.net" [pid 1517] <... mount resumed>) = 0 [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(6 [pid 1517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1516] close(11 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1517] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] close(9 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./233/cgroup.net" [pid 1517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1516] close(12 [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(7 [pid 1517] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] close(10 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1516] close(13 [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(8 [pid 309] umount2("./233/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1517] <... mkdirat resumed>) = 0 [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] close(11 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1517] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1516] close(14 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1517] <... symlinkat resumed>) = 0 [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(9 [pid 309] newfstatat(AT_FDCWD, "./233/cgroup.cpu" [pid 1517] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1516] close(15 [pid 1515] close(12 [pid 1517] <... unlinkat resumed>) = 0 [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1517] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1516] close(16 [pid 1515] close(13 [pid 1514] close(10 [pid 1517] <... unlinkat resumed>) = 0 [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./233/cgroup.cpu" [pid 1517] close(3 [pid 1516] close(17 [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] close(14 [pid 309] <... unlink resumed>) = 0 [pid 1517] close(4 [pid 1516] close(18 [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(11 [pid 309] umount2("./233/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] close(15 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1517] close(5 [pid 1516] close(19 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(12 [pid 309] newfstatat(AT_FDCWD, "./233/cgroup" [pid 1517] close(6 [pid 1516] close(20 [pid 1515] close(16 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(13 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1517] close(7 [pid 1516] close(21 [pid 1515] close(17 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./233/cgroup" [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(14 [pid 1517] close(8 [pid 1516] close(22 [pid 1515] close(18 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(15 [pid 309] getdents64(3 [pid 1517] close(9 [pid 1516] close(23 [pid 1515] close(19 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(16 [pid 309] close(3 [pid 1517] close(10 [pid 1516] close(24 [pid 1515] close(20 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1517] close(11 [pid 1516] close(25 [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(17 [pid 309] rmdir("./233" [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] close(21 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1517] close(12 [pid 1516] close(26 [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(18 [pid 309] <... rmdir resumed>) = 0 [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] close(22 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./234", 0777 [pid 1517] close(13 [pid 1516] close(27 [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(19 [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] close(23 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1517] close(14 [pid 1516] close(28 [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(20 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1517] close(15 [pid 1516] close(29 [pid 1515] close(24 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(21 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1517] close(16 [pid 1516] exit_group(0 [pid 1515] close(25 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1516] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1518 attached [pid 1517] close(17 [pid 1516] +++ exited with 0 +++ [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(22 [pid 1518] set_robust_list(0x55555bb49760, 24 [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1518] <... set_robust_list resumed>) = 0 [pid 1517] close(18 [pid 1518] rt_sigprocmask(SIG_SETMASK, [] [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] close(26 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 236 [pid 1518] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1517] close(19 [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(23 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1518] chdir("./234" [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] close(27 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1518] <... chdir resumed>) = 0 [pid 1517] close(20 [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(24 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1518] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] close(28 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1518] <... prctl resumed>) = 0 [pid 1517] close(21 [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(25 [pid 1518] setpgid(0, 0 [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] close(29 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1518] <... setpgid resumed>) = 0 [pid 1517] close(22 [pid 1515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] close(26 [pid 1518] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1518] <... symlink resumed>) = 0 [pid 1517] close(23 [pid 1515] exit_group(0 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1518] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] <... exit_group resumed>) = ? [pid 1518] <... symlink resumed>) = 0 [pid 1517] close(24 [pid 1514] close(27 [pid 1518] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1515] +++ exited with 0 +++ [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1518] <... symlink resumed>) = 0 [pid 1517] close(25 [pid 1514] close(28 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1518] <... openat resumed>) = 3 [pid 1517] close(26 [pid 1514] close(29 [pid 1518] write(3, "1000", 4 [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1518] <... write resumed>) = 4 [pid 1517] close(27 [pid 1514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1518] close(3 [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1518] <... close resumed>) = 0 [pid 1517] close(28 [pid 1514] exit_group(0 [pid 1518] symlink("/dev/binderfs", "./binderfs" [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1518] <... symlink resumed>) = 0 [pid 1517] close(29 [pid 1514] <... exit_group resumed>) = ? [pid 1518] write(1, "executing program\n", 18 [pid 1517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1518] <... write resumed>) = 18 [pid 1517] exit_group(0 [pid 1518] mkdirat(AT_FDCWD, "./config", 0777 [pid 1517] <... exit_group resumed>) = ? executing program [pid 1518] <... mkdirat resumed>) = 0 [pid 1517] +++ exited with 0 +++ [pid 1514] +++ exited with 0 +++ [pid 313] <... restart_syscall resumed>) = 0 [pid 1518] mount(NULL, "./config", "configfs", 0, NULL [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1518] <... mount resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./247", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 313] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1518] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... openat resumed>) = 3 [pid 1518] <... symlinkat resumed>) = 0 [pid 313] fstat(3 [pid 1518] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1518] <... unlinkat resumed>) = 0 [pid 313] getdents64(3 [pid 1518] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1518] <... unlinkat resumed>) = 0 [pid 313] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] close(3) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1518] close(4 [pid 313] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1518] close(5 [pid 313] newfstatat(AT_FDCWD, "./247/config" [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1518] close(6) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./247/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... restart_syscall resumed>) = 0 [pid 1518] close(8 [pid 313] <... openat resumed>) = 4 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 1518] close(9 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] umount2("./243", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] close(10 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(4 [pid 1518] close(11 [pid 312] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1518] close(12 [pid 313] close(4 [pid 312] fstat(3 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1518] close(13 [pid 313] rmdir("./247/config" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1518] close(14 [pid 312] getdents64(3 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./247/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] close(15 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1518] close(16 [pid 312] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] newfstatat(AT_FDCWD, "./247/binderfs" [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1518] close(17 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1518] close(18 [pid 313] unlink("./247/binderfs" [pid 312] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1518] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./247/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./243/config" [pid 1518] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./247/cgroup.net" [pid 312] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] close(21 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1518] close(22 [pid 313] unlink("./247/cgroup.net" [pid 312] openat(AT_FDCWD, "./243/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1518] close(23 [pid 312] <... openat resumed>) = 4 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./247/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(4 [pid 1518] close(24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./247/cgroup.cpu" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1518] close(25 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1518] close(26 [pid 313] unlink("./247/cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(4 [pid 1518] close(27 [pid 313] umount2("./247/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] umount2("./239", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./236", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] close(28 [pid 313] newfstatat(AT_FDCWD, "./247/cgroup" [pid 312] <... close resumed>) = 0 [pid 311] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rmdir("./243/config" [pid 311] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1518] close(29 [pid 313] unlink("./247/cgroup" [pid 312] <... rmdir resumed>) = 0 [pid 311] fstat(3 [pid 1518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./243/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... openat resumed>) = 3 [pid 1518] exit_group(0 [pid 313] getdents64(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 310] fstat(3 [pid 1518] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] newfstatat(AT_FDCWD, "./243/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] close(3 [pid 311] <... umount2 resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./239/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] +++ exited with 0 +++ [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... close resumed>) = 0 [pid 311] openat(AT_FDCWD, "./239/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] rmdir("./247" [pid 312] unlink("./243/binderfs" [pid 311] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] fstat(4 [pid 310] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] mkdir("./248", 0777 [pid 312] umount2("./243/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... mkdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] newfstatat(AT_FDCWD, "./243/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] unlink("./243/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./236/config" [pid 311] close(4) = 0 [pid 311] rmdir("./239/config") = 0 [pid 311] umount2("./239/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1519 attached [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1519] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 250 [pid 312] umount2("./243/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./239/binderfs" [pid 310] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1519] <... set_robust_list resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1519] rt_sigprocmask(SIG_SETMASK, [] [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./239/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1519] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./243/cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 1519] chdir("./248" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./239/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./236/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1519] <... chdir resumed>) = 0 [pid 312] unlink("./243/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] newfstatat(AT_FDCWD, "./239/cgroup.net" [pid 310] <... openat resumed>) = 4 [pid 1519] <... prctl resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 1519] setpgid(0, 0 [pid 312] umount2("./243/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./239/cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1519] <... setpgid resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 1519] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] newfstatat(AT_FDCWD, "./243/cgroup" [pid 311] umount2("./239/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1519] <... symlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1519] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] unlink("./243/cgroup" [pid 311] newfstatat(AT_FDCWD, "./239/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1519] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 1519] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] getdents64(3 [pid 311] unlink("./239/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1519] <... symlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] close(4 [pid 1519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] close(3 [pid 311] umount2("./239/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1519] <... openat resumed>) = 3 [pid 312] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1519] write(3, "1000", 4 [pid 312] rmdir("./243" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./236/config" [pid 1519] <... write resumed>) = 4 [pid 312] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./239/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 1519] close(3 [pid 312] mkdir("./244", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./236/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1519] <... close resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] unlink("./239/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1519] symlink("/dev/binderfs", "./binderfs" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./236/binderfs" [pid 1519] <... symlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1519] write(1, "executing program\n", 18 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 311] getdents64(3 [pid 310] unlink("./236/binderfs" [pid 1519] <... write resumed>) = 18 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1520 attached [pid 1519] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] close(3 [pid 310] <... unlink resumed>) = 0 [pid 1520] set_robust_list(0x55555bb49760, 24 [pid 1519] <... mkdirat resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 246 [pid 310] umount2("./236/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1520] <... set_robust_list resumed>) = 0 [pid 1519] mount(NULL, "./config", "configfs", 0, NULL [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1520] rt_sigprocmask(SIG_SETMASK, [] [pid 1519] <... mount resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rmdir("./239" [pid 310] newfstatat(AT_FDCWD, "./236/cgroup.net" [pid 309] <... restart_syscall resumed>) = 0 [pid 1520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... rmdir resumed>) = 0 [pid 1520] chdir("./244" [pid 1519] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] mkdir("./240", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1520] <... chdir resumed>) = 0 [pid 1519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... mkdir resumed>) = 0 [pid 1519] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] unlink("./236/cgroup.net" [pid 1520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1520] <... prctl resumed>) = 0 [pid 1519] <... mkdirat resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 [pid 1520] setpgid(0, 0 [pid 1519] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./236/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./234", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1521 attached [pid 1520] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1521] set_robust_list(0x55555bb49760, 24 [pid 1520] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1519] <... symlinkat resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 242 [pid 310] newfstatat(AT_FDCWD, "./236/cgroup.cpu" [pid 309] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1521] <... set_robust_list resumed>) = 0 [pid 1520] <... symlink resumed>) = 0 [pid 1519] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1521] rt_sigprocmask(SIG_SETMASK, [] [pid 1520] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1519] <... unlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./236/cgroup.cpu" [pid 309] <... openat resumed>) = 3 [pid 1521] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1520] <... symlink resumed>) = 0 [pid 1519] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1521] chdir("./240" [pid 1520] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 310] umount2("./236/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1521] <... chdir resumed>) = 0 [pid 1520] <... symlink resumed>) = 0 [pid 1519] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1519] close(3 [pid 310] newfstatat(AT_FDCWD, "./236/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1521] <... prctl resumed>) = 0 [pid 1520] <... openat resumed>) = 3 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1521] setpgid(0, 0 [pid 1520] write(3, "1000", 4 [pid 1519] close(4 [pid 310] unlink("./236/cgroup" [pid 309] <... umount2 resumed>) = 0 [pid 1521] <... setpgid resumed>) = 0 [pid 1520] <... write resumed>) = 4 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1521] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1520] close(3 [pid 1519] close(5 [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1521] <... symlink resumed>) = 0 [pid 1520] <... close resumed>) = 0 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./234/config" [pid 1521] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1520] symlink("/dev/binderfs", "./binderfs" [pid 1519] close(6 [pid 310] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1521] <... symlink resumed>) = 0 [pid 1520] <... symlink resumed>) = 0 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 309] umount2("./234/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1521] symlink("/syzcgroup/net/syz2", "./cgroup.net" executing program [pid 1520] write(1, "executing program\n", 18 [pid 1519] close(7 [pid 310] rmdir("./236" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1521] <... symlink resumed>) = 0 [pid 1520] <... write resumed>) = 18 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./234/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1520] mkdirat(AT_FDCWD, "./config", 0777 [pid 1519] close(8 [pid 310] mkdir("./237", 0777 [pid 309] <... openat resumed>) = 4 [pid 1521] <... openat resumed>) = 3 [pid 1520] <... mkdirat resumed>) = 0 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(4 [pid 1521] write(3, "1000", 4 [pid 1520] mount(NULL, "./config", "configfs", 0, NULL [pid 1519] close(9 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1521] <... write resumed>) = 4 [pid 1520] <... mount resumed>) = 0 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 1521] close(3 [pid 1520] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1519] close(10 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 ci2-android-5-15/strace-static-x86_64: Process 1522 attached [pid 1521] <... close resumed>) = 0 [pid 1520] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1522] set_robust_list(0x55555bb49760, 24 [pid 1521] symlink("/dev/binderfs", "./binderfs" [pid 1520] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1519] close(11 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 239 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1522] <... set_robust_list resumed>) = 0 [pid 1521] <... symlink resumed>) = 0 [pid 1520] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(4 [pid 1522] rt_sigprocmask(SIG_SETMASK, [] [pid 1521] write(1, "executing program\n", 18 executing program [pid 1520] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1519] close(12 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1522] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1521] <... write resumed>) = 18 [pid 1520] <... mkdirat resumed>) = 0 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./234/config" [pid 1522] chdir("./237" [pid 1521] mkdirat(AT_FDCWD, "./config", 0777 [pid 1520] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1519] close(13 [pid 309] <... rmdir resumed>) = 0 [pid 1522] <... chdir resumed>) = 0 [pid 1521] <... mkdirat resumed>) = 0 [pid 1520] <... symlinkat resumed>) = 0 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./234/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1521] mount(NULL, "./config", "configfs", 0, NULL [pid 1520] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1519] close(14 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1522] <... prctl resumed>) = 0 [pid 1521] <... mount resumed>) = 0 [pid 1520] <... unlinkat resumed>) = 0 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./234/binderfs" [pid 1522] setpgid(0, 0 [pid 1521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1520] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1519] close(15 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1522] <... setpgid resumed>) = 0 [pid 1521] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1520] <... unlinkat resumed>) = 0 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./234/binderfs" [pid 1522] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1520] close(3 [pid 1519] close(16 [pid 309] <... unlink resumed>) = 0 [pid 1522] <... symlink resumed>) = 0 [pid 1521] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./234/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1522] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1520] close(4 [pid 1519] close(17 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1522] <... symlink resumed>) = 0 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./234/cgroup.net" [pid 1522] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1521] <... mkdirat resumed>) = 0 [pid 1520] close(5 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1522] <... symlink resumed>) = 0 [pid 1521] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1519] close(18 [pid 309] unlink("./234/cgroup.net" [pid 1522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1521] <... symlinkat resumed>) = 0 [pid 1520] close(6 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1522] <... openat resumed>) = 3 [pid 1521] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./234/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1519] close(19 [pid 1522] write(3, "1000", 4 [pid 1521] <... unlinkat resumed>) = 0 [pid 1520] close(7 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1522] <... write resumed>) = 4 [pid 1521] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1519] close(20 [pid 309] newfstatat(AT_FDCWD, "./234/cgroup.cpu" [pid 1522] close(3 [pid 1521] <... unlinkat resumed>) = 0 [pid 1520] close(8 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1522] <... close resumed>) = 0 [pid 1521] close(3 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1519] close(21 [pid 309] unlink("./234/cgroup.cpu" [pid 1522] symlink("/dev/binderfs", "./binderfs" [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] close(9 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1522] <... symlink resumed>) = 0 [pid 1521] close(4 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1519] close(22 [pid 309] umount2("./234/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1522] write(1, "executing program\n", 18 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] close(10 executing program [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1522] <... write resumed>) = 18 [pid 1521] close(5 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1519] close(23 [pid 309] newfstatat(AT_FDCWD, "./234/cgroup" [pid 1522] mkdirat(AT_FDCWD, "./config", 0777 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] close(11 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1522] <... mkdirat resumed>) = 0 [pid 1521] close(6 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1519] close(24 [pid 309] unlink("./234/cgroup" [pid 1522] mount(NULL, "./config", "configfs", 0, NULL [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] close(12 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1522] <... mount resumed>) = 0 [pid 1521] close(7 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1519] close(25 [pid 309] getdents64(3 [pid 1522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] close(13 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1522] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1521] close(8 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1519] close(26 [pid 309] close(3 [pid 1522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] close(14 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1522] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1521] close(9 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1519] close(27 [pid 309] rmdir("./234" [pid 1522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] close(15 [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./235", 0777 [pid 1522] <... mkdirat resumed>) = 0 [pid 1521] close(10 [pid 1520] close(16 [pid 1519] close(28 [pid 309] <... mkdir resumed>) = 0 [pid 1522] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1522] <... symlinkat resumed>) = 0 [pid 1521] close(11 [pid 1520] close(17 [pid 1519] close(29 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1522] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1519] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1523 attached [pid 1522] <... unlinkat resumed>) = 0 [pid 1521] close(12 [pid 1520] close(18 [pid 1519] exit_group(0 [pid 1522] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1519] <... exit_group resumed>) = ? [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 237 [pid 1523] set_robust_list(0x55555bb49760, 24 [pid 1522] <... unlinkat resumed>) = 0 [pid 1521] close(13 [pid 1520] close(19 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1520] close(20) = -1 EBADF (Bad file descriptor) [pid 1520] close(21) = -1 EBADF (Bad file descriptor) [pid 1520] close(22) = -1 EBADF (Bad file descriptor) [pid 1520] close(23) = -1 EBADF (Bad file descriptor) [pid 1519] +++ exited with 0 +++ [pid 1523] <... set_robust_list resumed>) = 0 [pid 1522] close(3 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] close(24 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1523] rt_sigprocmask(SIG_SETMASK, [] [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] close(14 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1522] close(4 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] close(25 [pid 1523] chdir("./235" [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] close(15 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1523] <... chdir resumed>) = 0 [pid 1522] close(5 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] close(26 [pid 1523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] close(16 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1523] <... prctl resumed>) = 0 [pid 1522] close(6 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] close(27 [pid 1523] setpgid(0, 0 [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] close(17 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1523] <... setpgid resumed>) = 0 [pid 1522] close(7 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] close(28 [pid 1523] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] close(18 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1523] <... symlink resumed>) = 0 [pid 1522] close(8 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] close(29 [pid 1523] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] close(19 [pid 1520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1523] <... symlink resumed>) = 0 [pid 1522] close(9 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1520] exit_group(0) = ? [pid 1523] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] close(20 [pid 1520] +++ exited with 0 +++ [pid 1523] <... symlink resumed>) = 0 [pid 1522] close(10 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] close(21 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1523] <... openat resumed>) = 3 [pid 1522] close(11 [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1523] write(3, "1000", 4 [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1523] <... write resumed>) = 4 [pid 1521] close(22 [pid 1522] close(12 [pid 313] <... restart_syscall resumed>) = 0 [pid 1523] close(3 [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1523] <... close resumed>) = 0 [pid 1522] close(13 [pid 1521] close(23 [pid 1523] symlink("/dev/binderfs", "./binderfs" [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./248", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1523] <... symlink resumed>) = 0 [pid 1522] close(14 [pid 1521] close(24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1523] write(1, "executing program\n", 18 [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1523] <... write resumed>) = 18 [pid 1522] close(15 [pid 1521] close(25 [pid 313] <... openat resumed>) = 3 [pid 1523] mkdirat(AT_FDCWD, "./config", 0777 [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 1523] <... mkdirat resumed>) = 0 [pid 1522] close(16 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1521] close(26 [pid 1523] mount(NULL, "./config", "configfs", 0, NULL [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1523] <... mount resumed>) = 0 [pid 1522] close(17 [pid 1521] close(27 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1523] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1522] close(18 [pid 1521] close(28 [pid 313] <... umount2 resumed>) = 0 [pid 1523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1523] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1522] close(19 [pid 1521] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./248/config" [pid 1523] <... mkdirat resumed>) = 0 [pid 1522] close(20 [pid 1521] exit_group(0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1523] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1521] <... exit_group resumed>) = ? [pid 313] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1523] <... symlinkat resumed>) = 0 [pid 1522] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./248/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 313] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] getdents64(4 [pid 1521] +++ exited with 0 +++ [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] getdents64(4 [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1523] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1522] close(22 [pid 313] close(4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1523] <... unlinkat resumed>) = 0 [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1523] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1522] close(23 [pid 313] rmdir("./248/config" [pid 1523] <... unlinkat resumed>) = 0 [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1523] close(3 [pid 1522] close(24 [pid 313] umount2("./248/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1523] close(4 [pid 1522] close(25 [pid 313] newfstatat(AT_FDCWD, "./248/binderfs" [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1523] close(5 [pid 1522] close(26 [pid 313] unlink("./248/binderfs" [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1523] close(6 [pid 1522] close(27 [pid 313] umount2("./248/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1523] close(7 [pid 1522] close(28 [pid 313] newfstatat(AT_FDCWD, "./248/cgroup.net" [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1523] close(8 [pid 1522] close(29 [pid 313] unlink("./248/cgroup.net" [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 313] umount2("./248/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1523] close(9 [pid 1522] exit_group(0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./244", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1522] <... exit_group resumed>) = ? [pid 313] newfstatat(AT_FDCWD, "./248/cgroup.cpu" [pid 1523] close(10 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] unlink("./248/cgroup.cpu") = 0 [pid 313] umount2("./248/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./248/cgroup" [pid 1522] +++ exited with 0 +++ [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./248/cgroup" [pid 1523] close(11 [pid 313] <... unlink resumed>) = 0 [pid 312] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1523] close(12 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... openat resumed>) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 312] fstat(3 [pid 311] <... restart_syscall resumed>) = 0 [pid 1523] close(13 [pid 313] <... close resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./248" [pid 312] getdents64(3 [pid 1523] close(14 [pid 313] <... rmdir resumed>) = 0 [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./249", 0777 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1523] close(15 [pid 313] <... mkdir resumed>) = 0 [pid 312] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./240", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1523] close(16 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1524 attached [pid 1523] close(17 [pid 311] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1524] set_robust_list(0x55555bb49760, 24 [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 251 [pid 1524] <... set_robust_list resumed>) = 0 [pid 1523] close(18 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] newfstatat(AT_FDCWD, "./244/config" [pid 311] <... openat resumed>) = 3 [pid 1524] rt_sigprocmask(SIG_SETMASK, [] [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 1524] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1523] close(19 [pid 312] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1524] chdir("./249" [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 1524] <... chdir resumed>) = 0 [pid 1523] close(20 [pid 312] openat(AT_FDCWD, "./244/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 311] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1524] <... prctl resumed>) = 0 [pid 1523] close(21 [pid 312] fstat(4 [pid 311] <... umount2 resumed>) = 0 [pid 1524] setpgid(0, 0 [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1524] <... setpgid resumed>) = 0 [pid 1523] close(22 [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1524] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] newfstatat(AT_FDCWD, "./240/config" [pid 1524] <... symlink resumed>) = 0 [pid 1523] close(23 [pid 312] getdents64(4 [pid 1524] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1524] <... symlink resumed>) = 0 [pid 1523] close(24 [pid 312] close(4 [pid 311] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1524] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1524] <... symlink resumed>) = 0 [pid 1523] close(25 [pid 312] rmdir("./244/config" [pid 311] openat(AT_FDCWD, "./240/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 1524] <... openat resumed>) = 3 [pid 1523] close(26 [pid 312] umount2("./244/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 1524] write(3, "1000", 4 [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1524] <... write resumed>) = 4 [pid 1523] close(27 [pid 312] newfstatat(AT_FDCWD, "./244/binderfs" [pid 1524] close(3 [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1524] <... close resumed>) = 0 [pid 1523] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1524] symlink("/dev/binderfs", "./binderfs" [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./244/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1524] <... symlink resumed>) = 0 [pid 1523] close(29 [pid 1524] write(1, "executing program\n", 18 [pid 1523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 1524] <... write resumed>) = 18 executing program [pid 1524] mkdirat(AT_FDCWD, "./config", 0777 [pid 1523] exit_group(0 [pid 312] umount2("./244/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1524] <... mkdirat resumed>) = 0 [pid 1523] <... exit_group resumed>) = ? [pid 1524] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 1524] <... mount resumed>) = 0 [pid 1524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1523] +++ exited with 0 +++ [pid 1524] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] newfstatat(AT_FDCWD, "./244/cgroup.net" [pid 311] <... close resumed>) = 0 [pid 1524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./240/config" [pid 1524] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] unlink("./244/cgroup.net" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1524] <... mkdirat resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./240/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1524] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] umount2("./244/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1524] <... symlinkat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1524] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./240/binderfs" [pid 1524] <... unlinkat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./244/cgroup.cpu" [pid 310] umount2("./237", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./235", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1524] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1524] <... unlinkat resumed>) = 0 [pid 312] unlink("./244/cgroup.cpu" [pid 311] unlink("./240/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1524] close(3 [pid 312] <... unlink resumed>) = 0 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1524] close(4 [pid 312] umount2("./244/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./240/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 1524] close(5 [pid 312] newfstatat(AT_FDCWD, "./244/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] fstat(3 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./240/cgroup.net" [pid 1524] close(6 [pid 312] unlink("./244/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] unlink("./240/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1524] close(7 [pid 312] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] umount2("./240/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1524] close(8 [pid 312] close(3 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1524] close(9 [pid 312] rmdir("./244" [pid 311] newfstatat(AT_FDCWD, "./240/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1524] close(10 [pid 312] mkdir("./245", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./237/config" [pid 309] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 311] unlink("./240/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1524] close(11 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./240/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./235/config" [pid 1524] close(12 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1524] close(13) = -1 EBADF (Bad file descriptor) [pid 1524] close(14) = -1 EBADF (Bad file descriptor) [pid 1524] close(15) = -1 EBADF (Bad file descriptor) [pid 1524] close(16ci2-android-5-15/strace-static-x86_64: Process 1525 attached ) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./240/cgroup" [pid 310] openat(AT_FDCWD, "./237/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./235/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1525] set_robust_list(0x55555bb49760, 24 [pid 1524] close(17 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 247 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 1525] <... set_robust_list resumed>) = 0 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] unlink("./240/cgroup" [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1525] rt_sigprocmask(SIG_SETMASK, [] [pid 1524] close(18 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1525] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] openat(AT_FDCWD, "./235/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1525] chdir("./245" [pid 1524] close(19 [pid 311] getdents64(3 [pid 310] getdents64(4 [pid 1525] <... chdir resumed>) = 0 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 4 [pid 1525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1524] close(20 [pid 311] close(3 [pid 310] getdents64(4 [pid 309] fstat(4 [pid 1525] <... prctl resumed>) = 0 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1525] setpgid(0, 0 [pid 1524] close(21 [pid 311] rmdir("./240" [pid 310] close(4 [pid 309] getdents64(4 [pid 1525] <... setpgid resumed>) = 0 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1524] close(22 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1525] <... symlink resumed>) = 0 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] mkdir("./241", 0777 [pid 310] rmdir("./237/config" [pid 309] getdents64(4 [pid 1525] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1524] close(23 [pid 1525] <... symlink resumed>) = 0 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1525] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1524] close(24 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./237/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 1525] <... symlink resumed>) = 0 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1524] close(25 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./237/binderfs" [pid 309] <... close resumed>) = 0 [pid 1525] <... openat resumed>) = 3 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] write(3, "1000", 4 [pid 1524] close(26 [pid 1525] <... write resumed>) = 4 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] close(3 [pid 1524] close(27ci2-android-5-15/strace-static-x86_64: Process 1526 attached [pid 1525] <... close resumed>) = 0 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./235/config" [pid 1526] set_robust_list(0x55555bb49760, 24 [pid 1525] symlink("/dev/binderfs", "./binderfs" [pid 1524] close(28 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 243 [pid 310] unlink("./237/binderfs" [pid 1526] <... set_robust_list resumed>) = 0 [pid 1525] <... symlink resumed>) = 0 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1526] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1525] write(1, "executing program\n", 18 [pid 1524] close(29 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./235/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1526] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1525] <... write resumed>) = 18 [pid 1524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./237/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1526] chdir("./241" [pid 1525] mkdirat(AT_FDCWD, "./config", 0777 [pid 1524] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1526] <... chdir resumed>) = 0 [pid 1525] <... mkdirat resumed>) = 0 [pid 1524] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./235/binderfs" [pid 1526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1525] mount(NULL, "./config", "configfs", 0, NULL [pid 1524] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./237/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1526] <... prctl resumed>) = 0 [pid 1525] <... mount resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./235/binderfs" [pid 1526] setpgid(0, 0 [pid 1525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] unlink("./237/cgroup.net" [pid 1526] <... setpgid resumed>) = 0 [pid 1525] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1526] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./235/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1526] <... symlink resumed>) = 0 [pid 1525] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./237/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1526] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] umount2("./249", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1526] <... symlink resumed>) = 0 [pid 1525] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./235/cgroup.net" [pid 1526] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1525] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./237/cgroup.cpu" [pid 1526] <... symlink resumed>) = 0 [pid 1525] <... symlinkat resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1525] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] fstat(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1526] <... openat resumed>) = 3 [pid 1525] <... unlinkat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] unlink("./237/cgroup.cpu" [pid 309] unlink("./235/cgroup.net" [pid 1526] write(3, "1000", 4 [pid 1525] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] getdents64(3 [pid 1526] <... write resumed>) = 4 [pid 1525] <... unlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1526] close(3 [pid 1525] close(3 [pid 313] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./237/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./235/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1526] <... close resumed>) = 0 [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1526] symlink("/dev/binderfs", "./binderfs" [pid 1525] close(4 [pid 313] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./237/cgroup" [pid 309] newfstatat(AT_FDCWD, "./235/cgroup.cpu" [pid 1526] <... symlink resumed>) = 0 [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1526] write(1, "executing program\n", 18 [pid 1525] close(5 [pid 313] newfstatat(AT_FDCWD, "./249/config" executing program [pid 310] unlink("./237/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1526] <... write resumed>) = 18 [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1526] mkdirat(AT_FDCWD, "./config", 0777 [pid 1525] close(6 [pid 313] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./235/cgroup.cpu" [pid 1526] <... mkdirat resumed>) = 0 [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1526] mount(NULL, "./config", "configfs", 0, NULL [pid 1525] close(7 [pid 313] openat(AT_FDCWD, "./249/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1526] <... mount resumed>) = 0 [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 310] close(3 [pid 309] umount2("./235/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1525] close(8 [pid 313] fstat(4 [pid 310] <... close resumed>) = 0 [pid 1526] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] rmdir("./237" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1525] close(9 [pid 313] getdents64(4 [pid 1526] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./235/cgroup" [pid 1526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1525] close(10 [pid 313] getdents64(4 [pid 310] mkdir("./238", 0777 [pid 1526] <... mkdirat resumed>) = 0 [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1526] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1525] close(11 [pid 313] close(4 [pid 310] <... mkdir resumed>) = 0 [pid 309] unlink("./235/cgroup" [pid 1526] <... symlinkat resumed>) = 0 [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1526] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1525] close(12 [pid 313] rmdir("./249/config" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1526] <... unlinkat resumed>) = 0 [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3 [pid 1526] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1525] close(13 [pid 313] umount2("./249/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1525] close(14 [pid 313] newfstatat(AT_FDCWD, "./249/binderfs" [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1527 attached [pid 1525] close(15 [pid 313] unlink("./249/binderfs" [pid 1527] set_robust_list(0x55555bb49760, 24 [pid 1526] <... unlinkat resumed>) = 0 [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 240 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1527] <... set_robust_list resumed>) = 0 [pid 1526] close(3 [pid 1525] close(16 [pid 313] umount2("./249/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(3 [pid 1527] rt_sigprocmask(SIG_SETMASK, [] [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1527] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1526] close(4 [pid 1525] close(17 [pid 313] newfstatat(AT_FDCWD, "./249/cgroup.net" [pid 309] <... close resumed>) = 0 [pid 1527] chdir("./238" [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./235" [pid 1527] <... chdir resumed>) = 0 [pid 1526] close(5 [pid 1525] close(18 [pid 313] unlink("./249/cgroup.net" [pid 1527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1527] <... prctl resumed>) = 0 [pid 1526] close(6 [pid 1525] close(19 [pid 313] umount2("./249/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./236", 0777 [pid 1527] setpgid(0, 0 [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1527] <... setpgid resumed>) = 0 [pid 1526] close(7 [pid 1525] close(20 [pid 313] newfstatat(AT_FDCWD, "./249/cgroup.cpu" [pid 309] <... mkdir resumed>) = 0 [pid 1527] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1527] <... symlink resumed>) = 0 [pid 1526] close(8 [pid 1525] close(21 [pid 313] unlink("./249/cgroup.cpu" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1527] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... symlink resumed>) = 0 [pid 1526] close(9 [pid 1525] close(22 [pid 313] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1527] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./249/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1527] <... symlink resumed>) = 0 [pid 1525] close(23 [pid 1527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1528 attached [pid 1527] <... openat resumed>) = 3 [pid 1526] close(10 [pid 1525] close(24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1528] set_robust_list(0x55555bb49760, 24 [pid 1527] write(3, "1000", 4 [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] <... set_robust_list resumed>) = 0 [pid 1527] <... write resumed>) = 4 [pid 1526] close(11 [pid 1525] close(25 [pid 313] newfstatat(AT_FDCWD, "./249/cgroup" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 238 [pid 1528] rt_sigprocmask(SIG_SETMASK, [] [pid 1527] close(3 [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1528] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1527] <... close resumed>) = 0 [pid 1526] close(12 [pid 1525] close(26 [pid 313] unlink("./249/cgroup" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1528] chdir("./236" [pid 1527] symlink("/dev/binderfs", "./binderfs" [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] <... chdir resumed>) = 0 [pid 1527] <... symlink resumed>) = 0 [pid 1526] close(13 [pid 1525] close(27 [pid 313] <... unlink resumed>) = 0 [pid 1528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1527] write(1, "executing program\n", 18 [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1528] <... prctl resumed>) = 0 [pid 1527] <... write resumed>) = 18 [pid 1526] close(14 [pid 1525] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1528] setpgid(0, 0 [pid 1527] mkdirat(AT_FDCWD, "./config", 0777 [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1528] <... setpgid resumed>) = 0 [pid 1527] <... mkdirat resumed>) = 0 [pid 1526] close(15 [pid 1525] close(29 [pid 1528] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1527] mount(NULL, "./config", "configfs", 0, NULL [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1528] <... symlink resumed>) = 0 [pid 1527] <... mount resumed>) = 0 [pid 1526] close(16 [pid 1525] exit_group(0 [pid 313] rmdir("./249" [pid 1528] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1525] <... exit_group resumed>) = ? [pid 1528] <... symlink resumed>) = 0 [pid 1527] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1526] close(17 [pid 1525] +++ exited with 0 +++ [pid 313] <... rmdir resumed>) = 0 [pid 1528] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] <... symlink resumed>) = 0 [pid 1527] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1526] close(18 [pid 313] mkdir("./250", 0777 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1528] <... openat resumed>) = 3 [pid 1527] <... mkdirat resumed>) = 0 [pid 1526] close(19 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1528] write(3, "1000", 4 [pid 1527] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1528] <... write resumed>) = 4 [pid 1527] <... symlinkat resumed>) = 0 [pid 1526] close(20 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1528] close(3 [pid 1527] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] <... close resumed>) = 0 [pid 1527] <... unlinkat resumed>) = 0 [pid 1528] symlink("/dev/binderfs", "./binderfs" [pid 1527] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-5-15/strace-static-x86_64: Process 1529 attached [pid 1528] <... symlink resumed>) = 0 [pid 1527] <... unlinkat resumed>) = 0 [pid 1526] close(21 [pid 1529] set_robust_list(0x55555bb49760, 24 executing program [pid 1528] write(1, "executing program\n", 18 [pid 1527] close(3 [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 252 [pid 1529] <... set_robust_list resumed>) = 0 [pid 1528] <... write resumed>) = 18 [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1526] close(22 [pid 1528] mkdirat(AT_FDCWD, "./config", 0777 [pid 1527] close(4 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1529] rt_sigprocmask(SIG_SETMASK, [] [pid 1528] <... mkdirat resumed>) = 0 [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1529] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1528] mount(NULL, "./config", "configfs", 0, NULL [pid 1527] close(5 [pid 1526] close(23 [pid 1529] chdir("./250" [pid 1528] <... mount resumed>) = 0 [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1527] close(6 [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1529] <... chdir resumed>) = 0 [pid 1528] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1526] close(24 [pid 1529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1527] close(7 [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1529] <... prctl resumed>) = 0 [pid 1528] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1526] close(25 [pid 1529] setpgid(0, 0 [pid 1528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1527] close(8 [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1529] <... setpgid resumed>) = 0 [pid 1528] <... mkdirat resumed>) = 0 [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1529] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1528] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1527] close(9 [pid 1526] close(26 [pid 312] <... restart_syscall resumed>) = 0 [pid 1529] <... symlink resumed>) = 0 [pid 1528] <... symlinkat resumed>) = 0 [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1529] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1528] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1527] close(10 [pid 1526] close(27 [pid 1529] <... symlink resumed>) = 0 [pid 1528] <... unlinkat resumed>) = 0 [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1529] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1528] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1527] close(11 [pid 1526] close(28 [pid 1529] <... symlink resumed>) = 0 [pid 1528] <... unlinkat resumed>) = 0 [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./245", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1528] close(3 [pid 1527] close(12 [pid 1526] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1529] <... openat resumed>) = 3 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1529] write(3, "1000", 4 [pid 1528] close(4 [pid 1527] close(13 [pid 1529] <... write resumed>) = 4 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1526] exit_group(0 [pid 312] <... openat resumed>) = 3 [pid 1529] close(3 [pid 1528] close(5 [pid 1527] close(14 [pid 1526] <... exit_group resumed>) = ? [pid 312] fstat(3 [pid 1529] <... close resumed>) = 0 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] close(6 [pid 1527] close(15 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] close(7 [pid 1527] close(16 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] close(8 [pid 1527] close(17 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1526] +++ exited with 0 +++ [pid 1529] symlink("/dev/binderfs", "./binderfs" [pid 1528] close(9 [pid 1527] close(18 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1529] <... symlink resumed>) = 0 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1529] write(1, "executing program\n", 18 [pid 1528] close(10 [pid 1527] close(19 executing program [pid 312] getdents64(3 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1529] <... write resumed>) = 18 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1529] mkdirat(AT_FDCWD, "./config", 0777 [pid 1528] close(11 [pid 1527] close(20 [pid 312] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1529] <... mkdirat resumed>) = 0 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1529] mount(NULL, "./config", "configfs", 0, NULL [pid 1528] close(12 [pid 1527] close(21 [pid 312] <... umount2 resumed>) = 0 [pid 1529] <... mount resumed>) = 0 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1528] close(13 [pid 1527] close(22 [pid 1529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1528] close(14 [pid 1527] close(23 [pid 312] newfstatat(AT_FDCWD, "./245/config" [pid 1529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1528] close(15 [pid 1527] close(24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1529] <... mkdirat resumed>) = 0 [pid 1528] close(16 [pid 1527] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1529] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./245/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... restart_syscall resumed>) = 0 [pid 1529] <... symlinkat resumed>) = 0 [pid 1528] close(17 [pid 1527] close(26 [pid 1529] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1529] <... unlinkat resumed>) = 0 [pid 1528] close(18 [pid 1527] close(27 [pid 312] fstat(4 [pid 1529] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] close(19 [pid 1527] close(28 [pid 1529] <... unlinkat resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] umount2("./241", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1529] close(3 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] close(20 [pid 1527] close(29 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1529] close(4 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] close(21 [pid 1527] exit_group(0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... openat resumed>) = 3 [pid 1529] close(5 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1527] <... exit_group resumed>) = ? [pid 312] close(4 [pid 311] fstat(3 [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] close(22 [pid 1527] +++ exited with 0 +++ [pid 1529] close(6 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] close(23 [pid 312] rmdir("./245/config" [pid 1529] close(7 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] close(24 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1529] close(8 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./245/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1529] close(9 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] close(26 [pid 312] newfstatat(AT_FDCWD, "./245/binderfs" [pid 311] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1529] close(10 [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1528] close(27 [pid 1529] close(11 [pid 312] unlink("./245/binderfs" [pid 311] newfstatat(AT_FDCWD, "./241/config" [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1529] close(12 [pid 1528] close(28 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./245/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1529] close(13 [pid 1528] close(29 [pid 311] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1529] close(14 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1528] exit_group(0 [pid 311] openat(AT_FDCWD, "./241/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1529] close(15 [pid 1528] <... exit_group resumed>) = ? [pid 312] newfstatat(AT_FDCWD, "./245/cgroup.net" [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 1529] close(16 [pid 1528] +++ exited with 0 +++ [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(4 [pid 1529] close(17 [pid 312] unlink("./245/cgroup.net" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1529] close(18 [pid 311] getdents64(4 [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./245/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1529] close(19) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 1529] close(20 [pid 312] newfstatat(AT_FDCWD, "./245/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./236", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(4 [pid 1529] close(21 [pid 312] unlink("./245/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1529] close(22 [pid 312] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rmdir("./241/config" [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./245/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 1529] close(23 [pid 311] <... rmdir resumed>) = 0 [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1529] close(24 [pid 312] newfstatat(AT_FDCWD, "./245/cgroup" [pid 311] umount2("./241/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1529] close(25 [pid 312] unlink("./245/cgroup" [pid 309] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./241/binderfs" [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1529] close(26 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] unlink("./241/binderfs" [pid 309] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1529] close(27 [pid 312] close(3 [pid 311] <... unlink resumed>) = 0 [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] umount2("./241/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 1529] close(28 [pid 312] rmdir("./245" [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1529] close(29 [pid 312] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./241/cgroup.net" [pid 1529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./246", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1529] exit_group(0) = ? [pid 312] <... mkdir resumed>) = 0 [pid 311] unlink("./241/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./236/config" [pid 1529] +++ exited with 0 +++ [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... unlink resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./241/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1530 attached [pid 311] newfstatat(AT_FDCWD, "./241/cgroup.cpu" [pid 309] umount2("./236/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1530] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 248 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1530] <... set_robust_list resumed>) = 0 [pid 1530] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] unlink("./241/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1530] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1530] chdir("./246" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] openat(AT_FDCWD, "./236/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1530] <... chdir resumed>) = 0 [pid 1530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] umount2("./241/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1530] <... prctl resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1530] setpgid(0, 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1530] <... setpgid resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./241/cgroup" [pid 309] fstat(4 [pid 1530] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./238", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1530] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] unlink("./241/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1530] <... symlink resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 1530] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1530] <... symlink resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... openat resumed>) = 3 [pid 1530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 309] getdents64(4 [pid 1530] <... openat resumed>) = 3 [pid 313] umount2("./250", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1530] write(3, "1000", 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 309] close(4 [pid 1530] <... write resumed>) = 4 [pid 313] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rmdir("./241" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1530] close(3 [pid 313] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 1530] <... close resumed>) = 0 [pid 313] fstat(3 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./236/config" [pid 1530] symlink("/dev/binderfs", "./binderfs" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] mkdir("./242", 0777 [pid 1530] <... symlink resumed>) = 0 [pid 313] getdents64(3 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1530] write(1, "executing program\n", 18 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... mkdir resumed>) = 0 executing program [pid 310] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./236/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1530] <... write resumed>) = 18 [pid 313] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1530] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./238/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1530] <... mkdirat resumed>) = 0 [pid 313] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./236/binderfs" [pid 1530] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1530] <... mount resumed>) = 0 [pid 1530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 ci2-android-5-15/strace-static-x86_64: Process 1531 attached [pid 1530] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] newfstatat(AT_FDCWD, "./250/config" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 244 [pid 310] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1531] set_robust_list(0x55555bb49760, 24 [pid 1530] <... symlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1531] <... set_robust_list resumed>) = 0 [pid 1530] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./236/binderfs" [pid 1531] rt_sigprocmask(SIG_SETMASK, [] [pid 1530] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./238/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1530] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] openat(AT_FDCWD, "./250/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1531] chdir("./242" [pid 1530] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 1531] <... chdir resumed>) = 0 [pid 1530] close(3 [pid 313] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 309] umount2("./236/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1531] <... prctl resumed>) = 0 [pid 1530] close(4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1531] setpgid(0, 0 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] getdents64(4 [pid 1531] <... setpgid resumed>) = 0 [pid 1530] close(5 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./236/cgroup.net" [pid 1531] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] getdents64(4 [pid 1531] <... symlink resumed>) = 0 [pid 1530] close(6 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1531] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] unlink("./236/cgroup.net" [pid 1531] <... symlink resumed>) = 0 [pid 1530] close(7 [pid 313] <... close resumed>) = 0 [pid 310] close(4 [pid 1531] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./250/config" [pid 309] <... unlink resumed>) = 0 [pid 1531] <... symlink resumed>) = 0 [pid 1530] close(8 [pid 310] <... close resumed>) = 0 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... rmdir resumed>) = 0 [pid 309] umount2("./236/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./238/config" [pid 1530] close(9 [pid 1531] <... openat resumed>) = 3 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1530] close(10 [pid 313] umount2("./250/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1531] write(3, "1000", 4 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1531] <... write resumed>) = 4 [pid 1530] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./238/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./236/cgroup.cpu" [pid 1531] close(3 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./250/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1531] <... close resumed>) = 0 [pid 1530] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1531] symlink("/dev/binderfs", "./binderfs" [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./250/binderfs" [pid 310] newfstatat(AT_FDCWD, "./238/binderfs" [pid 309] unlink("./236/cgroup.cpu" [pid 1531] <... symlink resumed>) = 0 [pid 1530] close(13 [pid 313] <... unlink resumed>) = 0 [pid 1531] write(1, "executing program\n", 18 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./250/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1531] <... write resumed>) = 18 [pid 1530] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./238/binderfs" [pid 309] umount2("./236/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1531] mkdirat(AT_FDCWD, "./config", 0777 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./250/cgroup.net" [pid 1531] <... mkdirat resumed>) = 0 [pid 1530] close(15 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1531] mount(NULL, "./config", "configfs", 0, NULL [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./238/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./236/cgroup" [pid 1531] <... mount resumed>) = 0 [pid 1530] close(16 [pid 313] unlink("./250/cgroup.net" [pid 1531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1531] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1530] close(17 [pid 313] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./238/cgroup.net" [pid 309] unlink("./236/cgroup" [pid 1531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./250/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1531] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1530] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./238/cgroup.net" [pid 309] <... unlink resumed>) = 0 [pid 1531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./250/cgroup.cpu" [pid 1530] close(19 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 1531] <... mkdirat resumed>) = 0 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1531] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1530] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./238/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1531] <... symlinkat resumed>) = 0 [pid 1530] close(21 [pid 313] unlink("./250/cgroup.cpu" [pid 1531] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 1531] <... unlinkat resumed>) = 0 executing program [pid 1530] close(22 [pid 313] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./238/cgroup.cpu" [pid 1531] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./250/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1530] close(23 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1531] <... unlinkat resumed>) = 0 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./238/cgroup.cpu" [pid 309] rmdir("./236" [pid 1531] close(3 [pid 1530] close(24 [pid 313] newfstatat(AT_FDCWD, "./250/cgroup" [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1531] close(4 [pid 1530] close(25 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./238/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./237", 0777 [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./250/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1531] close(5 [pid 1530] close(26 [pid 309] <... mkdir resumed>) = 0 [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./238/cgroup" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1531] close(6 [pid 1530] close(27 [pid 313] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] unlink("./238/cgroup" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1531] close(7 [pid 1530] close(28 [pid 313] close(3 [pid 1530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1530] close(29) = -1 EBADF (Bad file descriptor) [pid 1530] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1532 attached [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1530] +++ exited with 0 +++ [pid 313] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 1532] set_robust_list(0x55555bb49760, 24 [pid 1531] close(8 [pid 313] rmdir("./250" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 239 [pid 1532] <... set_robust_list resumed>) = 0 [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1531] close(9 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] close(3 [pid 313] mkdir("./251", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1532] rt_sigprocmask(SIG_SETMASK, [] [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1532] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1531] close(10 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./238" [pid 1532] chdir("./237" [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1532] <... chdir resumed>) = 0 [pid 1531] close(11 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rmdir resumed>) = 0 [pid 1532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1533 attached [pid 1532] <... prctl resumed>) = 0 [pid 1531] close(12 [pid 310] mkdir("./239", 0777 [pid 1533] set_robust_list(0x55555bb49760, 24 [pid 1532] setpgid(0, 0 [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 253 [pid 1533] <... set_robust_list resumed>) = 0 [pid 1532] <... setpgid resumed>) = 0 [pid 1531] close(13 [pid 310] <... mkdir resumed>) = 0 [pid 1533] rt_sigprocmask(SIG_SETMASK, [] [pid 1532] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1533] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1532] <... symlink resumed>) = 0 [pid 1531] close(14 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1533] chdir("./251" [pid 1532] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1533] <... chdir resumed>) = 0 [pid 1532] <... symlink resumed>) = 0 [pid 1531] close(15 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1532] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... prctl resumed>) = 0 [pid 1533] setpgid(0, 0) = 0 [pid 1533] symlink("/syzcgroup/unified/syz4", "./cgroup"ci2-android-5-15/strace-static-x86_64: Process 1534 attached ) = 0 [pid 1532] <... symlink resumed>) = 0 [pid 1531] close(16 [pid 1534] set_robust_list(0x55555bb49760, 24 [pid 1533] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1534] <... set_robust_list resumed>) = 0 [pid 1533] <... symlink resumed>) = 0 [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 241 [pid 1534] rt_sigprocmask(SIG_SETMASK, [] [pid 1533] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1532] <... openat resumed>) = 3 [pid 1531] close(17 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1534] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1533] <... symlink resumed>) = 0 [pid 1532] write(3, "1000", 4 [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] chdir("./239" [pid 1533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1532] <... write resumed>) = 4 [pid 1531] close(18 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1534] <... chdir resumed>) = 0 [pid 1533] <... openat resumed>) = 3 [pid 1534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1533] write(3, "1000", 4 [pid 1534] <... prctl resumed>) = 0 [pid 1533] <... write resumed>) = 4 [pid 1534] setpgid(0, 0 [pid 1533] close(3 [pid 1532] close(3 [pid 1534] <... setpgid resumed>) = 0 [pid 1533] <... close resumed>) = 0 [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./246", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1534] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1533] symlink("/dev/binderfs", "./binderfs" [pid 1532] <... close resumed>) = 0 [pid 1531] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1534] <... symlink resumed>) = 0 [pid 1533] <... symlink resumed>) = 0 [pid 1532] symlink("/dev/binderfs", "./binderfs" [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1533] write(1, "executing program\n", 18 [pid 312] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1534] <... symlink resumed>) = 0 executing program [pid 1533] <... write resumed>) = 18 [pid 1532] <... symlink resumed>) = 0 [pid 1531] close(20 [pid 1534] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1533] mkdirat(AT_FDCWD, "./config", 0777 [pid 1532] write(1, "executing program\n", 18 [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1534] <... symlink resumed>) = 0 [pid 1533] <... mkdirat resumed>) = 0 [pid 1532] <... write resumed>) = 18 [pid 1531] close(21 [pid 312] fstat(3 [pid 1534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1533] mount(NULL, "./config", "configfs", 0, NULL [pid 1534] <... openat resumed>) = 3 [pid 1533] <... mount resumed>) = 0 [pid 1532] mkdirat(AT_FDCWD, "./config", 0777 [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1534] write(3, "1000", 4 [pid 1533] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1532] <... mkdirat resumed>) = 0 [pid 1534] <... write resumed>) = 4 [pid 1533] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1532] mount(NULL, "./config", "configfs", 0, NULL [pid 1531] close(22 [pid 312] getdents64(3 [pid 1534] close(3 [pid 1533] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1534] <... close resumed>) = 0 [pid 1533] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1532] <... mount resumed>) = 0 [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1534] symlink("/dev/binderfs", "./binderfs" [pid 1533] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1531] close(23 [pid 312] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1534] <... symlink resumed>) = 0 [pid 1533] <... mkdirat resumed>) = 0 [pid 1532] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] write(1, "executing program\n", 18 [pid 1533] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1531] close(24 [pid 312] <... umount2 resumed>) = 0 executing program executing program [pid 1534] <... write resumed>) = 18 [pid 1533] <... symlinkat resumed>) = 0 [pid 1532] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1534] mkdirat(AT_FDCWD, "./config", 0777 [pid 1533] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1531] close(25 [pid 1534] <... mkdirat resumed>) = 0 [pid 1533] <... unlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1534] mount(NULL, "./config", "configfs", 0, NULL [pid 1533] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1532] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] <... mount resumed>) = 0 [pid 1533] <... unlinkat resumed>) = 0 [pid 1532] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1531] close(26 [pid 312] newfstatat(AT_FDCWD, "./246/config" [pid 1534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1533] close(3 [pid 1534] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1533] close(4 [pid 1532] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1531] close(27 [pid 312] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1534] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1533] close(5 [pid 1532] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1531] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1534] <... mkdirat resumed>) = 0 [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1533] close(6 [pid 1532] <... unlinkat resumed>) = 0 [pid 1534] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] close(3 [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./246/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1534] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1533] close(7 [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1531] close(29 [pid 312] <... openat resumed>) = 4 [pid 1534] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] close(4 [pid 1531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1534] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1533] close(8 [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1531] exit_group(0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1532] close(5 [pid 1534] close(3 [pid 1533] close(9 [pid 1531] <... exit_group resumed>) = ? [pid 312] getdents64(4 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] close(4 [pid 1533] close(10 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] close(5 [pid 1533] close(11 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] close(6 [pid 1533] close(12 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] close(7 [pid 1533] close(13 [pid 1531] +++ exited with 0 +++ [pid 1532] close(6 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1534] close(8 [pid 1533] close(14 [pid 1532] close(7 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1534] close(9 [pid 1533] close(15 [pid 1532] close(8 [pid 312] <... close resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./246/config" [pid 1534] close(10 [pid 1533] close(16 [pid 1532] close(9 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1534] close(11 [pid 1533] close(17 [pid 1532] close(10 [pid 312] umount2("./246/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] close(12 [pid 1533] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1532] close(11 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./246/binderfs" [pid 1534] close(13 [pid 1533] close(19 [pid 1532] close(12 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1534] close(14 [pid 1533] close(20 [pid 1532] close(13 [pid 312] unlink("./246/binderfs" [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] close(15 [pid 1533] close(21 [pid 312] <... unlink resumed>) = 0 [pid 1532] close(14 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./246/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1534] close(16 [pid 1533] close(22 [pid 1532] close(15 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./246/cgroup.net" [pid 1534] close(17 [pid 1533] close(23 [pid 1532] close(16 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1534] close(18 [pid 1533] close(24 [pid 1532] close(17 [pid 312] unlink("./246/cgroup.net" [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] close(19 [pid 1533] close(25 [pid 312] <... unlink resumed>) = 0 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] close(18 [pid 1534] close(20 [pid 1533] close(26 [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./246/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] close(19 [pid 1534] close(21 [pid 1533] close(27 [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] close(20 [pid 312] newfstatat(AT_FDCWD, "./246/cgroup.cpu" [pid 1534] close(22 [pid 1533] close(28 [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1534] close(23 [pid 1533] close(29 [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./246/cgroup.cpu" [pid 311] <... restart_syscall resumed>) = 0 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] close(22 [pid 1534] close(24 [pid 1533] exit_group(0 [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1533] <... exit_group resumed>) = ? [pid 1532] close(23 [pid 312] umount2("./246/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1534] close(25 [pid 1533] +++ exited with 0 +++ [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1534] close(26 [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] close(24 [pid 312] newfstatat(AT_FDCWD, "./246/cgroup" [pid 311] umount2("./242", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1534] close(27 [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] close(25 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] unlink("./246/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1534] close(28 [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] close(26 [pid 312] getdents64(3 [pid 1534] close(29 [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1532] close(27 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1534] exit_group(0 [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./251", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(3 [pid 311] fstat(3 [pid 1534] <... exit_group resumed>) = ? [pid 1532] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 1534] +++ exited with 0 +++ [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1532] close(29 [pid 313] <... openat resumed>) = 3 [pid 312] rmdir("./246" [pid 1532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 311] getdents64(3 [pid 312] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1532] exit_group(0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1532] <... exit_group resumed>) = ? [pid 313] getdents64(3 [pid 312] mkdir("./247", 0777 [pid 311] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1532] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... mkdir resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = 0 [pid 313] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1535 attached [pid 313] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./242/config" [pid 310] umount2("./239", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1535] set_robust_list(0x55555bb49760, 24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 249 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1535] <... set_robust_list resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./251/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1535] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1535] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1535] chdir("./247" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 1535] <... chdir resumed>) = 0 [pid 311] openat(AT_FDCWD, "./242/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] openat(AT_FDCWD, "./251/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 1535] <... prctl resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 311] <... openat resumed>) = 4 [pid 1535] setpgid(0, 0 [pid 313] fstat(4 [pid 311] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1535] <... setpgid resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] getdents64(3 [pid 1535] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] getdents64(4 [pid 311] getdents64(4 [pid 1535] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1535] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1535] <... symlink resumed>) = 0 [pid 313] getdents64(4 [pid 311] getdents64(4 [pid 1535] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1535] <... symlink resumed>) = 0 [pid 313] close(4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... close resumed>) = 0 [pid 311] close(4 [pid 1535] <... openat resumed>) = 3 [pid 313] rmdir("./251/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 1535] write(3, "1000", 4) = 4 [pid 313] <... rmdir resumed>) = 0 [pid 311] rmdir("./242/config" [pid 310] newfstatat(AT_FDCWD, "./239/config" [pid 1535] close(3 [pid 313] umount2("./251/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1535] <... close resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1535] symlink("/dev/binderfs", "./binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./242/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1535] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./251/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1535] write(1, "executing program\n", 18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./242/binderfs" [pid 310] openat(AT_FDCWD, "./239/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1535] <... write resumed>) = 18 [pid 313] unlink("./251/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1535] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./237", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 1535] <... mkdirat resumed>) = 0 [pid 311] unlink("./242/binderfs" [pid 310] fstat(4 [pid 313] umount2("./251/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1535] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1535] <... mount resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./251/cgroup.net" [pid 311] umount2("./242/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 3 [pid 1535] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] unlink("./251/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./242/cgroup.net" [pid 310] getdents64(4 [pid 309] fstat(3 [pid 1535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1535] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] umount2("./251/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1535] <... symlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./242/cgroup.net" [pid 310] close(4 [pid 309] getdents64(3 [pid 1535] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] newfstatat(AT_FDCWD, "./251/cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 1535] <... unlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./242/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1535] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] unlink("./251/cgroup.cpu" [pid 310] rmdir("./239/config" [pid 309] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1535] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1535] close(3 [pid 313] umount2("./251/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./242/cgroup.cpu" [pid 310] umount2("./239/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1535] close(4 [pid 313] newfstatat(AT_FDCWD, "./251/cgroup" [pid 311] unlink("./242/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./239/binderfs" [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1535] close(5 [pid 313] unlink("./251/cgroup" [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./242/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./239/binderfs" [pid 309] newfstatat(AT_FDCWD, "./237/config" [pid 1535] close(6 [pid 313] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./242/cgroup" [pid 310] umount2("./239/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./237/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1535] close(7 [pid 313] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] unlink("./242/cgroup" [pid 310] newfstatat(AT_FDCWD, "./239/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1535] close(8 [pid 313] rmdir("./251" [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./237/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] getdents64(3 [pid 310] unlink("./239/cgroup.net" [pid 1535] close(9 [pid 313] mkdir("./252", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 4 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1535] close(10 [pid 313] <... mkdir resumed>) = 0 [pid 311] close(3 [pid 310] umount2("./239/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1535] close(11 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rmdir("./242" [pid 310] newfstatat(AT_FDCWD, "./239/cgroup.cpu" [pid 309] getdents64(4 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rmdir resumed>) = 0 [pid 1535] close(12 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1535] close(13) = -1 EBADF (Bad file descriptor) [pid 1535] close(14) = -1 EBADF (Bad file descriptor) [pid 1535] close(15) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1536 attached [pid 1535] close(16 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 254 [pid 311] mkdir("./243", 0777 [pid 1536] set_robust_list(0x55555bb49760, 24 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./239/cgroup.cpu" [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 1536] <... set_robust_list resumed>) = 0 [pid 1535] close(17 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1536] rt_sigprocmask(SIG_SETMASK, [] [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./239/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 1536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1535] close(18 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1536] chdir("./252" [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./239/cgroup" [pid 309] rmdir("./237/config" [pid 1536] <... chdir resumed>) = 0 [pid 1535] close(19) = -1 EBADF (Bad file descriptor) [pid 1535] close(20) = -1 EBADF (Bad file descriptor) [pid 1535] close(21) = -1 EBADF (Bad file descriptor) [pid 1535] close(22) = -1 EBADF (Bad file descriptor) [pid 1535] close(23ci2-android-5-15/strace-static-x86_64: Process 1537 attached ) = -1 EBADF (Bad file descriptor) [pid 1535] close(24 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1537] set_robust_list(0x55555bb49760, 24 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 245 [pid 1536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rmdir resumed>) = 0 [pid 1537] <... set_robust_list resumed>) = 0 [pid 1535] close(25 [pid 310] unlink("./239/cgroup" [pid 1536] <... prctl resumed>) = 0 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./237/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1537] rt_sigprocmask(SIG_SETMASK, [] [pid 1536] setpgid(0, 0 [pid 1535] close(26 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1537] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1536] <... setpgid resumed>) = 0 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1537] chdir("./243" [pid 1536] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1535] close(27 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./237/binderfs" [pid 1537] <... chdir resumed>) = 0 [pid 1536] <... symlink resumed>) = 0 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1536] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1535] close(28 [pid 310] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1537] <... prctl resumed>) = 0 [pid 1536] <... symlink resumed>) = 0 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] setpgid(0, 0 [pid 1536] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1535] close(29 [pid 310] <... close resumed>) = 0 [pid 309] unlink("./237/binderfs" [pid 1537] <... setpgid resumed>) = 0 [pid 1536] <... symlink resumed>) = 0 [pid 1535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./239" [pid 1537] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1535] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 1537] <... symlink resumed>) = 0 [pid 1535] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 1537] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1536] <... openat resumed>) = 3 [pid 1535] +++ exited with 0 +++ [pid 310] mkdir("./240", 0777 [pid 309] umount2("./237/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1537] <... symlink resumed>) = 0 [pid 1536] write(3, "1000", 4 [pid 310] <... mkdir resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1537] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1536] <... write resumed>) = 4 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./237/cgroup.net" [pid 1537] <... symlink resumed>) = 0 [pid 1536] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1536] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1537] <... openat resumed>) = 3 [pid 309] unlink("./237/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1538 attached [pid 1538] set_robust_list(0x55555bb49760, 24 [pid 1537] write(3, "1000", 4 [pid 1536] symlink("/dev/binderfs", "./binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 242 [pid 309] <... unlink resumed>) = 0 [pid 1538] <... set_robust_list resumed>) = 0 [pid 1537] <... write resumed>) = 4 [pid 1538] rt_sigprocmask(SIG_SETMASK, [] [pid 1536] <... symlink resumed>) = 0 [pid 1537] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./237/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1538] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1537] <... close resumed>) = 0 [pid 1536] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1538] chdir("./240" [pid 1537] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1538] <... chdir resumed>) = 0 [pid 1538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1538] setpgid(0, 0 [pid 1536] <... write resumed>) = 18 [pid 1538] <... setpgid resumed>) = 0 [pid 1538] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1537] <... symlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./237/cgroup.cpu" [pid 1538] <... symlink resumed>) = 0 executing program [pid 1537] write(1, "executing program\n", 18 [pid 1536] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... restart_syscall resumed>) = 0 executing program [pid 1538] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1537] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1538] <... symlink resumed>) = 0 [pid 1537] mkdirat(AT_FDCWD, "./config", 0777 [pid 1536] <... mkdirat resumed>) = 0 [pid 309] unlink("./237/cgroup.cpu" [pid 1538] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1537] <... mkdirat resumed>) = 0 [pid 1538] <... symlink resumed>) = 0 [pid 1536] mount(NULL, "./config", "configfs", 0, NULL [pid 1537] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... unlink resumed>) = 0 [pid 1538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1537] <... mount resumed>) = 0 [pid 1536] <... mount resumed>) = 0 [pid 312] umount2("./247", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./237/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1538] write(3, "1000", 4 [pid 1537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1538] <... write resumed>) = 4 [pid 1537] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1536] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1538] close(3 [pid 1537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./237/cgroup" [pid 1538] <... close resumed>) = 0 [pid 1537] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1536] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... openat resumed>) = 3 [pid 1538] symlink("/dev/binderfs", "./binderfs" [pid 1537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] fstat(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1538] <... symlink resumed>) = 0 [pid 1537] <... mkdirat resumed>) = 0 [pid 1536] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] unlink("./237/cgroup" [pid 1538] write(1, "executing program\n", 18 [pid 1537] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1536] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] getdents64(3 [pid 1538] <... write resumed>) = 18 [pid 309] <... unlink resumed>) = 0 executing program [pid 1538] mkdirat(AT_FDCWD, "./config", 0777 [pid 1537] <... symlinkat resumed>) = 0 [pid 1536] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] getdents64(3 [pid 1538] <... mkdirat resumed>) = 0 [pid 1537] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1536] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1538] mount(NULL, "./config", "configfs", 0, NULL [pid 1537] <... unlinkat resumed>) = 0 [pid 1536] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1538] <... mount resumed>) = 0 [pid 1537] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1536] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... umount2 resumed>) = 0 [pid 309] close(3 [pid 1538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1537] <... unlinkat resumed>) = 0 [pid 1538] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1537] close(3 [pid 1536] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1538] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./237" [pid 1538] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1537] close(4 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./247/config" [pid 1538] <... unlinkat resumed>) = 0 [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(4 [pid 309] <... rmdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1538] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1537] close(5 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./238", 0777 [pid 1538] <... unlinkat resumed>) = 0 [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(5 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1538] close(3 [pid 1537] close(6 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./247/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... mkdir resumed>) = 0 [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(6 [pid 1538] close(4 [pid 1537] close(7 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(7 [pid 312] fstat(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1538] close(5 [pid 1537] close(8 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(8 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] getdents64(4 [pid 1538] close(6 [pid 1537] close(9 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1538] close(7) = -1 EBADF (Bad file descriptor) [pid 1538] close(8) = -1 EBADF (Bad file descriptor) [pid 1538] close(9) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1539 attached [pid 1538] close(10 [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(9 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1539] set_robust_list(0x55555bb49760, 24 [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] close(10 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 240 [pid 1538] close(11) = -1 EBADF (Bad file descriptor) [pid 1538] close(12) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(10 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1539] <... set_robust_list resumed>) = 0 [pid 1538] close(13 [pid 1537] close(11 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1539] rt_sigprocmask(SIG_SETMASK, [] [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(11 [pid 312] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1539] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1538] close(14 [pid 1537] close(12 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./247/config" [pid 1539] chdir("./238" [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(12 [pid 1539] <... chdir resumed>) = 0 [pid 1538] close(15 [pid 1537] close(13 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(13 [pid 312] umount2("./247/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1539] <... prctl resumed>) = 0 [pid 1538] close(16 [pid 1537] close(14 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1539] setpgid(0, 0 [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(14 [pid 312] newfstatat(AT_FDCWD, "./247/binderfs" [pid 1539] <... setpgid resumed>) = 0 [pid 1538] close(17 [pid 1537] close(15 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1539] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(15 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1539] <... symlink resumed>) = 0 [pid 1538] close(18 [pid 1537] close(16 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./247/binderfs" [pid 1539] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(16 [pid 1538] close(19 [pid 1539] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1539] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] close(17 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./247/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1539] <... symlink resumed>) = 0 [pid 1538] close(20 [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(17 [pid 1539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] close(18 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1538] close(21 [pid 1539] <... openat resumed>) = 3 [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(18 [pid 312] newfstatat(AT_FDCWD, "./247/cgroup.net" [pid 1539] write(3, "1000", 4 [pid 1538] close(22 [pid 1537] close(19 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1539] <... write resumed>) = 4 [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(19 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1539] close(3 [pid 1538] close(23 [pid 1537] close(20 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./247/cgroup.net" [pid 1539] <... close resumed>) = 0 [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(20 [pid 1539] symlink("/dev/binderfs", "./binderfs" [pid 1538] close(24 [pid 1537] close(21 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1539] <... symlink resumed>) = 0 [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(21 [pid 312] umount2("./247/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1539] write(1, "executing program\n", 18 executing program [pid 1538] close(25 [pid 1537] close(22 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1539] <... write resumed>) = 18 [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1539] mkdirat(AT_FDCWD, "./config", 0777 [pid 1538] close(26 [pid 1537] close(23 [pid 1536] close(22 [pid 312] newfstatat(AT_FDCWD, "./247/cgroup.cpu" [pid 1539] <... mkdirat resumed>) = 0 [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1539] mount(NULL, "./config", "configfs", 0, NULL [pid 1538] close(27 [pid 1537] close(24 [pid 1536] close(23 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1539] <... mount resumed>) = 0 [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./247/cgroup.cpu" [pid 1539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1538] close(28 [pid 1537] close(25 [pid 1536] close(24 [pid 1539] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1538] close(29 [pid 1537] close(26 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./247/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1539] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1538] exit_group(0 [pid 1537] close(27 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./247/cgroup" [pid 1538] <... exit_group resumed>) = ? [pid 1539] <... mkdirat resumed>) = 0 [pid 1538] +++ exited with 0 +++ [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(26 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1539] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1537] close(28 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./247/cgroup" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1539] <... symlinkat resumed>) = 0 [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(27 [pid 312] <... unlink resumed>) = 0 [pid 1539] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1537] close(29 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1539] <... unlinkat resumed>) = 0 [pid 1537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] close(28 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1539] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1537] exit_group(0 [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 1539] <... unlinkat resumed>) = 0 [pid 1537] <... exit_group resumed>) = ? [pid 1536] close(29 [pid 312] <... close resumed>) = 0 [pid 1539] close(3 [pid 1537] +++ exited with 0 +++ [pid 1536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./247" [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] exit_group(0 [pid 312] <... rmdir resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1539] close(4 [pid 1536] <... exit_group resumed>) = ? [pid 312] mkdir("./248", 0777 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1536] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 1539] close(5 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... mkdir resumed>) = 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./240", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1539] close(6 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1539] close(7 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(3ci2-android-5-15/strace-static-x86_64: Process 1540 attached [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1540] set_robust_list(0x55555bb49760, 24 [pid 1539] close(8 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 250 [pid 310] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1540] <... set_robust_list resumed>) = 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 1540] rt_sigprocmask(SIG_SETMASK, [] [pid 1539] close(9 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1540] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1540] chdir("./248" [pid 1539] close(10 [pid 310] newfstatat(AT_FDCWD, "./240/config" [pid 1540] <... chdir resumed>) = 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1539] close(11 [pid 310] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1540] <... prctl resumed>) = 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1540] setpgid(0, 0 [pid 1539] close(12 [pid 310] openat(AT_FDCWD, "./240/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1540] <... setpgid resumed>) = 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1540] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1539] close(13 [pid 310] fstat(4 [pid 1540] <... symlink resumed>) = 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1540] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1539] close(14 [pid 313] <... restart_syscall resumed>) = 0 [pid 310] getdents64(4 [pid 1540] <... symlink resumed>) = 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1540] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1539] close(15 [pid 310] getdents64(4 [pid 1540] <... symlink resumed>) = 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./252", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1539] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 1540] <... openat resumed>) = 3 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 1540] write(3, "1000", 4 [pid 1539] close(17 [pid 310] rmdir("./240/config" [pid 1540] <... write resumed>) = 4 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 1540] close(3 [pid 1539] close(18 [pid 313] fstat(3 [pid 310] umount2("./240/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1540] <... close resumed>) = 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1540] symlink("/dev/binderfs", "./binderfs" [pid 1539] close(19 [pid 313] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./240/binderfs" [pid 1540] <... symlink resumed>) = 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1540] write(1, "executing program\n", 18 [pid 1539] close(20 [pid 313] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... restart_syscall resumed>) = 0 executing program [pid 310] unlink("./240/binderfs" [pid 1540] <... write resumed>) = 18 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1540] mkdirat(AT_FDCWD, "./config", 0777 [pid 1539] close(21 [pid 313] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./240/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1540] <... mkdirat resumed>) = 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1540] mount(NULL, "./config", "configfs", 0, NULL [pid 1539] close(22 [pid 313] newfstatat(AT_FDCWD, "./252/config" [pid 311] umount2("./243", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./240/cgroup.net" [pid 1540] <... mount resumed>) = 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1539] close(23 [pid 313] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./240/cgroup.net" [pid 1540] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./240/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1540] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] newfstatat(AT_FDCWD, "./240/cgroup.cpu" [pid 1540] <... mkdirat resumed>) = 0 [pid 1539] close(24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1540] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./252/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] fstat(3 [pid 310] unlink("./240/cgroup.cpu" [pid 1540] <... symlinkat resumed>) = 0 [pid 1539] close(25 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 1540] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] getdents64(3 [pid 310] umount2("./240/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1540] <... unlinkat resumed>) = 0 [pid 1539] close(26 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1540] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./240/cgroup" [pid 1540] <... unlinkat resumed>) = 0 [pid 1539] close(27 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1540] close(3 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./240/cgroup" [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1539] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1540] close(4 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] newfstatat(AT_FDCWD, "./243/config" [pid 310] getdents64(3 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1539] close(29 [pid 313] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1540] close(5 [pid 1539] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./252/config" [pid 311] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1539] exit_group(0 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1540] close(6 [pid 1539] <... exit_group resumed>) = ? [pid 313] umount2("./252/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./243/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./240" [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./241", 0777) = 0 [pid 1539] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1540] close(7 [pid 313] newfstatat(AT_FDCWD, "./252/binderfs" [pid 311] <... openat resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 1541 attached [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1541] set_robust_list(0x55555bb49760, 24 [pid 1540] close(8 [pid 313] unlink("./252/binderfs" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 243 [pid 1541] <... set_robust_list resumed>) = 0 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1541] rt_sigprocmask(SIG_SETMASK, [] [pid 1540] close(9 [pid 313] umount2("./252/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1541] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 1541] chdir("./241" [pid 1540] close(10 [pid 313] newfstatat(AT_FDCWD, "./252/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1541] <... chdir resumed>) = 0 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(4 [pid 1541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1540] close(11 [pid 1541] <... prctl resumed>) = 0 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./252/cgroup.net" [pid 311] <... close resumed>) = 0 [pid 1541] setpgid(0, 0 [pid 1540] close(12 [pid 1541] <... setpgid resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] rmdir("./243/config" [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1541] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] umount2("./252/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1540] close(13 [pid 311] <... rmdir resumed>) = 0 [pid 1541] <... symlink resumed>) = 0 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./243/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1541] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1540] close(14 [pid 313] newfstatat(AT_FDCWD, "./252/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1541] <... symlink resumed>) = 0 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./243/binderfs" [pid 1541] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1540] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1541] <... symlink resumed>) = 0 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./252/cgroup.cpu" [pid 311] unlink("./243/binderfs" [pid 1541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1540] close(16 [pid 313] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1541] <... openat resumed>) = 3 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./243/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1541] write(3, "1000", 4 [pid 1540] close(17 [pid 313] umount2("./252/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1541] <... write resumed>) = 4 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1541] close(3 [pid 1540] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./243/cgroup.net" [pid 1541] <... close resumed>) = 0 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./252/cgroup" [pid 1541] symlink("/dev/binderfs", "./binderfs" [pid 1540] close(19 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1541] <... symlink resumed>) = 0 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./243/cgroup.net" [pid 1541] write(1, "executing program\n", 18 [pid 313] unlink("./252/cgroup" [pid 1540] close(20 [pid 1541] <... write resumed>) = 18 [pid 311] <... unlink resumed>) = 0 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1541] mkdirat(AT_FDCWD, "./config", 0777 [pid 1540] close(21 [pid 313] getdents64(3 [pid 311] umount2("./243/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1541] <... mkdirat resumed>) = 0 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1541] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1540] close(22 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1541] <... mount resumed>) = 0 [pid 313] close(3 [pid 1541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./243/cgroup.cpu" [pid 1541] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1540] close(23 [pid 313] <... close resumed>) = 0 [pid 1541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./252" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1541] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1540] close(24 [pid 1541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] unlink("./243/cgroup.cpu" [pid 1541] <... mkdirat resumed>) = 0 [pid 1540] close(25 [pid 313] mkdir("./253", 0777 [pid 311] <... unlink resumed>) = 0 [pid 1541] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 311] umount2("./243/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1541] <... symlinkat resumed>) = 0 [pid 1540] close(26 [pid 1541] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1541] <... unlinkat resumed>) = 0 [pid 1540] close(27 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1541] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] newfstatat(AT_FDCWD, "./243/cgroup" [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1541] <... unlinkat resumed>) = 0 [pid 1540] close(28 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 309] umount2("./238", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1542 attached [pid 1541] close(3 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./243/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1542] set_robust_list(0x55555bb49760, 24 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1540] close(29 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 255 [pid 311] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1542] <... set_robust_list resumed>) = 0 [pid 1541] close(4 [pid 1540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 1542] rt_sigprocmask(SIG_SETMASK, [] [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1540] exit_group(0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 1542] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1541] close(5 [pid 1540] <... exit_group resumed>) = ? [pid 311] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1542] chdir("./253" [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1542] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1542] <... prctl resumed>) = 0 [pid 1540] +++ exited with 0 +++ [pid 1542] setpgid(0, 0 [pid 1541] close(6 [pid 311] <... close resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = 0 [pid 1542] <... setpgid resumed>) = 0 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./243" [pid 309] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1542] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1541] close(7 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1542] <... symlink resumed>) = 0 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] mkdir("./244", 0777 [pid 309] newfstatat(AT_FDCWD, "./238/config" [pid 1542] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1541] close(8 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1542] <... symlink resumed>) = 0 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./238/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1542] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1541] close(9 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1542] <... symlink resumed>) = 0 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] openat(AT_FDCWD, "./238/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1541] close(10 [pid 309] <... openat resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 1543 attached [pid 1542] <... openat resumed>) = 3 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(4 [pid 1543] set_robust_list(0x55555bb49760, 24 [pid 1542] write(3, "1000", 4 [pid 1541] close(11 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 246 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1543] <... set_robust_list resumed>) = 0 [pid 1542] <... write resumed>) = 4 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 1543] rt_sigprocmask(SIG_SETMASK, [] [pid 1542] close(3 [pid 1541] close(12 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1543] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1542] <... close resumed>) = 0 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1543] chdir("./244" [pid 1542] symlink("/dev/binderfs", "./binderfs" [pid 1541] close(13 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1543] <... chdir resumed>) = 0 [pid 1542] <... symlink resumed>) = 0 [pid 309] close(4 [pid 1542] write(1, "executing program\n", 18 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1542] <... write resumed>) = 18 executing program [pid 1541] close(14 [pid 309] rmdir("./238/config" [pid 1543] <... prctl resumed>) = 0 [pid 1542] mkdirat(AT_FDCWD, "./config", 0777 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1543] setpgid(0, 0 [pid 1542] <... mkdirat resumed>) = 0 [pid 1541] close(15 [pid 309] umount2("./238/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1543] <... setpgid resumed>) = 0 [pid 1542] mount(NULL, "./config", "configfs", 0, NULL [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1543] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1542] <... mount resumed>) = 0 [pid 1541] close(16 [pid 309] newfstatat(AT_FDCWD, "./238/binderfs" [pid 1543] <... symlink resumed>) = 0 [pid 1542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1543] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1542] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1541] close(17 [pid 309] unlink("./238/binderfs" [pid 1543] <... symlink resumed>) = 0 [pid 1542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1543] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1542] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1541] close(18 [pid 309] umount2("./238/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1543] <... symlink resumed>) = 0 [pid 1542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1542] <... mkdirat resumed>) = 0 [pid 1541] close(19 [pid 309] newfstatat(AT_FDCWD, "./238/cgroup.net" [pid 1543] <... openat resumed>) = 3 [pid 1542] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1543] write(3, "1000", 4 [pid 1542] <... symlinkat resumed>) = 0 [pid 1541] close(20 [pid 309] unlink("./238/cgroup.net" [pid 1543] <... write resumed>) = 4 [pid 1542] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1543] close(3 [pid 1542] <... unlinkat resumed>) = 0 [pid 1541] close(21 [pid 309] umount2("./238/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1543] <... close resumed>) = 0 [pid 1542] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1543] symlink("/dev/binderfs", "./binderfs" [pid 1542] <... unlinkat resumed>) = 0 [pid 1541] close(22 [pid 309] newfstatat(AT_FDCWD, "./238/cgroup.cpu" [pid 1543] <... symlink resumed>) = 0 [pid 1542] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1543] write(1, "executing program\n", 18 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1541] close(23 [pid 309] unlink("./238/cgroup.cpu" [pid 1543] <... write resumed>) = 18 [pid 1542] close(4 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1543] mkdirat(AT_FDCWD, "./config", 0777 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1541] close(24 [pid 309] umount2("./238/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1543] <... mkdirat resumed>) = 0 [pid 1542] close(5 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1543] mount(NULL, "./config", "configfs", 0, NULL [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1541] close(25 [pid 312] umount2("./248", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./238/cgroup" [pid 1543] <... mount resumed>) = 0 [pid 1542] close(6 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1543] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1541] close(26 [pid 312] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./238/cgroup" [pid 1543] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1542] close(7 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 1543] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1541] close(27 [pid 312] fstat(3 [pid 309] getdents64(3 [pid 1543] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1542] close(8 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1543] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1541] close(28 [pid 312] getdents64(3 [pid 309] close(3 [pid 1543] <... mkdirat resumed>) = 0 [pid 1542] close(9 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... close resumed>) = 0 [pid 1543] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1541] close(29 [pid 312] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./238" [pid 1543] <... symlinkat resumed>) = 0 [pid 1542] close(10 [pid 1541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1543] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1541] exit_group(0 [pid 312] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./239", 0777 [pid 1543] <... unlinkat resumed>) = 0 [pid 1542] close(11 [pid 1541] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 1543] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1542] close(12 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1544 attached [pid 1543] <... unlinkat resumed>) = 0 [pid 1542] close(13 [pid 1541] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./248/config" [pid 1544] set_robust_list(0x55555bb49760, 24 [pid 1543] close(3 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 241 [pid 1544] <... set_robust_list resumed>) = 0 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] close(14 [pid 312] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1544] rt_sigprocmask(SIG_SETMASK, [] [pid 1543] close(4 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1544] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] close(15 [pid 312] openat(AT_FDCWD, "./248/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1544] chdir("./239" [pid 1543] close(5 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1544] <... chdir resumed>) = 0 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] close(16 [pid 312] <... openat resumed>) = 4 [pid 1544] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1543] close(6 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1544] <... prctl resumed>) = 0 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] close(17 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1544] setpgid(0, 0 [pid 1543] close(7 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1544] <... setpgid resumed>) = 0 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] close(18 [pid 312] getdents64(4 [pid 1544] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1543] close(8 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1544] <... symlink resumed>) = 0 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] close(19 [pid 312] getdents64(4 [pid 1544] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1543] close(9 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1544] <... symlink resumed>) = 0 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] close(20 [pid 312] close(4 [pid 1544] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1543] close(10 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1544] <... symlink resumed>) = 0 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] close(21 [pid 312] <... close resumed>) = 0 [pid 1544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1543] close(11 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./248/config" [pid 1544] <... openat resumed>) = 3 [pid 1542] close(22 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1544] write(3, "1000", 4 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1544] <... write resumed>) = 4 [pid 1543] close(12 [pid 1542] close(23 [pid 312] umount2("./248/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1544] close(3 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1544] <... close resumed>) = 0 [pid 1543] close(13 [pid 1542] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1544] symlink("/dev/binderfs", "./binderfs" [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./248/binderfs" [pid 1544] <... symlink resumed>) = 0 [pid 1543] close(14 [pid 1542] close(25 [pid 1544] write(1, "executing program\n", 18 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1544] <... write resumed>) = 18 [pid 1543] close(15 [pid 1542] close(26 [pid 312] unlink("./248/binderfs" [pid 1544] mkdirat(AT_FDCWD, "./config", 0777 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1542] close(27 [pid 312] <... unlink resumed>) = 0 [pid 1544] <... mkdirat resumed>) = 0 [pid 1543] close(16 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./248/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1544] mount(NULL, "./config", "configfs", 0, NULL [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] close(28 [pid 1544] <... mount resumed>) = 0 [pid 1543] close(17 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] close(29 [pid 312] newfstatat(AT_FDCWD, "./248/cgroup.net" [pid 1544] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1543] close(18 [pid 1542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] exit_group(0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1544] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1543] close(19 [pid 1542] <... exit_group resumed>) = ? [pid 312] unlink("./248/cgroup.net" [pid 1544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1542] +++ exited with 0 +++ [pid 312] <... unlink resumed>) = 0 [pid 1544] <... mkdirat resumed>) = 0 [pid 1543] close(20 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./248/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1544] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1544] <... symlinkat resumed>) = 0 [pid 1543] close(21 [pid 1544] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./248/cgroup.cpu" [pid 1544] <... unlinkat resumed>) = 0 [pid 1543] close(22 [pid 1544] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1544] <... unlinkat resumed>) = 0 [pid 1543] close(23 [pid 312] unlink("./248/cgroup.cpu" [pid 1544] close(3 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1543] close(24 [pid 312] umount2("./248/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./241", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1544] close(4 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1543] close(25 [pid 312] newfstatat(AT_FDCWD, "./248/cgroup" [pid 310] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1544] close(5 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1543] close(26 [pid 312] unlink("./248/cgroup" [pid 310] fstat(3 [pid 1544] close(6 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1543] close(27 [pid 310] getdents64(3 [pid 1544] close(7 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1543] close(28 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1544] close(8 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1543] close(29 [pid 310] <... umount2 resumed>) = 0 [pid 1544] close(9 [pid 1543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 310] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1543] exit_group(0 [pid 312] rmdir("./248" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1544] close(10 [pid 1543] <... exit_group resumed>) = ? [pid 312] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./241/config" [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./241/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4 [pid 1543] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1544] close(11 [pid 312] mkdir("./249", 0777 [pid 310] getdents64(4 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1544] close(12 [pid 312] <... mkdir resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(4 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1544] close(13 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] close(4 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... close resumed>) = 0 [pid 1544] close(14 [pid 310] rmdir("./241/config") = 0 [pid 310] umount2("./241/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./241/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1545 attached [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./241/binderfs" [pid 1545] set_robust_list(0x55555bb49760, 24 [pid 1544] close(15 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 251 [pid 310] <... unlink resumed>) = 0 [pid 1545] <... set_robust_list resumed>) = 0 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./241/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1545] rt_sigprocmask(SIG_SETMASK, [] [pid 1544] close(16 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1545] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./241/cgroup.net" [pid 1545] chdir("./249" [pid 1544] close(17 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1545] <... chdir resumed>) = 0 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 310] unlink("./241/cgroup.net" [pid 1545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1544] close(18 [pid 310] <... unlink resumed>) = 0 [pid 1545] <... prctl resumed>) = 0 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./241/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1545] setpgid(0, 0 [pid 1544] close(19 [pid 313] umount2("./253", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1545] <... setpgid resumed>) = 0 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1545] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1544] close(20 [pid 313] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./241/cgroup.cpu" [pid 1545] <... symlink resumed>) = 0 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1545] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1544] close(21 [pid 313] getdents64(3 [pid 310] unlink("./241/cgroup.cpu" [pid 1545] <... symlink resumed>) = 0 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1545] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1544] close(22 [pid 313] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1545] <... symlink resumed>) = 0 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1544] close(23 [pid 313] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./241/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1545] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1545] write(3, "1000", 4 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./253/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1545] <... write resumed>) = 4 [pid 1544] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1545] close(3 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./241/cgroup" [pid 1545] <... close resumed>) = 0 [pid 1544] close(25 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1545] symlink("/dev/binderfs", "./binderfs" [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./253/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1545] <... symlink resumed>) = 0 [pid 1544] close(26 [pid 313] <... openat resumed>) = 4 [pid 310] unlink("./241/cgroup" [pid 1545] write(1, "executing program\n", 18 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 1545] <... write resumed>) = 18 [pid 1544] close(27 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1545] mkdirat(AT_FDCWD, "./config", 0777 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 1545] <... mkdirat resumed>) = 0 [pid 1544] close(28 executing program [pid 313] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1545] mount(NULL, "./config", "configfs", 0, NULL [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 1545] <... mount resumed>) = 0 [pid 313] close(4 [pid 1544] close(29 [pid 313] <... close resumed>) = 0 [pid 1545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./253/config" [pid 310] <... close resumed>) = 0 [pid 1545] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1544] exit_group(0 [pid 313] <... rmdir resumed>) = 0 [pid 310] rmdir("./241" [pid 1545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1544] <... exit_group resumed>) = ? [pid 313] umount2("./253/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1545] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./253/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 313] unlink("./253/binderfs") = 0 [pid 313] umount2("./253/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./244", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1544] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./242", 0777 [pid 313] newfstatat(AT_FDCWD, "./253/cgroup.net" [pid 311] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1545] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1545] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] unlink("./253/cgroup.net" [pid 311] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] umount2("./239", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1545] <... symlinkat resumed>) = 0 [pid 313] umount2("./253/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1545] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1545] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./253/cgroup.cpu" [pid 311] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1545] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 313] unlink("./253/cgroup.cpu" [pid 311] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./253/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./244/config"ci2-android-5-15/strace-static-x86_64: Process 1546 attached [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1545] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./253/cgroup" [pid 1546] set_robust_list(0x55555bb49760, 24 [pid 311] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 244 [pid 1546] <... set_robust_list resumed>) = 0 [pid 1545] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 1546] rt_sigprocmask(SIG_SETMASK, [] [pid 313] unlink("./253/cgroup" [pid 311] openat(AT_FDCWD, "./244/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1546] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 309] fstat(3 [pid 1545] close(4 [pid 313] getdents64(3 [pid 311] fstat(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1546] chdir("./242" [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1546] <... chdir resumed>) = 0 [pid 1545] close(5 [pid 313] close(3 [pid 311] getdents64(4 [pid 309] getdents64(3 [pid 1546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1546] <... prctl resumed>) = 0 [pid 1545] close(6 [pid 313] rmdir("./253" [pid 311] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1546] setpgid(0, 0 [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1546] <... setpgid resumed>) = 0 [pid 1545] close(7 [pid 313] mkdir("./254", 0777 [pid 311] close(4 [pid 1546] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1546] <... symlink resumed>) = 0 [pid 1545] close(8 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rmdir("./244/config" [pid 309] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1546] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./244/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1547 attached [pid 1546] <... symlink resumed>) = 0 [pid 1545] close(9 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./239/config" [pid 1547] set_robust_list(0x55555bb49760, 24 [pid 1546] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 256 [pid 311] newfstatat(AT_FDCWD, "./244/binderfs" [pid 1547] <... set_robust_list resumed>) = 0 [pid 1546] <... symlink resumed>) = 0 [pid 1545] close(10 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1547] rt_sigprocmask(SIG_SETMASK, [] [pid 1546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] unlink("./244/binderfs" [pid 1547] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1546] <... openat resumed>) = 3 [pid 311] <... unlink resumed>) = 0 [pid 1545] close(11 [pid 309] umount2("./239/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1547] chdir("./254" [pid 1546] write(3, "1000", 4 [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./244/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1547] <... chdir resumed>) = 0 [pid 1546] <... write resumed>) = 4 [pid 1545] close(12 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1546] close(3 [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./244/cgroup.net" [pid 309] openat(AT_FDCWD, "./239/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1547] <... prctl resumed>) = 0 [pid 1546] <... close resumed>) = 0 [pid 1545] close(13 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1547] setpgid(0, 0 [pid 311] unlink("./244/cgroup.net" [pid 309] <... openat resumed>) = 4 [pid 1547] <... setpgid resumed>) = 0 [pid 1546] symlink("/dev/binderfs", "./binderfs" [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 1547] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 311] umount2("./244/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1546] <... symlink resumed>) = 0 [pid 1545] close(14 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1547] <... symlink resumed>) = 0 [pid 1546] write(1, "executing program\n", 18 [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 311] newfstatat(AT_FDCWD, "./244/cgroup.cpu" [pid 309] getdents64(4 [pid 1547] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1546] <... write resumed>) = 18 [pid 1545] close(15 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./244/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1547] <... symlink resumed>) = 0 [pid 1546] mkdirat(AT_FDCWD, "./config", 0777 [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 1547] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1546] <... mkdirat resumed>) = 0 [pid 1545] close(16 [pid 311] umount2("./244/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1547] <... symlink resumed>) = 0 [pid 1546] mount(NULL, "./config", "configfs", 0, NULL [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 1547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] newfstatat(AT_FDCWD, "./244/cgroup" [pid 1546] <... mount resumed>) = 0 [pid 1545] close(17 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 311] unlink("./244/cgroup" [pid 1547] <... openat resumed>) = 3 [pid 1546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] write(3, "1000", 4 [pid 311] <... unlink resumed>) = 0 [pid 309] rmdir("./239/config" [pid 1547] <... write resumed>) = 4 [pid 1546] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1545] close(18 [pid 311] getdents64(3 [pid 1547] close(3 [pid 1546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1547] <... close resumed>) = 0 [pid 1546] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1545] close(19 [pid 311] close(3 [pid 309] umount2("./239/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1547] symlink("/dev/binderfs", "./binderfs" [pid 1546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 311] rmdir("./244" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1547] <... symlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 311] mkdir("./245", 0777 [pid 1546] <... mkdirat resumed>) = 0 [pid 1547] write(1, "executing program\n", 18 [pid 1545] close(20 [pid 1546] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./239/binderfs" [pid 1547] <... write resumed>) = 18 [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1546] <... symlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1548 attached [pid 1547] mkdirat(AT_FDCWD, "./config", 0777 [pid 1546] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1545] close(21 [pid 309] unlink("./239/binderfs" [pid 1548] set_robust_list(0x55555bb49760, 24 [pid 1547] <... mkdirat resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 247 [pid 1548] <... set_robust_list resumed>) = 0 [pid 1547] mount(NULL, "./config", "configfs", 0, NULL [pid 1546] <... unlinkat resumed>) = 0 [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 1548] rt_sigprocmask(SIG_SETMASK, [] [pid 1546] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1545] close(22 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./239/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1547] <... mount resumed>) = 0 [pid 1546] <... unlinkat resumed>) = 0 [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1546] close(3 [pid 1545] close(23 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1548] chdir("./245" [pid 1547] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./239/cgroup.net" [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] <... chdir resumed>) = 0 [pid 1547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1545] close(24 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1547] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1546] close(4 [pid 1548] <... prctl resumed>) = 0 [pid 1547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./239/cgroup.net" [pid 1548] setpgid(0, 0) = 0 [pid 1547] <... mkdirat resumed>) = 0 [pid 1546] close(5 [pid 1545] close(25 [pid 309] <... unlink resumed>) = 0 [pid 1548] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1547] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./239/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1548] <... symlink resumed>) = 0 [pid 1546] close(6 [pid 1545] close(26 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1548] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1547] <... symlinkat resumed>) = 0 [pid 1546] close(7 [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./239/cgroup.cpu" [pid 1548] <... symlink resumed>) = 0 [pid 1547] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1545] close(27 [pid 1548] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1547] <... unlinkat resumed>) = 0 [pid 1546] close(8 [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] <... symlink resumed>) = 0 [pid 309] unlink("./239/cgroup.cpu" [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1547] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1545] close(28 [pid 1546] close(9 [pid 309] <... unlink resumed>) = 0 [pid 1548] <... openat resumed>) = 3 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./239/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1547] <... unlinkat resumed>) = 0 [pid 1545] close(29 [pid 1546] close(10 [pid 1548] write(3, "1000", 4 [pid 1547] close(3 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1548] <... write resumed>) = 4 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] close(11 [pid 1547] close(4 [pid 1545] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./239/cgroup" [pid 1548] close(3 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1545] <... exit_group resumed>) = ? [pid 1548] <... close resumed>) = 0 [pid 1547] close(5 [pid 1546] close(12 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1545] +++ exited with 0 +++ [pid 309] unlink("./239/cgroup" [pid 1548] symlink("/dev/binderfs", "./binderfs" [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1548] <... symlink resumed>) = 0 [pid 1546] close(13 [pid 309] <... unlink resumed>) = 0 [pid 1547] close(6 [pid 1548] write(1, "executing program\n", 18 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(3 [pid 1548] <... write resumed>) = 18 [pid 1547] close(7 [pid 1546] close(14 [pid 1548] mkdirat(AT_FDCWD, "./config", 0777 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1548] <... mkdirat resumed>) = 0 [pid 1546] close(15 [pid 1548] mount(NULL, "./config", "configfs", 0, NULL [pid 1547] close(8 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1548] <... mount resumed>) = 0 [pid 1546] close(16 [pid 1548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1548] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1547] close(9 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./239" [pid 1548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] close(17 [pid 1548] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1547] close(10 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] close(18 [pid 309] mkdir("./240", 0777 [pid 1548] <... mkdirat resumed>) = 0 [pid 1547] close(11 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1548] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] close(19 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1548] <... symlinkat resumed>) = 0 [pid 1547] close(12 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] close(20 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1548] <... unlinkat resumed>) = 0 [pid 1547] close(13 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1548] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] close(21ci2-android-5-15/strace-static-x86_64: Process 1549 attached [pid 1547] close(14 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] set_robust_list(0x55555bb49760, 24 [pid 1548] <... unlinkat resumed>) = 0 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] close(22 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 242 [pid 1549] <... set_robust_list resumed>) = 0 [pid 1548] close(3 [pid 1547] close(15 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] rt_sigprocmask(SIG_SETMASK, [] [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] close(23 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1549] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1548] close(4 [pid 1547] close(16 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] chdir("./240" [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] close(24 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1549] <... chdir resumed>) = 0 [pid 1548] close(5 [pid 1549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] close(17 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] <... prctl resumed>) = 0 [pid 1548] close(6 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] close(25 [pid 1549] setpgid(0, 0) = 0 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1547] close(18 [pid 1548] close(7 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] <... symlink resumed>) = 0 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] close(26 [pid 1549] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1548] close(8 [pid 1547] close(19 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] <... symlink resumed>) = 0 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1546] close(27 [pid 1549] <... symlink resumed>) = 0 [pid 1548] close(9 [pid 1547] close(20 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] close(28 [pid 1549] write(3, "1000", 4) = 4 [pid 1549] close(3 [pid 1548] close(10 [pid 1547] close(21 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] <... close resumed>) = 0 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] close(29 [pid 1549] symlink("/dev/binderfs", "./binderfs" [pid 1548] close(11 [pid 1549] <... symlink resumed>) = 0 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] close(22 [pid 1546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] write(1, "executing program\n", 18) = 18 executing program [pid 1549] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1548] close(12 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] exit_group(0 [pid 1549] mount(NULL, "./config", "configfs", 0, NULL [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] close(23 [pid 1546] <... exit_group resumed>) = ? [pid 1549] <... mount resumed>) = 0 [pid 1549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1549] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1548] close(13 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1546] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 1549] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] close(24 [pid 1549] <... unlinkat resumed>) = 0 [pid 1548] close(14 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1549] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] close(25 [pid 1549] <... unlinkat resumed>) = 0 [pid 1548] close(15 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1549] close(3 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] close(26 [pid 312] umount2("./249", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] close(16 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] close(4 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] close(17 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] close(5 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] close(28 [pid 312] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] close(18 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] close(6 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] close(29 [pid 312] <... openat resumed>) = 3 [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] close(19 [pid 1547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] close(7 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] close(20 [pid 1547] exit_group(0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1549] close(8 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1547] <... exit_group resumed>) = ? [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1549] close(9 [pid 1548] close(21 [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] close(10) = -1 EBADF (Bad file descriptor) [pid 1549] close(11) = -1 EBADF (Bad file descriptor) [pid 1549] close(12) = -1 EBADF (Bad file descriptor) [pid 1549] close(13) = -1 EBADF (Bad file descriptor) [pid 1549] close(14 [pid 1547] +++ exited with 0 +++ [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1549] close(15 [pid 1548] close(22 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] close(16) = -1 EBADF (Bad file descriptor) [pid 1548] close(23 [pid 1549] close(17 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] close(24 [pid 1549] close(18 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] close(25 [pid 1549] close(19 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] close(20 [pid 1548] close(26 [pid 312] newfstatat(AT_FDCWD, "./249/config" [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] close(27 [pid 1549] close(22 [pid 312] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] close(23) = -1 EBADF (Bad file descriptor) [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1548] close(28 [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1549] close(25 [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./249/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1548] close(29 [pid 1549] close(26) = -1 EBADF (Bad file descriptor) [pid 1548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1549] close(27) = -1 EBADF (Bad file descriptor) [pid 1548] exit_group(0 [pid 1549] close(28 [pid 312] fstat(4 [pid 1548] <... exit_group resumed>) = ? [pid 1549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1549] close(29) = -1 EBADF (Bad file descriptor) [pid 1549] exit_group(0) = ? [pid 1549] +++ exited with 0 +++ [pid 1548] +++ exited with 0 +++ [pid 312] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] getdents64(4 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4) = 0 [pid 309] umount2("./240", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./249/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./249/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 312] newfstatat(AT_FDCWD, "./249/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 312] unlink("./249/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... unlink resumed>) = 0 [pid 309] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./249/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./249/cgroup.net" [pid 311] <... restart_syscall resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./249/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./240/config" [pid 311] umount2("./245", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./249/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(3 [pid 312] newfstatat(AT_FDCWD, "./249/cgroup.cpu" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] umount2("./240/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./249/cgroup.cpu" [pid 311] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 309] openat(AT_FDCWD, "./240/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./249/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 311] newfstatat(AT_FDCWD, "./245/config" [pid 312] newfstatat(AT_FDCWD, "./249/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 312] unlink("./249/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./242", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] openat(AT_FDCWD, "./245/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 311] fstat(4 [pid 309] getdents64(4 [pid 310] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] close(3 [pid 311] getdents64(4 [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 312] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] fstat(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] rmdir("./249" [pid 311] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] close(4 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 312] mkdir("./250", 0777 [pid 311] close(4 [pid 309] <... close resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] rmdir("./240/config" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rmdir("./245/config" [pid 310] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./245/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./240/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./245/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] unlink("./245/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1550 attached ) = 0 [pid 310] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1550] set_robust_list(0x55555bb49760, 24 [pid 311] umount2("./245/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1550] <... set_robust_list resumed>) = 0 [pid 313] umount2("./254", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 252 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./240/binderfs" [pid 1550] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] newfstatat(AT_FDCWD, "./245/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./242/config" [pid 1550] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1550] chdir("./250" [pid 313] <... openat resumed>) = 3 [pid 311] unlink("./245/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./240/binderfs" [pid 1550] <... chdir resumed>) = 0 [pid 313] fstat(3 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] umount2("./245/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1550] <... prctl resumed>) = 0 [pid 313] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./240/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1550] setpgid(0, 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] newfstatat(AT_FDCWD, "./245/cgroup.cpu" [pid 310] openat(AT_FDCWD, "./242/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1550] <... setpgid resumed>) = 0 [pid 313] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1550] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... umount2 resumed>) = 0 [pid 311] unlink("./245/cgroup.cpu" [pid 310] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./240/cgroup.net" [pid 1550] <... symlink resumed>) = 0 [pid 313] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 1550] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./245/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1550] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./254/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] unlink("./240/cgroup.net" [pid 1550] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./245/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1550] <... symlink resumed>) = 0 [pid 313] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./245/cgroup" [pid 310] getdents64(4 [pid 1550] <... openat resumed>) = 3 [pid 313] openat(AT_FDCWD, "./254/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./240/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1550] write(3, "1000", 4 [pid 313] <... openat resumed>) = 4 [pid 311] getdents64(3 [pid 310] close(4 [pid 1550] <... write resumed>) = 4 [pid 313] fstat(4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1550] close(3 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] close(3 [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./240/cgroup.cpu" [pid 1550] <... close resumed>) = 0 [pid 313] getdents64(4 [pid 311] <... close resumed>) = 0 [pid 310] rmdir("./242/config" [pid 1550] symlink("/dev/binderfs", "./binderfs" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] rmdir("./245" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1550] <... symlink resumed>) = 0 [pid 313] getdents64(4 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1550] write(1, "executing program\n", 18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 executing program [pid 311] mkdir("./246", 0777 [pid 310] umount2("./242/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./240/cgroup.cpu" [pid 1550] <... write resumed>) = 18 [pid 313] close(4 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1550] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./242/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1550] <... mkdirat resumed>) = 0 [pid 313] rmdir("./254/config" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1550] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... rmdir resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./240/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1551 attached [pid 1550] <... mount resumed>) = 0 [pid 313] umount2("./254/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./242/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1551] set_robust_list(0x55555bb49760, 24 [pid 1550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 248 [pid 1551] <... set_robust_list resumed>) = 0 [pid 1550] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./254/binderfs" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./240/cgroup" [pid 1551] rt_sigprocmask(SIG_SETMASK, [] [pid 1550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./242/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1551] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1550] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] unlink("./254/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1551] chdir("./246" [pid 1550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./240/cgroup" [pid 1551] <... chdir resumed>) = 0 [pid 1550] <... mkdirat resumed>) = 0 [pid 313] umount2("./254/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./242/cgroup.net" [pid 1551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1550] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1551] <... prctl resumed>) = 0 [pid 1550] <... symlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./254/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1551] setpgid(0, 0 [pid 1550] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./242/cgroup.net" [pid 309] getdents64(3 [pid 1551] <... setpgid resumed>) = 0 [pid 1550] <... unlinkat resumed>) = 0 [pid 313] unlink("./254/cgroup.net" [pid 1551] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1550] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1551] <... symlink resumed>) = 0 [pid 1550] <... unlinkat resumed>) = 0 [pid 313] umount2("./254/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./242/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1551] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1550] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./254/cgroup.cpu" [pid 309] <... close resumed>) = 0 [pid 1551] <... symlink resumed>) = 0 [pid 1550] close(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./242/cgroup.cpu" [pid 309] rmdir("./240" [pid 1551] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./254/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1550] close(5 [pid 313] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1551] <... symlink resumed>) = 0 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./254/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./242/cgroup.cpu" [pid 1551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1550] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./241", 0777 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./254/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 1551] <... openat resumed>) = 3 [pid 1550] close(7 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./242/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 1551] write(3, "1000", 4 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./254/cgroup" [pid 1551] <... write resumed>) = 4 [pid 1550] close(8 [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1551] close(3 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./242/cgroup" [pid 1551] <... close resumed>) = 0 [pid 1550] close(9 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1551] symlink("/dev/binderfs", "./binderfs" [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1550] close(10 [pid 1551] <... symlink resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./254" [pid 310] unlink("./242/cgroup" [pid 1550] close(11 [pid 313] <... rmdir resumed>) = 0 [pid 1551] write(1, "executing program\n", 18 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] mkdir("./255", 0777 [pid 310] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1552 attached [pid 1551] <... write resumed>) = 18 [pid 1550] close(12 [pid 313] <... mkdir resumed>) = 0 [pid 310] getdents64(3 [pid 1552] set_robust_list(0x55555bb49760, 24 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1552] <... set_robust_list resumed>) = 0 [pid 1551] mkdirat(AT_FDCWD, "./config", 0777 [pid 1550] close(13 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 243 [pid 1552] rt_sigprocmask(SIG_SETMASK, [] [pid 1551] <... mkdirat resumed>) = 0 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1552] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1551] mount(NULL, "./config", "configfs", 0, NULL [pid 1550] close(14 [pid 310] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1553 attached [pid 1552] chdir("./241" [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 257 [pid 1552] <... chdir resumed>) = 0 [pid 1551] <... mount resumed>) = 0 [pid 1550] close(15 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1553] set_robust_list(0x55555bb49760, 24 [pid 1552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1553] <... set_robust_list resumed>) = 0 [pid 1552] <... prctl resumed>) = 0 [pid 1551] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1550] close(16 [pid 310] rmdir("./242" [pid 1553] rt_sigprocmask(SIG_SETMASK, [] [pid 1552] setpgid(0, 0 [pid 1551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1552] <... setpgid resumed>) = 0 [pid 1551] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1550] close(17 [pid 310] <... rmdir resumed>) = 0 [pid 1553] chdir("./255" [pid 1552] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./243", 0777 [pid 1553] <... chdir resumed>) = 0 [pid 1552] <... symlink resumed>) = 0 [pid 1550] close(18 [pid 1552] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1551] <... mkdirat resumed>) = 0 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1552] <... symlink resumed>) = 0 [pid 1551] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1550] close(19 [pid 310] <... mkdir resumed>) = 0 [pid 1553] <... prctl resumed>) = 0 [pid 1552] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] setpgid(0, 0 [pid 1552] <... symlink resumed>) = 0 [pid 1551] <... symlinkat resumed>) = 0 [pid 1550] close(20 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1553] <... setpgid resumed>) = 0 [pid 1552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1551] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1552] <... openat resumed>) = 3 [pid 1550] close(21 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1552] write(3, "1000", 4 [pid 1551] <... unlinkat resumed>) = 0 [pid 1553] <... symlink resumed>) = 0 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1553] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1552] <... write resumed>) = 4 [pid 1551] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1550] close(22 [pid 1552] close(3 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] <... close resumed>) = 0 [pid 1550] close(23 [pid 1552] symlink("/dev/binderfs", "./binderfs" [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1554 attached [pid 1553] <... symlink resumed>) = 0 [pid 1552] <... symlink resumed>) = 0 [pid 1550] close(24 [pid 1554] set_robust_list(0x55555bb49760, 24 [pid 1553] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1552] write(1, "executing program\n", 18 [pid 1551] <... unlinkat resumed>) = 0 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 245 [pid 1554] <... set_robust_list resumed>) = 0 [pid 1553] <... symlink resumed>) = 0 executing program [pid 1552] <... write resumed>) = 18 [pid 1551] close(3 [pid 1550] close(25 [pid 1554] rt_sigprocmask(SIG_SETMASK, [] [pid 1553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1552] mkdirat(AT_FDCWD, "./config", 0777 [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1554] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1552] <... mkdirat resumed>) = 0 [pid 1550] close(26 [pid 1554] chdir("./243" [pid 1553] <... openat resumed>) = 3 [pid 1552] mount(NULL, "./config", "configfs", 0, NULL [pid 1551] close(4 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1554] <... chdir resumed>) = 0 [pid 1553] write(3, "1000", 4 [pid 1552] <... mount resumed>) = 0 [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1550] close(27 [pid 1554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1553] <... write resumed>) = 4 [pid 1552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1551] close(5 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... prctl resumed>) = 0 [pid 1553] close(3 [pid 1552] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1550] close(28 [pid 1554] setpgid(0, 0 [pid 1553] <... close resumed>) = 0 [pid 1552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1551] close(6 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... setpgid resumed>) = 0 [pid 1553] symlink("/dev/binderfs", "./binderfs" [pid 1552] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1550] close(29 [pid 1554] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... symlink resumed>) = 0 [pid 1553] <... symlink resumed>) = 0 [pid 1552] <... mkdirat resumed>) = 0 [pid 1551] close(7 [pid 1550] exit_group(0 [pid 1554] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1553] write(1, "executing program\n", 18 executing program [pid 1552] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1550] <... exit_group resumed>) = ? [pid 1554] <... symlink resumed>) = 0 [pid 1553] <... write resumed>) = 18 [pid 1552] <... symlinkat resumed>) = 0 [pid 1551] close(8 [pid 1550] +++ exited with 0 +++ [pid 1554] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1553] mkdirat(AT_FDCWD, "./config", 0777 [pid 1552] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... symlink resumed>) = 0 [pid 1552] <... unlinkat resumed>) = 0 [pid 1554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1552] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1554] <... openat resumed>) = 3 [pid 1553] <... mkdirat resumed>) = 0 [pid 1552] <... unlinkat resumed>) = 0 [pid 1551] close(9 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1554] write(3, "1000", 4 [pid 1552] close(3 [pid 1554] <... write resumed>) = 4 [pid 1553] mount(NULL, "./config", "configfs", 0, NULL [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1554] close(3 [pid 1552] close(4 [pid 1554] <... close resumed>) = 0 [pid 1553] <... mount resumed>) = 0 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(10 [pid 1554] symlink("/dev/binderfs", "./binderfs" [pid 1553] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1552] close(5 [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... symlink resumed>) = 0 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] write(1, "executing program\n", 18 [pid 1553] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1552] close(6 [pid 1551] close(11 [pid 1554] <... write resumed>) = 18 executing program [pid 1553] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] mkdirat(AT_FDCWD, "./config", 0777 [pid 1552] close(7 [pid 1554] <... mkdirat resumed>) = 0 [pid 1553] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(12 [pid 1554] mount(NULL, "./config", "configfs", 0, NULL [pid 1553] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1552] close(8 [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... mount resumed>) = 0 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1553] <... mkdirat resumed>) = 0 [pid 1552] close(9 [pid 1551] close(13 [pid 1554] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1553] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1552] close(10 [pid 1554] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1553] <... symlinkat resumed>) = 0 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(14 [pid 1554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1553] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1552] close(11 [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1553] <... unlinkat resumed>) = 0 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(15 [pid 1554] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1553] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1552] close(12 [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... symlinkat resumed>) = 0 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1552] close(13 [pid 1554] <... unlinkat resumed>) = 0 [pid 1553] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(16 [pid 1554] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1553] close(3 [pid 1552] close(14 [pid 1554] <... unlinkat resumed>) = 0 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] close(3 [pid 1552] close(15 [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] close(4 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(17 [pid 1554] close(4 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] close(16 [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] close(5 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(18 [pid 1554] close(5 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] close(17 [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] close(6 [pid 1553] close(6 [pid 1552] close(18 [pid 1551] close(19 [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] close(7 [pid 1552] close(19 [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] close(7 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(20 [pid 1554] close(8 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] close(20 [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] close(9 [pid 1553] close(8 [pid 1552] close(21 [pid 1551] close(21 [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] close(10 [pid 1553] close(9 [pid 1552] close(22 [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(22 [pid 1554] close(11 [pid 1552] close(23 [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] close(10 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] close(12 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] close(24 [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] close(11 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(23 [pid 1554] close(13 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] close(25 [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] close(12 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(24 [pid 1554] close(14 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] close(26 [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] close(13 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(25 [pid 1554] close(15 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] close(27 [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] close(16 [pid 1553] close(14 [pid 1552] close(28 [pid 1551] close(26 [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1554] close(17 [pid 1552] close(29 [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] close(15 [pid 1552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(27 [pid 1554] close(18 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] exit_group(0 [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1552] <... exit_group resumed>) = ? [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] close(19 [pid 1553] close(16 [pid 1552] +++ exited with 0 +++ [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] close(28 [pid 312] umount2("./250", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1554] close(20 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] close(17 [pid 1551] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1554] close(21 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] close(18 [pid 1554] close(22) = -1 EBADF (Bad file descriptor) [pid 1551] exit_group(0 [pid 1554] close(23 [pid 312] <... openat resumed>) = 3 [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1551] <... exit_group resumed>) = ? [pid 312] fstat(3 [pid 1554] close(24 [pid 1553] close(19 [pid 1554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1554] close(25) = -1 EBADF (Bad file descriptor) [pid 1554] close(26) = -1 EBADF (Bad file descriptor) [pid 1554] close(27) = -1 EBADF (Bad file descriptor) [pid 1554] close(28) = -1 EBADF (Bad file descriptor) [pid 1554] close(29) = -1 EBADF (Bad file descriptor) [pid 1554] exit_group(0) = ? [pid 1551] +++ exited with 0 +++ [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1554] +++ exited with 0 +++ [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] getdents64(3 [pid 1553] close(20 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1553] close(21 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1553] close(22 [pid 312] <... umount2 resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1553] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./250/config" [pid 1553] close(24 [pid 309] umount2("./241", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1553] close(25 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1553] close(26 [pid 309] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1553] close(27 [pid 309] <... openat resumed>) = 3 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./250/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 1553] close(28) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1553] close(29 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] fstat(4 [pid 1553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1553] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] getdents64(4 [pid 1553] <... exit_group resumed>) = ? [pid 309] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1553] +++ exited with 0 +++ [pid 311] <... restart_syscall resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] getdents64(4 [pid 309] <... umount2 resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] umount2("./246", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./241/config" [pid 312] rmdir("./250/config" [pid 311] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] getdents64(3 [pid 312] umount2("./250/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./241/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./250/binderfs" [pid 311] <... umount2 resumed>) = 0 [pid 309] openat(AT_FDCWD, "./241/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./250/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./246/config" [pid 309] fstat(4 [pid 312] umount2("./250/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./250/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./246/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 312] unlink("./250/cgroup.net" [pid 311] <... openat resumed>) = 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... unlink resumed>) = 0 [pid 311] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] umount2("./250/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 309] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] newfstatat(AT_FDCWD, "./250/cgroup.cpu" [pid 311] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./243", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./250/cgroup.cpu" [pid 311] close(4 [pid 309] close(4 [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./246/config") = 0 [pid 309] <... close resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./246/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./241/config" [pid 312] umount2("./250/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./246/binderfs" [pid 310] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 309] umount2("./241/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./250/cgroup" [pid 311] unlink("./246/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./250/cgroup" [pid 311] umount2("./246/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./241/binderfs" [pid 312] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./246/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] close(3 [pid 311] unlink("./246/cgroup.net") = 0 [pid 309] unlink("./241/binderfs" [pid 312] <... close resumed>) = 0 [pid 311] umount2("./246/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 312] rmdir("./250" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./246/cgroup.cpu" [pid 312] mkdir("./251", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./241/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 311] unlink("./246/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./243/config" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./246/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./241/cgroup.net" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./246/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./246/cgroup") = 0 ci2-android-5-15/strace-static-x86_64: Process 1555 attached [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./241/cgroup.net" [pid 1555] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 253 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./243/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1555] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] close(3 [pid 309] <... unlink resumed>) = 0 [pid 1555] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./241/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1555] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] rmdir("./246" [pid 310] fstat(4 [pid 1555] chdir("./251" [pid 311] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1555] <... chdir resumed>) = 0 [pid 311] mkdir("./247", 0777 [pid 1555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] umount2("./255", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... mkdir resumed>) = 0 [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./241/cgroup.cpu" [pid 1555] <... prctl resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1555] setpgid(0, 0 [pid 313] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1555] <... setpgid resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] unlink("./241/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1556 attached [pid 1555] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] fstat(3 [pid 1555] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 249 [pid 310] close(4 [pid 1556] set_robust_list(0x55555bb49760, 24 [pid 309] <... unlink resumed>) = 0 [pid 1555] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] getdents64(3 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1556] <... set_robust_list resumed>) = 0 [pid 1555] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./241/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1555] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1556] rt_sigprocmask(SIG_SETMASK, [] [pid 1555] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 310] rmdir("./243/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1556] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1556] chdir("./247" [pid 1555] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./241/cgroup" [pid 1556] <... chdir resumed>) = 0 [pid 1555] write(3, "1000", 4 [pid 313] newfstatat(AT_FDCWD, "./255/config" [pid 310] umount2("./243/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1555] <... write resumed>) = 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1556] <... prctl resumed>) = 0 [pid 1555] close(3 [pid 313] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./241/cgroup" [pid 1556] setpgid(0, 0 [pid 1555] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./243/binderfs" [pid 1556] <... setpgid resumed>) = 0 [pid 1555] symlink("/dev/binderfs", "./binderfs" [pid 313] openat(AT_FDCWD, "./255/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1556] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1555] <... symlink resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1555] write(1, "executing program\n", 18 [pid 313] fstat(4 [pid 1556] <... symlink resumed>) = 0 [pid 1555] <... write resumed>) = 18 executing program [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] unlink("./243/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1556] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1555] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] getdents64(4 [pid 1555] <... mkdirat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... unlink resumed>) = 0 [pid 1556] <... symlink resumed>) = 0 [pid 309] close(3 [pid 1556] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1555] mount(NULL, "./config", "configfs", 0, NULL [pid 313] getdents64(4 [pid 310] umount2("./243/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1556] <... symlink resumed>) = 0 [pid 1555] <... mount resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 1556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./241" [pid 1556] <... openat resumed>) = 3 [pid 1555] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... close resumed>) = 0 [pid 1556] write(3, "1000", 4 [pid 1555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] rmdir("./255/config" [pid 310] newfstatat(AT_FDCWD, "./243/cgroup.net" [pid 309] <... rmdir resumed>) = 0 [pid 1556] <... write resumed>) = 4 [pid 1555] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rmdir resumed>) = 0 [pid 1555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] umount2("./255/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1556] close(3 [pid 1555] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./242", 0777 [pid 1556] <... close resumed>) = 0 [pid 1555] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] newfstatat(AT_FDCWD, "./255/binderfs" [pid 310] unlink("./243/cgroup.net" [pid 1556] symlink("/dev/binderfs", "./binderfs" [pid 1555] <... symlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1555] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] unlink("./255/binderfs" [pid 1556] <... symlink resumed>) = 0 [pid 1555] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1556] write(1, "executing program\n", 18 executing program [pid 1555] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] umount2("./255/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./243/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1556] <... write resumed>) = 18 [pid 1555] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1555] close(3 [pid 313] newfstatat(AT_FDCWD, "./255/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1556] mkdirat(AT_FDCWD, "./config", 0777 [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./243/cgroup.cpu" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1556] <... mkdirat resumed>) = 0 [pid 1555] close(4 [pid 313] unlink("./255/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1555] close(5 [pid 313] umount2("./255/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1557 attached [pid 1556] mount(NULL, "./config", "configfs", 0, NULL [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./243/cgroup.cpu" [pid 1557] set_robust_list(0x55555bb49760, 24 [pid 1556] <... mount resumed>) = 0 [pid 1555] close(6 [pid 313] newfstatat(AT_FDCWD, "./255/cgroup.cpu" [pid 1557] <... set_robust_list resumed>) = 0 [pid 1556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 244 [pid 1557] rt_sigprocmask(SIG_SETMASK, [] [pid 1556] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1555] close(7 [pid 313] unlink("./255/cgroup.cpu" [pid 1557] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./243/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1557] chdir("./242" [pid 1556] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1555] close(8 [pid 313] umount2("./255/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1557] <... chdir resumed>) = 0 [pid 1556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./243/cgroup" [pid 1557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1555] close(9 [pid 313] newfstatat(AT_FDCWD, "./255/cgroup" [pid 1557] <... prctl resumed>) = 0 [pid 1556] <... mkdirat resumed>) = 0 [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1557] setpgid(0, 0 [pid 1556] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1555] close(10 [pid 313] unlink("./255/cgroup" [pid 310] unlink("./243/cgroup" [pid 1557] <... setpgid resumed>) = 0 [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1557] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1556] <... symlinkat resumed>) = 0 [pid 1555] close(11 [pid 313] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 1557] <... symlink resumed>) = 0 [pid 1556] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1557] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1556] <... unlinkat resumed>) = 0 [pid 1555] close(12 [pid 313] close(3 [pid 310] getdents64(3 [pid 1557] <... symlink resumed>) = 0 [pid 1556] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1557] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1555] close(13 [pid 313] rmdir("./255" [pid 1557] <... symlink resumed>) = 0 [pid 1556] <... unlinkat resumed>) = 0 [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] close(3 [pid 1557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1556] close(3 [pid 1555] close(14 [pid 313] mkdir("./256", 0777 [pid 1557] <... openat resumed>) = 3 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1557] write(3, "1000", 4 [pid 1556] close(4 [pid 1555] close(15 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./243" [pid 1557] <... write resumed>) = 4 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1557] close(3 [pid 1556] close(5 [pid 1555] close(16 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rmdir resumed>) = 0 [pid 1557] <... close resumed>) = 0 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1558 attached [pid 1557] symlink("/dev/binderfs", "./binderfs" [pid 1556] close(6 [pid 1555] close(17 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 258 [pid 310] mkdir("./244", 0777 [pid 1558] set_robust_list(0x55555bb49760, 24 [pid 1557] <... symlink resumed>) = 0 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1557] write(1, "executing program\n", 18 [pid 1555] close(18 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1558] <... set_robust_list resumed>) = 0 [pid 1557] <... write resumed>) = 18 [pid 1556] close(7 [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1557] mkdirat(AT_FDCWD, "./config", 0777 [pid 1555] close(19 [pid 1558] rt_sigprocmask(SIG_SETMASK, [] [pid 1557] <... mkdirat resumed>) = 0 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1558] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1557] mount(NULL, "./config", "configfs", 0, NULL [pid 1555] close(20 [pid 1558] chdir("./256" [pid 1557] <... mount resumed>) = 0 [pid 1556] close(8 [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1558] <... chdir resumed>) = 0 [pid 1557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] close(21 [pid 1557] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1555] close(22 [pid 1557] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1559 attached [pid 1558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1556] close(9 [pid 1555] close(23 [pid 1559] set_robust_list(0x55555bb49760, 24 [pid 1558] <... prctl resumed>) = 0 [pid 1557] <... mkdirat resumed>) = 0 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 246 [pid 1559] <... set_robust_list resumed>) = 0 [pid 1558] setpgid(0, 0 [pid 1557] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1556] close(10 [pid 1555] close(24 [pid 1559] rt_sigprocmask(SIG_SETMASK, [] [pid 1558] <... setpgid resumed>) = 0 [pid 1557] <... symlinkat resumed>) = 0 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1559] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1557] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1555] close(25 [pid 1559] chdir("./244" [pid 1558] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1557] <... unlinkat resumed>) = 0 [pid 1556] close(11 [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1559] <... chdir resumed>) = 0 [pid 1558] <... symlink resumed>) = 0 [pid 1557] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] close(26 [pid 1559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1558] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1557] <... unlinkat resumed>) = 0 [pid 1556] close(12 [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... prctl resumed>) = 0 [pid 1557] close(3 [pid 1555] close(27 [pid 1559] setpgid(0, 0 [pid 1558] <... symlink resumed>) = 0 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... setpgid resumed>) = 0 [pid 1558] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1557] close(4 [pid 1556] close(13 [pid 1555] close(28 [pid 1559] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1558] <... symlink resumed>) = 0 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... symlink resumed>) = 0 [pid 1558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1557] close(5 [pid 1556] close(14 [pid 1555] close(29 [pid 1559] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... symlink resumed>) = 0 [pid 1558] <... openat resumed>) = 3 [pid 1557] close(6 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] exit_group(0 [pid 1559] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1558] write(3, "1000", 4 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1555] <... exit_group resumed>) = ? [pid 1559] <... symlink resumed>) = 0 [pid 1558] <... write resumed>) = 4 [pid 1557] close(7 [pid 1556] close(15 [pid 1555] +++ exited with 0 +++ [pid 1559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1558] close(3 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... openat resumed>) = 3 [pid 1558] <... close resumed>) = 0 [pid 1557] close(8 [pid 1556] close(16 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1559] write(3, "1000", 4 [pid 1558] symlink("/dev/binderfs", "./binderfs" [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1559] <... write resumed>) = 4 [pid 1558] <... symlink resumed>) = 0 [pid 1557] close(9 [pid 1556] close(17 [pid 1559] close(3 [pid 1558] write(1, "executing program\n", 18 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... close resumed>) = 0 [pid 1558] <... write resumed>) = 18 [pid 1557] close(10 [pid 1556] close(18 executing program [pid 1559] symlink("/dev/binderfs", "./binderfs" [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... symlink resumed>) = 0 [pid 1558] mkdirat(AT_FDCWD, "./config", 0777 [pid 1557] close(11 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] write(1, "executing program\n", 18 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... write resumed>) = 18 executing program [pid 1557] close(12 [pid 1559] mkdirat(AT_FDCWD, "./config", 0777 [pid 1558] <... mkdirat resumed>) = 0 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] close(19 [pid 1559] <... mkdirat resumed>) = 0 [pid 1557] close(13 [pid 1559] mount(NULL, "./config", "configfs", 0, NULL [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... mount resumed>) = 0 [pid 1558] mount(NULL, "./config", "configfs", 0, NULL [pid 1557] close(14 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1557] close(15 [pid 1558] <... mount resumed>) = 0 [pid 1559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] close(20 [pid 1559] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1557] close(16 [pid 1559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... mkdirat resumed>) = 0 [pid 1558] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1557] close(17 [pid 1559] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] close(21 [pid 1559] <... symlinkat resumed>) = 0 [pid 1557] close(18 [pid 1559] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1558] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... unlinkat resumed>) = 0 [pid 1558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1557] close(19 [pid 1559] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1558] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] close(22 [pid 1559] <... unlinkat resumed>) = 0 [pid 1558] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1557] close(20 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] close(3 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1557] close(21 [pid 1556] close(23 [pid 1559] close(4 [pid 1558] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1557] close(22 [pid 1559] close(5 [pid 1558] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] close(24 [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1557] close(23 [pid 1559] close(6 [pid 1558] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] close(3 [pid 1557] close(24 [pid 1556] close(25 [pid 1559] close(7 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1557] close(25 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] close(8 [pid 1558] close(4 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] close(26 [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1557] close(26 [pid 1559] close(9 [pid 1558] close(5 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1557] close(27 [pid 1559] close(10 [pid 1558] close(6 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] close(27 [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1557] close(28 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] close(11 [pid 1558] close(7 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] close(28 [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1557] close(29 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] close(12 [pid 1558] close(8 [pid 1557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1556] close(29 [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1557] exit_group(0 [pid 1556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] close(13 [pid 1558] close(9 [pid 1557] <... exit_group resumed>) = ? [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1557] +++ exited with 0 +++ [pid 1556] exit_group(0 [pid 1559] close(14 [pid 1558] close(10 [pid 1556] <... exit_group resumed>) = ? [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] close(15 [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] close(16) = -1 EBADF (Bad file descriptor) [pid 1559] close(17) = -1 EBADF (Bad file descriptor) [pid 1559] close(18) = -1 EBADF (Bad file descriptor) [pid 1559] close(19) = -1 EBADF (Bad file descriptor) [pid 1559] close(20) = -1 EBADF (Bad file descriptor) [pid 1559] close(21) = -1 EBADF (Bad file descriptor) [pid 1556] +++ exited with 0 +++ [pid 1559] close(22 [pid 1558] close(11 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1559] close(23 [pid 1558] close(12 [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] close(24) = -1 EBADF (Bad file descriptor) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./251", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1559] close(25 [pid 1558] close(13 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] close(26 [pid 312] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1558] close(14 [pid 309] <... restart_syscall resumed>) = 0 [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1559] close(27 [pid 1558] close(15 [pid 312] fstat(3 [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1559] close(28) = -1 EBADF (Bad file descriptor) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] umount2("./242", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1559] close(29 [pid 1558] close(16 [pid 312] getdents64(3 [pid 311] <... restart_syscall resumed>) = 0 [pid 1559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1559] exit_group(0 [pid 1558] close(17 [pid 312] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1559] <... exit_group resumed>) = ? [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./247", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1559] +++ exited with 0 +++ [pid 1558] close(18 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 1558] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./251/config" [pid 311] fstat(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1558] close(20 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] getdents64(3 [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 1558] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./251/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1558] close(22 [pid 312] <... openat resumed>) = 4 [pid 311] <... umount2 resumed>) = 0 [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 311] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 1558] close(23 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./247/config" [pid 1558] close(24 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1558] close(25 [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./242/config" [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] openat(AT_FDCWD, "./247/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1558] close(26 [pid 312] close(4 [pid 311] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] getdents64(4 [pid 1558] close(27 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./242/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./251/config" [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1558] close(28 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./242/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./251/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 1558] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./251/binderfs" [pid 311] rmdir("./247/config" [pid 309] fstat(4 [pid 1558] exit_group(0 [pid 311] <... rmdir resumed>) = 0 [pid 1558] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./247/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./247/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./247/binderfs") = 0 [pid 311] umount2("./247/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1558] +++ exited with 0 +++ [pid 312] unlink("./251/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] newfstatat(AT_FDCWD, "./247/cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] umount2("./251/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./247/cgroup.net" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 312] newfstatat(AT_FDCWD, "./251/cgroup.net" [pid 311] umount2("./247/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./247/cgroup.cpu" [pid 310] umount2("./244", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 312] unlink("./251/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./247/cgroup.cpu" [pid 309] <... close resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./242/config" [pid 312] umount2("./251/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./247/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 309] <... rmdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./251/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./247/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./242/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./251/cgroup.cpu" [pid 311] unlink("./247/cgroup" [pid 310] getdents64(3 [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./251/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] newfstatat(AT_FDCWD, "./242/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 312] newfstatat(AT_FDCWD, "./251/cgroup" [pid 311] <... close resumed>) = 0 [pid 310] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./247" [pid 312] unlink("./251/cgroup" [pid 311] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] unlink("./242/binderfs" [pid 312] <... unlink resumed>) = 0 [pid 311] mkdir("./248", 0777 [pid 310] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./242/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./244/config" [pid 312] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1560 attached [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 250 [pid 1560] set_robust_list(0x55555bb49760, 24 [pid 312] rmdir("./251" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./242/cgroup.net" [pid 1560] <... set_robust_list resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1560] rt_sigprocmask(SIG_SETMASK, [] [pid 312] mkdir("./252", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./242/cgroup.net" [pid 1560] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./244/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1560] chdir("./248" [pid 310] <... openat resumed>) = 4 [pid 1560] <... chdir resumed>) = 0 [pid 309] umount2("./242/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] fstat(4 [pid 1560] <... prctl resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1560] setpgid(0, 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./242/cgroup.cpu" [pid 1560] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1561 attached [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1561] set_robust_list(0x55555bb49760, 24 [pid 1560] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 254 [pid 310] getdents64(4 [pid 309] unlink("./242/cgroup.cpu" [pid 1561] <... set_robust_list resumed>) = 0 [pid 1561] rt_sigprocmask(SIG_SETMASK, [] [pid 1560] <... symlink resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1561] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1560] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(4 [pid 309] <... unlink resumed>) = 0 [pid 1561] chdir("./252" [pid 1560] <... symlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./242/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1561] <... chdir resumed>) = 0 [pid 1560] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] umount2("./256", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./244/config" [pid 1561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1560] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1561] <... prctl resumed>) = 0 [pid 313] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1561] setpgid(0, 0 [pid 1560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... openat resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./242/cgroup" [pid 1561] <... setpgid resumed>) = 0 [pid 313] fstat(3 [pid 1561] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1560] <... openat resumed>) = 3 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./244/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1561] <... symlink resumed>) = 0 [pid 1560] write(3, "1000", 4 [pid 313] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1561] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1561] <... symlink resumed>) = 0 [pid 1560] <... write resumed>) = 4 [pid 313] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./244/binderfs" [pid 309] unlink("./242/cgroup" [pid 1561] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1560] close(3 [pid 1561] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1560] <... close resumed>) = 0 [pid 313] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./244/binderfs" [pid 309] getdents64(3 [pid 1561] <... openat resumed>) = 3 [pid 1560] symlink("/dev/binderfs", "./binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1561] write(3, "1000", 4 [pid 313] newfstatat(AT_FDCWD, "./256/config" [pid 310] <... unlink resumed>) = 0 [pid 1561] <... write resumed>) = 4 [pid 1560] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./244/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1561] close(3 [pid 1560] write(1, "executing program\n", 18 [pid 313] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 1561] <... close resumed>) = 0 [pid 1560] <... write resumed>) = 18 executing program [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./244/cgroup.net" [pid 1561] symlink("/dev/binderfs", "./binderfs" [pid 1560] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] openat(AT_FDCWD, "./256/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 1561] <... symlink resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1561] write(1, "executing program\n", 18 executing program [pid 1560] <... mkdirat resumed>) = 0 [pid 313] fstat(4 [pid 310] unlink("./244/cgroup.net" [pid 309] rmdir("./242" [pid 1561] <... write resumed>) = 18 [pid 1560] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1561] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 1561] <... mkdirat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1561] mount(NULL, "./config", "configfs", 0, NULL [pid 313] getdents64(4 [pid 1561] <... mount resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1560] <... mount resumed>) = 0 [pid 313] close(4 [pid 310] umount2("./244/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./243", 0777 [pid 1561] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... close resumed>) = 0 [pid 1561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1560] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rmdir("./256/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 1561] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./244/cgroup.cpu" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] umount2("./256/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1561] <... mkdirat resumed>) = 0 [pid 1560] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1561] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] newfstatat(AT_FDCWD, "./256/binderfs" [pid 310] unlink("./244/cgroup.cpu" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1561] <... symlinkat resumed>) = 0 [pid 1560] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1561] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] unlink("./256/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 1561] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1562 attached [pid 1561] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1560] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] umount2("./256/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./244/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1562] set_robust_list(0x55555bb49760, 24 [pid 1561] <... unlinkat resumed>) = 0 [pid 1560] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 245 [pid 1562] <... set_robust_list resumed>) = 0 [pid 1561] close(3 [pid 1560] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] newfstatat(AT_FDCWD, "./256/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./244/cgroup" [pid 1562] rt_sigprocmask(SIG_SETMASK, [] [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1562] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1561] close(4 [pid 1560] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] unlink("./256/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1562] chdir("./243" [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 313] <... unlink resumed>) = 0 [pid 1562] <... chdir resumed>) = 0 [pid 1561] close(5 [pid 1560] close(3 [pid 313] umount2("./256/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./244/cgroup" [pid 1562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1562] <... prctl resumed>) = 0 [pid 1561] close(6 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./256/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 1562] setpgid(0, 0 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 1562] <... setpgid resumed>) = 0 [pid 1561] close(7 [pid 313] unlink("./256/cgroup.cpu" [pid 1562] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1562] <... symlink resumed>) = 0 [pid 1561] close(8 [pid 313] umount2("./256/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1562] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(5 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 1562] <... symlink resumed>) = 0 [pid 1561] close(9 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./256/cgroup" [pid 1562] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(6 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 1562] <... symlink resumed>) = 0 [pid 1561] close(10 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./256/cgroup" [pid 310] rmdir("./244" [pid 1562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(7 [pid 313] <... unlink resumed>) = 0 [pid 1562] <... openat resumed>) = 3 [pid 1561] close(11 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 1562] write(3, "1000", 4 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(8 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1562] <... write resumed>) = 4 [pid 1561] close(12 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 310] mkdir("./245", 0777 [pid 1562] close(3 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(9 [pid 313] <... close resumed>) = 0 [pid 1562] <... close resumed>) = 0 [pid 1561] close(13 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./256" [pid 310] <... mkdir resumed>) = 0 [pid 1562] symlink("/dev/binderfs", "./binderfs" [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(10 [pid 313] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1562] <... symlink resumed>) = 0 [pid 1561] close(14 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./257", 0777 [pid 1562] write(1, "executing program\n", 18 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(11 [pid 313] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1562] <... write resumed>) = 18 executing program [pid 1561] close(15 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1562] mkdirat(AT_FDCWD, "./config", 0777 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(12 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1562] <... mkdirat resumed>) = 0 [pid 1561] close(16 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1563 attached ci2-android-5-15/strace-static-x86_64: Process 1564 attached [pid 1562] mount(NULL, "./config", "configfs", 0, NULL [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] set_robust_list(0x55555bb49760, 24 [pid 1563] set_robust_list(0x55555bb49760, 24 [pid 1562] <... mount resumed>) = 0 [pid 1561] close(17 [pid 1560] close(13 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 259 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 247 [pid 1564] <... set_robust_list resumed>) = 0 [pid 1563] <... set_robust_list resumed>) = 0 [pid 1562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1562] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1561] close(18 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1564] rt_sigprocmask(SIG_SETMASK, [] [pid 1562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(14 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1563] rt_sigprocmask(SIG_SETMASK, [] [pid 1562] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1561] close(19 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] chdir("./257" [pid 1563] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1562] <... mkdirat resumed>) = 0 [pid 1561] close(20 [pid 1560] close(15 [pid 1564] <... chdir resumed>) = 0 [pid 1562] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1563] chdir("./245" [pid 1562] <... symlinkat resumed>) = 0 [pid 1561] close(21 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] <... prctl resumed>) = 0 [pid 1563] <... chdir resumed>) = 0 [pid 1562] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(16 [pid 1564] setpgid(0, 0 [pid 1563] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1562] <... unlinkat resumed>) = 0 [pid 1561] close(22 [pid 1564] <... setpgid resumed>) = 0 [pid 1563] <... prctl resumed>) = 0 [pid 1562] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1563] setpgid(0, 0 [pid 1562] <... unlinkat resumed>) = 0 [pid 1561] close(23 [pid 1562] close(3 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(17 [pid 1564] <... symlink resumed>) = 0 [pid 1563] <... setpgid resumed>) = 0 [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1561] close(24 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1563] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1562] close(4 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1561] close(25 [pid 1560] close(18 [pid 1564] <... symlink resumed>) = 0 [pid 1563] <... symlink resumed>) = 0 [pid 1562] close(5 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1563] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1561] close(26 [pid 1564] <... symlink resumed>) = 0 [pid 1562] close(6 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(19 [pid 1563] <... symlink resumed>) = 0 [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1561] close(27 [pid 1564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1563] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1562] close(7 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] <... openat resumed>) = 3 [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1561] close(28 [pid 1564] write(3, "1000", 4 [pid 1563] <... symlink resumed>) = 0 [pid 1562] close(8 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(20 [pid 1564] <... write resumed>) = 4 [pid 1563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1561] close(29 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] close(3 [pid 1563] <... openat resumed>) = 3 [pid 1562] close(9 [pid 1561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(21 [pid 1564] <... close resumed>) = 0 [pid 1563] write(3, "1000", 4 [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1561] exit_group(0 [pid 1564] symlink("/dev/binderfs", "./binderfs" [pid 1563] <... write resumed>) = 4 [pid 1562] close(10 [pid 1561] <... exit_group resumed>) = ? [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] <... symlink resumed>) = 0 [pid 1563] close(3 [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1561] +++ exited with 0 +++ [pid 1560] close(22 [pid 1564] write(1, "executing program\n", 18 [pid 1563] <... close resumed>) = 0 [pid 1562] close(11 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1564] <... write resumed>) = 18 [pid 1563] symlink("/dev/binderfs", "./binderfs" [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(23 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1564] mkdirat(AT_FDCWD, "./config", 0777 [pid 1562] close(12 [pid 1563] <... symlink resumed>) = 0 [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] <... mkdirat resumed>) = 0 [pid 1563] write(1, "executing program\n", 18 [pid 1562] close(13 [pid 1560] close(24 [pid 1564] mount(NULL, "./config", "configfs", 0, NULL [pid 1563] <... write resumed>) = 18 [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] <... mount resumed>) = 0 [pid 1562] close(14 executing program [pid 1560] close(25 [pid 1564] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1563] mkdirat(AT_FDCWD, "./config", 0777 [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./252", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1564] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1563] <... mkdirat resumed>) = 0 [pid 1562] close(15 [pid 1560] close(26 [pid 1564] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1563] mount(NULL, "./config", "configfs", 0, NULL [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1564] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1562] close(16 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... mount resumed>) = 0 [pid 1562] close(17 [pid 312] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1564] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(27 [pid 1562] close(18 [pid 312] <... openat resumed>) = 3 [pid 1564] <... mkdirat resumed>) = 0 [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1563] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1562] close(19 [pid 1560] close(28 [pid 312] fstat(3 [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] <... symlinkat resumed>) = 0 [pid 1563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1562] close(20 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1563] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1560] close(29 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1564] <... unlinkat resumed>) = 0 [pid 1563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1562] close(21 [pid 1560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1563] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1562] close(22 [pid 1560] exit_group(0 [pid 1564] <... unlinkat resumed>) = 0 [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] close(3 [pid 1563] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1562] close(23 [pid 1560] <... exit_group resumed>) = ? [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1562] close(24 [pid 312] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1562] close(25) = -1 EBADF (Bad file descriptor) [pid 1562] close(26) = -1 EBADF (Bad file descriptor) [pid 1562] close(27) = -1 EBADF (Bad file descriptor) [pid 1562] close(28) = -1 EBADF (Bad file descriptor) [pid 1562] close(29) = -1 EBADF (Bad file descriptor) [pid 1562] exit_group(0 [pid 1560] +++ exited with 0 +++ [pid 1564] close(4 [pid 1563] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1562] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1562] +++ exited with 0 +++ [pid 312] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1564] close(5 [pid 1563] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] newfstatat(AT_FDCWD, "./252/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1564] close(6 [pid 1563] close(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1564] close(7 [pid 1563] close(4 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1564] close(8 [pid 1563] close(5 [pid 312] openat(AT_FDCWD, "./252/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] close(9 [pid 312] <... openat resumed>) = 4 [pid 1563] close(6 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1564] close(10 [pid 1563] close(7 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] close(11 [pid 1563] close(8 [pid 312] getdents64(4 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1564] close(12 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1563] close(9 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1564] close(13 [pid 1563] close(10 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./248", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1564] close(14 [pid 1563] close(11 [pid 312] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1564] close(15 [pid 1563] close(12 [pid 312] rmdir("./252/config" [pid 311] <... openat resumed>) = 3 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1564] close(16 [pid 1563] close(13 [pid 312] umount2("./252/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1564] close(17 [pid 1563] close(14 [pid 311] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./252/binderfs" [pid 311] <... umount2 resumed>) = 0 [pid 1564] close(18 [pid 1563] close(15 [pid 311] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./252/binderfs" [pid 311] newfstatat(AT_FDCWD, "./248/config" [pid 1564] close(19 [pid 1563] close(16 [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./252/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./243", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1564] close(20 [pid 1563] close(17 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./252/cgroup.net" [pid 311] openat(AT_FDCWD, "./248/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1564] close(21 [pid 1563] close(18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./252/cgroup.net" [pid 311] fstat(4 [pid 1564] close(22 [pid 1563] close(19 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 312] <... unlink resumed>) = 0 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./252/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 309] fstat(3 [pid 1564] close(23 [pid 1563] close(20 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1564] close(24 [pid 1563] close(21 [pid 312] newfstatat(AT_FDCWD, "./252/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] close(4 [pid 309] getdents64(3 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 1564] close(25 [pid 1563] close(22 [pid 311] rmdir("./248/config" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./252/cgroup.cpu" [pid 311] <... rmdir resumed>) = 0 [pid 1564] close(26 [pid 1563] close(23 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./248/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./248/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./248/binderfs" [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./252/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1564] close(27 [pid 1563] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./248/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./252/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1564] close(28 [pid 1563] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./248/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./252/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./243/config" [pid 1564] close(29 [pid 1563] close(26 [pid 312] <... unlink resumed>) = 0 [pid 311] unlink("./248/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./243/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./248/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1564] exit_group(0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1564] <... exit_group resumed>) = ? [pid 1563] close(27 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./248/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./248/cgroup.cpu") = 0 [pid 311] umount2("./248/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./248/cgroup" [pid 1564] +++ exited with 0 +++ [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] close(3 [pid 311] unlink("./248/cgroup" [pid 309] openat(AT_FDCWD, "./243/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1563] close(28 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] rmdir("./252" [pid 311] getdents64(3 [pid 309] <... openat resumed>) = 4 [pid 1563] close(29 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] close(3 [pid 309] fstat(4 [pid 1563] exit_group(0 [pid 313] umount2("./257", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] mkdir("./253", 0777 [pid 311] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1563] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./248" [pid 313] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... mkdir resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] mkdir("./249", 0777 [pid 313] fstat(3 [pid 311] <... mkdir resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1563] +++ exited with 0 +++ [pid 313] getdents64(3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(4 [pid 313] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1565 attached [pid 313] <... umount2 resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 251 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 ci2-android-5-15/strace-static-x86_64: Process 1566 attached [pid 1565] set_robust_list(0x55555bb49760, 24 [pid 313] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1566] set_robust_list(0x55555bb49760, 24 [pid 1565] <... set_robust_list resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 255 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 1566] <... set_robust_list resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./257/config" [pid 1566] rt_sigprocmask(SIG_SETMASK, [] [pid 1565] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1566] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1565] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1566] chdir("./253" [pid 1565] chdir("./249" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(4 [pid 1566] <... chdir resumed>) = 0 [pid 1565] <... chdir resumed>) = 0 [pid 313] openat(AT_FDCWD, "./257/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... openat resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 1565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1566] <... prctl resumed>) = 0 [pid 313] fstat(4 [pid 309] rmdir("./243/config" [pid 1565] <... prctl resumed>) = 0 [pid 1566] setpgid(0, 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1566] <... setpgid resumed>) = 0 [pid 313] getdents64(4 [pid 1566] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1565] setpgid(0, 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... rmdir resumed>) = 0 [pid 1566] <... symlink resumed>) = 0 [pid 313] getdents64(4 [pid 1566] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1565] <... setpgid resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./243/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1566] <... symlink resumed>) = 0 [pid 1565] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] close(4 [pid 1566] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1566] <... symlink resumed>) = 0 [pid 1565] <... symlink resumed>) = 0 [pid 313] rmdir("./257/config" [pid 309] newfstatat(AT_FDCWD, "./243/binderfs" [pid 1566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1565] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] <... rmdir resumed>) = 0 [pid 1566] <... openat resumed>) = 3 [pid 313] umount2("./257/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1566] write(3, "1000", 4 [pid 1565] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./243/binderfs" [pid 1566] <... write resumed>) = 4 [pid 1565] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] newfstatat(AT_FDCWD, "./257/binderfs" [pid 1566] close(3 [pid 1565] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1566] <... close resumed>) = 0 [pid 1565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] unlink("./257/binderfs" [pid 309] umount2("./243/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1566] symlink("/dev/binderfs", "./binderfs" [pid 313] <... unlink resumed>) = 0 [pid 1566] <... symlink resumed>) = 0 [pid 1565] <... openat resumed>) = 3 [pid 313] umount2("./257/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1566] write(1, "executing program\n", 18 [pid 1565] write(3, "1000", 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1566] <... write resumed>) = 18 executing program [pid 1565] <... write resumed>) = 4 [pid 313] newfstatat(AT_FDCWD, "./257/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./243/cgroup.net" [pid 1566] mkdirat(AT_FDCWD, "./config", 0777 [pid 1565] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1566] <... mkdirat resumed>) = 0 [pid 1565] <... close resumed>) = 0 [pid 313] unlink("./257/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1566] mount(NULL, "./config", "configfs", 0, NULL [pid 1565] symlink("/dev/binderfs", "./binderfs" [pid 313] <... unlink resumed>) = 0 [pid 309] unlink("./243/cgroup.net" [pid 1566] <... mount resumed>) = 0 [pid 313] umount2("./257/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1565] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./257/cgroup.cpu" [pid 309] <... unlink resumed>) = 0 [pid 1566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1565] write(1, "executing program\n", 18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./243/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1565] <... write resumed>) = 18 executing program [pid 313] unlink("./257/cgroup.cpu" [pid 1566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1565] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1566] <... mkdirat resumed>) = 0 [pid 313] umount2("./257/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1566] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1565] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./243/cgroup.cpu" [pid 1566] <... symlinkat resumed>) = 0 [pid 1565] mount(NULL, "./config", "configfs", 0, NULL [pid 313] newfstatat(AT_FDCWD, "./257/cgroup" [pid 1566] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1565] <... mount resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1566] <... unlinkat resumed>) = 0 [pid 1565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] unlink("./257/cgroup" [pid 1566] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... unlink resumed>) = 0 [pid 309] unlink("./243/cgroup.cpu" [pid 1566] <... unlinkat resumed>) = 0 [pid 313] getdents64(3 [pid 1566] close(3 [pid 1565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] close(3 [pid 309] <... unlink resumed>) = 0 [pid 1566] close(4 [pid 1565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... close resumed>) = 0 [pid 310] umount2("./245", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./243/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./257" [pid 1566] close(5 [pid 313] <... rmdir resumed>) = 0 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] <... mkdirat resumed>) = 0 [pid 313] mkdir("./258", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1566] close(6 [pid 1565] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./243/cgroup" [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1566] close(7 [pid 1565] <... symlinkat resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(3 [pid 309] unlink("./243/cgroup"ci2-android-5-15/strace-static-x86_64: Process 1567 attached [pid 1566] close(8 [pid 1565] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1567] set_robust_list(0x55555bb49760, 24 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 260 [pid 309] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 1567] <... set_robust_list resumed>) = 0 [pid 1566] close(9 [pid 1565] <... unlinkat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1567] rt_sigprocmask(SIG_SETMASK, [] [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] close(3 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] getdents64(3 [pid 1567] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1566] close(10 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1567] chdir("./258" [pid 1566] close(11 [pid 1565] close(4 [pid 1567] <... chdir resumed>) = 0 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1566] close(12 [pid 1565] close(5 [pid 310] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1567] <... prctl resumed>) = 0 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1566] close(13) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1567] setpgid(0, 0 [pid 1566] close(14 [pid 1565] close(6 [pid 1567] <... setpgid resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./245/config" [pid 309] rmdir("./243" [pid 1567] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1566] close(15 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] close(7 [pid 309] <... rmdir resumed>) = 0 [pid 1567] <... symlink resumed>) = 0 [pid 1566] close(16 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./244", 0777 [pid 1567] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] close(8 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1567] <... symlink resumed>) = 0 [pid 1566] close(17 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./245/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... mkdir resumed>) = 0 [pid 1567] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] close(9 [pid 1566] close(18 [pid 310] <... openat resumed>) = 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1567] <... symlink resumed>) = 0 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1566] close(19 [pid 1565] close(10 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... openat resumed>) = 3 [pid 1566] close(20 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1566] close(21) = -1 EBADF (Bad file descriptor) [pid 1566] close(22) = -1 EBADF (Bad file descriptor) [pid 1566] close(23) = -1 EBADF (Bad file descriptor) [pid 1566] close(24) = -1 EBADF (Bad file descriptor) [pid 1566] close(25ci2-android-5-15/strace-static-x86_64: Process 1568 attached [pid 1567] write(3, "1000", 4 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] close(11 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1568] set_robust_list(0x55555bb49760, 24 [pid 1567] <... write resumed>) = 4 [pid 1566] close(26 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 246 [pid 1568] <... set_robust_list resumed>) = 0 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1568] rt_sigprocmask(SIG_SETMASK, [] [pid 1567] close(3 [pid 1566] close(27 [pid 1565] close(12 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1568] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1567] <... close resumed>) = 0 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1568] chdir("./244" [pid 1567] symlink("/dev/binderfs", "./binderfs" [pid 1566] close(28 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1568] <... chdir resumed>) = 0 [pid 1567] <... symlink resumed>) = 0 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] close(13 [pid 1568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1567] write(1, "executing program\n", 18 [pid 1566] close(29 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1568] <... prctl resumed>) = 0 [pid 1567] <... write resumed>) = 18 [pid 1566] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1565] close(14 [pid 310] rmdir("./245/config" [pid 1568] setpgid(0, 0 [pid 1567] mkdirat(AT_FDCWD, "./config", 0777 [pid 1566] exit_group(0 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1568] <... setpgid resumed>) = 0 [pid 1567] <... mkdirat resumed>) = 0 [pid 1566] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 1565] close(15 [pid 1568] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1567] mount(NULL, "./config", "configfs", 0, NULL [pid 1566] +++ exited with 0 +++ [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./245/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1568] <... symlink resumed>) = 0 [pid 1568] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 1567] <... mount resumed>) = 0 [pid 1565] close(16 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1568] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./245/binderfs" [pid 1568] <... symlink resumed>) = 0 [pid 1567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1565] close(17 [pid 1568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1568] <... openat resumed>) = 3 [pid 1567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1565] close(18 [pid 310] unlink("./245/binderfs" [pid 1568] write(3, "1000", 4 [pid 1567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1568] <... write resumed>) = 4 [pid 310] <... unlink resumed>) = 0 [pid 1568] close(3) = 0 [pid 1568] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1567] <... mkdirat resumed>) = 0 [pid 1565] close(19 [pid 310] umount2("./245/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1568] write(1, "executing program\n", 18 executing program [pid 1567] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1568] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1568] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1567] <... symlinkat resumed>) = 0 [pid 1565] close(20 [pid 310] newfstatat(AT_FDCWD, "./245/cgroup.net" [pid 1568] mount(NULL, "./config", "configfs", 0, NULL [pid 1567] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1568] <... mount resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1567] <... unlinkat resumed>) = 0 [pid 1565] close(21 [pid 310] unlink("./245/cgroup.net" [pid 1568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1567] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 1568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1567] <... unlinkat resumed>) = 0 [pid 1568] <... mkdirat resumed>) = 0 [pid 1565] close(22 [pid 1567] close(3 [pid 310] umount2("./245/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1568] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1568] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1568] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1567] close(4 [pid 1565] close(23 [pid 310] newfstatat(AT_FDCWD, "./245/cgroup.cpu" [pid 1568] close(3 [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] close(5 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1565] close(24 [pid 1568] close(4 [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./253", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./245/cgroup.cpu" [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] close(6 [pid 1565] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1568] close(5 [pid 310] <... unlink resumed>) = 0 [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] close(7 [pid 312] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./245/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1568] close(6 [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] close(26 [pid 312] <... openat resumed>) = 3 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] close(8 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1568] close(7 [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] close(27 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./245/cgroup" [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1568] close(8 [pid 1567] close(9 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] close(28 [pid 1568] close(9 [pid 1567] close(10 [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] unlink("./245/cgroup" [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] close(29 [pid 312] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1568] close(10 [pid 310] <... unlink resumed>) = 0 [pid 1567] close(11 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 310] getdents64(3 [pid 1568] close(11 [pid 1567] close(12 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1565] exit_group(0 [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1568] close(12 [pid 1567] close(13 [pid 1565] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./253/config" [pid 310] <... close resumed>) = 0 [pid 1565] +++ exited with 0 +++ [pid 1568] close(13 [pid 1567] close(14 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./245" [pid 1568] close(14 [pid 1567] close(15 [pid 312] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1568] close(15 [pid 1567] close(16 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./246", 0777 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./253/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1568] close(16 [pid 1567] close(17 [pid 310] <... mkdir resumed>) = 0 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1568] close(17 [pid 1567] close(18 [pid 312] fstat(4 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1568] close(18 [pid 1567] close(19 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1568] close(19 [pid 1567] close(20 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 ci2-android-5-15/strace-static-x86_64: Process 1569 attached [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1569] set_robust_list(0x55555bb49760, 24 [pid 1568] close(20 [pid 1567] close(21 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 248 [pid 1569] <... set_robust_list resumed>) = 0 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1569] rt_sigprocmask(SIG_SETMASK, [] [pid 1568] close(21 [pid 1567] close(22 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1569] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1569] chdir("./246" [pid 1568] close(22 [pid 1567] close(23 [pid 312] rmdir("./253/config" [pid 1569] <... chdir resumed>) = 0 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1568] close(23 [pid 1567] close(24 [pid 312] <... rmdir resumed>) = 0 [pid 1569] <... prctl resumed>) = 0 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./253/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1569] setpgid(0, 0) = 0 [pid 1568] close(24 [pid 1569] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1567] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1569] <... symlink resumed>) = 0 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1569] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1568] close(25 [pid 312] newfstatat(AT_FDCWD, "./253/binderfs" [pid 1569] <... symlink resumed>) = 0 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] close(26 [pid 1569] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1568] close(26 [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1569] <... symlink resumed>) = 0 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1567] close(27 [pid 312] unlink("./253/binderfs" [pid 1569] <... openat resumed>) = 3 [pid 1568] close(27 [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1569] write(3, "1000", 4 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1569] <... write resumed>) = 4 [pid 1568] close(28 [pid 1567] close(28 [pid 312] umount2("./253/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... restart_syscall resumed>) = 0 [pid 1569] close(3 [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1569] <... close resumed>) = 0 [pid 1568] close(29 [pid 1567] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1569] symlink("/dev/binderfs", "./binderfs" [pid 1568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./253/cgroup.net" [pid 311] umount2("./249", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1569] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1569] write(1, "executing program\n", 18 [pid 311] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1569] <... write resumed>) = 18 executing program [pid 1568] exit_group(0 [pid 1567] exit_group(0 [pid 311] <... openat resumed>) = 3 [pid 1569] mkdirat(AT_FDCWD, "./config", 0777 [pid 1568] <... exit_group resumed>) = ? [pid 1567] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 1569] <... mkdirat resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1569] mount(NULL, "./config", "configfs", 0, NULL [pid 311] getdents64(3 [pid 1569] <... mount resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1569] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1569] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1568] +++ exited with 0 +++ [pid 311] <... umount2 resumed>) = 0 [pid 1569] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1569] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1569] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] newfstatat(AT_FDCWD, "./249/config" [pid 1569] <... mkdirat resumed>) = 0 [pid 1567] +++ exited with 0 +++ [pid 312] unlink("./253/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1569] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1569] <... symlinkat resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] umount2("./253/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1569] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./249/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1569] <... unlinkat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./253/cgroup.cpu" [pid 311] <... openat resumed>) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 1569] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(4 [pid 1569] <... unlinkat resumed>) = 0 [pid 312] unlink("./253/cgroup.cpu" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1569] close(3 [pid 311] getdents64(4 [pid 309] umount2("./244", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1569] close(4 [pid 312] umount2("./253/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 309] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 3 [pid 1569] close(5 [pid 312] newfstatat(AT_FDCWD, "./253/cgroup" [pid 311] close(4 [pid 309] fstat(3 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1569] close(6 [pid 312] unlink("./253/cgroup" [pid 311] rmdir("./249/config" [pid 309] getdents64(3 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1569] close(7 [pid 312] getdents64(3 [pid 311] umount2("./249/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 1569] close(8 [pid 312] close(3 [pid 311] newfstatat(AT_FDCWD, "./249/binderfs" [pid 309] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1569] close(9 [pid 312] rmdir("./253" [pid 311] unlink("./249/binderfs" [pid 309] newfstatat(AT_FDCWD, "./244/config" [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1569] close(10 [pid 312] mkdir("./254", 0777 [pid 311] umount2("./249/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./244/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1569] close(11 [pid 312] <... mkdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./249/cgroup.net" [pid 309] openat(AT_FDCWD, "./244/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 1569] close(12 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] unlink("./249/cgroup.net" [pid 309] fstat(4 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1569] close(13 [pid 311] umount2("./249/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1569] close(14 [pid 311] newfstatat(AT_FDCWD, "./249/cgroup.cpu" [pid 309] getdents64(4ci2-android-5-15/strace-static-x86_64: Process 1570 attached [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1570] set_robust_list(0x55555bb49760, 24 [pid 1569] close(15 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 256 [pid 311] unlink("./249/cgroup.cpu" [pid 309] close(4 [pid 1570] <... set_robust_list resumed>) = 0 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1570] rt_sigprocmask(SIG_SETMASK, [] [pid 1569] close(16 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] umount2("./249/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./244/config" [pid 1570] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1570] chdir("./254" [pid 1569] close(17 [pid 311] newfstatat(AT_FDCWD, "./249/cgroup" [pid 309] umount2("./244/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1570] <... chdir resumed>) = 0 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1569] close(18 [pid 311] unlink("./249/cgroup" [pid 309] newfstatat(AT_FDCWD, "./244/binderfs" [pid 1570] <... prctl resumed>) = 0 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1570] setpgid(0, 0 [pid 1569] close(19 [pid 313] umount2("./258", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 309] unlink("./244/binderfs" [pid 1570] <... setpgid resumed>) = 0 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1570] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1569] close(20 [pid 313] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] close(3 [pid 309] umount2("./244/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1570] <... symlink resumed>) = 0 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1570] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1569] close(21 [pid 313] fstat(3 [pid 311] rmdir("./249" [pid 309] newfstatat(AT_FDCWD, "./244/cgroup.net" [pid 1570] <... symlink resumed>) = 0 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1570] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1569] close(22 [pid 313] getdents64(3 [pid 311] mkdir("./250", 0777 [pid 309] unlink("./244/cgroup.net" [pid 1570] <... symlink resumed>) = 0 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1569] close(23 [pid 313] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./244/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1570] <... openat resumed>) = 3 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1570] write(3, "1000", 4 [pid 1569] close(24 [pid 313] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./244/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1571 attached [pid 1570] <... write resumed>) = 4 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1571] set_robust_list(0x55555bb49760, 24 [pid 1570] close(3 [pid 1569] close(25 [pid 313] newfstatat(AT_FDCWD, "./258/config" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 252 [pid 309] unlink("./244/cgroup.cpu" [pid 1571] <... set_robust_list resumed>) = 0 [pid 1570] <... close resumed>) = 0 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 1571] rt_sigprocmask(SIG_SETMASK, [] [pid 1570] symlink("/dev/binderfs", "./binderfs" [pid 1569] close(26 [pid 313] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./244/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1570] <... symlink resumed>) = 0 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1571] chdir("./250" [pid 1570] write(1, "executing program\n", 18 executing program [pid 1569] close(27 [pid 313] openat(AT_FDCWD, "./258/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./244/cgroup" [pid 1571] <... chdir resumed>) = 0 [pid 1570] <... write resumed>) = 18 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1570] mkdirat(AT_FDCWD, "./config", 0777 [pid 1569] close(28 [pid 313] fstat(4 [pid 309] unlink("./244/cgroup" [pid 1571] <... prctl resumed>) = 0 [pid 1570] <... mkdirat resumed>) = 0 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1571] setpgid(0, 0 [pid 1570] mount(NULL, "./config", "configfs", 0, NULL [pid 1569] close(29 [pid 313] getdents64(4 [pid 309] getdents64(3 [pid 1571] <... setpgid resumed>) = 0 [pid 1570] <... mount resumed>) = 0 [pid 1569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1571] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1570] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1569] exit_group(0 [pid 313] getdents64(4 [pid 309] close(3 [pid 1570] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1569] <... exit_group resumed>) = ? [pid 309] <... close resumed>) = 0 [pid 1571] <... symlink resumed>) = 0 [pid 1570] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1569] +++ exited with 0 +++ [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./244" [pid 1571] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1570] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] close(4 [pid 309] <... rmdir resumed>) = 0 [pid 1571] <... symlink resumed>) = 0 [pid 1570] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] mkdir("./245", 0777 [pid 1571] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1570] <... mkdirat resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... mkdir resumed>) = 0 [pid 1571] <... symlink resumed>) = 0 [pid 1570] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] rmdir("./258/config" [pid 310] umount2("./246", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1570] <... symlinkat resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1571] <... openat resumed>) = 3 [pid 1570] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1572 attached [pid 1571] write(3, "1000", 4 [pid 1570] <... unlinkat resumed>) = 0 [pid 313] umount2("./258/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1571] <... write resumed>) = 4 [pid 1570] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 247 [pid 310] <... openat resumed>) = 3 [pid 1572] set_robust_list(0x55555bb49760, 24 [pid 1571] close(3 [pid 1570] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./258/binderfs" [pid 310] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1572] <... set_robust_list resumed>) = 0 [pid 1571] <... close resumed>) = 0 [pid 1570] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1572] rt_sigprocmask(SIG_SETMASK, [] [pid 1571] symlink("/dev/binderfs", "./binderfs" [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./258/binderfs" [pid 310] getdents64(3 [pid 1572] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1571] <... symlink resumed>) = 0 [pid 1570] close(4) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1572] chdir("./245" [pid 1571] write(1, "executing program\n", 18 [pid 1570] close(5 [pid 313] umount2("./258/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1572] <... chdir resumed>) = 0 [pid 1571] <... write resumed>) = 18 executing program [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1571] mkdirat(AT_FDCWD, "./config", 0777 [pid 1570] close(6 [pid 313] newfstatat(AT_FDCWD, "./258/cgroup.net" [pid 310] <... umount2 resumed>) = 0 [pid 1572] <... prctl resumed>) = 0 [pid 1571] <... mkdirat resumed>) = 0 [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1572] setpgid(0, 0 [pid 1571] mount(NULL, "./config", "configfs", 0, NULL [pid 1570] close(7 [pid 313] unlink("./258/cgroup.net" [pid 1572] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1571] <... mount resumed>) = 0 [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1572] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1571] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1570] close(8 [pid 313] umount2("./258/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./246/config" [pid 1572] <... symlink resumed>) = 0 [pid 1571] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1572] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1571] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1570] close(9 [pid 313] newfstatat(AT_FDCWD, "./258/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1572] <... symlink resumed>) = 0 [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1570] close(10 [pid 310] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1572] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1571] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./258/cgroup.cpu" [pid 1572] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1570] close(11) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1571] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] openat(AT_FDCWD, "./246/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1570] close(12 [pid 313] umount2("./258/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1571] <... mkdirat resumed>) = 0 [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1571] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1570] close(13 [pid 310] fstat(4 [pid 313] newfstatat(AT_FDCWD, "./258/cgroup" [pid 1572] <... openat resumed>) = 3 [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1571] <... symlinkat resumed>) = 0 [pid 1570] close(14 [pid 313] unlink("./258/cgroup" [pid 1572] write(3, "1000", 4 [pid 1571] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1572] <... write resumed>) = 4 [pid 313] <... unlink resumed>) = 0 [pid 1572] close(3 [pid 1571] <... unlinkat resumed>) = 0 [pid 1570] close(15 [pid 313] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1572] <... close resumed>) = 0 [pid 1571] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 1572] symlink("/dev/binderfs", "./binderfs" [pid 1570] close(16 [pid 313] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1571] <... unlinkat resumed>) = 0 [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] close(4 [pid 1572] <... symlink resumed>) = 0 [pid 1570] close(17 [pid 1572] write(1, "executing program\n", 18 [pid 1571] close(3 [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./258" [pid 310] <... close resumed>) = 0 [pid 1572] <... write resumed>) = 18 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1570] close(18 [pid 1571] close(4 [pid 313] <... rmdir resumed>) = 0 [pid 310] rmdir("./246/config" [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] mkdirat(AT_FDCWD, "./config", 0777 [pid 1571] close(5 [pid 1570] close(19 [pid 313] mkdir("./259", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 1572] <... mkdirat resumed>) = 0 [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1570] close(20 executing program [pid 1572] mount(NULL, "./config", "configfs", 0, NULL [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./246/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1572] <... mount resumed>) = 0 [pid 1570] close(21 [pid 1571] close(6 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1572] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1571] close(7 [pid 1570] close(22ci2-android-5-15/strace-static-x86_64: Process 1573 attached [pid 1572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./246/binderfs" [pid 1573] set_robust_list(0x55555bb49760, 24 [pid 1572] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1573] <... set_robust_list resumed>) = 0 [pid 1572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1571] close(8 [pid 1570] close(23 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 261 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1573] chdir("./259" [pid 1572] <... mkdirat resumed>) = 0 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] unlink("./246/binderfs" [pid 1573] <... chdir resumed>) = 0 [pid 1572] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1571] close(9 [pid 1570] close(24 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... unlink resumed>) = 0 [pid 1573] <... prctl resumed>) = 0 [pid 1572] <... symlinkat resumed>) = 0 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./246/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1573] setpgid(0, 0 [pid 1572] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1571] close(10 [pid 1570] close(25 [pid 1573] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1573] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1572] <... unlinkat resumed>) = 0 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1573] <... symlink resumed>) = 0 [pid 1572] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1571] close(11 [pid 1570] close(26 [pid 310] newfstatat(AT_FDCWD, "./246/cgroup.net" [pid 1573] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 1573] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 1572] <... unlinkat resumed>) = 0 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1572] close(3 [pid 1571] close(12 [pid 1570] close(27 [pid 310] unlink("./246/cgroup.net" [pid 1573] <... openat resumed>) = 3 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1573] write(3, "1000", 4 [pid 1572] close(4 [pid 1571] close(13 [pid 1570] close(28 [pid 310] <... unlink resumed>) = 0 [pid 1573] <... write resumed>) = 4 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./246/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1573] close(3) = 0 [pid 1572] close(5 [pid 1571] close(14 [pid 1570] close(29 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1573] symlink("/dev/binderfs", "./binderfs" [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./246/cgroup.cpu" [pid 1573] <... symlink resumed>) = 0 [pid 1572] close(6 [pid 1571] close(15 [pid 1573] write(1, "executing program\n", 18) = 18 executing program [pid 1573] mkdirat(AT_FDCWD, "./config", 0777 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1570] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1573] <... mkdirat resumed>) = 0 [pid 1572] close(7 [pid 1571] close(16 [pid 1570] <... exit_group resumed>) = ? [pid 1573] mount(NULL, "./config", "configfs", 0, NULL [pid 310] unlink("./246/cgroup.cpu" [pid 1573] <... mount resumed>) = 0 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1570] +++ exited with 0 +++ [pid 1573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1572] close(8 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1571] close(17 [pid 1573] <... mkdirat resumed>) = 0 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1573] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1572] close(9 [pid 1571] close(18 [pid 310] umount2("./246/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1573] <... symlinkat resumed>) = 0 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1573] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1573] <... unlinkat resumed>) = 0 [pid 1572] close(10 [pid 1571] close(19 [pid 1573] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./246/cgroup" [pid 1573] close(3 [pid 1572] close(11 [pid 1571] close(20 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1573] close(4) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1573] close(5 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./246/cgroup" [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] close(12 [pid 1571] close(21 [pid 1573] close(6 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] close(13 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1573] close(7 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] close(22 [pid 310] getdents64(3 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] close(14 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1573] close(8 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1573] close(9 [pid 1571] close(23 [pid 310] close(3 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] close(15 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1573] close(10 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] close(16 [pid 1571] close(24 [pid 310] rmdir("./246" [pid 1573] close(11 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] close(17 [pid 1571] close(25 [pid 310] <... rmdir resumed>) = 0 [pid 1573] close(12 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] close(18 [pid 310] mkdir("./247", 0777 [pid 1573] close(13 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] close(26 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1573] close(14 [pid 1572] close(19 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] close(27 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1573] close(15 [pid 1572] close(20 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] close(28 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1573] close(16 [pid 1572] close(21 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] close(29 [pid 1573] close(17) = -1 EBADF (Bad file descriptor) [pid 1573] close(18) = -1 EBADF (Bad file descriptor) [pid 1573] close(19) = -1 EBADF (Bad file descriptor) [pid 1573] close(20ci2-android-5-15/strace-static-x86_64: Process 1574 attached ) = -1 EBADF (Bad file descriptor) [pid 1572] close(22 [pid 1571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1574] set_robust_list(0x55555bb49760, 24 [pid 1573] close(21 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1574] <... set_robust_list resumed>) = 0 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] close(23 [pid 1571] exit_group(0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 249 [pid 1574] rt_sigprocmask(SIG_SETMASK, [] [pid 1573] close(22 [pid 1574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1574] chdir("./247" [pid 1573] close(23 [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] <... exit_group resumed>) = ? [pid 1574] <... chdir resumed>) = 0 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1573] close(24 [pid 1574] <... prctl resumed>) = 0 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] close(24 [pid 1574] setpgid(0, 0 [pid 1573] close(25 [pid 1574] <... setpgid resumed>) = 0 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1574] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1573] close(26 [pid 1574] <... symlink resumed>) = 0 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1571] +++ exited with 0 +++ [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1574] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1573] close(27 [pid 1572] close(25 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1574] <... symlink resumed>) = 0 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1574] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1573] close(28 [pid 1572] close(26 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1574] <... symlink resumed>) = 0 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1573] close(29 [pid 1574] <... openat resumed>) = 3 [pid 1573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1572] close(27 [pid 1574] write(3, "1000", 4 [pid 1573] exit_group(0 [pid 1574] <... write resumed>) = 4 [pid 1573] <... exit_group resumed>) = ? [pid 1574] close(3 [pid 1573] +++ exited with 0 +++ [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1574] <... close resumed>) = 0 [pid 1572] close(28 [pid 1574] symlink("/dev/binderfs", "./binderfs" [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1574] <... symlink resumed>) = 0 [pid 1572] close(29 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1574] write(1, "executing program\n", 18) = 18 executing program [pid 1572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1574] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1572] exit_group(0 [pid 1574] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1572] <... exit_group resumed>) = ? [pid 1574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1574] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1572] +++ exited with 0 +++ [pid 1574] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1574] <... unlinkat resumed>) = 0 [pid 1574] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1574] close(3) = -1 EBADF (Bad file descriptor) [pid 1574] close(4) = -1 EBADF (Bad file descriptor) [pid 1574] close(5) = -1 EBADF (Bad file descriptor) [pid 1574] close(6) = -1 EBADF (Bad file descriptor) [pid 1574] close(7) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./254", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1574] close(8) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1574] close(9) = -1 EBADF (Bad file descriptor) [pid 1574] close(10 [pid 312] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1574] close(11 [pid 312] <... openat resumed>) = 3 [pid 1574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1574] close(12) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1574] close(13) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1574] close(14) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1574] close(15) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1574] close(16) = -1 EBADF (Bad file descriptor) [pid 1574] close(17) = -1 EBADF (Bad file descriptor) [pid 1574] close(18) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1574] close(19) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1574] close(20) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1574] close(21) = -1 EBADF (Bad file descriptor) [pid 1574] close(22) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./254/config" [pid 1574] close(23) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1574] close(24) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1574] close(25) = -1 EBADF (Bad file descriptor) [pid 1574] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1574] close(27 [pid 312] openat(AT_FDCWD, "./254/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1574] close(28) = -1 EBADF (Bad file descriptor) [pid 1574] close(29) = -1 EBADF (Bad file descriptor) [pid 1574] exit_group(0 [pid 312] <... openat resumed>) = 4 [pid 1574] <... exit_group resumed>) = ? [pid 1574] +++ exited with 0 +++ [pid 312] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] getdents64(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... restart_syscall resumed>) = 0 [pid 312] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4 [pid 311] umount2("./250", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./254/config" [pid 311] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 312] umount2("./254/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./254/binderfs" [pid 311] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 312] unlink("./254/binderfs" [pid 311] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./250/config" [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./254/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./254/cgroup.net" [pid 311] openat(AT_FDCWD, "./250/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 312] unlink("./254/cgroup.net" [pid 311] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 312] umount2("./254/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 312] newfstatat(AT_FDCWD, "./254/cgroup.cpu" [pid 311] <... close resumed>) = 0 [pid 311] rmdir("./250/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 312] unlink("./254/cgroup.cpu" [pid 311] umount2("./250/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./250/binderfs" [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 312] umount2("./254/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./250/binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./254/cgroup" [pid 311] umount2("./250/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./259", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./250/cgroup.net" [pid 310] umount2("./247", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] unlink("./254/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] unlink("./250/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] fstat(3 [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3 [pid 311] umount2("./250/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] close(3 [pid 311] newfstatat(AT_FDCWD, "./250/cgroup.cpu" [pid 313] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 313] <... umount2 resumed>) = 0 [pid 312] rmdir("./254" [pid 311] unlink("./250/cgroup.cpu" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./255", 0777 [pid 311] umount2("./250/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 313] newfstatat(AT_FDCWD, "./259/config" [pid 312] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] newfstatat(AT_FDCWD, "./250/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] unlink("./250/cgroup" [pid 310] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] openat(AT_FDCWD, "./259/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... unlink resumed>) = 0 [pid 311] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] close(3) = 0 ci2-android-5-15/strace-static-x86_64: Process 1575 attached [pid 313] <... openat resumed>) = 4 [pid 311] rmdir("./250" [pid 310] <... umount2 resumed>) = 0 [pid 1575] set_robust_list(0x55555bb49760, 24 [pid 313] fstat(4 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 257 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1575] <... set_robust_list resumed>) = 0 [pid 311] mkdir("./251", 0777 [pid 309] umount2("./245", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1575] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1575] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] getdents64(4 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./247/config" [pid 309] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1575] chdir("./255" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 1575] <... chdir resumed>) = 0 [pid 313] getdents64(4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3ci2-android-5-15/strace-static-x86_64: Process 1576 attached [pid 1575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1576] set_robust_list(0x55555bb49760, 24 [pid 1575] <... prctl resumed>) = 0 [pid 313] close(4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 253 [pid 310] openat(AT_FDCWD, "./247/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 1576] <... set_robust_list resumed>) = 0 [pid 1575] setpgid(0, 0 [pid 313] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1576] rt_sigprocmask(SIG_SETMASK, [] [pid 1575] <... setpgid resumed>) = 0 [pid 313] rmdir("./259/config" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(4 [pid 309] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1576] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1575] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1576] chdir("./251" [pid 1575] <... symlink resumed>) = 0 [pid 313] umount2("./259/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1575] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1576] <... chdir resumed>) = 0 [pid 1575] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./245/config" [pid 1576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1575] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] newfstatat(AT_FDCWD, "./259/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1576] <... prctl resumed>) = 0 [pid 1575] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] umount2("./245/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1576] setpgid(0, 0 [pid 1575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] unlink("./259/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1576] <... setpgid resumed>) = 0 [pid 1575] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./245/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1576] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1575] write(3, "1000", 4 [pid 313] <... unlink resumed>) = 0 [pid 310] close(4 [pid 309] <... openat resumed>) = 4 [pid 1576] <... symlink resumed>) = 0 [pid 1575] <... write resumed>) = 4 [pid 313] umount2("./259/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] fstat(4 [pid 1576] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1575] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1576] <... symlink resumed>) = 0 [pid 1575] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./247/config" [pid 309] getdents64(4 [pid 1576] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1575] symlink("/dev/binderfs", "./binderfs" [pid 313] newfstatat(AT_FDCWD, "./259/cgroup.net" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1576] <... symlink resumed>) = 0 [pid 1575] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./247/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1575] write(1, "executing program\n", 18 [pid 313] unlink("./259/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1576] <... openat resumed>) = 3 [pid 1575] <... write resumed>) = 18 executing program [pid 309] close(4 [pid 1576] write(3, "1000", 4 [pid 1575] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./247/binderfs" [pid 309] <... close resumed>) = 0 [pid 1576] <... write resumed>) = 4 [pid 1575] <... mkdirat resumed>) = 0 [pid 313] umount2("./259/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./245/config" [pid 1576] close(3 [pid 1575] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./247/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 1576] <... close resumed>) = 0 [pid 1575] <... mount resumed>) = 0 [pid 309] umount2("./245/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1576] symlink("/dev/binderfs", "./binderfs" [pid 1575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] newfstatat(AT_FDCWD, "./259/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1576] <... symlink resumed>) = 0 [pid 1575] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./247/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./245/binderfs" [pid 1576] write(1, "executing program\n", 18 executing program [pid 1575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] unlink("./259/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1576] <... write resumed>) = 18 [pid 1575] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./245/binderfs" [pid 1576] mkdirat(AT_FDCWD, "./config", 0777 [pid 1575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./247/cgroup.net" [pid 309] <... unlink resumed>) = 0 [pid 1576] <... mkdirat resumed>) = 0 [pid 1575] <... mkdirat resumed>) = 0 [pid 313] umount2("./259/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./245/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1576] mount(NULL, "./config", "configfs", 0, NULL [pid 1575] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./247/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1576] <... mount resumed>) = 0 [pid 1575] <... symlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./245/cgroup.net" [pid 1576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1575] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] newfstatat(AT_FDCWD, "./259/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1575] <... unlinkat resumed>) = 0 [pid 309] unlink("./245/cgroup.net" [pid 1576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1575] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./247/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1575] <... unlinkat resumed>) = 0 [pid 313] unlink("./259/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./245/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1575] close(3 [pid 313] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./247/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./245/cgroup.cpu" [pid 1576] <... mkdirat resumed>) = 0 [pid 1575] close(4 [pid 313] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1576] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] unlink("./247/cgroup.cpu" [pid 309] unlink("./245/cgroup.cpu" [pid 1576] <... symlinkat resumed>) = 0 [pid 1575] close(5 [pid 313] close(3 [pid 309] <... unlink resumed>) = 0 [pid 1576] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./245/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1576] <... unlinkat resumed>) = 0 [pid 1575] close(6 [pid 313] rmdir("./259" [pid 310] umount2("./247/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1576] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./245/cgroup" [pid 1576] <... unlinkat resumed>) = 0 [pid 1575] close(7 [pid 310] newfstatat(AT_FDCWD, "./247/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1576] close(3 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./260", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./245/cgroup" [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] close(8 [pid 313] <... mkdir resumed>) = 0 [pid 310] unlink("./247/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1576] close(4 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] close(9 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1576] close(5 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] close(10 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 1576] close(6 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./245" [pid 1575] close(11 [pid 309] <... rmdir resumed>) = 0 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./246", 0777ci2-android-5-15/strace-static-x86_64: Process 1577 attached [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] close(12 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1577] set_robust_list(0x55555bb49760, 24 [pid 1576] close(7 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 262 [pid 310] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1577] <... set_robust_list resumed>) = 0 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] close(13 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1577] rt_sigprocmask(SIG_SETMASK, [] [pid 1576] close(8 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./247" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1577] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] close(14 [pid 310] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1578 attached [pid 1577] chdir("./260" [pid 1576] close(9 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./248", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 248 [pid 1578] set_robust_list(0x55555bb49760, 24 [pid 1577] <... chdir resumed>) = 0 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] close(15 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1578] <... set_robust_list resumed>) = 0 [pid 1577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1576] close(10 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1577] <... prctl resumed>) = 0 [pid 1575] close(16 [pid 1578] rt_sigprocmask(SIG_SETMASK, [] [pid 1577] setpgid(0, 0 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1577] <... setpgid resumed>) = 0 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] close(17 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1578] chdir("./246" [pid 1577] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1576] close(11 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1578] <... chdir resumed>) = 0 [pid 1577] <... symlink resumed>) = 0 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] close(18 [pid 1578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1577] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1576] close(12 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1578] <... prctl resumed>) = 0 [pid 1577] <... symlink resumed>) = 0 [pid 1575] close(19 [pid 1577] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] <... symlink resumed>) = 0 [pid 1575] close(20 [pid 1577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] <... openat resumed>) = 3 [pid 1575] close(21ci2-android-5-15/strace-static-x86_64: Process 1579 attached [pid 1578] setpgid(0, 0 [pid 1577] write(3, "1000", 4 [pid 1576] close(13 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] set_robust_list(0x55555bb49760, 24 [pid 1578] <... setpgid resumed>) = 0 [pid 1577] <... write resumed>) = 4 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] close(22 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 250 [pid 1579] <... set_robust_list resumed>) = 0 [pid 1578] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1577] close(3 [pid 1576] close(14 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] rt_sigprocmask(SIG_SETMASK, [] [pid 1577] <... close resumed>) = 0 [pid 1575] close(23 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1579] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1578] <... symlink resumed>) = 0 [pid 1577] symlink("/dev/binderfs", "./binderfs" [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1579] chdir("./248" [pid 1578] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1577] <... symlink resumed>) = 0 [pid 1576] close(15 [pid 1575] close(24 [pid 1579] <... chdir resumed>) = 0 [pid 1578] <... symlink resumed>) = 0 [pid 1577] write(1, "executing program\n", 18 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1578] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1577] <... write resumed>) = 18 [pid 1576] close(16 [pid 1575] close(25 [pid 1579] <... prctl resumed>) = 0 [pid 1578] <... symlink resumed>) = 0 [pid 1577] mkdirat(AT_FDCWD, "./config", 0777 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] setpgid(0, 0 [pid 1578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1577] <... mkdirat resumed>) = 0 [pid 1575] close(26 [pid 1579] <... setpgid resumed>) = 0 [pid 1577] mount(NULL, "./config", "configfs", 0, NULL [pid 1576] close(17 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1578] <... openat resumed>) = 3 [pid 1577] <... mount resumed>) = 0 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] close(27 [pid 1579] <... symlink resumed>) = 0 [pid 1578] write(3, "1000", 4 [pid 1577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1578] <... write resumed>) = 4 [pid 1577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1576] close(18 [pid 1575] close(28 [pid 1579] <... symlink resumed>) = 0 [pid 1578] close(3 [pid 1577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1578] <... close resumed>) = 0 [pid 1577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] close(29 [pid 1579] <... symlink resumed>) = 0 [pid 1578] symlink("/dev/binderfs", "./binderfs" [pid 1577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1578] <... symlink resumed>) = 0 [pid 1577] <... mkdirat resumed>) = 0 [pid 1576] close(19 [pid 1575] exit_group(0 [pid 1579] <... openat resumed>) = 3 [pid 1578] write(1, "executing program\n", 18 executing program [pid 1577] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1575] <... exit_group resumed>) = ? [pid 1579] write(3, "1000", 4 [pid 1578] <... write resumed>) = 18 [pid 1577] <... symlinkat resumed>) = 0 [pid 1576] close(20 [pid 1575] +++ exited with 0 +++ [pid 1579] <... write resumed>) = 4 [pid 1577] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1579] close(3 [pid 1578] mkdirat(AT_FDCWD, "./config", 0777 [pid 1577] <... unlinkat resumed>) = 0 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1579] <... close resumed>) = 0 [pid 1578] <... mkdirat resumed>) = 0 [pid 1577] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1576] close(21 [pid 1579] symlink("/dev/binderfs", "./binderfs" [pid 1578] mount(NULL, "./config", "configfs", 0, NULL [pid 1577] <... unlinkat resumed>) = 0 [pid 1579] <... symlink resumed>) = 0 [pid 1577] close(3 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] write(1, "executing program\n", 18 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... write resumed>) = 18 [pid 1577] close(4 [pid 1576] close(22 executing program [pid 1579] mkdirat(AT_FDCWD, "./config", 0777 [pid 1578] <... mount resumed>) = 0 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... mkdirat resumed>) = 0 [pid 1578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1577] close(5 [pid 1579] mount(NULL, "./config", "configfs", 0, NULL [pid 1578] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1576] close(23 [pid 1579] <... mount resumed>) = 0 [pid 1578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1577] close(6 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1577] close(7 [pid 1576] close(24 [pid 1579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1577] close(8 [pid 1579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1578] <... mkdirat resumed>) = 0 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1578] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1577] close(9 [pid 1576] close(25 [pid 1579] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1578] <... symlinkat resumed>) = 0 [pid 1577] close(10 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1578] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... unlinkat resumed>) = 0 [pid 1578] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1577] close(11 [pid 1576] close(26 [pid 1579] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1578] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... unlinkat resumed>) = 0 [pid 1578] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1577] close(12 [pid 1576] close(27 [pid 1579] close(3 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] close(3 [pid 1577] close(13 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] close(4 [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1576] close(28 [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] close(4 [pid 1577] close(14 [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] close(5 [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1576] close(29 [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] close(15 [pid 1579] close(6 [pid 1578] close(5 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] close(16 [pid 1579] close(7 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] close(6 [pid 1577] close(17 [pid 1576] exit_group(0 [pid 1579] close(8 [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1576] <... exit_group resumed>) = ? [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] close(7 [pid 1577] close(18 [pid 1579] close(9 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] close(19 [pid 1579] close(10 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] close(20 [pid 1579] close(11 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] close(21 [pid 1579] close(12 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1576] +++ exited with 0 +++ [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] close(22 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1579] close(13 [pid 1578] close(8 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] close(23 [pid 1579] close(14 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] close(24 [pid 1579] close(15 [pid 1578] close(9 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] close(25 [pid 1579] close(16 [pid 1578] close(10 [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] close(26 [pid 1579] close(17 [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] close(11 [pid 1577] close(27 [pid 1579] close(18 [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] close(12 [pid 1577] close(28 [pid 1579] close(19 [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] close(13 [pid 1577] close(29 [pid 1579] close(20 [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] exit_group(0 [pid 1579] close(21 [pid 1578] close(14 [pid 1577] <... exit_group resumed>) = ? [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1577] +++ exited with 0 +++ [pid 1579] close(22 [pid 1578] close(15 [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] close(23 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1578] close(16 [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1579] close(24 [pid 1578] close(17 [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] close(25 [pid 1578] close(18 [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] close(26) = -1 EBADF (Bad file descriptor) [pid 1578] close(19 [pid 1579] close(27) = -1 EBADF (Bad file descriptor) [pid 1579] close(28 [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] close(29 [pid 1578] close(20 [pid 1579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1579] exit_group(0) = ? [pid 1579] +++ exited with 0 +++ [pid 1578] close(21) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1578] close(22) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1578] close(23) = -1 EBADF (Bad file descriptor) [pid 1578] close(24) = -1 EBADF (Bad file descriptor) [pid 1578] close(25) = -1 EBADF (Bad file descriptor) [pid 1578] close(26) = -1 EBADF (Bad file descriptor) [pid 1578] close(27 [pid 312] umount2("./255", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 1578] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1578] close(29 [pid 311] umount2("./251", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1578] exit_group(0 [pid 312] fstat(3 [pid 311] <... openat resumed>) = 3 [pid 1578] <... exit_group resumed>) = ? [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 311] <... umount2 resumed>) = 0 [pid 311] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1578] +++ exited with 0 +++ [pid 311] newfstatat(AT_FDCWD, "./251/config" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 312] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./251/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 4 [pid 313] umount2("./260", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./255/config" [pid 311] fstat(4 [pid 309] umount2("./246", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 309] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... openat resumed>) = 3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 3 [pid 313] fstat(3 [pid 312] openat(AT_FDCWD, "./255/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] getdents64(4 [pid 309] fstat(3 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... openat resumed>) = 4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] getdents64(3 [pid 312] fstat(4 [pid 311] close(4 [pid 309] getdents64(3 [pid 311] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] rmdir("./251/config" [pid 309] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 311] <... rmdir resumed>) = 0 [pid 311] umount2("./251/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./251/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./246/config" [pid 313] newfstatat(AT_FDCWD, "./260/config" [pid 312] close(4 [pid 311] unlink("./251/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./246/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./255/config" [pid 311] umount2("./251/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./246/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] openat(AT_FDCWD, "./260/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./255/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./251/cgroup.net" [pid 309] <... openat resumed>) = 4 [pid 313] <... openat resumed>) = 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 313] fstat(4 [pid 312] newfstatat(AT_FDCWD, "./255/binderfs" [pid 311] unlink("./251/cgroup.net" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 313] getdents64(4 [pid 312] unlink("./255/binderfs" [pid 311] umount2("./251/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 313] getdents64(4 [pid 312] umount2("./255/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./251/cgroup.cpu" [pid 310] umount2("./248", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 313] close(4 [pid 312] newfstatat(AT_FDCWD, "./255/cgroup.net" [pid 311] unlink("./251/cgroup.cpu" [pid 310] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] rmdir("./246/config" [pid 313] rmdir("./260/config" [pid 312] unlink("./255/cgroup.net" [pid 311] umount2("./251/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 309] <... rmdir resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] umount2("./246/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./260/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./255/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./251/cgroup" [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] newfstatat(AT_FDCWD, "./246/binderfs" [pid 313] newfstatat(AT_FDCWD, "./260/binderfs" [pid 312] newfstatat(AT_FDCWD, "./255/cgroup.cpu" [pid 311] unlink("./251/cgroup" [pid 310] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] unlink("./246/binderfs" [pid 313] unlink("./260/binderfs" [pid 312] unlink("./255/cgroup.cpu" [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./246/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./260/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./255/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./246/cgroup.net" [pid 313] newfstatat(AT_FDCWD, "./260/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./255/cgroup" [pid 311] rmdir("./251" [pid 310] newfstatat(AT_FDCWD, "./248/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./246/cgroup.net" [pid 313] unlink("./260/cgroup.net" [pid 312] unlink("./255/cgroup" [pid 311] mkdir("./252", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./246/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./260/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./246/cgroup.cpu" [pid 313] newfstatat(AT_FDCWD, "./260/cgroup.cpu" [pid 312] close(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./248/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 309] unlink("./246/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1580 attached [pid 313] unlink("./260/cgroup.cpu" [pid 312] rmdir("./255" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 254 [pid 310] <... openat resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 1580] set_robust_list(0x55555bb49760, 24 [pid 313] <... unlink resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(4 [pid 309] umount2("./246/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1580] <... set_robust_list resumed>) = 0 [pid 313] umount2("./260/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] mkdir("./256", 0777 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1580] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./246/cgroup" [pid 1580] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] newfstatat(AT_FDCWD, "./260/cgroup" [pid 312] <... mkdir resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1580] chdir("./252" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./246/cgroup" [pid 1580] <... chdir resumed>) = 0 [pid 313] unlink("./260/cgroup" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 1580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... unlink resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 1580] <... prctl resumed>) = 0 [pid 313] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./246") = 0 ci2-android-5-15/strace-static-x86_64: Process 1581 attached [pid 309] mkdir("./247", 0777 [pid 1580] setpgid(0, 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 1581] set_robust_list(0x55555bb49760, 24 [pid 1580] <... setpgid resumed>) = 0 [pid 313] close(3 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 258 [pid 309] <... mkdir resumed>) = 0 [pid 1581] <... set_robust_list resumed>) = 0 [pid 1580] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 310] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1581] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... close resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1580] <... symlink resumed>) = 0 [pid 1581] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] rmdir("./260" [pid 1580] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./248/config" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1582 attached [pid 1581] chdir("./256" [pid 1580] <... symlink resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1581] <... chdir resumed>) = 0 [pid 1580] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] mkdir("./261", 0777 [pid 310] umount2("./248/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 249 [pid 1582] set_robust_list(0x55555bb49760, 24 [pid 1581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1580] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1582] <... set_robust_list resumed>) = 0 [pid 1581] <... prctl resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 1580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1582] rt_sigprocmask(SIG_SETMASK, [] [pid 1581] setpgid(0, 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./248/binderfs" [pid 1582] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1581] <... setpgid resumed>) = 0 [pid 1580] <... openat resumed>) = 3 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1582] chdir("./247" [pid 1581] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1580] write(3, "1000", 4 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1582] <... chdir resumed>) = 0 [pid 1581] <... symlink resumed>) = 0 [pid 1580] <... write resumed>) = 4 [pid 310] unlink("./248/binderfs" [pid 1581] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 1581] symlink("/syzcgroup/net/syz3", "./cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1583 attached [pid 1582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1581] <... symlink resumed>) = 0 [pid 1580] close(3 [pid 310] <... unlink resumed>) = 0 [pid 1583] set_robust_list(0x55555bb49760, 24 [pid 1582] <... prctl resumed>) = 0 [pid 1581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1583] <... set_robust_list resumed>) = 0 [pid 1582] setpgid(0, 0 [pid 1581] <... openat resumed>) = 3 [pid 1580] <... close resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 263 [pid 310] umount2("./248/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1583] rt_sigprocmask(SIG_SETMASK, [] [pid 1582] <... setpgid resumed>) = 0 [pid 1581] write(3, "1000", 4 [pid 1580] symlink("/dev/binderfs", "./binderfs" [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1583] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1582] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1581] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1583] chdir("./261" [pid 1581] close(3 [pid 1580] <... symlink resumed>) = 0 [pid 1582] <... symlink resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1583] <... chdir resumed>) = 0 [pid 1581] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./248/cgroup.net" [pid 1583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1582] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1581] symlink("/dev/binderfs", "./binderfs" [pid 1580] write(1, "executing program\n", 18 [pid 1583] <... prctl resumed>) = 0 executing program [pid 1582] <... symlink resumed>) = 0 [pid 1581] <... symlink resumed>) = 0 [pid 1580] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1583] setpgid(0, 0 [pid 1582] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1581] write(1, "executing program\n", 18 [pid 1583] <... setpgid resumed>) = 0 executing program [pid 1581] <... write resumed>) = 18 [pid 1580] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] unlink("./248/cgroup.net" [pid 1583] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1582] <... symlink resumed>) = 0 [pid 1581] mkdirat(AT_FDCWD, "./config", 0777 [pid 1583] <... symlink resumed>) = 0 [pid 1582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1581] <... mkdirat resumed>) = 0 [pid 1580] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1583] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1581] mount(NULL, "./config", "configfs", 0, NULL [pid 1583] <... symlink resumed>) = 0 [pid 1582] <... openat resumed>) = 3 [pid 1581] <... mount resumed>) = 0 [pid 1580] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./248/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1583] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1582] write(3, "1000", 4 [pid 1581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1583] <... symlink resumed>) = 0 [pid 1582] <... write resumed>) = 4 [pid 1581] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1580] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1582] close(3 [pid 1581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./248/cgroup.cpu" [pid 1583] <... openat resumed>) = 3 [pid 1582] <... close resumed>) = 0 [pid 1581] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1583] write(3, "1000", 4 [pid 1582] symlink("/dev/binderfs", "./binderfs" [pid 1581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1583] <... write resumed>) = 4 [pid 1582] <... symlink resumed>) = 0 [pid 1581] <... mkdirat resumed>) = 0 [pid 1580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./248/cgroup.cpu" [pid 1583] close(3 [pid 1582] write(1, "executing program\n", 18 executing program [pid 1581] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1583] <... close resumed>) = 0 [pid 1582] <... write resumed>) = 18 [pid 1581] <... symlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1583] symlink("/dev/binderfs", "./binderfs" [pid 1582] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 1581] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1583] <... symlink resumed>) = 0 [pid 1582] <... mkdirat resumed>) = 0 [pid 1581] <... unlinkat resumed>) = 0 [pid 1580] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./248/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1583] write(1, "executing program\n", 18 [pid 1582] mount(NULL, "./config", "configfs", 0, NULL [pid 1581] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1583] <... write resumed>) = 18 [pid 1582] <... mount resumed>) = 0 [pid 1581] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1580] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1583] mkdirat(AT_FDCWD, "./config", 0777 [pid 1582] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1581] close(3 [pid 1580] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1583] <... mkdirat resumed>) = 0 [pid 1582] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./248/cgroup" [pid 1583] mount(NULL, "./config", "configfs", 0, NULL [pid 1582] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1581] close(4 [pid 1580] <... unlinkat resumed>) = 0 [pid 1583] <... mount resumed>) = 0 [pid 1582] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1583] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1582] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1581] close(5 [pid 1580] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] unlink("./248/cgroup" [pid 1583] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1582] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... unlinkat resumed>) = 0 [pid 1583] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1582] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1581] close(6 [pid 1580] close(3 [pid 310] <... unlink resumed>) = 0 [pid 1583] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1583] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1581] close(7 [pid 1583] <... mkdirat resumed>) = 0 [pid 1582] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1583] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1581] close(8 [pid 1583] <... symlinkat resumed>) = 0 [pid 1582] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1583] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1581] close(9 [pid 1583] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1582] <... unlinkat resumed>) = 0 [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 1583] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1582] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1581] close(10 [pid 1580] close(5 [pid 310] <... close resumed>) = 0 [pid 1583] <... unlinkat resumed>) = 0 [pid 1582] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1583] close(3 [pid 1582] close(3 [pid 1581] close(11 [pid 1580] close(6 [pid 310] rmdir("./248" [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1583] close(4 [pid 1582] close(4 [pid 1581] close(12 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] close(7 [pid 310] mkdir("./249", 0777 [pid 1583] close(5 [pid 1582] close(5 [pid 1581] close(13 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] close(8 [pid 310] <... mkdir resumed>) = 0 [pid 1583] close(6 [pid 1582] close(6 [pid 1581] close(14 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] close(9 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1583] close(7 [pid 1582] close(7 [pid 1581] close(15 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] close(10 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1583] close(8 [pid 1582] close(8 [pid 1581] close(16 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1583] close(9 [pid 1581] close(17 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1583] close(10 [pid 1581] close(18 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1583] close(11 [pid 1581] close(19ci2-android-5-15/strace-static-x86_64: Process 1584 attached [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] close(11 [pid 1584] set_robust_list(0x55555bb49760, 24 [pid 1583] close(12 [pid 1582] close(9 [pid 1581] close(20 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] <... set_robust_list resumed>) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 251 [pid 1580] close(12 [pid 1584] rt_sigprocmask(SIG_SETMASK, [] [pid 1583] close(13 [pid 1582] close(10 [pid 1581] close(21 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1584] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] close(13 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1584] chdir("./249" [pid 1583] close(14 [pid 1582] close(11 [pid 1581] close(22 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] <... chdir resumed>) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1583] close(15 [pid 1581] close(23 [pid 1580] close(14 [pid 1584] <... prctl resumed>) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] close(12 [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] setpgid(0, 0 [pid 1583] close(16 [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] close(24 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] <... setpgid resumed>) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] close(13 [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] close(15 [pid 1584] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1583] close(17 [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] close(25 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] <... symlink resumed>) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] close(14 [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] close(16 [pid 1584] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1583] close(18 [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] close(26 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] <... symlink resumed>) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] close(15 [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] close(17 [pid 1584] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1583] close(19 [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] close(27 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] <... symlink resumed>) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] close(16 [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1583] close(20 [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] close(28 [pid 1580] close(18 [pid 1584] <... openat resumed>) = 3 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] close(17 [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] write(3, "1000", 4 [pid 1583] close(21 [pid 1581] close(29 [pid 1584] <... write resumed>) = 4 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] close(19 [pid 1584] close(3 [pid 1583] close(22 [pid 1582] close(18 [pid 1581] exit_group(0 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] <... close resumed>) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1581] <... exit_group resumed>) = ? [pid 1580] close(20 [pid 1584] symlink("/dev/binderfs", "./binderfs" [pid 1583] close(23 [pid 1582] close(19 [pid 1581] +++ exited with 0 +++ [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] <... symlink resumed>) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] close(21 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1584] write(1, "executing program\n", 18 [pid 1583] close(24 [pid 1582] close(20 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1584] <... write resumed>) = 18 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] close(22 [pid 1584] mkdirat(AT_FDCWD, "./config", 0777 [pid 1583] close(25 [pid 1582] close(21 [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] <... mkdirat resumed>) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] mount(NULL, "./config", "configfs", 0, NULL [pid 1583] close(26 [pid 1582] close(22 [pid 1580] close(23 [pid 1584] <... mount resumed>) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1583] close(27 [pid 1582] close(23 [pid 1580] close(24 [pid 1584] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1583] close(28 [pid 1584] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1583] close(29 [pid 1584] <... mkdirat resumed>) = 0 [pid 1583] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] close(24 [pid 1580] close(25 [pid 312] <... restart_syscall resumed>) = 0 [pid 1584] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1583] exit_group(0 [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1584] <... symlinkat resumed>) = 0 [pid 1583] <... exit_group resumed>) = ? [pid 1584] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1583] +++ exited with 0 +++ [pid 1582] close(25 [pid 1580] close(26 [pid 1584] <... unlinkat resumed>) = 0 [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./256", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1584] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1582] close(26 [pid 1580] close(27 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1584] <... unlinkat resumed>) = 0 [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1584] close(3 [pid 1582] close(27 [pid 1580] close(28 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1584] close(4 [pid 1582] close(28 [pid 1580] close(29 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1584] close(5 [pid 1582] close(29 [pid 1580] exit_group(0 [pid 312] fstat(3 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1580] <... exit_group resumed>) = ? [pid 1584] close(6 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] exit_group(0 [pid 312] getdents64(3 [pid 1580] +++ exited with 0 +++ [pid 1584] close(7 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1582] <... exit_group resumed>) = ? [pid 312] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1584] close(8 [pid 1582] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = 0 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./261", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1584] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./256/config" [pid 1584] close(10 [pid 313] <... openat resumed>) = 3 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1584] close(11 [pid 313] fstat(3 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1584] close(12 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] openat(AT_FDCWD, "./256/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1584] close(13) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1584] close(14 [pid 312] <... openat resumed>) = 4 [pid 313] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1584] close(15 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1584] close(16 [pid 313] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1584] close(17 [pid 313] newfstatat(AT_FDCWD, "./261/config" [pid 312] getdents64(4 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1584] close(18 [pid 313] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(4 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1584] close(19 [pid 313] openat(AT_FDCWD, "./261/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... close resumed>) = 0 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] rmdir("./256/config" [pid 1584] close(20 [pid 313] fstat(4 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1584] close(21 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] umount2("./256/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1584] close(22 [pid 313] getdents64(4 [pid 312] newfstatat(AT_FDCWD, "./256/binderfs" [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1584] close(23 [pid 313] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] unlink("./256/binderfs" [pid 1584] close(24 [pid 313] close(4 [pid 312] <... unlink resumed>) = 0 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] umount2("./256/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1584] close(25 [pid 313] rmdir("./261/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1584] close(26 [pid 312] newfstatat(AT_FDCWD, "./256/cgroup.net" [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./261/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1584] close(27 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./256/cgroup.net" [pid 1584] close(28 [pid 313] newfstatat(AT_FDCWD, "./261/binderfs" [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1584] close(29 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./256/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./261/binderfs" [pid 311] <... restart_syscall resumed>) = 0 [pid 1584] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1584] <... exit_group resumed>) = ? [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./256/cgroup.cpu" [pid 311] umount2("./252", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 311] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1584] +++ exited with 0 +++ [pid 311] <... umount2 resumed>) = 0 [pid 311] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./261/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./256/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./252/config" [pid 313] newfstatat(AT_FDCWD, "./261/cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./256/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] unlink("./261/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./256/cgroup" [pid 311] openat(AT_FDCWD, "./252/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] umount2("./261/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./256/cgroup" [pid 311] fstat(4 [pid 313] newfstatat(AT_FDCWD, "./261/cgroup.cpu" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 313] unlink("./261/cgroup.cpu" [pid 312] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] getdents64(4 [pid 313] umount2("./261/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 311] close(4 [pid 313] newfstatat(AT_FDCWD, "./261/cgroup" [pid 312] rmdir("./256" [pid 311] <... close resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./252/config" [pid 312] <... rmdir resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 313] unlink("./261/cgroup" [pid 312] mkdir("./257", 0777 [pid 311] umount2("./252/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(3 [pid 312] <... mkdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./252/binderfs" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./252/binderfs" [pid 313] close(3 [pid 311] <... unlink resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./252/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 313] rmdir("./261" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./252/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./252/cgroup.net") = 0 [pid 311] umount2("./252/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./252/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1585 attached [pid 313] mkdir("./262", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1585] set_robust_list(0x55555bb49760, 24 [pid 313] <... mkdir resumed>) = 0 [pid 311] unlink("./252/cgroup.cpu" [pid 1585] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 259 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./247", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1585] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./252/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1585] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1585] chdir("./257" [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] newfstatat(AT_FDCWD, "./252/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1585] <... chdir resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] unlink("./252/cgroup" [pid 309] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1585] <... prctl resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1585] setpgid(0, 0 [pid 311] getdents64(3ci2-android-5-15/strace-static-x86_64: Process 1586 attached [pid 1585] <... setpgid resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 3 [pid 1586] set_robust_list(0x55555bb49760, 24 [pid 1585] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 264 [pid 311] close(3 [pid 1586] <... set_robust_list resumed>) = 0 [pid 1585] <... symlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] fstat(3 [pid 1586] rt_sigprocmask(SIG_SETMASK, [] [pid 1585] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rmdir("./252" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1586] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1585] <... symlink resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1586] chdir("./262" [pid 1585] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] mkdir("./253", 0777 [pid 309] getdents64(3 [pid 1586] <... chdir resumed>) = 0 [pid 1585] <... symlink resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] umount2("./249", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1586] <... prctl resumed>) = 0 [pid 1585] <... openat resumed>) = 3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1586] setpgid(0, 0 [pid 1585] write(3, "1000", 4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1586] <... setpgid resumed>) = 0 [pid 1585] <... write resumed>) = 4 [pid 310] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1587 attached [pid 1586] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1585] close(3 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 255 [pid 310] <... openat resumed>) = 3 [pid 1587] set_robust_list(0x55555bb49760, 24 [pid 1586] <... symlink resumed>) = 0 [pid 1585] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1587] <... set_robust_list resumed>) = 0 [pid 1586] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1585] symlink("/dev/binderfs", "./binderfs" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(3 [pid 1587] rt_sigprocmask(SIG_SETMASK, [] [pid 1586] <... symlink resumed>) = 0 [pid 1585] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1587] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1586] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1585] write(1, "executing program\n", 18 executing program [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./247/config" [pid 1587] chdir("./253" [pid 1586] <... symlink resumed>) = 0 [pid 1585] <... write resumed>) = 18 [pid 310] getdents64(3 [pid 1587] <... chdir resumed>) = 0 [pid 1586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1585] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1586] <... openat resumed>) = 3 [pid 1585] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./247/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1587] <... prctl resumed>) = 0 [pid 1586] write(3, "1000", 4 [pid 1585] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1587] setpgid(0, 0 [pid 1586] <... write resumed>) = 4 [pid 1585] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1587] <... setpgid resumed>) = 0 [pid 1586] close(3 [pid 1585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 1587] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1586] <... close resumed>) = 0 [pid 1585] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./247/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1587] <... symlink resumed>) = 0 [pid 1586] symlink("/dev/binderfs", "./binderfs" [pid 1585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1587] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1586] <... symlink resumed>) = 0 [pid 1585] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./249/config" [pid 309] <... openat resumed>) = 4 [pid 1586] write(1, "executing program\n", 18 executing program [pid 1585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1587] <... symlink resumed>) = 0 [pid 1586] <... write resumed>) = 18 [pid 1585] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 1587] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1586] mkdirat(AT_FDCWD, "./config", 0777 [pid 1585] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1587] <... symlink resumed>) = 0 [pid 1586] <... mkdirat resumed>) = 0 [pid 1585] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1586] mount(NULL, "./config", "configfs", 0, NULL [pid 1585] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1587] <... openat resumed>) = 3 [pid 1586] <... mount resumed>) = 0 [pid 1585] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./249/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1587] write(3, "1000", 4 [pid 1586] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1585] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... openat resumed>) = 4 [pid 1587] <... write resumed>) = 4 [pid 1586] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1585] <... unlinkat resumed>) = 0 [pid 310] fstat(4 [pid 309] getdents64(4 [pid 1586] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1585] close(3 [pid 1587] close(3 [pid 1586] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1587] <... close resumed>) = 0 [pid 1586] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1585] close(4 [pid 1587] symlink("/dev/binderfs", "./binderfs" [pid 1586] <... mkdirat resumed>) = 0 [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] close(4 [pid 1586] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1585] close(5 [pid 1587] <... symlink resumed>) = 0 [pid 1586] <... symlinkat resumed>) = 0 [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... close resumed>) = 0 [pid 1587] write(1, "executing program\n", 18 [pid 1586] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1585] close(6 [pid 310] getdents64(4 [pid 309] rmdir("./247/config" [pid 1587] <... write resumed>) = 18 [pid 1586] <... unlinkat resumed>) = 0 [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 executing program [pid 1586] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1585] close(7 [pid 309] <... rmdir resumed>) = 0 [pid 1587] mkdirat(AT_FDCWD, "./config", 0777 [pid 1586] <... unlinkat resumed>) = 0 [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 309] umount2("./247/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1587] <... mkdirat resumed>) = 0 [pid 1586] close(3 [pid 1585] close(8 [pid 1587] mount(NULL, "./config", "configfs", 0, NULL [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1587] <... mount resumed>) = 0 [pid 1586] close(4 [pid 1585] close(9 [pid 310] rmdir("./249/config" [pid 309] newfstatat(AT_FDCWD, "./247/binderfs" [pid 1587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1586] close(5 [pid 1585] close(10 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./249/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./247/binderfs" [pid 1587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1586] close(6 [pid 1585] close(11 [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1586] close(7 [pid 1585] close(12 [pid 310] newfstatat(AT_FDCWD, "./249/binderfs" [pid 309] umount2("./247/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1587] <... mkdirat resumed>) = 0 [pid 1586] close(8 [pid 1585] close(13 [pid 1587] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1587] <... symlinkat resumed>) = 0 [pid 1586] close(9 [pid 1585] close(14 [pid 310] unlink("./249/binderfs" [pid 309] newfstatat(AT_FDCWD, "./247/cgroup.net" [pid 1587] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1587] <... unlinkat resumed>) = 0 [pid 1586] close(10 [pid 1585] close(15 [pid 310] umount2("./249/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1587] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./247/cgroup.net" [pid 1586] close(11 [pid 1585] close(16 [pid 1587] <... unlinkat resumed>) = 0 [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./249/cgroup.net" [pid 309] <... unlink resumed>) = 0 [pid 1587] close(3 [pid 1586] close(12 [pid 1585] close(17 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./249/cgroup.net" [pid 309] umount2("./247/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1587] close(4 [pid 1586] close(13 [pid 1585] close(18 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1587] close(5 [pid 1586] close(14 [pid 1585] close(19 [pid 310] umount2("./249/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./247/cgroup.cpu" [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1587] close(6 [pid 1586] close(15 [pid 1585] close(20 [pid 310] newfstatat(AT_FDCWD, "./249/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./247/cgroup.cpu" [pid 1587] close(7 [pid 1586] close(16 [pid 1585] close(21 [pid 310] unlink("./249/cgroup.cpu" [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1587] close(8 [pid 1586] close(17 [pid 1585] close(22 [pid 310] <... unlink resumed>) = 0 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./249/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./247/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1587] close(9 [pid 1586] close(18 [pid 1585] close(23 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1587] close(10 [pid 1586] close(19 [pid 1585] close(24 [pid 310] newfstatat(AT_FDCWD, "./249/cgroup" [pid 309] newfstatat(AT_FDCWD, "./247/cgroup" [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1587] close(11 [pid 1586] close(20 [pid 1585] close(25 [pid 310] unlink("./249/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1587] close(12 [pid 1586] close(21 [pid 1585] close(26 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./247/cgroup" [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1587] close(13 [pid 1586] close(22 [pid 1585] close(27 [pid 309] <... unlink resumed>) = 0 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 1587] close(14 [pid 1586] close(23 [pid 1585] close(28 [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1587] close(15 [pid 1586] close(24 [pid 1585] close(29 [pid 310] <... close resumed>) = 0 [pid 309] close(3 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./249" [pid 1587] close(16 [pid 1586] close(25 [pid 1585] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1585] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./247" [pid 1587] close(17 [pid 1586] close(26 [pid 1585] +++ exited with 0 +++ [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] close(27) = -1 EBADF (Bad file descriptor) [pid 1586] close(28 [pid 310] mkdir("./250", 0777 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1587] close(18 [pid 1586] close(29 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... mkdir resumed>) = 0 [pid 309] mkdir("./248", 0777 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1587] close(19 [pid 1586] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1586] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1587] close(20 [pid 1586] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1588 attached [pid 1587] close(21 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1588] set_robust_list(0x55555bb49760, 24 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 252 [pid 1588] <... set_robust_list resumed>) = 0 [pid 1588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1588] chdir("./250") = 0 [pid 1588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ci2-android-5-15/strace-static-x86_64: Process 1589 attached [pid 1588] setpgid(0, 0 [pid 1587] close(22 [pid 312] <... restart_syscall resumed>) = 0 [pid 1589] set_robust_list(0x55555bb49760, 24 [pid 1588] <... setpgid resumed>) = 0 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 250 [pid 1589] <... set_robust_list resumed>) = 0 [pid 1588] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1587] close(23 [pid 1589] rt_sigprocmask(SIG_SETMASK, [] [pid 1588] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1589] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1588] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./257", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] chdir("./248" [pid 1588] <... symlink resumed>) = 0 [pid 1587] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1589] <... chdir resumed>) = 0 [pid 1588] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1588] <... symlink resumed>) = 0 [pid 1587] close(25 [pid 1589] <... prctl resumed>) = 0 [pid 1588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 1589] setpgid(0, 0 [pid 1588] <... openat resumed>) = 3 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1589] <... setpgid resumed>) = 0 [pid 1588] write(3, "1000", 4 [pid 1587] close(26 [pid 1588] <... write resumed>) = 4 [pid 1588] close(3) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1589] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1588] symlink("/dev/binderfs", "./binderfs" [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./262", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] <... symlink resumed>) = 0 [pid 1588] <... symlink resumed>) = 0 [pid 1587] close(27 [pid 312] getdents64(3 [pid 1589] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1588] write(1, "executing program\n", 18 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1589] <... symlink resumed>) = 0 [pid 1588] <... write resumed>) = 18 [pid 1587] close(28 [pid 313] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1589] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1588] mkdirat(AT_FDCWD, "./config", 0777 [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] <... symlink resumed>) = 0 [pid 1588] <... mkdirat resumed>) = 0 [pid 1587] close(29 [pid 313] fstat(3 [pid 1589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 1588] mount(NULL, "./config", "configfs", 0, NULL [pid 1587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1589] <... openat resumed>) = 3 [pid 1588] <... mount resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1589] write(3, "1000", 4 [pid 1588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1587] exit_group(0 [pid 312] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] <... write resumed>) = 4 [pid 1588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] getdents64(3 [pid 1587] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1589] close(3 [pid 1588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1588] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1589] <... close resumed>) = 0 [pid 1588] <... symlinkat resumed>) = 0 [pid 1587] +++ exited with 0 +++ [pid 313] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./257/config" [pid 1589] symlink("/dev/binderfs", "./binderfs" [pid 1588] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1589] <... symlink resumed>) = 0 [pid 1588] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] write(1, "executing program\n", 18 executing program [pid 1588] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] <... write resumed>) = 18 [pid 1588] <... unlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1588] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1589] mkdirat(AT_FDCWD, "./config", 0777 [pid 1588] close(4) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./262/config" [pid 312] openat(AT_FDCWD, "./257/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1589] <... mkdirat resumed>) = 0 [pid 1588] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1589] mount(NULL, "./config", "configfs", 0, NULL [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1588] close(6 [pid 313] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] <... mount resumed>) = 0 [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1588] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1588] close(8) = -1 EBADF (Bad file descriptor) [pid 1588] close(9) = -1 EBADF (Bad file descriptor) [pid 1588] close(10 [pid 1589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] openat(AT_FDCWD, "./262/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] getdents64(4 [pid 1589] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1588] close(11 [pid 313] <... openat resumed>) = 4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1589] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] getdents64(4 [pid 1589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1588] close(12 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1588] close(13) = -1 EBADF (Bad file descriptor) [pid 1588] close(14 [pid 1589] <... mkdirat resumed>) = 0 [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1589] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1588] close(15 [pid 313] getdents64(4 [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1589] <... symlinkat resumed>) = 0 [pid 1588] close(16 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] rmdir("./257/config" [pid 1589] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1588] close(17 [pid 312] <... rmdir resumed>) = 0 [pid 1589] <... unlinkat resumed>) = 0 [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] umount2("./257/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1588] close(18 [pid 313] close(4 [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1588] close(19 [pid 1589] <... unlinkat resumed>) = 0 [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1589] close(3 [pid 1588] close(20 [pid 313] <... close resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./257/binderfs" [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./262/config" [pid 1589] close(4 [pid 1588] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] unlink("./257/binderfs" [pid 1589] close(5 [pid 1588] close(22 [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./262/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 1589] close(6 [pid 1588] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./257/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./262/binderfs" [pid 1589] close(7 [pid 1588] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1588] close(25 [pid 313] unlink("./262/binderfs" [pid 312] newfstatat(AT_FDCWD, "./257/cgroup.net" [pid 1589] close(8 [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1588] close(26 [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1589] close(9 [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./262/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1588] close(27 [pid 312] unlink("./257/cgroup.net" [pid 1589] close(10 [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1588] close(28) = -1 EBADF (Bad file descriptor) [pid 1588] close(29 [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./262/cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 1589] close(11 [pid 1588] exit_group(0 [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1588] <... exit_group resumed>) = ? [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./257/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] close(12 [pid 1588] +++ exited with 0 +++ [pid 313] unlink("./262/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1589] close(13 [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./257/cgroup.cpu" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./262/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1589] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./257/cgroup.cpu" [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./262/cgroup.cpu" [pid 1589] close(15 [pid 312] <... unlink resumed>) = 0 [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./250", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./257/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] close(16 [pid 313] unlink("./262/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1589] close(17 [pid 313] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./257/cgroup" [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./262/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] close(18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./257/cgroup" [pid 310] fstat(3 [pid 1589] close(19 [pid 313] newfstatat(AT_FDCWD, "./262/cgroup" [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1589] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(3 [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./262/cgroup" [pid 310] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1589] close(21 [pid 313] <... unlink resumed>) = 0 [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 1589] close(22 [pid 313] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... close resumed>) = 0 [pid 310] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] close(23 [pid 313] close(3 [pid 312] rmdir("./257" [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 313] rmdir("./262" [pid 312] <... rmdir resumed>) = 0 [pid 1589] close(24 [pid 310] <... umount2 resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./258", 0777 [pid 313] mkdir("./263", 0777 [pid 310] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1589] close(25 [pid 312] <... mkdir resumed>) = 0 [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1589] close(26 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./250/config" [pid 1589] close(27 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./253", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1590 attached [pid 1589] close(28 [pid 311] <... openat resumed>) = 3 [pid 310] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1590] set_robust_list(0x55555bb49760, 24 [pid 311] fstat(3 [pid 1590] <... set_robust_list resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1591 attached [pid 1590] rt_sigprocmask(SIG_SETMASK, [] [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 265 [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1591] set_robust_list(0x55555bb49760, 24 [pid 1590] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1589] close(29 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 260 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] openat(AT_FDCWD, "./250/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1591] <... set_robust_list resumed>) = 0 [pid 1590] chdir("./263" [pid 1589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1591] rt_sigprocmask(SIG_SETMASK, [] [pid 1590] <... chdir resumed>) = 0 [pid 1589] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 1591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1589] <... exit_group resumed>) = ? [pid 311] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 1591] chdir("./258" [pid 1590] <... prctl resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1590] setpgid(0, 0 [pid 311] newfstatat(AT_FDCWD, "./253/config" [pid 1590] <... setpgid resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1590] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 311] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1590] <... symlink resumed>) = 0 [pid 1589] +++ exited with 0 +++ [pid 1591] <... chdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1590] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 311] openat(AT_FDCWD, "./253/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 1591] <... prctl resumed>) = 0 [pid 1590] <... symlink resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 1590] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 311] fstat(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1591] setpgid(0, 0 [pid 1590] <... symlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1591] <... setpgid resumed>) = 0 [pid 1590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1591] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1590] <... openat resumed>) = 3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] close(4 [pid 1590] write(3, "1000", 4 [pid 311] getdents64(4 [pid 1591] <... symlink resumed>) = 0 [pid 1590] <... write resumed>) = 4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 1591] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1590] close(3 [pid 311] close(4 [pid 310] rmdir("./250/config" [pid 1591] <... symlink resumed>) = 0 [pid 1590] <... close resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 1590] symlink("/dev/binderfs", "./binderfs" [pid 311] rmdir("./253/config" [pid 310] <... rmdir resumed>) = 0 [pid 1591] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1590] <... symlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./250/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1590] write(1, "executing program\n", 18 executing program [pid 311] umount2("./253/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1591] <... symlink resumed>) = 0 [pid 1590] <... write resumed>) = 18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1590] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] newfstatat(AT_FDCWD, "./253/binderfs" [pid 1591] <... openat resumed>) = 3 [pid 1590] <... mkdirat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./250/binderfs" [pid 1591] write(3, "1000", 4 [pid 1590] mount(NULL, "./config", "configfs", 0, NULL [pid 311] unlink("./253/binderfs" [pid 1591] <... write resumed>) = 4 [pid 1590] <... mount resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1591] close(3 [pid 1590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] umount2("./253/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./250/binderfs" [pid 1591] <... close resumed>) = 0 [pid 1590] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] newfstatat(AT_FDCWD, "./253/cgroup.net" [pid 1591] symlink("/dev/binderfs", "./binderfs" [pid 1590] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1591] <... symlink resumed>) = 0 [pid 1590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] unlink("./253/cgroup.net" [pid 1591] write(1, "executing program\n", 18 executing program [pid 1590] <... mkdirat resumed>) = 0 [pid 310] umount2("./250/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1591] <... write resumed>) = 18 [pid 1590] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1591] mkdirat(AT_FDCWD, "./config", 0777 [pid 1590] <... symlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./250/cgroup.net" [pid 311] umount2("./253/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1591] <... mkdirat resumed>) = 0 [pid 1590] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1591] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1590] <... unlinkat resumed>) = 0 [pid 310] unlink("./250/cgroup.net" [pid 1591] <... mount resumed>) = 0 [pid 1590] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] newfstatat(AT_FDCWD, "./253/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 1591] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./250/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1591] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1590] <... unlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1591] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1590] close(3 [pid 311] unlink("./253/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./250/cgroup.cpu" [pid 1591] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1591] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1590] close(4 [pid 311] umount2("./253/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./250/cgroup.cpu" [pid 1591] <... mkdirat resumed>) = 0 [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1591] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1590] close(5 [pid 311] newfstatat(AT_FDCWD, "./253/cgroup" [pid 310] umount2("./250/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1591] <... symlinkat resumed>) = 0 [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1591] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1590] close(6 [pid 311] unlink("./253/cgroup" [pid 310] newfstatat(AT_FDCWD, "./250/cgroup" [pid 1591] <... unlinkat resumed>) = 0 [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1591] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1590] close(7 [pid 311] getdents64(3 [pid 310] unlink("./250/cgroup" [pid 1591] <... unlinkat resumed>) = 0 [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1590] close(8 [pid 311] close(3 [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1591] close(3 [pid 1590] close(9 [pid 311] rmdir("./253" [pid 310] getdents64(3 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1591] close(4 [pid 1590] close(10 [pid 311] mkdir("./254", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 310] close(3 [pid 1591] close(5 [pid 1590] close(11 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... close resumed>) = 0 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rmdir("./250" [pid 309] <... restart_syscall resumed>) = 0 [pid 1591] close(6 [pid 1590] close(12 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1591] close(7 [pid 310] mkdir("./251", 0777 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./248", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1592 attached [pid 1591] close(8 [pid 1590] close(13 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1592] set_robust_list(0x55555bb49760, 24 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 256 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1592] <... set_robust_list resumed>) = 0 [pid 1591] close(9 [pid 1590] close(14 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 1593 attached [pid 1592] rt_sigprocmask(SIG_SETMASK, [] [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3 [pid 1593] set_robust_list(0x55555bb49760, 24 [pid 1592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1591] close(10 [pid 1590] close(15 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 253 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1593] <... set_robust_list resumed>) = 0 [pid 1592] chdir("./254" [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 1593] rt_sigprocmask(SIG_SETMASK, [] [pid 1592] <... chdir resumed>) = 0 [pid 1591] close(11 [pid 1590] close(16 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1593] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1593] chdir("./251" [pid 1592] <... prctl resumed>) = 0 [pid 1591] close(12 [pid 1590] close(17 [pid 309] <... umount2 resumed>) = 0 [pid 1593] <... chdir resumed>) = 0 [pid 1592] setpgid(0, 0 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1593] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1592] <... setpgid resumed>) = 0 [pid 1591] close(13 [pid 1590] close(18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1593] <... prctl resumed>) = 0 [pid 1592] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./248/config" [pid 1593] setpgid(0, 0 [pid 1592] <... symlink resumed>) = 0 [pid 1591] close(14 [pid 1590] close(19 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1593] <... setpgid resumed>) = 0 [pid 1592] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./248/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1593] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1592] <... symlink resumed>) = 0 [pid 1591] close(15 [pid 1590] close(20 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1593] <... symlink resumed>) = 0 [pid 1592] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./248/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1593] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1592] <... symlink resumed>) = 0 [pid 1591] close(16 [pid 1590] close(21 [pid 309] <... openat resumed>) = 4 [pid 1593] <... symlink resumed>) = 0 [pid 1592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(4 [pid 1593] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1592] <... openat resumed>) = 3 [pid 1591] close(17 [pid 1590] close(22 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1593] <... symlink resumed>) = 0 [pid 1592] write(3, "1000", 4 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1592] <... write resumed>) = 4 [pid 1591] close(18 [pid 1590] close(23 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1593] <... openat resumed>) = 3 [pid 1592] close(3 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1593] write(3, "1000", 4 [pid 1592] <... close resumed>) = 0 [pid 1591] close(19 [pid 1590] close(24 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1593] <... write resumed>) = 4 [pid 1592] symlink("/dev/binderfs", "./binderfs" [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(4 [pid 1593] close(3 [pid 1592] <... symlink resumed>) = 0 [pid 1591] close(20 [pid 1590] close(25 [pid 309] <... close resumed>) = 0 [pid 1593] <... close resumed>) = 0 [pid 1592] write(1, "executing program\n", 18 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 309] rmdir("./248/config" [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1593] symlink("/dev/binderfs", "./binderfs" [pid 1592] <... write resumed>) = 18 [pid 1591] close(21 [pid 1590] close(26 [pid 309] <... rmdir resumed>) = 0 [pid 1593] <... symlink resumed>) = 0 [pid 1592] mkdirat(AT_FDCWD, "./config", 0777 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./248/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1593] write(1, "executing program\n", 18 [pid 1592] <... mkdirat resumed>) = 0 [pid 1591] close(22 [pid 1590] close(27 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1593] <... write resumed>) = 18 [pid 1592] mount(NULL, "./config", "configfs", 0, NULL [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./248/binderfs" [pid 1593] mkdirat(AT_FDCWD, "./config", 0777 [pid 1592] <... mount resumed>) = 0 [pid 1591] close(23 [pid 1590] close(28 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1593] <... mkdirat resumed>) = 0 [pid 1592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./248/binderfs" [pid 1593] mount(NULL, "./config", "configfs", 0, NULL [pid 1592] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1591] close(24 [pid 1590] close(29 [pid 309] <... unlink resumed>) = 0 [pid 1593] <... mount resumed>) = 0 [pid 1592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./248/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1592] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1591] close(25 [pid 1590] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1590] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./248/cgroup.net" [pid 1593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1592] <... mkdirat resumed>) = 0 [pid 1591] close(26 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1592] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] unlink("./248/cgroup.net" [pid 1592] <... symlinkat resumed>) = 0 [pid 1590] +++ exited with 0 +++ [pid 309] <... unlink resumed>) = 0 [pid 1593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1592] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./248/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1592] <... unlinkat resumed>) = 0 [pid 1591] close(27 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1592] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./248/cgroup.cpu" [pid 1593] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1592] <... unlinkat resumed>) = 0 [pid 1591] close(28 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1593] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1592] close(3 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./248/cgroup.cpu" [pid 1593] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1591] close(29 [pid 309] <... unlink resumed>) = 0 [pid 1593] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1592] close(4 [pid 1591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./248/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1593] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1591] exit_group(0 [pid 1593] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1592] close(5 [pid 1591] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1593] close(3 [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] close(6) = -1 EBADF (Bad file descriptor) [pid 1592] close(7) = -1 EBADF (Bad file descriptor) [pid 1592] close(8) = -1 EBADF (Bad file descriptor) [pid 1592] close(9) = -1 EBADF (Bad file descriptor) [pid 1592] close(10) = -1 EBADF (Bad file descriptor) [pid 1592] close(11 [pid 1591] +++ exited with 0 +++ [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./248/cgroup" [pid 1593] close(4 [pid 1592] close(12 [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1593] close(5 [pid 1592] close(13 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] unlink("./248/cgroup" [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1593] close(6 [pid 1592] close(14 [pid 309] <... unlink resumed>) = 0 [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1593] close(7 [pid 1592] close(15 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1593] close(8 [pid 1592] close(16 [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1593] close(9 [pid 1592] close(17 [pid 309] rmdir("./248" [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] close(18 [pid 1593] close(10 [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] close(19 [pid 309] mkdir("./249", 0777 [pid 1593] close(11 [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] close(20 [pid 309] <... mkdir resumed>) = 0 [pid 1593] close(12 [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] close(21 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1593] close(13 [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] close(22) = -1 EBADF (Bad file descriptor) [pid 1592] close(23) = -1 EBADF (Bad file descriptor) [pid 1592] close(24) = -1 EBADF (Bad file descriptor) [pid 1592] close(25) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1594 attached [pid 1593] close(14 [pid 1592] close(26 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 251 [pid 1594] set_robust_list(0x55555bb49760, 24 [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1594] <... set_robust_list resumed>) = 0 [pid 1593] close(15 [pid 1592] close(27 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] close(28 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1594] rt_sigprocmask(SIG_SETMASK, [] [pid 1593] close(16 [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1594] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] close(29 [pid 1594] chdir("./249" [pid 1592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1594] <... chdir resumed>) = 0 [pid 1593] close(17 [pid 1592] exit_group(0 [pid 1594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1592] <... exit_group resumed>) = ? [pid 1594] <... prctl resumed>) = 0 [pid 1593] close(18 [pid 1592] +++ exited with 0 +++ [pid 1594] setpgid(0, 0 [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1594] <... setpgid resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1593] close(19 [pid 1594] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1594] <... symlink resumed>) = 0 [pid 1593] close(20 [pid 1594] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 1594] <... symlink resumed>) = 0 [pid 1593] close(21 [pid 1594] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1594] <... symlink resumed>) = 0 [pid 1593] close(22 [pid 313] umount2("./263", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... restart_syscall resumed>) = 0 [pid 1594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1594] <... openat resumed>) = 3 [pid 1593] close(23 [pid 313] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1594] write(3, "1000", 4 [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1593] close(24 [pid 312] umount2("./258", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] fstat(3 [pid 1594] <... write resumed>) = 4 [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1594] close(3 [pid 1593] close(25 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1594] <... close resumed>) = 0 [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1594] symlink("/dev/binderfs", "./binderfs" [pid 1593] close(26 [pid 313] getdents64(3 [pid 312] <... openat resumed>) = 3 [pid 1594] <... symlink resumed>) = 0 [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1594] write(1, "executing program\n", 18 [pid 1593] close(27 [pid 312] fstat(3 [pid 1594] <... write resumed>) = 18 [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 1594] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1593] close(28 [pid 1594] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 312] getdents64(3 [pid 1594] mount(NULL, "./config", "configfs", 0, NULL [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1594] <... mount resumed>) = 0 [pid 1593] close(29 [pid 1594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1594] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./263/config" [pid 1593] exit_group(0 [pid 1594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1593] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1594] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1593] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1594] <... mkdirat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./263/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1594] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... openat resumed>) = 4 [pid 312] newfstatat(AT_FDCWD, "./258/config" [pid 1594] <... symlinkat resumed>) = 0 [pid 313] fstat(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./254", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1594] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./251", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1594] <... unlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1594] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] openat(AT_FDCWD, "./258/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1594] <... unlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 312] <... openat resumed>) = 4 [pid 311] fstat(3 [pid 310] <... openat resumed>) = 3 [pid 1594] close(3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] fstat(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] fstat(3 [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1594] close(4 [pid 313] <... close resumed>) = 0 [pid 312] getdents64(4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] getdents64(3 [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./263/config" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1594] close(5 [pid 313] <... rmdir resumed>) = 0 [pid 312] getdents64(4 [pid 310] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./263/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1594] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(4 [pid 311] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./263/binderfs" [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1594] close(7 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rmdir("./258/config" [pid 311] newfstatat(AT_FDCWD, "./254/config" [pid 310] newfstatat(AT_FDCWD, "./251/config" [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./263/binderfs" [pid 312] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1594] close(8 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./258/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./263/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1594] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./258/binderfs" [pid 311] openat(AT_FDCWD, "./254/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./251/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./263/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] <... openat resumed>) = 4 [pid 1594] close(10 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./258/binderfs" [pid 311] fstat(4 [pid 310] fstat(4 [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./263/cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1594] close(11 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./258/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 310] getdents64(4 [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./263/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1594] close(12 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./258/cgroup.net" [pid 311] getdents64(4 [pid 310] getdents64(4 [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./263/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1594] close(13 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./258/cgroup.net" [pid 311] close(4 [pid 310] close(4 [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./263/cgroup.cpu" [pid 312] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1594] close(14 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./258/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./254/config" [pid 310] rmdir("./251/config" [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./263/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1594] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./258/cgroup.cpu" [pid 311] umount2("./254/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./251/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./263/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1594] close(16 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./258/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./254/binderfs" [pid 310] newfstatat(AT_FDCWD, "./251/binderfs" [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./263/cgroup" [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1594] close(17 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./258/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./254/binderfs" [pid 310] unlink("./251/binderfs" [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1594] close(18 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] newfstatat(AT_FDCWD, "./258/cgroup" [pid 311] umount2("./254/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./251/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1594] close(19 [pid 313] <... close resumed>) = 0 [pid 312] unlink("./258/cgroup" [pid 311] newfstatat(AT_FDCWD, "./254/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./251/cgroup.net" [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./263" [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1594] close(20 [pid 313] <... rmdir resumed>) = 0 [pid 312] getdents64(3 [pid 311] unlink("./254/cgroup.net" [pid 310] unlink("./251/cgroup.net" [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./264", 0777 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1594] close(21 [pid 313] <... mkdir resumed>) = 0 [pid 312] close(3 [pid 311] umount2("./254/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./251/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1594] close(22 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] rmdir("./258" [pid 311] newfstatat(AT_FDCWD, "./254/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./251/cgroup.cpu" [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1595 attached [pid 1594] close(23 [pid 310] unlink("./251/cgroup.cpu" [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 266 [pid 310] <... unlink resumed>) = 0 [pid 312] mkdir("./259", 0777 [pid 1595] set_robust_list(0x55555bb49760, 24 [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] unlink("./254/cgroup.cpu" [pid 310] umount2("./251/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1595] <... set_robust_list resumed>) = 0 [pid 1594] close(24 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1595] rt_sigprocmask(SIG_SETMASK, [] [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./254/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./251/cgroup" [pid 1595] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1594] close(25 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1595] chdir("./264" [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] newfstatat(AT_FDCWD, "./254/cgroup" [pid 310] unlink("./251/cgroup" [pid 1595] <... chdir resumed>) = 0 [pid 1594] close(26 [pid 310] <... unlink resumed>) = 0 [pid 310] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(3ci2-android-5-15/strace-static-x86_64: Process 1596 attached [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 1595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1596] set_robust_list(0x55555bb49760, 24 [pid 1595] <... prctl resumed>) = 0 [pid 1594] close(27 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 261 [pid 311] unlink("./254/cgroup" [pid 310] rmdir("./251" [pid 1596] <... set_robust_list resumed>) = 0 [pid 1595] setpgid(0, 0 [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1596] rt_sigprocmask(SIG_SETMASK, [] [pid 1595] <... setpgid resumed>) = 0 [pid 1594] close(28 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] getdents64(3 [pid 310] mkdir("./252", 0777 [pid 1596] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1595] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1596] chdir("./259" [pid 1595] <... symlink resumed>) = 0 [pid 1594] close(29 [pid 311] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1596] <... chdir resumed>) = 0 [pid 1595] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1595] <... symlink resumed>) = 0 [pid 1594] exit_group(0 [pid 311] rmdir("./254" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1596] <... prctl resumed>) = 0 [pid 1595] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1594] <... exit_group resumed>) = ? [pid 311] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1597 attached [pid 1596] setpgid(0, 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 254 [pid 1596] <... setpgid resumed>) = 0 [pid 1595] <... symlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1596] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1596] <... symlink resumed>) = 0 [pid 1594] +++ exited with 0 +++ [pid 1596] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] mkdir("./255", 0777 [pid 1597] set_robust_list(0x55555bb49760, 24 [pid 1596] <... symlink resumed>) = 0 [pid 1595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1597] <... set_robust_list resumed>) = 0 [pid 1596] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1596] <... symlink resumed>) = 0 [pid 1595] <... openat resumed>) = 3 [pid 1597] rt_sigprocmask(SIG_SETMASK, [] [pid 1596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1595] write(3, "1000", 4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1596] <... openat resumed>) = 3 [pid 1595] <... write resumed>) = 4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1597] chdir("./252" [pid 1596] write(3, "1000", 4 [pid 1595] close(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1597] <... chdir resumed>) = 0 [pid 1596] <... write resumed>) = 4 [pid 1595] <... close resumed>) = 0 [pid 1596] close(3) = 0 [pid 1596] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1596] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 1598 attached executing program [pid 1597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1596] <... write resumed>) = 18 [pid 1595] symlink("/dev/binderfs", "./binderfs" [pid 1598] set_robust_list(0x55555bb49760, 24 [pid 1597] <... prctl resumed>) = 0 [pid 1596] mkdirat(AT_FDCWD, "./config", 0777 [pid 1598] <... set_robust_list resumed>) = 0 [pid 1597] setpgid(0, 0 [pid 1596] <... mkdirat resumed>) = 0 [pid 1595] <... symlink resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 257 [pid 1598] rt_sigprocmask(SIG_SETMASK, [] [pid 1597] <... setpgid resumed>) = 0 [pid 1596] mount(NULL, "./config", "configfs", 0, NULL [pid 1595] write(1, "executing program\n", 18 [pid 1598] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1597] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1596] <... mount resumed>) = 0 [pid 1595] <... write resumed>) = 18 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1598] chdir("./255" [pid 1596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1598] <... chdir resumed>) = 0 [pid 1597] <... symlink resumed>) = 0 [pid 1596] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1595] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1598] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1597] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1598] <... prctl resumed>) = 0 [pid 1597] <... symlink resumed>) = 0 [pid 1596] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1595] <... mkdirat resumed>) = 0 [pid 1598] setpgid(0, 0 [pid 1597] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1595] mount(NULL, "./config", "configfs", 0, NULL [pid 1598] <... setpgid resumed>) = 0 [pid 1597] <... symlink resumed>) = 0 [pid 1596] <... mkdirat resumed>) = 0 [pid 1598] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1596] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1595] <... mount resumed>) = 0 [pid 1598] <... symlink resumed>) = 0 [pid 1597] <... openat resumed>) = 3 [pid 1596] <... symlinkat resumed>) = 0 [pid 1595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1598] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1597] write(3, "1000", 4 [pid 1596] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1598] <... symlink resumed>) = 0 [pid 1597] <... write resumed>) = 4 [pid 1596] <... unlinkat resumed>) = 0 [pid 1595] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1598] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1597] close(3 [pid 1596] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1598] <... symlink resumed>) = 0 [pid 1597] <... close resumed>) = 0 [pid 1596] <... unlinkat resumed>) = 0 [pid 1595] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1597] symlink("/dev/binderfs", "./binderfs" [pid 1596] close(3 [pid 1595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1598] <... openat resumed>) = 3 [pid 1597] <... symlink resumed>) = 0 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1598] write(3, "1000", 4 [pid 1596] close(4 [pid 1598] <... write resumed>) = 4 [pid 1597] write(1, "executing program\n", 18 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... mkdirat resumed>) = 0 [pid 1598] close(3 [pid 1597] <... write resumed>) = 18 [pid 1596] close(5 [pid 1598] <... close resumed>) = 0 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1595] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1598] symlink("/dev/binderfs", "./binderfs" [pid 1597] mkdirat(AT_FDCWD, "./config", 0777 [pid 1596] close(6 [pid 1598] <... symlink resumed>) = 0 [pid 1597] <... mkdirat resumed>) = 0 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... symlinkat resumed>) = 0 [pid 1598] write(1, "executing program\n", 18 executing program [pid 1597] mount(NULL, "./config", "configfs", 0, NULL [pid 1596] close(7 [pid 1595] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1598] <... write resumed>) = 18 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1598] mkdirat(AT_FDCWD, "./config", 0777 [pid 1597] <... mount resumed>) = 0 [pid 1596] close(8 [pid 1595] <... unlinkat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1598] <... mkdirat resumed>) = 0 [pid 1597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1598] mount(NULL, "./config", "configfs", 0, NULL [pid 1597] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1596] close(9 [pid 1598] <... mount resumed>) = 0 [pid 1597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... unlinkat resumed>) = 0 [pid 1598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1597] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1596] close(10 [pid 1598] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] close(3 [pid 309] umount2("./249", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1596] close(11 [pid 1598] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1597] <... mkdirat resumed>) = 0 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1597] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1596] close(12 [pid 1595] close(4 [pid 309] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1598] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1597] <... symlinkat resumed>) = 0 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1598] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1597] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1596] close(13 [pid 1595] close(5 [pid 309] <... openat resumed>) = 3 [pid 1598] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1597] <... unlinkat resumed>) = 0 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(3 [pid 1598] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1597] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1596] close(14 [pid 1595] close(6 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1598] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1598] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1597] <... unlinkat resumed>) = 0 [pid 1596] close(15 [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1598] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1597] close(3 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] close(7 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1598] close(3 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(16 [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(4 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] close(8 [pid 1598] close(4 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(17 [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(5 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] close(9 [pid 1598] close(5 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(18 [pid 309] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(6 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1598] close(6 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(19 [pid 1595] close(10 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(7 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./249/config" [pid 1598] close(7 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(20 [pid 1595] close(11 [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(8 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1598] close(8 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(21 [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./249/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(9 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] close(12 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1598] close(9 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(22 [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./249/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(10 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] close(13 [pid 1598] close(10 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(23 [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(11 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] close(14 [pid 309] fstat(4 [pid 1598] close(11 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(24 [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(12 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] close(15 [pid 309] getdents64(4 [pid 1598] close(12 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(25 [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(13 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] close(16 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1598] close(13 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(26 [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(14 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] close(17 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1598] close(14 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(27 [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(4 [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(15 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] close(18 [pid 1598] close(15 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(28 [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(16 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] close(19 [pid 1598] close(16 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] close(29 [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./249/config" [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(17 [pid 1596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] close(20 [pid 1598] close(17 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] exit_group(0 [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(18 [pid 1596] <... exit_group resumed>) = ? [pid 1595] close(21 [pid 309] umount2("./249/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1598] close(18 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1596] +++ exited with 0 +++ [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(19 [pid 1595] close(22 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1598] close(19 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./249/binderfs" [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(20 [pid 1595] close(23 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1598] close(20 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(21 [pid 1595] close(24 [pid 309] unlink("./249/binderfs" [pid 1598] close(21 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(22 [pid 1595] close(25 [pid 309] <... unlink resumed>) = 0 [pid 1598] close(22 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./249/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(23 [pid 1595] close(26 [pid 1598] close(23 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(24 [pid 1595] close(27 [pid 312] umount2("./259", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./249/cgroup.net" [pid 1598] close(24 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(25 [pid 1595] close(28 [pid 312] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1598] close(25 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 309] unlink("./249/cgroup.net" [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(26 [pid 1595] close(29 [pid 312] fstat(3 [pid 1598] close(26 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(27 [pid 1595] exit_group(0 [pid 312] getdents64(3 [pid 309] umount2("./249/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1598] close(27 [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1595] <... exit_group resumed>) = ? [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1597] close(28 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1598] close(28) = -1 EBADF (Bad file descriptor) [pid 1598] close(29) = -1 EBADF (Bad file descriptor) [pid 1598] exit_group(0) = ? [pid 1595] +++ exited with 0 +++ [pid 1598] +++ exited with 0 +++ [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./249/cgroup.cpu" [pid 1597] close(29 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1597] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1597] exit_group(0 [pid 312] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./249/cgroup.cpu" [pid 1597] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./259/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1597] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./249/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] openat(AT_FDCWD, "./259/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] fstat(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./249/cgroup" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] umount2("./255", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./249/cgroup" [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 312] close(4 [pid 311] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 312] <... close resumed>) = 0 [pid 312] rmdir("./259/config" [pid 311] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] fstat(3 [pid 309] close(3 [pid 312] umount2("./259/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./259/binderfs" [pid 311] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./249" [pid 312] unlink("./259/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 312] umount2("./259/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./250", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./259/cgroup.net" [pid 311] <... umount2 resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] unlink("./259/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./255/config" [pid 312] umount2("./259/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1599 attached [pid 313] umount2("./264", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./259/cgroup.cpu" [pid 311] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1599] set_robust_list(0x55555bb49760, 24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1599] <... set_robust_list resumed>) = 0 [pid 313] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] unlink("./259/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 252 [pid 1599] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... openat resumed>) = 3 [pid 312] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./255/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] fstat(3 [pid 312] umount2("./259/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1599] chdir("./250" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(4 [pid 1599] <... chdir resumed>) = 0 [pid 313] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./259/cgroup" [pid 1599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1599] <... prctl resumed>) = 0 [pid 313] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./259/cgroup" [pid 1599] setpgid(0, 0 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 1599] <... setpgid resumed>) = 0 [pid 313] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1599] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] getdents64(4 [pid 1599] <... symlink resumed>) = 0 [pid 312] close(3 [pid 1599] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 313] newfstatat(AT_FDCWD, "./264/config" [pid 312] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1599] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rmdir("./259" [pid 1599] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 311] close(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1599] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./260", 0777 [pid 1599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] openat(AT_FDCWD, "./264/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... mkdir resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1599] <... openat resumed>) = 3 [pid 313] <... openat resumed>) = 4 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rmdir("./255/config" [pid 1599] write(3, "1000", 4 [pid 313] fstat(4 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1600 attached [pid 1599] <... write resumed>) = 4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./252", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1600] set_robust_list(0x55555bb49760, 24 [pid 1599] close(3 [pid 313] getdents64(4 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 262 [pid 311] umount2("./255/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1600] <... set_robust_list resumed>) = 0 [pid 1599] <... close resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1600] rt_sigprocmask(SIG_SETMASK, [] [pid 1599] symlink("/dev/binderfs", "./binderfs" [pid 313] getdents64(4 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1600] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1599] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./255/binderfs" [pid 310] <... openat resumed>) = 3 [pid 1600] chdir("./260" [pid 1599] write(1, "executing program\n", 18 [pid 313] close(4 [pid 1600] <... chdir resumed>) = 0 [pid 1599] <... write resumed>) = 18 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 1600] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... close resumed>) = 0 executing program [pid 1600] <... prctl resumed>) = 0 [pid 1599] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] rmdir("./264/config" [pid 311] unlink("./255/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1600] setpgid(0, 0 [pid 1599] <... mkdirat resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 1600] <... setpgid resumed>) = 0 [pid 1599] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./264/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 1600] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1599] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./255/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1600] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./264/binderfs" [pid 1600] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1600] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1599] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] unlink("./264/binderfs" [pid 311] newfstatat(AT_FDCWD, "./255/cgroup.net" [pid 1599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1600] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1599] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1600] <... symlink resumed>) = 0 [pid 311] unlink("./255/cgroup.net" [pid 1599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./264/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 1599] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./255/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1600] <... openat resumed>) = 3 [pid 313] newfstatat(AT_FDCWD, "./264/cgroup.net" [pid 1600] write(3, "1000", 4 [pid 1599] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./252/config" [pid 1600] <... write resumed>) = 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1599] <... symlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1600] close(3 [pid 1599] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] unlink("./264/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./255/cgroup.cpu" [pid 310] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1600] <... close resumed>) = 0 [pid 1599] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1600] symlink("/dev/binderfs", "./binderfs" [pid 1599] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] umount2("./264/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./255/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1600] <... symlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./252/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./255/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1599] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 313] newfstatat(AT_FDCWD, "./264/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 1600] write(1, "executing program\n", 18 [pid 1599] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1600] <... write resumed>) = 18 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./264/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./255/cgroup" executing program [pid 1600] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(4 [pid 1599] close(4 [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1600] <... mkdirat resumed>) = 0 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./264/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./255/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1600] mount(NULL, "./config", "configfs", 0, NULL [pid 1599] close(5 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 1600] <... mount resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./264/cgroup" [pid 311] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1599] close(6 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 1600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./264/cgroup" [pid 311] close(3 [pid 1600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1599] close(7 [pid 310] <... close resumed>) = 0 [pid 1600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] rmdir("./252/config" [pid 1600] <... mkdirat resumed>) = 0 [pid 1599] close(8 [pid 313] getdents64(3 [pid 311] rmdir("./255" [pid 310] <... rmdir resumed>) = 0 [pid 1600] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./252/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1600] <... symlinkat resumed>) = 0 [pid 1599] close(9 [pid 313] close(3 [pid 311] mkdir("./256", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1600] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... close resumed>) = 0 [pid 1599] close(10 [pid 311] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./252/binderfs" [pid 1600] <... unlinkat resumed>) = 0 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./264" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1600] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1599] close(11 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 1600] <... unlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1600] close(3 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./265", 0777 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] unlink("./252/binderfs" [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(12 [pid 313] <... mkdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1601 attached [pid 1601] set_robust_list(0x55555bb49760, 24 [pid 1600] close(4 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 258 [pid 310] <... unlink resumed>) = 0 [pid 1601] <... set_robust_list resumed>) = 0 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(13 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1601] rt_sigprocmask(SIG_SETMASK, [] [pid 1600] close(5 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./252/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(14 [pid 1601] chdir("./256") = 0 [pid 1601] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 1602 attached ) = 0 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1600] close(6 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1602] set_robust_list(0x55555bb49760, 24 [pid 1601] setpgid(0, 0 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(15 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 267 [pid 310] newfstatat(AT_FDCWD, "./252/cgroup.net" [pid 1602] <... set_robust_list resumed>) = 0 [pid 1601] <... setpgid resumed>) = 0 [pid 1600] close(7 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1602] rt_sigprocmask(SIG_SETMASK, [] [pid 1601] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(16 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1601] <... symlink resumed>) = 0 [pid 1600] close(8 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./252/cgroup.net" [pid 1602] chdir("./265" [pid 1601] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1602] <... chdir resumed>) = 0 [pid 1601] <... symlink resumed>) = 0 [pid 1602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1601] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(17 [pid 310] <... unlink resumed>) = 0 [pid 1602] <... prctl resumed>) = 0 [pid 1601] <... symlink resumed>) = 0 [pid 1600] close(9 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./252/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1602] setpgid(0, 0 [pid 1601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(18 [pid 1602] <... setpgid resumed>) = 0 [pid 1601] <... openat resumed>) = 3 [pid 1600] close(10 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1602] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1601] write(3, "1000", 4 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(19 [pid 310] newfstatat(AT_FDCWD, "./252/cgroup.cpu" [pid 1602] <... symlink resumed>) = 0 [pid 1601] <... write resumed>) = 4 [pid 1600] close(11 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1602] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1601] close(3 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(20 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1602] <... symlink resumed>) = 0 [pid 1601] <... close resumed>) = 0 [pid 1600] close(12 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./252/cgroup.cpu" [pid 1602] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1601] symlink("/dev/binderfs", "./binderfs" [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(21 [pid 1602] <... symlink resumed>) = 0 [pid 1601] <... symlink resumed>) = 0 [pid 1600] close(13 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 1601] write(1, "executing program\n", 18 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(22 [pid 310] umount2("./252/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1602] <... openat resumed>) = 3 [pid 1601] <... write resumed>) = 18 [pid 1600] close(14 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1602] write(3, "1000", 4 [pid 1601] mkdirat(AT_FDCWD, "./config", 0777 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(23 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1602] <... write resumed>) = 4 [pid 1601] <... mkdirat resumed>) = 0 [pid 1600] close(15 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./252/cgroup" [pid 1602] close(3 [pid 1601] mount(NULL, "./config", "configfs", 0, NULL [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(24 [pid 1602] <... close resumed>) = 0 [pid 1601] <... mount resumed>) = 0 [pid 1600] close(16 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1602] symlink("/dev/binderfs", "./binderfs" [pid 1601] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(25 [pid 310] unlink("./252/cgroup" [pid 1602] <... symlink resumed>) = 0 [pid 1601] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1600] close(17 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1602] write(1, "executing program\n", 18 executing program [pid 1601] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(26 [pid 310] <... unlink resumed>) = 0 [pid 1602] <... write resumed>) = 18 [pid 1601] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1600] close(18 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1602] mkdirat(AT_FDCWD, "./config", 0777 [pid 1601] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(27 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1602] <... mkdirat resumed>) = 0 [pid 1602] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1601] <... mkdirat resumed>) = 0 [pid 1600] close(19 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 1602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1601] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(28 [pid 1602] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1601] <... symlinkat resumed>) = 0 [pid 1600] close(20 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1601] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1599] close(29 [pid 310] rmdir("./252" [pid 1602] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1601] <... unlinkat resumed>) = 0 [pid 1600] close(21 [pid 1599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1601] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1602] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1599] exit_group(0 [pid 1602] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 ENOENT (No such file or directory) [pid 1601] <... unlinkat resumed>) = 0 [pid 1600] close(22 [pid 1599] <... exit_group resumed>) = ? [pid 310] mkdir("./253", 0777 [pid 1602] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1601] close(3 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1602] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1602] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 1602] close(3) = -1 EBADF (Bad file descriptor) [pid 1602] close(4 [pid 1599] +++ exited with 0 +++ [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1602] close(5 [pid 310] <... mkdir resumed>) = 0 [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1600] close(23 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1602] close(6 [pid 1601] close(4 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1600] close(24 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1602] close(7 [pid 1601] close(5 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1602] close(8) = -1 EBADF (Bad file descriptor) [pid 1602] close(9) = -1 EBADF (Bad file descriptor) [pid 1602] close(10) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1603 attached [pid 1602] close(11 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1600] close(25 [pid 1603] set_robust_list(0x55555bb49760, 24 [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(6 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 255 [pid 1603] <... set_robust_list resumed>) = 0 [pid 1602] close(12 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1600] close(26 [pid 1603] rt_sigprocmask(SIG_SETMASK, [] [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(7 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1602] close(13 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1600] close(27 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1603] chdir("./253" [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(8 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] <... chdir resumed>) = 0 [pid 1602] close(14 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1600] close(28 [pid 1603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(9 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] <... prctl resumed>) = 0 [pid 1602] close(15 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1600] close(29 [pid 1603] setpgid(0, 0 [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(10 [pid 1600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] <... setpgid resumed>) = 0 [pid 1602] close(16 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(11 [pid 1600] exit_group(0 [pid 1603] <... symlink resumed>) = 0 [pid 1602] close(17 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1600] <... exit_group resumed>) = ? [pid 1603] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(12 [pid 1603] <... symlink resumed>) = 0 [pid 1602] close(18 [pid 1603] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] <... symlink resumed>) = 0 [pid 1602] close(19 [pid 1600] +++ exited with 0 +++ [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(13 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1603] <... openat resumed>) = 3 [pid 1602] close(20 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1603] write(3, "1000", 4 [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(14 [pid 1603] <... write resumed>) = 4 [pid 1602] close(21 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] close(3 [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] <... close resumed>) = 0 [pid 1602] close(22 [pid 1601] close(15 [pid 1603] symlink("/dev/binderfs", "./binderfs" [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] <... symlink resumed>) = 0 [pid 1602] close(23 [pid 1601] close(16 [pid 1603] write(1, "executing program\n", 18 [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] <... write resumed>) = 18 executing program [pid 1602] close(24 [pid 1603] mkdirat(AT_FDCWD, "./config", 0777 [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(17 [pid 1603] <... mkdirat resumed>) = 0 [pid 1602] close(25 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] mount(NULL, "./config", "configfs", 0, NULL [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(18 [pid 1603] <... mount resumed>) = 0 [pid 1602] close(26 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(19 [pid 1603] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1602] close(27 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(20 [pid 1603] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1602] close(28 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(21 [pid 1603] <... mkdirat resumed>) = 0 [pid 1602] close(29 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] close(22 [pid 1603] <... symlinkat resumed>) = 0 [pid 1602] exit_group(0 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1602] <... exit_group resumed>) = ? [pid 1601] close(23 [pid 1603] <... unlinkat resumed>) = 0 [pid 1602] +++ exited with 0 +++ [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... restart_syscall resumed>) = 0 [pid 1603] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1601] close(24 [pid 1603] <... unlinkat resumed>) = 0 [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1603] close(3 [pid 1601] close(25 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./250", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1603] close(4 [pid 1601] close(26 [pid 309] <... openat resumed>) = 3 [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1603] close(5 [pid 1601] close(27 [pid 309] getdents64(3 [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1603] close(6 [pid 1601] close(28 [pid 309] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 1603] close(7 [pid 1601] close(29 [pid 309] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1603] close(8 [pid 309] newfstatat(AT_FDCWD, "./250/config" [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1601] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1603] close(9 [pid 1601] <... exit_group resumed>) = ? [pid 309] umount2("./250/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./250/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] getdents64(4 [pid 1601] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1603] close(10 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1603] close(11 [pid 313] umount2("./265", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1603] close(12 [pid 313] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./250/config" [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 1603] close(13 [pid 313] fstat(3 [pid 309] umount2("./250/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] umount2("./260", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1603] close(14 [pid 313] getdents64(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./250/binderfs" [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1603] close(15 [pid 313] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./250/binderfs" [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 1603] close(16 [pid 313] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(3 [pid 309] umount2("./250/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1603] close(17 [pid 313] newfstatat(AT_FDCWD, "./265/config" [pid 312] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./250/cgroup.net" [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1603] close(18 [pid 313] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./250/cgroup.net" [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1603] close(19 [pid 313] openat(AT_FDCWD, "./265/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./250/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1603] close(20 [pid 313] fstat(4 [pid 312] newfstatat(AT_FDCWD, "./260/config" [pid 309] newfstatat(AT_FDCWD, "./250/cgroup.cpu" [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1603] close(21 [pid 313] getdents64(4 [pid 312] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./250/cgroup.cpu" [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 312] openat(AT_FDCWD, "./260/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./250/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1603] close(22 [pid 313] getdents64(4 [pid 312] <... openat resumed>) = 4 [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] fstat(4 [pid 309] newfstatat(AT_FDCWD, "./250/cgroup" [pid 1603] close(23 [pid 313] close(4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] getdents64(4 [pid 309] unlink("./250/cgroup" [pid 1603] close(24 [pid 313] rmdir("./265/config" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... unlink resumed>) = 0 [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 309] getdents64(3 [pid 1603] close(25 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./265/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(4 [pid 309] close(3 [pid 1603] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./265/binderfs" [pid 312] rmdir("./260/config" [pid 309] rmdir("./250" [pid 1603] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./265/binderfs" [pid 312] umount2("./260/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./251", 0777 [pid 1603] close(28 [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./265/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./260/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1603] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./265/cgroup.net" [pid 312] unlink("./260/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1603] exit_group(0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1604 attached [pid 1603] <... exit_group resumed>) = ? [pid 313] unlink("./265/cgroup.net" [pid 312] umount2("./260/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 253 [pid 1604] set_robust_list(0x55555bb49760, 24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 312] newfstatat(AT_FDCWD, "./260/cgroup.net" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1603] +++ exited with 0 +++ [pid 312] unlink("./260/cgroup.net" [pid 1604] <... set_robust_list resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1604] rt_sigprocmask(SIG_SETMASK, [] [pid 313] umount2("./265/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./260/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1604] chdir("./251" [pid 313] newfstatat(AT_FDCWD, "./265/cgroup.cpu" [pid 312] newfstatat(AT_FDCWD, "./260/cgroup.cpu" [pid 311] umount2("./256", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1604] <... chdir resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] unlink("./265/cgroup.cpu" [pid 312] unlink("./260/cgroup.cpu" [pid 311] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1604] <... prctl resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 1604] setpgid(0, 0 [pid 313] umount2("./265/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./260/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(3 [pid 1604] <... setpgid resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1604] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 313] newfstatat(AT_FDCWD, "./265/cgroup" [pid 312] newfstatat(AT_FDCWD, "./260/cgroup" [pid 311] getdents64(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 1604] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1604] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 313] unlink("./265/cgroup" [pid 312] unlink("./260/cgroup" [pid 311] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1604] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] umount2("./253", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1604] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] getdents64(3 [pid 312] getdents64(3 [pid 311] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1604] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] close(3 [pid 312] close(3 [pid 311] newfstatat(AT_FDCWD, "./256/config" [pid 310] <... openat resumed>) = 3 [pid 1604] <... openat resumed>) = 3 [pid 312] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 1604] write(3, "1000", 4 [pid 313] <... close resumed>) = 0 [pid 312] rmdir("./260" [pid 311] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1604] <... write resumed>) = 4 [pid 313] rmdir("./265" [pid 312] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1604] close(3 [pid 312] mkdir("./261", 0777 [pid 311] openat(AT_FDCWD, "./256/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... rmdir resumed>) = 0 [pid 1604] <... close resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1604] symlink("/dev/binderfs", "./binderfs" [pid 313] mkdir("./266", 0777 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = 0 [pid 1604] <... symlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 310] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1604] write(1, "executing program\n", 18 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1605 attached [pid 1604] <... write resumed>) = 18 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./253/config" [pid 1605] set_robust_list(0x55555bb49760, 24 [pid 1604] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 263 [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1605] <... set_robust_list resumed>) = 0 [pid 1604] <... mkdirat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./253/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1606 attached [pid 1605] rt_sigprocmask(SIG_SETMASK, [] [pid 1604] mount(NULL, "./config", "configfs", 0, NULL [pid 311] rmdir("./256/config" [pid 310] <... openat resumed>) = 4 [pid 1606] set_robust_list(0x55555bb49760, 24 [pid 1605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] fstat(4 [pid 1606] <... set_robust_list resumed>) = 0 [pid 1604] <... mount resumed>) = 0 [pid 311] umount2("./256/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1605] chdir("./261" [pid 1606] rt_sigprocmask(SIG_SETMASK, [] [pid 1604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 268 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1605] <... chdir resumed>) = 0 [pid 1604] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] newfstatat(AT_FDCWD, "./256/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1606] chdir("./266" [pid 1605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 1606] <... chdir resumed>) = 0 [pid 1605] <... prctl resumed>) = 0 [pid 1604] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] unlink("./256/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1605] setpgid(0, 0 [pid 1604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... unlink resumed>) = 0 [pid 310] close(4 [pid 1606] <... prctl resumed>) = 0 [pid 1605] <... setpgid resumed>) = 0 [pid 311] umount2("./256/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1606] setpgid(0, 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./253/config" [pid 1606] <... setpgid resumed>) = 0 [pid 1605] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1604] <... mkdirat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./256/cgroup.net" [pid 310] <... rmdir resumed>) = 0 [pid 1606] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./253/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1606] <... symlink resumed>) = 0 [pid 1605] <... symlink resumed>) = 0 [pid 1604] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] unlink("./256/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1606] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1605] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./253/binderfs" [pid 1606] <... symlink resumed>) = 0 [pid 1604] <... symlinkat resumed>) = 0 [pid 311] umount2("./256/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1606] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1605] <... symlink resumed>) = 0 [pid 1604] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./253/binderfs" [pid 1606] <... symlink resumed>) = 0 [pid 1605] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1604] <... unlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./256/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 1606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1605] <... symlink resumed>) = 0 [pid 1604] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./253/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1606] <... openat resumed>) = 3 [pid 1605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] unlink("./256/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1606] write(3, "1000", 4 [pid 1604] <... unlinkat resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./253/cgroup.net" [pid 1606] <... write resumed>) = 4 [pid 1605] <... openat resumed>) = 3 [pid 1604] close(3 [pid 311] umount2("./256/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1606] close(3 [pid 1605] write(3, "1000", 4 [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./253/cgroup.net" [pid 1606] <... close resumed>) = 0 [pid 1605] <... write resumed>) = 4 [pid 1604] close(4 [pid 311] newfstatat(AT_FDCWD, "./256/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 1606] symlink("/dev/binderfs", "./binderfs" [pid 1605] close(3 [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./253/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1606] <... symlink resumed>) = 0 [pid 1605] <... close resumed>) = 0 [pid 1604] close(5 [pid 311] unlink("./256/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1606] write(1, "executing program\n", 18 [pid 1605] symlink("/dev/binderfs", "./binderfs" [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./253/cgroup.cpu" [pid 1606] <... write resumed>) = 18 executing program [pid 1605] <... symlink resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1606] mkdirat(AT_FDCWD, "./config", 0777 [pid 1605] write(1, "executing program\n", 18 [pid 1604] close(6 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] unlink("./253/cgroup.cpu" [pid 311] close(3 [pid 310] <... unlink resumed>) = 0 executing program [pid 1606] <... mkdirat resumed>) = 0 [pid 1605] <... write resumed>) = 18 [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] umount2("./253/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1606] mount(NULL, "./config", "configfs", 0, NULL [pid 1605] mkdirat(AT_FDCWD, "./config", 0777 [pid 1604] close(7 [pid 311] rmdir("./256" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1606] <... mount resumed>) = 0 [pid 1605] <... mkdirat resumed>) = 0 [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./253/cgroup" [pid 1606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1605] mount(NULL, "./config", "configfs", 0, NULL [pid 1604] close(8 [pid 311] mkdir("./257", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1606] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1605] <... mount resumed>) = 0 [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 310] unlink("./253/cgroup" [pid 1606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1604] close(9 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(3 [pid 1606] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1605] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1607 attached [pid 1606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1604] close(10 [pid 310] close(3 [pid 1607] set_robust_list(0x55555bb49760, 24 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 259 [pid 310] <... close resumed>) = 0 [pid 1607] <... set_robust_list resumed>) = 0 [pid 1606] <... mkdirat resumed>) = 0 [pid 1605] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./253" [pid 1607] rt_sigprocmask(SIG_SETMASK, [] [pid 1606] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1604] close(11 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1607] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1606] <... symlinkat resumed>) = 0 [pid 1605] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./254", 0777 [pid 1607] chdir("./257" [pid 1606] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1605] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1604] close(12 [pid 310] <... mkdir resumed>) = 0 [pid 1607] <... chdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1606] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1606] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1605] <... symlinkat resumed>) = 0 [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1608 attached [pid 1607] <... prctl resumed>) = 0 [pid 1606] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1605] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1604] close(13 [pid 1608] set_robust_list(0x55555bb49760, 24 [pid 1607] setpgid(0, 0 [pid 1606] close(3 [pid 1605] <... unlinkat resumed>) = 0 [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... set_robust_list resumed>) = 0 [pid 1607] <... setpgid resumed>) = 0 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1604] close(14 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 256 [pid 1608] rt_sigprocmask(SIG_SETMASK, [] [pid 1607] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1606] close(4 [pid 1605] <... unlinkat resumed>) = 0 [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1608] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1607] <... symlink resumed>) = 0 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(3 [pid 1604] close(15 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1608] chdir("./254" [pid 1607] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1606] close(5 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... chdir resumed>) = 0 [pid 1607] <... symlink resumed>) = 0 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(4 [pid 1604] close(16 [pid 1608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1607] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1606] close(6 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... prctl resumed>) = 0 [pid 1607] <... symlink resumed>) = 0 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(5 [pid 1604] close(17 [pid 1608] setpgid(0, 0 [pid 1607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1606] close(7 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... setpgid resumed>) = 0 [pid 1607] <... openat resumed>) = 3 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(6 [pid 1604] close(18 [pid 1608] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1607] write(3, "1000", 4 [pid 1606] close(8 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... symlink resumed>) = 0 [pid 1607] <... write resumed>) = 4 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(7 [pid 1604] close(19 [pid 1608] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1607] close(3 [pid 1606] close(9 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... symlink resumed>) = 0 [pid 1607] <... close resumed>) = 0 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(8 [pid 1604] close(20 [pid 1608] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1607] symlink("/dev/binderfs", "./binderfs" [pid 1606] close(10 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... symlink resumed>) = 0 [pid 1607] <... symlink resumed>) = 0 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(9 [pid 1604] close(21 [pid 1608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1607] write(1, "executing program\n", 18 [pid 1606] close(11 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1608] <... openat resumed>) = 3 [pid 1607] <... write resumed>) = 18 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(10 [pid 1604] close(22 [pid 1608] write(3, "1000", 4 [pid 1607] mkdirat(AT_FDCWD, "./config", 0777 [pid 1606] close(12 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... write resumed>) = 4 [pid 1607] <... mkdirat resumed>) = 0 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(11 [pid 1604] close(23 [pid 1608] close(3 [pid 1607] mount(NULL, "./config", "configfs", 0, NULL [pid 1606] close(13 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... close resumed>) = 0 [pid 1607] <... mount resumed>) = 0 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(12 [pid 1604] close(24 [pid 1608] symlink("/dev/binderfs", "./binderfs" [pid 1607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1606] close(14 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... symlink resumed>) = 0 [pid 1607] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(13 [pid 1604] close(25 [pid 1608] write(1, "executing program\n", 18 [pid 1607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1606] close(15 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... write resumed>) = 18 [pid 1607] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(14 [pid 1604] close(26 [pid 1608] mkdirat(AT_FDCWD, "./config", 0777 [pid 1607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1606] close(16 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... mkdirat resumed>) = 0 [pid 1607] <... mkdirat resumed>) = 0 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(15 [pid 1604] close(27 [pid 1608] mount(NULL, "./config", "configfs", 0, NULL [pid 1607] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1606] close(17 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... mount resumed>) = 0 [pid 1607] <... symlinkat resumed>) = 0 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(16 [pid 1604] close(28 [pid 1608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1607] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1606] close(18 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1607] <... unlinkat resumed>) = 0 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(17 [pid 1604] close(29 [pid 1608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1607] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1606] close(19 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1607] <... unlinkat resumed>) = 0 [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(18 [pid 1604] exit_group(0 [pid 1608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1607] close(3 [pid 1606] close(20 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1604] <... exit_group resumed>) = ? [pid 1608] <... mkdirat resumed>) = 0 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(19 [pid 1604] +++ exited with 0 +++ [pid 1608] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1607] close(4 [pid 1606] close(21 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... symlinkat resumed>) = 0 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(20 [pid 1608] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1607] close(5 [pid 1606] close(22 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1608] <... unlinkat resumed>) = 0 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(21 [pid 1608] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1607] close(6 [pid 1606] close(23 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1608] <... unlinkat resumed>) = 0 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(22 [pid 1608] close(3 [pid 1607] close(7 [pid 1606] close(24 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(23 [pid 1608] close(4 [pid 1607] close(8 [pid 1606] close(25 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(24 [pid 1608] close(5 [pid 1607] close(9 [pid 1606] close(26 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(25 [pid 1608] close(6 [pid 1607] close(10 [pid 1606] close(27 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... restart_syscall resumed>) = 0 [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(26 [pid 1608] close(7 [pid 1607] close(11 [pid 1606] close(28 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(27 [pid 1608] close(8 [pid 1607] close(12 [pid 1606] close(29 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./251", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] close(28 [pid 1608] close(9 [pid 1607] close(13 [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1606] exit_group(0 [pid 1605] close(29 [pid 1608] close(10 [pid 1607] close(14 [pid 1606] <... exit_group resumed>) = ? [pid 1605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1605] exit_group(0 [pid 1607] close(15 [pid 1605] <... exit_group resumed>) = ? [pid 1608] close(11 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1606] +++ exited with 0 +++ [pid 1605] +++ exited with 0 +++ [pid 309] <... openat resumed>) = 3 [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(16 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(3 [pid 1608] close(12 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(17 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1608] close(13 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(18 [pid 1608] close(14 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(19 [pid 309] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1608] close(15 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(20 [pid 309] <... umount2 resumed>) = 0 [pid 1608] close(16 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(21 [pid 1608] close(17 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(22 [pid 309] newfstatat(AT_FDCWD, "./251/config" [pid 1608] close(18 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(23 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1608] close(19 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(24 [pid 309] umount2("./251/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1608] close(20 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(25 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1608] close(21 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./251/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(26 [pid 1608] close(22 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(27 [pid 309] fstat(4 [pid 1608] close(23 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(28 [pid 1608] close(24 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] close(29 [pid 1608] close(25 [pid 1607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] exit_group(0 [pid 1608] close(26 [pid 1607] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1607] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1608] close(27 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(4 [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] close(28 [pid 309] <... close resumed>) = 0 [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1608] close(29 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./251/config" [pid 1608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./257", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1608] exit_group(0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./251/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1608] <... exit_group resumed>) = ? [pid 312] umount2("./261", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1608] +++ exited with 0 +++ [pid 309] newfstatat(AT_FDCWD, "./251/binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... openat resumed>) = 3 [pid 311] getdents64(3 [pid 309] unlink("./251/binderfs" [pid 312] fstat(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... unlink resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./251/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./251/cgroup.net" [pid 313] umount2("./266", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./251/cgroup.net" [pid 313] <... openat resumed>) = 3 [pid 312] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./257/config" [pid 309] <... unlink resumed>) = 0 [pid 313] fstat(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./254", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./261/config" [pid 309] umount2("./251/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./257/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./251/cgroup.cpu" [pid 312] openat(AT_FDCWD, "./261/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 311] <... openat resumed>) = 4 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(4 [pid 311] fstat(4 [pid 310] fstat(3 [pid 309] unlink("./251/cgroup.cpu" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./266/config" [pid 312] getdents64(4 [pid 311] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./251/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 311] getdents64(4 [pid 310] getdents64(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] openat(AT_FDCWD, "./266/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] close(4 [pid 311] close(4 [pid 310] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./251/cgroup" [pid 313] <... openat resumed>) = 4 [pid 312] <... close resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 313] fstat(4 [pid 312] rmdir("./261/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] rmdir("./257/config" [pid 309] unlink("./251/cgroup" [pid 313] getdents64(4 [pid 312] umount2("./261/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./257/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./254/config" [pid 309] getdents64(3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] newfstatat(AT_FDCWD, "./261/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] close(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./257/binderfs" [pid 310] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 313] <... close resumed>) = 0 [pid 312] unlink("./261/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] rmdir("./266/config" [pid 312] <... unlink resumed>) = 0 [pid 311] unlink("./257/binderfs" [pid 310] openat(AT_FDCWD, "./254/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 313] umount2("./266/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./261/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 311] umount2("./257/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./251" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 313] newfstatat(AT_FDCWD, "./266/binderfs" [pid 312] newfstatat(AT_FDCWD, "./261/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./257/cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] mkdir("./252", 0777 [pid 313] unlink("./266/binderfs" [pid 312] unlink("./261/cgroup.net" [pid 311] unlink("./257/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... unlink resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 312] umount2("./261/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./266/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./257/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] newfstatat(AT_FDCWD, "./266/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./261/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./257/cgroup.cpu" [pid 310] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./254/config"ci2-android-5-15/strace-static-x86_64: Process 1609 attached [pid 313] unlink("./266/cgroup.net" [pid 1609] set_robust_list(0x55555bb49760, 24 [pid 312] unlink("./261/cgroup.cpu" [pid 311] unlink("./257/cgroup.cpu" [pid 310] <... rmdir resumed>) = 0 [pid 1609] <... set_robust_list resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 254 [pid 1609] rt_sigprocmask(SIG_SETMASK, [] [pid 313] umount2("./266/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./254/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./261/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./257/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1609] chdir("./252" [pid 313] newfstatat(AT_FDCWD, "./266/cgroup.cpu" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./254/binderfs" [pid 1609] <... chdir resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./261/cgroup" [pid 311] newfstatat(AT_FDCWD, "./257/cgroup" [pid 1609] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] unlink("./266/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1609] <... prctl resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./261/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./254/binderfs" [pid 1609] setpgid(0, 0 [pid 313] umount2("./266/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] unlink("./257/cgroup" [pid 1609] <... setpgid resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 1609] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 313] newfstatat(AT_FDCWD, "./266/cgroup" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./254/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1609] <... symlink resumed>) = 0 [pid 1609] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 1609] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] close(3 [pid 1609] <... symlink resumed>) = 0 [pid 313] unlink("./266/cgroup" [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... unlink resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 1609] <... openat resumed>) = 3 [pid 313] getdents64(3 [pid 312] rmdir("./261" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./254/cgroup.net" [pid 1609] write(3, "1000", 4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] close(3 [pid 1609] <... write resumed>) = 4 [pid 313] close(3 [pid 312] mkdir("./262", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1609] close(3 [pid 313] <... close resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./254/cgroup.net" [pid 1609] <... close resumed>) = 0 [pid 313] rmdir("./266" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rmdir("./257" [pid 1609] symlink("/dev/binderfs", "./binderfs" [pid 313] <... rmdir resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1609] <... symlink resumed>) = 0 [pid 313] mkdir("./267", 0777 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] mkdir("./258", 0777 [pid 310] umount2("./254/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1609] write(1, "executing program\n", 18 [pid 313] <... mkdir resumed>) = 0 [pid 1609] <... write resumed>) = 18 [pid 1609] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1609] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1610 attached executing program ) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1610] set_robust_list(0x55555bb49760, 24 [pid 1609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 264 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./254/cgroup.cpu" [pid 1610] <... set_robust_list resumed>) = 0 [pid 1609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1610] rt_sigprocmask(SIG_SETMASK, [] [pid 1609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1610] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1610] chdir("./262") = 0 ci2-android-5-15/strace-static-x86_64: Process 1611 attached [pid 1610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] unlink("./254/cgroup.cpu" [pid 1611] set_robust_list(0x55555bb49760, 24 [pid 1610] <... prctl resumed>) = 0 [pid 1609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 269 [pid 1610] setpgid(0, 0) = 0 [pid 1610] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 ci2-android-5-15/strace-static-x86_64: Process 1612 attached [pid 1610] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... unlink resumed>) = 0 [pid 1612] set_robust_list(0x55555bb49760, 24 [pid 1611] <... set_robust_list resumed>) = 0 [pid 1610] <... symlink resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 260 [pid 1612] <... set_robust_list resumed>) = 0 [pid 1610] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1609] <... mkdirat resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./254/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1612] rt_sigprocmask(SIG_SETMASK, [] [pid 1611] rt_sigprocmask(SIG_SETMASK, [] [pid 1610] <... symlink resumed>) = 0 [pid 1609] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1611] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1612] chdir("./258" [pid 1611] chdir("./267" [pid 1610] <... openat resumed>) = 3 [pid 1609] <... symlinkat resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./254/cgroup" [pid 1612] <... chdir resumed>) = 0 [pid 1611] <... chdir resumed>) = 0 [pid 1610] write(3, "1000", 4 [pid 1609] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1610] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1612] <... prctl resumed>) = 0 [pid 1611] <... prctl resumed>) = 0 [pid 1610] close(3 [pid 1609] <... unlinkat resumed>) = 0 [pid 310] unlink("./254/cgroup" [pid 1612] setpgid(0, 0 [pid 1611] setpgid(0, 0 [pid 1610] <... close resumed>) = 0 [pid 1612] <... setpgid resumed>) = 0 [pid 1610] symlink("/dev/binderfs", "./binderfs" [pid 1612] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1610] <... symlink resumed>) = 0 [pid 1612] <... symlink resumed>) = 0 [pid 1611] <... setpgid resumed>) = 0 [pid 1610] write(1, "executing program\n", 18 [pid 1609] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 executing program [pid 1612] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1611] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1610] <... write resumed>) = 18 [pid 1612] <... symlink resumed>) = 0 [pid 1611] <... symlink resumed>) = 0 [pid 1610] mkdirat(AT_FDCWD, "./config", 0777 [pid 1609] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 1612] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1611] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1610] <... mkdirat resumed>) = 0 [pid 1609] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1612] <... symlink resumed>) = 0 [pid 1611] <... symlink resumed>) = 0 [pid 1610] mount(NULL, "./config", "configfs", 0, NULL [pid 1612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1611] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1610] <... mount resumed>) = 0 [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 1612] <... openat resumed>) = 3 [pid 1611] <... symlink resumed>) = 0 [pid 1610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1609] close(4 [pid 1612] write(3, "1000", 4 [pid 1611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1610] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1612] <... write resumed>) = 4 [pid 1610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1612] close(3 [pid 1611] <... openat resumed>) = 3 [pid 1610] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1609] close(5 [pid 310] rmdir("./254" [pid 1612] <... close resumed>) = 0 [pid 1611] write(3, "1000", 4 [pid 1610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] symlink("/dev/binderfs", "./binderfs" [pid 1611] <... write resumed>) = 4 [pid 1610] <... mkdirat resumed>) = 0 [pid 1609] close(6 [pid 310] <... rmdir resumed>) = 0 [pid 1612] <... symlink resumed>) = 0 [pid 1611] close(3 [pid 1610] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] write(1, "executing program\n", 18 [pid 1611] <... close resumed>) = 0 executing program [pid 1610] <... symlinkat resumed>) = 0 [pid 1609] close(7 [pid 310] mkdir("./255", 0777 [pid 1612] <... write resumed>) = 18 [pid 1611] symlink("/dev/binderfs", "./binderfs" [pid 1610] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] mkdirat(AT_FDCWD, "./config", 0777 [pid 1611] <... symlink resumed>) = 0 [pid 1610] <... unlinkat resumed>) = 0 [pid 1609] close(8 [pid 310] <... mkdir resumed>) = 0 [pid 1612] <... mkdirat resumed>) = 0 [pid 1611] write(1, "executing program\n", 18 executing program [pid 1610] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1612] mount(NULL, "./config", "configfs", 0, NULL [pid 1611] <... write resumed>) = 18 [pid 1610] <... unlinkat resumed>) = 0 [pid 1609] close(9 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1612] <... mount resumed>) = 0 [pid 1611] mkdirat(AT_FDCWD, "./config", 0777 [pid 1610] close(3 [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1611] <... mkdirat resumed>) = 0 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1610] close(4 [pid 1609] close(10 [pid 1612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1610] close(5ci2-android-5-15/strace-static-x86_64: Process 1613 attached [pid 1612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] <... mkdirat resumed>) = 0 [pid 1611] mount(NULL, "./config", "configfs", 0, NULL [pid 1610] close(6 [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 257 [pid 1613] set_robust_list(0x55555bb49760, 24 [pid 1612] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1611] <... mount resumed>) = 0 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] close(11 [pid 1613] <... set_robust_list resumed>) = 0 [pid 1612] <... symlinkat resumed>) = 0 [pid 1611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1610] close(7 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1613] rt_sigprocmask(SIG_SETMASK, [] [pid 1612] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1612] <... unlinkat resumed>) = 0 [pid 1611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1610] close(8 [pid 1609] close(12 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1613] chdir("./255" [pid 1612] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] <... chdir resumed>) = 0 [pid 1612] <... unlinkat resumed>) = 0 [pid 1611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1610] close(9 [pid 1609] close(13 [pid 1613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1612] close(3 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] <... prctl resumed>) = 0 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... mkdirat resumed>) = 0 [pid 1610] close(10 [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] setpgid(0, 0 [pid 1612] close(4 [pid 1611] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] close(14 [pid 1613] <... setpgid resumed>) = 0 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] close(11 [pid 1613] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1612] close(5 [pid 1611] <... symlinkat resumed>) = 0 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] <... symlink resumed>) = 0 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1610] close(12 [pid 1609] close(15 [pid 1613] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1612] close(6 [pid 1611] <... unlinkat resumed>) = 0 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] <... symlink resumed>) = 0 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1610] close(13 [pid 1609] close(16 [pid 1613] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1612] close(7 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... unlinkat resumed>) = 0 [pid 1610] close(14 [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] <... symlink resumed>) = 0 [pid 1612] close(8 [pid 1611] close(3 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] close(17 [pid 1613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] close(15 [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] <... openat resumed>) = 3 [pid 1612] close(9 [pid 1611] close(4 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] close(18 [pid 1613] write(3, "1000", 4 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] close(16 [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] <... write resumed>) = 4 [pid 1612] close(10 [pid 1611] close(5 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] close(19 [pid 1613] close(3 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] close(17 [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] <... close resumed>) = 0 [pid 1612] close(11 [pid 1611] close(6 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] symlink("/dev/binderfs", "./binderfs" [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] close(18 [pid 1609] close(20 [pid 1613] <... symlink resumed>) = 0 [pid 1612] close(12 [pid 1611] close(7 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] write(1, "executing program\n", 18 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] close(19 [pid 1609] close(21 [pid 1613] <... write resumed>) = 18 [pid 1612] close(13 [pid 1611] close(8 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] mkdirat(AT_FDCWD, "./config", 0777 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] close(20 [pid 1609] close(22 [pid 1613] <... mkdirat resumed>) = 0 [pid 1612] close(14 [pid 1611] close(9 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] mount(NULL, "./config", "configfs", 0, NULL [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] close(21 [pid 1609] close(23 [pid 1613] <... mount resumed>) = 0 [pid 1612] close(15 [pid 1611] close(10 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] close(22 [pid 1609] close(24 [pid 1613] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1612] close(16 [pid 1611] close(11 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] close(23 [pid 1609] close(25 [pid 1613] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1612] close(17 [pid 1611] close(12 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] close(24 [pid 1609] close(26 [pid 1612] close(18 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] <... mkdirat resumed>) = 0 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] close(13 [pid 1610] close(25 [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1612] close(19 [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] close(27 [pid 1613] <... symlinkat resumed>) = 0 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] close(14 [pid 1610] close(26 [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1612] close(20 [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] close(28 [pid 1613] <... unlinkat resumed>) = 0 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] close(15 [pid 1610] close(27 [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1612] close(21 [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] close(29 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] close(28 [pid 1613] <... unlinkat resumed>) = 0 [pid 1612] close(22 [pid 1611] close(16 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] close(3 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] close(29 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] close(23 [pid 1611] close(17 [pid 1610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1609] exit_group(0 [pid 1613] close(4 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] exit_group(0 [pid 1609] <... exit_group resumed>) = ? [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] close(24 [pid 1611] close(18 [pid 1610] <... exit_group resumed>) = ? [pid 1613] close(5 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1610] +++ exited with 0 +++ [pid 1609] +++ exited with 0 +++ [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] close(25 [pid 1613] close(6 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] close(19 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] close(26 [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1613] close(7 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] close(20 [pid 312] <... restart_syscall resumed>) = 0 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] close(27 [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] close(8 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] close(21 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] close(28 [pid 1613] close(9 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./262", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] close(29 [pid 1611] close(22 [pid 1613] close(10 [pid 1612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] exit_group(0 [pid 1611] close(23 [pid 1613] close(11 [pid 1612] <... exit_group resumed>) = ? [pid 312] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1612] +++ exited with 0 +++ [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1613] close(12 [pid 1611] close(24 [pid 312] <... openat resumed>) = 3 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1613] close(13 [pid 1611] close(25 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1613] close(14 [pid 1611] close(26 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1613] close(15 [pid 1611] close(27 [pid 311] umount2("./258", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1613] close(16 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] close(28 [pid 312] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1613] close(17 [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1613] close(18 [pid 1611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./262/config" [pid 311] <... openat resumed>) = 3 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1611] exit_group(0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 1613] close(19 [pid 1611] <... exit_group resumed>) = ? [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1611] +++ exited with 0 +++ [pid 1613] close(20 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./262/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1613] close(21 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... openat resumed>) = 4 [pid 311] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1613] close(22 [pid 312] fstat(4 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1613] close(23 [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = 0 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1613] close(24 [pid 312] getdents64(4 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1613] close(25 [pid 311] newfstatat(AT_FDCWD, "./258/config" [pid 312] close(4 [pid 309] umount2("./252", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1613] close(26 [pid 312] rmdir("./262/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1613] close(27 [pid 312] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./262/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 1613] close(28 [pid 311] openat(AT_FDCWD, "./258/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 4 [pid 1613] close(29 [pid 312] newfstatat(AT_FDCWD, "./262/binderfs" [pid 311] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] getdents64(3 [pid 1613] exit_group(0 [pid 312] unlink("./262/binderfs" [pid 1613] <... exit_group resumed>) = ? [pid 311] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... unlink resumed>) = 0 [pid 1613] +++ exited with 0 +++ [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./262/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./262/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] unlink("./262/cgroup.net" [pid 311] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./252/config" [pid 312] umount2("./262/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./258/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./262/cgroup.cpu" [pid 311] <... rmdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./252/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./262/cgroup.cpu" [pid 311] umount2("./258/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./252/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./262/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./258/binderfs" [pid 309] <... openat resumed>) = 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 312] newfstatat(AT_FDCWD, "./262/cgroup" [pid 311] unlink("./258/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 312] unlink("./262/cgroup" [pid 309] getdents64(4 [pid 311] umount2("./258/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./258/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 312] <... close resumed>) = 0 [pid 311] unlink("./258/cgroup.net" [pid 309] <... close resumed>) = 0 [pid 312] rmdir("./262" [pid 311] <... unlink resumed>) = 0 [pid 309] rmdir("./252/config" [pid 312] <... rmdir resumed>) = 0 [pid 311] umount2("./258/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 312] mkdir("./263", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./252/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./258/cgroup.cpu" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./252/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] unlink("./258/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... unlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] unlink("./252/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1614 attached [pid 1614] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 265 [pid 311] umount2("./258/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1614] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1614] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./252/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./255", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./258/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1614] chdir("./263" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./252/cgroup.net" [pid 1614] <... chdir resumed>) = 0 [pid 311] unlink("./258/cgroup" [pid 310] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1614] <... prctl resumed>) = 0 [pid 1614] setpgid(0, 0) = 0 [pid 1614] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 1614] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1614] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] getdents64(3 [pid 310] fstat(3 [pid 309] unlink("./252/cgroup.net" [pid 1614] <... symlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./267", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 309] <... unlink resumed>) = 0 [pid 1614] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 309] umount2("./252/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1614] write(3, "1000", 4 [pid 313] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rmdir("./258" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1614] <... write resumed>) = 4 [pid 313] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 1614] close(3 [pid 313] fstat(3 [pid 311] mkdir("./259", 0777 [pid 310] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./252/cgroup.cpu" [pid 1614] <... close resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1614] symlink("/dev/binderfs", "./binderfs" [pid 313] getdents64(3 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1614] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./252/cgroup.cpu" [pid 1614] write(1, "executing program\n", 18 [pid 313] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./255/config" [pid 1614] <... write resumed>) = 18 [pid 309] <... unlink resumed>) = 0 [pid 1614] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1614] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1615 attached ) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./252/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 1615] set_robust_list(0x55555bb49760, 24 [pid 1614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 261 [pid 310] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1615] <... set_robust_list resumed>) = 0 [pid 1614] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1615] rt_sigprocmask(SIG_SETMASK, [] [pid 1614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./252/cgroup" [pid 1615] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1614] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./267/config" [pid 310] openat(AT_FDCWD, "./255/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1615] chdir("./259" [pid 1614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1615] <... chdir resumed>) = 0 [pid 1614] <... mkdirat resumed>) = 0 [pid 313] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 309] unlink("./252/cgroup" [pid 1615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1614] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 1615] <... prctl resumed>) = 0 [pid 1614] <... symlinkat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./267/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1615] setpgid(0, 0 [pid 1614] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... openat resumed>) = 4 [pid 1615] <... setpgid resumed>) = 0 [pid 1614] <... unlinkat resumed>) = 0 [pid 313] fstat(4 [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 1615] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1614] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1615] <... symlink resumed>) = 0 [pid 1614] <... unlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1615] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1614] close(3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 1615] <... symlink resumed>) = 0 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] close(4 [pid 1615] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1614] close(4 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1615] <... symlink resumed>) = 0 [pid 1614] close(5 [pid 313] close(4 [pid 310] rmdir("./255/config" [pid 309] rmdir("./252" [pid 1615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1614] close(6 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1615] <... openat resumed>) = 3 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./267/config" [pid 1615] write(3, "1000", 4 [pid 1614] close(7 [pid 310] umount2("./255/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./253", 0777 [pid 1615] <... write resumed>) = 4 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1615] close(3 [pid 1614] close(8 [pid 313] umount2("./267/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 1615] <... close resumed>) = 0 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./255/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1615] symlink("/dev/binderfs", "./binderfs" [pid 1614] close(9 [pid 313] newfstatat(AT_FDCWD, "./267/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1615] <... symlink resumed>) = 0 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./255/binderfs" [pid 1615] write(1, "executing program\n", 18 [pid 1614] close(10 [pid 313] unlink("./267/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1615] <... write resumed>) = 18 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1614] close(11 [pid 313] <... unlink resumed>) = 0 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1614] close(12) = -1 EBADF (Bad file descriptor) [pid 1614] close(13) = -1 EBADF (Bad file descriptor) [pid 1614] close(14) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1616 attached executing program [pid 1614] close(15 [pid 1616] set_robust_list(0x55555bb49760, 24 [pid 1615] mkdirat(AT_FDCWD, "./config", 0777 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./267/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./255/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 255 [pid 1616] <... set_robust_list resumed>) = 0 [pid 1615] <... mkdirat resumed>) = 0 [pid 1614] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1616] rt_sigprocmask(SIG_SETMASK, [] [pid 1615] mount(NULL, "./config", "configfs", 0, NULL [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./267/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./255/cgroup.net" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1616] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1615] <... mount resumed>) = 0 [pid 1614] close(17 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1616] chdir("./253" [pid 1615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./267/cgroup.net" [pid 310] unlink("./255/cgroup.net" [pid 1616] <... chdir resumed>) = 0 [pid 1615] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1614] close(18 [pid 1616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1616] <... prctl resumed>) = 0 [pid 1615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1614] close(19 [pid 313] umount2("./267/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1616] setpgid(0, 0 [pid 1615] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1616] <... setpgid resumed>) = 0 [pid 1615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1614] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./255/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1616] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1616] <... symlink resumed>) = 0 [pid 1615] <... mkdirat resumed>) = 0 [pid 1614] close(21 [pid 313] newfstatat(AT_FDCWD, "./267/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1616] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1615] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./255/cgroup.cpu" [pid 1616] <... symlink resumed>) = 0 [pid 1614] close(22 [pid 1615] <... symlinkat resumed>) = 0 [pid 1616] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] unlink("./267/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1616] <... symlink resumed>) = 0 [pid 1615] <... unlinkat resumed>) = 0 [pid 1614] close(23 [pid 1616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1615] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] unlink("./255/cgroup.cpu" [pid 1616] <... openat resumed>) = 3 [pid 1615] <... unlinkat resumed>) = 0 [pid 1614] close(24 [pid 313] umount2("./267/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1616] write(3, "1000", 4 [pid 1615] close(3 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1616] <... write resumed>) = 4 [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1614] close(25 [pid 313] newfstatat(AT_FDCWD, "./267/cgroup" [pid 310] umount2("./255/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1616] close(3 [pid 1615] close(4 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1616] <... close resumed>) = 0 [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1614] close(26 [pid 313] unlink("./267/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1616] symlink("/dev/binderfs", "./binderfs" [pid 1615] close(5 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1616] <... symlink resumed>) = 0 [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1614] close(27 [pid 313] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./255/cgroup" [pid 1616] write(1, "executing program\n", 18 [pid 1615] close(6 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] getdents64(3 [pid 1616] <... write resumed>) = 18 [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1614] close(28 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1616] mkdirat(AT_FDCWD, "./config", 0777 [pid 1615] close(7 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] unlink("./255/cgroup" [pid 1616] <... mkdirat resumed>) = 0 [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1614] close(29 [pid 313] close(3 [pid 1616] mount(NULL, "./config", "configfs", 0, NULL [pid 1615] close(8 [pid 1614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1616] <... mount resumed>) = 0 [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1614] exit_group(0 [pid 313] rmdir("./267" [pid 310] getdents64(3 [pid 1616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1615] close(9 [pid 1614] <... exit_group resumed>) = ? [pid 1616] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1614] +++ exited with 0 +++ [pid 313] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1615] close(10 [pid 313] mkdir("./268", 0777 [pid 310] close(3 [pid 1616] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... mkdir resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... close resumed>) = 0 [pid 1616] <... mkdirat resumed>) = 0 [pid 1615] close(11 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1616] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rmdir("./255" [pid 1616] <... symlinkat resumed>) = 0 [pid 1615] close(12 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1616] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1616] <... unlinkat resumed>) = 0 [pid 1616] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1616] close(3) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1617 attached [pid 1616] close(4 [pid 1615] close(13 [pid 310] mkdir("./256", 0777 [pid 1617] set_robust_list(0x55555bb49760, 24 [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 270 [pid 1617] <... set_robust_list resumed>) = 0 [pid 1616] close(5 [pid 1615] close(14 [pid 310] <... mkdir resumed>) = 0 [pid 1617] rt_sigprocmask(SIG_SETMASK, [] [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1616] close(6 [pid 1615] close(15 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1617] chdir("./268" [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1617] <... chdir resumed>) = 0 [pid 1616] close(7 [pid 1615] close(16 [pid 1617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1617] setpgid(0, 0) = 0 [pid 1617] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 1617] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1618 attached ) = 0 [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1618] set_robust_list(0x55555bb49760, 24 [pid 1617] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1616] close(8 [pid 1615] close(17 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 258 [pid 1618] <... set_robust_list resumed>) = 0 [pid 1617] <... symlink resumed>) = 0 [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1618] rt_sigprocmask(SIG_SETMASK, [] [pid 1617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1616] close(9 [pid 1615] close(18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1618] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1617] <... openat resumed>) = 3 [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./263", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1618] chdir("./256" [pid 1617] write(3, "1000", 4 [pid 1616] close(10 [pid 1615] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1618] <... chdir resumed>) = 0 [pid 1617] <... write resumed>) = 4 [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1617] close(3 [pid 1616] close(11 [pid 1615] close(20 [pid 1618] <... prctl resumed>) = 0 [pid 1617] <... close resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 1618] setpgid(0, 0 [pid 1617] symlink("/dev/binderfs", "./binderfs" [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1618] <... setpgid resumed>) = 0 [pid 1617] <... symlink resumed>) = 0 [pid 1616] close(12 [pid 1615] close(21 [pid 312] fstat(3 [pid 1618] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1617] write(1, "executing program\n", 18 [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1618] <... symlink resumed>) = 0 executing program [pid 1617] <... write resumed>) = 18 [pid 1616] close(13 [pid 1615] close(22 [pid 1618] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1617] mkdirat(AT_FDCWD, "./config", 0777 [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1618] <... symlink resumed>) = 0 [pid 1617] <... mkdirat resumed>) = 0 [pid 1616] close(14 [pid 1615] close(23 [pid 1618] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1617] mount(NULL, "./config", "configfs", 0, NULL [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1618] <... symlink resumed>) = 0 [pid 1617] <... mount resumed>) = 0 [pid 1616] close(15 [pid 1615] close(24 [pid 312] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1618] <... openat resumed>) = 3 [pid 1617] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1616] close(16 [pid 1615] close(25 [pid 312] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1618] write(3, "1000", 4 [pid 1617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1618] <... write resumed>) = 4 [pid 1617] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1616] close(17 [pid 1615] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1618] close(3 [pid 1617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./263/config" [pid 1618] <... close resumed>) = 0 [pid 1617] <... mkdirat resumed>) = 0 [pid 1616] close(18 [pid 1615] close(27 [pid 1618] symlink("/dev/binderfs", "./binderfs" [pid 1617] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1618] <... symlink resumed>) = 0 [pid 1617] <... symlinkat resumed>) = 0 [pid 1616] close(19 [pid 1615] close(28 [pid 1618] write(1, "executing program\n", 18 [pid 1617] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1618] <... write resumed>) = 18 [pid 1617] <... unlinkat resumed>) = 0 [pid 1616] close(20 [pid 1615] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1618] mkdirat(AT_FDCWD, "./config", 0777 [pid 1617] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./263/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1618] <... mkdirat resumed>) = 0 [pid 1617] <... unlinkat resumed>) = 0 [pid 1616] close(21 [pid 1618] mount(NULL, "./config", "configfs", 0, NULL [pid 1617] close(3 [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] exit_group(0 [pid 312] <... openat resumed>) = 4 [pid 1618] <... mount resumed>) = 0 [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1616] close(22 [pid 1615] <... exit_group resumed>) = ? [pid 1618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1617] close(4 [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1618] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1617] close(5 [pid 1618] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1615] +++ exited with 0 +++ [pid 1618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1617] close(6 [pid 1616] close(23 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1618] <... mkdirat resumed>) = 0 [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1618] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1617] close(7 [pid 1616] close(24 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1618] <... symlinkat resumed>) = 0 [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1618] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1617] close(8 [pid 1616] close(25 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1618] <... unlinkat resumed>) = 0 [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1618] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1617] close(9 [pid 1616] close(26 [pid 1618] <... unlinkat resumed>) = 0 [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1618] close(3 [pid 1617] close(10 [pid 1616] close(27 [pid 312] rmdir("./263/config" [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1618] close(4 [pid 1617] close(11 [pid 1616] close(28 [pid 312] <... rmdir resumed>) = 0 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./263/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1618] close(5 [pid 1617] close(12 [pid 1616] close(29 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1618] close(6 [pid 1617] close(13 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1616] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./263/binderfs" [pid 1618] close(7 [pid 1617] close(14 [pid 1616] <... exit_group resumed>) = ? [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1618] close(8 [pid 1617] close(15 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1618] close(9 [pid 1617] close(16 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1618] close(10 [pid 1617] close(17 [pid 1616] +++ exited with 0 +++ [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./263/binderfs" [pid 1618] close(11 [pid 1617] close(18 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1618] close(12 [pid 1617] close(19 [pid 312] umount2("./263/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1618] close(13 [pid 1617] close(20 [pid 312] newfstatat(AT_FDCWD, "./263/cgroup.net" [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1618] close(14 [pid 1617] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./263/cgroup.net" [pid 1618] close(15 [pid 1617] close(22 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1618] close(16 [pid 1617] close(23 [pid 312] umount2("./263/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... restart_syscall resumed>) = 0 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1618] close(17 [pid 1617] close(24 [pid 312] newfstatat(AT_FDCWD, "./263/cgroup.cpu" [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1618] close(18 [pid 1617] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./263/cgroup.cpu" [pid 311] umount2("./259", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1618] close(19 [pid 1617] close(26 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1618] close(20 [pid 1617] close(27 [pid 312] umount2("./263/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1618] close(21 [pid 1617] close(28 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1618] close(22 [pid 1617] close(29 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1618] close(23 [pid 1617] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./263/cgroup" [pid 311] <... openat resumed>) = 3 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1617] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 1618] close(24 [pid 1617] +++ exited with 0 +++ [pid 312] unlink("./263/cgroup" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1618] close(25 [pid 312] <... unlink resumed>) = 0 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] getdents64(3 [pid 311] getdents64(3 [pid 1618] close(26 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1618] close(27 [pid 312] <... close resumed>) = 0 [pid 311] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./263" [pid 1618] close(28 [pid 311] <... umount2 resumed>) = 0 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1618] close(29 [pid 312] mkdir("./264", 0777 [pid 1618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1618] exit_group(0 [pid 312] <... mkdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./259/config" [pid 1618] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1618] +++ exited with 0 +++ [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 1619 attached [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1619] set_robust_list(0x55555bb49760, 24 [pid 313] umount2("./268", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 266 [pid 311] openat(AT_FDCWD, "./259/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1619] <... set_robust_list resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1619] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... openat resumed>) = 4 [pid 313] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] fstat(4 [pid 1619] chdir("./264" [pid 313] <... openat resumed>) = 3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1619] <... chdir resumed>) = 0 [pid 313] fstat(3 [pid 1619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 1619] <... prctl resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1619] setpgid(0, 0 [pid 313] getdents64(3 [pid 311] getdents64(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1619] <... setpgid resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1619] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 1619] <... symlink resumed>) = 0 [pid 309] umount2("./253", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1619] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... umount2 resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] umount2("./256", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1619] <... symlink resumed>) = 0 [pid 313] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./259/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1619] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1619] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./268/config" [pid 311] <... rmdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./259/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 1619] <... openat resumed>) = 3 [pid 313] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 309] <... openat resumed>) = 3 [pid 1619] write(3, "1000", 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./259/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] fstat(3 [pid 1619] <... write resumed>) = 4 [pid 313] openat(AT_FDCWD, "./268/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 1619] close(3 [pid 313] <... openat resumed>) = 4 [pid 311] unlink("./259/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1619] <... close resumed>) = 0 [pid 313] fstat(4 [pid 311] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 1619] symlink("/dev/binderfs", "./binderfs" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] umount2("./259/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1619] <... symlink resumed>) = 0 [pid 313] getdents64(4 [pid 1619] write(1, "executing program\n", 18) = 18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1619] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1619] <... mkdirat resumed>) = 0 [pid 313] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./259/cgroup.net" [pid 310] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1619] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1619] <... mount resumed>) = 0 [pid 313] close(4 [pid 311] unlink("./259/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./256/config" [pid 1619] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rmdir("./268/config" [pid 311] umount2("./259/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./253/config" [pid 1619] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./268/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./259/cgroup.cpu" [pid 310] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1619] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./268/binderfs" [pid 311] unlink("./259/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./253/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1619] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./256/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1619] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 313] unlink("./268/binderfs" [pid 311] umount2("./259/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./253/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 1619] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1619] <... unlinkat resumed>) = 0 [pid 313] umount2("./268/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./259/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] fstat(4 [pid 1619] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1619] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1619] close(3 [pid 313] newfstatat(AT_FDCWD, "./268/cgroup.net" [pid 311] unlink("./259/cgroup" [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1619] close(4 [pid 313] unlink("./268/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 309] getdents64(4 [pid 1619] close(5 [pid 313] umount2("./268/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] rmdir("./256/config" [pid 309] close(4 [pid 1619] close(6 [pid 313] newfstatat(AT_FDCWD, "./268/cgroup.cpu" [pid 311] rmdir("./259" [pid 310] <... rmdir resumed>) = 0 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 310] umount2("./256/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 1619] close(7 [pid 313] unlink("./268/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdir("./260", 0777 [pid 309] rmdir("./253/config" [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./256/binderfs" [pid 311] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1619] close(8 [pid 313] umount2("./268/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] unlink("./256/binderfs" [pid 309] umount2("./253/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1619] close(9 [pid 313] newfstatat(AT_FDCWD, "./268/cgroup" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1620 attached [pid 1619] close(10 [pid 313] unlink("./268/cgroup" [pid 310] umount2("./256/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./253/binderfs" [pid 1620] set_robust_list(0x55555bb49760, 24 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 262 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1620] <... set_robust_list resumed>) = 0 [pid 1619] close(11 [pid 313] getdents64(3 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./256/cgroup.net" [pid 309] unlink("./253/binderfs" [pid 1620] rt_sigprocmask(SIG_SETMASK, [] [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1619] close(12 [pid 313] close(3 [pid 310] unlink("./256/cgroup.net" [pid 309] <... unlink resumed>) = 0 [pid 1620] chdir("./260" [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1620] <... chdir resumed>) = 0 [pid 1619] close(13 [pid 313] rmdir("./268" [pid 309] umount2("./253/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] umount2("./256/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1620] <... prctl resumed>) = 0 [pid 1619] close(14 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] mkdir("./269", 0777 [pid 1620] setpgid(0, 0 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./253/cgroup.net" [pid 1620] <... setpgid resumed>) = 0 [pid 1619] close(15 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./256/cgroup.cpu" [pid 1620] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1620] <... symlink resumed>) = 0 [pid 1619] close(16 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./253/cgroup.net" [pid 1620] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... symlink resumed>) = 0 [pid 1620] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 310] unlink("./256/cgroup.cpu" [pid 1620] <... symlink resumed>) = 0 [pid 1620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... unlink resumed>) = 0 [pid 1620] write(3, "1000", 4 [pid 1619] close(17 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./253/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1621 attached [pid 1620] <... write resumed>) = 4 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./256/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1621] set_robust_list(0x55555bb49760, 24 [pid 1620] close(3 [pid 1619] close(18 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 271 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./253/cgroup.cpu" [pid 1621] <... set_robust_list resumed>) = 0 [pid 1620] <... close resumed>) = 0 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./256/cgroup" [pid 1621] rt_sigprocmask(SIG_SETMASK, [] [pid 1620] symlink("/dev/binderfs", "./binderfs" [pid 1619] close(19 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1620] <... symlink resumed>) = 0 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./253/cgroup.cpu" [pid 1621] chdir("./269" [pid 1620] write(1, "executing program\n", 18 [pid 1619] close(20 [pid 310] unlink("./256/cgroup" [pid 1621] <... chdir resumed>) = 0 [pid 1620] <... write resumed>) = 18 executing program [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1620] mkdirat(AT_FDCWD, "./config", 0777 [pid 1619] close(21 [pid 310] <... unlink resumed>) = 0 [pid 1621] <... prctl resumed>) = 0 [pid 1620] <... mkdirat resumed>) = 0 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 309] umount2("./253/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1621] setpgid(0, 0 [pid 1620] mount(NULL, "./config", "configfs", 0, NULL [pid 1619] close(22 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1621] <... setpgid resumed>) = 0 [pid 1620] <... mount resumed>) = 0 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1621] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1619] close(23 [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./253/cgroup" [pid 1621] <... symlink resumed>) = 0 [pid 1620] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./256" [pid 1621] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1619] close(24 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1621] <... symlink resumed>) = 0 [pid 1620] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./253/cgroup" [pid 1621] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1619] close(25 [pid 310] mkdir("./257", 0777 [pid 1621] <... symlink resumed>) = 0 [pid 1620] <... mkdirat resumed>) = 0 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1620] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1619] close(26 [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 1621] <... openat resumed>) = 3 [pid 1620] <... symlinkat resumed>) = 0 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1621] write(3, "1000", 4 [pid 1620] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1619] close(27 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] close(3 [pid 1621] <... write resumed>) = 4 [pid 1620] <... unlinkat resumed>) = 0 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1621] close(3 [pid 1620] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1619] close(28 [pid 309] <... close resumed>) = 0 [pid 1621] <... close resumed>) = 0 [pid 1620] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1622 attached [pid 1621] symlink("/dev/binderfs", "./binderfs" [pid 1620] close(3 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./253" [pid 1622] set_robust_list(0x55555bb49760, 24 [pid 1621] <... symlink resumed>) = 0 [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1619] close(29 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 259 [pid 1622] <... set_robust_list resumed>) = 0 executing program [pid 1621] write(1, "executing program\n", 18 [pid 1620] close(4 [pid 1619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1622] rt_sigprocmask(SIG_SETMASK, [] [pid 1621] <... write resumed>) = 18 [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1621] mkdirat(AT_FDCWD, "./config", 0777 [pid 1620] close(5 [pid 1619] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./254", 0777 [pid 1622] chdir("./257" [pid 1621] <... mkdirat resumed>) = 0 [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1619] <... exit_group resumed>) = ? [pid 1622] <... chdir resumed>) = 0 [pid 1621] mount(NULL, "./config", "configfs", 0, NULL [pid 1620] close(6 [pid 309] <... mkdir resumed>) = 0 [pid 1621] <... mount resumed>) = 0 [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1620] close(7 [pid 1621] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1620] close(8 [pid 1619] +++ exited with 0 +++ [pid 1622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1621] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1622] <... prctl resumed>) = 0 [pid 1621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1620] close(9 [pid 1622] setpgid(0, 0 [pid 1621] <... mkdirat resumed>) = 0 [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1622] <... setpgid resumed>) = 0 [pid 1621] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1620] close(10 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1622] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1621] <... symlinkat resumed>) = 0 [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1620] close(11 [pid 1621] <... unlinkat resumed>) = 0 [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1623 attached [pid 1622] <... symlink resumed>) = 0 [pid 1621] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1620] close(12 [pid 1623] set_robust_list(0x55555bb49760, 24 [pid 1622] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1621] <... unlinkat resumed>) = 0 [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 256 [pid 1623] <... set_robust_list resumed>) = 0 [pid 1622] <... symlink resumed>) = 0 [pid 1621] close(3 [pid 1620] close(13 [pid 1623] rt_sigprocmask(SIG_SETMASK, [] [pid 1622] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1622] <... symlink resumed>) = 0 [pid 1621] close(4 [pid 1620] close(14 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1623] chdir("./254" [pid 1622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... chdir resumed>) = 0 [pid 1622] <... openat resumed>) = 3 [pid 1621] close(5 [pid 1620] close(15 [pid 1623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1622] write(3, "1000", 4 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... prctl resumed>) = 0 [pid 1622] <... write resumed>) = 4 [pid 1621] close(6 [pid 1620] close(16 [pid 1623] setpgid(0, 0 [pid 1622] close(3 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... setpgid resumed>) = 0 [pid 1622] <... close resumed>) = 0 [pid 1621] close(7 [pid 1620] close(17 [pid 1623] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1622] symlink("/dev/binderfs", "./binderfs" [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... symlink resumed>) = 0 [pid 1622] <... symlink resumed>) = 0 [pid 1621] close(8 [pid 1620] close(18 [pid 1623] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1622] write(1, "executing program\n", 18 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1623] <... symlink resumed>) = 0 [pid 1622] <... write resumed>) = 18 [pid 1621] close(9 [pid 1620] close(19 [pid 1623] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1622] mkdirat(AT_FDCWD, "./config", 0777 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... symlink resumed>) = 0 [pid 1622] <... mkdirat resumed>) = 0 [pid 1621] close(10 [pid 1620] close(20 [pid 1623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1622] mount(NULL, "./config", "configfs", 0, NULL [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... openat resumed>) = 3 [pid 1621] close(11 [pid 1620] close(21 [pid 1623] write(3, "1000", 4 [pid 1622] <... mount resumed>) = 0 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... write resumed>) = 4 [pid 1622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1621] close(12 [pid 1620] close(22 [pid 1623] close(3 [pid 1622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... close resumed>) = 0 [pid 1622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1621] close(13 [pid 1620] close(23 [pid 1623] symlink("/dev/binderfs", "./binderfs" [pid 1622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... symlink resumed>) = 0 [pid 1622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1621] close(14 [pid 1620] close(24 [pid 1623] write(1, "executing program\n", 18 [pid 1622] <... mkdirat resumed>) = 0 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1623] <... write resumed>) = 18 [pid 1622] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1621] close(15 [pid 1620] close(25 [pid 1623] mkdirat(AT_FDCWD, "./config", 0777 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... mkdirat resumed>) = 0 [pid 1622] <... symlinkat resumed>) = 0 [pid 1621] close(16 [pid 1620] close(26 [pid 1623] mount(NULL, "./config", "configfs", 0, NULL [pid 1622] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... mount resumed>) = 0 [pid 1622] <... unlinkat resumed>) = 0 [pid 1621] close(17 [pid 1620] close(27 [pid 1623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1622] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1622] <... unlinkat resumed>) = 0 [pid 1621] close(18 [pid 1620] close(28 [pid 1623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1622] close(3 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] close(19 [pid 1620] close(29 [pid 1623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1622] close(4 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1623] <... mkdirat resumed>) = 0 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] close(20 [pid 1623] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1622] close(5 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] exit_group(0 [pid 1623] <... symlinkat resumed>) = 0 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] close(21 [pid 1620] <... exit_group resumed>) = ? [pid 1623] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1622] close(6 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./264", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1622] close(7 [pid 312] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1622] close(8 [pid 312] fstat(3 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1620] +++ exited with 0 +++ [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1623] <... unlinkat resumed>) = 0 [pid 1622] close(9 [pid 1621] close(22 [pid 312] getdents64(3 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1623] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1622] close(10 [pid 312] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1623] <... unlinkat resumed>) = 0 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] close(23 [pid 1623] close(3 [pid 1622] close(11 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] close(24 [pid 312] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1623] close(4 [pid 1622] close(12 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./264/config" [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] close(13 [pid 1621] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1623] close(5 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] close(14 [pid 1621] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1623] close(6 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./264/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] close(15 [pid 1621] close(27 [pid 312] <... openat resumed>) = 4 [pid 1623] close(7 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] close(16 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1623] close(8 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] close(28 [pid 312] getdents64(4 [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] close(17 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1623] close(9 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] close(18 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1623] close(10 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] close(29 [pid 312] close(4 [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] close(19 [pid 1621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1623] close(11 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./264/config" [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] close(20 [pid 1621] exit_group(0 [pid 312] <... rmdir resumed>) = 0 [pid 1623] close(12 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] <... exit_group resumed>) = ? [pid 312] umount2("./264/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./264/binderfs" [pid 1622] close(22 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./264/binderfs" [pid 1622] close(23 [pid 312] <... unlink resumed>) = 0 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1621] +++ exited with 0 +++ [pid 312] umount2("./264/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1623] close(13 [pid 1622] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] newfstatat(AT_FDCWD, "./264/cgroup.net" [pid 1623] close(14 [pid 1622] close(25 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./264/cgroup.net" [pid 1623] close(15 [pid 1622] close(26 [pid 312] <... unlink resumed>) = 0 [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./264/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1622] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1623] close(16 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./264/cgroup.cpu" [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1623] close(17 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./264/cgroup.cpu" [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] close(29 [pid 312] <... unlink resumed>) = 0 [pid 1623] close(18 [pid 1622] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./264/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1623] close(19 [pid 1622] <... exit_group resumed>) = ? [pid 312] newfstatat(AT_FDCWD, "./264/cgroup" [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1622] +++ exited with 0 +++ [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1623] close(20 [pid 312] unlink("./264/cgroup" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1623] close(21 [pid 312] getdents64(3 [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1623] close(22 [pid 312] close(3 [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 312] rmdir("./264" [pid 1623] close(23 [pid 312] <... rmdir resumed>) = 0 [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./265", 0777 [pid 1623] close(24 [pid 312] <... mkdir resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 267 ci2-android-5-15/strace-static-x86_64: Process 1624 attached [pid 1623] close(25 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1624] set_robust_list(0x55555bb49760, 24 [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1624] <... set_robust_list resumed>) = 0 [pid 1623] close(26 [pid 1624] rt_sigprocmask(SIG_SETMASK, [] [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1623] close(27 [pid 1624] chdir("./265" [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1624] <... chdir resumed>) = 0 [pid 1623] close(28 [pid 311] umount2("./260", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./257", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1624] <... prctl resumed>) = 0 [pid 1623] close(29 [pid 311] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1624] setpgid(0, 0 [pid 1623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 1624] <... setpgid resumed>) = 0 [pid 1623] exit_group(0 [pid 311] fstat(3 [pid 310] fstat(3 [pid 1624] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1623] <... exit_group resumed>) = ? [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1624] <... symlink resumed>) = 0 [pid 311] getdents64(3 [pid 310] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1624] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] <... umount2 resumed>) = 0 [pid 1623] +++ exited with 0 +++ [pid 311] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 1624] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1624] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./260/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1624] <... symlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./257/config" [pid 1624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1624] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1624] write(3, "1000", 4 [pid 311] openat(AT_FDCWD, "./260/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1624] <... write resumed>) = 4 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] openat(AT_FDCWD, "./257/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./254", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1624] close(3 [pid 311] fstat(4 [pid 310] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] fstat(4 [pid 309] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1624] <... close resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 1624] symlink("/dev/binderfs", "./binderfs" [pid 313] umount2("./269", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 309] fstat(3 [pid 1624] <... symlink resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1624] write(1, "executing program\n", 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 executing program [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 1624] <... write resumed>) = 18 [pid 313] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1624] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... openat resumed>) = 3 [pid 311] <... close resumed>) = 0 [pid 310] close(4 [pid 309] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1624] <... mkdirat resumed>) = 0 [pid 313] fstat(3 [pid 311] rmdir("./260/config" [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1624] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] rmdir("./257/config" [pid 309] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./260/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1624] <... mount resumed>) = 0 [pid 313] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./257/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./254/config" [pid 1624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] newfstatat(AT_FDCWD, "./260/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1624] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./257/binderfs" [pid 309] umount2("./254/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... umount2 resumed>) = 0 [pid 311] unlink("./260/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1624] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./257/binderfs" [pid 309] openat(AT_FDCWD, "./254/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./260/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./257/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 1624] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./269/config" [pid 311] newfstatat(AT_FDCWD, "./260/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1624] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./257/cgroup.net" [pid 309] getdents64(4 [pid 311] unlink("./260/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./257/cgroup.net" [pid 309] getdents64(4 [pid 1624] <... symlinkat resumed>) = 0 [pid 313] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./260/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1624] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./257/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 311] newfstatat(AT_FDCWD, "./260/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1624] <... unlinkat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./269/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./257/cgroup.cpu" [pid 309] rmdir("./254/config" [pid 1624] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... openat resumed>) = 4 [pid 311] unlink("./260/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1624] <... unlinkat resumed>) = 0 [pid 313] fstat(4 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./257/cgroup.cpu" [pid 309] umount2("./254/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1624] close(3 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] umount2("./260/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./257/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./254/binderfs" [pid 1624] close(4 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] newfstatat(AT_FDCWD, "./260/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./257/cgroup" [pid 309] unlink("./254/binderfs" [pid 1624] close(5 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] unlink("./260/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./257/cgroup" [pid 309] umount2("./254/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1624] close(6 [pid 313] <... close resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./269/config" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./254/cgroup.net" [pid 1624] close(7 [pid 313] <... rmdir resumed>) = 0 [pid 311] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./269/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 310] close(3 [pid 309] unlink("./254/cgroup.net" [pid 1624] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./260" [pid 310] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./269/binderfs" [pid 311] <... rmdir resumed>) = 0 [pid 310] rmdir("./257" [pid 309] umount2("./254/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1624] close(9 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] mkdir("./261", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./269/binderfs" [pid 311] <... mkdir resumed>) = 0 [pid 310] mkdir("./258", 0777 [pid 309] newfstatat(AT_FDCWD, "./254/cgroup.cpu" [pid 1624] close(10 [pid 313] <... unlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./269/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./254/cgroup.cpu" [pid 1624] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1625 attached [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./269/cgroup.net" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./254/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1626 attached [pid 1625] set_robust_list(0x55555bb49760, 24 [pid 1624] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 263 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1626] set_robust_list(0x55555bb49760, 24 [pid 1625] <... set_robust_list resumed>) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./269/cgroup.net" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 260 [pid 309] newfstatat(AT_FDCWD, "./254/cgroup" [pid 1626] <... set_robust_list resumed>) = 0 [pid 1625] rt_sigprocmask(SIG_SETMASK, [] [pid 1624] close(13 [pid 313] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1626] rt_sigprocmask(SIG_SETMASK, [] [pid 1625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./269/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./254/cgroup" [pid 1626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1625] chdir("./261" [pid 1624] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1626] chdir("./258" [pid 1625] <... chdir resumed>) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./269/cgroup.cpu" [pid 309] getdents64(3 [pid 1626] <... chdir resumed>) = 0 [pid 1625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1624] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1625] <... prctl resumed>) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./269/cgroup.cpu" [pid 309] close(3 [pid 1626] <... prctl resumed>) = 0 [pid 1625] setpgid(0, 0 [pid 1624] close(16 [pid 313] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1626] setpgid(0, 0 [pid 1625] <... setpgid resumed>) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./269/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./254" [pid 1626] <... setpgid resumed>) = 0 [pid 1625] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1624] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1626] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1625] <... symlink resumed>) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./255", 0777 [pid 313] newfstatat(AT_FDCWD, "./269/cgroup" [pid 1626] <... symlink resumed>) = 0 [pid 1625] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1624] close(18 [pid 309] <... mkdir resumed>) = 0 [pid 1626] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1625] <... symlink resumed>) = 0 [pid 1626] <... symlink resumed>) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] unlink("./269/cgroup" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1626] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1625] <... symlink resumed>) = 0 [pid 1624] close(19 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1627 attached [pid 1626] <... symlink resumed>) = 0 [pid 1625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1627] set_robust_list(0x55555bb49760, 24 [pid 1626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 257 [pid 1626] <... openat resumed>) = 3 [pid 1625] <... openat resumed>) = 3 [pid 1627] <... set_robust_list resumed>) = 0 [pid 1624] close(20 [pid 313] getdents64(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1626] write(3, "1000", 4 [pid 1625] write(3, "1000", 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1627] rt_sigprocmask(SIG_SETMASK, [] [pid 1626] <... write resumed>) = 4 [pid 1627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1625] <... write resumed>) = 4 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1627] chdir("./255" [pid 1626] close(3 [pid 1625] close(3 [pid 1624] close(21 [pid 313] close(3 [pid 1627] <... chdir resumed>) = 0 [pid 1626] <... close resumed>) = 0 [pid 1625] <... close resumed>) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1626] symlink("/dev/binderfs", "./binderfs" [pid 1625] symlink("/dev/binderfs", "./binderfs" [pid 1624] close(22 [pid 313] <... close resumed>) = 0 [pid 1627] <... prctl resumed>) = 0 [pid 1626] <... symlink resumed>) = 0 [pid 1627] setpgid(0, 0 [pid 1626] write(1, "executing program\n", 18 [pid 1625] <... symlink resumed>) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./269" [pid 1627] <... setpgid resumed>) = 0 [pid 1626] <... write resumed>) = 18 [pid 1625] write(1, "executing program\n", 18 [pid 1624] close(23 executing program executing program [pid 1627] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1625] <... write resumed>) = 18 [pid 313] <... rmdir resumed>) = 0 [pid 1626] mkdirat(AT_FDCWD, "./config", 0777 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... symlink resumed>) = 0 [pid 1625] mkdirat(AT_FDCWD, "./config", 0777 [pid 1624] close(24 [pid 313] mkdir("./270", 0777 [pid 1626] <... mkdirat resumed>) = 0 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1625] <... mkdirat resumed>) = 0 [pid 1626] mount(NULL, "./config", "configfs", 0, NULL [pid 1624] close(25 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1627] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1626] <... mount resumed>) = 0 [pid 1625] mount(NULL, "./config", "configfs", 0, NULL [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1627] <... symlink resumed>) = 0 [pid 1626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1625] <... mount resumed>) = 0 [pid 1624] close(26 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1627] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1626] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1628 attached [pid 1625] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1624] close(27 [pid 1628] set_robust_list(0x55555bb49760, 24 [pid 1627] <... symlink resumed>) = 0 [pid 1626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 272 [pid 1628] <... set_robust_list resumed>) = 0 [pid 1627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1626] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1625] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1624] close(28 [pid 1628] rt_sigprocmask(SIG_SETMASK, [] [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1627] <... openat resumed>) = 3 [pid 1626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1628] chdir("./270" [pid 1627] write(3, "1000", 4 [pid 1628] <... chdir resumed>) = 0 [pid 1626] <... mkdirat resumed>) = 0 [pid 1628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1627] <... write resumed>) = 4 [pid 1626] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1625] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1624] close(29 [pid 1628] <... prctl resumed>) = 0 [pid 1627] close(3 [pid 1628] setpgid(0, 0 [pid 1626] <... symlinkat resumed>) = 0 [pid 1625] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] <... setpgid resumed>) = 0 [pid 1627] <... close resumed>) = 0 [pid 1626] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1625] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1628] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1627] symlink("/dev/binderfs", "./binderfs" [pid 1624] exit_group(0 [pid 1628] <... symlink resumed>) = 0 [pid 1626] <... unlinkat resumed>) = 0 [pid 1625] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1628] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1627] <... symlink resumed>) = 0 [pid 1626] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1624] <... exit_group resumed>) = ? [pid 1628] <... symlink resumed>) = 0 [pid 1627] write(1, "executing program\n", 18 [pid 1625] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1628] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1626] <... unlinkat resumed>) = 0 [pid 1628] <... symlink resumed>) = 0 [pid 1628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1628] write(3, "1000", 4) = 4 [pid 1628] close(3) = 0 [pid 1624] +++ exited with 0 +++ [pid 1628] symlink("/dev/binderfs", "./binderfs" [pid 1627] <... write resumed>) = 18 [pid 1626] close(3 [pid 1625] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1628] <... symlink resumed>) = 0 [pid 1627] mkdirat(AT_FDCWD, "./config", 0777 [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1628] write(1, "executing program\n", 18 [pid 1627] <... mkdirat resumed>) = 0 [pid 1626] close(4 [pid 1625] close(3 [pid 1628] <... write resumed>) = 18 [pid 1627] mount(NULL, "./config", "configfs", 0, NULL [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1627] <... mount resumed>) = 0 [pid 1626] close(5 [pid 1625] close(4 [pid 1628] mount(NULL, "./config", "configfs", 0, NULL [pid 1627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] <... mount resumed>) = 0 [pid 1627] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1626] close(6 [pid 1625] close(5 [pid 1628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1627] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1626] close(7 [pid 1625] close(6 [pid 1628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program executing program [pid 1628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1627] <... mkdirat resumed>) = 0 [pid 1626] close(8 [pid 1625] close(7 [pid 1628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1627] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 1627] <... symlinkat resumed>) = 0 [pid 1626] close(9 [pid 1625] close(8 [pid 1628] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1627] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] <... unlinkat resumed>) = 0 [pid 1626] close(10 [pid 1625] close(9 [pid 1628] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1627] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] <... unlinkat resumed>) = 0 [pid 1627] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1628] close(3 [pid 1626] close(11 [pid 1625] close(10 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] close(4 [pid 1627] close(3 [pid 1626] close(12 [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] close(11 [pid 1628] close(5 [pid 1627] close(4 [pid 1626] close(13 [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] close(6 [pid 1627] close(5 [pid 1626] close(14 [pid 1625] close(12 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] close(7 [pid 1627] close(6 [pid 1626] close(15 [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] close(13 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] close(7 [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] close(8 [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] close(16 [pid 1625] close(14 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] close(8 [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] close(9 [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] close(9 [pid 1626] close(17 [pid 1625] close(15 [pid 1628] close(10 [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] close(11 [pid 1627] close(10 [pid 1626] close(18 [pid 1625] close(16 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] close(12 [pid 1627] close(11 [pid 1626] close(19 [pid 1625] close(17 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] close(13 [pid 1627] close(12 [pid 312] <... restart_syscall resumed>) = 0 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] close(20 [pid 1625] close(18 [pid 1628] close(14 [pid 1627] close(13 [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./265", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1628] close(15 [pid 1627] close(14 [pid 1626] close(21 [pid 1625] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1628] close(16 [pid 1627] close(15 [pid 1626] close(22 [pid 1625] close(20 [pid 312] <... openat resumed>) = 3 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1628] close(17 [pid 1627] close(16 [pid 1626] close(23 [pid 1625] close(21 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1628] close(18 [pid 1627] close(17 [pid 1626] close(24 [pid 1625] close(22 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1628] close(19 [pid 1627] close(18 [pid 1626] close(25 [pid 1625] close(23 [pid 312] <... umount2 resumed>) = 0 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1628] close(20 [pid 1627] close(19 [pid 1626] close(26 [pid 1625] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./265/config" [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1628] close(21 [pid 1627] close(20 [pid 1626] close(27 [pid 1625] close(25 [pid 312] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1628] close(22 [pid 1627] close(21 [pid 1626] close(28 [pid 1625] close(26 [pid 312] openat(AT_FDCWD, "./265/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1628] close(23 [pid 1627] close(22 [pid 1626] close(29 [pid 1625] close(27 [pid 312] fstat(4 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1628] close(24 [pid 1627] close(23 [pid 1626] exit_group(0 [pid 1625] close(28 [pid 312] getdents64(4 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1626] <... exit_group resumed>) = ? [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1628] close(25 [pid 1627] close(24 [pid 312] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4) = 0 [pid 312] rmdir("./265/config") = 0 [pid 312] umount2("./265/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1626] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./265/binderfs" [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] close(29 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1628] close(26 [pid 1627] close(25 [pid 1625] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./265/binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1625] exit_group(0 [pid 312] <... unlink resumed>) = 0 [pid 1628] close(27 [pid 1627] close(26 [pid 1625] <... exit_group resumed>) = ? [pid 312] umount2("./265/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./265/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./265/cgroup.net") = 0 [pid 312] umount2("./265/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1625] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./265/cgroup.cpu" [pid 1628] close(28 [pid 1627] close(27 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./265/cgroup.cpu" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1628] close(29 [pid 1627] close(28 [pid 312] <... unlink resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./265/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 1628] exit_group(0 [pid 1627] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1628] <... exit_group resumed>) = ? [pid 1627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./265/cgroup" [pid 311] umount2("./261", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./258", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./265/cgroup" [pid 311] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1628] +++ exited with 0 +++ [pid 1627] exit_group(0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1627] <... exit_group resumed>) = ? [pid 312] getdents64(3 [pid 311] fstat(3 [pid 310] <... openat resumed>) = 3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] fstat(3 [pid 312] close(3 [pid 311] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1627] +++ exited with 0 +++ [pid 312] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] getdents64(3 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] rmdir("./265" [pid 311] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] mkdir("./266", 0777 [pid 311] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] newfstatat(AT_FDCWD, "./261/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./258/config" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./255", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1629 attached [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1629] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 268 [pid 311] openat(AT_FDCWD, "./261/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1629] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... openat resumed>) = 4 [pid 310] openat(AT_FDCWD, "./258/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 1629] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] fstat(4 [pid 310] <... openat resumed>) = 4 [pid 309] fstat(3 [pid 1629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] getdents64(4 [pid 1629] chdir("./266" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] getdents64(3 [pid 1629] <... chdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1629] <... prctl resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 1629] setpgid(0, 0 [pid 311] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1629] <... setpgid resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] close(4 [pid 309] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1629] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] rmdir("./261/config" [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1629] <... symlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] rmdir("./258/config" [pid 309] newfstatat(AT_FDCWD, "./255/config" [pid 1629] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] umount2("./261/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./258/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./255/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1629] <... symlink resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./261/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1629] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./258/binderfs" [pid 309] openat(AT_FDCWD, "./255/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1629] <... symlink resumed>) = 0 [pid 311] unlink("./261/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 1629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./270", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./258/binderfs" [pid 309] fstat(4 [pid 1629] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./261/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1629] write(3, "1000", 4 [pid 313] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./258/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1629] <... write resumed>) = 4 [pid 313] <... openat resumed>) = 3 [pid 311] newfstatat(AT_FDCWD, "./261/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1629] close(3 [pid 313] fstat(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./258/cgroup.net" [pid 309] getdents64(4 [pid 1629] <... close resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] unlink("./261/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1629] symlink("/dev/binderfs", "./binderfs" [pid 313] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./258/cgroup.net" [pid 309] close(4 [pid 1629] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./261/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1629] write(1, "executing program\n", 18 [pid 313] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./258/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./255/config" [pid 1629] <... write resumed>) = 18 [pid 313] <... umount2 resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./261/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 executing program [pid 1629] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./258/cgroup.cpu" [pid 309] umount2("./255/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1629] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./261/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1629] mount(NULL, "./config", "configfs", 0, NULL [pid 313] newfstatat(AT_FDCWD, "./270/config" [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./258/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./255/binderfs" [pid 1629] <... mount resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./261/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1629] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./258/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./255/binderfs" [pid 1629] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./261/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1629] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] openat(AT_FDCWD, "./270/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./258/cgroup" [pid 309] umount2("./255/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1629] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 4 [pid 311] unlink("./261/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1629] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] fstat(4 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./258/cgroup" [pid 309] newfstatat(AT_FDCWD, "./255/cgroup.net" [pid 1629] <... mkdirat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1629] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] getdents64(4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] unlink("./255/cgroup.net" [pid 311] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1629] <... symlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... close resumed>) = 0 [pid 310] close(3 [pid 309] umount2("./255/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1629] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] getdents64(4 [pid 311] rmdir("./261" [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 310] rmdir("./258" [pid 309] newfstatat(AT_FDCWD, "./255/cgroup.cpu" [pid 311] mkdir("./262", 0777 [pid 1629] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1629] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] mkdir("./259", 0777 [pid 309] unlink("./255/cgroup.cpu" [pid 1629] <... unlinkat resumed>) = 0 [pid 313] close(4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1629] close(3 [pid 313] <... close resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./255/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./270/config" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1630 attached [pid 1629] close(4 [pid 313] <... rmdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./255/cgroup"ci2-android-5-15/strace-static-x86_64: Process 1631 attached [pid 1630] set_robust_list(0x55555bb49760, 24 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./270/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 264 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1631] set_robust_list(0x55555bb49760, 24 [pid 1630] <... set_robust_list resumed>) = 0 [pid 1629] close(5 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 261 [pid 309] unlink("./255/cgroup" [pid 1631] <... set_robust_list resumed>) = 0 [pid 1630] rt_sigprocmask(SIG_SETMASK, [] [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./270/binderfs" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 1631] rt_sigprocmask(SIG_SETMASK, [] [pid 1630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1629] close(6 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 1631] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1630] chdir("./262" [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./270/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1631] chdir("./259" [pid 1630] <... chdir resumed>) = 0 [pid 1629] close(7 [pid 309] close(3 [pid 1631] <... chdir resumed>) = 0 [pid 1630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1630] <... prctl resumed>) = 0 [pid 1629] close(8 [pid 313] umount2("./270/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./255" [pid 1631] <... prctl resumed>) = 0 [pid 1630] setpgid(0, 0 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1631] setpgid(0, 0 [pid 1630] <... setpgid resumed>) = 0 [pid 1629] close(9 [pid 313] newfstatat(AT_FDCWD, "./270/cgroup.net" [pid 309] mkdir("./256", 0777 [pid 1631] <... setpgid resumed>) = 0 [pid 1630] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1631] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1630] <... symlink resumed>) = 0 [pid 1629] close(10 [pid 313] unlink("./270/cgroup.net" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1631] <... symlink resumed>) = 0 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1631] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1630] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1629] close(11 [pid 313] umount2("./270/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1631] <... symlink resumed>) = 0 [pid 1630] <... symlink resumed>) = 0 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 258 ci2-android-5-15/strace-static-x86_64: Process 1632 attached [pid 1631] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1630] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1629] close(12 [pid 313] newfstatat(AT_FDCWD, "./270/cgroup.cpu" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1632] set_robust_list(0x55555bb49760, 24 [pid 1631] <... symlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1630] <... symlink resumed>) = 0 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] <... set_robust_list resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1631] <... openat resumed>) = 3 [pid 1629] close(13 [pid 313] unlink("./270/cgroup.cpu" [pid 1630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1632] rt_sigprocmask(SIG_SETMASK, [] [pid 1631] write(3, "1000", 4 [pid 1630] <... openat resumed>) = 3 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1631] <... write resumed>) = 4 [pid 1630] write(3, "1000", 4 [pid 1629] close(14 [pid 313] umount2("./270/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1632] chdir("./256" [pid 1630] <... write resumed>) = 4 [pid 1631] close(3 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] <... chdir resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1631] <... close resumed>) = 0 [pid 1630] close(3 [pid 1629] close(15 [pid 1632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1631] symlink("/dev/binderfs", "./binderfs" [pid 1630] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./270/cgroup" [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] <... prctl resumed>) = 0 [pid 1631] <... symlink resumed>) = 0 [pid 1630] symlink("/dev/binderfs", "./binderfs" [pid 1632] setpgid(0, 0 [pid 1631] write(1, "executing program\n", 18 [pid 1629] close(16 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1632] <... setpgid resumed>) = 0 [pid 1631] <... write resumed>) = 18 [pid 1630] <... symlink resumed>) = 0 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./270/cgroup" [pid 1632] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1630] write(1, "executing program\n", 18 [pid 1631] mkdirat(AT_FDCWD, "./config", 0777 [pid 1629] close(17 [pid 313] <... unlink resumed>) = 0 [pid 1632] <... symlink resumed>) = 0 [pid 1630] <... write resumed>) = 18 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... mkdirat resumed>) = 0 [pid 1630] mkdirat(AT_FDCWD, "./config", 0777 [pid 1629] close(18 [pid 313] getdents64(3 [pid 1632] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1631] mount(NULL, "./config", "configfs", 0, NULL [pid 1630] <... mkdirat resumed>) = 0 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1632] <... symlink resumed>) = 0 [pid 1631] <... mount resumed>) = 0 executing program executing program [pid 1629] close(19 [pid 1632] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1630] mount(NULL, "./config", "configfs", 0, NULL [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1632] <... symlink resumed>) = 0 [pid 1630] <... mount resumed>) = 0 [pid 1629] close(20 [pid 313] <... close resumed>) = 0 [pid 1631] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./270" [pid 1632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1630] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1629] close(21 [pid 313] <... rmdir resumed>) = 0 [pid 1632] <... openat resumed>) = 3 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./271", 0777 [pid 1632] write(3, "1000", 4 [pid 1631] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1629] close(22 [pid 1632] <... write resumed>) = 4 [pid 1631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1630] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1632] close(3 [pid 1631] <... mkdirat resumed>) = 0 [pid 1630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1629] close(23 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1632] <... close resumed>) = 0 [pid 1631] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1630] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1632] symlink("/dev/binderfs", "./binderfs" [pid 1631] <... symlinkat resumed>) = 0 [pid 1629] close(24 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1630] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1632] <... symlink resumed>) = 0 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1633 attached [pid 1630] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1629] close(25 [pid 1632] write(1, "executing program\n", 18 [pid 1633] set_robust_list(0x55555bb49760, 24 [pid 1632] <... write resumed>) = 18 [pid 1631] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1630] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 273 [pid 1633] <... set_robust_list resumed>) = 0 executing program [pid 1632] mkdirat(AT_FDCWD, "./config", 0777 [pid 1633] rt_sigprocmask(SIG_SETMASK, [] [pid 1631] <... unlinkat resumed>) = 0 [pid 1630] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1629] close(26 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1632] <... mkdirat resumed>) = 0 [pid 1631] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1630] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1633] chdir("./271" [pid 1632] mount(NULL, "./config", "configfs", 0, NULL [pid 1633] <... chdir resumed>) = 0 [pid 1633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1631] <... unlinkat resumed>) = 0 [pid 1630] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1629] close(27 [pid 1633] <... prctl resumed>) = 0 [pid 1632] <... mount resumed>) = 0 [pid 1631] close(3 [pid 1630] close(3 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] setpgid(0, 0 [pid 1632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1629] close(28 [pid 1633] <... setpgid resumed>) = 0 [pid 1632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1631] close(4 [pid 1630] close(4 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1633] <... symlink resumed>) = 0 [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1629] close(29 [pid 1633] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1631] close(5 [pid 1630] close(5 [pid 1629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... symlink resumed>) = 0 [pid 1633] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 1633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... openat resumed>) = 3 [pid 1629] exit_group(0 [pid 1633] write(3, "1000", 4) = 4 [pid 1632] <... mkdirat resumed>) = 0 [pid 1631] close(6 [pid 1630] close(6 [pid 1629] <... exit_group resumed>) = ? [pid 1633] close(3 [pid 1632] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... close resumed>) = 0 [pid 1633] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1633] write(1, "executing program\n", 18 [pid 1629] +++ exited with 0 +++ [pid 1633] <... write resumed>) = 18 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 1633] mkdirat(AT_FDCWD, "./config", 0777 [pid 1632] <... symlinkat resumed>) = 0 [pid 1631] close(7 [pid 1630] close(7 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1633] <... mkdirat resumed>) = 0 [pid 1632] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1633] mount(NULL, "./config", "configfs", 0, NULL [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... mount resumed>) = 0 [pid 1632] <... unlinkat resumed>) = 0 [pid 1633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1632] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1631] close(8 [pid 1630] close(8 [pid 1633] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1632] <... unlinkat resumed>) = 0 [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1632] close(3 [pid 1631] close(9 [pid 1630] close(9 [pid 1633] <... symlinkat resumed>) = 0 [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1632] close(4 [pid 1631] close(10 [pid 1630] close(10 [pid 1633] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... unlinkat resumed>) = 0 [pid 1632] close(5 [pid 1631] close(11 [pid 1633] close(3 [pid 1630] close(11 [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(4 [pid 1632] close(6 [pid 1631] close(12 [pid 1630] close(12 [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(5 [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] close(7 [pid 1631] close(13 [pid 1630] close(13 [pid 1633] close(6 [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(7 [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] close(8 [pid 1631] close(14 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(8 [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] close(14 [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(9) = -1 EBADF (Bad file descriptor) [pid 1633] close(10 [pid 1632] close(9 [pid 1631] close(15 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] close(15 [pid 1633] close(11 [pid 1632] close(10 [pid 1631] close(16 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] close(16 [pid 1633] close(12 [pid 1632] close(11 [pid 1631] close(17 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(13) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] close(17 [pid 1633] close(14 [pid 1632] close(12 [pid 1631] close(18 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(15) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(16 [pid 1632] close(13 [pid 1630] close(18 [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] close(19 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(17 [pid 1632] close(14 [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] close(19 [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] close(20 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(18 [pid 1632] close(15 [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] close(20 [pid 1633] close(19 [pid 1632] close(16 [pid 1631] close(21 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(20 [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] close(21 [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] close(17 [pid 1631] close(22 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(21 [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] close(22 [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(22) = -1 EBADF (Bad file descriptor) [pid 1632] close(18 [pid 1631] close(23 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(23 [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] close(23 [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] close(19 [pid 1631] close(24 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] close(24) = -1 EBADF (Bad file descriptor) [pid 1633] close(25) = -1 EBADF (Bad file descriptor) [pid 1633] close(26 [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] close(20 [pid 1631] close(25 [pid 1630] close(24 [pid 1633] close(27 [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] close(21 [pid 1633] close(28) = -1 EBADF (Bad file descriptor) [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] close(26 [pid 1630] close(25 [pid 1633] close(29 [pid 1632] close(22 [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] close(27 [pid 1630] close(26 [pid 1633] exit_group(0 [pid 1632] close(23 [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] <... exit_group resumed>) = ? [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] close(28 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1633] +++ exited with 0 +++ [pid 1632] close(24 [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] close(27 [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] close(29 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] close(25 [pid 1631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] close(28 [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] close(26 [pid 1631] exit_group(0 [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1631] <... exit_group resumed>) = ? [pid 1630] close(29 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1632] close(27 [pid 312] <... restart_syscall resumed>) = 0 [pid 312] umount2("./266", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1631] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1632] close(28 [pid 1630] exit_group(0 [pid 312] <... openat resumed>) = 3 [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] <... exit_group resumed>) = ? [pid 312] fstat(3 [pid 1632] close(29 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./259", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 1632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1630] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = 0 [pid 310] fstat(3 [pid 1632] exit_group(0 [pid 312] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1632] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./266/config" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 312] openat(AT_FDCWD, "./266/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1632] +++ exited with 0 +++ [pid 312] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./259/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] openat(AT_FDCWD, "./259/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... restart_syscall resumed>) = 0 [pid 312] getdents64(4 [pid 310] <... openat resumed>) = 4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] fstat(4 [pid 312] close(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] umount2("./256", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./266/config" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 312] umount2("./266/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./266/binderfs" [pid 310] rmdir("./259/config" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./266/binderfs" [pid 310] umount2("./259/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./259/binderfs" [pid 309] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./266/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./259/binderfs" [pid 309] newfstatat(AT_FDCWD, "./256/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./266/cgroup.net" [pid 310] umount2("./259/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./256/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./266/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./259/cgroup.net" [pid 309] openat(AT_FDCWD, "./256/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 312] umount2("./266/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./259/cgroup.net" [pid 309] fstat(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./266/cgroup.cpu" [pid 310] umount2("./259/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] unlink("./266/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./259/cgroup.cpu" [pid 309] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] unlink("./259/cgroup.cpu" [pid 309] close(4 [pid 312] umount2("./266/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 310] umount2("./259/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./256/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./266/cgroup" [pid 310] newfstatat(AT_FDCWD, "./259/cgroup" [pid 309] umount2("./256/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./266/cgroup" [pid 310] unlink("./259/cgroup" [pid 309] newfstatat(AT_FDCWD, "./256/binderfs" [pid 312] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(3 [pid 310] getdents64(3 [pid 309] unlink("./256/binderfs" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 312] close(3 [pid 310] close(3 [pid 309] umount2("./256/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 310] rmdir("./259" [pid 309] newfstatat(AT_FDCWD, "./256/cgroup.net" [pid 312] rmdir("./266" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./260", 0777 [pid 312] <... rmdir resumed>) = 0 [pid 309] unlink("./256/cgroup.net" [pid 313] umount2("./271", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] mkdir("./267", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./256/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... openat resumed>) = 3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./256/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1634 attached [pid 313] fstat(3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1634] set_robust_list(0x55555bb49760, 24 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 262 [pid 309] unlink("./256/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1635 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1634] <... set_robust_list resumed>) = 0 [pid 313] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 1635] set_robust_list(0x55555bb49760, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./256/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1635] <... set_robust_list resumed>) = 0 [pid 1634] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1635] rt_sigprocmask(SIG_SETMASK, [] [pid 1634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 269 [pid 309] newfstatat(AT_FDCWD, "./256/cgroup" [pid 1635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1634] chdir("./260" [pid 311] umount2("./262", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1635] chdir("./267" [pid 1634] <... chdir resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./256/cgroup" [pid 1635] <... chdir resumed>) = 0 [pid 1634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1634] <... prctl resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1635] <... prctl resumed>) = 0 [pid 1634] setpgid(0, 0 [pid 313] newfstatat(AT_FDCWD, "./271/config" [pid 311] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1635] setpgid(0, 0 [pid 1634] <... setpgid resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(3 [pid 309] close(3 [pid 1635] <... setpgid resumed>) = 0 [pid 1634] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 1635] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 309] rmdir("./256" [pid 1635] <... symlink resumed>) = 0 [pid 1634] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 1635] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1634] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] openat(AT_FDCWD, "./271/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] mkdir("./257", 0777 [pid 1635] <... symlink resumed>) = 0 [pid 1634] <... symlink resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 311] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 1635] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1634] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] fstat(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1635] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1634] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1635] <... openat resumed>) = 3 [pid 1634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1636 attached [pid 1635] write(3, "1000", 4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 259 [pid 1635] <... write resumed>) = 4 [pid 1634] <... openat resumed>) = 3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1636] set_robust_list(0x55555bb49760, 24 [pid 1635] close(3 [pid 1634] write(3, "1000", 4 [pid 313] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./262/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1636] <... set_robust_list resumed>) = 0 [pid 1635] <... close resumed>) = 0 [pid 1634] <... write resumed>) = 4 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1635] symlink("/dev/binderfs", "./binderfs" [pid 1636] rt_sigprocmask(SIG_SETMASK, [] [pid 1635] <... symlink resumed>) = 0 [pid 1634] close(3 [pid 313] close(4 [pid 311] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1635] write(1, "executing program\n", 18 [pid 1634] <... close resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 1635] <... write resumed>) = 18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1636] chdir("./257" [pid 1635] mkdirat(AT_FDCWD, "./config", 0777 [pid 1634] symlink("/dev/binderfs", "./binderfs" [pid 313] rmdir("./271/config" [pid 311] openat(AT_FDCWD, "./262/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1636] <... chdir resumed>) = 0 [pid 1635] <... mkdirat resumed>) = 0 [pid 1634] <... symlink resumed>) = 0 [pid 1635] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 1636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1634] write(1, "executing program\n", 18 [pid 313] umount2("./271/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 1636] <... prctl resumed>) = 0 executing program [pid 1635] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1634] <... write resumed>) = 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1636] setpgid(0, 0 [pid 1635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1635] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1634] mkdirat(AT_FDCWD, "./config", 0777 [pid 1636] <... setpgid resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./271/binderfs" [pid 1635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] getdents64(4 [pid 1636] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1635] <... mkdirat resumed>) = 0 [pid 1634] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1636] <... symlink resumed>) = 0 [pid 1635] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1634] mount(NULL, "./config", "configfs", 0, NULL [pid 313] unlink("./271/binderfs" [pid 311] getdents64(4 [pid 1636] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1635] <... symlinkat resumed>) = 0 [pid 1635] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1634] <... mount resumed>) = 0 [pid 1635] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1636] <... symlink resumed>) = 0 [pid 1635] <... unlinkat resumed>) = 0 [pid 1634] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] umount2("./271/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 1636] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1635] close(3) = -1 EBADF (Bad file descriptor) [pid 1634] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 1636] <... symlink resumed>) = 0 [pid 1635] close(4 [pid 1634] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] newfstatat(AT_FDCWD, "./271/cgroup.net" [pid 311] rmdir("./262/config" [pid 1636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1635] close(5 [pid 311] <... rmdir resumed>) = 0 [pid 1636] <... openat resumed>) = 3 [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1636] write(3, "1000", 4 [pid 1635] close(6 [pid 1634] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] unlink("./271/cgroup.net" [pid 311] umount2("./262/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1636] <... write resumed>) = 4 [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1635] close(7) = -1 EBADF (Bad file descriptor) [pid 1634] <... mkdirat resumed>) = 0 [pid 1636] close(3 [pid 1635] close(8 [pid 1634] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1636] <... close resumed>) = 0 [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1635] close(9 [pid 1634] <... symlinkat resumed>) = 0 [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./271/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./262/binderfs" [pid 1636] symlink("/dev/binderfs", "./binderfs" [pid 1635] close(10 [pid 1634] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1636] <... symlink resumed>) = 0 [pid 1635] close(11 [pid 313] newfstatat(AT_FDCWD, "./271/cgroup.cpu" [pid 1636] write(1, "executing program\n", 18 [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... unlinkat resumed>) = 0 executing program [pid 311] unlink("./262/binderfs" [pid 1636] <... write resumed>) = 18 [pid 1635] close(12 [pid 1634] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1636] mkdirat(AT_FDCWD, "./config", 0777 [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1635] close(13 [pid 1634] <... unlinkat resumed>) = 0 [pid 313] unlink("./271/cgroup.cpu" [pid 1636] <... mkdirat resumed>) = 0 [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] close(3 [pid 311] umount2("./262/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1636] mount(NULL, "./config", "configfs", 0, NULL [pid 1635] close(14 [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1636] <... mount resumed>) = 0 [pid 1635] close(15 [pid 313] umount2("./271/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1634] close(4 [pid 311] newfstatat(AT_FDCWD, "./262/cgroup.net" [pid 1636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1636] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1635] close(16 [pid 1634] close(5 [pid 313] newfstatat(AT_FDCWD, "./271/cgroup" [pid 1636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./262/cgroup.net" [pid 1636] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1635] close(17 [pid 1634] close(6 [pid 313] unlink("./271/cgroup" [pid 1636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1635] close(18) = -1 EBADF (Bad file descriptor) [pid 1635] close(19) = -1 EBADF (Bad file descriptor) [pid 1635] close(20) = -1 EBADF (Bad file descriptor) [pid 1635] close(21) = -1 EBADF (Bad file descriptor) [pid 1635] close(22) = -1 EBADF (Bad file descriptor) [pid 1635] close(23) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1635] close(24) = -1 EBADF (Bad file descriptor) [pid 1636] <... mkdirat resumed>) = 0 [pid 1635] close(25 [pid 1636] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] close(7 [pid 313] getdents64(3 [pid 311] umount2("./262/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1636] <... symlinkat resumed>) = 0 [pid 1635] close(26 [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1636] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] close(8 [pid 313] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1636] <... unlinkat resumed>) = 0 [pid 1635] close(27 [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./262/cgroup.cpu" [pid 1636] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] close(9 [pid 313] rmdir("./271" [pid 1635] close(28 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1636] <... unlinkat resumed>) = 0 [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1636] close(3 [pid 1635] close(29 [pid 1634] close(10 [pid 313] <... rmdir resumed>) = 0 [pid 311] unlink("./262/cgroup.cpu" [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./272", 0777 [pid 1636] close(4 [pid 1635] exit_group(0 [pid 1634] close(11 [pid 311] <... unlink resumed>) = 0 [pid 1635] <... exit_group resumed>) = ? [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1635] +++ exited with 0 +++ [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 311] umount2("./262/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1636] close(5 [pid 1634] close(12 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1636] close(6 [pid 1634] close(13 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] newfstatat(AT_FDCWD, "./262/cgroup" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1637 attached [pid 1636] close(7 [pid 1634] close(14 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1637] set_robust_list(0x55555bb49760, 24 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 274 [pid 1637] <... set_robust_list resumed>) = 0 [pid 1636] close(8 [pid 1634] close(15 [pid 311] unlink("./262/cgroup" [pid 1637] rt_sigprocmask(SIG_SETMASK, [] [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] chdir("./272" [pid 1636] close(9 [pid 1634] close(16 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1637] <... chdir resumed>) = 0 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1636] close(10 [pid 311] getdents64(3 [pid 1637] <... prctl resumed>) = 0 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] close(17 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1637] setpgid(0, 0) = 0 [pid 1636] close(11 [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 1637] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] close(18 [pid 1637] <... symlink resumed>) = 0 [pid 1636] close(12 [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1637] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] close(19 [pid 311] rmdir("./262" [pid 1637] <... symlink resumed>) = 0 [pid 1636] close(13 [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] close(20 [pid 311] <... rmdir resumed>) = 0 [pid 1637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1636] close(14 [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] mkdir("./263", 0777 [pid 1637] <... openat resumed>) = 3 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] close(21 [pid 1637] write(3, "1000", 4 [pid 1636] close(15 [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 1637] <... write resumed>) = 4 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] close(22 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1637] close(3 [pid 1636] close(16 [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1637] <... close resumed>) = 0 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] close(23 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1637] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1636] close(17 [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] write(1, "executing program\n", 18) = 18 [pid 1637] mkdirat(AT_FDCWD, "./config", 0777) = 0 ci2-android-5-15/strace-static-x86_64: Process 1638 attached executing program [pid 1637] mount(NULL, "./config", "configfs", 0, NULL [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] close(24 [pid 1638] set_robust_list(0x55555bb49760, 24 [pid 1637] <... mount resumed>) = 0 [pid 1638] <... set_robust_list resumed>) = 0 [pid 1637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1636] close(18 [pid 1638] rt_sigprocmask(SIG_SETMASK, [] [pid 1637] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 265 [pid 1638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1636] close(19 [pid 1634] close(25 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1638] chdir("./263" [pid 1637] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... chdir resumed>) = 0 [pid 1637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1636] close(20 [pid 1634] close(26 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1637] <... mkdirat resumed>) = 0 [pid 1638] <... prctl resumed>) = 0 [pid 1637] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] setpgid(0, 0 [pid 1637] <... symlinkat resumed>) = 0 [pid 1638] <... setpgid resumed>) = 0 [pid 1637] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1636] close(21 [pid 1634] close(27 [pid 1638] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1637] <... unlinkat resumed>) = 0 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... symlink resumed>) = 0 [pid 1637] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1638] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1637] <... unlinkat resumed>) = 0 [pid 1636] close(22 [pid 1634] close(28 [pid 1638] <... symlink resumed>) = 0 [pid 1637] close(3 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1636] close(23 [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... symlink resumed>) = 0 [pid 1637] close(4 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] close(29 [pid 1638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... openat resumed>) = 3 [pid 1637] close(5 [pid 1636] close(24 [pid 1634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1638] write(3, "1000", 4 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... write resumed>) = 4 [pid 1637] close(6 [pid 1636] close(25 [pid 1634] exit_group(0 [pid 1638] close(3 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] <... exit_group resumed>) = ? [pid 1638] <... close resumed>) = 0 [pid 1637] close(7 [pid 1638] symlink("/dev/binderfs", "./binderfs" [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1636] close(26 [pid 1638] <... symlink resumed>) = 0 [pid 1637] close(8 [pid 1638] write(1, "executing program\n", 18 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... write resumed>) = 18 [pid 1637] close(9 [pid 1638] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1634] +++ exited with 0 +++ [pid 1638] <... mkdirat resumed>) = 0 [pid 1637] close(10 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./267", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1638] mount(NULL, "./config", "configfs", 0, NULL [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1636] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1638] <... mount resumed>) = 0 [pid 1637] close(11 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1638] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1636] close(28 [pid 1638] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1637] close(12 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1638] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1636] close(29 [pid 312] fstat(3 [pid 1638] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1637] close(13 [pid 1636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1638] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1636] exit_group(0 [pid 1638] <... mkdirat resumed>) = 0 [pid 1637] close(14 [pid 1636] <... exit_group resumed>) = ? [pid 312] getdents64(3 [pid 1638] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... symlinkat resumed>) = 0 [pid 1637] close(15 [pid 1638] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... unlinkat resumed>) = 0 [pid 1637] close(16 [pid 1638] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1636] +++ exited with 0 +++ [pid 1638] <... unlinkat resumed>) = 0 [pid 1637] close(17 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1638] close(3 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] close(18 [pid 1638] close(4 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] close(19 [pid 312] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1638] close(5 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] close(20 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1638] close(6 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./267/config" [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] close(21 [pid 1638] close(7 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] close(22 [pid 1638] close(8 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] close(23 [pid 1638] close(9 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1638] close(10 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./267/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] close(25 [pid 1638] close(11 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] close(26 [pid 312] <... openat resumed>) = 4 [pid 1638] close(12 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] close(27 [pid 312] fstat(4 [pid 1638] close(13 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] close(28 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1638] close(14 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] close(29 [pid 312] getdents64(4 [pid 1638] close(15 [pid 1637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] exit_group(0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1638] close(16 [pid 1637] <... exit_group resumed>) = ? [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1637] +++ exited with 0 +++ [pid 312] getdents64(4 [pid 1638] close(17) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1638] close(18 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] close(4 [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] close(19) = -1 EBADF (Bad file descriptor) [pid 1638] close(20) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... close resumed>) = 0 [pid 1638] close(21) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./267/config" [pid 1638] close(22) = -1 EBADF (Bad file descriptor) [pid 1638] close(23 [pid 312] <... rmdir resumed>) = 0 [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] close(24 [pid 312] umount2("./267/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./267/binderfs" [pid 1638] close(26) = -1 EBADF (Bad file descriptor) [pid 1638] close(27) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1638] close(28 [pid 312] unlink("./267/binderfs" [pid 1638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1638] close(29) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1638] exit_group(0 [pid 312] umount2("./267/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1638] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1638] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./267/cgroup.net" [pid 310] umount2("./260", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./267/cgroup.net" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 312] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 312] umount2("./267/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./267/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./267/cgroup.cpu" [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./267/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./260/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./267/cgroup" [pid 310] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./267/cgroup" [pid 310] openat(AT_FDCWD, "./260/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 312] getdents64(3 [pid 310] fstat(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] close(3 [pid 310] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 312] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] rmdir("./267" [pid 310] close(4 [pid 312] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 312] mkdir("./268", 0777 [pid 310] rmdir("./260/config" [pid 312] <... mkdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./260/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./260/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./260/binderfs") = 0 [pid 310] umount2("./260/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./260/cgroup.net" [pid 309] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1639 attached [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1639] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 270 [pid 310] unlink("./260/cgroup.net" [pid 1639] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./257", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1639] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./260/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1639] chdir("./268" [pid 310] newfstatat(AT_FDCWD, "./260/cgroup.cpu" [pid 309] <... openat resumed>) = 3 [pid 1639] <... chdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 1639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] unlink("./260/cgroup.cpu" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1639] <... prctl resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 1639] setpgid(0, 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 310] umount2("./260/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1639] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1639] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 310] newfstatat(AT_FDCWD, "./260/cgroup" [pid 309] <... umount2 resumed>) = 0 [pid 1639] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1639] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 310] unlink("./260/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1639] <... symlink resumed>) = 0 [pid 313] umount2("./272", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./257/config" [pid 1639] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1639] <... symlink resumed>) = 0 [pid 313] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./257/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... openat resumed>) = 3 [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1639] <... openat resumed>) = 3 [pid 313] fstat(3 [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./257/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1639] write(3, "1000", 4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] rmdir("./260" [pid 309] <... openat resumed>) = 4 [pid 1639] <... write resumed>) = 4 [pid 313] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 1639] close(3 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] mkdir("./261", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1639] <... close resumed>) = 0 [pid 313] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 1639] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1639] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 1639] write(1, "executing program\n", 18 [pid 313] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1640 attached [pid 1639] <... write resumed>) = 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 1640] set_robust_list(0x55555bb49760, 24 [pid 1639] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] newfstatat(AT_FDCWD, "./272/config" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 263 [pid 309] <... close resumed>) = 0 [pid 1640] <... set_robust_list resumed>) = 0 [pid 1639] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./257/config" [pid 1640] rt_sigprocmask(SIG_SETMASK, [] [pid 1639] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1639] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./257/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1640] chdir("./261" [pid 1639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] openat(AT_FDCWD, "./272/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1640] <... chdir resumed>) = 0 [pid 1639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... restart_syscall resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./257/binderfs" [pid 1640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1640] <... prctl resumed>) = 0 [pid 1639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] fstat(4 [pid 309] unlink("./257/binderfs" [pid 1640] setpgid(0, 0 [pid 1639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1640] <... setpgid resumed>) = 0 [pid 309] umount2("./257/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1639] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(4 [pid 1640] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1639] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] umount2("./263", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./257/cgroup.net" [pid 1640] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1640] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1639] <... symlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 311] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./257/cgroup.net" [pid 1640] <... symlink resumed>) = 0 [pid 1639] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 1640] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1639] <... unlinkat resumed>) = 0 [pid 313] close(4 [pid 311] fstat(3 [pid 309] umount2("./257/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1640] <... symlink resumed>) = 0 [pid 1639] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... close resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] newfstatat(AT_FDCWD, "./257/cgroup.cpu" [pid 1639] <... unlinkat resumed>) = 0 [pid 313] rmdir("./272/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3 [pid 1640] <... openat resumed>) = 3 [pid 309] unlink("./257/cgroup.cpu" [pid 1640] write(3, "1000", 4 [pid 1639] close(3 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... unlink resumed>) = 0 [pid 1640] <... write resumed>) = 4 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./272/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./257/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1640] close(3 [pid 1639] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1640] <... close resumed>) = 0 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./272/binderfs" [pid 311] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./257/cgroup" [pid 1640] symlink("/dev/binderfs", "./binderfs" [pid 1639] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1640] <... symlink resumed>) = 0 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./272/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./257/cgroup" [pid 1640] write(1, "executing program\n", 18 [pid 1639] close(6 [pid 313] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./263/config" [pid 309] <... unlink resumed>) = 0 [pid 1640] <... write resumed>) = 18 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./272/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 309] getdents64(3 [pid 1640] mkdirat(AT_FDCWD, "./config", 0777 [pid 1639] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1640] <... mkdirat resumed>) = 0 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./272/cgroup.net" [pid 309] close(3 [pid 1640] mount(NULL, "./config", "configfs", 0, NULL [pid 1639] close(8 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./257" [pid 1640] <... mount resumed>) = 0 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./272/cgroup.net" [pid 311] openat(AT_FDCWD, "./263/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 1640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1639] close(9 [pid 313] <... unlink resumed>) = 0 [pid 309] mkdir("./258", 0777 [pid 1640] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./272/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 4 [pid 309] <... mkdir resumed>) = 0 [pid 1640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1639] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1640] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./272/cgroup.cpu" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1639] close(11 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1640] <... mkdirat resumed>) = 0 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./272/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 260 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1641 attached [pid 1639] close(12 [pid 1641] set_robust_list(0x55555bb49760, 24 [pid 1640] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 1641] <... set_robust_list resumed>) = 0 [pid 1640] <... symlinkat resumed>) = 0 [pid 1639] close(13 [pid 313] umount2("./272/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1641] rt_sigprocmask(SIG_SETMASK, [] [pid 311] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1640] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1639] close(14 [pid 313] newfstatat(AT_FDCWD, "./272/cgroup" [pid 311] rmdir("./263/config" [pid 1641] chdir("./258" [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1640] <... unlinkat resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1639] close(15 [pid 1641] <... chdir resumed>) = 0 [pid 1640] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] unlink("./272/cgroup" [pid 311] umount2("./263/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1640] <... unlinkat resumed>) = 0 [pid 1639] close(16 [pid 313] <... unlink resumed>) = 0 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1639] close(17 [pid 1641] <... prctl resumed>) = 0 [pid 1640] close(3 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./263/binderfs" [pid 1641] setpgid(0, 0 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1639] close(18 [pid 313] close(3 [pid 1641] <... setpgid resumed>) = 0 [pid 1640] close(4 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1641] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1639] close(19 [pid 313] <... close resumed>) = 0 [pid 311] unlink("./263/binderfs" [pid 1641] <... symlink resumed>) = 0 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./272" [pid 1639] close(20 [pid 311] <... unlink resumed>) = 0 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] umount2("./263/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1641] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1640] close(5 [pid 1639] close(21 [pid 313] mkdir("./273", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1641] <... symlink resumed>) = 0 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./263/cgroup.net" [pid 1641] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1639] close(22 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1641] <... symlink resumed>) = 0 [pid 1640] close(6 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1639] close(23 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1640] close(7 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./263/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1642 attached [pid 1642] set_robust_list(0x55555bb49760, 24 [pid 1641] <... openat resumed>) = 3 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1639] close(24 [pid 311] <... unlink resumed>) = 0 [pid 1642] <... set_robust_list resumed>) = 0 [pid 1641] write(3, "1000", 4 [pid 1640] close(8 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 275 [pid 311] umount2("./263/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1641] <... write resumed>) = 4 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1639] close(25 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1642] chdir("./273" [pid 1641] close(3 [pid 1640] close(9 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1642] <... chdir resumed>) = 0 [pid 1642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1641] <... close resumed>) = 0 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1639] close(26 [pid 311] newfstatat(AT_FDCWD, "./263/cgroup.cpu" [pid 1642] <... prctl resumed>) = 0 [pid 1641] symlink("/dev/binderfs", "./binderfs" [pid 1640] close(10 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1642] setpgid(0, 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1642] <... setpgid resumed>) = 0 [pid 1642] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 1641] <... symlink resumed>) = 0 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1639] close(27 [pid 311] unlink("./263/cgroup.cpu" [pid 1642] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1641] write(1, "executing program\n", 18 [pid 1640] close(11 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1642] <... symlink resumed>) = 0 [pid 1641] <... write resumed>) = 18 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1642] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1639] close(28 executing program [pid 1642] <... symlink resumed>) = 0 [pid 1641] mkdirat(AT_FDCWD, "./config", 0777 [pid 1640] close(12 [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./263/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1641] <... mkdirat resumed>) = 0 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1639] close(29 [pid 1642] <... openat resumed>) = 3 [pid 1641] mount(NULL, "./config", "configfs", 0, NULL [pid 1640] close(13 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1642] write(3, "1000", 4) = 4 [pid 1641] <... mount resumed>) = 0 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./263/cgroup" [pid 1642] close(3 [pid 1641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1640] close(14 [pid 1639] exit_group(0 [pid 1642] <... close resumed>) = 0 [pid 1641] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1639] <... exit_group resumed>) = ? [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1642] symlink("/dev/binderfs", "./binderfs" [pid 1641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1640] close(15 [pid 1642] <... symlink resumed>) = 0 [pid 1642] write(1, "executing program\n", 18) = 18 [pid 1642] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1639] +++ exited with 0 +++ [pid 1642] mount(NULL, "./config", "configfs", 0, NULL) = 0 executing program [pid 1641] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] unlink("./263/cgroup" [pid 1642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1640] close(16 [pid 1642] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... unlink resumed>) = 0 [pid 1642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1641] <... mkdirat resumed>) = 0 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1641] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1640] close(17 [pid 1642] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1642] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 1641] <... symlinkat resumed>) = 0 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 1642] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1641] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1640] close(18 [pid 1642] <... unlinkat resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 1642] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1641] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./263" [pid 1642] <... unlinkat resumed>) = 0 [pid 1641] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1640] close(19 [pid 1642] close(3) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1642] close(4 [pid 1641] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] mkdir("./264", 0777 [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(3 [pid 1640] close(20 [pid 1642] close(5 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(4 [pid 1640] close(21 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1642] close(6 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(5 [pid 1640] close(22 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1642] close(7 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./268", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(6 [pid 1640] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1642] close(8) = -1 EBADF (Bad file descriptor) [pid 1642] close(9) = -1 EBADF (Bad file descriptor) [pid 1642] close(10) = -1 EBADF (Bad file descriptor) [pid 1642] close(11ci2-android-5-15/strace-static-x86_64: Process 1643 attached ) = -1 EBADF (Bad file descriptor) [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1643] set_robust_list(0x55555bb49760, 24 [pid 1642] close(12 [pid 1641] close(7 [pid 1640] close(24 [pid 1643] <... set_robust_list resumed>) = 0 [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 266 [pid 1643] rt_sigprocmask(SIG_SETMASK, [] [pid 1642] close(13 [pid 1641] close(8 [pid 1643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1640] close(25 [pid 312] fstat(3 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1643] chdir("./264" [pid 1642] close(14 [pid 1643] <... chdir resumed>) = 0 [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(9 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1642] close(15 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1640] close(26 [pid 312] getdents64(3 [pid 1643] <... prctl resumed>) = 0 [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(10 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1643] setpgid(0, 0 [pid 1642] close(16 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1640] close(27 [pid 312] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1643] <... setpgid resumed>) = 0 [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(11 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1643] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 312] <... umount2 resumed>) = 0 [pid 1643] <... symlink resumed>) = 0 [pid 1642] close(17 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1640] close(28 [pid 312] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1643] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(12 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1643] <... symlink resumed>) = 0 [pid 1642] close(18 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1640] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1643] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(13 [pid 1640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./268/config" [pid 1643] <... symlink resumed>) = 0 [pid 1642] close(19 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(14 [pid 1640] exit_group(0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1643] <... openat resumed>) = 3 [pid 1643] write(3, "1000", 4) = 4 [pid 1643] close(3 [pid 1642] close(20 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1640] <... exit_group resumed>) = ? [pid 312] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1643] <... close resumed>) = 0 [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(15 [pid 1643] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1643] write(1, "executing program\n", 18) = 18 [pid 1643] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1640] +++ exited with 0 +++ executing program [pid 1643] mount(NULL, "./config", "configfs", 0, NULL [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1642] close(21 [pid 1643] <... mount resumed>) = 0 [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(16 [pid 312] openat(AT_FDCWD, "./268/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1642] close(22 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(17 [pid 312] <... openat resumed>) = 4 [pid 1643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1642] close(23 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(18 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1642] close(24 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1643] <... mkdirat resumed>) = 0 [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(19 [pid 312] getdents64(4 [pid 1643] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1642] close(25 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1643] <... symlinkat resumed>) = 0 [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(20 [pid 1643] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1642] close(26 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1643] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(21 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1643] <... unlinkat resumed>) = 0 [pid 1642] close(27 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1643] close(3 [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(22 [pid 1643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1642] close(28 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1643] close(4) = -1 EBADF (Bad file descriptor) [pid 1643] close(5) = -1 EBADF (Bad file descriptor) [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(23 [pid 312] rmdir("./268/config" [pid 1643] close(6 [pid 1642] close(29 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(24 [pid 312] <... rmdir resumed>) = 0 [pid 1643] close(7) = -1 EBADF (Bad file descriptor) [pid 1643] close(8) = -1 EBADF (Bad file descriptor) [pid 1643] close(9 [pid 1642] exit_group(0 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./268/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1642] <... exit_group resumed>) = ? [pid 1641] close(25 [pid 1643] close(10 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1643] close(11) = -1 EBADF (Bad file descriptor) [pid 1643] close(12) = -1 EBADF (Bad file descriptor) [pid 1643] close(13) = -1 EBADF (Bad file descriptor) [pid 1643] close(14) = -1 EBADF (Bad file descriptor) [pid 1643] close(15) = -1 EBADF (Bad file descriptor) [pid 1643] close(16) = -1 EBADF (Bad file descriptor) [pid 1643] close(17 [pid 1642] +++ exited with 0 +++ [pid 1643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1643] close(18 [pid 1641] close(26 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] newfstatat(AT_FDCWD, "./268/binderfs" [pid 1643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1643] close(19 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(27 [pid 312] unlink("./268/binderfs" [pid 1643] close(20 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] close(28 [pid 312] <... unlink resumed>) = 0 [pid 1643] close(21 [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./268/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1641] close(29 [pid 1643] close(22) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1643] close(23 [pid 312] newfstatat(AT_FDCWD, "./268/cgroup.net" [pid 1643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1641] exit_group(0 [pid 1643] close(24) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1643] close(25 [pid 1641] <... exit_group resumed>) = ? [pid 312] unlink("./268/cgroup.net" [pid 1643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1643] close(26) = -1 EBADF (Bad file descriptor) [pid 1643] close(27) = -1 EBADF (Bad file descriptor) [pid 1643] close(28) = -1 EBADF (Bad file descriptor) [pid 1643] close(29) = -1 EBADF (Bad file descriptor) [pid 1643] exit_group(0) = ? [pid 1643] +++ exited with 0 +++ [pid 1641] +++ exited with 0 +++ [pid 312] <... unlink resumed>) = 0 [pid 312] umount2("./268/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] newfstatat(AT_FDCWD, "./268/cgroup.cpu" [pid 311] <... restart_syscall resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./268/cgroup.cpu") = 0 [pid 312] umount2("./268/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./264", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./268/cgroup" [pid 311] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./268/cgroup" [pid 311] <... openat resumed>) = 3 [pid 312] <... unlink resumed>) = 0 [pid 311] fstat(3 [pid 312] getdents64(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] getdents64(3 [pid 312] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... close resumed>) = 0 [pid 311] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./268") = 0 [pid 311] <... umount2 resumed>) = 0 [pid 312] mkdir("./269", 0777 [pid 311] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] newfstatat(AT_FDCWD, "./264/config" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1644 attached [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1644] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 271 [pid 311] openat(AT_FDCWD, "./264/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./261", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1644] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 4 [pid 1644] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] fstat(4 [pid 310] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... openat resumed>) = 3 [pid 1644] chdir("./269" [pid 311] getdents64(4 [pid 310] fstat(3 [pid 1644] <... chdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 1644] <... prctl resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1644] setpgid(0, 0 [pid 310] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1644] <... setpgid resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1644] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 310] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1644] <... symlink resumed>) = 0 [pid 311] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1644] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./261/config" [pid 1644] <... symlink resumed>) = 0 [pid 313] umount2("./273", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1644] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./264/config" [pid 310] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1644] <... symlink resumed>) = 0 [pid 313] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... openat resumed>) = 3 [pid 311] umount2("./264/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./261/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1644] <... openat resumed>) = 3 [pid 313] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 1644] write(3, "1000", 4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./264/binderfs" [pid 310] fstat(4 [pid 1644] <... write resumed>) = 4 [pid 313] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1644] close(3 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] unlink("./264/binderfs" [pid 310] getdents64(4 [pid 1644] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1644] symlink("/dev/binderfs", "./binderfs" [pid 313] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1644] <... symlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1644] write(1, "executing program\n", 18 [pid 313] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./264/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 310] close(4 [pid 1644] <... write resumed>) = 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1644] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] newfstatat(AT_FDCWD, "./273/config" [pid 311] newfstatat(AT_FDCWD, "./264/cgroup.net" [pid 310] rmdir("./261/config" [pid 1644] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1644] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./261/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1644] <... mount resumed>) = 0 [pid 313] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./264/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1644] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./261/binderfs" [pid 1644] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] openat(AT_FDCWD, "./273/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1644] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... openat resumed>) = 4 [pid 310] unlink("./261/binderfs" [pid 1644] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] fstat(4 [pid 311] umount2("./264/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1644] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./261/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] umount2("./258", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1644] <... mkdirat resumed>) = 0 [pid 313] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1644] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] newfstatat(AT_FDCWD, "./264/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./261/cgroup.net" [pid 309] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1644] <... symlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 1644] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] unlink("./264/cgroup.cpu" [pid 310] unlink("./261/cgroup.net" [pid 309] fstat(3 [pid 1644] <... unlinkat resumed>) = 0 [pid 313] close(4 [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1644] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... close resumed>) = 0 [pid 311] umount2("./264/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./261/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1644] <... unlinkat resumed>) = 0 [pid 313] rmdir("./273/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1644] close(3 [pid 313] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./264/cgroup" [pid 310] newfstatat(AT_FDCWD, "./261/cgroup.cpu" [pid 309] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./273/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1644] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./261/cgroup.cpu" [pid 309] <... umount2 resumed>) = 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./273/binderfs" [pid 311] unlink("./264/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1644] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./261/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./273/binderfs" [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./258/config" [pid 1644] close(6 [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./261/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./273/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./258/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1644] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] unlink("./261/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./273/cgroup.net" [pid 311] rmdir("./264" [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./258/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1644] close(8 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... openat resumed>) = 4 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./273/cgroup.net" [pid 311] mkdir("./265", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 1644] close(9 [pid 310] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 1644] close(10 [pid 313] umount2("./273/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./261" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 1644] close(11 [pid 313] newfstatat(AT_FDCWD, "./273/cgroup.cpu" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] mkdir("./262", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] close(4 [pid 1644] close(12 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1645 attached [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./273/cgroup.cpu" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rmdir("./258/config" [pid 1645] set_robust_list(0x55555bb49760, 24 [pid 1644] close(13 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1646 attached [pid 1645] <... set_robust_list resumed>) = 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 267 [pid 309] umount2("./258/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1646] set_robust_list(0x55555bb49760, 24 [pid 1645] rt_sigprocmask(SIG_SETMASK, [] [pid 1644] close(14 [pid 313] umount2("./273/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 264 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1646] <... set_robust_list resumed>) = 0 [pid 1645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./258/binderfs" [pid 1646] rt_sigprocmask(SIG_SETMASK, [] [pid 1645] chdir("./265" [pid 1644] close(15 [pid 313] newfstatat(AT_FDCWD, "./273/cgroup" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1646] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1645] <... chdir resumed>) = 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./258/binderfs" [pid 1646] chdir("./262" [pid 1645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1644] close(16 [pid 313] unlink("./273/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1646] <... chdir resumed>) = 0 [pid 1645] <... prctl resumed>) = 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./258/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1645] setpgid(0, 0 [pid 1644] close(17 [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1646] <... prctl resumed>) = 0 [pid 1645] <... setpgid resumed>) = 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./258/cgroup.net" [pid 1646] setpgid(0, 0 [pid 1645] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1644] close(18 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1646] <... setpgid resumed>) = 0 [pid 1645] <... symlink resumed>) = 0 [pid 309] unlink("./258/cgroup.net" [pid 1646] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1645] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] <... unlink resumed>) = 0 [pid 1646] <... symlink resumed>) = 0 [pid 1645] <... symlink resumed>) = 0 [pid 1644] close(19 [pid 313] <... close resumed>) = 0 [pid 309] umount2("./258/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1646] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1645] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./273" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1646] <... symlink resumed>) = 0 [pid 1645] <... symlink resumed>) = 0 [pid 1644] close(20 [pid 313] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./258/cgroup.cpu" [pid 1646] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./274", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1646] <... symlink resumed>) = 0 [pid 1645] <... openat resumed>) = 3 [pid 309] unlink("./258/cgroup.cpu" [pid 1645] write(3, "1000", 4 [pid 309] <... unlink resumed>) = 0 [pid 1645] <... write resumed>) = 4 [pid 1644] close(21 [pid 309] umount2("./258/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1645] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1645] <... close resumed>) = 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./258/cgroup" [pid 1646] <... openat resumed>) = 3 [pid 1645] symlink("/dev/binderfs", "./binderfs" [pid 1644] close(22 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1646] write(3, "1000", 4 [pid 1645] <... symlink resumed>) = 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] unlink("./258/cgroup" [pid 1646] <... write resumed>) = 4 [pid 1645] write(1, "executing program\n", 18 [pid 1644] close(23 executing program [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... unlink resumed>) = 0 [pid 1646] close(3 [pid 1645] <... write resumed>) = 18 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1645] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1645] <... mkdirat resumed>) = 0 [pid 309] close(3ci2-android-5-15/strace-static-x86_64: Process 1647 attached [pid 1646] <... close resumed>) = 0 [pid 1645] mount(NULL, "./config", "configfs", 0, NULL [pid 1644] close(24 [pid 309] <... close resumed>) = 0 [pid 1647] set_robust_list(0x55555bb49760, 24 [pid 1646] symlink("/dev/binderfs", "./binderfs" [pid 1645] <... mount resumed>) = 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 276 [pid 309] rmdir("./258" [pid 1647] <... set_robust_list resumed>) = 0 [pid 1645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 1647] rt_sigprocmask(SIG_SETMASK, [] [pid 1646] <... symlink resumed>) = 0 [pid 1645] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1644] close(25 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] mkdir("./259", 0777 [pid 1647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1646] write(1, "executing program\n", 18 [pid 1645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 executing program [pid 1647] chdir("./274" [pid 1646] <... write resumed>) = 18 [pid 1645] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1644] close(26 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1647] <... chdir resumed>) = 0 [pid 1646] mkdirat(AT_FDCWD, "./config", 0777 [pid 1645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1646] <... mkdirat resumed>) = 0 [pid 1645] <... mkdirat resumed>) = 0 [pid 1644] close(27 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1647] <... prctl resumed>) = 0 [pid 1646] mount(NULL, "./config", "configfs", 0, NULL [pid 1645] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1648 attached [pid 1647] setpgid(0, 0 [pid 1646] <... mount resumed>) = 0 [pid 1645] <... symlinkat resumed>) = 0 [pid 1644] close(28 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 261 [pid 1648] set_robust_list(0x55555bb49760, 24 [pid 1647] <... setpgid resumed>) = 0 [pid 1646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1645] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1648] <... set_robust_list resumed>) = 0 [pid 1647] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1645] <... unlinkat resumed>) = 0 [pid 1644] close(29 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1648] rt_sigprocmask(SIG_SETMASK, [] [pid 1645] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1647] <... symlink resumed>) = 0 [pid 1646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1645] <... unlinkat resumed>) = 0 [pid 1644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] chdir("./259" [pid 1647] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1645] close(3) = -1 EBADF (Bad file descriptor) [pid 1645] close(4 [pid 1644] exit_group(0 [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] <... chdir resumed>) = 0 [pid 1647] <... symlink resumed>) = 0 [pid 1646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1645] close(5 [pid 1644] <... exit_group resumed>) = ? [pid 1648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1647] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] <... mkdirat resumed>) = 0 [pid 1648] <... prctl resumed>) = 0 [pid 1645] close(6 [pid 1647] <... symlink resumed>) = 0 [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] setpgid(0, 0 [pid 1646] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1645] close(7) = -1 EBADF (Bad file descriptor) [pid 1645] close(8) = -1 EBADF (Bad file descriptor) [pid 1645] close(9) = -1 EBADF (Bad file descriptor) [pid 1645] close(10) = -1 EBADF (Bad file descriptor) [pid 1645] close(11) = -1 EBADF (Bad file descriptor) [pid 1644] +++ exited with 0 +++ [pid 1648] <... setpgid resumed>) = 0 [pid 1645] close(12 [pid 1646] <... symlinkat resumed>) = 0 [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1646] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1645] close(13 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1648] <... symlink resumed>) = 0 [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] <... unlinkat resumed>) = 0 [pid 1645] close(14 [pid 1648] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1647] <... openat resumed>) = 3 [pid 1646] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1648] <... symlink resumed>) = 0 [pid 1645] close(15) = -1 EBADF (Bad file descriptor) [pid 1648] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1646] <... unlinkat resumed>) = 0 [pid 1645] close(16 [pid 1647] write(3, "1000", 4 [pid 1648] <... symlink resumed>) = 0 [pid 1646] close(3 [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] <... write resumed>) = 4 [pid 1645] close(17 [pid 1648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1647] close(3 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1645] close(18 [pid 1648] <... openat resumed>) = 3 [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] close(4 [pid 1648] write(3, "1000", 4 [pid 1647] <... close resumed>) = 0 [pid 1645] close(19 [pid 1648] <... write resumed>) = 4 [pid 1647] symlink("/dev/binderfs", "./binderfs" [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] close(3 [pid 1645] close(20 [pid 1648] <... close resumed>) = 0 [pid 1647] <... symlink resumed>) = 0 [pid 1646] close(5 [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] symlink("/dev/binderfs", "./binderfs" [pid 1647] write(1, "executing program\n", 18 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1645] close(21 [pid 1648] <... symlink resumed>) = 0 executing program [pid 1646] close(6 [pid 1647] <... write resumed>) = 18 [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] write(1, "executing program\n", 18 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1645] close(22 [pid 1648] <... write resumed>) = 18 [pid 1647] mkdirat(AT_FDCWD, "./config", 0777 [pid 1646] close(7 [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] mkdirat(AT_FDCWD, "./config", 0777 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1645] close(23 [pid 1647] <... mkdirat resumed>) = 0 [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1648] <... mkdirat resumed>) = 0 [pid 1647] mount(NULL, "./config", "configfs", 0, NULL [pid 1646] close(8 [pid 1645] close(24 [pid 1648] mount(NULL, "./config", "configfs", 0, NULL [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] <... mount resumed>) = 0 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1645] close(25 [pid 1648] <... mount resumed>) = 0 [pid 1647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1646] close(9 [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1647] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1645] close(26 [pid 1648] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1646] close(10 [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1645] close(27 [pid 1648] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1647] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1646] close(11 [pid 1645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1645] close(28) = -1 EBADF (Bad file descriptor) [pid 1645] close(29) = -1 EBADF (Bad file descriptor) [pid 1645] exit_group(0 [pid 1648] <... mkdirat resumed>) = 0 [pid 1646] close(12 [pid 1647] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1645] <... exit_group resumed>) = ? [pid 1648] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1647] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1645] +++ exited with 0 +++ [pid 1648] <... symlinkat resumed>) = 0 [pid 1646] close(13 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1648] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1647] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1648] <... unlinkat resumed>) = 0 [pid 1647] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1646] close(14 [pid 1648] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1647] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] <... unlinkat resumed>) = 0 [pid 1646] close(15 [pid 1647] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1648] close(3 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1646] close(16 [pid 1648] close(4 [pid 1647] close(3 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] close(5 [pid 1646] close(17 [pid 1647] close(4 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] close(6 [pid 1647] close(5 [pid 1646] close(18 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] close(7 [pid 1647] close(6 [pid 1646] close(19 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] close(8 [pid 1646] close(20 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(7 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] close(9 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] close(21 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(8 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] close(10 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] close(22 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(9 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] close(11 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] close(23 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(10 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] close(12 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] close(24 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(11 [pid 1648] close(13 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(12 [pid 1646] close(25 [pid 1648] close(14 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(13 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] close(15 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] close(26 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(14 [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] close(16 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] close(27 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(15 [pid 1648] close(17 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(16 [pid 1646] close(28 [pid 1648] close(18 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(17 [pid 1646] close(29 [pid 1648] close(19 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(18 [pid 1648] close(20 [pid 1646] exit_group(0 [pid 312] umount2("./269", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(19 [pid 1646] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1648] close(21 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1646] +++ exited with 0 +++ [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(20 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1648] close(22 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(21 [pid 312] <... openat resumed>) = 3 [pid 1648] close(23 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(22 [pid 312] fstat(3 [pid 1648] close(24 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(23 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1648] close(25 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(24 [pid 312] getdents64(3 [pid 1648] close(26 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(25 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] umount2("./262", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1648] close(27 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(26 [pid 310] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1648] close(28 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(27 [pid 312] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./265", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 1648] close(29 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1647] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1648] exit_group(0 [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./269/config" [pid 311] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1648] <... exit_group resumed>) = ? [pid 1647] close(29 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 310] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1648] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./262/config" [pid 1647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1647] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1647] <... exit_group resumed>) = ? [pid 312] openat(AT_FDCWD, "./269/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./262/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 1647] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./262/config" [pid 312] <... openat resumed>) = 4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... rmdir resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] fstat(4 [pid 311] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./262/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(4 [pid 311] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./262/binderfs" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./265/config" [pid 310] unlink("./262/binderfs") = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./262/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(4 [pid 311] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./262/cgroup.net" [pid 312] rmdir("./269/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./265/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./262/cgroup.net" [pid 312] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] <... unlink resumed>) = 0 [pid 312] umount2("./269/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 310] umount2("./262/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./269/binderfs" [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./262/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./269/binderfs" [pid 311] getdents64(4 [pid 310] unlink("./262/cgroup.cpu" [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 312] umount2("./269/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 310] umount2("./262/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./269/cgroup.net" [pid 311] rmdir("./265/config" [pid 310] newfstatat(AT_FDCWD, "./262/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./269/cgroup.net" [pid 311] umount2("./265/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./262/cgroup" [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 312] umount2("./269/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./265/binderfs" [pid 310] getdents64(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 313] umount2("./274", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./269/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./265/binderfs" [pid 310] rmdir("./262" [pid 313] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] unlink("./269/cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 310] mkdir("./263", 0777 [pid 313] fstat(3 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./265/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] umount2("./269/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./265/cgroup.net" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./269/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1649 attached [pid 313] <... umount2 resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./265/cgroup.net" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 265 [pid 309] <... restart_syscall resumed>) = 0 [pid 1649] set_robust_list(0x55555bb49760, 24 [pid 313] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./269/cgroup" [pid 311] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1649] <... set_robust_list resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] umount2("./265/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./259", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1649] rt_sigprocmask(SIG_SETMASK, [] [pid 313] newfstatat(AT_FDCWD, "./274/config" [pid 312] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./265/cgroup.cpu" [pid 309] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1649] chdir("./263" [pid 313] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 1649] <... chdir resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 311] unlink("./265/cgroup.cpu" [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] openat(AT_FDCWD, "./274/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] rmdir("./269" [pid 309] getdents64(3 [pid 1649] <... prctl resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1649] setpgid(0, 0 [pid 313] fstat(4 [pid 312] mkdir("./270", 0777 [pid 311] umount2("./265/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1649] <... setpgid resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 1649] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] getdents64(4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] newfstatat(AT_FDCWD, "./265/cgroup" [pid 309] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1649] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1649] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] getdents64(4 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] unlink("./265/cgroup" [pid 309] newfstatat(AT_FDCWD, "./259/config" [pid 1649] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./259/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./259/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 ci2-android-5-15/strace-static-x86_64: Process 1650 attached [pid 309] fstat(4 [pid 311] <... unlink resumed>) = 0 [pid 1650] set_robust_list(0x55555bb49760, 24 [pid 1649] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] close(4 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 272 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1650] <... set_robust_list resumed>) = 0 [pid 311] getdents64(3 [pid 309] getdents64(4 [pid 1650] rt_sigprocmask(SIG_SETMASK, [] [pid 1649] <... symlink resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] rmdir("./274/config" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] close(3 [pid 309] getdents64(4 [pid 1650] chdir("./270" [pid 1649] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1650] <... chdir resumed>) = 0 [pid 1649] write(3, "1000", 4 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 309] close(4 [pid 1650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1649] <... write resumed>) = 4 [pid 313] umount2("./274/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1650] <... prctl resumed>) = 0 [pid 1649] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./265" [pid 309] rmdir("./259/config" [pid 1650] setpgid(0, 0 [pid 1649] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./274/binderfs" [pid 311] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1650] <... setpgid resumed>) = 0 [pid 1649] symlink("/dev/binderfs", "./binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] mkdir("./266", 0777 [pid 309] umount2("./259/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1650] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1649] <... symlink resumed>) = 0 [pid 313] unlink("./274/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1650] <... symlink resumed>) = 0 [pid 1649] write(1, "executing program\n", 18 [pid 311] <... mkdir resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./259/binderfs" executing program [pid 1650] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1649] <... write resumed>) = 18 [pid 313] umount2("./274/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1650] <... symlink resumed>) = 0 [pid 1649] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] unlink("./259/binderfs" [pid 1650] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1649] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./274/cgroup.net" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... unlink resumed>) = 0 [pid 1650] <... symlink resumed>) = 0 [pid 309] umount2("./259/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1650] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./259/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1651 attached [pid 1650] write(3, "1000", 4 [pid 1649] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1651] set_robust_list(0x55555bb49760, 24 [pid 1650] <... write resumed>) = 4 [pid 1649] <... mount resumed>) = 0 [pid 313] unlink("./274/cgroup.net" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 268 [pid 309] unlink("./259/cgroup.net" [pid 1651] <... set_robust_list resumed>) = 0 [pid 1650] close(3 [pid 1649] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... unlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 1651] rt_sigprocmask(SIG_SETMASK, [] [pid 1650] <... close resumed>) = 0 [pid 1649] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./274/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./259/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1650] symlink("/dev/binderfs", "./binderfs" [pid 1649] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1651] chdir("./266" [pid 1650] <... symlink resumed>) = 0 [pid 1649] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./274/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./259/cgroup.cpu" [pid 1651] <... chdir resumed>) = 0 [pid 1650] write(1, "executing program\n", 18 [pid 1649] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1650] <... write resumed>) = 18 executing program [pid 309] unlink("./259/cgroup.cpu" [pid 1651] <... prctl resumed>) = 0 [pid 1650] mkdirat(AT_FDCWD, "./config", 0777 [pid 1649] <... mkdirat resumed>) = 0 [pid 313] unlink("./274/cgroup.cpu" [pid 309] <... unlink resumed>) = 0 [pid 1651] setpgid(0, 0 [pid 1650] <... mkdirat resumed>) = 0 [pid 1649] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./259/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1651] <... setpgid resumed>) = 0 [pid 1650] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1651] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1650] <... mount resumed>) = 0 [pid 1649] <... symlinkat resumed>) = 0 [pid 313] umount2("./274/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./259/cgroup" [pid 1651] <... symlink resumed>) = 0 [pid 1650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1649] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1651] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1650] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1649] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./274/cgroup" [pid 309] unlink("./259/cgroup" [pid 1651] <... symlink resumed>) = 0 [pid 1650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1649] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... unlink resumed>) = 0 [pid 1651] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1650] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1651] <... symlink resumed>) = 0 [pid 1650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1649] <... unlinkat resumed>) = 0 [pid 313] unlink("./274/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1650] <... mkdirat resumed>) = 0 [pid 1649] close(3 [pid 309] close(3 [pid 313] <... unlink resumed>) = 0 [pid 1651] <... openat resumed>) = 3 [pid 1650] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1651] write(3, "1000", 4 [pid 1650] <... symlinkat resumed>) = 0 [pid 1649] close(4 [pid 313] getdents64(3 [pid 309] rmdir("./259" [pid 1651] <... write resumed>) = 4 [pid 1650] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1651] close(3 [pid 1650] <... unlinkat resumed>) = 0 [pid 309] mkdir("./260", 0777 [pid 1651] <... close resumed>) = 0 [pid 1650] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1649] close(5 [pid 313] close(3 [pid 309] <... mkdir resumed>) = 0 [pid 1651] symlink("/dev/binderfs", "./binderfs" [pid 1650] <... unlinkat resumed>) = 0 [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1651] <... symlink resumed>) = 0 [pid 1650] close(3 [pid 1649] close(6 [pid 313] rmdir("./274" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1651] write(1, "executing program\n", 18 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1652 attached [pid 1651] <... write resumed>) = 18 [pid 1650] close(4 [pid 1649] close(7 [pid 313] mkdir("./275", 0777 [pid 1652] set_robust_list(0x55555bb49760, 24 [pid 1651] mkdirat(AT_FDCWD, "./config", 0777 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 262 [pid 1652] <... set_robust_list resumed>) = 0 [pid 1651] <... mkdirat resumed>) = 0 [pid 1650] close(5 [pid 1649] close(8 [pid 313] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1652] rt_sigprocmask(SIG_SETMASK, [] [pid 1651] mount(NULL, "./config", "configfs", 0, NULL [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1651] <... mount resumed>) = 0 [pid 1650] close(6 [pid 1649] close(9 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1652] chdir("./260" [pid 1651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1652] <... chdir resumed>) = 0 [pid 1651] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1650] close(7 [pid 1651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(10 [pid 1651] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1650] close(8 [pid 1651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1653 attached [pid 1652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1651] <... mkdirat resumed>) = 0 [pid 1650] close(9 [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] set_robust_list(0x55555bb49760, 24 [pid 1652] <... prctl resumed>) = 0 [pid 1651] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(11 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 277 [pid 1653] <... set_robust_list resumed>) = 0 [pid 1652] setpgid(0, 0 [pid 1651] <... symlinkat resumed>) = 0 [pid 1650] close(10 [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] rt_sigprocmask(SIG_SETMASK, [] [pid 1652] <... setpgid resumed>) = 0 [pid 1651] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(12 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1652] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1651] <... unlinkat resumed>) = 0 [pid 1650] close(11 [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1653] chdir("./275" [pid 1652] <... symlink resumed>) = 0 [pid 1651] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(13 [pid 1653] <... chdir resumed>) = 0 [pid 1652] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1651] <... unlinkat resumed>) = 0 [pid 1650] close(12 [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1652] <... symlink resumed>) = 0 [pid 1651] close(3 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(14 [pid 1653] <... prctl resumed>) = 0 [pid 1652] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(13 [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] setpgid(0, 0 [pid 1651] close(4 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] <... setpgid resumed>) = 0 [pid 1652] <... symlink resumed>) = 0 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(14 [pid 1649] close(15 [pid 1653] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1651] close(5 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] <... symlink resumed>) = 0 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(15 [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1652] <... openat resumed>) = 3 [pid 1651] close(6 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(16 [pid 1653] <... symlink resumed>) = 0 [pid 1652] write(3, "1000", 4 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(16 [pid 1653] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1652] <... write resumed>) = 4 [pid 1651] close(7 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] <... symlink resumed>) = 0 [pid 1652] close(3 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(17 [pid 1653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1652] <... close resumed>) = 0 [pid 1651] close(8 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(17 [pid 1653] <... openat resumed>) = 3 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(18 [pid 1653] write(3, "1000", 4 [pid 1652] symlink("/dev/binderfs", "./binderfs" [pid 1651] close(9 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] <... write resumed>) = 4 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(19 [pid 1653] close(3 [pid 1652] <... symlink resumed>) = 0 [pid 1651] close(10 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(18 [pid 1653] <... close resumed>) = 0 [pid 1652] write(1, "executing program\n", 18 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(20 executing program [pid 1653] symlink("/dev/binderfs", "./binderfs" [pid 1652] <... write resumed>) = 18 [pid 1651] close(11 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] <... symlink resumed>) = 0 [pid 1652] mkdirat(AT_FDCWD, "./config", 0777 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(21 [pid 1653] write(1, "executing program\n", 18 [pid 1652] <... mkdirat resumed>) = 0 [pid 1651] close(12 executing program [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(19 [pid 1653] <... write resumed>) = 18 [pid 1652] mount(NULL, "./config", "configfs", 0, NULL [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(22 [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] mkdirat(AT_FDCWD, "./config", 0777 [pid 1652] <... mount resumed>) = 0 [pid 1651] close(13 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(20 [pid 1653] <... mkdirat resumed>) = 0 [pid 1652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(23 [pid 1653] mount(NULL, "./config", "configfs", 0, NULL [pid 1652] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1651] close(14 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] <... mount resumed>) = 0 [pid 1652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(24 [pid 1653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1652] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1651] close(15 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(21 [pid 1653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(25 [pid 1653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1651] close(16 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1652] <... mkdirat resumed>) = 0 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(26 [pid 1649] close(22 [pid 1653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1652] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1651] close(17 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(27 [pid 1653] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1652] <... symlinkat resumed>) = 0 [pid 1651] close(18 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(23 [pid 1653] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1652] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] close(28 [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1651] close(19 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] <... unlinkat resumed>) = 0 [pid 1653] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1650] close(29 [pid 1649] close(24 [pid 1653] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1651] close(20 [pid 1650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1652] <... unlinkat resumed>) = 0 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] exit_group(0 [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] close(3 [pid 1652] close(3 [pid 1651] close(21 [pid 1650] <... exit_group resumed>) = ? [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1650] +++ exited with 0 +++ [pid 1649] close(25 [pid 1653] close(4 [pid 1652] close(4 [pid 1651] close(22 [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(26 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1653] close(5 [pid 1651] close(23 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(5 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1653] close(6 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1651] close(24 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(6 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(27 [pid 312] <... restart_syscall resumed>) = 0 [pid 1653] close(7 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1651] close(25 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(7 [pid 1653] close(8 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1651] close(26 [pid 1649] close(28 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] close(9 [pid 1652] close(8 [pid 1651] close(27 [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./270", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] close(29 [pid 1653] close(10 [pid 1651] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(9 [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1653] close(11 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1651] close(29 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1649] exit_group(0 [pid 312] <... openat resumed>) = 3 [pid 1653] close(12 [pid 1652] close(10 [pid 1651] exit_group(0 [pid 1649] <... exit_group resumed>) = ? [pid 312] fstat(3 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1651] <... exit_group resumed>) = ? [pid 1653] close(13 [pid 1651] +++ exited with 0 +++ [pid 1649] +++ exited with 0 +++ [pid 1652] close(11 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] getdents64(3 [pid 1653] close(14 [pid 1652] close(12 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1653] close(15 [pid 1652] close(13 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1653] close(16 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(14 [pid 312] <... umount2 resumed>) = 0 [pid 1653] close(17 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./266", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(15 [pid 1653] close(18) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1653] close(19 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./270/config" [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(16 [pid 311] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1653] close(20) = -1 EBADF (Bad file descriptor) [pid 1653] close(21 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(17 [pid 311] <... openat resumed>) = 3 [pid 312] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1653] close(22 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1653] close(23) = -1 EBADF (Bad file descriptor) [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] close(24 [pid 1652] close(19 [pid 312] openat(AT_FDCWD, "./270/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] getdents64(3 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1653] close(25 [pid 312] <... openat resumed>) = 4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... restart_syscall resumed>) = 0 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(20 [pid 312] fstat(4 [pid 311] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1653] close(26 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(21 [pid 312] getdents64(4 [pid 311] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./263", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1653] close(27 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(22 [pid 312] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./266/config" [pid 310] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1653] close(28 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(23 [pid 312] close(4 [pid 311] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 1653] close(29 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1652] close(24 [pid 312] rmdir("./270/config" [pid 311] openat(AT_FDCWD, "./266/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 1653] exit_group(0 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1653] <... exit_group resumed>) = ? [pid 1652] close(25 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1653] +++ exited with 0 +++ [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./270/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = 0 [pid 1652] close(26 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1652] close(27 [pid 312] newfstatat(AT_FDCWD, "./270/binderfs" [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./263/config" [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1652] close(28 [pid 312] unlink("./270/binderfs" [pid 311] getdents64(4 [pid 310] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./263/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1652] close(29 [pid 312] umount2("./270/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 310] <... openat resumed>) = 4 [pid 1652] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1652] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./270/cgroup.net" [pid 311] rmdir("./266/config" [pid 310] getdents64(4 [pid 1652] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./263/config") = 0 [pid 310] umount2("./263/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1652] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./263/binderfs" [pid 312] unlink("./270/cgroup.net" [pid 311] umount2("./266/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./263/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./270/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./266/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./263/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./270/cgroup.cpu" [pid 311] unlink("./266/binderfs" [pid 310] newfstatat(AT_FDCWD, "./263/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./263/cgroup.net" [pid 309] umount2("./260", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./270/cgroup.cpu" [pid 311] umount2("./266/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./263/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./270/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./266/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./263/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./263/cgroup.cpu" [pid 312] newfstatat(AT_FDCWD, "./270/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./266/cgroup.net" [pid 310] umount2("./263/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 312] unlink("./270/cgroup" [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./266/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./263/cgroup" [pid 312] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./266/cgroup.cpu" [pid 310] unlink("./263/cgroup" [pid 313] <... restart_syscall resumed>) = 0 [pid 312] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... close resumed>) = 0 [pid 311] unlink("./266/cgroup.cpu" [pid 310] getdents64(3 [pid 312] rmdir("./270" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] close(3 [pid 312] mkdir("./271", 0777 [pid 311] umount2("./266/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 313] umount2("./275", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./263" [pid 309] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] newfstatat(AT_FDCWD, "./266/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 313] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./264", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... openat resumed>) = 3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] unlink("./266/cgroup" [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./260/config" [pid 313] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1654 attached [pid 1654] set_robust_list(0x55555bb49760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 266 ci2-android-5-15/strace-static-x86_64: Process 1655 attached [pid 1654] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1655] set_robust_list(0x55555bb49760, 24 [pid 1654] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 273 [pid 311] <... unlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1655] <... set_robust_list resumed>) = 0 [pid 1654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] getdents64(3 [pid 1655] rt_sigprocmask(SIG_SETMASK, [] [pid 1654] chdir("./264" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] getdents64(3 [pid 309] umount2("./260/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1654] <... chdir resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1655] chdir("./271" [pid 1654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1655] <... chdir resumed>) = 0 [pid 1654] <... prctl resumed>) = 0 [pid 1654] setpgid(0, 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./260/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1654] <... setpgid resumed>) = 0 [pid 313] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./266" [pid 1655] <... prctl resumed>) = 0 [pid 1654] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 1655] setpgid(0, 0 [pid 1654] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./275/config" [pid 311] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 1655] <... setpgid resumed>) = 0 [pid 1654] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] mkdir("./267", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1655] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1654] <... symlink resumed>) = 0 [pid 313] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1655] <... symlink resumed>) = 0 [pid 1654] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 311] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 1655] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1654] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1655] <... symlink resumed>) = 0 [pid 1654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] openat(AT_FDCWD, "./275/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 1655] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1654] <... openat resumed>) = 3 [pid 313] <... openat resumed>) = 4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1655] <... symlink resumed>) = 0 [pid 1654] write(3, "1000", 4 [pid 313] fstat(4 [pid 1654] <... write resumed>) = 4 [pid 1654] close(3) = 0 [pid 1654] symlink("/dev/binderfs", "./binderfs"ci2-android-5-15/strace-static-x86_64: Process 1656 attached ) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] close(4 [pid 1656] set_robust_list(0x55555bb49760, 24 [pid 1654] write(1, "executing program\n", 18 [pid 313] getdents64(4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 269 [pid 1656] <... set_robust_list resumed>) = 0 [pid 1655] <... openat resumed>) = 3 executing program [pid 1654] <... write resumed>) = 18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... close resumed>) = 0 [pid 1656] rt_sigprocmask(SIG_SETMASK, [] [pid 1655] write(3, "1000", 4 [pid 1654] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] getdents64(4 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1655] <... write resumed>) = 4 [pid 1654] <... mkdirat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./260/config" [pid 1656] chdir("./267" [pid 1655] close(3 [pid 1654] mount(NULL, "./config", "configfs", 0, NULL [pid 313] close(4 [pid 1656] <... chdir resumed>) = 0 [pid 1654] <... mount resumed>) = 0 [pid 1655] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1655] symlink("/dev/binderfs", "./binderfs" [pid 1654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... close resumed>) = 0 [pid 309] umount2("./260/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1656] <... prctl resumed>) = 0 [pid 1655] <... symlink resumed>) = 0 [pid 1654] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rmdir("./275/config" [pid 1656] setpgid(0, 0 [pid 1655] write(1, "executing program\n", 18 [pid 1654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1656] <... setpgid resumed>) = 0 executing program [pid 1655] <... write resumed>) = 18 [pid 1654] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./260/binderfs" [pid 1656] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1656] <... symlink resumed>) = 0 [pid 1655] mkdirat(AT_FDCWD, "./config", 0777 [pid 1654] <... mkdirat resumed>) = 0 [pid 313] umount2("./275/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1656] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1655] <... mkdirat resumed>) = 0 [pid 1654] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1656] <... symlink resumed>) = 0 [pid 1655] mount(NULL, "./config", "configfs", 0, NULL [pid 1654] <... symlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./275/binderfs" [pid 309] unlink("./260/binderfs" [pid 1656] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1655] <... mount resumed>) = 0 [pid 1654] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1656] <... symlink resumed>) = 0 [pid 1655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1654] <... unlinkat resumed>) = 0 [pid 313] unlink("./275/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1655] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1654] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1656] <... openat resumed>) = 3 [pid 1655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1654] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 309] umount2("./260/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1656] write(3, "1000", 4 [pid 1655] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1654] close(3 [pid 313] umount2("./275/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1656] <... write resumed>) = 4 [pid 1655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1656] close(3 [pid 1654] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1656] <... close resumed>) = 0 [pid 1655] <... mkdirat resumed>) = 0 [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./275/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./260/cgroup.net" [pid 1656] symlink("/dev/binderfs", "./binderfs" [pid 1655] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1654] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1656] <... symlink resumed>) = 0 [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1656] write(1, "executing program\n", 18 [pid 1655] <... symlinkat resumed>) = 0 [pid 1654] close(6 [pid 313] unlink("./275/cgroup.net" [pid 309] unlink("./260/cgroup.net" [pid 1656] <... write resumed>) = 18 executing program [pid 1655] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1656] mkdirat(AT_FDCWD, "./config", 0777 [pid 1654] close(7 [pid 313] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1656] <... mkdirat resumed>) = 0 [pid 1655] <... unlinkat resumed>) = 0 [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./275/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./260/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1656] mount(NULL, "./config", "configfs", 0, NULL [pid 1655] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1654] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1656] <... mount resumed>) = 0 [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1654] close(9 [pid 1656] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1655] <... unlinkat resumed>) = 0 [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./275/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./260/cgroup.cpu" [pid 1656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1655] close(3 [pid 1654] close(10 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1656] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./275/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1655] close(4 [pid 1654] close(11 [pid 1656] <... mkdirat resumed>) = 0 [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] unlink("./260/cgroup.cpu" [pid 1656] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1655] close(5 [pid 1654] close(12 [pid 313] umount2("./275/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1656] <... symlinkat resumed>) = 0 [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1656] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1655] close(6 [pid 1654] close(13 [pid 313] newfstatat(AT_FDCWD, "./275/cgroup" [pid 309] umount2("./260/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1656] <... unlinkat resumed>) = 0 [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1656] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1655] close(7 [pid 1654] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1656] <... unlinkat resumed>) = 0 [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1656] close(3 [pid 1655] close(8 [pid 1654] close(15 [pid 313] unlink("./275/cgroup" [pid 309] newfstatat(AT_FDCWD, "./260/cgroup" [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1656] close(4 [pid 1655] close(9 [pid 1654] close(16 [pid 313] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] unlink("./260/cgroup" [pid 1656] close(5 [pid 1655] close(10 [pid 1654] close(17 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] <... unlink resumed>) = 0 [pid 1656] close(6 [pid 1655] close(11 [pid 1654] close(18 [pid 313] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./275" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1656] close(7 [pid 1655] close(12 [pid 1654] close(19 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 1656] close(8 [pid 1655] close(13 [pid 1654] close(20 [pid 313] mkdir("./276", 0777 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1656] close(9 [pid 1655] close(14 [pid 1654] close(21 [pid 313] <... mkdir resumed>) = 0 [pid 309] rmdir("./260" [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1656] close(10 [pid 1655] close(15 [pid 1654] close(22 [pid 309] <... rmdir resumed>) = 0 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] mkdir("./261", 0777 [pid 1656] close(11 [pid 1655] close(16 [pid 1654] close(23 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1656] close(12 [pid 1654] close(24 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1656] close(13 [pid 1654] close(25 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1657 attached [pid 1656] close(14 [pid 1655] close(17 [pid 1654] close(26 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1657] set_robust_list(0x55555bb49760, 24 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 278 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1657] <... set_robust_list resumed>) = 0 [pid 1656] close(15 [pid 1655] close(18 [pid 1654] close(27 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1657] rt_sigprocmask(SIG_SETMASK, [] [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1656] close(16 [pid 1654] close(28 [pid 1657] chdir("./276" [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1657] <... chdir resumed>) = 0 [pid 1656] close(17 [pid 1654] close(29ci2-android-5-15/strace-static-x86_64: Process 1658 attached [pid 1657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] close(19 [pid 1654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1658] set_robust_list(0x55555bb49760, 24 [pid 1657] <... prctl resumed>) = 0 [pid 1656] close(18 [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] exit_group(0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 263 [pid 1658] <... set_robust_list resumed>) = 0 [pid 1657] setpgid(0, 0 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] close(20 [pid 1654] <... exit_group resumed>) = ? [pid 1658] rt_sigprocmask(SIG_SETMASK, [] [pid 1657] <... setpgid resumed>) = 0 [pid 1656] close(19 [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1654] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1657] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] close(21 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1658] chdir("./261" [pid 1657] <... symlink resumed>) = 0 [pid 1656] close(20 [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1658] <... chdir resumed>) = 0 [pid 1657] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] close(22 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1657] <... symlink resumed>) = 0 [pid 1656] close(21 [pid 1658] <... prctl resumed>) = 0 [pid 1657] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1658] setpgid(0, 0 [pid 1657] <... symlink resumed>) = 0 [pid 1656] close(22 [pid 1657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1657] <... openat resumed>) = 3 [pid 1656] close(23 [pid 1657] write(3, "1000", 4 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1658] <... setpgid resumed>) = 0 [pid 1657] <... write resumed>) = 4 [pid 1656] close(24 [pid 1655] close(23 [pid 1658] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1657] close(3 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1658] <... symlink resumed>) = 0 [pid 1657] <... close resumed>) = 0 [pid 1656] close(25 [pid 1655] close(24 [pid 1658] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1657] symlink("/dev/binderfs", "./binderfs" [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1658] <... symlink resumed>) = 0 [pid 1657] <... symlink resumed>) = 0 [pid 1656] close(26 [pid 1655] close(25 [pid 1658] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1657] write(1, "executing program\n", 18 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1657] <... write resumed>) = 18 executing program [pid 1656] close(27 [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1658] <... symlink resumed>) = 0 [pid 1657] mkdirat(AT_FDCWD, "./config", 0777 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] close(26 [pid 1658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1657] <... mkdirat resumed>) = 0 [pid 1656] close(28 [pid 1657] mount(NULL, "./config", "configfs", 0, NULL [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1658] <... openat resumed>) = 3 [pid 1657] <... mount resumed>) = 0 [pid 1656] close(29 [pid 1655] close(27 [pid 1657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1658] write(3, "1000", 4 [pid 1657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1656] exit_group(0 [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1658] <... write resumed>) = 4 [pid 1657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1656] <... exit_group resumed>) = ? [pid 1655] close(28 [pid 1658] close(3 [pid 1657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1656] +++ exited with 0 +++ [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./264", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1658] <... close resumed>) = 0 [pid 1657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1655] close(29 [pid 1658] symlink("/dev/binderfs", "./binderfs" [pid 1657] <... mkdirat resumed>) = 0 [pid 1655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1657] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1658] <... symlink resumed>) = 0 [pid 1657] <... symlinkat resumed>) = 0 [pid 1655] exit_group(0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1658] write(1, "executing program\n", 18 [pid 1657] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1655] <... exit_group resumed>) = ? [pid 1658] <... write resumed>) = 18 [pid 1657] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1657] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1657] close(3) = -1 EBADF (Bad file descriptor) [pid 1657] close(4) = -1 EBADF (Bad file descriptor) [pid 1657] close(5) = -1 EBADF (Bad file descriptor) [pid 1657] close(6 [pid 1655] +++ exited with 0 +++ [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1658] mkdirat(AT_FDCWD, "./config", 0777 [pid 1657] close(7 [pid 310] fstat(3 [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1658] <... mkdirat resumed>) = 0 [pid 1657] close(8 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1658] mount(NULL, "./config", "configfs", 0, NULL [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1657] close(9 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1658] <... mount resumed>) = 0 [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1657] close(10 [pid 310] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1658] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1657] close(11 [pid 1658] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 1657] close(12 [pid 1658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1657] close(13) = -1 EBADF (Bad file descriptor) [pid 1657] close(14 [pid 1658] <... mkdirat resumed>) = 0 [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1658] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1657] close(15) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./264/config" [pid 1657] close(16) = -1 EBADF (Bad file descriptor) [pid 1657] close(17 [pid 1658] <... symlinkat resumed>) = 0 [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1658] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1657] close(18) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 310] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1658] <... unlinkat resumed>) = 0 [pid 1657] close(19 [pid 1658] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1657] close(20) = -1 EBADF (Bad file descriptor) [pid 1657] close(21) = -1 EBADF (Bad file descriptor) [pid 1658] <... unlinkat resumed>) = 0 [pid 1657] close(22 [pid 310] openat(AT_FDCWD, "./264/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1658] close(3 [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./267", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1657] close(23 [pid 310] <... openat resumed>) = 4 [pid 1658] close(4 [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1657] close(24 [pid 311] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1658] close(5 [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1657] close(25 [pid 311] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 1658] close(6 [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1657] close(26 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1658] close(7 [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 311] getdents64(3 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1657] close(27 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1658] close(8 [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] close(4 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1657] close(28 [pid 311] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1658] close(9 [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1657] close(29 [pid 311] <... umount2 resumed>) = 0 [pid 310] rmdir("./264/config" [pid 1658] close(10 [pid 1657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1657] exit_group(0 [pid 311] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1657] <... exit_group resumed>) = ? [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./264/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1658] close(11 [pid 1657] +++ exited with 0 +++ [pid 311] newfstatat(AT_FDCWD, "./267/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1658] close(12 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./264/binderfs" [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1658] close(13 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./264/binderfs" [pid 1658] close(14 [pid 311] openat(AT_FDCWD, "./267/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1658] close(15 [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./264/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 1658] close(16 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./264/cgroup.net" [pid 1658] close(17 [pid 311] getdents64(4 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1658] close(18 [pid 311] getdents64(4 [pid 310] unlink("./264/cgroup.net" [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1658] close(19 [pid 310] <... unlink resumed>) = 0 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 310] umount2("./264/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1658] close(20 [pid 311] <... close resumed>) = 0 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./267/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1658] close(21) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./264/cgroup.cpu" [pid 1658] close(22 [pid 311] umount2("./267/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1658] close(23 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./264/cgroup.cpu" [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./267/binderfs" [pid 1658] close(24 [pid 310] <... unlink resumed>) = 0 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1658] close(25 [pid 310] umount2("./264/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./267/binderfs" [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1658] close(26 [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./264/cgroup" [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./267/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1658] close(27 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./264/cgroup" [pid 1658] close(28 [pid 311] newfstatat(AT_FDCWD, "./267/cgroup.net" [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1658] close(29 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 1658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./267/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1658] exit_group(0 [pid 310] close(3 [pid 311] <... unlink resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1658] <... exit_group resumed>) = ? [pid 311] umount2("./267/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./264" [pid 1658] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 312] umount2("./271", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./265", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./267/cgroup.cpu" [pid 312] <... openat resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 312] fstat(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] unlink("./267/cgroup.cpu" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./267/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1659 attached [pid 312] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1659] set_robust_list(0x55555bb49760, 24) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./267/cgroup" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 267 [pid 1659] rt_sigprocmask(SIG_SETMASK, [] [pid 312] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1659] chdir("./265" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1659] <... chdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./271/config" [pid 311] unlink("./267/cgroup" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1659] setpgid(0, 0 [pid 312] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 1659] <... setpgid resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 1659] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 312] openat(AT_FDCWD, "./271/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1659] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 312] <... openat resumed>) = 4 [pid 311] close(3 [pid 1659] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 312] fstat(4 [pid 1659] <... symlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] rmdir("./267" [pid 1659] <... openat resumed>) = 3 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] getdents64(4 [pid 1659] write(3, "1000", 4 [pid 311] <... rmdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1659] <... write resumed>) = 4 [pid 1659] close(3) = 0 [pid 312] getdents64(4 [pid 311] mkdir("./268", 0777 [pid 1659] symlink("/dev/binderfs", "./binderfs" [pid 313] umount2("./276", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1659] <... symlink resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 1659] write(1, "executing program\n", 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(4 [pid 1659] <... write resumed>) = 18 executing program [pid 1659] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 313] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1659] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... openat resumed>) = 3 [pid 312] rmdir("./271/config" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1659] <... mount resumed>) = 0 [pid 313] fstat(3 [pid 1659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1659] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] getdents64(3 [pid 312] umount2("./271/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1659] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 1660 attached ) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1660] set_robust_list(0x55555bb49760, 24 [pid 1659] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] newfstatat(AT_FDCWD, "./271/binderfs" [pid 1660] <... set_robust_list resumed>) = 0 [pid 1659] <... unlinkat resumed>) = 0 [pid 313] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 270 [pid 309] <... restart_syscall resumed>) = 0 [pid 1659] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1660] rt_sigprocmask(SIG_SETMASK, [] [pid 1659] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1659] close(3 [pid 313] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./271/binderfs" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1660] chdir("./268" [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1659] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 1660] <... chdir resumed>) = 0 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./276/config" [pid 312] umount2("./271/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./261", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1659] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1660] <... prctl resumed>) = 0 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./271/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1660] setpgid(0, 0 [pid 1659] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1659] close(7) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./276/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] unlink("./271/cgroup.net" [pid 309] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1660] <... setpgid resumed>) = 0 [pid 1659] close(8 [pid 313] <... openat resumed>) = 4 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1660] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1659] close(9 [pid 313] fstat(4 [pid 312] umount2("./271/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 1660] <... symlink resumed>) = 0 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1660] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1659] close(10 [pid 313] getdents64(4 [pid 312] newfstatat(AT_FDCWD, "./271/cgroup.cpu" [pid 1660] <... symlink resumed>) = 0 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(3 [pid 1660] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1659] close(11 [pid 313] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1659] close(12 [pid 1660] <... symlink resumed>) = 0 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1659] close(13 [pid 313] close(4 [pid 312] unlink("./271/cgroup.cpu" [pid 309] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1660] <... openat resumed>) = 3 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1659] close(14 [pid 312] <... unlink resumed>) = 0 [pid 1660] write(3, "1000", 4 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./276/config" [pid 312] umount2("./271/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 1660] <... write resumed>) = 4 [pid 1659] close(15) = -1 EBADF (Bad file descriptor) [pid 1660] close(3 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1660] <... close resumed>) = 0 [pid 1659] close(16 [pid 313] umount2("./276/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./271/cgroup" [pid 1660] symlink("/dev/binderfs", "./binderfs" [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1659] close(17 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1660] <... symlink resumed>) = 0 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] write(1, "executing program\n", 18 executing program [pid 1659] close(18 [pid 313] newfstatat(AT_FDCWD, "./276/binderfs" [pid 312] unlink("./271/cgroup" [pid 309] newfstatat(AT_FDCWD, "./261/config" [pid 1660] <... write resumed>) = 18 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1659] close(19 [pid 312] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1660] mkdirat(AT_FDCWD, "./config", 0777 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./276/binderfs" [pid 312] getdents64(3 [pid 309] umount2("./261/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1660] <... mkdirat resumed>) = 0 [pid 1659] close(20 [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1660] mount(NULL, "./config", "configfs", 0, NULL [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./276/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1660] <... mount resumed>) = 0 [pid 1659] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./276/cgroup.net" [pid 312] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./261/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1660] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1659] close(22 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rmdir("./271" [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1659] close(23 [pid 309] <... openat resumed>) = 4 [pid 1660] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./276/cgroup.net" [pid 312] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 1660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1659] close(24 [pid 313] <... unlink resumed>) = 0 [pid 312] mkdir("./272", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1659] close(25) = -1 EBADF (Bad file descriptor) [pid 1659] close(26) = -1 EBADF (Bad file descriptor) [pid 1660] <... mkdirat resumed>) = 0 [pid 1659] close(27 [pid 313] umount2("./276/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 1660] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1659] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1660] <... symlinkat resumed>) = 0 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./276/cgroup.cpu" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 1660] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1659] close(29 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] <... unlinkat resumed>) = 0 [pid 1659] exit_group(0 [pid 313] unlink("./276/cgroup.cpu" [pid 1659] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1661 attached [pid 1660] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1659] +++ exited with 0 +++ [pid 313] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1661] set_robust_list(0x55555bb49760, 24) = 0 [pid 1661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1661] chdir("./272") = 0 [pid 1660] <... unlinkat resumed>) = 0 [pid 313] umount2("./276/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1660] close(3 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 274 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1661] <... prctl resumed>) = 0 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./276/cgroup" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./261/config" [pid 1661] setpgid(0, 0 [pid 1660] close(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1661] <... setpgid resumed>) = 0 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./276/cgroup" [pid 309] <... rmdir resumed>) = 0 [pid 1661] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1660] close(5 [pid 1661] <... symlink resumed>) = 0 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] umount2("./261/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1661] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1660] close(6 [pid 313] getdents64(3 [pid 1661] <... symlink resumed>) = 0 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1661] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1660] close(7 [pid 313] close(3 [pid 309] newfstatat(AT_FDCWD, "./261/binderfs" [pid 1661] <... symlink resumed>) = 0 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... close resumed>) = 0 [pid 1661] <... openat resumed>) = 3 [pid 1660] close(8 [pid 313] rmdir("./276" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1661] write(3, "1000", 4 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1661] <... write resumed>) = 4 [pid 1661] close(3 [pid 313] <... rmdir resumed>) = 0 [pid 309] unlink("./261/binderfs" [pid 1661] <... close resumed>) = 0 [pid 1660] close(9 [pid 313] mkdir("./277", 0777 [pid 1661] symlink("/dev/binderfs", "./binderfs" [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1661] <... symlink resumed>) = 0 [pid 1660] close(10 [pid 313] <... mkdir resumed>) = 0 [pid 309] umount2("./261/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1661] write(1, "executing program\n", 18) = 18 executing program [pid 1661] mkdirat(AT_FDCWD, "./config", 0777 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1661] <... mkdirat resumed>) = 0 [pid 1660] close(11 [pid 1661] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./261/cgroup.net" [pid 1661] <... mount resumed>) = 0 [pid 1660] close(12 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1661] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1661] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1661] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 1662 attached ) = 0 [pid 1660] close(13 [pid 309] unlink("./261/cgroup.net" [pid 1662] set_robust_list(0x55555bb49760, 24 [pid 1661] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 279 [pid 1662] <... set_robust_list resumed>) = 0 [pid 1661] <... symlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1662] rt_sigprocmask(SIG_SETMASK, [] [pid 1661] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1660] close(14 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./261/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1661] <... unlinkat resumed>) = 0 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1662] chdir("./277" [pid 1661] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1660] close(15 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1662] <... chdir resumed>) = 0 [pid 1661] <... unlinkat resumed>) = 0 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./261/cgroup.cpu" [pid 1662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1661] close(3 [pid 1660] close(16 [pid 1662] <... prctl resumed>) = 0 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1662] setpgid(0, 0 [pid 1661] close(4 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./261/cgroup.cpu" [pid 1662] <... setpgid resumed>) = 0 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] close(17 [pid 1662] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1661] close(5 [pid 309] <... unlink resumed>) = 0 [pid 1662] <... symlink resumed>) = 0 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./261/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1662] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1661] close(6 [pid 1660] close(18 [pid 1662] <... symlink resumed>) = 0 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1662] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1661] close(7 [pid 1660] close(19 [pid 309] newfstatat(AT_FDCWD, "./261/cgroup" [pid 1662] <... symlink resumed>) = 0 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1661] close(8 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1662] <... openat resumed>) = 3 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] close(20 [pid 1662] write(3, "1000", 4 [pid 1661] close(9 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./261/cgroup" [pid 1662] <... write resumed>) = 4 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] close(21 [pid 1662] close(3 [pid 1661] close(10 [pid 1662] <... close resumed>) = 0 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1662] symlink("/dev/binderfs", "./binderfs" [pid 1661] close(11 [pid 1660] close(22 [pid 309] getdents64(3 [pid 1662] <... symlink resumed>) = 0 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1662] write(1, "executing program\n", 18 [pid 1661] close(12 [pid 1660] close(23 [pid 309] close(3 [pid 1662] <... write resumed>) = 18 executing program [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1662] mkdirat(AT_FDCWD, "./config", 0777 [pid 1661] close(13 [pid 1660] close(24 [pid 309] <... close resumed>) = 0 [pid 1662] <... mkdirat resumed>) = 0 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1662] mount(NULL, "./config", "configfs", 0, NULL [pid 1661] close(14 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./261" [pid 1662] <... mount resumed>) = 0 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] close(25 [pid 310] <... restart_syscall resumed>) = 0 [pid 1662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1661] close(15 [pid 1662] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1661] close(16 [pid 1660] close(26 [pid 1662] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1661] close(17 [pid 309] mkdir("./262", 0777 [pid 1662] <... mkdirat resumed>) = 0 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1662] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1661] close(18 [pid 1662] <... symlinkat resumed>) = 0 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] close(27 [pid 310] umount2("./265", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 1662] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1661] close(19 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1662] <... unlinkat resumed>) = 0 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] close(28 [pid 310] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1662] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1661] close(20 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1662] <... unlinkat resumed>) = 0 [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] close(29 [pid 310] fstat(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1662] close(3 [pid 1661] close(21 [pid 1660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1662] close(4 [pid 1661] close(22 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1662] close(5 [pid 1661] close(23 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1662] close(6 [pid 1661] close(24 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1662] close(7 [pid 1661] close(25 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1662] close(8 [pid 1661] close(26 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1663 attached [pid 1662] close(9 [pid 1661] close(27 [pid 1660] exit_group(0 [pid 310] getdents64(3 [pid 1663] set_robust_list(0x55555bb49760, 24 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1663] <... set_robust_list resumed>) = 0 [pid 1662] close(10 [pid 1661] close(28 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 264 [pid 1663] rt_sigprocmask(SIG_SETMASK, [] [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1662] close(11 [pid 1661] close(29 [pid 1663] chdir("./262" [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1660] +++ exited with 0 +++ [pid 1663] <... chdir resumed>) = 0 [pid 1662] close(12 [pid 1661] exit_group(0 [pid 310] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1661] <... exit_group resumed>) = ? [pid 1663] <... prctl resumed>) = 0 [pid 1662] close(13 [pid 1661] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1663] setpgid(0, 0 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1663] <... setpgid resumed>) = 0 [pid 1662] close(14 [pid 1663] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1663] <... symlink resumed>) = 0 [pid 1662] close(15 [pid 311] umount2("./268", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./265/config" [pid 1663] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1663] <... symlink resumed>) = 0 [pid 1662] close(16 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1663] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1663] <... symlink resumed>) = 0 [pid 1662] close(17 [pid 310] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1663] <... openat resumed>) = 3 [pid 1662] close(18 [pid 311] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1663] write(3, "1000", 4 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1663] <... write resumed>) = 4 [pid 1662] close(19 [pid 310] openat(AT_FDCWD, "./265/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1663] close(3 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1663] <... close resumed>) = 0 [pid 1662] close(20 [pid 310] <... openat resumed>) = 4 [pid 1663] symlink("/dev/binderfs", "./binderfs" [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] fstat(4 [pid 1663] <... symlink resumed>) = 0 [pid 1662] close(21 [pid 1663] write(1, "executing program\n", 18 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1663] <... write resumed>) = 18 [pid 1662] close(22 [pid 311] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 executing program [pid 1663] mkdirat(AT_FDCWD, "./config", 0777 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1663] <... mkdirat resumed>) = 0 [pid 1662] close(23 [pid 311] <... umount2 resumed>) = 0 [pid 310] getdents64(4 [pid 1663] mount(NULL, "./config", "configfs", 0, NULL [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1663] <... mount resumed>) = 0 [pid 1662] close(24 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1663] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1662] close(25 [pid 1663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./268/config" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1663] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1662] close(26 [pid 1663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1663] <... mkdirat resumed>) = 0 [pid 1662] close(27 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 1663] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1663] <... symlinkat resumed>) = 0 [pid 1662] close(28 [pid 310] <... close resumed>) = 0 [pid 1663] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./265/config" [pid 1663] <... unlinkat resumed>) = 0 [pid 1662] close(29 [pid 311] openat(AT_FDCWD, "./268/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1663] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1663] <... unlinkat resumed>) = 0 [pid 1662] exit_group(0 [pid 311] <... openat resumed>) = 4 [pid 1663] close(3 [pid 1662] <... exit_group resumed>) = ? [pid 311] fstat(4 [pid 310] umount2("./265/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1662] +++ exited with 0 +++ [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1663] close(4 [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./265/binderfs" [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1663] close(5 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1663] close(6 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] getdents64(4 [pid 310] unlink("./265/binderfs" [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1663] close(7 [pid 310] <... unlink resumed>) = 0 [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1663] close(8 [pid 311] close(4 [pid 310] umount2("./265/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1663] close(9 [pid 311] rmdir("./268/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1663] close(10 [pid 311] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./265/cgroup.net" [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1663] close(11) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./268/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1663] close(12 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./265/cgroup.net" [pid 1663] close(13 [pid 311] newfstatat(AT_FDCWD, "./268/binderfs" [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1663] close(14) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1663] close(15 [pid 311] unlink("./268/binderfs" [pid 310] umount2("./265/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1663] close(16) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1663] close(17 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./272", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./268/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./265/cgroup.cpu" [pid 1663] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1663] close(19 [pid 312] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./268/cgroup.net" [pid 310] unlink("./265/cgroup.cpu" [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1663] close(20 [pid 312] fstat(3 [pid 311] unlink("./268/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1663] close(21 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./265/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] umount2("./268/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1663] close(22 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1663] close(23) = -1 EBADF (Bad file descriptor) [pid 1663] close(24 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./265/cgroup" [pid 312] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./268/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1663] close(25 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./265/cgroup" [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1663] close(26) = -1 EBADF (Bad file descriptor) [pid 1663] close(27 [pid 311] unlink("./268/cgroup.cpu" [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1663] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./272/config" [pid 311] umount2("./268/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1663] close(29 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./268/cgroup" [pid 310] close(3 [pid 1663] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1663] <... exit_group resumed>) = ? [pid 312] openat(AT_FDCWD, "./272/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./268/cgroup" [pid 310] <... close resumed>) = 0 [pid 1663] +++ exited with 0 +++ [pid 312] <... openat resumed>) = 4 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./265" [pid 312] fstat(4 [pid 311] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] mkdir("./266", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] umount2("./277", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(4 [pid 311] close(3 [pid 310] <... mkdir resumed>) = 0 [pid 313] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... openat resumed>) = 3 [pid 312] getdents64(4 [pid 311] rmdir("./268" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] fstat(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 312] close(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] getdents64(3 [pid 312] <... close resumed>) = 0 [pid 311] mkdir("./269", 0777ci2-android-5-15/strace-static-x86_64: Process 1664 attached [pid 312] rmdir("./272/config" [pid 1664] set_robust_list(0x55555bb49760, 24 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... mkdir resumed>) = 0 [pid 1664] <... set_robust_list resumed>) = 0 [pid 1664] rt_sigprocmask(SIG_SETMASK, [] [pid 313] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 268 [pid 1664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 312] umount2("./272/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1664] chdir("./266" [pid 313] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1664] <... chdir resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./272/binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1664] setpgid(0, 0) = 0 [pid 1664] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 ci2-android-5-15/strace-static-x86_64: Process 1665 attached [pid 1664] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1665] set_robust_list(0x55555bb49760, 24 [pid 1664] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./277/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1665] <... set_robust_list resumed>) = 0 [pid 1664] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 271 [pid 1665] rt_sigprocmask(SIG_SETMASK, [] [pid 1664] <... symlink resumed>) = 0 [pid 312] unlink("./272/binderfs" [pid 1665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1665] chdir("./269" [pid 1664] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1665] <... chdir resumed>) = 0 [pid 1664] write(3, "1000", 4 [pid 313] openat(AT_FDCWD, "./277/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./272/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1664] <... write resumed>) = 4 [pid 313] <... openat resumed>) = 4 [pid 1665] <... prctl resumed>) = 0 [pid 1664] close(3 [pid 313] fstat(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1665] setpgid(0, 0 [pid 1664] <... close resumed>) = 0 [pid 1665] <... setpgid resumed>) = 0 [pid 1664] symlink("/dev/binderfs", "./binderfs" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./272/cgroup.net" [pid 1665] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1664] <... symlink resumed>) = 0 [pid 313] getdents64(4 [pid 1665] <... symlink resumed>) = 0 [pid 1664] write(1, "executing program\n", 18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1665] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1664] <... write resumed>) = 18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] unlink("./272/cgroup.net" [pid 1665] <... symlink resumed>) = 0 [pid 1664] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] getdents64(4 [pid 1665] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1664] <... mkdirat resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1665] <... symlink resumed>) = 0 [pid 1664] mount(NULL, "./config", "configfs", 0, NULL [pid 312] umount2("./272/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1664] <... mount resumed>) = 0 [pid 313] close(4 [pid 1665] <... openat resumed>) = 3 [pid 1664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1665] write(3, "1000", 4 [pid 1664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... close resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./272/cgroup.cpu" [pid 1665] <... write resumed>) = 4 [pid 1664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] rmdir("./277/config" [pid 1665] close(3 [pid 1664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1665] <... close resumed>) = 0 [pid 1664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 312] unlink("./272/cgroup.cpu" [pid 1665] symlink("/dev/binderfs", "./binderfs" [pid 1664] <... mkdirat resumed>) = 0 [pid 1665] <... symlink resumed>) = 0 [pid 1664] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] umount2("./277/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 1665] write(1, "executing program\n", 18 [pid 1664] <... symlinkat resumed>) = 0 [pid 1665] <... write resumed>) = 18 executing program [pid 1664] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1665] mkdirat(AT_FDCWD, "./config", 0777 [pid 1664] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./272/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1665] <... mkdirat resumed>) = 0 [pid 1664] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1665] mount(NULL, "./config", "configfs", 0, NULL [pid 1664] <... unlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./277/binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1665] <... mount resumed>) = 0 [pid 1664] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./272/cgroup" [pid 1665] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./277/binderfs" [pid 1665] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1664] close(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1665] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./272/cgroup" [pid 1665] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1664] close(5 [pid 313] umount2("./277/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1665] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1665] <... mkdirat resumed>) = 0 [pid 1664] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 1665] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./277/cgroup.net" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1665] <... symlinkat resumed>) = 0 [pid 1664] close(7 [pid 309] umount2("./262", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1665] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] close(3 [pid 1665] <... unlinkat resumed>) = 0 [pid 1664] close(8 [pid 313] unlink("./277/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1665] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1665] <... unlinkat resumed>) = 0 [pid 1664] close(9 [pid 313] <... unlink resumed>) = 0 [pid 312] rmdir("./272" [pid 309] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1665] close(3 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./277/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(10 [pid 312] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1665] close(4 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./273", 0777 [pid 309] fstat(3 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(11 [pid 313] newfstatat(AT_FDCWD, "./277/cgroup.cpu" [pid 1665] close(5 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1665] close(6 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./277/cgroup.cpu" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(13 [pid 309] getdents64(3 [pid 1665] close(7 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(14 [pid 313] umount2("./277/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1665] close(8 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1665] close(9 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(16 [pid 1665] close(10 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(17 [pid 1665] close(11 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1666 attached [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(18 [pid 313] newfstatat(AT_FDCWD, "./277/cgroup" [pid 309] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1666] set_robust_list(0x55555bb49760, 24 [pid 1665] close(12 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1666] <... set_robust_list resumed>) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(19 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 275 [pid 309] <... umount2 resumed>) = 0 [pid 1666] rt_sigprocmask(SIG_SETMASK, [] [pid 1665] close(13 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(20 [pid 1666] chdir("./273" [pid 1665] close(14 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1666] <... chdir resumed>) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(21 [pid 313] unlink("./277/cgroup" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1665] close(15 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1666] <... prctl resumed>) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(22 [pid 313] <... unlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1666] setpgid(0, 0 [pid 1665] close(16 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./262/config" [pid 1666] <... setpgid resumed>) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1666] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1665] close(17 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1666] <... symlink resumed>) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(24 [pid 313] <... close resumed>) = 0 [pid 309] umount2("./262/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1666] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1665] close(18 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./277" [pid 1666] <... symlink resumed>) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(25 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1666] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1665] close(19 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./262/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1666] <... symlink resumed>) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(26 [pid 1666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1665] close(20 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./278", 0777 [pid 309] <... openat resumed>) = 4 [pid 1666] <... openat resumed>) = 3 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(27 [pid 1666] write(3, "1000", 4 [pid 1665] close(21 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1666] <... write resumed>) = 4 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(28 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] fstat(4 [pid 1666] close(3 [pid 1665] close(22 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1666] <... close resumed>) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] close(29 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1666] symlink("/dev/binderfs", "./binderfs" [pid 1665] close(23 [pid 1664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1666] <... symlink resumed>) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] exit_group(0 [pid 1666] write(1, "executing program\n", 18 [pid 1665] close(24 [pid 1664] <... exit_group resumed>) = ? executing program ci2-android-5-15/strace-static-x86_64: Process 1667 attached [pid 1666] <... write resumed>) = 18 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1664] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1667] set_robust_list(0x55555bb49760, 24 [pid 1666] mkdirat(AT_FDCWD, "./config", 0777 [pid 1665] close(25 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 280 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 1667] <... set_robust_list resumed>) = 0 [pid 1666] <... mkdirat resumed>) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1666] mount(NULL, "./config", "configfs", 0, NULL [pid 1665] close(26 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1667] rt_sigprocmask(SIG_SETMASK, [] [pid 1666] <... mount resumed>) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1665] close(27 [pid 1666] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(4 [pid 1667] chdir("./278" [pid 1666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1665] close(28 [pid 1667] <... chdir resumed>) = 0 [pid 1666] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1665] close(29 [pid 1667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1666] <... mkdirat resumed>) = 0 [pid 1665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./262/config" [pid 1667] <... prctl resumed>) = 0 [pid 1666] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1665] exit_group(0 [pid 1667] setpgid(0, 0 [pid 1666] <... symlinkat resumed>) = 0 [pid 1665] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 1667] <... setpgid resumed>) = 0 [pid 1666] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1665] +++ exited with 0 +++ [pid 309] umount2("./262/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1667] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1666] <... unlinkat resumed>) = 0 [pid 1666] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1667] <... symlink resumed>) = 0 [pid 1666] <... unlinkat resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./262/binderfs" [pid 1667] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1666] close(3) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1667] <... symlink resumed>) = 0 [pid 1666] close(4 [pid 309] unlink("./262/binderfs" [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1666] close(5) = -1 EBADF (Bad file descriptor) [pid 1666] close(6) = -1 EBADF (Bad file descriptor) [pid 1666] close(7) = -1 EBADF (Bad file descriptor) [pid 1666] close(8) = -1 EBADF (Bad file descriptor) [pid 1666] close(9 [pid 1667] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1666] close(10 [pid 309] <... unlink resumed>) = 0 [pid 1667] <... symlink resumed>) = 0 [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./262/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1666] close(11) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1666] close(12 [pid 1667] <... openat resumed>) = 3 [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1666] close(13 [pid 309] newfstatat(AT_FDCWD, "./262/cgroup.net" [pid 1667] write(3, "1000", 4 [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1667] <... write resumed>) = 4 [pid 1666] close(14 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1667] close(3 [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./262/cgroup.net" [pid 1667] <... close resumed>) = 0 [pid 1666] close(15) = -1 EBADF (Bad file descriptor) [pid 1666] close(16) = -1 EBADF (Bad file descriptor) [pid 1666] close(17 [pid 309] <... unlink resumed>) = 0 [pid 1667] symlink("/dev/binderfs", "./binderfs" [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./262/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1666] close(18 [pid 1667] <... symlink resumed>) = 0 [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1666] close(19 [pid 1667] write(1, "executing program\n", 18 [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 309] newfstatat(AT_FDCWD, "./262/cgroup.cpu" [pid 1667] <... write resumed>) = 18 [pid 1666] close(20) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1667] mkdirat(AT_FDCWD, "./config", 0777 [pid 1666] close(21 [pid 309] unlink("./262/cgroup.cpu" [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1666] close(22) = -1 EBADF (Bad file descriptor) [pid 1666] close(23 [pid 1667] <... mkdirat resumed>) = 0 [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1666] close(24 [pid 309] <... unlink resumed>) = 0 [pid 1667] mount(NULL, "./config", "configfs", 0, NULL [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./262/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1667] <... mount resumed>) = 0 [pid 1666] close(25) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1666] close(26 [pid 310] umount2("./266", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./262/cgroup" [pid 1667] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1666] close(27 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./262/cgroup" [pid 1667] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1666] close(28) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1666] close(29 [pid 309] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 1666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./269", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1667] <... mkdirat resumed>) = 0 [pid 1666] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] getdents64(3 [pid 1667] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1666] <... exit_group resumed>) = ? [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1667] <... symlinkat resumed>) = 0 [pid 1666] +++ exited with 0 +++ [pid 311] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1667] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... openat resumed>) = 3 [pid 310] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1667] <... unlinkat resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] fstat(3 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1667] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./262" [pid 1667] <... unlinkat resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./266/config" [pid 1667] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] mkdir("./263", 0777 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1667] close(4 [pid 310] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1667] close(5 [pid 311] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./266/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1667] close(6 [pid 311] newfstatat(AT_FDCWD, "./269/config" [pid 310] <... openat resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 1668 attached [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1668] set_robust_list(0x55555bb49760, 24 [pid 1667] close(7 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1668] <... set_robust_list resumed>) = 0 [pid 1668] rt_sigprocmask(SIG_SETMASK, [] [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 265 [pid 1668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1667] close(8 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1668] chdir("./263" [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./269/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1668] <... chdir resumed>) = 0 [pid 1667] close(9 [pid 311] <... openat resumed>) = 4 [pid 1668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1668] <... prctl resumed>) = 0 [pid 1667] close(10 [pid 311] fstat(4 [pid 310] close(4 [pid 1668] setpgid(0, 0 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1668] <... setpgid resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1668] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1667] close(11 [pid 311] getdents64(4 [pid 1668] <... symlink resumed>) = 0 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./266/config" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1668] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1667] close(12 [pid 1668] <... symlink resumed>) = 0 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] <... rmdir resumed>) = 0 [pid 1668] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1667] close(13 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./266/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1668] <... symlink resumed>) = 0 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 1668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1667] close(14 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1668] <... openat resumed>) = 3 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1668] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./266/binderfs" [pid 1668] <... write resumed>) = 4 [pid 1667] close(15 [pid 311] rmdir("./269/config" [pid 1668] close(3 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1668] <... close resumed>) = 0 [pid 1667] close(16 [pid 311] <... rmdir resumed>) = 0 [pid 310] unlink("./266/binderfs" [pid 1668] symlink("/dev/binderfs", "./binderfs" [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./269/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1668] <... symlink resumed>) = 0 [pid 1667] close(17 [pid 310] <... unlink resumed>) = 0 [pid 1668] write(1, "executing program\n", 18 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./266/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1668] <... write resumed>) = 18 executing program [pid 1668] mkdirat(AT_FDCWD, "./config", 0777 [pid 1667] close(18 [pid 311] newfstatat(AT_FDCWD, "./269/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1668] <... mkdirat resumed>) = 0 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./266/cgroup.net" [pid 1668] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1667] close(19 [pid 311] unlink("./269/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1668] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... unlink resumed>) = 0 [pid 1667] close(20 [pid 310] unlink("./266/cgroup.net" [pid 1668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./269/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1668] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1667] close(21 [pid 310] <... unlink resumed>) = 0 [pid 1668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1668] <... mkdirat resumed>) = 0 [pid 1667] close(22 [pid 311] newfstatat(AT_FDCWD, "./269/cgroup.net" [pid 310] umount2("./266/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1668] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1668] <... symlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1668] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1667] close(23 [pid 311] unlink("./269/cgroup.net" [pid 1668] <... unlinkat resumed>) = 0 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./266/cgroup.cpu" [pid 1668] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1667] close(24 [pid 311] <... unlink resumed>) = 0 [pid 1668] <... unlinkat resumed>) = 0 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1668] close(3 [pid 1667] close(25 [pid 311] umount2("./269/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./266/cgroup.cpu" [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1668] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1667] close(26 [pid 312] umount2("./273", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./269/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 1668] close(5 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1667] close(27 [pid 312] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./269/cgroup.cpu" [pid 310] umount2("./266/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1668] close(6 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1667] close(28 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1668] close(7 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 311] umount2("./269/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./266/cgroup" [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1667] close(29 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1668] close(8 [pid 1667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./269/cgroup" [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1667] exit_group(0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] unlink("./266/cgroup" [pid 1668] close(9 [pid 1667] <... exit_group resumed>) = ? [pid 312] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1668] close(10) = -1 EBADF (Bad file descriptor) [pid 1668] close(11) = -1 EBADF (Bad file descriptor) [pid 1668] close(12) = -1 EBADF (Bad file descriptor) [pid 1668] close(13) = -1 EBADF (Bad file descriptor) [pid 1668] close(14) = -1 EBADF (Bad file descriptor) [pid 1668] close(15) = -1 EBADF (Bad file descriptor) [pid 1668] close(16) = -1 EBADF (Bad file descriptor) [pid 1668] close(17 [pid 1667] +++ exited with 0 +++ [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1668] close(18 [pid 311] unlink("./269/cgroup" [pid 310] getdents64(3 [pid 312] <... umount2 resumed>) = 0 [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1668] close(19 [pid 312] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 310] close(3 [pid 1668] close(20 [pid 312] newfstatat(AT_FDCWD, "./273/config" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 311] close(3 [pid 1668] close(21 [pid 312] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./266" [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 1668] close(22 [pid 312] openat(AT_FDCWD, "./273/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./269" [pid 1668] close(23 [pid 312] <... openat resumed>) = 4 [pid 310] mkdir("./267", 0777 [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1668] close(24) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1668] close(25 [pid 310] <... mkdir resumed>) = 0 [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 311] mkdir("./270", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1668] close(26 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1668] close(27 [pid 312] getdents64(4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1668] close(28) = -1 EBADF (Bad file descriptor) [pid 1668] close(29) = -1 EBADF (Bad file descriptor) [pid 1668] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 1669 attached ) = ? [pid 312] getdents64(4 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1669] set_robust_list(0x55555bb49760, 24 [pid 1668] +++ exited with 0 +++ [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1670 attached [pid 1669] <... set_robust_list resumed>) = 0 [pid 312] close(4 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 269 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1670] set_robust_list(0x55555bb49760, 24 [pid 1669] rt_sigprocmask(SIG_SETMASK, [] [pid 1670] <... set_robust_list resumed>) = 0 [pid 1669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1670] rt_sigprocmask(SIG_SETMASK, [] [pid 1669] chdir("./267" [pid 312] <... close resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 272 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1669] <... chdir resumed>) = 0 [pid 313] umount2("./278", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./273/config" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1670] chdir("./270" [pid 1669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1670] <... chdir resumed>) = 0 [pid 1669] <... prctl resumed>) = 0 [pid 1670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1669] setpgid(0, 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1670] <... prctl resumed>) = 0 [pid 1669] <... setpgid resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./263", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1670] setpgid(0, 0 [pid 1669] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] <... openat resumed>) = 3 [pid 312] umount2("./273/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1670] <... setpgid resumed>) = 0 [pid 1669] <... symlink resumed>) = 0 [pid 313] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1670] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1669] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1670] <... symlink resumed>) = 0 [pid 1669] <... symlink resumed>) = 0 [pid 313] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./273/binderfs" [pid 1670] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1669] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 309] <... openat resumed>) = 3 [pid 1670] <... symlink resumed>) = 0 [pid 1669] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1670] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./273/binderfs" [pid 309] fstat(3 [pid 1670] <... symlink resumed>) = 0 [pid 1669] <... openat resumed>) = 3 [pid 1670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1669] write(3, "1000", 4 [pid 312] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1670] <... openat resumed>) = 3 [pid 1669] <... write resumed>) = 4 [pid 313] <... umount2 resumed>) = 0 [pid 312] umount2("./273/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1670] write(3, "1000", 4 [pid 1669] close(3 [pid 313] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1670] <... write resumed>) = 4 [pid 1669] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1670] close(3 [pid 1669] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1670] <... close resumed>) = 0 [pid 1669] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./278/config" [pid 312] newfstatat(AT_FDCWD, "./273/cgroup.net" [pid 309] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1670] symlink("/dev/binderfs", "./binderfs" [pid 1669] write(1, "executing program\n", 18 [pid 1670] <... symlink resumed>) = 0 [pid 1669] <... write resumed>) = 18 executing program [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1670] write(1, "executing program\n", 18 executing program [pid 1669] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 313] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1670] <... write resumed>) = 18 [pid 1669] <... mkdirat resumed>) = 0 [pid 1670] mkdirat(AT_FDCWD, "./config", 0777 [pid 1669] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./273/cgroup.net" [pid 309] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1670] <... mkdirat resumed>) = 0 [pid 1669] <... mount resumed>) = 0 [pid 313] openat(AT_FDCWD, "./278/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1670] mount(NULL, "./config", "configfs", 0, NULL [pid 1669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1670] <... mount resumed>) = 0 [pid 1669] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 4 [pid 312] umount2("./273/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./263/config" [pid 1670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] fstat(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1670] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1669] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./273/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./263/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1670] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1669] <... mkdirat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] unlink("./273/cgroup.cpu" [pid 1670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1669] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1670] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1669] <... symlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./263/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1670] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1669] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] close(4 [pid 312] umount2("./273/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1670] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1669] <... unlinkat resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1670] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1669] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] rmdir("./278/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 1670] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1669] <... unlinkat resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 1670] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1669] close(3 [pid 312] newfstatat(AT_FDCWD, "./273/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1670] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./278/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1670] close(3 [pid 1669] close(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./273/cgroup" [pid 1670] close(4 [pid 1669] close(5 [pid 313] newfstatat(AT_FDCWD, "./278/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 1670] close(5 [pid 1669] close(6 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./278/binderfs" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1670] close(6 [pid 1669] close(7 [pid 309] close(4 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] close(3 [pid 1670] close(7 [pid 1669] close(8 [pid 313] umount2("./278/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 309] rmdir("./263/config" [pid 1670] close(8 [pid 1669] close(9 [pid 313] newfstatat(AT_FDCWD, "./278/cgroup.net" [pid 312] rmdir("./273" [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1670] close(9 [pid 1669] close(10 [pid 313] unlink("./278/cgroup.net" [pid 312] <... rmdir resumed>) = 0 [pid 309] umount2("./263/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] mkdir("./274", 0777 [pid 1670] close(10 [pid 1669] close(11 [pid 313] umount2("./278/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 1670] close(11 [pid 1669] close(12 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./263/binderfs" [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./278/cgroup.cpu" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1670] close(12 [pid 1669] close(13 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./278/cgroup.cpu" [pid 1670] close(13 [pid 1669] close(14 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1670] close(14 [pid 1669] close(15 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1670] close(15 [pid 1669] close(16ci2-android-5-15/strace-static-x86_64: Process 1671 attached [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] unlink("./263/binderfs" [pid 1671] set_robust_list(0x55555bb49760, 24 [pid 1670] close(16 [pid 1669] close(17 [pid 313] umount2("./278/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 276 [pid 1671] <... set_robust_list resumed>) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1671] rt_sigprocmask(SIG_SETMASK, [] [pid 1670] close(17 [pid 1669] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./263/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1671] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1671] chdir("./274" [pid 1670] close(18 [pid 1669] close(19 [pid 313] newfstatat(AT_FDCWD, "./278/cgroup" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1671] <... chdir resumed>) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1670] close(19 [pid 1669] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./263/cgroup.net" [pid 1671] <... prctl resumed>) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1671] setpgid(0, 0 [pid 1670] close(20 [pid 1669] close(21 [pid 313] unlink("./278/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1671] <... setpgid resumed>) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1671] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1670] close(21 [pid 1669] close(22 [pid 313] <... unlink resumed>) = 0 [pid 309] unlink("./263/cgroup.net" [pid 1671] <... symlink resumed>) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1671] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1670] close(22 [pid 1669] close(23 [pid 313] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 1671] <... symlink resumed>) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./263/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1671] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1670] close(23 [pid 1669] close(24 [pid 1671] <... symlink resumed>) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1670] close(24 [pid 1669] close(25 [pid 1671] <... openat resumed>) = 3 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./263/cgroup.cpu" [pid 1671] write(3, "1000", 4 [pid 1670] close(25 [pid 1669] close(26 [pid 313] rmdir("./278" [pid 1671] <... write resumed>) = 4 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1671] close(3 [pid 1670] close(26 [pid 1669] close(27 [pid 313] <... rmdir resumed>) = 0 [pid 309] unlink("./263/cgroup.cpu" [pid 1671] <... close resumed>) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./279", 0777 [pid 1671] symlink("/dev/binderfs", "./binderfs" [pid 1670] close(27 [pid 1669] close(28 [pid 309] <... unlink resumed>) = 0 [pid 1671] <... symlink resumed>) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 309] umount2("./263/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1671] write(1, "executing program\n", 18 [pid 1670] close(28 [pid 1669] close(29 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1671] <... write resumed>) = 18 executing program [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1671] mkdirat(AT_FDCWD, "./config", 0777 [pid 1670] close(29 [pid 1669] exit_group(0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1671] <... mkdirat resumed>) = 0 [pid 1670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1669] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./263/cgroup"ci2-android-5-15/strace-static-x86_64: Process 1672 attached [pid 1671] mount(NULL, "./config", "configfs", 0, NULL [pid 1670] exit_group(0 [pid 1669] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1672] set_robust_list(0x55555bb49760, 24 [pid 1671] <... mount resumed>) = 0 [pid 1670] <... exit_group resumed>) = ? [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 281 [pid 1672] <... set_robust_list resumed>) = 0 [pid 1671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1670] +++ exited with 0 +++ [pid 309] unlink("./263/cgroup" [pid 1671] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1672] rt_sigprocmask(SIG_SETMASK, [] [pid 1671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 1672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1671] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(3 [pid 1672] chdir("./279" [pid 1671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1672] <... chdir resumed>) = 0 [pid 1671] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1671] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1671] <... symlinkat resumed>) = 0 [pid 309] close(3 [pid 1672] <... prctl resumed>) = 0 [pid 1671] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1672] setpgid(0, 0 [pid 1671] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1672] <... setpgid resumed>) = 0 [pid 1671] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rmdir("./263" [pid 1672] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1671] <... unlinkat resumed>) = 0 [pid 1671] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 1672] <... symlink resumed>) = 0 [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./264", 0777 [pid 1672] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1671] close(4) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1672] <... symlink resumed>) = 0 [pid 1671] close(5 [pid 1672] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1671] close(6) = -1 EBADF (Bad file descriptor) [pid 1671] close(7) = -1 EBADF (Bad file descriptor) [pid 1672] <... symlink resumed>) = 0 [pid 1671] close(8 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1671] close(9 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1672] <... openat resumed>) = 3 [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1671] close(10) = -1 EBADF (Bad file descriptor) [pid 1671] close(11) = -1 EBADF (Bad file descriptor) [pid 1671] close(12) = -1 EBADF (Bad file descriptor) [pid 1671] close(13) = -1 EBADF (Bad file descriptor) [pid 1671] close(14) = -1 EBADF (Bad file descriptor) [pid 1671] close(15) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1673 attached [pid 1672] write(3, "1000", 4 [pid 1671] close(16 [pid 1673] set_robust_list(0x55555bb49760, 24 [pid 1672] <... write resumed>) = 4 [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 266 [pid 1673] <... set_robust_list resumed>) = 0 [pid 1672] close(3 [pid 1671] close(17 [pid 1673] rt_sigprocmask(SIG_SETMASK, [] [pid 1672] <... close resumed>) = 0 [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1673] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1672] symlink("/dev/binderfs", "./binderfs" [pid 1671] close(18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1673] chdir("./264" [pid 1672] <... symlink resumed>) = 0 [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 1673] <... chdir resumed>) = 0 [pid 1672] write(1, "executing program\n", 18 [pid 1671] close(19 [pid 1673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1672] <... write resumed>) = 18 [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1673] <... prctl resumed>) = 0 [pid 1671] close(20 [pid 1672] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./267", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1673] setpgid(0, 0 [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1673] <... setpgid resumed>) = 0 [pid 1672] <... mkdirat resumed>) = 0 [pid 1671] close(21 [pid 311] umount2("./270", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1673] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1672] mount(NULL, "./config", "configfs", 0, NULL [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1673] <... symlink resumed>) = 0 [pid 1671] close(22 [pid 310] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1673] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1673] <... symlink resumed>) = 0 [pid 1672] <... mount resumed>) = 0 [pid 1671] close(23 [pid 311] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 1673] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1673] <... symlink resumed>) = 0 [pid 1672] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1671] close(24 [pid 311] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 1673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1673] <... openat resumed>) = 3 [pid 1672] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1671] close(25 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1673] write(3, "1000", 4 [pid 1672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1673] <... write resumed>) = 4 [pid 1671] close(26 [pid 311] getdents64(3 [pid 1673] close(3 [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1673] <... close resumed>) = 0 [pid 1672] <... mkdirat resumed>) = 0 [pid 1671] close(27 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1673] symlink("/dev/binderfs", "./binderfs" [pid 1672] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1673] <... symlink resumed>) = 0 [pid 1671] close(28 [pid 311] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1673] write(1, "executing program\n", 18 [pid 1672] <... symlinkat resumed>) = 0 [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1673] <... write resumed>) = 18 [pid 1671] close(29 executing program [pid 1673] mkdirat(AT_FDCWD, "./config", 0777 [pid 1672] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1673] <... mkdirat resumed>) = 0 [pid 1671] exit_group(0 [pid 1673] mount(NULL, "./config", "configfs", 0, NULL [pid 1672] <... unlinkat resumed>) = 0 [pid 1671] <... exit_group resumed>) = ? [pid 1673] <... mount resumed>) = 0 [pid 1672] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1671] +++ exited with 0 +++ [pid 311] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1672] <... unlinkat resumed>) = 0 [pid 1673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1672] close(3 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] newfstatat(AT_FDCWD, "./270/config" [pid 310] newfstatat(AT_FDCWD, "./267/config" [pid 1673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1673] <... mkdirat resumed>) = 0 [pid 1672] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1673] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1673] <... symlinkat resumed>) = 0 [pid 1672] close(5 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1673] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./270/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1673] <... unlinkat resumed>) = 0 [pid 1672] close(6 [pid 1673] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... openat resumed>) = 4 [pid 310] openat(AT_FDCWD, "./267/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1673] <... unlinkat resumed>) = 0 [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 1673] close(3 [pid 1672] close(7 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... openat resumed>) = 4 [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] fstat(4 [pid 1673] close(4 [pid 1672] close(8 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 1673] close(5 [pid 1672] close(9 [pid 311] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1673] close(6 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1672] close(10 [pid 310] getdents64(4 [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1673] close(7 [pid 1672] close(11 [pid 311] <... close resumed>) = 0 [pid 310] close(4 [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1673] close(8) = -1 EBADF (Bad file descriptor) [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1673] close(9 [pid 1672] close(12 [pid 311] rmdir("./270/config" [pid 310] <... close resumed>) = 0 [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1673] close(10 [pid 311] <... rmdir resumed>) = 0 [pid 310] rmdir("./267/config" [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] close(13 [pid 311] umount2("./270/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1673] close(11 [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] close(14 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./267/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1673] close(12 [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./270/binderfs" [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] close(15 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1673] close(13 [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./267/binderfs" [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] close(16 [pid 311] unlink("./270/binderfs" [pid 1673] close(14 [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] close(17 [pid 311] <... unlink resumed>) = 0 [pid 1673] close(15 [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./270/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./267/binderfs" [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] close(18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1673] close(16 [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./270/cgroup.net" [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] close(19 [pid 310] umount2("./267/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1673] close(17 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1673] close(18) = -1 EBADF (Bad file descriptor) [pid 1673] close(19) = -1 EBADF (Bad file descriptor) [pid 1673] close(20) = -1 EBADF (Bad file descriptor) [pid 1673] close(21) = -1 EBADF (Bad file descriptor) [pid 1673] close(22) = -1 EBADF (Bad file descriptor) [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./270/cgroup.net" [pid 1673] close(23 [pid 1672] close(20 [pid 310] newfstatat(AT_FDCWD, "./267/cgroup.net" [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1673] close(24 [pid 1672] close(21 [pid 311] umount2("./270/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./267/cgroup.net" [pid 1673] close(25 [pid 1672] close(22 [pid 311] newfstatat(AT_FDCWD, "./270/cgroup.cpu" [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1673] close(26) = -1 EBADF (Bad file descriptor) [pid 1673] close(27) = -1 EBADF (Bad file descriptor) [pid 1672] close(23 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./267/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1673] close(28 [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./270/cgroup.cpu" [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] close(24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1673] close(29 [pid 311] <... unlink resumed>) = 0 [pid 1673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./274", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./270/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./267/cgroup.cpu" [pid 1673] exit_group(0 [pid 1672] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1673] <... exit_group resumed>) = ? [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./270/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1673] +++ exited with 0 +++ [pid 1672] close(26 [pid 312] <... openat resumed>) = 3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./267/cgroup.cpu" [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 311] unlink("./270/cgroup" [pid 1672] close(27 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./267/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1672] close(28 [pid 312] getdents64(3 [pid 311] getdents64(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1672] close(29 [pid 312] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 310] newfstatat(AT_FDCWD, "./267/cgroup" [pid 1672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1672] exit_group(0 [pid 311] rmdir("./270" [pid 1672] <... exit_group resumed>) = ? [pid 312] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./267/cgroup" [pid 311] <... rmdir resumed>) = 0 [pid 1672] +++ exited with 0 +++ [pid 311] mkdir("./271", 0777 [pid 310] <... unlink resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... mkdir resumed>) = 0 [pid 310] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./274/config" [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1674 attached [pid 312] openat(AT_FDCWD, "./274/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./267" [pid 1674] set_robust_list(0x55555bb49760, 24) = 0 [pid 1674] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... openat resumed>) = 4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 273 [pid 310] <... rmdir resumed>) = 0 [pid 1674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] fstat(4 [pid 1674] chdir("./271" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] mkdir("./268", 0777 [pid 1674] <... chdir resumed>) = 0 [pid 312] getdents64(4 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... mkdir resumed>) = 0 [pid 1674] <... prctl resumed>) = 0 [pid 312] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1674] setpgid(0, 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1674] <... setpgid resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] close(4 [pid 1674] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1674] <... symlink resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 1674] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 1674] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 1674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 1675 attached ) = 3 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] rmdir("./274/config" [pid 1675] set_robust_list(0x55555bb49760, 24 [pid 1674] write(3, "1000", 4 [pid 1675] <... set_robust_list resumed>) = 0 [pid 1674] <... write resumed>) = 4 [pid 312] <... rmdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 270 [pid 1675] rt_sigprocmask(SIG_SETMASK, [] [pid 1674] close(3 [pid 312] umount2("./274/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1674] <... close resumed>) = 0 [pid 313] umount2("./279", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1675] chdir("./268" [pid 1674] symlink("/dev/binderfs", "./binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./274/binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1675] <... chdir resumed>) = 0 [pid 1674] <... symlink resumed>) = 0 executing program [pid 1675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1674] write(1, "executing program\n", 18 [pid 313] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1675] <... prctl resumed>) = 0 [pid 1674] <... write resumed>) = 18 [pid 313] <... openat resumed>) = 3 [pid 312] unlink("./274/binderfs" [pid 1675] setpgid(0, 0 [pid 1674] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] fstat(3 [pid 1675] <... setpgid resumed>) = 0 [pid 1674] <... mkdirat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1675] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1674] mount(NULL, "./config", "configfs", 0, NULL [pid 1675] <... symlink resumed>) = 0 [pid 1674] <... mount resumed>) = 0 [pid 313] getdents64(3 [pid 312] umount2("./274/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1675] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1675] <... symlink resumed>) = 0 [pid 1674] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1675] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./274/cgroup.net" [pid 1675] <... symlink resumed>) = 0 [pid 1674] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1675] <... openat resumed>) = 3 [pid 1674] <... mkdirat resumed>) = 0 [pid 313] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./274/cgroup.net" [pid 309] <... restart_syscall resumed>) = 0 [pid 1675] write(3, "1000", 4 [pid 1674] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1675] <... write resumed>) = 4 [pid 1674] <... symlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./279/config" [pid 312] <... unlink resumed>) = 0 [pid 1675] close(3 [pid 1674] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1675] <... close resumed>) = 0 [pid 1674] <... unlinkat resumed>) = 0 [pid 312] umount2("./274/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1675] symlink("/dev/binderfs", "./binderfs" [pid 1674] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./264", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1675] <... symlink resumed>) = 0 [pid 1674] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1675] write(1, "executing program\n", 18 executing program [pid 1674] close(3 [pid 1675] <... write resumed>) = 18 [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./279/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./274/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1675] mkdirat(AT_FDCWD, "./config", 0777 [pid 1674] close(4 [pid 313] <... openat resumed>) = 4 [pid 1675] <... mkdirat resumed>) = 0 [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1675] mount(NULL, "./config", "configfs", 0, NULL [pid 1674] close(5 [pid 313] fstat(4 [pid 312] unlink("./274/cgroup.cpu" [pid 1675] <... mount resumed>) = 0 [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 1675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1674] close(6 [pid 313] getdents64(4 [pid 312] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1675] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] umount2("./274/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1674] close(7 [pid 313] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1675] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] newfstatat(AT_FDCWD, "./274/cgroup" [pid 309] getdents64(3 [pid 1675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1674] close(8 [pid 313] close(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1675] <... mkdirat resumed>) = 0 [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] unlink("./274/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1675] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1674] close(9 [pid 1675] <... symlinkat resumed>) = 0 [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./279/config" [pid 312] <... unlink resumed>) = 0 [pid 309] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1675] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1674] close(10 [pid 1675] <... unlinkat resumed>) = 0 [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] getdents64(3 [pid 309] <... umount2 resumed>) = 0 [pid 1675] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1674] close(11 [pid 313] umount2("./279/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1675] <... unlinkat resumed>) = 0 [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(3 [pid 1675] close(3 [pid 1674] close(12 [pid 313] newfstatat(AT_FDCWD, "./279/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1675] close(4 [pid 1674] close(13 [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rmdir("./274" [pid 309] newfstatat(AT_FDCWD, "./264/config" [pid 1675] close(5 [pid 1674] close(14 [pid 313] unlink("./279/binderfs" [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1675] close(6 [pid 1674] close(15 [pid 313] <... unlink resumed>) = 0 [pid 312] mkdir("./275", 0777 [pid 309] umount2("./264/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./279/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1675] close(7 [pid 1674] close(16 [pid 312] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./264/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1675] close(8 [pid 1674] close(17 [pid 313] newfstatat(AT_FDCWD, "./279/cgroup.net" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 4 [pid 1675] close(9 [pid 1674] close(18 [pid 313] unlink("./279/cgroup.net" [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1675] close(10 [pid 1674] close(19 [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1675] close(11 [pid 1674] close(20 [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1676 attached [pid 1675] close(12 [pid 1674] close(21 [pid 313] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 1676] set_robust_list(0x55555bb49760, 24 [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./279/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 277 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1676] <... set_robust_list resumed>) = 0 [pid 1675] close(13 [pid 1674] close(22 [pid 1676] rt_sigprocmask(SIG_SETMASK, [] [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 1676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1675] close(14 [pid 1674] close(23 [pid 1676] chdir("./275" [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./279/cgroup.cpu" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1676] <... chdir resumed>) = 0 [pid 1675] close(15 [pid 1674] close(24 [pid 1676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1676] <... prctl resumed>) = 0 [pid 1675] close(16 [pid 1674] close(25 [pid 1676] setpgid(0, 0 [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./279/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1676] <... setpgid resumed>) = 0 [pid 1675] close(17 [pid 1674] close(26 [pid 1676] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1676] <... symlink resumed>) = 0 [pid 1675] close(18 [pid 1674] close(27 [pid 313] umount2("./279/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1676] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1676] <... symlink resumed>) = 0 [pid 1675] close(19 [pid 1674] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./264/config" [pid 1676] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./279/cgroup" [pid 1676] <... symlink resumed>) = 0 [pid 1675] close(20 [pid 1674] close(29 [pid 309] <... rmdir resumed>) = 0 [pid 1676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1676] <... openat resumed>) = 3 [pid 1675] close(21 [pid 1674] exit_group(0 [pid 313] unlink("./279/cgroup" [pid 309] umount2("./264/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1676] write(3, "1000", 4 [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1674] <... exit_group resumed>) = ? [pid 1676] <... write resumed>) = 4 [pid 1675] close(22 [pid 1674] +++ exited with 0 +++ [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1676] close(3 [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./264/binderfs" [pid 1676] <... close resumed>) = 0 [pid 1675] close(23 [pid 1676] symlink("/dev/binderfs", "./binderfs" [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1676] <... symlink resumed>) = 0 [pid 1675] close(24 [pid 313] close(3 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1676] write(1, "executing program\n", 18 [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1676] <... write resumed>) = 18 [pid 1675] close(25 [pid 313] <... close resumed>) = 0 [pid 309] unlink("./264/binderfs" [pid 1676] mkdirat(AT_FDCWD, "./config", 0777 [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./279" [pid 1676] <... mkdirat resumed>) = 0 [pid 1675] close(26 [pid 309] <... unlink resumed>) = 0 [pid 1676] mount(NULL, "./config", "configfs", 0, NULL [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] umount2("./264/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1676] <... mount resumed>) = 0 [pid 1675] close(27 [pid 1676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./280", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1676] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1675] close(28 [pid 1676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1676] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1675] close(29 [pid 313] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./264/cgroup.net" [pid 1676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1676] <... mkdirat resumed>) = 0 [pid 1675] exit_group(0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1676] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1675] <... exit_group resumed>) = ? [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./264/cgroup.net" [pid 1676] <... symlinkat resumed>) = 0 [pid 1675] +++ exited with 0 +++ [pid 1676] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1676] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1676] close(3) = -1 EBADF (Bad file descriptor) [pid 1676] close(4ci2-android-5-15/strace-static-x86_64: Process 1677 attached ) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1677] set_robust_list(0x55555bb49760, 24 [pid 1676] close(5 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 282 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./264/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1677] <... set_robust_list resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1677] rt_sigprocmask(SIG_SETMASK, [] [pid 1676] close(6 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1677] chdir("./280" [pid 1676] close(7 [pid 309] newfstatat(AT_FDCWD, "./264/cgroup.cpu" [pid 1677] <... chdir resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1676] close(8 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1677] <... prctl resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./271", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./264/cgroup.cpu" [pid 1677] setpgid(0, 0 [pid 1676] close(9 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1677] <... setpgid resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1677] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1676] close(10 [pid 309] umount2("./264/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1677] <... symlink resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1677] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1676] close(11 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1677] <... symlink resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./264/cgroup" [pid 1677] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1676] close(12 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1677] <... symlink resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1676] close(13 [pid 311] getdents64(3 [pid 309] unlink("./264/cgroup" [pid 1677] <... openat resumed>) = 3 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1677] write(3, "1000", 4 [pid 1676] close(14 [pid 311] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1677] <... write resumed>) = 4 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1677] close(3 [pid 1676] close(15 [pid 1677] <... close resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 1677] symlink("/dev/binderfs", "./binderfs" [pid 1676] close(16 [pid 311] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1677] <... symlink resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1677] write(1, "executing program\n", 18 executing program [pid 1676] close(17 [pid 311] newfstatat(AT_FDCWD, "./271/config" [pid 309] close(3 [pid 1677] <... write resumed>) = 18 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1677] mkdirat(AT_FDCWD, "./config", 0777 [pid 1676] close(18 [pid 310] umount2("./268", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1677] <... mkdirat resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./264" [pid 1677] mount(NULL, "./config", "configfs", 0, NULL [pid 1676] close(19 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1677] <... mount resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./271/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 1677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1676] close(20 [pid 310] <... openat resumed>) = 3 [pid 311] <... openat resumed>) = 4 [pid 1677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./265", 0777 [pid 1677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1676] close(21 [pid 311] fstat(4 [pid 310] fstat(3 [pid 1677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1676] close(22 [pid 311] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1677] <... mkdirat resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1677] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1676] close(23 [pid 311] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1677] <... symlinkat resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1677] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1676] close(24 [pid 310] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1677] <... unlinkat resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1677] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1676] close(25ci2-android-5-15/strace-static-x86_64: Process 1678 attached [pid 1677] <... unlinkat resumed>) = 0 [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 310] <... umount2 resumed>) = 0 [pid 1678] set_robust_list(0x55555bb49760, 24 [pid 1677] close(3 [pid 1676] close(26 [pid 311] <... close resumed>) = 0 [pid 310] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 267 [pid 1678] <... set_robust_list resumed>) = 0 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./271/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1678] rt_sigprocmask(SIG_SETMASK, [] [pid 1677] close(4 [pid 1676] close(27 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./268/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1678] chdir("./265" [pid 1677] close(5 [pid 1676] close(28 [pid 311] umount2("./271/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1678] <... chdir resumed>) = 0 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1677] close(6 [pid 1676] close(29 [pid 311] newfstatat(AT_FDCWD, "./271/binderfs" [pid 1678] <... prctl resumed>) = 0 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1678] setpgid(0, 0 [pid 1677] close(7 [pid 1676] exit_group(0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1678] <... setpgid resumed>) = 0 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1676] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./268/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./271/binderfs" [pid 1678] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1677] close(8 [pid 1676] +++ exited with 0 +++ [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1677] close(9) = -1 EBADF (Bad file descriptor) [pid 1677] close(10) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1677] close(11 [pid 311] <... unlink resumed>) = 0 [pid 1678] <... symlink resumed>) = 0 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./271/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 1678] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1677] close(12 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] <... symlink resumed>) = 0 [pid 1677] close(13 [pid 311] newfstatat(AT_FDCWD, "./271/cgroup.net" [pid 1678] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1677] close(14 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1678] <... symlink resumed>) = 0 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./271/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1677] close(15) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 1677] close(16) = -1 EBADF (Bad file descriptor) [pid 1678] <... openat resumed>) = 3 [pid 1677] close(17 [pid 311] umount2("./271/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1678] write(3, "1000", 4 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 1678] <... write resumed>) = 4 [pid 1677] close(18 [pid 311] newfstatat(AT_FDCWD, "./271/cgroup.cpu" [pid 1678] close(3 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1678] <... close resumed>) = 0 [pid 1677] close(19 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] symlink("/dev/binderfs", "./binderfs" [pid 1677] close(20 [pid 311] unlink("./271/cgroup.cpu" [pid 310] rmdir("./268/config" [pid 1678] <... symlink resumed>) = 0 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1677] close(21 [pid 311] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1678] write(1, "executing program\n", 18 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./271/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./268/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1678] <... write resumed>) = 18 [pid 1677] close(22 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1677] close(23 [pid 1678] mkdirat(AT_FDCWD, "./config", 0777 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./271/cgroup" [pid 310] newfstatat(AT_FDCWD, "./268/binderfs" [pid 1678] <... mkdirat resumed>) = 0 [pid 1677] close(24 executing program [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1678] mount(NULL, "./config", "configfs", 0, NULL [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./271/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1678] <... mount resumed>) = 0 [pid 1677] close(25 [pid 1678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./268/binderfs" [pid 1678] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1677] close(26 [pid 311] getdents64(3 [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1677] close(27) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1677] close(28 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./268/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1678] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 1678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1677] close(29 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1678] <... mkdirat resumed>) = 0 [pid 1677] exit_group(0 [pid 311] rmdir("./271" [pid 310] newfstatat(AT_FDCWD, "./268/cgroup.net" [pid 1678] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1677] <... exit_group resumed>) = ? [pid 1678] <... symlinkat resumed>) = 0 [pid 1677] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1678] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] mkdir("./272", 0777 [pid 310] unlink("./268/cgroup.net" [pid 1678] <... unlinkat resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1678] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] umount2("./275", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... mkdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1678] <... unlinkat resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./268/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1678] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1678] close(4 [pid 312] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 1679 attached [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./268/cgroup.cpu" [pid 1679] set_robust_list(0x55555bb49760, 24 [pid 1678] close(5 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 274 [pid 1679] <... set_robust_list resumed>) = 0 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1679] rt_sigprocmask(SIG_SETMASK, [] [pid 1678] close(6 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./268/cgroup.cpu" [pid 1679] chdir("./272" [pid 1678] close(7 [pid 1679] <... chdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... umount2 resumed>) = 0 [pid 310] umount2("./268/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1679] <... prctl resumed>) = 0 [pid 1678] close(8 [pid 312] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1679] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1679] <... setpgid resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./268/cgroup" [pid 1678] close(9 [pid 1679] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 312] newfstatat(AT_FDCWD, "./275/config" [pid 1679] <... symlink resumed>) = 0 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1679] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1678] close(10 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./268/cgroup" [pid 1679] <... symlink resumed>) = 0 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1679] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 310] <... unlink resumed>) = 0 [pid 1679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1678] close(11 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1679] <... openat resumed>) = 3 [pid 1679] write(3, "1000", 4) = 4 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./275/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1679] close(3 [pid 1678] close(12 [pid 1679] <... close resumed>) = 0 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 310] close(3 [pid 1679] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1678] close(13 [pid 312] fstat(4 [pid 310] <... close resumed>) = 0 [pid 1679] write(1, "executing program\n", 18 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] rmdir("./268" [pid 1679] <... write resumed>) = 18 [pid 1678] close(14 [pid 312] getdents64(4 executing program [pid 1679] mkdirat(AT_FDCWD, "./config", 0777 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1679] <... mkdirat resumed>) = 0 [pid 1678] close(15 [pid 312] getdents64(4 [pid 310] mkdir("./269", 0777 [pid 1679] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1678] close(16 [pid 312] close(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1679] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1678] close(17 [pid 312] rmdir("./275/config" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1679] <... mkdirat resumed>) = 0 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1679] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 312] <... rmdir resumed>) = 0 [pid 1679] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1679] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1679] close(3) = -1 EBADF (Bad file descriptor) [pid 1679] close(4) = -1 EBADF (Bad file descriptor) [pid 1679] close(5) = -1 EBADF (Bad file descriptor) [pid 1679] close(6) = -1 EBADF (Bad file descriptor) [pid 1679] close(7) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1680 attached [pid 1679] close(8 [pid 1678] close(18 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] umount2("./275/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1680] set_robust_list(0x55555bb49760, 24 [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1680] <... set_robust_list resumed>) = 0 [pid 1679] close(9 [pid 1678] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 271 [pid 1680] rt_sigprocmask(SIG_SETMASK, [] [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./275/binderfs" [pid 1680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1679] close(10 [pid 1678] close(20 [pid 313] umount2("./280", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1680] chdir("./269" [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1680] <... chdir resumed>) = 0 [pid 1679] close(11 [pid 1678] close(21 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] unlink("./275/binderfs" [pid 1680] <... prctl resumed>) = 0 [pid 1679] close(12 [pid 1678] close(22 [pid 1680] setpgid(0, 0 [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1680] <... setpgid resumed>) = 0 [pid 1679] close(13 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 312] <... unlink resumed>) = 0 [pid 1680] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] close(23 [pid 1680] <... symlink resumed>) = 0 [pid 1679] close(14 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] umount2("./275/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1680] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] close(24 [pid 313] getdents64(3 [pid 1680] <... symlink resumed>) = 0 [pid 1679] close(15 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1680] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1680] <... symlink resumed>) = 0 [pid 1679] close(16 [pid 1678] close(25 [pid 313] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./275/cgroup.net" [pid 1680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1680] <... openat resumed>) = 3 [pid 1679] close(17 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1680] write(3, "1000", 4 [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] close(26 [pid 1680] <... write resumed>) = 4 [pid 1679] close(18 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./275/cgroup.net" [pid 1680] close(3 [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1680] <... close resumed>) = 0 [pid 1679] close(19 [pid 312] <... unlink resumed>) = 0 [pid 1680] symlink("/dev/binderfs", "./binderfs" [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./280/config" [pid 312] umount2("./275/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1680] <... symlink resumed>) = 0 [pid 1679] close(20 [pid 1678] close(28 [pid 1680] write(1, "executing program\n", 18 [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1680] <... write resumed>) = 18 [pid 1679] close(21 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./275/cgroup.cpu" [pid 1680] mkdirat(AT_FDCWD, "./config", 0777 [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1680] <... mkdirat resumed>) = 0 [pid 1679] close(22 [pid 1678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./280/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1680] mount(NULL, "./config", "configfs", 0, NULL [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] exit_group(0 [pid 1680] <... mount resumed>) = 0 [pid 1679] close(23 [pid 313] <... openat resumed>) = 4 [pid 312] unlink("./275/cgroup.cpu" [pid 1680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] <... exit_group resumed>) = ? [pid 313] fstat(4 [pid 1680] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1679] close(24 [pid 312] <... unlink resumed>) = 0 [pid 1680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1680] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1679] close(25 [pid 1680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1680] <... mkdirat resumed>) = 0 [pid 1679] close(26 [pid 1680] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1678] +++ exited with 0 +++ [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1680] <... symlinkat resumed>) = 0 [pid 1679] close(27 [pid 312] umount2("./275/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] getdents64(4 [pid 1680] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1680] <... unlinkat resumed>) = 0 [pid 1679] close(28 [pid 313] getdents64(4 [pid 312] newfstatat(AT_FDCWD, "./275/cgroup" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1680] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1680] <... unlinkat resumed>) = 0 [pid 1679] close(29 [pid 313] close(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1680] close(3 [pid 1679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] unlink("./275/cgroup" [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1679] exit_group(0 [pid 313] rmdir("./280/config" [pid 309] <... restart_syscall resumed>) = 0 [pid 1680] close(4 [pid 1679] <... exit_group resumed>) = ? [pid 312] <... unlink resumed>) = 0 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1679] +++ exited with 0 +++ [pid 313] <... rmdir resumed>) = 0 [pid 1680] close(5 [pid 312] getdents64(3 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./280/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1680] close(6 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1680] close(7 [pid 312] close(3 [pid 313] newfstatat(AT_FDCWD, "./280/binderfs" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./265", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 1680] close(8) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./280/binderfs" [pid 312] rmdir("./275" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1680] close(9 [pid 313] <... unlink resumed>) = 0 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1680] close(10 [pid 313] umount2("./280/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./276", 0777 [pid 309] <... openat resumed>) = 3 [pid 1680] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 309] fstat(3 [pid 313] newfstatat(AT_FDCWD, "./280/cgroup.net" [pid 1680] close(12 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1680] close(13 [pid 309] getdents64(3 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./280/cgroup.net" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1680] close(14 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1680] close(15) = -1 EBADF (Bad file descriptor) [pid 1680] close(16) = -1 EBADF (Bad file descriptor) [pid 1680] close(17) = -1 EBADF (Bad file descriptor) [pid 1680] close(18ci2-android-5-15/strace-static-x86_64: Process 1681 attached ) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./280/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1681] set_robust_list(0x55555bb49760, 24 [pid 1680] close(19 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 278 [pid 1681] <... set_robust_list resumed>) = 0 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1681] rt_sigprocmask(SIG_SETMASK, [] [pid 1680] close(20 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = 0 [pid 1681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./280/cgroup.cpu" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1681] chdir("./276" [pid 1680] close(21 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1681] <... chdir resumed>) = 0 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./280/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1680] close(22 [pid 1681] <... prctl resumed>) = 0 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./265/config" [pid 1681] setpgid(0, 0 [pid 1680] close(23 [pid 313] umount2("./280/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1681] <... setpgid resumed>) = 0 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1681] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1680] close(24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1681] <... symlink resumed>) = 0 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./280/cgroup" [pid 309] umount2("./265/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1681] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1680] close(25 [pid 1681] <... symlink resumed>) = 0 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1681] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1680] close(26 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1681] <... symlink resumed>) = 0 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./280/cgroup" [pid 1681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] openat(AT_FDCWD, "./265/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1681] <... openat resumed>) = 3 [pid 1680] close(27 [pid 313] <... unlink resumed>) = 0 [pid 1681] write(3, "1000", 4 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] <... openat resumed>) = 4 [pid 1681] <... write resumed>) = 4 [pid 1681] close(3 [pid 1680] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1681] <... close resumed>) = 0 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] fstat(4 [pid 1681] symlink("/dev/binderfs", "./binderfs" [pid 1680] close(29 [pid 313] <... close resumed>) = 0 [pid 1681] <... symlink resumed>) = 0 [pid 1680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./280" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1681] write(1, "executing program\n", 18 [pid 1680] exit_group(0 [pid 1681] <... write resumed>) = 18 executing program [pid 313] <... rmdir resumed>) = 0 [pid 1680] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 1681] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] mkdir("./281", 0777 [pid 1681] <... mkdirat resumed>) = 0 [pid 1681] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1681] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1680] +++ exited with 0 +++ [pid 1681] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1681] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... mkdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 1681] <... mkdirat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1681] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1681] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(4 [pid 1681] <... unlinkat resumed>) = 0 [pid 1681] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1681] close(3) = -1 EBADF (Bad file descriptor) [pid 1681] close(4ci2-android-5-15/strace-static-x86_64: Process 1682 attached ) = -1 EBADF (Bad file descriptor) [pid 1682] set_robust_list(0x55555bb49760, 24 [pid 1681] close(5 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 283 [pid 309] <... close resumed>) = 0 [pid 1682] <... set_robust_list resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./272", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] rt_sigprocmask(SIG_SETMASK, [] [pid 1681] close(6 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./265/config" [pid 1682] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1682] chdir("./281" [pid 1681] close(7 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 1682] <... chdir resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1681] close(8 [pid 311] <... openat resumed>) = 3 [pid 309] umount2("./265/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] <... prctl resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 1682] setpgid(0, 0 [pid 1681] close(9 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1682] <... setpgid resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1682] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1681] close(10 [pid 311] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./265/binderfs" [pid 1682] <... symlink resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1682] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1681] close(11 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1682] <... symlink resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1682] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1681] close(12 [pid 311] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./265/binderfs" [pid 1682] <... symlink resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1681] close(13 [pid 311] <... umount2 resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1682] <... openat resumed>) = 3 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1682] write(3, "1000", 4 [pid 1681] close(14 [pid 311] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./265/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] <... write resumed>) = 4 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1682] close(3 [pid 1681] close(15 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1682] <... close resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./272/config" executing program [pid 1682] symlink("/dev/binderfs", "./binderfs" [pid 1681] close(16 [pid 309] newfstatat(AT_FDCWD, "./265/cgroup.net" [pid 1682] <... symlink resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1682] write(1, "executing program\n", 18 [pid 1681] close(17 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1682] <... write resumed>) = 18 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./265/cgroup.net" [pid 1682] mkdirat(AT_FDCWD, "./config", 0777 [pid 1681] close(18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1682] <... mkdirat resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./272/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1682] mount(NULL, "./config", "configfs", 0, NULL [pid 1681] close(19 [pid 1682] <... mount resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 309] umount2("./265/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1681] close(20 [pid 1682] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1681] close(21 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1682] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./265/cgroup.cpu" [pid 1682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1681] close(22 [pid 311] getdents64(4 [pid 1682] <... mkdirat resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1682] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1681] close(23 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1682] <... symlinkat resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 309] unlink("./265/cgroup.cpu" [pid 1682] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1681] close(24 [pid 1682] <... unlinkat resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./269", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1682] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1681] close(25 [pid 311] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./265/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] <... unlinkat resumed>) = 0 [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1682] close(3 [pid 1681] close(26 [pid 311] rmdir("./272/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1682] close(4 [pid 1681] close(27 [pid 311] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./265/cgroup" [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./272/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 1682] close(5 [pid 1681] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./272/binderfs" [pid 1682] close(6 [pid 1681] close(29 [pid 310] getdents64(3 [pid 309] unlink("./265/cgroup" [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1682] close(7 [pid 1681] exit_group(0 [pid 311] unlink("./272/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... unlink resumed>) = 0 [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1681] <... exit_group resumed>) = ? [pid 1682] close(8 [pid 1681] +++ exited with 0 +++ [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./272/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] close(9 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] close(10 [pid 311] newfstatat(AT_FDCWD, "./272/cgroup.net" [pid 309] close(3 [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1682] close(11 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./269/config" [pid 309] <... close resumed>) = 0 [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./272/cgroup.net" [pid 1682] close(12 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./265" [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] close(13 [pid 311] umount2("./272/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./266", 0777 [pid 1682] close(14 [pid 311] newfstatat(AT_FDCWD, "./272/cgroup.cpu" [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1682] close(15 [pid 310] openat(AT_FDCWD, "./269/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1682] close(16 [pid 311] unlink("./272/cgroup.cpu" [pid 310] <... openat resumed>) = 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1682] close(17) = -1 EBADF (Bad file descriptor) [pid 1682] close(18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] umount2("./272/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1682] close(19 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1682] close(20) = -1 EBADF (Bad file descriptor) [pid 1682] close(21) = -1 EBADF (Bad file descriptor) [pid 1682] close(22) = -1 EBADF (Bad file descriptor) [pid 1682] close(23) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1683 attached [pid 1682] close(24 [pid 311] newfstatat(AT_FDCWD, "./272/cgroup" [pid 310] getdents64(4 [pid 1683] set_robust_list(0x55555bb49760, 24 [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1683] <... set_robust_list resumed>) = 0 [pid 1682] close(25 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 268 [pid 1683] rt_sigprocmask(SIG_SETMASK, [] [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./272/cgroup" [pid 310] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1683] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1682] close(26 [pid 1683] chdir("./266" [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1683] <... chdir resumed>) = 0 [pid 1682] close(27 [pid 311] getdents64(3 [pid 310] close(4 [pid 1683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1683] <... prctl resumed>) = 0 [pid 1682] close(28 [pid 311] close(3 [pid 310] <... close resumed>) = 0 [pid 1683] setpgid(0, 0 [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1683] <... setpgid resumed>) = 0 [pid 1682] close(29 [pid 311] <... close resumed>) = 0 [pid 310] rmdir("./269/config" [pid 1683] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./272" [pid 1683] <... symlink resumed>) = 0 [pid 1682] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 1683] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1682] <... exit_group resumed>) = ? [pid 1683] <... symlink resumed>) = 0 [pid 1682] +++ exited with 0 +++ [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./269/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1683] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 311] mkdir("./273", 0777 [pid 1683] <... symlink resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./269/binderfs" [pid 1683] write(3, "1000", 4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1683] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1683] close(3 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1683] <... close resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] unlink("./269/binderfs" [pid 1683] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1683] write(1, "executing program\n", 18) = 18 [pid 1683] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1683] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1684 attached ) = 0 executing program [pid 1683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] umount2("./276", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 275 [pid 310] <... unlink resumed>) = 0 [pid 1684] set_robust_list(0x55555bb49760, 24 [pid 1683] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1684] <... set_robust_list resumed>) = 0 [pid 1683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./269/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1684] rt_sigprocmask(SIG_SETMASK, [] [pid 1683] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1684] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... openat resumed>) = 3 [pid 1684] chdir("./273" [pid 1683] <... mkdirat resumed>) = 0 [pid 312] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./269/cgroup.net" [pid 1684] <... chdir resumed>) = 0 [pid 1683] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1683] <... symlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1684] <... prctl resumed>) = 0 [pid 1683] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] getdents64(3 [pid 310] unlink("./269/cgroup.net" [pid 1684] setpgid(0, 0 [pid 1683] <... unlinkat resumed>) = 0 [pid 1683] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1684] <... setpgid resumed>) = 0 [pid 1683] <... unlinkat resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... unlink resumed>) = 0 [pid 1684] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1683] close(3) = -1 EBADF (Bad file descriptor) [pid 1683] close(4 [pid 312] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./269/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1684] <... symlink resumed>) = 0 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1684] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1683] close(5 [pid 312] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1684] <... symlink resumed>) = 0 [pid 1683] close(6 [pid 312] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./269/cgroup.cpu" [pid 1684] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1683] close(7) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1684] <... symlink resumed>) = 0 [pid 1683] close(8 [pid 312] newfstatat(AT_FDCWD, "./276/config" [pid 310] unlink("./269/cgroup.cpu" [pid 1684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1683] close(9 [pid 310] <... unlink resumed>) = 0 [pid 1684] <... openat resumed>) = 3 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./269/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1684] write(3, "1000", 4 [pid 1683] close(10 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1684] <... write resumed>) = 4 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1683] close(11) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./276/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1684] close(3 [pid 1683] close(12 [pid 310] newfstatat(AT_FDCWD, "./269/cgroup" [pid 1684] <... close resumed>) = 0 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1684] symlink("/dev/binderfs", "./binderfs" [pid 1683] close(13 [pid 312] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1683] close(14 [pid 1684] <... symlink resumed>) = 0 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1684] write(1, "executing program\n", 18 [pid 1683] close(15 executing program [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] unlink("./269/cgroup" [pid 1684] <... write resumed>) = 18 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1683] close(16 [pid 310] <... unlink resumed>) = 0 [pid 1684] mkdirat(AT_FDCWD, "./config", 0777 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 1683] close(17 [pid 1684] <... mkdirat resumed>) = 0 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1684] mount(NULL, "./config", "configfs", 0, NULL [pid 1683] close(18) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 1684] <... mount resumed>) = 0 [pid 1683] close(19 [pid 312] close(4 [pid 1684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1683] close(20 [pid 312] <... close resumed>) = 0 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1683] close(21 [pid 310] rmdir("./269" [pid 1684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./276/config" [pid 1684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1683] close(22 [pid 310] <... rmdir resumed>) = 0 [pid 1684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 310] mkdir("./270", 0777 [pid 1683] close(23) = -1 EBADF (Bad file descriptor) [pid 1683] close(24) = -1 EBADF (Bad file descriptor) [pid 1683] close(25 [pid 1684] <... mkdirat resumed>) = 0 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] umount2("./276/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1684] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1683] close(26 [pid 310] <... mkdir resumed>) = 0 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1684] <... symlinkat resumed>) = 0 [pid 1683] close(27 [pid 1684] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./276/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] umount2("./281", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1684] <... unlinkat resumed>) = 0 [pid 1683] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1684] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./276/binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1683] close(29 [pid 1684] <... unlinkat resumed>) = 0 [pid 1683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1683] exit_group(0 [pid 312] <... unlink resumed>) = 0 [pid 1683] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1685 attached [pid 1684] close(3 [pid 1683] +++ exited with 0 +++ [pid 313] <... openat resumed>) = 3 [pid 312] umount2("./276/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1685] set_robust_list(0x55555bb49760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 272 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1685] <... set_robust_list resumed>) = 0 [pid 1684] close(4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./276/cgroup.net" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1685] rt_sigprocmask(SIG_SETMASK, [] [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1684] close(5 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] unlink("./276/cgroup.net" [pid 1685] chdir("./270" [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1685] <... chdir resumed>) = 0 [pid 1684] close(6 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] umount2("./266", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./276/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1685] <... prctl resumed>) = 0 [pid 1684] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1685] setpgid(0, 0 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./281/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1685] <... setpgid resumed>) = 0 [pid 1684] close(8 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./276/cgroup.cpu" [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 1685] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1684] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 1685] <... symlink resumed>) = 0 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./281/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] unlink("./276/cgroup.cpu" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1685] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1684] close(10 [pid 313] <... openat resumed>) = 4 [pid 312] <... unlink resumed>) = 0 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 313] fstat(4 [pid 312] umount2("./276/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1685] <... symlink resumed>) = 0 [pid 1684] close(11 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1685] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1685] <... symlink resumed>) = 0 [pid 1684] close(12 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] newfstatat(AT_FDCWD, "./276/cgroup" [pid 1685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 313] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1685] <... openat resumed>) = 3 [pid 1684] close(13 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1685] write(3, "1000", 4 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] unlink("./276/cgroup" [pid 309] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1685] <... write resumed>) = 4 [pid 1684] close(14 [pid 313] <... close resumed>) = 0 [pid 1685] close(3 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./281/config" [pid 312] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1685] <... close resumed>) = 0 [pid 1684] close(15 [pid 313] <... rmdir resumed>) = 0 [pid 1685] symlink("/dev/binderfs", "./binderfs" [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./281/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./266/config" [pid 1685] <... symlink resumed>) = 0 [pid 1684] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1685] write(1, "executing program\n", 18 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./281/binderfs" [pid 312] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1685] <... write resumed>) = 18 [pid 1684] close(17 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 309] umount2("./266/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1685] mkdirat(AT_FDCWD, "./config", 0777 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./281/binderfs" [pid 312] rmdir("./276" [pid 1684] close(18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./266/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] umount2("./281/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1685] <... mkdirat resumed>) = 0 [pid 1684] close(19 [pid 309] <... openat resumed>) = 4 [pid 1685] mount(NULL, "./config", "configfs", 0, NULL [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./277", 0777 [pid 309] fstat(4 [pid 1685] <... mount resumed>) = 0 [pid 1684] close(20 [pid 313] newfstatat(AT_FDCWD, "./281/cgroup.net" [pid 1685] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1685] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1684] close(21 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1685] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./281/cgroup.net" [pid 309] getdents64(4 [pid 1685] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1684] close(22 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1685] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1685] <... mkdirat resumed>) = 0 [pid 1684] close(23 [pid 313] umount2("./281/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4ci2-android-5-15/strace-static-x86_64: Process 1686 attached [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1685] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1686] set_robust_list(0x55555bb49760, 24 [pid 1684] close(24 [pid 313] newfstatat(AT_FDCWD, "./281/cgroup.cpu" [pid 1686] <... set_robust_list resumed>) = 0 [pid 1685] <... symlinkat resumed>) = 0 [pid 1686] rt_sigprocmask(SIG_SETMASK, [] [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 279 [pid 309] close(4 [pid 1686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1685] <... unlinkat resumed>) = 0 [pid 1684] close(25 [pid 313] unlink("./281/cgroup.cpu" [pid 1686] chdir("./277" [pid 1685] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 1686] <... chdir resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1685] <... unlinkat resumed>) = 0 [pid 1684] close(26 [pid 313] umount2("./281/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./266/config" [pid 1686] <... prctl resumed>) = 0 [pid 1685] close(3 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1686] setpgid(0, 0 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1686] <... setpgid resumed>) = 0 [pid 1684] close(27 [pid 313] newfstatat(AT_FDCWD, "./281/cgroup" [pid 1686] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1685] close(4 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./266/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1686] <... symlink resumed>) = 0 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1684] close(28 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1686] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1685] close(5 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./281/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1686] <... symlink resumed>) = 0 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1684] close(29 [pid 1686] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 1686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1685] close(6 [pid 1684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./266/binderfs" [pid 1686] <... openat resumed>) = 3 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1686] write(3, "1000", 4) = 4 [pid 1686] close(3 executing program [pid 1684] exit_group(0 [pid 313] getdents64(3 [pid 1686] <... close resumed>) = 0 [pid 1685] close(7 [pid 1684] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1686] symlink("/dev/binderfs", "./binderfs" [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1686] <... symlink resumed>) = 0 [pid 1686] write(1, "executing program\n", 18) = 18 [pid 1686] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1686] mount(NULL, "./config", "configfs", 0, NULL [pid 1684] +++ exited with 0 +++ [pid 1686] <... mount resumed>) = 0 [pid 1685] close(8 [pid 313] close(3 [pid 309] unlink("./266/binderfs" [pid 1686] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1686] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1685] close(9 [pid 313] rmdir("./281" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 1686] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1686] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1686] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1685] close(10 [pid 313] <... rmdir resumed>) = 0 [pid 309] umount2("./266/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1686] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./282", 0777 [pid 1686] <... symlinkat resumed>) = 0 [pid 1685] close(11 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1686] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./266/cgroup.net" [pid 1686] <... unlinkat resumed>) = 0 [pid 1685] close(12 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1686] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1686] <... unlinkat resumed>) = 0 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] unlink("./266/cgroup.net" [pid 1686] close(3) = -1 EBADF (Bad file descriptor) [pid 1685] close(13 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1686] close(4 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1686] close(5) = -1 EBADF (Bad file descriptor) [pid 1686] close(6) = -1 EBADF (Bad file descriptor) [pid 1686] close(7) = -1 EBADF (Bad file descriptor) [pid 1686] close(8ci2-android-5-15/strace-static-x86_64: Process 1687 attached ) = -1 EBADF (Bad file descriptor) [pid 1685] close(14 [pid 309] umount2("./266/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1687] set_robust_list(0x55555bb49760, 24 [pid 1686] close(9 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 284 [pid 1687] <... set_robust_list resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] close(15 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1687] rt_sigprocmask(SIG_SETMASK, [] [pid 1686] close(10 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./266/cgroup.cpu" [pid 1687] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] close(16 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1687] chdir("./282" [pid 1686] close(11 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1687] <... chdir resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] close(17 [pid 1687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1686] close(12 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 309] unlink("./266/cgroup.cpu" [pid 1687] <... prctl resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] close(18 [pid 1687] setpgid(0, 0 [pid 1686] close(13 [pid 309] <... unlink resumed>) = 0 [pid 1687] <... setpgid resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./266/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1687] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1686] close(14 [pid 1685] close(19 [pid 311] umount2("./273", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1687] <... symlink resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1687] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1686] close(15 [pid 1685] close(20 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./266/cgroup" [pid 1687] <... symlink resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1687] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1686] close(16 [pid 1685] close(21 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1687] <... symlink resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1686] close(17 [pid 1685] close(22 [pid 311] fstat(3 [pid 309] unlink("./266/cgroup" [pid 1687] <... openat resumed>) = 3 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1687] write(3, "1000", 4 [pid 1686] close(18 [pid 1685] close(23 [pid 309] <... unlink resumed>) = 0 [pid 1687] <... write resumed>) = 4 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 309] getdents64(3 [pid 1687] close(3 [pid 1686] close(19 [pid 1685] close(24 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1687] <... close resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1687] symlink("/dev/binderfs", "./binderfs" [pid 1686] close(20 [pid 1685] close(25 [pid 1687] <... symlink resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 309] <... close resumed>) = 0 executing program [pid 1687] write(1, "executing program\n", 18 [pid 1686] close(21 [pid 1685] close(26 [pid 311] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./266" [pid 1687] <... write resumed>) = 18 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1687] mkdirat(AT_FDCWD, "./config", 0777 [pid 1686] close(22 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1687] <... mkdirat resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1687] mount(NULL, "./config", "configfs", 0, NULL [pid 1686] close(23 [pid 1687] <... mount resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] close(27 [pid 311] newfstatat(AT_FDCWD, "./273/config" [pid 309] mkdir("./267", 0777 [pid 1687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1686] close(24 [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] close(28 [pid 311] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 1687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1686] close(25 [pid 1687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1686] close(26 [pid 1685] close(29 [pid 311] openat(AT_FDCWD, "./273/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1687] <... mkdirat resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1687] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1686] close(27 [pid 311] <... openat resumed>) = 4 [pid 1687] <... symlinkat resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1685] exit_group(0 [pid 311] fstat(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1687] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1686] close(28 [pid 1685] <... exit_group resumed>) = ? [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1687] <... unlinkat resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1687] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1686] close(29ci2-android-5-15/strace-static-x86_64: Process 1688 attached [pid 1687] <... unlinkat resumed>) = 0 [pid 1686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1687] close(3 [pid 1686] exit_group(0 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1686] <... exit_group resumed>) = ? [pid 1688] set_robust_list(0x55555bb49760, 24 [pid 1687] close(4 [pid 1686] +++ exited with 0 +++ [pid 1685] +++ exited with 0 +++ [pid 311] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 269 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1687] close(5) = -1 EBADF (Bad file descriptor) [pid 1687] close(6) = -1 EBADF (Bad file descriptor) [pid 1687] close(7) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1688] <... set_robust_list resumed>) = 0 [pid 1687] close(8 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1688] rt_sigprocmask(SIG_SETMASK, [] [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1688] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1687] close(9 [pid 311] close(4 [pid 1688] chdir("./267" [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1687] close(10 [pid 1688] <... chdir resumed>) = 0 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./273/config" [pid 310] umount2("./270", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1687] close(11) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1688] <... prctl resumed>) = 0 [pid 1687] close(12 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1688] setpgid(0, 0 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./273/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1688] <... setpgid resumed>) = 0 [pid 1687] close(13 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1688] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./273/binderfs" [pid 310] <... openat resumed>) = 3 [pid 1688] <... symlink resumed>) = 0 [pid 1687] close(14 [pid 1688] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 1688] <... symlink resumed>) = 0 [pid 1687] close(15 [pid 311] unlink("./273/binderfs" [pid 1688] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1687] close(16 [pid 311] <... unlink resumed>) = 0 [pid 1688] <... symlink resumed>) = 0 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./273/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1687] close(17 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1687] close(18 [pid 1688] <... openat resumed>) = 3 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1688] write(3, "1000", 4 [pid 1687] close(19 [pid 311] newfstatat(AT_FDCWD, "./273/cgroup.net" [pid 310] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1688] <... write resumed>) = 4 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1688] close(3 [pid 1687] close(20 [pid 311] unlink("./273/cgroup.net" [pid 310] <... umount2 resumed>) = 0 [pid 1688] <... close resumed>) = 0 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1687] close(21 [pid 311] <... unlink resumed>) = 0 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1688] symlink("/dev/binderfs", "./binderfs" [pid 1687] close(22 [pid 311] umount2("./273/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1688] <... symlink resumed>) = 0 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1688] write(1, "executing program\n", 18 [pid 1687] close(23 executing program [pid 311] newfstatat(AT_FDCWD, "./273/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1688] <... write resumed>) = 18 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1687] close(24) = -1 EBADF (Bad file descriptor) [pid 1687] close(25 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./270/config" [pid 1688] mkdirat(AT_FDCWD, "./config", 0777 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./273/cgroup.cpu" [pid 1687] close(26 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1688] <... mkdirat resumed>) = 0 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1688] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1687] close(27 [pid 1688] <... mount resumed>) = 0 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./273/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1687] close(28) = -1 EBADF (Bad file descriptor) [pid 1687] close(29 [pid 1688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1688] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1687] exit_group(0 [pid 311] newfstatat(AT_FDCWD, "./273/cgroup" [pid 310] openat(AT_FDCWD, "./270/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1687] <... exit_group resumed>) = ? [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1688] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1687] +++ exited with 0 +++ [pid 311] unlink("./273/cgroup" [pid 310] <... openat resumed>) = 4 [pid 1688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 1688] <... mkdirat resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1688] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 311] close(3 [pid 1688] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1688] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 1688] <... unlinkat resumed>) = 0 [pid 311] rmdir("./273" [pid 1688] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1688] <... unlinkat resumed>) = 0 [pid 310] close(4 [pid 1688] close(3 [pid 311] mkdir("./274", 0777 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] rmdir("./270/config" [pid 1688] close(4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1688] close(5 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./270/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 312] umount2("./277", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1689 attached [pid 1688] close(6 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1689] set_robust_list(0x55555bb49760, 24 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1689] <... set_robust_list resumed>) = 0 [pid 1688] close(7 [pid 312] <... openat resumed>) = 3 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 276 [pid 310] newfstatat(AT_FDCWD, "./270/binderfs" [pid 1689] rt_sigprocmask(SIG_SETMASK, [] [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1688] close(8 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1689] chdir("./274" [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] unlink("./270/binderfs" [pid 1689] <... chdir resumed>) = 0 [pid 1688] close(9 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1689] <... prctl resumed>) = 0 [pid 1688] close(10 [pid 312] <... umount2 resumed>) = 0 [pid 310] umount2("./270/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1689] setpgid(0, 0 [pid 312] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1689] <... setpgid resumed>) = 0 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1689] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1688] close(11 [pid 312] newfstatat(AT_FDCWD, "./277/config" [pid 1689] <... symlink resumed>) = 0 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./270/cgroup.net" [pid 1689] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1688] close(12 [pid 312] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1689] <... symlink resumed>) = 0 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1689] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1688] close(13 [pid 312] openat(AT_FDCWD, "./277/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1689] <... symlink resumed>) = 0 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 310] unlink("./270/cgroup.net" [pid 1689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1688] close(14 [pid 312] fstat(4 [pid 1689] <... openat resumed>) = 3 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1689] write(3, "1000", 4 [pid 1688] close(15 [pid 312] getdents64(4 [pid 310] umount2("./270/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1689] <... write resumed>) = 4 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1689] close(3 [pid 1688] close(16 [pid 312] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1689] <... close resumed>) = 0 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./270/cgroup.cpu" [pid 1689] symlink("/dev/binderfs", "./binderfs" [pid 312] close(4 [pid 1689] <... symlink resumed>) = 0 [pid 1688] close(17 [pid 312] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1689] write(1, "executing program\n", 18 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./277/config" [pid 310] unlink("./270/cgroup.cpu" [pid 1689] <... write resumed>) = 18 [pid 1688] close(18 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 1689] mkdirat(AT_FDCWD, "./config", 0777 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./277/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1689] <... mkdirat resumed>) = 0 [pid 1688] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1689] mount(NULL, "./config", "configfs", 0, NULL [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./277/binderfs" [pid 310] umount2("./270/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1689] <... mount resumed>) = 0 [pid 1688] close(20 [pid 313] umount2("./282", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./277/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1689] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1688] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./270/cgroup" [pid 1689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./277/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1689] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1688] close(22 [pid 313] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] newfstatat(AT_FDCWD, "./277/cgroup.net" [pid 1689] <... mkdirat resumed>) = 0 [pid 1688] close(23 [pid 313] fstat(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./270/cgroup" [pid 1689] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] unlink("./277/cgroup.net" [pid 1689] <... symlinkat resumed>) = 0 [pid 1688] close(24 [pid 313] getdents64(3 [pid 312] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1689] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] umount2("./277/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1689] <... unlinkat resumed>) = 0 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1689] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1688] close(25 [pid 313] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./277/cgroup.cpu" [pid 1689] <... unlinkat resumed>) = 0 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1689] close(3 [pid 1688] close(26 [pid 313] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./277/cgroup.cpu" [pid 310] close(3 [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 1689] close(4 [pid 312] umount2("./277/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1688] close(27 [pid 313] newfstatat(AT_FDCWD, "./282/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1689] close(5 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./277/cgroup" [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1688] close(28 [pid 313] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./270" [pid 1689] close(6 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./277/cgroup" [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1688] close(29 [pid 313] openat(AT_FDCWD, "./282/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1689] close(7 [pid 1688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] getdents64(3 [pid 310] mkdir("./271", 0777 [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1689] close(8 [pid 312] close(3 [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1688] exit_group(0 [pid 313] fstat(4 [pid 312] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1689] close(9 [pid 1688] <... exit_group resumed>) = ? [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] rmdir("./277" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1689] close(10 [pid 312] mkdir("./278", 0777 [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 1689] close(11 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1689] close(12 [pid 1688] +++ exited with 0 +++ [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1690 attached [pid 1689] close(13 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 280 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1690] set_robust_list(0x55555bb49760, 24 [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1689] close(14 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1689] close(15) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1691 attached [pid 1690] <... set_robust_list resumed>) = 0 [pid 1689] close(16 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1691] set_robust_list(0x55555bb49760, 24 [pid 1690] rt_sigprocmask(SIG_SETMASK, [] [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1691] <... set_robust_list resumed>) = 0 [pid 1690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1689] close(17 [pid 313] close(4 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 273 [pid 1691] rt_sigprocmask(SIG_SETMASK, [] [pid 1690] chdir("./278" [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1690] <... chdir resumed>) = 0 [pid 1689] close(18 [pid 313] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1691] chdir("./271" [pid 1690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1691] <... chdir resumed>) = 0 [pid 1690] <... prctl resumed>) = 0 [pid 1689] close(19 [pid 313] rmdir("./282/config" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1690] setpgid(0, 0 [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1691] <... prctl resumed>) = 0 [pid 1689] close(20 [pid 313] <... rmdir resumed>) = 0 [pid 1691] setpgid(0, 0 [pid 1690] <... setpgid resumed>) = 0 [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1691] <... setpgid resumed>) = 0 [pid 1690] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1689] close(21 [pid 313] umount2("./282/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 1691] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1690] <... symlink resumed>) = 0 [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1691] <... symlink resumed>) = 0 [pid 1690] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1689] close(22 [pid 313] newfstatat(AT_FDCWD, "./282/binderfs" [pid 1691] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1691] <... symlink resumed>) = 0 [pid 1690] <... symlink resumed>) = 0 [pid 1689] close(23 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1691] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1690] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./282/binderfs" [pid 309] umount2("./267", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1691] <... symlink resumed>) = 0 [pid 1689] close(24 [pid 1691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1690] <... symlink resumed>) = 0 [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1691] <... openat resumed>) = 3 [pid 1690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1689] close(25 [pid 1691] write(3, "1000", 4 [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./282/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1691] <... write resumed>) = 4 [pid 1690] <... openat resumed>) = 3 [pid 1689] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1691] close(3 [pid 1690] write(3, "1000", 4 [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 313] newfstatat(AT_FDCWD, "./282/cgroup.net" [pid 1691] <... close resumed>) = 0 [pid 1690] <... write resumed>) = 4 [pid 1689] close(27 [pid 1691] symlink("/dev/binderfs", "./binderfs" [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(3 [pid 1691] <... symlink resumed>) = 0 [pid 1690] close(3 [pid 1689] close(28 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1691] write(1, "executing program\n", 18 [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1691] <... write resumed>) = 18 executing program [pid 1690] <... close resumed>) = 0 [pid 1689] close(29 [pid 313] unlink("./282/cgroup.net" [pid 309] getdents64(3 [pid 1691] mkdirat(AT_FDCWD, "./config", 0777 [pid 1690] symlink("/dev/binderfs", "./binderfs" [pid 1689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1691] <... mkdirat resumed>) = 0 [pid 1690] <... symlink resumed>) = 0 [pid 1689] exit_group(0 [pid 313] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1691] mount(NULL, "./config", "configfs", 0, NULL [pid 1690] write(1, "executing program\n", 18 [pid 1689] <... exit_group resumed>) = ? executing program [pid 313] umount2("./282/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1691] <... mount resumed>) = 0 [pid 1690] <... write resumed>) = 18 [pid 1689] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1690] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] newfstatat(AT_FDCWD, "./282/cgroup.cpu" [pid 1691] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 1691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1690] <... mkdirat resumed>) = 0 [pid 1691] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1690] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] unlink("./282/cgroup.cpu" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1691] <... mkdirat resumed>) = 0 [pid 1690] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1691] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./267/config" [pid 1691] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1690] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./282/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1691] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1691] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1691] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./267/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1691] close(3 [pid 1690] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] newfstatat(AT_FDCWD, "./282/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1691] close(4) = -1 EBADF (Bad file descriptor) [pid 1691] close(5) = -1 EBADF (Bad file descriptor) [pid 1691] close(6 [pid 1690] <... mkdirat resumed>) = 0 [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./267/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1691] close(7 [pid 1690] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] unlink("./282/cgroup" [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1691] close(8) = -1 EBADF (Bad file descriptor) [pid 1690] <... symlinkat resumed>) = 0 [pid 1691] close(9 [pid 1690] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1691] close(10 [pid 1690] <... unlinkat resumed>) = 0 [pid 313] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1690] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 1691] close(11) = -1 EBADF (Bad file descriptor) [pid 1691] close(12 [pid 1690] <... unlinkat resumed>) = 0 [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1690] close(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1691] close(13 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1690] close(4 [pid 1691] close(14 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./282" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1690] close(5 [pid 1691] close(15 [pid 313] <... rmdir resumed>) = 0 [pid 309] close(4 [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./283", 0777 [pid 1691] close(16 [pid 309] <... close resumed>) = 0 [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1690] close(6 [pid 1691] close(17 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 309] rmdir("./267/config" [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1690] close(7 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... restart_syscall resumed>) = 0 [pid 1691] close(18) = -1 EBADF (Bad file descriptor) [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1691] close(19 [pid 1690] close(8 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./267/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1691] close(20 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1691] close(21) = -1 EBADF (Bad file descriptor) [pid 1691] close(22) = -1 EBADF (Bad file descriptor) [pid 1691] close(23) = -1 EBADF (Bad file descriptor) [pid 1691] close(24) = -1 EBADF (Bad file descriptor) [pid 1691] close(25ci2-android-5-15/strace-static-x86_64: Process 1692 attached ) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1691] close(26 [pid 1690] close(9 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 285 [pid 311] umount2("./274", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1692] set_robust_list(0x55555bb49760, 24 [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1692] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./267/binderfs" [pid 1691] close(27 [pid 1690] close(10 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1692] rt_sigprocmask(SIG_SETMASK, [] [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1691] close(28 [pid 1690] close(11 [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1691] close(29 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 309] unlink("./267/binderfs" [pid 1692] chdir("./283" [pid 1691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1690] close(12 [pid 311] fstat(3 [pid 1692] <... chdir resumed>) = 0 [pid 1691] exit_group(0 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1691] <... exit_group resumed>) = ? [pid 1692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1691] +++ exited with 0 +++ [pid 1690] close(13 [pid 311] getdents64(3 [pid 309] umount2("./267/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1690] close(14 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1692] <... prctl resumed>) = 0 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./267/cgroup.net" [pid 1692] setpgid(0, 0 [pid 1690] close(15 [pid 311] <... umount2 resumed>) = 0 [pid 1692] <... setpgid resumed>) = 0 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1692] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1690] close(16 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./267/cgroup.net" [pid 1692] <... symlink resumed>) = 0 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./274/config" [pid 1690] close(17 [pid 309] <... unlink resumed>) = 0 [pid 1692] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./267/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1692] <... symlink resumed>) = 0 [pid 1690] close(18 [pid 311] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1692] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1692] <... symlink resumed>) = 0 [pid 1690] close(19 [pid 311] openat(AT_FDCWD, "./274/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./267/cgroup.cpu" [pid 1692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1692] <... openat resumed>) = 3 [pid 1690] close(20 [pid 1692] write(3, "1000", 4 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 309] unlink("./267/cgroup.cpu" [pid 1692] <... write resumed>) = 4 [pid 1690] close(21 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1692] close(3 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 1692] <... close resumed>) = 0 [pid 1690] close(22 [pid 1692] symlink("/dev/binderfs", "./binderfs" [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./267/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1692] <... symlink resumed>) = 0 [pid 1690] close(23 [pid 311] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1692] write(1, "executing program\n", 18 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 executing program [pid 309] newfstatat(AT_FDCWD, "./267/cgroup" [pid 1692] <... write resumed>) = 18 [pid 1690] close(24 [pid 311] close(4 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1692] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... close resumed>) = 0 [pid 1690] close(25 [pid 309] unlink("./267/cgroup" [pid 1692] <... mkdirat resumed>) = 0 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./274/config" [pid 1690] close(26 [pid 309] <... unlink resumed>) = 0 [pid 1692] mount(NULL, "./config", "configfs", 0, NULL [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 1692] <... mount resumed>) = 0 [pid 1690] close(27 [pid 1692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./274/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1692] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1690] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 1692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./274/binderfs" [pid 1692] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1690] close(29 [pid 309] <... close resumed>) = 0 [pid 1692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./267" [pid 1692] <... mkdirat resumed>) = 0 [pid 1690] exit_group(0 [pid 311] unlink("./274/binderfs" [pid 1690] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1690] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./274/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./268", 0777 [pid 1692] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 1692] <... symlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./274/cgroup.net" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1692] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1692] <... unlinkat resumed>) = 0 [pid 311] unlink("./274/cgroup.net" [pid 1692] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1693 attached [pid 311] umount2("./274/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1693] set_robust_list(0x55555bb49760, 24 [pid 1692] <... unlinkat resumed>) = 0 [pid 1693] <... set_robust_list resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 270 [pid 1693] rt_sigprocmask(SIG_SETMASK, [] [pid 1692] close(3 [pid 311] newfstatat(AT_FDCWD, "./274/cgroup.cpu" [pid 1693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1693] chdir("./268" [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1693] <... chdir resumed>) = 0 [pid 1692] close(4 [pid 311] unlink("./274/cgroup.cpu" [pid 1693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1693] <... prctl resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1692] close(5 [pid 311] <... unlink resumed>) = 0 [pid 1693] setpgid(0, 0 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./274/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1693] <... setpgid resumed>) = 0 [pid 1692] close(6 [pid 1693] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 312] umount2("./278", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1693] <... symlink resumed>) = 0 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./274/cgroup" [pid 1693] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 312] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1693] <... symlink resumed>) = 0 [pid 1692] close(7 [pid 312] <... openat resumed>) = 3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1693] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1693] <... symlink resumed>) = 0 [pid 1692] close(8 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] unlink("./274/cgroup" [pid 1693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1693] <... openat resumed>) = 3 [pid 1692] close(9 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... unlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1693] write(3, "1000", 4 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 1693] <... write resumed>) = 4 [pid 1692] close(10 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1693] close(3 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1693] <... close resumed>) = 0 [pid 1692] close(11 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 1693] symlink("/dev/binderfs", "./binderfs" [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./278/config" [pid 310] umount2("./271", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1693] <... symlink resumed>) = 0 [pid 1692] close(12 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 1693] write(1, "executing program\n", 18 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./274" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1693] <... write resumed>) = 18 executing program [pid 1692] close(13 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1693] mkdirat(AT_FDCWD, "./config", 0777 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./278/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... rmdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1693] <... mkdirat resumed>) = 0 [pid 1692] close(14 [pid 312] <... openat resumed>) = 4 [pid 311] mkdir("./275", 0777 [pid 1693] mount(NULL, "./config", "configfs", 0, NULL [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 310] <... openat resumed>) = 3 [pid 1693] <... mount resumed>) = 0 [pid 1692] close(15 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] fstat(3 [pid 1693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1693] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1692] close(16 [pid 312] getdents64(4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(3 [pid 1693] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1692] close(17 [pid 312] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1693] <... mkdirat resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 1693] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] rmdir("./278/config"ci2-android-5-15/strace-static-x86_64: Process 1694 attached [pid 1693] <... symlinkat resumed>) = 0 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 310] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1694] set_robust_list(0x55555bb49760, 24 [pid 1693] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1692] close(18 [pid 312] umount2("./278/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 277 [pid 1694] <... set_robust_list resumed>) = 0 [pid 1693] <... unlinkat resumed>) = 0 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 1694] rt_sigprocmask(SIG_SETMASK, [] [pid 1693] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1692] close(19 [pid 312] newfstatat(AT_FDCWD, "./278/binderfs" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1694] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1693] <... unlinkat resumed>) = 0 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1694] chdir("./275" [pid 1693] close(3 [pid 1692] close(20 [pid 312] unlink("./278/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1694] <... chdir resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./271/config" [pid 1694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1693] close(4 [pid 1692] close(21 [pid 312] umount2("./278/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1694] <... prctl resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1694] setpgid(0, 0 [pid 1693] close(5 [pid 1692] close(22 [pid 312] newfstatat(AT_FDCWD, "./278/cgroup.net" [pid 1694] <... setpgid resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1694] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1693] close(6 [pid 1692] close(23 [pid 312] unlink("./278/cgroup.net" [pid 1694] <... symlink resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1694] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1693] close(7 [pid 312] umount2("./278/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1694] <... symlink resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1692] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./271/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1694] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1693] close(8 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./278/cgroup.cpu" [pid 1694] <... symlink resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1692] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 1694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1693] close(9 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./278/cgroup.cpu" [pid 310] fstat(4 [pid 1694] <... openat resumed>) = 3 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1692] close(26 [pid 312] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1694] write(3, "1000", 4 [pid 1693] close(10 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./278/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1694] <... write resumed>) = 4 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1692] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1694] close(3 [pid 1693] close(11 [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./278/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1694] <... close resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1694] symlink("/dev/binderfs", "./binderfs" [pid 1693] close(12 [pid 1692] close(28 [pid 312] unlink("./278/cgroup" [pid 310] getdents64(4 [pid 1694] <... symlink resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1694] write(1, "executing program\n", 18 executing program [pid 1693] close(13 [pid 1692] close(29 [pid 312] getdents64(3 [pid 1694] <... write resumed>) = 18 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 1694] mkdirat(AT_FDCWD, "./config", 0777 [pid 1693] close(14 [pid 1692] exit_group(0 [pid 312] close(3 [pid 1694] <... mkdirat resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1692] <... exit_group resumed>) = ? [pid 312] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1694] mount(NULL, "./config", "configfs", 0, NULL [pid 1693] close(15 [pid 312] rmdir("./278" [pid 1694] <... mount resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1693] close(16 [pid 312] mkdir("./279", 0777 [pid 1694] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1692] +++ exited with 0 +++ [pid 312] <... mkdir resumed>) = 0 [pid 310] rmdir("./271/config" [pid 1694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1693] close(17 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1694] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1693] close(18 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./271/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1695 attached [pid 1694] <... mkdirat resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1695] set_robust_list(0x55555bb49760, 24 [pid 1694] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1693] close(19 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 281 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1695] <... set_robust_list resumed>) = 0 [pid 1694] <... symlinkat resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./271/binderfs" [pid 1694] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1693] close(20 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1695] rt_sigprocmask(SIG_SETMASK, [] [pid 1694] <... unlinkat resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1695] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1694] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1693] close(21 [pid 310] unlink("./271/binderfs" [pid 1695] chdir("./279" [pid 1694] <... unlinkat resumed>) = 0 [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] <... chdir resumed>) = 0 [pid 1694] close(3 [pid 1693] close(22 [pid 310] <... unlink resumed>) = 0 [pid 1695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./271/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1694] close(4 [pid 1693] close(23 [pid 1695] <... prctl resumed>) = 0 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1695] setpgid(0, 0 [pid 1694] close(5 [pid 1693] close(24 [pid 310] newfstatat(AT_FDCWD, "./271/cgroup.net" [pid 1695] <... setpgid resumed>) = 0 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1694] close(6 [pid 1693] close(25 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1695] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./271/cgroup.net" [pid 1695] <... symlink resumed>) = 0 [pid 1694] close(7 [pid 1693] close(26 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1694] close(8 [pid 1693] close(27 [pid 310] <... unlink resumed>) = 0 [pid 1695] <... symlink resumed>) = 0 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./271/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1695] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1694] close(9 [pid 1693] close(28 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1694] close(10 [pid 1693] close(29 [pid 1695] <... symlink resumed>) = 0 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./271/cgroup.cpu" [pid 1695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1694] close(11 [pid 1693] exit_group(0 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1693] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1695] <... openat resumed>) = 3 [pid 1694] close(12 [pid 1693] +++ exited with 0 +++ [pid 310] unlink("./271/cgroup.cpu" [pid 1695] write(3, "1000", 4 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] <... write resumed>) = 4 [pid 1694] close(13 [pid 310] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1695] close(3 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./271/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1695] <... close resumed>) = 0 [pid 1694] close(14 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1695] symlink("/dev/binderfs", "./binderfs" [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./271/cgroup" [pid 1694] close(15 [pid 1695] <... symlink resumed>) = 0 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] write(1, "executing program\n", 18 [pid 1694] close(16 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1695] <... write resumed>) = 18 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1694] close(17 [pid 310] unlink("./271/cgroup" [pid 1695] mkdirat(AT_FDCWD, "./config", 0777 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1694] close(18 [pid 310] <... unlink resumed>) = 0 [pid 1695] <... mkdirat resumed>) = 0 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1695] mount(NULL, "./config", "configfs", 0, NULL [pid 1694] close(19) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1695] <... mount resumed>) = 0 [pid 1694] close(20 [pid 310] close(3 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1694] close(21 [pid 310] <... close resumed>) = 0 [pid 1695] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./271" [pid 1695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1694] close(22 [pid 1695] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1694] close(23 [pid 1695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./272", 0777 [pid 1694] close(24) = -1 EBADF (Bad file descriptor) [pid 1695] <... mkdirat resumed>) = 0 [pid 1694] close(25) = -1 EBADF (Bad file descriptor) [pid 1695] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1694] close(26 [pid 310] <... mkdir resumed>) = 0 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] <... symlinkat resumed>) = 0 [pid 1694] close(27 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1695] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1695] <... unlinkat resumed>) = 0 [pid 1694] close(28) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1695] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1694] close(29) = -1 EBADF (Bad file descriptor) [pid 1694] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1696 attached [pid 1695] <... unlinkat resumed>) = 0 [pid 1694] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 1696] set_robust_list(0x55555bb49760, 24 [pid 1695] close(3 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 274 [pid 1696] <... set_robust_list resumed>) = 0 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1696] rt_sigprocmask(SIG_SETMASK, [] [pid 1695] close(4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1696] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./268", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] chdir("./272") = 0 [pid 1695] close(5 [pid 1696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1696] <... prctl resumed>) = 0 [pid 1695] close(6 [pid 1696] setpgid(0, 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1696] <... setpgid resumed>) = 0 [pid 1696] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1695] close(7 [pid 1696] <... symlink resumed>) = 0 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 1696] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1695] close(8 [pid 313] umount2("./283", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 1696] <... symlink resumed>) = 0 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1696] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1695] close(9 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1696] <... symlink resumed>) = 0 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1695] close(10 [pid 309] getdents64(3 [pid 1696] <... openat resumed>) = 3 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1696] write(3, "1000", 4 [pid 1695] close(11 [pid 313] fstat(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1696] <... write resumed>) = 4 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] close(3 [pid 1695] close(12 [pid 313] getdents64(3 [pid 1696] <... close resumed>) = 0 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 1696] symlink("/dev/binderfs", "./binderfs" [pid 1695] close(13 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] <... symlink resumed>) = 0 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1696] write(1, "executing program\n", 18 [pid 313] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] <... write resumed>) = 18 executing program [pid 1695] close(14 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1696] mkdirat(AT_FDCWD, "./config", 0777 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./268/config" [pid 1696] <... mkdirat resumed>) = 0 [pid 1695] close(15 [pid 313] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] mount(NULL, "./config", "configfs", 0, NULL [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1696] <... mount resumed>) = 0 [pid 1695] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./268/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./283/config" [pid 1696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1695] close(17 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./268/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1696] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1695] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 1696] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./283/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1696] <... unlinkat resumed>) = 0 [pid 1696] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1695] close(19 [pid 1696] <... unlinkat resumed>) = 0 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 1696] close(3) = -1 EBADF (Bad file descriptor) [pid 1695] close(20 [pid 313] fstat(4 [pid 1696] close(4 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] close(21 [pid 313] getdents64(4 [pid 309] getdents64(4 [pid 1696] close(5) = -1 EBADF (Bad file descriptor) [pid 1696] close(6 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] close(22 [pid 313] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1696] close(7 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] close(23 [pid 313] close(4 [pid 309] close(4 [pid 1696] close(8) = -1 EBADF (Bad file descriptor) [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1696] close(9 [pid 313] <... close resumed>) = 0 [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] close(24 [pid 313] rmdir("./283/config" [pid 309] <... close resumed>) = 0 [pid 1696] close(10 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] close(25 [pid 313] <... rmdir resumed>) = 0 [pid 311] umount2("./275", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./268/config" [pid 1696] close(11 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./283/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] close(26 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1696] close(12 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./268/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] close(27 [pid 313] newfstatat(AT_FDCWD, "./283/binderfs" [pid 311] <... openat resumed>) = 3 [pid 1696] close(13 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] close(28 [pid 313] unlink("./283/binderfs" [pid 311] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./268/binderfs" [pid 1696] close(14 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] close(29 [pid 313] umount2("./283/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1696] close(15 [pid 1695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 309] unlink("./268/binderfs" [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1695] exit_group(0 [pid 313] newfstatat(AT_FDCWD, "./283/cgroup.net" [pid 1696] close(16 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1695] <... exit_group resumed>) = ? [pid 309] <... unlink resumed>) = 0 [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] close(17) = -1 EBADF (Bad file descriptor) [pid 1696] close(18) = -1 EBADF (Bad file descriptor) [pid 1696] close(19) = -1 EBADF (Bad file descriptor) [pid 1696] close(20) = -1 EBADF (Bad file descriptor) [pid 1696] close(21) = -1 EBADF (Bad file descriptor) [pid 1696] close(22) = -1 EBADF (Bad file descriptor) [pid 1696] close(23 [pid 1695] +++ exited with 0 +++ [pid 313] unlink("./283/cgroup.net" [pid 309] umount2("./268/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... umount2 resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1696] close(24 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./283/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1696] close(25 [pid 313] newfstatat(AT_FDCWD, "./283/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./268/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./275/config" [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1696] close(26 [pid 313] unlink("./283/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./268/cgroup.net" [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] close(27 [pid 313] umount2("./283/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./268/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] close(28 [pid 313] newfstatat(AT_FDCWD, "./283/cgroup" [pid 311] openat(AT_FDCWD, "./275/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1696] close(29 [pid 313] unlink("./283/cgroup" [pid 311] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./268/cgroup.cpu" [pid 1696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] fstat(4 [pid 1696] exit_group(0 [pid 313] getdents64(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1696] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] getdents64(4 [pid 309] unlink("./268/cgroup.cpu" [pid 1696] +++ exited with 0 +++ [pid 313] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... unlink resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 311] getdents64(4 [pid 313] rmdir("./283" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./268/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rmdir resumed>) = 0 [pid 311] close(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] mkdir("./284", 0777 [pid 311] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./268/cgroup" [pid 313] <... mkdir resumed>) = 0 [pid 311] rmdir("./275/config" [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./268/cgroup" [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./275/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1697 attached [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1697] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 286 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./275/binderfs" [pid 1697] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1697] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 1697] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./279", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./275/binderfs" [pid 1697] chdir("./284" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1697] <... chdir resumed>) = 0 [pid 312] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... unlink resumed>) = 0 [pid 309] rmdir("./268" [pid 1697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... openat resumed>) = 3 [pid 1697] <... prctl resumed>) = 0 [pid 312] fstat(3 [pid 311] umount2("./275/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1697] setpgid(0, 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1697] <... setpgid resumed>) = 0 [pid 312] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1697] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] newfstatat(AT_FDCWD, "./275/cgroup.net" [pid 309] mkdir("./269", 0777 [pid 1697] <... symlink resumed>) = 0 [pid 312] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1697] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] <... umount2 resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 311] unlink("./275/cgroup.net" [pid 1697] <... symlink resumed>) = 0 [pid 312] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1697] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1697] <... symlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./279/config" [pid 311] umount2("./275/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1697] <... openat resumed>) = 3 [pid 312] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1697] write(3, "1000", 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./275/cgroup.cpu" [pid 1697] <... write resumed>) = 4 [pid 312] openat(AT_FDCWD, "./279/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1697] close(3 [pid 312] <... openat resumed>) = 4 [pid 1697] <... close resumed>) = 0 [pid 312] fstat(4 [pid 1697] symlink("/dev/binderfs", "./binderfs" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1698 attached [pid 1697] <... symlink resumed>) = 0 [pid 312] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1698] set_robust_list(0x55555bb49760, 24 [pid 1697] write(1, "executing program\n", 18 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] unlink("./275/cgroup.cpu" [pid 1698] <... set_robust_list resumed>) = 0 [pid 312] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 271 [pid 1698] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] close(4 [pid 1698] chdir("./269" [pid 312] <... close resumed>) = 0 [pid 1698] <... chdir resumed>) = 0 [pid 1697] <... write resumed>) = 18 executing program [pid 312] rmdir("./279/config" [pid 1698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1697] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1698] <... prctl resumed>) = 0 [pid 1697] <... mkdirat resumed>) = 0 [pid 312] umount2("./279/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./275/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1698] setpgid(0, 0 [pid 1697] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1698] <... setpgid resumed>) = 0 [pid 1697] <... mount resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./279/binderfs" [pid 1698] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./275/cgroup" [pid 1698] <... symlink resumed>) = 0 [pid 1697] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] unlink("./279/binderfs" [pid 1698] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1698] <... symlink resumed>) = 0 [pid 312] umount2("./279/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1698] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1697] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./275/cgroup" [pid 1698] <... symlink resumed>) = 0 [pid 1697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] newfstatat(AT_FDCWD, "./279/cgroup.net" [pid 1698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1698] <... openat resumed>) = 3 [pid 1697] <... mkdirat resumed>) = 0 [pid 312] unlink("./279/cgroup.net" [pid 311] getdents64(3 [pid 1698] write(3, "1000", 4 [pid 1697] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... unlink resumed>) = 0 [pid 1698] <... write resumed>) = 4 [pid 312] umount2("./279/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1698] close(3 [pid 1697] <... symlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 1698] <... close resumed>) = 0 [pid 1697] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] newfstatat(AT_FDCWD, "./279/cgroup.cpu" [pid 1698] symlink("/dev/binderfs", "./binderfs" [pid 1697] <... unlinkat resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 1698] <... symlink resumed>) = 0 [pid 1697] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] unlink("./279/cgroup.cpu" [pid 311] rmdir("./275" [pid 1698] write(1, "executing program\n", 18 [pid 312] <... unlink resumed>) = 0 [pid 1698] <... write resumed>) = 18 [pid 1697] <... unlinkat resumed>) = 0 executing program [pid 312] umount2("./279/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./272", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1698] mkdirat(AT_FDCWD, "./config", 0777 [pid 1697] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdir("./276", 0777 [pid 1698] <... mkdirat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./279/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1698] mount(NULL, "./config", "configfs", 0, NULL [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1698] <... mount resumed>) = 0 [pid 1697] close(4 [pid 312] unlink("./279/cgroup" [pid 1698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... unlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1698] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 1698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1697] close(5 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1698] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(3 [pid 1698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1697] close(6 [pid 312] <... close resumed>) = 0 [pid 1698] <... mkdirat resumed>) = 0 [pid 312] rmdir("./279" [pid 1698] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1699 attached [pid 1698] <... symlinkat resumed>) = 0 [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./280", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1699] set_robust_list(0x55555bb49760, 24 [pid 1698] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1697] close(7 [pid 312] <... mkdir resumed>) = 0 [pid 1699] <... set_robust_list resumed>) = 0 [pid 1698] <... unlinkat resumed>) = 0 [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 278 [pid 310] getdents64(3 [pid 1699] rt_sigprocmask(SIG_SETMASK, [] [pid 1698] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1697] close(8 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1698] <... unlinkat resumed>) = 0 [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 ci2-android-5-15/strace-static-x86_64: Process 1700 attached [pid 1699] chdir("./276" [pid 1698] close(3 [pid 1697] close(9 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1700] set_robust_list(0x55555bb49760, 24 [pid 1699] <... chdir resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 282 [pid 1700] <... set_robust_list resumed>) = 0 [pid 1699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1698] close(4 [pid 1697] close(10 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 1700] rt_sigprocmask(SIG_SETMASK, [] [pid 1699] <... prctl resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1699] setpgid(0, 0 [pid 1698] close(5 [pid 1697] close(11 [pid 310] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1700] chdir("./280" [pid 1699] <... setpgid resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1700] <... chdir resumed>) = 0 [pid 1699] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1698] close(6 [pid 1697] close(12 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1699] <... symlink resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./272/config" [pid 1700] <... prctl resumed>) = 0 [pid 1699] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1698] close(7 [pid 1697] close(13 [pid 1700] setpgid(0, 0 [pid 1699] <... symlink resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1700] <... setpgid resumed>) = 0 [pid 1699] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1698] close(8 [pid 1697] close(14 [pid 310] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1700] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1699] <... symlink resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1700] <... symlink resumed>) = 0 [pid 1699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1698] close(9 [pid 1697] close(15 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1700] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1699] <... openat resumed>) = 3 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] write(3, "1000", 4 [pid 1698] close(10 [pid 310] openat(AT_FDCWD, "./272/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1700] <... symlink resumed>) = 0 [pid 1699] <... write resumed>) = 4 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] close(16 [pid 1700] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1699] close(3 [pid 1698] close(11 [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1700] <... symlink resumed>) = 0 [pid 1699] <... close resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] close(17 [pid 310] fstat(4 [pid 1700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1699] symlink("/dev/binderfs", "./binderfs" [pid 1698] close(12 [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1700] <... openat resumed>) = 3 [pid 1699] <... symlink resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] close(18 [pid 310] getdents64(4 [pid 1700] write(3, "1000", 4 [pid 1699] write(1, "executing program\n", 18 [pid 1698] close(13 [pid 1700] <... write resumed>) = 4 [pid 1699] <... write resumed>) = 18 executing program [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1700] close(3 [pid 1699] mkdirat(AT_FDCWD, "./config", 0777 [pid 1698] close(14 [pid 1697] close(19 [pid 1700] <... close resumed>) = 0 [pid 1699] <... mkdirat resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1700] symlink("/dev/binderfs", "./binderfs" [pid 1699] mount(NULL, "./config", "configfs", 0, NULL [pid 1698] close(15 [pid 1697] close(20 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1700] <... symlink resumed>) = 0 [pid 1699] <... mount resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 1700] write(1, "executing program\n", 18 [pid 1699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1698] close(16 executing program [pid 1697] close(21 [pid 1700] <... write resumed>) = 18 [pid 1699] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1700] mkdirat(AT_FDCWD, "./config", 0777 [pid 1699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1698] close(17 [pid 1697] close(22 [pid 310] rmdir("./272/config" [pid 1700] <... mkdirat resumed>) = 0 [pid 1699] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1700] mount(NULL, "./config", "configfs", 0, NULL [pid 1699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1698] close(18 [pid 1697] close(23 [pid 310] <... rmdir resumed>) = 0 [pid 1700] <... mount resumed>) = 0 [pid 1699] <... mkdirat resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1699] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1698] close(19 [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./272/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1700] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1699] <... symlinkat resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] close(24 [pid 1700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1699] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1698] close(20 [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1700] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1699] <... unlinkat resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] close(25 [pid 310] newfstatat(AT_FDCWD, "./272/binderfs" [pid 1700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1699] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1698] close(21 [pid 1700] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1699] <... unlinkat resumed>) = 0 [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1700] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1699] close(3 [pid 1698] close(22 [pid 1697] close(26 [pid 310] unlink("./272/binderfs" [pid 1700] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] close(4 [pid 1698] close(23 [pid 1697] close(27 [pid 310] <... unlink resumed>) = 0 [pid 1700] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./272/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1700] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1699] close(5 [pid 1698] close(24 [pid 1697] close(28 [pid 1700] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1700] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1699] close(6 [pid 1698] close(25 [pid 1697] close(29 [pid 310] newfstatat(AT_FDCWD, "./272/cgroup.net" [pid 1700] close(3 [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] close(7 [pid 1698] close(26 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1700] close(4 [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1697] exit_group(0 [pid 310] unlink("./272/cgroup.net" [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] close(8 [pid 1698] close(27 [pid 1697] <... exit_group resumed>) = ? [pid 1700] close(5 [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1699] close(9 [pid 1698] close(28 [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] close(10 [pid 1698] close(29 [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] close(11 [pid 1698] exit_group(0 [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1698] <... exit_group resumed>) = ? [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] close(12 [pid 1698] +++ exited with 0 +++ [pid 1697] +++ exited with 0 +++ [pid 310] umount2("./272/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1700] close(6 [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] close(13 [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1700] close(7 [pid 1699] close(14 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] newfstatat(AT_FDCWD, "./272/cgroup.cpu" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1700] close(8 [pid 1699] close(15 [pid 310] unlink("./272/cgroup.cpu" [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1700] close(9 [pid 1699] close(16 [pid 310] <... unlink resumed>) = 0 [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1700] close(10 [pid 1699] close(17 [pid 310] umount2("./272/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1700] close(11 [pid 1699] close(18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./272/cgroup" [pid 1700] close(12 [pid 1699] close(19) = -1 EBADF (Bad file descriptor) [pid 1699] close(20 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1700] close(13 [pid 1699] close(21 [pid 310] unlink("./272/cgroup" [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] close(22) = -1 EBADF (Bad file descriptor) [pid 1699] close(23 [pid 1700] close(14 [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] close(24 [pid 310] getdents64(3 [pid 1700] close(15 [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] close(25) = -1 EBADF (Bad file descriptor) [pid 1700] close(16 [pid 1699] close(26 [pid 310] close(3 [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1700] close(17 [pid 1699] close(27 [pid 310] <... close resumed>) = 0 [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... restart_syscall resumed>) = 0 [pid 1700] close(18 [pid 1699] close(28 [pid 310] rmdir("./272" [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1700] close(19 [pid 1699] close(29 [pid 310] mkdir("./273", 0777 [pid 309] umount2("./269", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... mkdir resumed>) = 0 [pid 1700] close(20 [pid 1699] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1699] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 1700] close(21 [pid 1699] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(3 [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 1701 attached [pid 1700] close(22 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = 0 [pid 1701] set_robust_list(0x55555bb49760, 24 [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 275 [pid 309] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1701] <... set_robust_list resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1701] rt_sigprocmask(SIG_SETMASK, [] [pid 1700] close(23 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./269/config" [pid 1701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1701] chdir("./273" [pid 1700] close(24 [pid 309] umount2("./269/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1701] <... chdir resumed>) = 0 [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1700] close(25 [pid 309] openat(AT_FDCWD, "./269/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1701] <... prctl resumed>) = 0 [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1701] setpgid(0, 0 [pid 309] fstat(4 [pid 1701] <... setpgid resumed>) = 0 [pid 1700] close(26 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1701] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1701] <... symlink resumed>) = 0 [pid 1700] close(27 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1701] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1701] <... symlink resumed>) = 0 [pid 1700] close(28 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1701] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(4 [pid 1701] <... symlink resumed>) = 0 [pid 1700] close(29 [pid 309] <... close resumed>) = 0 [pid 1701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./269/config" [pid 1701] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 1701] write(3, "1000", 4 [pid 1700] exit_group(0 [pid 309] umount2("./269/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1701] <... write resumed>) = 4 [pid 1700] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1701] close(3 [pid 309] newfstatat(AT_FDCWD, "./269/binderfs" [pid 1701] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1701] symlink("/dev/binderfs", "./binderfs" [pid 309] unlink("./269/binderfs" [pid 1701] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1701] write(1, "executing program\n", 18 [pid 309] umount2("./269/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1701] <... write resumed>) = 18 [pid 1700] +++ exited with 0 +++ [pid 313] <... restart_syscall resumed>) = 0 executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1701] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./269/cgroup.net" [pid 1701] <... mkdirat resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1701] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./284", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./269/cgroup.net" [pid 1701] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./269/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1701] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./269/cgroup.cpu" [pid 1701] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] fstat(3 [pid 309] unlink("./269/cgroup.cpu" [pid 1701] <... mkdirat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] umount2("./280", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1701] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] getdents64(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./276", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./269/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1701] <... symlinkat resumed>) = 0 [pid 312] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1701] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./269/cgroup" [pid 1701] <... unlinkat resumed>) = 0 [pid 313] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(3 [pid 311] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1701] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... openat resumed>) = 3 [pid 309] unlink("./269/cgroup" [pid 1701] <... unlinkat resumed>) = 0 [pid 313] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 311] fstat(3 [pid 309] <... unlink resumed>) = 0 [pid 1701] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] getdents64(3 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./284/config" [pid 312] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1701] close(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 311] getdents64(3 [pid 309] close(3 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1701] close(5 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] rmdir("./269" [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./284/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./280/config" [pid 311] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1701] close(6 [pid 313] <... openat resumed>) = 4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./270", 0777 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1701] close(7 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] openat(AT_FDCWD, "./280/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1701] close(8 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... openat resumed>) = 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] fstat(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1702 attached [pid 1701] close(9 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./276/config" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 272 [pid 1702] set_robust_list(0x55555bb49760, 24 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1702] <... set_robust_list resumed>) = 0 [pid 1701] close(10 [pid 313] <... close resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1702] rt_sigprocmask(SIG_SETMASK, [] [pid 1701] close(11 [pid 313] rmdir("./284/config" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1702] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1701] close(12 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 311] openat(AT_FDCWD, "./276/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1702] chdir("./270" [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./284/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./280/config" [pid 1702] <... chdir resumed>) = 0 [pid 1701] close(13 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 1702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./284/binderfs" [pid 312] umount2("./280/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 1702] <... prctl resumed>) = 0 [pid 1701] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1702] setpgid(0, 0 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./284/binderfs" [pid 312] newfstatat(AT_FDCWD, "./280/binderfs" [pid 311] getdents64(4 [pid 1702] <... setpgid resumed>) = 0 [pid 1701] close(15 [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1702] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./284/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./280/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1702] <... symlink resumed>) = 0 [pid 1701] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 1702] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./284/cgroup.net" [pid 312] umount2("./280/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1701] close(17 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1702] <... symlink resumed>) = 0 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./280/cgroup.net" [pid 311] close(4 [pid 1702] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1701] close(18 [pid 313] unlink("./284/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1702] <... symlink resumed>) = 0 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./280/cgroup.net" [pid 311] <... close resumed>) = 0 [pid 1701] close(19 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./284/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./280/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./276/config" [pid 1702] <... openat resumed>) = 3 [pid 1701] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./280/cgroup.cpu" [pid 311] <... rmdir resumed>) = 0 [pid 1702] write(3, "1000", 4 [pid 1701] close(21 [pid 313] newfstatat(AT_FDCWD, "./284/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./276/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1702] <... write resumed>) = 4 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./280/cgroup.cpu" [pid 1702] close(3 [pid 1701] close(22 [pid 313] unlink("./284/cgroup.cpu" [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./280/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1702] <... close resumed>) = 0 [pid 1701] close(23 [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./276/binderfs" [pid 1702] symlink("/dev/binderfs", "./binderfs" [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./284/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./280/cgroup" [pid 1702] <... symlink resumed>) = 0 [pid 1701] close(24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1702] write(1, "executing program\n", 18 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./280/cgroup" [pid 311] unlink("./276/binderfs" [pid 1702] <... write resumed>) = 18 [pid 1701] close(25 [pid 313] newfstatat(AT_FDCWD, "./284/cgroup" [pid 312] <... unlink resumed>) = 0 [pid 1702] mkdirat(AT_FDCWD, "./config", 0777 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 1702] <... mkdirat resumed>) = 0 [pid 1701] close(26 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] umount2("./276/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1702] mount(NULL, "./config", "configfs", 0, NULL [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./284/cgroup" [pid 312] close(3 [pid 1702] <... mount resumed>) = 0 [pid 1701] close(27 [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] rmdir("./280" [pid 311] newfstatat(AT_FDCWD, "./276/cgroup.net" [pid 1702] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1701] close(28 [pid 313] getdents64(3 [pid 312] <... rmdir resumed>) = 0 [pid 1702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./281", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1702] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1701] close(29 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] unlink("./276/cgroup.net" [pid 1702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1701] exit_group(0 [pid 313] close(3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1702] <... mkdirat resumed>) = 0 [pid 1701] <... exit_group resumed>) = ? [pid 313] <... close resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./276/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1703 attached [pid 1702] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1701] +++ exited with 0 +++ [pid 313] rmdir("./284" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1703] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 283 [pid 1702] <... symlinkat resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rmdir resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./276/cgroup.cpu" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1703] <... set_robust_list resumed>) = 0 [pid 1702] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] mkdir("./285", 0777 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1703] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... mkdir resumed>) = 0 [pid 311] unlink("./276/cgroup.cpu" [pid 1702] <... unlinkat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1703] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1702] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1703] chdir("./281" [pid 311] umount2("./276/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1704 attached ) = -1 EINVAL (Invalid argument) [pid 1704] set_robust_list(0x55555bb49760, 24) = 0 [pid 1703] <... chdir resumed>) = 0 [pid 1702] <... unlinkat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./276/cgroup" [pid 1704] rt_sigprocmask(SIG_SETMASK, [] [pid 1703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1702] close(3 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 287 [pid 1704] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1703] <... prctl resumed>) = 0 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1704] chdir("./285" [pid 1703] setpgid(0, 0 [pid 1702] close(4 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] unlink("./276/cgroup" [pid 310] <... restart_syscall resumed>) = 0 [pid 1704] <... chdir resumed>) = 0 [pid 1703] <... setpgid resumed>) = 0 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1703] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1702] close(5 [pid 311] getdents64(3 [pid 1704] <... prctl resumed>) = 0 [pid 1704] setpgid(0, 0 [pid 1703] <... symlink resumed>) = 0 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1704] <... setpgid resumed>) = 0 [pid 1703] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1702] close(6 [pid 311] close(3 [pid 310] umount2("./273", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1704] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 1703] <... symlink resumed>) = 0 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1704] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1703] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1702] close(7 [pid 311] rmdir("./276" [pid 1704] <... symlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1704] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1703] <... symlink resumed>) = 0 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... symlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1702] close(8 [pid 311] mkdir("./277", 0777 [pid 310] fstat(3 [pid 1704] <... openat resumed>) = 3 [pid 1703] <... openat resumed>) = 3 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] write(3, "1000", 4 [pid 1703] write(3, "1000", 4 [pid 1702] close(9 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1704] <... write resumed>) = 4 [pid 1703] <... write resumed>) = 4 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1704] close(3 [pid 1703] close(3 [pid 1702] close(10 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(3 [pid 1704] <... close resumed>) = 0 [pid 1703] <... close resumed>) = 0 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1704] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1703] symlink("/dev/binderfs", "./binderfs" [pid 1702] close(11 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1704] write(1, "executing program\n", 18) = 18 [pid 1704] mkdirat(AT_FDCWD, "./config", 0777ci2-android-5-15/strace-static-x86_64: Process 1705 attached ) = 0 executing program [pid 1703] <... symlink resumed>) = 0 [pid 1705] set_robust_list(0x55555bb49760, 24 [pid 1704] mount(NULL, "./config", "configfs", 0, NULL [pid 1703] write(1, "executing program\n", 18 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 279 [pid 310] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1705] <... set_robust_list resumed>) = 0 [pid 1704] <... mount resumed>) = 0 [pid 1705] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 1704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1703] <... write resumed>) = 18 [pid 1702] close(12 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 1705] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1704] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1703] mkdirat(AT_FDCWD, "./config", 0777 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1705] chdir("./277" [pid 1704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1703] <... mkdirat resumed>) = 0 [pid 1705] <... chdir resumed>) = 0 [pid 1704] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1703] mount(NULL, "./config", "configfs", 0, NULL [pid 1702] close(13 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1705] <... prctl resumed>) = 0 [pid 1704] <... mkdirat resumed>) = 0 [pid 1703] <... mount resumed>) = 0 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./273/config" [pid 1705] setpgid(0, 0 [pid 1704] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1702] close(14 [pid 1705] <... setpgid resumed>) = 0 [pid 1704] <... symlinkat resumed>) = 0 [pid 1703] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1704] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1705] <... symlink resumed>) = 0 [pid 1704] <... unlinkat resumed>) = 0 [pid 1703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1702] close(15 [pid 310] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1705] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1704] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1705] <... symlink resumed>) = 0 [pid 1704] <... unlinkat resumed>) = 0 [pid 1703] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1705] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1704] close(3 [pid 1705] <... symlink resumed>) = 0 [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1702] close(16 [pid 310] openat(AT_FDCWD, "./273/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1704] close(4 [pid 1705] <... openat resumed>) = 3 [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] write(3, "1000", 4 [pid 1704] close(5 [pid 1703] <... mkdirat resumed>) = 0 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1705] <... write resumed>) = 4 [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1702] close(17 [pid 310] fstat(4 [pid 1705] close(3 [pid 1704] close(6 [pid 1705] <... close resumed>) = 0 [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] symlink("/dev/binderfs", "./binderfs" [pid 1704] close(7 [pid 1703] <... symlinkat resumed>) = 0 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1705] <... symlink resumed>) = 0 [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1702] close(18 [pid 1705] write(1, "executing program\n", 18 executing program [pid 1704] close(8 [pid 1703] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] <... write resumed>) = 18 [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1702] close(19 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1705] mkdirat(AT_FDCWD, "./config", 0777 [pid 1704] close(9 [pid 1705] <... mkdirat resumed>) = 0 [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] <... unlinkat resumed>) = 0 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1705] mount(NULL, "./config", "configfs", 0, NULL [pid 1704] close(10 [pid 1703] close(3 [pid 1705] <... mount resumed>) = 0 [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1702] close(20 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1704] close(11 [pid 1703] close(4 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 1705] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1702] close(21 [pid 1705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1704] close(12 [pid 1703] close(5 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1705] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1704] close(13 [pid 1705] <... mkdirat resumed>) = 0 [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1702] close(22 [pid 310] rmdir("./273/config" [pid 1705] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1704] close(14 [pid 1703] close(6 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] <... symlinkat resumed>) = 0 [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1702] close(23 [pid 310] <... rmdir resumed>) = 0 [pid 1705] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1704] close(15 [pid 1703] close(7 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./273/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1705] <... unlinkat resumed>) = 0 [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1702] close(24 [pid 1705] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1704] close(16 [pid 1703] close(8 [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1705] <... unlinkat resumed>) = 0 [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] close(3 [pid 1704] close(17 [pid 1703] close(9 [pid 1702] close(25 [pid 310] newfstatat(AT_FDCWD, "./273/binderfs" [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] close(4 [pid 1704] close(18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] close(10 [pid 1702] close(26 [pid 310] unlink("./273/binderfs" [pid 1705] close(5 [pid 1704] close(19 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1705] close(6 [pid 1704] close(20 [pid 1703] close(11 [pid 1702] close(27 [pid 310] umount2("./273/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] close(7 [pid 1704] close(21 [pid 1703] close(12 [pid 1702] close(28 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./273/cgroup.net" [pid 1705] close(8 [pid 1704] close(22 [pid 1703] close(13 [pid 1702] close(29 [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1705] close(9 [pid 1704] close(23 [pid 1703] close(14 [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1702] exit_group(0 [pid 310] unlink("./273/cgroup.net" [pid 1705] close(10 [pid 1704] close(24 [pid 1703] close(15 [pid 1702] <... exit_group resumed>) = ? [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1705] close(11 [pid 1704] close(25 [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] close(12 [pid 1704] close(26 [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] close(13 [pid 1704] close(27 [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] close(14 [pid 1704] close(28 [pid 1702] +++ exited with 0 +++ [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] close(16 [pid 310] umount2("./273/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1705] close(15 [pid 1704] close(29 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] close(17 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1705] close(16 [pid 1704] exit_group(0 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./273/cgroup.cpu" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1704] <... exit_group resumed>) = ? [pid 1703] close(18 [pid 1705] close(17 [pid 1704] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] close(18) = -1 EBADF (Bad file descriptor) [pid 1705] close(19) = -1 EBADF (Bad file descriptor) [pid 1705] close(20) = -1 EBADF (Bad file descriptor) [pid 1705] close(21 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] close(19 [pid 310] unlink("./273/cgroup.cpu" [pid 1705] close(22 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] close(20 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... unlink resumed>) = 0 [pid 1705] close(23 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./273/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] close(21 [pid 1705] close(24 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] close(25) = -1 EBADF (Bad file descriptor) [pid 1703] close(22 [pid 310] newfstatat(AT_FDCWD, "./273/cgroup" [pid 1705] close(26 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1705] close(27 [pid 1703] close(23 [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1705] close(28 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./273/cgroup" [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] close(24 [pid 1705] close(29 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1703] close(25 [pid 1705] exit_group(0 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1705] <... exit_group resumed>) = ? [pid 1703] close(26 [pid 1705] +++ exited with 0 +++ [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1703] close(27 [pid 310] close(3 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1703] close(28 [pid 310] <... close resumed>) = 0 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./273" [pid 1703] close(29 [pid 310] <... rmdir resumed>) = 0 [pid 1703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./274", 0777 [pid 1703] exit_group(0) = ? [pid 310] <... mkdir resumed>) = 0 [pid 1703] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1706 attached [pid 1706] set_robust_list(0x55555bb49760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 276 [pid 1706] <... set_robust_list resumed>) = 0 [pid 1706] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1706] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1706] chdir("./274") = 0 [pid 1706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... restart_syscall resumed>) = 0 [pid 1706] <... prctl resumed>) = 0 [pid 1706] setpgid(0, 0) = 0 [pid 313] umount2("./285", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1706] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 1706] <... symlink resumed>) = 0 [pid 313] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1706] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] <... openat resumed>) = 3 [pid 313] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1706] <... symlink resumed>) = 0 [pid 313] getdents64(3 [pid 1706] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./270", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1706] <... symlink resumed>) = 0 [pid 313] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1706] <... openat resumed>) = 3 [pid 313] newfstatat(AT_FDCWD, "./285/config" [pid 1706] write(3, "1000", 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1706] <... write resumed>) = 4 [pid 313] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 1706] close(3 [pid 313] openat(AT_FDCWD, "./285/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 1706] <... close resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1706] symlink("/dev/binderfs", "./binderfs" [pid 313] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] getdents64(3 [pid 1706] <... symlink resumed>) = 0 [pid 313] getdents64(4 [pid 1706] write(1, "executing program\n", 18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 executing program [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1706] <... write resumed>) = 18 [pid 313] getdents64(4 [pid 309] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1706] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] close(4) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1706] <... mkdirat resumed>) = 0 [pid 313] rmdir("./285/config" [pid 309] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1706] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... rmdir resumed>) = 0 [pid 313] umount2("./285/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1706] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] newfstatat(AT_FDCWD, "./285/binderfs" [pid 309] newfstatat(AT_FDCWD, "./270/config" [pid 1706] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] unlink("./285/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1706] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./285/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./270/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./285/cgroup.net" [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./285/cgroup.net") = 0 [pid 1706] <... mkdirat resumed>) = 0 [pid 313] umount2("./285/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./270/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1706] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./285/cgroup.cpu" [pid 309] <... openat resumed>) = 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1706] <... symlinkat resumed>) = 0 [pid 313] unlink("./285/cgroup.cpu" [pid 311] umount2("./277", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 1706] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... unlink resumed>) = 0 [pid 313] umount2("./285/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1706] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 1706] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] newfstatat(AT_FDCWD, "./285/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] unlink("./285/cgroup" [pid 1706] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] fstat(3 [pid 309] getdents64(4 [pid 1706] close(3 [pid 313] getdents64(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] getdents64(3 [pid 1706] close(4 [pid 313] close(3 [pid 309] close(4 [pid 313] <... close resumed>) = 0 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./285" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... close resumed>) = 0 [pid 1706] close(5 [pid 313] <... rmdir resumed>) = 0 [pid 311] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./270/config" [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./286", 0777 [pid 1706] close(6 [pid 313] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./270/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1706] close(7 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./277/config"ci2-android-5-15/strace-static-x86_64: Process 1707 attached [pid 1706] close(8 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 288 [pid 309] newfstatat(AT_FDCWD, "./270/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1707] set_robust_list(0x55555bb49760, 24 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1707] <... set_robust_list resumed>) = 0 [pid 1706] close(9 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./270/binderfs" [pid 1707] rt_sigprocmask(SIG_SETMASK, [] [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./277/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1707] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./281", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1706] close(10 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1707] chdir("./286" [pid 311] <... openat resumed>) = 4 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./270/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1707] <... chdir resumed>) = 0 [pid 1706] close(11 [pid 312] <... openat resumed>) = 3 [pid 311] fstat(4 [pid 312] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1707] <... prctl resumed>) = 0 [pid 312] getdents64(3 [pid 1706] close(12 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./270/cgroup.net" [pid 1707] setpgid(0, 0 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1707] <... setpgid resumed>) = 0 [pid 312] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 1706] close(13 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1707] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1707] <... symlink resumed>) = 0 [pid 312] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./270/cgroup.net" [pid 1707] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1706] close(14 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 1707] <... symlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./281/config" [pid 309] <... unlink resumed>) = 0 [pid 1707] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./270/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1707] <... symlink resumed>) = 0 [pid 1706] close(15 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./281/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./270/cgroup.cpu" [pid 312] <... openat resumed>) = 4 [pid 1707] <... openat resumed>) = 3 [pid 312] fstat(4 [pid 1706] close(16 [pid 1707] write(3, "1000", 4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] rmdir("./277/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1707] <... write resumed>) = 4 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1707] close(3 [pid 1706] close(17 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./270/cgroup.cpu" [pid 1707] <... close resumed>) = 0 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] umount2("./277/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1707] symlink("/dev/binderfs", "./binderfs" [pid 1706] close(18 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1707] <... symlink resumed>) = 0 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./270/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1707] write(1, "executing program\n", 18 [pid 1706] close(19 [pid 312] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./277/binderfs" [pid 1707] <... write resumed>) = 18 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./281/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1707] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... rmdir resumed>) = 0 [pid 1706] close(20 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1707] <... mkdirat resumed>) = 0 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./281/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./270/cgroup" [pid 1707] mount(NULL, "./config", "configfs", 0, NULL [pid 1706] close(21 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./277/binderfs" [pid 312] newfstatat(AT_FDCWD, "./281/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1707] <... mount resumed>) = 0 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./281/binderfs" [pid 1707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1706] close(22 [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] unlink("./270/cgroup" [pid 1707] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./281/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1706] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./277/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1707] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./281/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1706] close(24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./277/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] unlink("./281/cgroup.net" [pid 1707] <... mkdirat resumed>) = 0 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 1707] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1706] close(25 [pid 312] umount2("./281/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./277/cgroup.net" [pid 1707] <... symlinkat resumed>) = 0 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1707] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1706] close(26 [pid 312] newfstatat(AT_FDCWD, "./281/cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 309] rmdir("./270" [pid 1707] <... unlinkat resumed>) = 0 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./277/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1707] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1706] close(27 [pid 312] unlink("./281/cgroup.cpu" [pid 309] <... rmdir resumed>) = 0 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1707] <... unlinkat resumed>) = 0 [pid 1706] close(28 [pid 312] umount2("./281/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./277/cgroup.cpu" [pid 309] mkdir("./271", 0777 [pid 1707] close(3 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1706] close(29 [pid 312] newfstatat(AT_FDCWD, "./281/cgroup" [pid 311] unlink("./277/cgroup.cpu" [pid 309] <... mkdir resumed>) = 0 [pid 1707] close(4 [pid 1706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./281/cgroup" [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1707] close(5 [pid 1706] exit_group(0 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./277/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1706] <... exit_group resumed>) = ? [pid 312] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1707] close(6 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] close(3) = 0 [pid 312] rmdir("./281") = 0 [pid 312] mkdir("./282", 0777) = 0 [pid 1706] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./277/cgroup" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1709 attached ci2-android-5-15/strace-static-x86_64: Process 1708 attached [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1709] set_robust_list(0x55555bb49760, 24 [pid 1708] set_robust_list(0x55555bb49760, 24 [pid 1707] close(7 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 284 [pid 1709] <... set_robust_list resumed>) = 0 [pid 1708] <... set_robust_list resumed>) = 0 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] unlink("./277/cgroup" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 273 [pid 1709] rt_sigprocmask(SIG_SETMASK, [] [pid 1708] rt_sigprocmask(SIG_SETMASK, [] [pid 1707] close(8 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1709] chdir("./282" [pid 1708] chdir("./271" [pid 1707] close(9 [pid 311] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1709] <... chdir resumed>) = 0 [pid 1708] <... chdir resumed>) = 0 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1707] close(10 [pid 311] close(3 [pid 1709] <... prctl resumed>) = 0 [pid 1708] <... prctl resumed>) = 0 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] setpgid(0, 0 [pid 1708] setpgid(0, 0 [pid 1707] close(11 [pid 311] <... close resumed>) = 0 [pid 1709] <... setpgid resumed>) = 0 [pid 1708] <... setpgid resumed>) = 0 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./277" [pid 1709] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1708] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1707] close(12 [pid 1709] <... symlink resumed>) = 0 [pid 1708] <... symlink resumed>) = 0 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1709] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1708] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1707] close(13 [pid 311] mkdir("./278", 0777 [pid 1709] <... symlink resumed>) = 0 [pid 1708] <... symlink resumed>) = 0 [pid 1708] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1708] <... symlink resumed>) = 0 [pid 1707] close(14 [pid 311] <... mkdir resumed>) = 0 [pid 1709] <... symlink resumed>) = 0 [pid 1708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1708] <... openat resumed>) = 3 [pid 1707] close(15 [pid 1708] write(3, "1000", 4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1709] <... openat resumed>) = 3 [pid 1708] <... write resumed>) = 4 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1709] write(3, "1000", 4 [pid 1708] close(3 [pid 1707] close(16 [pid 310] <... restart_syscall resumed>) = 0 [pid 1708] <... close resumed>) = 0 [pid 1708] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1708] write(1, "executing program\n", 18) = 18 ci2-android-5-15/strace-static-x86_64: Process 1710 attached executing program [pid 1709] <... write resumed>) = 4 [pid 1708] mkdirat(AT_FDCWD, "./config", 0777 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] set_robust_list(0x55555bb49760, 24 [pid 1709] close(3 [pid 1708] <... mkdirat resumed>) = 0 [pid 1710] <... set_robust_list resumed>) = 0 [pid 1708] mount(NULL, "./config", "configfs", 0, NULL [pid 1707] close(17 [pid 1710] rt_sigprocmask(SIG_SETMASK, [] [pid 1709] <... close resumed>) = 0 [pid 1708] <... mount resumed>) = 0 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 280 [pid 1710] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1709] symlink("/dev/binderfs", "./binderfs" [pid 1708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1707] close(18 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1710] chdir("./278" [pid 1709] <... symlink resumed>) = 0 [pid 1708] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./274", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1710] <... chdir resumed>) = 0 [pid 1709] write(1, "executing program\n", 18 [pid 1708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 executing program [pid 1707] close(19 [pid 1710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1709] <... write resumed>) = 18 [pid 1708] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1710] <... prctl resumed>) = 0 [pid 1709] mkdirat(AT_FDCWD, "./config", 0777 [pid 1708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1707] close(20 [pid 310] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1710] setpgid(0, 0 [pid 1709] <... mkdirat resumed>) = 0 [pid 1708] <... mkdirat resumed>) = 0 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... setpgid resumed>) = 0 [pid 1709] mount(NULL, "./config", "configfs", 0, NULL [pid 1708] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 3 [pid 1710] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1709] <... mount resumed>) = 0 [pid 1708] <... symlinkat resumed>) = 0 [pid 1707] close(21 [pid 1710] <... symlink resumed>) = 0 [pid 1709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1708] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 1710] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1709] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1708] <... unlinkat resumed>) = 0 [pid 1710] <... symlink resumed>) = 0 [pid 1709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1708] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1707] close(22 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1710] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1709] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1708] <... unlinkat resumed>) = 0 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... symlink resumed>) = 0 [pid 1709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1708] close(3 [pid 1707] close(23 [pid 310] getdents64(3 [pid 1710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... openat resumed>) = 3 [pid 1709] <... mkdirat resumed>) = 0 [pid 1708] close(4 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1710] write(3, "1000", 4 [pid 1709] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1707] close(24 [pid 310] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1710] <... write resumed>) = 4 [pid 1708] close(5 [pid 1710] close(3 [pid 1709] <... symlinkat resumed>) = 0 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... close resumed>) = 0 [pid 1709] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1708] close(6 [pid 1707] close(25 [pid 310] <... umount2 resumed>) = 0 [pid 1710] symlink("/dev/binderfs", "./binderfs" [pid 1709] <... unlinkat resumed>) = 0 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1710] <... symlink resumed>) = 0 [pid 1709] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1708] close(7 [pid 1710] write(1, "executing program\n", 18 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1707] close(26 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1710] <... write resumed>) = 18 [pid 1709] <... unlinkat resumed>) = 0 [pid 1708] close(8 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./274/config" [pid 1710] mkdirat(AT_FDCWD, "./config", 0777 [pid 1709] close(3 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1707] close(27 [pid 1710] <... mkdirat resumed>) = 0 [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(9 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1710] mount(NULL, "./config", "configfs", 0, NULL [pid 1709] close(4 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1707] close(28 [pid 310] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1710] <... mount resumed>) = 0 [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(10 [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1710] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1709] close(5 [pid 1708] close(11 [pid 1707] close(29 [pid 310] openat(AT_FDCWD, "./274/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1708] close(12 [pid 310] <... openat resumed>) = 4 [pid 1710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1709] close(6 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1707] exit_group(0 [pid 310] fstat(4 [pid 1710] <... mkdirat resumed>) = 0 [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(13 [pid 1707] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1710] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1709] close(7 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... symlinkat resumed>) = 0 [pid 1708] close(14 [pid 1710] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... unlinkat resumed>) = 0 [pid 1708] close(15 [pid 1710] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... unlinkat resumed>) = 0 [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(16 [pid 1707] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 1710] close(3 [pid 1709] close(8 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(17 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1710] close(4 [pid 1709] close(9 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(18 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1710] close(5 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] close(10 [pid 1708] close(19 [pid 310] close(4 [pid 1710] close(6 [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(20 [pid 310] <... close resumed>) = 0 [pid 1710] close(7 [pid 1709] close(11 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./274/config" [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(21 [pid 1710] close(8 [pid 1709] close(12 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(22 [pid 1710] close(9 [pid 1709] close(13 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./274/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(23 [pid 1710] close(10 [pid 1709] close(14 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(24 [pid 310] newfstatat(AT_FDCWD, "./274/binderfs" [pid 1710] close(11 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] close(15 [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(25 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1710] close(12 [pid 1709] close(16 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(26 [pid 310] unlink("./274/binderfs" [pid 1710] close(13 [pid 1709] close(17 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(27 [pid 310] <... unlink resumed>) = 0 [pid 1710] close(14 [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./274/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] close(18 [pid 1708] close(28 [pid 1710] close(15 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] close(29 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1710] close(16 [pid 1709] close(19 [pid 1708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./274/cgroup.net" [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] exit_group(0 [pid 1710] close(17 [pid 1709] close(20 [pid 1708] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1708] +++ exited with 0 +++ [pid 310] unlink("./274/cgroup.net" [pid 1710] close(18 [pid 1709] close(21 [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1710] close(19 [pid 1709] close(22 [pid 310] umount2("./274/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1710] close(20) = -1 EBADF (Bad file descriptor) [pid 1710] close(21) = -1 EBADF (Bad file descriptor) [pid 1709] close(23 [pid 310] newfstatat(AT_FDCWD, "./274/cgroup.cpu" [pid 1710] close(22 [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1709] close(24 [pid 1710] close(23) = -1 EBADF (Bad file descriptor) [pid 1710] close(24) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./274/cgroup.cpu" [pid 1710] close(25 [pid 1709] close(25 [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1710] close(26) = -1 EBADF (Bad file descriptor) [pid 1709] close(26 [pid 310] umount2("./274/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1710] close(27 [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] close(27 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1710] close(28 [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./274/cgroup" [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] close(28 [pid 1710] close(29 [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1709] close(29 [pid 310] unlink("./274/cgroup" [pid 1710] exit_group(0 [pid 1709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1710] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 1710] +++ exited with 0 +++ [pid 1709] exit_group(0 [pid 310] getdents64(3 [pid 1709] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1709] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] close(3 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./274" [pid 312] umount2("./282", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 312] fstat(3 [pid 310] mkdir("./275", 0777 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... mkdir resumed>) = 0 [pid 312] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./282/config" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./286", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] openat(AT_FDCWD, "./282/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1711 attached [pid 313] <... openat resumed>) = 3 [pid 312] <... openat resumed>) = 4 [pid 309] umount2("./271", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1711] set_robust_list(0x55555bb49760, 24 [pid 313] fstat(3 [pid 312] fstat(4 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 277 [pid 1711] <... set_robust_list resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1711] rt_sigprocmask(SIG_SETMASK, [] [pid 313] getdents64(3 [pid 312] getdents64(4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1711] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 1711] chdir("./275" [pid 313] <... umount2 resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 3 [pid 1711] <... chdir resumed>) = 0 [pid 313] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(4 [pid 309] fstat(3 [pid 1711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1711] <... prctl resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./286/config" [pid 312] rmdir("./282/config" [pid 1711] setpgid(0, 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 1711] <... setpgid resumed>) = 0 [pid 313] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./282/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1711] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] openat(AT_FDCWD, "./286/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./282/binderfs" [pid 1711] <... symlink resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1711] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] fstat(4 [pid 312] unlink("./282/binderfs" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1711] <... symlink resumed>) = 0 [pid 313] getdents64(4 [pid 312] umount2("./282/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1711] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(4 [pid 312] newfstatat(AT_FDCWD, "./282/cgroup.net" [pid 309] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1711] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] close(4 [pid 312] unlink("./282/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... close resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./278", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./271/config" [pid 1711] <... openat resumed>) = 3 [pid 313] rmdir("./286/config" [pid 312] umount2("./282/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1711] write(3, "1000", 4 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1711] <... write resumed>) = 4 [pid 313] umount2("./286/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./282/cgroup.cpu" [pid 1711] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./271/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1711] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./286/binderfs" [pid 312] unlink("./282/cgroup.cpu" [pid 311] <... openat resumed>) = 3 [pid 1711] symlink("/dev/binderfs", "./binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1711] <... symlink resumed>) = 0 [pid 313] unlink("./286/binderfs" [pid 312] umount2("./282/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] openat(AT_FDCWD, "./271/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1711] write(1, "executing program\n", 18 [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 311] getdents64(3 [pid 1711] <... write resumed>) = 18 [pid 313] umount2("./286/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./282/cgroup" [pid 309] <... openat resumed>) = 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1711] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] newfstatat(AT_FDCWD, "./286/cgroup.net" [pid 312] unlink("./282/cgroup" [pid 309] fstat(4 [pid 1711] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1711] mount(NULL, "./config", "configfs", 0, NULL [pid 313] unlink("./286/cgroup.net" [pid 312] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1711] <... mount resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 313] umount2("./286/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(3 [pid 1711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 311] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./286/cgroup.cpu" [pid 312] rmdir("./282" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./278/config" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] unlink("./286/cgroup.cpu" [pid 312] mkdir("./283", 0777 [pid 1711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... unlink resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 313] umount2("./286/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1711] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1711] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] newfstatat(AT_FDCWD, "./286/cgroup" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1712 attached [pid 1711] <... symlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 1712] set_robust_list(0x55555bb49760, 24 [pid 1711] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 285 [pid 1712] <... set_robust_list resumed>) = 0 [pid 1711] <... unlinkat resumed>) = 0 [pid 313] unlink("./286/cgroup" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] openat(AT_FDCWD, "./278/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1712] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... openat resumed>) = 4 [pid 1711] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... unlink resumed>) = 0 [pid 1712] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] fstat(4 [pid 309] rmdir("./271/config" [pid 1712] chdir("./283" [pid 1711] <... unlinkat resumed>) = 0 [pid 313] getdents64(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] getdents64(4 [pid 309] umount2("./271/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1712] <... chdir resumed>) = 0 [pid 313] close(3 [pid 1711] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./271/binderfs" [pid 1712] <... prctl resumed>) = 0 [pid 1711] close(4 [pid 313] rmdir("./286" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1712] setpgid(0, 0 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1712] <... setpgid resumed>) = 0 [pid 1711] close(5 [pid 313] <... rmdir resumed>) = 0 [pid 311] close(4 [pid 309] unlink("./271/binderfs" [pid 1712] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./287", 0777 [pid 311] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1712] <... symlink resumed>) = 0 [pid 1711] close(6 [pid 313] <... mkdir resumed>) = 0 [pid 1712] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] rmdir("./278/config" [pid 309] umount2("./271/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1712] <... symlink resumed>) = 0 [pid 1711] close(7 [pid 311] <... rmdir resumed>) = 0 [pid 1712] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./278/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1712] <... symlink resumed>) = 0 [pid 1711] close(8 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./271/cgroup.net" [pid 1712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1713 attached [pid 1711] close(9 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./278/binderfs" [pid 1713] set_robust_list(0x55555bb49760, 24 [pid 1712] <... openat resumed>) = 3 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 289 [pid 309] unlink("./271/cgroup.net" [pid 1713] <... set_robust_list resumed>) = 0 [pid 1712] write(3, "1000", 4 [pid 1711] close(10 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1713] rt_sigprocmask(SIG_SETMASK, [] [pid 1712] <... write resumed>) = 4 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] unlink("./278/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1712] close(3 [pid 1711] close(11 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1713] chdir("./287" [pid 1712] <... close resumed>) = 0 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./271/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1713] <... chdir resumed>) = 0 [pid 1712] symlink("/dev/binderfs", "./binderfs" [pid 1711] close(12 [pid 311] umount2("./278/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1713] <... prctl resumed>) = 0 [pid 1712] <... symlink resumed>) = 0 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./271/cgroup.cpu" [pid 1713] setpgid(0, 0 [pid 1712] write(1, "executing program\n", 18 [pid 1711] close(13 [pid 311] newfstatat(AT_FDCWD, "./278/cgroup.net" [pid 1713] <... setpgid resumed>) = 0 executing program [pid 1712] <... write resumed>) = 18 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1713] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1713] <... symlink resumed>) = 0 [pid 1712] mkdirat(AT_FDCWD, "./config", 0777 [pid 1711] close(14 [pid 311] unlink("./278/cgroup.net" [pid 309] unlink("./271/cgroup.cpu" [pid 1713] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1712] <... mkdirat resumed>) = 0 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1713] <... symlink resumed>) = 0 [pid 1712] mount(NULL, "./config", "configfs", 0, NULL [pid 1711] close(15 [pid 311] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1713] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 1712] <... mount resumed>) = 0 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./278/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./271/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1711] close(16 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1713] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1713] write(3, "1000", 4 [pid 1712] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./278/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./271/cgroup" [pid 1713] <... write resumed>) = 4 [pid 1712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1711] close(17 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1713] close(3 [pid 1712] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./278/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1713] <... close resumed>) = 0 [pid 1712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1711] close(18 [pid 1713] symlink("/dev/binderfs", "./binderfs" [pid 311] <... unlink resumed>) = 0 [pid 309] unlink("./271/cgroup" [pid 1713] <... symlink resumed>) = 0 [pid 1713] write(1, "executing program\n", 18 [pid 1712] <... mkdirat resumed>) = 0 [pid 1713] <... write resumed>) = 18 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1712] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] umount2("./278/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1713] mkdirat(AT_FDCWD, "./config", 0777 [pid 1711] close(19 [pid 1713] <... mkdirat resumed>) = 0 [pid 1712] <... symlinkat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1713] mount(NULL, "./config", "configfs", 0, NULL [pid 1712] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./278/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1713] <... mount resumed>) = 0 [pid 1712] <... unlinkat resumed>) = 0 [pid 1711] close(20 [pid 1713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1712] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1713] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] unlink("./278/cgroup" [pid 1713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 1711] close(21 [pid 309] <... close resumed>) = 0 [pid 1713] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... unlink resumed>) = 0 [pid 1713] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1712] <... unlinkat resumed>) = 0 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 309] rmdir("./271" [pid 1713] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1712] close(3 [pid 1713] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1711] close(22 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1713] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1712] close(4 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 309] mkdir("./272", 0777 [pid 1713] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1711] close(23 [pid 311] <... close resumed>) = 0 [pid 1713] close(3 [pid 1712] close(5 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./278" [pid 309] <... mkdir resumed>) = 0 [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1711] close(24 [pid 1713] close(4) = -1 EBADF (Bad file descriptor) [pid 1712] close(6 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1713] close(5 [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1711] close(25 [pid 311] mkdir("./279", 0777 [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1713] close(6 [pid 1712] close(7 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1711] close(26 [pid 311] <... mkdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1713] close(7 [pid 1712] close(8 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1713] close(8) = -1 EBADF (Bad file descriptor) [pid 1713] close(9) = -1 EBADF (Bad file descriptor) [pid 1713] close(10) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1714 attached [pid 1713] close(11 [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1711] close(27 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1714] set_robust_list(0x55555bb49760, 24 [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] close(9 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 274 [pid 1714] <... set_robust_list resumed>) = 0 [pid 1713] close(12 [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] rt_sigprocmask(SIG_SETMASK, [] [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1711] close(28 [pid 1714] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1713] close(13 [pid 1714] chdir("./272" [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1715 attached [pid 1714] <... chdir resumed>) = 0 [pid 1713] close(14 [pid 1712] close(10 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1715] set_robust_list(0x55555bb49760, 24 [pid 1714] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1711] close(29 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 281 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1715] <... set_robust_list resumed>) = 0 executing program executing program [pid 1714] <... prctl resumed>) = 0 [pid 1713] close(15 [pid 1712] close(11 [pid 1711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] rt_sigprocmask(SIG_SETMASK, [] [pid 1714] setpgid(0, 0 [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1714] <... setpgid resumed>) = 0 [pid 1713] close(16 [pid 1712] close(12 [pid 1711] exit_group(0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1715] chdir("./279" [pid 1714] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1711] <... exit_group resumed>) = ? [pid 1715] <... chdir resumed>) = 0 [pid 1714] <... symlink resumed>) = 0 [pid 1713] close(17 [pid 1712] close(13 [pid 1715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1714] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] <... prctl resumed>) = 0 [pid 1714] <... symlink resumed>) = 0 [pid 1713] close(18 [pid 1715] setpgid(0, 0 [pid 1714] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] <... setpgid resumed>) = 0 [pid 1714] <... symlink resumed>) = 0 [pid 1713] close(19 [pid 1711] +++ exited with 0 +++ [pid 1715] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1715] <... symlink resumed>) = 0 [pid 1714] <... openat resumed>) = 3 [pid 1713] close(20 [pid 1712] close(14 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1715] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1714] write(3, "1000", 4 [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] <... symlink resumed>) = 0 [pid 1714] <... write resumed>) = 4 [pid 1713] close(21 [pid 1712] close(15 [pid 1715] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1714] close(3 [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] <... symlink resumed>) = 0 [pid 1714] <... close resumed>) = 0 [pid 1713] close(22 [pid 1712] close(16 [pid 1715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1714] symlink("/dev/binderfs", "./binderfs" [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] <... openat resumed>) = 3 [pid 1714] <... symlink resumed>) = 0 [pid 1713] close(23 [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] write(3, "1000", 4 [pid 1714] write(1, "executing program\n", 18 [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] close(17 [pid 1715] <... write resumed>) = 4 [pid 1714] <... write resumed>) = 18 [pid 1713] close(24 [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] close(3 [pid 1714] mkdirat(AT_FDCWD, "./config", 0777 [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] close(18 [pid 1715] <... close resumed>) = 0 [pid 1714] <... mkdirat resumed>) = 0 [pid 1713] close(25 [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] symlink("/dev/binderfs", "./binderfs" [pid 1714] mount(NULL, "./config", "configfs", 0, NULL [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] <... symlink resumed>) = 0 [pid 1714] <... mount resumed>) = 0 [pid 1713] close(26 [pid 1712] close(19 [pid 1715] write(1, "executing program\n", 18 [pid 1714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] <... write resumed>) = 18 [pid 1714] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1713] close(27 [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] mkdirat(AT_FDCWD, "./config", 0777 [pid 1714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] <... mkdirat resumed>) = 0 [pid 1714] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1713] close(28 [pid 1712] close(20 [pid 1715] mount(NULL, "./config", "configfs", 0, NULL [pid 1714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] <... mount resumed>) = 0 [pid 1714] <... mkdirat resumed>) = 0 [pid 1713] close(29 [pid 1712] close(21 [pid 1715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1714] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1714] <... symlinkat resumed>) = 0 [pid 1713] exit_group(0 [pid 1712] close(22 [pid 1715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1714] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1713] <... exit_group resumed>) = ? [pid 1715] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1714] <... unlinkat resumed>) = 0 [pid 1713] +++ exited with 0 +++ [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1714] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1712] close(23 [pid 1715] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1714] <... unlinkat resumed>) = 0 [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1715] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1714] close(3 [pid 1712] close(24 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... restart_syscall resumed>) = 0 [pid 1715] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1715] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1714] close(4 [pid 1712] close(25 [pid 1715] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./275", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1715] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1714] close(5 [pid 1712] close(26 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1715] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1715] close(3 [pid 1714] close(6 [pid 1712] close(27 [pid 310] <... openat resumed>) = 3 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 1715] close(4 [pid 1714] close(7 [pid 1712] close(28 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1715] close(5 [pid 1714] close(8 [pid 1712] close(29 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1715] close(6 [pid 1714] close(9) = -1 EBADF (Bad file descriptor) [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] close(10 [pid 310] <... umount2 resumed>) = 0 [pid 1715] close(7 [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] exit_group(0 [pid 310] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] close(11 [pid 1712] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1715] close(8 [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./275/config" [pid 1714] close(12 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1714] close(13 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./275/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1714] close(14 [pid 310] <... openat resumed>) = 4 [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1712] +++ exited with 0 +++ [pid 310] fstat(4 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] close(15 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1715] close(9 [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(4 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] close(16 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1715] close(10 [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1714] close(17 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 1715] close(11 [pid 1714] close(18 [pid 310] <... close resumed>) = 0 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./275/config" [pid 1715] close(12 [pid 1714] close(19 [pid 310] <... rmdir resumed>) = 0 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 310] umount2("./275/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1715] close(13 [pid 1714] close(20 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./275/binderfs" [pid 1715] close(14 [pid 1714] close(21 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./287", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./275/binderfs" [pid 1715] close(15 [pid 1714] close(22 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./275/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1715] close(16 [pid 1714] close(23 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./275/cgroup.net" [pid 1715] close(17 [pid 1714] close(24 [pid 313] fstat(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] unlink("./275/cgroup.net" [pid 1715] close(18 [pid 1714] close(25 [pid 313] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./275/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1715] close(19 [pid 1714] close(26 [pid 313] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./275/cgroup.cpu" [pid 1715] close(20 [pid 1714] close(27 [pid 313] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./275/cgroup.cpu" [pid 1715] close(21 [pid 1714] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./287/config" [pid 310] umount2("./275/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1715] close(22 [pid 1714] close(29 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./275/cgroup" [pid 1715] close(23 [pid 1714] exit_group(0 [pid 313] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1714] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./275/cgroup" [pid 1715] close(24 [pid 1714] +++ exited with 0 +++ [pid 313] openat(AT_FDCWD, "./287/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... unlink resumed>) = 0 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1715] close(25 [pid 313] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 310] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1715] close(26 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] rmdir("./275" [pid 1715] close(27 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./276", 0777 [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] <... mkdir resumed>) = 0 [pid 1715] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1715] close(29 [pid 313] <... close resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./287/config"ci2-android-5-15/strace-static-x86_64: Process 1716 attached [pid 1715] exit_group(0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 278 [pid 313] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1716] set_robust_list(0x55555bb49760, 24 [pid 1715] <... exit_group resumed>) = ? [pid 313] umount2("./287/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1716] <... set_robust_list resumed>) = 0 [pid 1716] rt_sigprocmask(SIG_SETMASK, [] [pid 1715] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./283", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1716] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] newfstatat(AT_FDCWD, "./287/binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1716] chdir("./276" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1716] <... chdir resumed>) = 0 [pid 313] unlink("./287/binderfs" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1716] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... openat resumed>) = 3 [pid 1716] <... prctl resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] fstat(3 [pid 1716] setpgid(0, 0 [pid 313] umount2("./287/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1716] <... setpgid resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1716] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 1716] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./287/cgroup.net" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1716] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1716] <... symlink resumed>) = 0 [pid 313] unlink("./287/cgroup.net" [pid 1716] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 312] <... umount2 resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1716] <... symlink resumed>) = 0 [pid 312] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./287/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... restart_syscall resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1716] <... openat resumed>) = 3 [pid 1716] write(3, "1000", 4 [pid 313] newfstatat(AT_FDCWD, "./287/cgroup.cpu" [pid 312] newfstatat(AT_FDCWD, "./283/config" [pid 1716] <... write resumed>) = 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1716] close(3 [pid 313] unlink("./287/cgroup.cpu" [pid 309] umount2("./272", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1716] <... close resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... restart_syscall resumed>) = 0 [pid 313] umount2("./287/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./283/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... openat resumed>) = 4 [pid 313] newfstatat(AT_FDCWD, "./287/cgroup" [pid 311] umount2("./279", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(4 [pid 1716] symlink("/dev/binderfs", "./binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1716] <... symlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 1716] write(1, "executing program\n", 18 [pid 313] unlink("./287/cgroup" [pid 312] getdents64(4 [pid 311] <... openat resumed>) = 3 [pid 1716] <... write resumed>) = 18 [pid 309] fstat(3 [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] fstat(3 [pid 1716] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] getdents64(3 [pid 312] getdents64(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1716] <... mkdirat resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] getdents64(3 [pid 312] close(4 [pid 309] getdents64(3 [pid 1716] mount(NULL, "./config", "configfs", 0, NULL [pid 313] close(3 [pid 312] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1716] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... close resumed>) = 0 [pid 312] rmdir("./283/config" [pid 311] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1716] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rmdir resumed>) = 0 [pid 313] rmdir("./287" [pid 312] umount2("./283/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 311] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] mkdir("./288", 0777 [pid 312] newfstatat(AT_FDCWD, "./283/binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1716] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./279/config" [pid 313] <... mkdir resumed>) = 0 [pid 312] unlink("./283/binderfs" [pid 1716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 1716] <... mkdirat resumed>) = 0 [pid 312] umount2("./283/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1716] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./283/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./272/config" [pid 1716] <... symlinkat resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1717 attached [pid 312] unlink("./283/cgroup.net" [pid 311] openat(AT_FDCWD, "./279/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1717] set_robust_list(0x55555bb49760, 24 [pid 1716] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 290 [pid 312] <... unlink resumed>) = 0 [pid 1717] <... set_robust_list resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 309] umount2("./272/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1717] rt_sigprocmask(SIG_SETMASK, [] [pid 1716] <... unlinkat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] umount2("./283/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 1717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1716] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1717] chdir("./288") = 0 [pid 1717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1716] <... unlinkat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./283/cgroup.cpu" [pid 1717] <... prctl resumed>) = 0 [pid 1716] close(3 [pid 311] getdents64(4 [pid 309] openat(AT_FDCWD, "./272/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1717] setpgid(0, 0 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1717] <... setpgid resumed>) = 0 [pid 1716] close(4 [pid 312] unlink("./283/cgroup.cpu" [pid 311] getdents64(4 [pid 309] <... openat resumed>) = 4 [pid 1717] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1717] <... symlink resumed>) = 0 [pid 1716] close(5 [pid 312] umount2("./283/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 1717] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 1717] <... symlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1717] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1716] close(6 [pid 312] newfstatat(AT_FDCWD, "./283/cgroup" [pid 311] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 1717] <... symlink resumed>) = 0 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1716] close(7 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./279/config" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1717] write(3, "1000", 4 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./283/cgroup" [pid 1717] <... write resumed>) = 4 [pid 1716] close(8 [pid 311] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 1717] close(3 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./279/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1717] <... close resumed>) = 0 [pid 1716] close(9 [pid 312] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1717] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 1717] write(1, "executing program\n", 18 [pid 1716] close(10 executing program [pid 312] close(3 [pid 1717] <... write resumed>) = 18 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./279/binderfs" [pid 312] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1717] mkdirat(AT_FDCWD, "./config", 0777 [pid 1716] close(11 [pid 312] rmdir("./283" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1717] <... mkdirat resumed>) = 0 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./272/config" [pid 1717] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... rmdir resumed>) = 0 [pid 311] unlink("./279/binderfs" [pid 1717] <... mount resumed>) = 0 [pid 1716] close(12 [pid 312] mkdir("./284", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 1717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1717] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1716] close(13 [pid 312] <... mkdir resumed>) = 0 [pid 311] umount2("./279/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./272/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1717] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1716] close(14 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] newfstatat(AT_FDCWD, "./279/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./272/binderfs" [pid 1717] <... mkdirat resumed>) = 0 [pid 1716] close(15 [pid 1717] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1717] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 ci2-android-5-15/strace-static-x86_64: Process 1718 attached [pid 1717] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1718] set_robust_list(0x55555bb49760, 24 [pid 1717] <... unlinkat resumed>) = 0 [pid 1716] close(16 [pid 311] unlink("./279/cgroup.net" [pid 1718] <... set_robust_list resumed>) = 0 [pid 1717] close(3 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 286 [pid 309] unlink("./272/binderfs" [pid 1718] rt_sigprocmask(SIG_SETMASK, [] [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] close(17 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... unlink resumed>) = 0 [pid 1718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1717] close(4 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] umount2("./279/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1718] chdir("./284" [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] close(18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./272/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1718] <... chdir resumed>) = 0 [pid 1717] close(5 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./279/cgroup.cpu" [pid 1718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1718] <... prctl resumed>) = 0 [pid 1717] close(6 [pid 1716] close(19 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./272/cgroup.net" [pid 1718] setpgid(0, 0 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./279/cgroup.cpu" [pid 1718] <... setpgid resumed>) = 0 [pid 1717] close(7 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1718] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] close(20 [pid 311] <... unlink resumed>) = 0 [pid 309] unlink("./272/cgroup.net" [pid 1718] <... symlink resumed>) = 0 [pid 1717] close(8 [pid 1718] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./279/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1718] <... symlink resumed>) = 0 [pid 1717] close(9 [pid 1716] close(21 [pid 309] <... unlink resumed>) = 0 [pid 1718] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1718] <... symlink resumed>) = 0 [pid 1717] close(10 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./272/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] close(22 [pid 311] newfstatat(AT_FDCWD, "./279/cgroup" [pid 1718] <... openat resumed>) = 3 [pid 1717] close(11 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1718] write(3, "1000", 4 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] close(23 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./272/cgroup.cpu" [pid 1718] <... write resumed>) = 4 [pid 1717] close(12 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1718] close(3 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] close(24 [pid 311] unlink("./279/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1718] <... close resumed>) = 0 [pid 1717] close(13 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1718] symlink("/dev/binderfs", "./binderfs" [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1718] <... symlink resumed>) = 0 [pid 1717] close(14 [pid 1716] close(25 [pid 311] getdents64(3 [pid 309] unlink("./272/cgroup.cpu" [pid 1718] write(1, "executing program\n", 18 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1718] <... write resumed>) = 18 executing program [pid 1717] close(15 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1718] mkdirat(AT_FDCWD, "./config", 0777 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] close(26 [pid 311] close(3 [pid 1718] <... mkdirat resumed>) = 0 [pid 1717] close(16 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./272/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1718] mount(NULL, "./config", "configfs", 0, NULL [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] close(27 [pid 311] <... close resumed>) = 0 [pid 1718] <... mount resumed>) = 0 [pid 1717] close(17 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./279" [pid 309] newfstatat(AT_FDCWD, "./272/cgroup" [pid 1718] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1717] close(18 [pid 1716] close(28 [pid 1718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1718] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1717] close(19 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] mkdir("./280", 0777 [pid 309] unlink("./272/cgroup" [pid 1718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] close(29 [pid 1718] <... mkdirat resumed>) = 0 [pid 1717] close(20 [pid 1716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1718] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1718] <... symlinkat resumed>) = 0 [pid 1717] close(21 [pid 1716] exit_group(0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 1718] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] <... exit_group resumed>) = ? [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1718] <... unlinkat resumed>) = 0 [pid 1717] close(22 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1718] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1718] <... unlinkat resumed>) = 0 [pid 1717] close(23 [pid 1718] close(3 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1717] close(24 [pid 1718] close(4 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1716] +++ exited with 0 +++ [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(3 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1717] close(25 [pid 1718] close(5 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1717] close(26 [pid 310] umount2("./276", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1719 attached [pid 1718] close(6 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 282 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1719] set_robust_list(0x55555bb49760, 24 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1717] close(27 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./272" [pid 1719] <... set_robust_list resumed>) = 0 [pid 1718] close(7 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1717] close(28 [pid 310] fstat(3 [pid 309] <... rmdir resumed>) = 0 [pid 1719] rt_sigprocmask(SIG_SETMASK, [] [pid 1718] close(8 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] mkdir("./273", 0777 [pid 1719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1717] close(29 [pid 310] getdents64(3 [pid 1719] chdir("./280" [pid 1718] close(9 [pid 1717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... mkdir resumed>) = 0 [pid 1719] <... chdir resumed>) = 0 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1717] exit_group(0 [pid 310] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1718] close(10 [pid 1717] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1719] <... prctl resumed>) = 0 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1717] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1719] setpgid(0, 0 [pid 1718] close(11 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1719] <... setpgid resumed>) = 0 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1718] close(12 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./276/config" [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1718] close(13 [pid 310] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1720 attached [pid 1719] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1720] set_robust_list(0x55555bb49760, 24 [pid 1719] <... symlink resumed>) = 0 [pid 1718] close(14 [pid 310] openat(AT_FDCWD, "./276/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 275 [pid 1720] <... set_robust_list resumed>) = 0 [pid 1719] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1720] rt_sigprocmask(SIG_SETMASK, [] [pid 1719] <... symlink resumed>) = 0 [pid 1718] close(15 [pid 310] fstat(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1719] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1720] chdir("./273" [pid 1718] close(16 [pid 310] getdents64(4 [pid 1720] <... chdir resumed>) = 0 [pid 1719] <... symlink resumed>) = 0 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1718] close(17 [pid 310] getdents64(4 [pid 1720] <... prctl resumed>) = 0 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1720] setpgid(0, 0 [pid 1719] <... openat resumed>) = 3 [pid 1718] close(18 [pid 310] close(4 [pid 1720] <... setpgid resumed>) = 0 [pid 1719] write(3, "1000", 4 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1720] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1719] <... write resumed>) = 4 [pid 1718] close(19 [pid 310] rmdir("./276/config" [pid 1720] <... symlink resumed>) = 0 [pid 1719] close(3 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1720] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1718] close(20 [pid 310] umount2("./276/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1720] <... symlink resumed>) = 0 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1720] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1718] close(21 [pid 310] newfstatat(AT_FDCWD, "./276/binderfs" [pid 1720] <... symlink resumed>) = 0 [pid 1719] <... close resumed>) = 0 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1719] symlink("/dev/binderfs", "./binderfs" [pid 1718] close(22 [pid 310] unlink("./276/binderfs" [pid 1720] <... openat resumed>) = 3 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1720] write(3, "1000", 4 [pid 1719] <... symlink resumed>) = 0 [pid 1718] close(23 [pid 310] umount2("./276/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1720] <... write resumed>) = 4 [pid 1719] write(1, "executing program\n", 18 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1720] close(3 [pid 1719] <... write resumed>) = 18 [pid 1718] close(24 executing program [pid 310] newfstatat(AT_FDCWD, "./276/cgroup.net" [pid 1720] <... close resumed>) = 0 [pid 1719] mkdirat(AT_FDCWD, "./config", 0777 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1720] symlink("/dev/binderfs", "./binderfs" [pid 1719] <... mkdirat resumed>) = 0 [pid 1718] close(25 [pid 310] unlink("./276/cgroup.net" [pid 1720] <... symlink resumed>) = 0 [pid 1719] mount(NULL, "./config", "configfs", 0, NULL [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1720] write(1, "executing program\n", 18 [pid 1719] <... mount resumed>) = 0 [pid 1718] close(26 executing program [pid 310] umount2("./276/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1720] <... write resumed>) = 18 [pid 1719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1720] mkdirat(AT_FDCWD, "./config", 0777 [pid 1719] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1718] close(27 [pid 313] umount2("./288", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./276/cgroup.cpu" [pid 1720] <... mkdirat resumed>) = 0 [pid 1719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1720] mount(NULL, "./config", "configfs", 0, NULL [pid 1719] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1718] close(28 [pid 313] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./276/cgroup.cpu" [pid 1720] <... mount resumed>) = 0 [pid 1719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 1720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1718] close(29 [pid 310] umount2("./276/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1719] <... mkdirat resumed>) = 0 [pid 1718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1719] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1718] exit_group(0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./276/cgroup" [pid 1720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1719] <... symlinkat resumed>) = 0 [pid 1718] <... exit_group resumed>) = ? [pid 313] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1719] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1718] +++ exited with 0 +++ [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] unlink("./276/cgroup" [pid 1720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1719] <... unlinkat resumed>) = 0 [pid 313] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... unlink resumed>) = 0 [pid 1720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1719] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(3 [pid 313] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 1719] <... unlinkat resumed>) = 0 [pid 313] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1720] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 1719] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./276" [pid 1720] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./288/config" [pid 310] <... rmdir resumed>) = 0 [pid 1720] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1719] close(4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./277", 0777 [pid 1720] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 1720] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1719] close(5 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1720] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./288/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1721 attached [pid 1720] close(3 [pid 1719] close(6 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 279 [pid 1721] set_robust_list(0x55555bb49760, 24 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1721] <... set_robust_list resumed>) = 0 [pid 1720] close(4 [pid 1719] close(7 [pid 313] fstat(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1721] rt_sigprocmask(SIG_SETMASK, [] [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1721] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1720] close(5 [pid 1719] close(8 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... restart_syscall resumed>) = 0 [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1721] chdir("./277" [pid 1720] close(6 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1719] close(9 [pid 1721] <... chdir resumed>) = 0 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1719] close(10 [pid 1721] <... prctl resumed>) = 0 [pid 1720] close(7 [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] umount2("./284", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1721] setpgid(0, 0 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] close(11 [pid 313] close(4 [pid 1721] <... setpgid resumed>) = 0 [pid 1720] close(8 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1721] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1719] close(12 [pid 312] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] rmdir("./288/config" [pid 1721] <... symlink resumed>) = 0 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1719] close(13 [pid 313] <... rmdir resumed>) = 0 [pid 312] fstat(3 [pid 1721] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1720] close(9 [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./288/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1721] <... symlink resumed>) = 0 [pid 1719] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1721] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./288/binderfs" [pid 312] getdents64(3 [pid 1721] <... symlink resumed>) = 0 [pid 1720] close(10 [pid 1719] close(15 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1720] close(11 [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./288/binderfs" [pid 312] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1721] <... openat resumed>) = 3 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] close(16 [pid 1720] close(12 [pid 313] <... unlink resumed>) = 0 [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./288/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = 0 [pid 1721] write(3, "1000", 4 [pid 1720] close(13 [pid 1719] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1721] <... write resumed>) = 4 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./288/cgroup.net" [pid 1721] close(3 [pid 1720] close(14 [pid 1719] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1721] <... close resumed>) = 0 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./284/config" [pid 1721] symlink("/dev/binderfs", "./binderfs" [pid 1720] close(15 [pid 1719] close(19 [pid 313] unlink("./288/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1721] <... symlink resumed>) = 0 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] close(20 [pid 313] <... unlink resumed>) = 0 [pid 1720] close(16 [pid 1721] write(1, "executing program\n", 18 [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1721] <... write resumed>) = 18 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] close(21 [pid 313] umount2("./288/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1721] mkdirat(AT_FDCWD, "./config", 0777 [pid 1720] close(17 [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1721] <... mkdirat resumed>) = 0 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] close(22 [pid 313] newfstatat(AT_FDCWD, "./288/cgroup.cpu" [pid 312] openat(AT_FDCWD, "./284/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1721] mount(NULL, "./config", "configfs", 0, NULL [pid 1720] close(18 [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1721] <... mount resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 1719] close(23 [pid 1721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./288/cgroup.cpu" [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1721] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1720] close(19 [pid 1721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1719] close(24 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1721] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1720] close(20 [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./288/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] close(25 [pid 312] getdents64(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1721] <... mkdirat resumed>) = 0 [pid 1720] close(21 [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./288/cgroup" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1721] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] close(26 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(4 [pid 1721] <... symlinkat resumed>) = 0 [pid 1720] close(22 [pid 1721] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./288/cgroup" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1721] <... unlinkat resumed>) = 0 [pid 1720] close(23 [pid 1719] close(27 [pid 313] <... unlink resumed>) = 0 [pid 312] close(4 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1721] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1720] close(24 [pid 313] getdents64(3 [pid 312] <... close resumed>) = 0 [pid 1721] <... unlinkat resumed>) = 0 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] close(28 [pid 1721] close(3 [pid 1720] close(25 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] rmdir("./284/config" [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1720] close(26 [pid 312] <... rmdir resumed>) = 0 [pid 1719] close(29 [pid 1721] close(4 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] umount2("./284/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1720] close(27 [pid 1719] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1721] close(5 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1719] <... exit_group resumed>) = ? [pid 313] rmdir("./288" [pid 312] newfstatat(AT_FDCWD, "./284/binderfs" [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1720] close(28 [pid 1719] +++ exited with 0 +++ [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 1720] close(29 [pid 312] unlink("./284/binderfs" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] mkdir("./289", 0777 [pid 1721] close(6 [pid 1720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 1720] exit_group(0 [pid 312] umount2("./284/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1720] <... exit_group resumed>) = ? [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1721] close(7 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1720] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./284/cgroup.net" [pid 311] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1721] close(8 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] unlink("./284/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1722 attached ) = 0 [pid 1722] set_robust_list(0x55555bb49760, 24 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./284/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./280", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1722] <... set_robust_list resumed>) = 0 [pid 1721] close(9 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 291 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1722] rt_sigprocmask(SIG_SETMASK, [] [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./284/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1721] close(10 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1722] chdir("./289" [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./284/cgroup.cpu" [pid 1722] <... chdir resumed>) = 0 [pid 1721] close(11 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... openat resumed>) = 3 [pid 1722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] fstat(3 [pid 1722] <... prctl resumed>) = 0 [pid 1721] close(12 [pid 312] umount2("./284/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1722] setpgid(0, 0 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 1722] <... setpgid resumed>) = 0 [pid 1722] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1721] close(13 [pid 312] newfstatat(AT_FDCWD, "./284/cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1722] <... symlink resumed>) = 0 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1722] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1721] close(14 [pid 311] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1722] <... symlink resumed>) = 0 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./284/cgroup" [pid 1722] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1721] close(15 [pid 311] <... umount2 resumed>) = 0 [pid 1722] <... symlink resumed>) = 0 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1721] close(16 [pid 1722] <... openat resumed>) = 3 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1722] write(3, "1000", 4 [pid 1721] close(17 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1722] <... write resumed>) = 4 [pid 311] newfstatat(AT_FDCWD, "./280/config" [pid 1722] close(3 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 1722] <... close resumed>) = 0 [pid 1721] close(18 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1722] symlink("/dev/binderfs", "./binderfs" [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1722] <... symlink resumed>) = 0 [pid 1721] close(19 [pid 312] rmdir("./284" [pid 311] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./273", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1722] write(1, "executing program\n", 18 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1722] <... write resumed>) = 18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1722] mkdirat(AT_FDCWD, "./config", 0777 [pid 1721] close(20 [pid 312] mkdir("./285", 0777 [pid 1722] <... mkdirat resumed>) = 0 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./280/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1722] mount(NULL, "./config", "configfs", 0, NULL [pid 1721] close(21 [pid 312] <... mkdir resumed>) = 0 [pid 1722] <... mount resumed>) = 0 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 1722] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1721] close(22 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] fstat(4 [pid 309] fstat(3 [pid 1722] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1722] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1721] close(23 [pid 1722] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1722] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 1723 attached ) = 0 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 309] getdents64(3 [pid 1723] set_robust_list(0x55555bb49760, 24 [pid 1722] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1721] close(24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 287 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1723] <... set_robust_list resumed>) = 0 [pid 1722] <... symlinkat resumed>) = 0 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1723] rt_sigprocmask(SIG_SETMASK, [] [pid 1722] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1721] close(25 [pid 311] getdents64(4 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1723] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1722] <... unlinkat resumed>) = 0 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1723] chdir("./285" [pid 1722] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1721] close(26 [pid 309] <... umount2 resumed>) = 0 [pid 1723] <... chdir resumed>) = 0 [pid 1722] <... unlinkat resumed>) = 0 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 309] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1722] close(3 [pid 1721] close(27 [pid 311] <... close resumed>) = 0 [pid 1723] <... prctl resumed>) = 0 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1723] setpgid(0, 0 [pid 1722] close(4 [pid 1721] close(28 [pid 311] rmdir("./280/config" [pid 309] newfstatat(AT_FDCWD, "./273/config" [pid 1723] <... setpgid resumed>) = 0 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1723] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1722] close(5 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1723] <... symlink resumed>) = 0 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1721] close(29 [pid 311] umount2("./280/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./273/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1723] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1722] close(6 [pid 1721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1723] <... symlink resumed>) = 0 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1723] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1722] close(7 [pid 1721] exit_group(0 [pid 311] newfstatat(AT_FDCWD, "./280/binderfs" [pid 309] openat(AT_FDCWD, "./273/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1723] <... symlink resumed>) = 0 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1721] <... exit_group resumed>) = ? [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1722] close(8 [pid 309] <... openat resumed>) = 4 [pid 1723] <... openat resumed>) = 3 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1723] write(3, "1000", 4 [pid 1722] close(9 [pid 1723] <... write resumed>) = 4 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1723] close(3 [pid 1722] close(10 [pid 1723] <... close resumed>) = 0 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1721] +++ exited with 0 +++ [pid 311] unlink("./280/binderfs" [pid 1723] symlink("/dev/binderfs", "./binderfs" [pid 1722] close(11 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(4 [pid 1723] <... symlink resumed>) = 0 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1723] write(1, "executing program\n", 18 executing program [pid 1722] close(12 [pid 311] umount2("./280/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1723] <... write resumed>) = 18 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1723] mkdirat(AT_FDCWD, "./config", 0777 [pid 1722] close(13 [pid 311] newfstatat(AT_FDCWD, "./280/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1723] <... mkdirat resumed>) = 0 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1723] mount(NULL, "./config", "configfs", 0, NULL [pid 1722] close(14 [pid 311] unlink("./280/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1723] <... mount resumed>) = 0 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1722] close(15 [pid 1723] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1722] close(16 [pid 311] umount2("./280/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1723] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1722] close(17 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./273/config" [pid 1723] <... mkdirat resumed>) = 0 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./280/cgroup.cpu" [pid 1723] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1722] close(18 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./277", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1723] <... symlinkat resumed>) = 0 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./280/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./273/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1723] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1722] close(19 [pid 310] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1723] <... unlinkat resumed>) = 0 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1723] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1722] close(20 [pid 311] umount2("./280/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./273/binderfs" [pid 1723] <... unlinkat resumed>) = 0 [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1723] close(3 [pid 1722] close(21 [pid 311] newfstatat(AT_FDCWD, "./280/cgroup" [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] unlink("./273/binderfs" [pid 1723] close(4 [pid 1722] close(22 [pid 311] unlink("./280/cgroup" [pid 310] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1723] close(5 [pid 1722] close(23 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./273/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1723] close(6 [pid 1722] close(24 [pid 310] newfstatat(AT_FDCWD, "./277/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./273/cgroup.net" [pid 1723] close(7 [pid 1722] close(25 [pid 311] close(3 [pid 310] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1723] close(8 [pid 1722] close(26 [pid 311] rmdir("./280" [pid 310] openat(AT_FDCWD, "./277/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./273/cgroup.net" [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 1723] close(9 [pid 1722] close(27 [pid 311] mkdir("./281", 0777 [pid 310] fstat(4 [pid 309] <... unlink resumed>) = 0 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1723] close(10 [pid 1722] close(28 [pid 311] <... mkdir resumed>) = 0 [pid 310] getdents64(4 [pid 309] umount2("./273/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1723] close(11 [pid 1722] close(29 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1723] close(12 [pid 1722] exit_group(0 [pid 310] close(4 [pid 309] newfstatat(AT_FDCWD, "./273/cgroup.cpu" [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1722] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1724 attached [pid 1723] close(13 [pid 1722] +++ exited with 0 +++ [pid 310] rmdir("./277/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1724] set_robust_list(0x55555bb49760, 24 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 283 [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./273/cgroup.cpu" [pid 1724] <... set_robust_list resumed>) = 0 [pid 1723] close(14 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./277/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1724] rt_sigprocmask(SIG_SETMASK, [] [pid 1723] close(15 [pid 310] newfstatat(AT_FDCWD, "./277/binderfs" [pid 309] umount2("./273/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1724] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1724] chdir("./281" [pid 1723] close(16 [pid 310] unlink("./277/binderfs" [pid 309] newfstatat(AT_FDCWD, "./273/cgroup" [pid 1724] <... chdir resumed>) = 0 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1723] close(17 [pid 310] umount2("./277/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1724] <... prctl resumed>) = 0 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./273/cgroup" [pid 1724] setpgid(0, 0 [pid 1723] close(18 [pid 310] newfstatat(AT_FDCWD, "./277/cgroup.net" [pid 1724] <... setpgid resumed>) = 0 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1724] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1723] close(19 [pid 310] unlink("./277/cgroup.net" [pid 309] getdents64(3 [pid 1724] <... symlink resumed>) = 0 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1724] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1723] close(20 [pid 310] umount2("./277/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1724] <... symlink resumed>) = 0 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1724] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1723] close(21 [pid 310] newfstatat(AT_FDCWD, "./277/cgroup.cpu" [pid 309] <... close resumed>) = 0 [pid 1724] <... symlink resumed>) = 0 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./273" [pid 1724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1723] close(22 [pid 310] unlink("./277/cgroup.cpu" [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1724] <... openat resumed>) = 3 [pid 1723] close(23 [pid 310] umount2("./277/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1724] write(3, "1000", 4 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./274", 0777 [pid 1724] <... write resumed>) = 4 [pid 1723] close(24 [pid 310] newfstatat(AT_FDCWD, "./277/cgroup" [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1724] close(3 [pid 1723] close(25 [pid 310] unlink("./277/cgroup" [pid 309] <... mkdir resumed>) = 0 [pid 1724] <... close resumed>) = 0 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1723] close(26 [pid 310] getdents64(3 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1723] close(27 [pid 310] close(3 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1723] close(28 [pid 310] rmdir("./277" [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1724] symlink("/dev/binderfs", "./binderfs" [pid 1723] close(29 [pid 313] <... restart_syscall resumed>) = 0 [pid 310] mkdir("./278", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1724] <... symlink resumed>) = 0 [pid 1723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1724] write(1, "executing program\n", 18 [pid 1723] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1724] <... write resumed>) = 18 [pid 1723] <... exit_group resumed>) = ? [pid 313] umount2("./289", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1725 attached [pid 1724] mkdirat(AT_FDCWD, "./config", 0777 [pid 1723] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1726 attached [pid 1725] set_robust_list(0x55555bb49760, 24 [pid 1724] <... mkdirat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 276 [pid 1725] <... set_robust_list resumed>) = 0 [pid 1724] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... openat resumed>) = 3 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 280 [pid 1726] set_robust_list(0x55555bb49760, 24 [pid 1725] rt_sigprocmask(SIG_SETMASK, [] [pid 1724] <... mount resumed>) = 0 [pid 313] fstat(3 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1726] <... set_robust_list resumed>) = 0 [pid 1725] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1726] rt_sigprocmask(SIG_SETMASK, [] [pid 1725] chdir("./274" [pid 1724] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] getdents64(3 [pid 1726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1725] <... chdir resumed>) = 0 [pid 1724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1726] chdir("./278" [pid 1725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1724] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1726] <... chdir resumed>) = 0 [pid 1725] <... prctl resumed>) = 0 [pid 1724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1725] setpgid(0, 0 [pid 313] <... umount2 resumed>) = 0 [pid 1725] <... setpgid resumed>) = 0 [pid 1725] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1726] <... prctl resumed>) = 0 [pid 1725] <... symlink resumed>) = 0 [pid 1724] <... mkdirat resumed>) = 0 [pid 313] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1726] setpgid(0, 0 [pid 1725] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1724] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1725] <... symlink resumed>) = 0 [pid 1725] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 1725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1726] <... setpgid resumed>) = 0 [pid 1725] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1726] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1725] write(3, "1000", 4 [pid 1724] <... symlinkat resumed>) = 0 [pid 1725] <... write resumed>) = 4 [pid 313] newfstatat(AT_FDCWD, "./289/config" [pid 1726] <... symlink resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1725] close(3 [pid 1724] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1726] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1725] <... close resumed>) = 0 [pid 1725] symlink("/dev/binderfs", "./binderfs" [pid 1724] <... unlinkat resumed>) = 0 [pid 1726] <... symlink resumed>) = 0 [pid 1725] <... symlink resumed>) = 0 [pid 313] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1724] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1726] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1725] write(1, "executing program\n", 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./285", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1725] <... write resumed>) = 18 [pid 1724] <... unlinkat resumed>) = 0 [pid 1726] <... symlink resumed>) = 0 executing program [pid 1725] mkdirat(AT_FDCWD, "./config", 0777 [pid 1726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1725] <... mkdirat resumed>) = 0 [pid 1724] close(3 [pid 313] openat(AT_FDCWD, "./289/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1725] mount(NULL, "./config", "configfs", 0, NULL [pid 1726] <... openat resumed>) = 3 [pid 1725] <... mount resumed>) = 0 [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1726] write(3, "1000", 4 [pid 1725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1724] close(4 [pid 313] fstat(4 [pid 1726] <... write resumed>) = 4 [pid 1725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... openat resumed>) = 3 [pid 1726] close(3 [pid 1725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1724] close(5 [pid 313] getdents64(4 [pid 312] fstat(3 [pid 1726] <... close resumed>) = 0 [pid 1725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1726] symlink("/dev/binderfs", "./binderfs" [pid 1725] <... mkdirat resumed>) = 0 [pid 1724] close(6 [pid 313] getdents64(4 [pid 312] getdents64(3 [pid 1726] <... symlink resumed>) = 0 [pid 1725] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1726] write(1, "executing program\n", 18 [pid 1725] <... symlinkat resumed>) = 0 [pid 1724] close(7 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1726] <... write resumed>) = 18 [pid 1725] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1726] mkdirat(AT_FDCWD, "./config", 0777 [pid 1725] <... unlinkat resumed>) = 0 [pid 1724] close(8 [pid 313] <... close resumed>) = 0 [pid 1726] <... mkdirat resumed>) = 0 executing program [pid 1725] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... umount2 resumed>) = 0 [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1726] mount(NULL, "./config", "configfs", 0, NULL [pid 1725] <... unlinkat resumed>) = 0 [pid 1724] close(9 [pid 313] rmdir("./289/config" [pid 312] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1725] close(3) = -1 EBADF (Bad file descriptor) [pid 1726] <... mount resumed>) = 0 [pid 1725] close(4 [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] close(10 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1726] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1725] close(5 [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./289/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./285/config" [pid 1726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] close(11 [pid 1725] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1726] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./289/binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1725] close(7 [pid 1724] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] close(8) = -1 EBADF (Bad file descriptor) [pid 1725] close(9 [pid 1726] <... mkdirat resumed>) = 0 [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./289/binderfs" [pid 1726] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1725] close(10 [pid 1724] close(13 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1726] <... symlinkat resumed>) = 0 [pid 1725] close(11 [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./289/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] openat(AT_FDCWD, "./285/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1726] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1725] close(12 [pid 1726] <... unlinkat resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 1726] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./289/cgroup.net" [pid 312] fstat(4 [pid 1725] close(13 [pid 1726] <... unlinkat resumed>) = 0 [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] close(15 [pid 1726] close(3 [pid 1725] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] close(16 [pid 313] unlink("./289/cgroup.net" [pid 1726] close(4 [pid 1725] close(15 [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] close(17 [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1726] close(5 [pid 1725] close(16 [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./289/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] close(18 [pid 1725] close(17) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1726] close(6 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] close(18 [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./289/cgroup.cpu" [pid 312] close(4 [pid 1726] close(7 [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] close(19 [pid 1724] close(19 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 1726] close(8 [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./289/cgroup.cpu" [pid 312] rmdir("./285/config" [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] close(20 [pid 1724] close(20 [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] close(21) = -1 EBADF (Bad file descriptor) [pid 1725] close(22) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1726] close(9 [pid 1725] close(23 [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./289/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1726] close(10 [pid 1725] close(24 [pid 312] umount2("./285/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./289/cgroup" [pid 1726] close(11 [pid 1725] close(25 [pid 1724] close(22 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./289/cgroup" [pid 312] newfstatat(AT_FDCWD, "./285/binderfs" [pid 1726] close(12 [pid 1725] close(26 [pid 1724] close(23 [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] unlink("./285/binderfs" [pid 1726] close(13 [pid 1725] close(27 [pid 1724] close(24 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1726] close(14 [pid 1725] close(28 [pid 1724] close(25 [pid 313] close(3 [pid 312] umount2("./285/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1726] close(15 [pid 1725] close(29 [pid 1724] close(26 [pid 313] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./289" [pid 312] newfstatat(AT_FDCWD, "./285/cgroup.net" [pid 1726] close(16 [pid 1725] exit_group(0 [pid 1724] close(27 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1725] <... exit_group resumed>) = ? [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1726] close(17 [pid 1725] +++ exited with 0 +++ [pid 1724] close(28 [pid 313] mkdir("./290", 0777 [pid 312] unlink("./285/cgroup.net" [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1726] close(18 [pid 1724] close(29 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1726] close(19 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] umount2("./285/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1724] exit_group(0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1726] close(20 [pid 1724] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1727 attached [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1727] set_robust_list(0x55555bb49760, 24) = 0 [pid 1727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1727] chdir("./290") = 0 [pid 1727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1724] +++ exited with 0 +++ [pid 1727] <... prctl resumed>) = 0 [pid 1726] close(21 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 292 [pid 312] newfstatat(AT_FDCWD, "./285/cgroup.cpu" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1727] setpgid(0, 0 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1727] <... setpgid resumed>) = 0 [pid 1726] close(22 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] unlink("./285/cgroup.cpu" [pid 1727] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1727] <... symlink resumed>) = 0 [pid 1726] close(23 [pid 312] <... unlink resumed>) = 0 [pid 1727] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./285/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1727] <... symlink resumed>) = 0 [pid 1726] close(24 [pid 1727] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1727] <... symlink resumed>) = 0 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./285/cgroup" [pid 1727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1726] close(25 [pid 1727] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1727] write(3, "1000", 4 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1727] <... write resumed>) = 4 [pid 312] unlink("./285/cgroup" [pid 1727] close(3) = 0 [pid 1726] close(26 [pid 312] <... unlink resumed>) = 0 [pid 1727] symlink("/dev/binderfs", "./binderfs" [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1727] <... symlink resumed>) = 0 [pid 1726] close(27 [pid 1727] write(1, "executing program\n", 18 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1727] <... write resumed>) = 18 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] close(3 [pid 1727] mkdirat(AT_FDCWD, "./config", 0777 [pid 1726] close(28 [pid 1727] <... mkdirat resumed>) = 0 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1727] mount(NULL, "./config", "configfs", 0, NULL [pid 1726] close(29 [pid 1727] <... mount resumed>) = 0 [pid 312] rmdir("./285" [pid 1727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1727] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... rmdir resumed>) = 0 [pid 1727] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1726] exit_group(0 [pid 312] mkdir("./286", 0777 [pid 1727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1726] <... exit_group resumed>) = ? [pid 1727] <... mkdirat resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 1727] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1727] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1727] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1726] +++ exited with 0 +++ [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1727] close(3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1727] close(4) = -1 EBADF (Bad file descriptor) [pid 1727] close(5) = -1 EBADF (Bad file descriptor) [pid 1727] close(6) = -1 EBADF (Bad file descriptor) [pid 1727] close(7) = -1 EBADF (Bad file descriptor) [pid 1727] close(8) = -1 EBADF (Bad file descriptor) [pid 1727] close(9ci2-android-5-15/strace-static-x86_64: Process 1728 attached ) = -1 EBADF (Bad file descriptor) [pid 1728] set_robust_list(0x55555bb49760, 24 [pid 1727] close(10 [pid 1728] <... set_robust_list resumed>) = 0 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 288 [pid 1728] rt_sigprocmask(SIG_SETMASK, [] [pid 1727] close(11 [pid 1728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1728] chdir("./286" [pid 1727] close(12 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1728] <... chdir resumed>) = 0 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1727] close(13 [pid 1728] <... prctl resumed>) = 0 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1728] setpgid(0, 0 [pid 1727] close(14 [pid 310] <... restart_syscall resumed>) = 0 [pid 1728] <... setpgid resumed>) = 0 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1728] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1727] close(15) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./278", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1727] close(16 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 1728] <... symlink resumed>) = 0 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1728] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1727] close(17 [pid 310] <... openat resumed>) = 3 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 1728] <... symlink resumed>) = 0 [pid 1727] close(18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1728] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1728] <... symlink resumed>) = 0 [pid 1727] close(19 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./274", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1727] close(20 [pid 1728] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 1728] write(3, "1000", 4 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1728] <... write resumed>) = 4 [pid 1727] close(21 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1728] close(3 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./278/config" [pid 309] <... openat resumed>) = 3 [pid 1728] <... close resumed>) = 0 [pid 1727] close(22 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 1728] symlink("/dev/binderfs", "./binderfs" [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1727] close(23 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1728] <... symlink resumed>) = 0 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./278/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1728] write(1, "executing program\n", 18 [pid 1727] close(24 [pid 310] <... openat resumed>) = 4 [pid 309] getdents64(3 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(4 [pid 1728] <... write resumed>) = 18 [pid 1727] close(25 executing program [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1728] mkdirat(AT_FDCWD, "./config", 0777 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1728] <... mkdirat resumed>) = 0 [pid 1727] close(26 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1728] mount(NULL, "./config", "configfs", 0, NULL [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = 0 [pid 1728] <... mount resumed>) = 0 [pid 1727] close(27 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 1728] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1727] close(28 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./278/config" [pid 309] newfstatat(AT_FDCWD, "./274/config" [pid 1728] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1727] close(29 [pid 310] <... rmdir resumed>) = 0 [pid 1728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./278/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1727] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1728] <... mkdirat resumed>) = 0 [pid 1727] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./278/binderfs" [pid 1728] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1727] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./274/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./278/binderfs") = 0 [pid 1728] <... symlinkat resumed>) = 0 [pid 310] umount2("./278/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1728] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] umount2("./281", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1728] <... unlinkat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./278/cgroup.net" [pid 1728] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./274/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./278/cgroup.net" [pid 1728] <... unlinkat resumed>) = 0 [pid 313] umount2("./290", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 1728] close(3 [pid 309] <... openat resumed>) = 4 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(3 [pid 310] umount2("./278/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1728] close(4 [pid 313] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./278/cgroup.cpu" [pid 1728] close(5 [pid 313] fstat(3 [pid 311] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] unlink("./278/cgroup.cpu" [pid 309] getdents64(4 [pid 1728] close(6 [pid 313] getdents64(3 [pid 311] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./278/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1728] close(7 [pid 313] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./278/cgroup" [pid 309] getdents64(4 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 311] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1728] close(8 [pid 313] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./278/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./281/config" [pid 310] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1728] close(9 [pid 313] newfstatat(AT_FDCWD, "./290/config" [pid 310] getdents64(3 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 1728] close(10 [pid 313] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] rmdir("./274/config" [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1728] close(11 [pid 313] openat(AT_FDCWD, "./290/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] openat(AT_FDCWD, "./281/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./278" [pid 309] <... rmdir resumed>) = 0 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 311] <... openat resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./274/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1728] close(12 [pid 313] fstat(4 [pid 311] fstat(4 [pid 310] mkdir("./279", 0777 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1728] close(13 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./274/binderfs" [pid 1728] close(14 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1729 attached [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1728] close(15 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 281 [pid 1729] set_robust_list(0x55555bb49760, 24 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] close(4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./274/binderfs" [pid 1729] <... set_robust_list resumed>) = 0 [pid 1728] close(16 [pid 313] <... close resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1729] rt_sigprocmask(SIG_SETMASK, [] [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./290/config" [pid 311] rmdir("./281/config" [pid 309] umount2("./274/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1729] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1728] close(17 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1729] chdir("./279" [pid 1728] close(18 [pid 313] umount2("./290/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1729] <... chdir resumed>) = 0 [pid 311] umount2("./281/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./274/cgroup.net" [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1728] close(19 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1729] <... prctl resumed>) = 0 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./290/binderfs" [pid 311] newfstatat(AT_FDCWD, "./281/binderfs" [pid 309] unlink("./274/cgroup.net" [pid 1729] setpgid(0, 0 [pid 1728] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1729] <... setpgid resumed>) = 0 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./290/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1729] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 311] unlink("./281/binderfs" [pid 1728] close(21 [pid 313] <... unlink resumed>) = 0 [pid 1729] <... symlink resumed>) = 0 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./274/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1729] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1728] close(22 [pid 313] umount2("./290/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./281/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1729] <... symlink resumed>) = 0 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1729] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1728] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./274/cgroup.cpu" [pid 1729] <... symlink resumed>) = 0 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./290/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./281/cgroup.net" [pid 1728] close(24 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./274/cgroup.cpu" [pid 1729] <... openat resumed>) = 3 [pid 1728] close(25 [pid 313] unlink("./290/cgroup.net" [pid 311] unlink("./281/cgroup.net" [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1728] close(26 [pid 313] umount2("./290/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./281/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1729] write(3, "1000", 4 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./274/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1729] <... write resumed>) = 4 [pid 1728] close(27 [pid 313] newfstatat(AT_FDCWD, "./290/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1729] close(3 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1729] <... close resumed>) = 0 [pid 1728] close(28 [pid 313] unlink("./290/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./281/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./274/cgroup" [pid 1729] symlink("/dev/binderfs", "./binderfs" [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1728] close(29 [pid 313] umount2("./290/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./281/cgroup.cpu" [pid 1729] <... symlink resumed>) = 0 [pid 1728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./274/cgroup" [pid 1729] write(1, "executing program\n", 18 [pid 311] <... unlink resumed>) = 0 [pid 1728] exit_group(0 [pid 311] umount2("./281/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1729] <... write resumed>) = 18 [pid 1728] <... exit_group resumed>) = ? [pid 313] newfstatat(AT_FDCWD, "./290/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1729] mkdirat(AT_FDCWD, "./config", 0777 [pid 1728] +++ exited with 0 +++ [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./281/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1729] <... mkdirat resumed>) = 0 executing program [pid 313] unlink("./290/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1729] mount(NULL, "./config", "configfs", 0, NULL [pid 309] close(3 [pid 313] <... unlink resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] unlink("./281/cgroup" [pid 1729] <... mount resumed>) = 0 [pid 313] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] getdents64(3 [pid 309] rmdir("./274" [pid 1729] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... close resumed>) = 0 [pid 311] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 1729] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rmdir("./290" [pid 311] <... close resumed>) = 0 [pid 309] mkdir("./275", 0777 [pid 1729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 313] mkdir("./291", 0777 [pid 311] rmdir("./281" [pid 1729] <... mkdirat resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1729] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] mkdir("./282", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1729] <... symlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1730 attached [pid 1730] set_robust_list(0x55555bb49760, 24 [pid 1729] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 277 [pid 1730] <... set_robust_list resumed>) = 0 [pid 1729] <... unlinkat resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1730] rt_sigprocmask(SIG_SETMASK, [] [pid 1729] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1730] chdir("./275") = 0 [pid 1730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ci2-android-5-15/strace-static-x86_64: Process 1731 attached [pid 1730] setpgid(0, 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1731] set_robust_list(0x55555bb49760, 24 [pid 1730] <... setpgid resumed>) = 0 [pid 1729] <... unlinkat resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 293 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1731] <... set_robust_list resumed>) = 0 [pid 1730] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1729] close(3 [pid 1731] rt_sigprocmask(SIG_SETMASK, [] [pid 1730] <... symlink resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1731] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1730] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1732 attached [pid 1731] chdir("./291" [pid 1730] <... symlink resumed>) = 0 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1732] set_robust_list(0x55555bb49760, 24 [pid 1731] <... chdir resumed>) = 0 [pid 1730] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1729] close(4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 284 [pid 1732] <... set_robust_list resumed>) = 0 [pid 1731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1730] <... symlink resumed>) = 0 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... prctl resumed>) = 0 [pid 1730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1732] rt_sigprocmask(SIG_SETMASK, [] [pid 1731] setpgid(0, 0 [pid 1730] <... openat resumed>) = 3 [pid 1729] close(5 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1732] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1731] <... setpgid resumed>) = 0 [pid 1730] write(3, "1000", 4 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] chdir("./282" [pid 1731] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1730] <... write resumed>) = 4 [pid 1729] close(6 [pid 1732] <... chdir resumed>) = 0 [pid 1731] <... symlink resumed>) = 0 [pid 1730] close(3 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1731] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1730] <... close resumed>) = 0 [pid 1729] close(7 [pid 312] umount2("./286", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1732] <... prctl resumed>) = 0 [pid 1731] <... symlink resumed>) = 0 [pid 1730] symlink("/dev/binderfs", "./binderfs" [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1732] setpgid(0, 0 [pid 1731] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1730] <... symlink resumed>) = 0 [pid 1729] close(8 [pid 312] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1732] <... setpgid resumed>) = 0 [pid 1731] <... symlink resumed>) = 0 [pid 1730] write(1, "executing program\n", 18 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1730] <... write resumed>) = 18 [pid 1729] close(9 [pid 312] <... openat resumed>) = 3 [pid 1732] <... symlink resumed>) = 0 [pid 1731] <... openat resumed>) = 3 [pid 1730] mkdirat(AT_FDCWD, "./config", 0777 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1732] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1731] write(3, "1000", 4 [pid 1730] <... mkdirat resumed>) = 0 [pid 1729] close(10 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1732] <... symlink resumed>) = 0 [pid 1731] <... write resumed>) = 4 [pid 1730] mount(NULL, "./config", "configfs", 0, NULL [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1731] close(3 [pid 1730] <... mount resumed>) = 0 [pid 312] getdents64(3 [pid 1732] <... symlink resumed>) = 0 [pid 1731] <... close resumed>) = 0 [pid 1730] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1729] close(11 [pid 1732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1731] symlink("/dev/binderfs", "./binderfs" [pid 1730] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1732] <... openat resumed>) = 3 [pid 1731] <... symlink resumed>) = 0 [pid 1730] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1729] close(12 [pid 312] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1732] write(3, "1000", 4 [pid 1731] write(1, "executing program\n", 18 [pid 1730] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] <... write resumed>) = 4 [pid 1731] <... write resumed>) = 18 executing program executing program [pid 1730] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1729] close(13 [pid 312] <... umount2 resumed>) = 0 [pid 1732] close(3 [pid 1731] mkdirat(AT_FDCWD, "./config", 0777 [pid 1730] <... mkdirat resumed>) = 0 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1732] <... close resumed>) = 0 [pid 1731] <... mkdirat resumed>) = 0 [pid 1730] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1729] close(14 [pid 1731] mount(NULL, "./config", "configfs", 0, NULL [pid 1730] <... symlinkat resumed>) = 0 [pid 1732] symlink("/dev/binderfs", "./binderfs" [pid 1731] <... mount resumed>) = 0 [pid 1730] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1732] <... symlink resumed>) = 0 [pid 1731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1730] <... unlinkat resumed>) = 0 [pid 1732] write(1, "executing program\n", 18 [pid 1731] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1730] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1729] close(15 [pid 312] newfstatat(AT_FDCWD, "./286/config" [pid 1732] <... write resumed>) = 18 [pid 1731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1730] <... unlinkat resumed>) = 0 [pid 1732] mkdirat(AT_FDCWD, "./config", 0777 [pid 1731] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1730] close(3 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1732] <... mkdirat resumed>) = 0 [pid 1731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] close(16 [pid 312] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1732] mount(NULL, "./config", "configfs", 0, NULL [pid 1731] <... mkdirat resumed>) = 0 [pid 1730] close(4 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] <... mount resumed>) = 0 [pid 1731] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] close(17 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1731] <... symlinkat resumed>) = 0 [pid 1730] close(5 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./286/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1732] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1731] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] close(18 [pid 1732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1731] <... unlinkat resumed>) = 0 [pid 1730] close(6 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1732] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1731] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] close(19 [pid 1732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1731] <... unlinkat resumed>) = 0 [pid 1730] close(7 [pid 312] fstat(4 [pid 1731] close(3 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(8 [pid 1731] close(4 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] <... mkdirat resumed>) = 0 [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(9 [pid 1729] close(20 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1732] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1731] close(5 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1732] <... symlinkat resumed>) = 0 [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(10 [pid 1729] close(21 [pid 1732] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1731] close(6 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1732] <... unlinkat resumed>) = 0 [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(11 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1732] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1731] close(7 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] close(22 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(12 [pid 1731] close(8 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] <... unlinkat resumed>) = 0 [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(13 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1732] close(3 [pid 1731] close(9 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] close(23 [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(14 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1732] close(4 [pid 1731] close(10 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] close(24 [pid 312] rmdir("./286/config" [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(15 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] close(5 [pid 1731] close(11 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] close(25 [pid 312] <... rmdir resumed>) = 0 [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(16 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./286/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1732] close(6 [pid 1731] close(12 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] close(26 [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(17 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1732] close(7 [pid 1731] close(13 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] close(27 [pid 312] newfstatat(AT_FDCWD, "./286/binderfs" [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(18 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] close(8 [pid 1731] close(14 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(19 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./286/binderfs" [pid 1732] close(9 [pid 1731] close(15 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] close(29 [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(20 [pid 1729] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1732] close(10 [pid 1731] close(16 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(21 [pid 1729] exit_group(0 [pid 312] umount2("./286/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1732] close(11 [pid 1731] close(17 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(22 [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] close(18 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1729] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1732] close(12 [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(23 [pid 1731] close(19 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(24 [pid 1731] close(20 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(25 [pid 1731] close(21 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(26 [pid 1729] +++ exited with 0 +++ [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] close(22 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./286/cgroup.net" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1732] close(13 [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(27 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] close(23 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./286/cgroup.net" [pid 1732] close(14 [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(28 [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] close(24 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1732] close(15 [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] close(29 [pid 312] umount2("./286/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] close(25 [pid 1730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] close(16 [pid 1730] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] close(26 [pid 1730] <... exit_group resumed>) = ? [pid 1732] close(17 [pid 1731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1730] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./286/cgroup.cpu" [pid 1731] close(27) = -1 EBADF (Bad file descriptor) [pid 1731] close(28) = -1 EBADF (Bad file descriptor) [pid 1731] close(29) = -1 EBADF (Bad file descriptor) [pid 1731] exit_group(0) = ? [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1731] +++ exited with 0 +++ [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1732] close(18 [pid 312] unlink("./286/cgroup.cpu" [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1732] close(19 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./286/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1732] close(20 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./286/cgroup" [pid 1732] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] close(22 [pid 312] unlink("./286/cgroup" [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1732] close(23 [pid 312] <... unlink resumed>) = 0 [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1732] close(24 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 1732] close(25 [pid 312] <... close resumed>) = 0 [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./286" [pid 1732] close(26) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1732] close(27 [pid 312] mkdir("./287", 0777 [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 1732] close(28 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1732] close(29 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1732] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1733 attached [pid 1732] exit_group(0 [pid 1733] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 289 [pid 1732] <... exit_group resumed>) = ? [pid 1733] <... set_robust_list resumed>) = 0 [pid 1733] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1733] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1733] chdir("./287") = 0 [pid 1733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1733] setpgid(0, 0) = 0 [pid 1732] +++ exited with 0 +++ [pid 1733] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1733] <... symlink resumed>) = 0 [pid 1733] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1733] <... symlink resumed>) = 0 [pid 1733] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1733] write(3, "1000", 4) = 4 [pid 1733] close(3) = 0 [pid 1733] symlink("/dev/binderfs", "./binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 1733] <... symlink resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 executing program [pid 1733] write(1, "executing program\n", 18) = 18 [pid 313] umount2("./291", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./275", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] <... mkdirat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1733] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] fstat(3 [pid 1733] <... mount resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] getdents64(3 [pid 1733] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... openat resumed>) = 3 [pid 313] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] fstat(3 [pid 313] <... umount2 resumed>) = 0 [pid 1733] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./291/config" [pid 309] getdents64(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1733] <... mkdirat resumed>) = 0 [pid 313] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./282", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 1733] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] openat(AT_FDCWD, "./291/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1733] <... symlinkat resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 311] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] fstat(4 [pid 311] <... openat resumed>) = 3 [pid 310] umount2("./279", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] <... unlinkat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] fstat(3 [pid 309] <... umount2 resumed>) = 0 [pid 1733] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] getdents64(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1733] <... unlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 311] getdents64(3 [pid 310] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1733] close(3 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./275/config" [pid 1733] close(4 [pid 313] <... close resumed>) = 0 [pid 313] rmdir("./291/config" [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 310] fstat(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1733] close(5 [pid 313] <... rmdir resumed>) = 0 [pid 311] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] umount2("./275/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./291/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1733] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./282/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./291/binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1733] close(7 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./275/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./291/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1733] close(8 [pid 313] <... unlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./282/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./291/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./291/cgroup.net" [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1733] close(10 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./279/config" [pid 309] getdents64(4 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./291/cgroup.net" [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1733] close(11 [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./291/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 309] getdents64(4 [pid 1733] close(12 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./291/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./279/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1733] close(13 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(4 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./291/cgroup.cpu" [pid 310] <... openat resumed>) = 4 [pid 309] close(4 [pid 1733] close(14 [pid 313] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 310] fstat(4 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./291/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./282/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 1733] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./291/cgroup" [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 309] rmdir("./275/config" [pid 1733] close(16 [pid 313] unlink("./291/cgroup" [pid 311] umount2("./282/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... rmdir resumed>) = 0 [pid 1733] close(17 [pid 313] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 309] umount2("./275/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 311] newfstatat(AT_FDCWD, "./282/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1733] close(18 [pid 313] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./291" [pid 310] close(4 [pid 309] newfstatat(AT_FDCWD, "./275/binderfs" [pid 311] unlink("./282/binderfs" [pid 1733] close(19 [pid 313] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./292", 0777 [pid 311] <... unlink resumed>) = 0 [pid 1733] close(20 [pid 313] <... mkdir resumed>) = 0 [pid 310] rmdir("./279/config" [pid 309] unlink("./275/binderfs" [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./282/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1733] close(21 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./279/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1734 attached [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./282/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./275/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1734] set_robust_list(0x55555bb49760, 24 [pid 1733] close(22 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 294 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./279/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1734] <... set_robust_list resumed>) = 0 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] unlink("./282/cgroup.net" [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./275/cgroup.net" [pid 1734] rt_sigprocmask(SIG_SETMASK, [] [pid 1733] close(23 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./279/binderfs" [pid 1734] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./282/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1734] chdir("./292" [pid 1733] close(24 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./275/cgroup.net" [pid 1734] <... chdir resumed>) = 0 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./279/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1733] close(25 [pid 311] newfstatat(AT_FDCWD, "./282/cgroup.cpu" [pid 309] <... unlink resumed>) = 0 [pid 1734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1734] <... prctl resumed>) = 0 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./279/cgroup.net" [pid 309] umount2("./275/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1734] setpgid(0, 0 [pid 1733] close(26 [pid 311] unlink("./282/cgroup.cpu" [pid 1734] <... setpgid resumed>) = 0 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1734] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1733] close(27 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./279/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./275/cgroup.cpu" [pid 1734] <... symlink resumed>) = 0 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./282/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1734] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1733] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./279/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./275/cgroup.cpu" [pid 1734] <... symlink resumed>) = 0 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./282/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1734] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1733] close(29 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./279/cgroup.cpu" [pid 1734] <... symlink resumed>) = 0 [pid 1733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./282/cgroup" [pid 309] umount2("./275/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1733] exit_group(0 [pid 311] <... unlink resumed>) = 0 [pid 1733] <... exit_group resumed>) = ? [pid 310] unlink("./279/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1734] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./275/cgroup" [pid 311] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 1733] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1734] write(3, "1000", 4 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] close(3 [pid 310] umount2("./279/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./275/cgroup" [pid 1734] <... write resumed>) = 4 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1734] close(3 [pid 311] rmdir("./282" [pid 309] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./279/cgroup" [pid 1734] <... close resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 311] mkdir("./283", 0777 [pid 1734] symlink("/dev/binderfs", "./binderfs" [pid 310] unlink("./279/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] close(3 [pid 1734] <... symlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 1734] write(1, "executing program\n", 18 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./275" [pid 1734] <... write resumed>) = 18 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1735 attached executing program [pid 310] rmdir("./279" [pid 1734] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] mkdir("./276", 0777 [pid 1735] set_robust_list(0x55555bb49760, 24 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 285 [pid 310] <... rmdir resumed>) = 0 [pid 1735] <... set_robust_list resumed>) = 0 [pid 1734] <... mkdirat resumed>) = 0 [pid 1735] rt_sigprocmask(SIG_SETMASK, [] [pid 1734] mount(NULL, "./config", "configfs", 0, NULL [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./280", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 1735] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1734] <... mount resumed>) = 0 [pid 1735] chdir("./283" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1735] <... chdir resumed>) = 0 [pid 1734] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1735] <... prctl resumed>) = 0 [pid 1734] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1735] setpgid(0, 0) = 0 [pid 1735] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 1735] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1736 attached ) = 0 [pid 1736] set_robust_list(0x55555bb49760, 24 [pid 1735] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1736] <... set_robust_list resumed>) = 0 [pid 1735] <... symlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1737 attached [pid 1736] rt_sigprocmask(SIG_SETMASK, [] [pid 1735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 278 [pid 1737] set_robust_list(0x55555bb49760, 24 [pid 1736] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1735] <... openat resumed>) = 3 [pid 1736] chdir("./276" [pid 1735] write(3, "1000", 4 [pid 1737] <... set_robust_list resumed>) = 0 [pid 1736] <... chdir resumed>) = 0 [pid 1735] <... write resumed>) = 4 [pid 1734] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 282 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1737] rt_sigprocmask(SIG_SETMASK, [] [pid 1736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1735] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1734] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1737] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1736] <... prctl resumed>) = 0 [pid 1735] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1736] setpgid(0, 0 [pid 1735] symlink("/dev/binderfs", "./binderfs" [pid 1734] <... symlinkat resumed>) = 0 [pid 1737] chdir("./280" [pid 1736] <... setpgid resumed>) = 0 [pid 1735] <... symlink resumed>) = 0 [pid 1734] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1737] <... chdir resumed>) = 0 [pid 1736] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1735] write(1, "executing program\n", 18 executing program [pid 1737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1736] <... symlink resumed>) = 0 [pid 1735] <... write resumed>) = 18 [pid 1734] <... unlinkat resumed>) = 0 [pid 1737] <... prctl resumed>) = 0 [pid 1736] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1735] mkdirat(AT_FDCWD, "./config", 0777 [pid 1734] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1737] setpgid(0, 0 [pid 1736] <... symlink resumed>) = 0 [pid 1735] <... mkdirat resumed>) = 0 [pid 1736] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1735] mount(NULL, "./config", "configfs", 0, NULL [pid 1737] <... setpgid resumed>) = 0 [pid 1736] <... symlink resumed>) = 0 [pid 1735] <... mount resumed>) = 0 [pid 1734] <... unlinkat resumed>) = 0 [pid 312] umount2("./287", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1737] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1737] <... symlink resumed>) = 0 [pid 1736] <... openat resumed>) = 3 [pid 1735] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1734] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1737] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1736] write(3, "1000", 4 [pid 1735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1737] <... symlink resumed>) = 0 [pid 1736] <... write resumed>) = 4 [pid 1735] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1737] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1736] close(3 [pid 1735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1734] close(4 [pid 1737] <... symlink resumed>) = 0 [pid 1736] <... close resumed>) = 0 [pid 1735] <... mkdirat resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 1737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1736] symlink("/dev/binderfs", "./binderfs" [pid 1735] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1737] <... openat resumed>) = 3 [pid 1736] <... symlink resumed>) = 0 [pid 1735] <... symlinkat resumed>) = 0 [pid 1734] close(5 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1737] write(3, "1000", 4 [pid 1736] write(1, "executing program\n", 18 executing program [pid 1735] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1737] <... write resumed>) = 4 [pid 1736] <... write resumed>) = 18 [pid 1735] <... unlinkat resumed>) = 0 [pid 312] getdents64(3 [pid 1737] close(3 [pid 1736] mkdirat(AT_FDCWD, "./config", 0777 [pid 1735] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1734] close(6 [pid 1737] <... close resumed>) = 0 [pid 1736] <... mkdirat resumed>) = 0 [pid 1735] <... unlinkat resumed>) = 0 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1737] symlink("/dev/binderfs", "./binderfs" [pid 1736] mount(NULL, "./config", "configfs", 0, NULL [pid 1735] close(3 [pid 1734] close(7 [pid 312] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1737] <... symlink resumed>) = 0 [pid 1736] <... mount resumed>) = 0 [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1737] write(1, "executing program\n", 18 executing program [pid 1736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1735] close(4 [pid 1734] close(8 [pid 312] <... umount2 resumed>) = 0 [pid 1737] <... write resumed>) = 18 [pid 1736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1735] close(5 [pid 1737] mkdirat(AT_FDCWD, "./config", 0777 [pid 1736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] close(9 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1737] <... mkdirat resumed>) = 0 [pid 1736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1735] close(6 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./287/config" [pid 1737] mount(NULL, "./config", "configfs", 0, NULL [pid 1736] <... mkdirat resumed>) = 0 [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] close(10 [pid 1737] <... mount resumed>) = 0 [pid 1736] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1735] close(7 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1736] <... symlinkat resumed>) = 0 [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1736] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1735] close(8 [pid 1734] close(11 [pid 312] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1736] <... unlinkat resumed>) = 0 [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1735] close(9 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1736] <... unlinkat resumed>) = 0 [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] close(12 [pid 1737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1736] close(3 [pid 1735] close(10 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./287/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1737] <... mkdirat resumed>) = 0 [pid 1736] close(4 [pid 1735] close(11 [pid 1734] close(13 [pid 1737] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1736] close(5 [pid 1735] close(12 [pid 1737] <... symlinkat resumed>) = 0 [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] close(14 [pid 312] fstat(4 [pid 1737] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1736] close(6 [pid 1735] close(13 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1737] <... unlinkat resumed>) = 0 [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] close(15 [pid 312] getdents64(4 [pid 1737] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1736] close(7 [pid 1735] close(14 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1737] <... unlinkat resumed>) = 0 [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] close(16 [pid 1737] close(3 [pid 1736] close(8 [pid 1735] close(15 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1737] close(4 [pid 1736] close(9 [pid 1735] close(16 [pid 1734] close(17 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1737] close(5 [pid 1736] close(10 [pid 1735] close(17 [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] close(18 [pid 312] <... close resumed>) = 0 [pid 1737] close(6 [pid 1736] close(11 [pid 1735] close(18 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./287/config" [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] close(12 [pid 1735] close(19 [pid 1734] close(19 [pid 312] <... rmdir resumed>) = 0 [pid 1737] close(7 [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./287/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] close(13 [pid 1735] close(20 [pid 1734] close(20 [pid 1737] close(8 [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] close(14 [pid 1735] close(21 [pid 1734] close(21 [pid 1737] close(9 [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./287/binderfs" [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] close(15 [pid 1735] close(22 [pid 1734] close(22 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1737] close(10 [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./287/binderfs" [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] close(16 [pid 1735] close(23 [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] close(23 [pid 1737] close(11 [pid 1736] close(17 [pid 1735] close(24 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] close(24 [pid 312] umount2("./287/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1737] close(12 [pid 1736] close(18 [pid 1735] close(25 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1737] close(13 [pid 1736] close(19 [pid 1735] close(26 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./287/cgroup.net" [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] close(26 [pid 1736] close(20 [pid 1735] close(27 [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] close(21 [pid 1735] close(28 [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1737] close(14 [pid 1736] close(22 [pid 1735] close(29 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./287/cgroup.net" [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] close(27 [pid 1737] close(15 [pid 1736] close(23 [pid 1735] exit_group(0 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1735] <... exit_group resumed>) = ? [pid 1734] close(28 [pid 312] umount2("./287/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1737] close(16 [pid 1736] close(24 [pid 1735] +++ exited with 0 +++ [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] close(25) = -1 EBADF (Bad file descriptor) [pid 1736] close(26) = -1 EBADF (Bad file descriptor) [pid 1736] close(27) = -1 EBADF (Bad file descriptor) [pid 1736] close(28) = -1 EBADF (Bad file descriptor) [pid 1736] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] close(29 [pid 312] newfstatat(AT_FDCWD, "./287/cgroup.cpu" [pid 1737] close(17 [pid 1736] exit_group(0 [pid 1734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1736] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1737] close(18 [pid 1736] +++ exited with 0 +++ [pid 1734] exit_group(0 [pid 312] unlink("./287/cgroup.cpu" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1734] <... exit_group resumed>) = ? [pid 312] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1737] close(19 [pid 1734] +++ exited with 0 +++ [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1737] close(20 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./287/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1737] close(21 [pid 312] newfstatat(AT_FDCWD, "./287/cgroup" [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1737] close(22 [pid 312] unlink("./287/cgroup" [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1737] close(23 [pid 312] getdents64(3 [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1737] close(24 [pid 312] close(3 [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1737] close(25 [pid 312] rmdir("./287" [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1737] close(26 [pid 312] <... rmdir resumed>) = 0 [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./288", 0777 [pid 1737] close(27) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 1737] close(28 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1737] close(29 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1737] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1738 attached [pid 1737] exit_group(0 [pid 1738] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 290 [pid 1738] <... set_robust_list resumed>) = 0 [pid 1737] <... exit_group resumed>) = ? [pid 1738] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1738] chdir("./288") = 0 [pid 1738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1738] setpgid(0, 0) = 0 [pid 1738] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 1737] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1738] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 1738] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] umount2("./283", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1738] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1738] write(3, "1000", 4) = 4 [pid 1738] close(3 [pid 311] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1738] <... close resumed>) = 0 [pid 1738] symlink("/dev/binderfs", "./binderfs" [pid 311] <... openat resumed>) = 3 [pid 1738] <... symlink resumed>) = 0 [pid 1738] write(1, "executing program\n", 18) = 18 [pid 311] fstat(3 [pid 1738] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1738] mount(NULL, "./config", "configfs", 0, NULL [pid 311] getdents64(3 [pid 1738] <... mount resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1738] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... umount2 resumed>) = 0 [pid 1738] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1738] <... mkdirat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./283/config" [pid 1738] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1738] <... symlinkat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1738] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1738] <... unlinkat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./283/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 1738] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] fstat(4 [pid 310] umount2("./280", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1738] <... unlinkat resumed>) = 0 [pid 311] getdents64(4 [pid 309] umount2("./276", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1738] close(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1738] close(4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 310] <... openat resumed>) = 3 [pid 1738] close(5 [pid 311] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./283/config" [pid 310] fstat(3 [pid 309] fstat(3 [pid 1738] close(6 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 311] umount2("./283/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1738] close(7 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./283/binderfs" [pid 309] getdents64(3 [pid 1738] close(8 [pid 313] umount2("./292", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./283/binderfs" [pid 310] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1738] close(9 [pid 313] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... unlink resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] umount2("./283/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./283/cgroup.net" [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1738] close(10 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] unlink("./283/cgroup.net" [pid 310] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1738] close(11 [pid 313] <... umount2 resumed>) = 0 [pid 311] umount2("./283/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./280/config" [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1738] close(12 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./283/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./276/config" [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./292/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1738] close(13 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./283/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./276/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1738] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./283/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./280/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./292/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1738] close(15 [pid 313] <... openat resumed>) = 4 [pid 311] newfstatat(AT_FDCWD, "./283/cgroup" [pid 310] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./276/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 1738] close(16 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] unlink("./283/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] fstat(4 [pid 1738] close(17 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 1738] close(18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] <... close resumed>) = 0 [pid 310] close(4 [pid 309] getdents64(4 [pid 1738] close(19 [pid 313] <... close resumed>) = 0 [pid 311] rmdir("./283" [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./292/config" [pid 311] <... rmdir resumed>) = 0 [pid 310] rmdir("./280/config" [pid 1738] close(20 [pid 313] <... rmdir resumed>) = 0 [pid 311] mkdir("./284", 0777 [pid 309] close(4 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./292/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... mkdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 executing program [pid 1738] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./280/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./292/binderfs" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./276/config" [pid 1738] close(22 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./280/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1739 attached [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./292/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1739] set_robust_list(0x55555bb49760, 24 [pid 1738] close(23 [pid 313] <... unlink resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 286 [pid 310] unlink("./280/binderfs" [pid 309] umount2("./276/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1739] <... set_robust_list resumed>) = 0 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./292/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1738] close(24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1739] rt_sigprocmask(SIG_SETMASK, [] [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./292/cgroup.net" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./280/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./276/binderfs" [pid 1739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1738] close(25 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1739] chdir("./284" [pid 313] unlink("./292/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1739] <... chdir resumed>) = 0 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./280/cgroup.net" [pid 309] unlink("./276/binderfs" [pid 1739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1738] close(26 [pid 313] umount2("./292/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1739] <... prctl resumed>) = 0 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./280/cgroup.net" [pid 309] <... unlink resumed>) = 0 [pid 1739] setpgid(0, 0 [pid 1738] close(27 [pid 313] newfstatat(AT_FDCWD, "./292/cgroup.cpu" [pid 1739] <... setpgid resumed>) = 0 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./276/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1739] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1738] close(28 [pid 313] unlink("./292/cgroup.cpu" [pid 310] umount2("./280/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1739] <... symlink resumed>) = 0 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1739] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1738] close(29 [pid 313] umount2("./292/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./276/cgroup.net" [pid 1739] <... symlink resumed>) = 0 [pid 1738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./280/cgroup.cpu" [pid 1739] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1738] exit_group(0 [pid 313] newfstatat(AT_FDCWD, "./292/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1739] <... symlink resumed>) = 0 [pid 1738] <... exit_group resumed>) = ? [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./276/cgroup.net" [pid 1739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] unlink("./292/cgroup") = 0 [pid 313] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] close(3) = 0 [pid 313] rmdir("./292" [pid 1738] +++ exited with 0 +++ [pid 313] <... rmdir resumed>) = 0 [pid 310] unlink("./280/cgroup.cpu" [pid 313] mkdir("./293", 0777 [pid 309] <... unlink resumed>) = 0 [pid 1739] <... openat resumed>) = 3 [pid 313] <... mkdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./276/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1739] write(3, "1000", 4 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./280/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1739] <... write resumed>) = 4 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1739] close(3 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./276/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1740 attached [pid 1739] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./280/cgroup" [pid 1740] set_robust_list(0x55555bb49760, 24 [pid 1739] symlink("/dev/binderfs", "./binderfs" [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 295 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1740] <... set_robust_list resumed>) = 0 [pid 1739] <... symlink resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./276/cgroup.cpu" [pid 1740] rt_sigprocmask(SIG_SETMASK, [] [pid 1739] write(1, "executing program\n", 18 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./280/cgroup" [pid 1740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1739] <... write resumed>) = 18 [pid 309] <... unlink resumed>) = 0 [pid 1740] chdir("./293" [pid 310] <... unlink resumed>) = 0 [pid 1739] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./276/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1740] <... chdir resumed>) = 0 [pid 1739] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1739] mount(NULL, "./config", "configfs", 0, NULL [pid 310] close(3 [pid 309] newfstatat(AT_FDCWD, "./276/cgroup" [pid 1739] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1740] <... prctl resumed>) = 0 [pid 1739] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... close resumed>) = 0 [pid 309] unlink("./276/cgroup" [pid 1740] setpgid(0, 0 [pid 1739] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./280" [pid 1740] <... setpgid resumed>) = 0 [pid 1739] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1740] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1739] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./281", 0777 [pid 309] getdents64(3 [pid 1740] <... symlink resumed>) = 0 [pid 1739] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1739] <... mkdirat resumed>) = 0 [pid 309] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1740] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1739] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1740] <... symlink resumed>) = 0 [pid 309] rmdir("./276" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1739] <... symlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1741 attached [pid 1740] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1739] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] mkdir("./277", 0777 [pid 1741] set_robust_list(0x55555bb49760, 24 [pid 1740] <... symlink resumed>) = 0 [pid 1741] <... set_robust_list resumed>) = 0 [pid 1741] rt_sigprocmask(SIG_SETMASK, [] [pid 1740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1739] <... unlinkat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 283 [pid 309] <... mkdir resumed>) = 0 [pid 1741] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1741] chdir("./281") = 0 [pid 1741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1740] <... openat resumed>) = 3 [pid 1739] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1741] <... prctl resumed>) = 0 [pid 1740] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1741] setpgid(0, 0 [pid 1740] <... write resumed>) = 4 [pid 1739] <... unlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1741] <... setpgid resumed>) = 0 [pid 1740] close(3 [pid 1739] close(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1741] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 1740] <... close resumed>) = 0 [pid 1741] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 1741] symlink("/syzcgroup/net/syz0", "./cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1742 attached ) = 0 [pid 1740] symlink("/dev/binderfs", "./binderfs" [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1742] set_robust_list(0x55555bb49760, 24 [pid 1741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1742] <... set_robust_list resumed>) = 0 [pid 1741] <... openat resumed>) = 3 [pid 1740] <... symlink resumed>) = 0 [pid 1739] close(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 279 [pid 1742] rt_sigprocmask(SIG_SETMASK, [] [pid 1741] write(3, "1000", 4 [pid 1742] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1741] <... write resumed>) = 4 [pid 1740] write(1, "executing program\n", 18 [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1742] chdir("./277" [pid 1741] close(3 [pid 1740] <... write resumed>) = 18 [pid 1739] close(5 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 312] umount2("./288", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1742] <... chdir resumed>) = 0 [pid 1741] <... close resumed>) = 0 [pid 1740] mkdirat(AT_FDCWD, "./config", 0777 [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1741] symlink("/dev/binderfs", "./binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1742] <... prctl resumed>) = 0 [pid 1741] <... symlink resumed>) = 0 [pid 1740] <... mkdirat resumed>) = 0 [pid 1739] close(6 [pid 312] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1742] setpgid(0, 0 [pid 1741] write(1, "executing program\n", 18 [pid 1740] mount(NULL, "./config", "configfs", 0, NULL [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] <... setpgid resumed>) = 0 [pid 1741] <... write resumed>) = 18 executing program [pid 312] <... openat resumed>) = 3 [pid 1742] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1741] mkdirat(AT_FDCWD, "./config", 0777 [pid 1740] <... mount resumed>) = 0 [pid 1739] close(7 [pid 1742] <... symlink resumed>) = 0 [pid 1741] <... mkdirat resumed>) = 0 [pid 1740] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1742] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1741] mount(NULL, "./config", "configfs", 0, NULL [pid 1742] <... symlink resumed>) = 0 [pid 1741] <... mount resumed>) = 0 [pid 1740] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1739] close(8 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1742] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1740] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1742] <... symlink resumed>) = 0 [pid 1741] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1740] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1742] <... openat resumed>) = 3 [pid 1741] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1740] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1739] close(9 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1742] write(3, "1000", 4 [pid 1741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1742] <... write resumed>) = 4 [pid 1741] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1740] <... mkdirat resumed>) = 0 [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1742] close(3 [pid 1741] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1740] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1739] close(10 [pid 1742] <... close resumed>) = 0 [pid 1741] <... symlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 1742] symlink("/dev/binderfs", "./binderfs" [pid 1741] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1740] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] <... symlink resumed>) = 0 [pid 1741] <... unlinkat resumed>) = 0 [pid 1740] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1739] close(11 [pid 312] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1742] write(1, "executing program\n", 18 executing program [pid 1741] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1740] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] <... write resumed>) = 18 [pid 1741] <... unlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1742] mkdirat(AT_FDCWD, "./config", 0777 [pid 1741] close(3 [pid 1742] <... mkdirat resumed>) = 0 [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1739] close(12 [pid 312] newfstatat(AT_FDCWD, "./288/config" [pid 1742] mount(NULL, "./config", "configfs", 0, NULL [pid 1741] close(4 [pid 1740] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] <... mount resumed>) = 0 [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1741] close(5 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] close(13 [pid 312] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(4 [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1741] close(6 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1739] close(14 [pid 1742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(5 [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./288/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1741] close(7 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] close(15 [pid 1742] <... mkdirat resumed>) = 0 [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(6 [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1742] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1741] close(8 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] close(16 [pid 312] fstat(4 [pid 1742] <... symlinkat resumed>) = 0 [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(7 [pid 1742] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1741] close(9 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1742] <... unlinkat resumed>) = 0 [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(8 [pid 1739] close(17 [pid 312] getdents64(4 [pid 1742] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1741] close(10 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1742] <... unlinkat resumed>) = 0 [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(9 [pid 1739] close(18 [pid 312] getdents64(4 [pid 1742] close(3 [pid 1741] close(11 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(10 [pid 1739] close(19 [pid 312] close(4 [pid 1742] close(4 [pid 1741] close(12 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(11 [pid 1739] close(20 [pid 312] <... close resumed>) = 0 [pid 1742] close(5 [pid 1741] close(13 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./288/config" [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(12 [pid 1739] close(21 [pid 1742] close(6 [pid 1741] close(14 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(13 [pid 1739] close(22 [pid 312] umount2("./288/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1742] close(7 [pid 1741] close(15 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1742] close(8 [pid 1741] close(16 [pid 1740] close(14 [pid 1739] close(23 [pid 312] newfstatat(AT_FDCWD, "./288/binderfs" [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] close(9 [pid 1741] close(17 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(15 [pid 1739] close(24 [pid 1742] close(10 [pid 1741] close(18 [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] close(11 [pid 1741] close(19 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./288/binderfs" [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(16 [pid 1739] close(25 [pid 1742] close(12 [pid 1741] close(20 [pid 312] <... unlink resumed>) = 0 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(17 [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./288/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1742] close(13 [pid 1741] close(21 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] close(26 [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(18 [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1742] close(14 [pid 1741] close(22 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] close(27 [pid 312] newfstatat(AT_FDCWD, "./288/cgroup.net" [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(19 [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] close(15 [pid 1741] close(23 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] close(28 [pid 312] unlink("./288/cgroup.net" [pid 1742] close(16 [pid 1741] close(24 [pid 1740] close(20 [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1742] close(17 [pid 1741] close(25 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1739] close(29 [pid 312] umount2("./288/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(21 [pid 1739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] close(18 [pid 1741] close(26 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(22 [pid 1739] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./288/cgroup.cpu" [pid 1742] close(19 [pid 1741] close(27 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] close(23 [pid 1739] <... exit_group resumed>) = ? [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1742] close(20 [pid 1741] close(28 [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] close(21 [pid 1741] close(29 [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] close(22 [pid 1741] exit_group(0 [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1741] <... exit_group resumed>) = ? [pid 1742] close(23 [pid 1741] +++ exited with 0 +++ [pid 1740] close(24 [pid 1739] +++ exited with 0 +++ [pid 312] unlink("./288/cgroup.cpu" [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] close(24 [pid 312] <... unlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1740] close(25 [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./288/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1742] close(25 [pid 1740] close(26 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./288/cgroup" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1742] close(26 [pid 1740] close(27 [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1742] close(27) = -1 EBADF (Bad file descriptor) [pid 1740] close(28 [pid 1742] close(28 [pid 312] unlink("./288/cgroup" [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] close(29 [pid 1740] close(29 [pid 312] <... unlink resumed>) = 0 [pid 1742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1742] exit_group(0 [pid 312] getdents64(3 [pid 1742] <... exit_group resumed>) = ? [pid 1742] +++ exited with 0 +++ [pid 1740] exit_group(0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1740] <... exit_group resumed>) = ? [pid 312] close(3 [pid 1740] +++ exited with 0 +++ [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] rmdir("./288") = 0 [pid 312] mkdir("./289", 0777) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1743 attached [pid 1743] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 291 [pid 1743] <... set_robust_list resumed>) = 0 [pid 1743] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1743] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1743] chdir("./289") = 0 [pid 1743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1743] setpgid(0, 0) = 0 [pid 1743] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 1743] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 1743] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 1743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1743] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1743] <... write resumed>) = 4 [pid 1743] close(3) = 0 [pid 1743] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./281", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1743] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1743] write(1, "executing program\n", 18 executing program [pid 310] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1743] <... write resumed>) = 18 [pid 310] <... openat resumed>) = 3 [pid 1743] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] fstat(3 [pid 1743] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1743] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(3 [pid 1743] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1743] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 1743] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1743] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./281/config" [pid 1743] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1743] <... symlinkat resumed>) = 0 [pid 310] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1743] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1743] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./281/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1743] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./277", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1743] <... unlinkat resumed>) = 0 [pid 310] fstat(4 [pid 1743] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1743] close(4 [pid 309] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1743] close(5 [pid 309] <... openat resumed>) = 3 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1743] close(6 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] fstat(3 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1743] close(7 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./284", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 309] getdents64(3 [pid 1743] close(8 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1743] close(9 [pid 311] <... openat resumed>) = 3 [pid 310] rmdir("./281/config" [pid 309] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 310] <... rmdir resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1743] close(10 [pid 310] umount2("./281/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1743] close(11 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./281/binderfs" [pid 311] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1743] close(12 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./277/config" [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 310] unlink("./281/binderfs" [pid 1743] close(13 [pid 311] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./277/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1743] close(14 [pid 311] newfstatat(AT_FDCWD, "./284/config" [pid 310] umount2("./281/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1743] close(15 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./277/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./281/cgroup.net" [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 1743] close(16 [pid 311] openat(AT_FDCWD, "./284/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 310] unlink("./281/cgroup.net" [pid 309] fstat(4 [pid 1743] close(17 [pid 311] fstat(4 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1743] close(18 [pid 311] getdents64(4 [pid 310] umount2("./281/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1743] close(19 [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./281/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 313] <... restart_syscall resumed>) = 0 [pid 1743] close(20 [pid 311] close(4 [pid 310] unlink("./281/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1743] close(21 [pid 313] umount2("./293", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./284/config" [pid 310] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1743] close(22 [pid 313] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./281/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] umount2("./284/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1743] close(23 [pid 313] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./277/config" [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./281/cgroup" [pid 1743] close(24 [pid 313] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./284/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1743] close(25 [pid 313] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./281/cgroup" [pid 309] umount2("./277/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 311] unlink("./284/binderfs" [pid 313] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1743] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./293/config" [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./277/binderfs" [pid 1743] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./284/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1743] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./284/cgroup.net" [pid 310] <... close resumed>) = 0 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./293/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./277/binderfs" [pid 313] <... openat resumed>) = 4 [pid 1743] close(29 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] unlink("./284/cgroup.net" [pid 310] rmdir("./281" [pid 309] <... unlink resumed>) = 0 [pid 1743] exit_group(0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1743] <... exit_group resumed>) = ? [pid 313] getdents64(4 [pid 311] umount2("./284/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./277/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] close(4) = 0 [pid 313] rmdir("./293/config") = 0 [pid 313] umount2("./293/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./293/binderfs" [pid 1743] +++ exited with 0 +++ [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./293/binderfs" [pid 310] mkdir("./282", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./293/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] newfstatat(AT_FDCWD, "./284/cgroup.cpu" [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./277/cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] newfstatat(AT_FDCWD, "./293/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./293/cgroup.net" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] unlink("./284/cgroup.cpu" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./277/cgroup.net" [pid 313] umount2("./293/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./293/cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./293/cgroup.cpu") = 0 [pid 313] umount2("./293/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1744 attached ) = -1 EINVAL (Invalid argument) [pid 311] umount2("./284/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1744] set_robust_list(0x55555bb49760, 24 [pid 313] newfstatat(AT_FDCWD, "./293/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 284 [pid 309] umount2("./277/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1744] <... set_robust_list resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1744] rt_sigprocmask(SIG_SETMASK, [] [pid 313] unlink("./293/cgroup" [pid 311] newfstatat(AT_FDCWD, "./284/cgroup" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./277/cgroup.cpu" [pid 1744] chdir("./282" [pid 313] getdents64(3 [pid 311] unlink("./284/cgroup" [pid 1744] <... chdir resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] close(3 [pid 311] <... unlink resumed>) = 0 [pid 309] unlink("./277/cgroup.cpu" [pid 1744] <... prctl resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 311] getdents64(3 [pid 1744] setpgid(0, 0 [pid 313] rmdir("./293" [pid 309] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1744] <... setpgid resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 311] close(3 [pid 309] umount2("./277/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1744] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] mkdir("./294", 0777 [pid 311] <... close resumed>) = 0 [pid 1744] <... symlink resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 311] rmdir("./284" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1744] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1744] <... symlink resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./277/cgroup" [pid 1744] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] mkdir("./285", 0777ci2-android-5-15/strace-static-x86_64: Process 1745 attached [pid 1744] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1745] set_robust_list(0x55555bb49760, 24 [pid 1744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 296 [pid 311] <... mkdir resumed>) = 0 [pid 309] unlink("./277/cgroup" [pid 1745] <... set_robust_list resumed>) = 0 [pid 1744] <... openat resumed>) = 3 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1744] write(3, "1000", 4 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1744] <... write resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 1745] rt_sigprocmask(SIG_SETMASK, [] [pid 1744] close(3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(3 [pid 1745] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1744] <... close resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1745] chdir("./294" [pid 1744] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1744] write(1, "executing program\n", 18) = 18 ci2-android-5-15/strace-static-x86_64: Process 1746 attached executing program [pid 1744] mkdirat(AT_FDCWD, "./config", 0777 [pid 1745] <... chdir resumed>) = 0 [pid 309] close(3 [pid 1746] set_robust_list(0x55555bb49760, 24 [pid 1744] <... mkdirat resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 287 [pid 1745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1746] <... set_robust_list resumed>) = 0 [pid 1744] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... close resumed>) = 0 [pid 1746] rt_sigprocmask(SIG_SETMASK, [] [pid 1745] <... prctl resumed>) = 0 [pid 1744] <... mount resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./277" [pid 1746] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1745] setpgid(0, 0 [pid 1744] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1746] chdir("./285" [pid 1745] <... setpgid resumed>) = 0 [pid 1744] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 1746] <... chdir resumed>) = 0 [pid 1745] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1744] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] mkdir("./278", 0777 [pid 1746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1745] <... symlink resumed>) = 0 [pid 1744] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1746] <... prctl resumed>) = 0 [pid 1745] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1744] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 1746] setpgid(0, 0 [pid 1745] <... symlink resumed>) = 0 [pid 1744] <... mkdirat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1746] <... setpgid resumed>) = 0 [pid 1745] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1744] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1746] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1745] <... symlink resumed>) = 0 [pid 1744] <... symlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1746] <... symlink resumed>) = 0 [pid 1745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1744] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1746] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1744] <... unlinkat resumed>) = 0 [pid 1746] <... symlink resumed>) = 0 [pid 1744] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-5-15/strace-static-x86_64: Process 1747 attached [pid 1746] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1744] <... unlinkat resumed>) = 0 [pid 1747] set_robust_list(0x55555bb49760, 24 [pid 1746] <... symlink resumed>) = 0 [pid 1745] <... openat resumed>) = 3 [pid 1744] close(3 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 280 [pid 1747] <... set_robust_list resumed>) = 0 [pid 1746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1745] write(3, "1000", 4 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... openat resumed>) = 3 [pid 1744] close(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1747] rt_sigprocmask(SIG_SETMASK, [] [pid 1746] write(3, "1000", 4 [pid 1745] <... write resumed>) = 4 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1747] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1746] <... write resumed>) = 4 [pid 1745] close(3 [pid 1744] close(5 [pid 1746] close(3 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = 0 [pid 1747] chdir("./278" [pid 1746] <... close resumed>) = 0 [pid 1745] symlink("/dev/binderfs", "./binderfs" [pid 1744] close(6 [pid 1747] <... chdir resumed>) = 0 [pid 1746] symlink("/dev/binderfs", "./binderfs" [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1746] <... symlink resumed>) = 0 [pid 1745] <... symlink resumed>) = 0 [pid 1744] close(7 [pid 312] umount2("./289", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1747] <... prctl resumed>) = 0 [pid 1746] write(1, "executing program\n", 18 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] setpgid(0, 0 [pid 1746] <... write resumed>) = 18 executing program [pid 1745] write(1, "executing program\n", 18 [pid 1744] close(8 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1747] <... setpgid resumed>) = 0 executing program [pid 1746] mkdirat(AT_FDCWD, "./config", 0777 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1746] <... mkdirat resumed>) = 0 [pid 1745] <... write resumed>) = 18 [pid 1744] close(9 [pid 312] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1747] <... symlink resumed>) = 0 [pid 1746] mount(NULL, "./config", "configfs", 0, NULL [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1746] <... mount resumed>) = 0 [pid 1745] mkdirat(AT_FDCWD, "./config", 0777 [pid 1744] close(10 [pid 312] <... openat resumed>) = 3 [pid 1747] <... symlink resumed>) = 0 [pid 1746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... mkdirat resumed>) = 0 [pid 1747] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1746] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1745] mount(NULL, "./config", "configfs", 0, NULL [pid 1744] close(11 [pid 312] fstat(3 [pid 1747] <... symlink resumed>) = 0 [pid 1746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1745] <... mount resumed>) = 0 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1746] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1744] close(12 [pid 312] getdents64(3 [pid 1747] <... openat resumed>) = 3 [pid 1746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1745] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] write(3, "1000", 4 [pid 1746] <... mkdirat resumed>) = 0 [pid 1745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1744] close(13 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1747] <... write resumed>) = 4 [pid 1746] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1745] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1747] close(3 [pid 1746] <... symlinkat resumed>) = 0 [pid 1745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1744] close(14 [pid 1747] <... close resumed>) = 0 [pid 1746] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1745] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1747] symlink("/dev/binderfs", "./binderfs" [pid 1746] <... unlinkat resumed>) = 0 [pid 1745] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1744] close(15 [pid 312] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1746] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] <... symlink resumed>) = 0 [pid 1746] <... unlinkat resumed>) = 0 [pid 1745] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1744] close(16 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1747] write(1, "executing program\n", 18 [pid 1746] close(3 executing program [pid 1745] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] <... write resumed>) = 18 [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1744] close(17 [pid 312] newfstatat(AT_FDCWD, "./289/config" [pid 1747] mkdirat(AT_FDCWD, "./config", 0777 [pid 1746] close(4 [pid 1745] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] <... mkdirat resumed>) = 0 [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] close(18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1747] mount(NULL, "./config", "configfs", 0, NULL [pid 1746] close(5 [pid 1745] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1747] <... mount resumed>) = 0 [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] close(3 [pid 1744] close(19 [pid 1747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1746] close(6 [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1747] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] close(4 [pid 1744] close(20 [pid 312] openat(AT_FDCWD, "./289/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1746] close(7 [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] close(21 [pid 312] <... openat resumed>) = 4 [pid 1747] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1746] close(8 [pid 1745] close(5 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] close(22 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1746] close(9 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] close(23 [pid 1747] <... mkdirat resumed>) = 0 [pid 1746] close(10 [pid 1745] close(6 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1747] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] close(24 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1747] <... symlinkat resumed>) = 0 [pid 1746] close(11 [pid 1745] close(7 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] close(25 [pid 312] getdents64(4 [pid 1747] <... unlinkat resumed>) = 0 [pid 1746] close(12 [pid 1745] close(8 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1747] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] close(26 [pid 312] close(4 [pid 1746] close(13 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] close(27 [pid 1747] <... unlinkat resumed>) = 0 [pid 1746] close(14 [pid 1745] close(9 [pid 1747] close(3 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] close(28 [pid 312] rmdir("./289/config" [pid 1747] close(4 [pid 1746] close(15 [pid 1745] close(10 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] close(29 [pid 312] <... rmdir resumed>) = 0 [pid 1747] close(5 [pid 1746] close(16 [pid 1745] close(11 [pid 1744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] exit_group(0 [pid 1746] close(17 [pid 1744] <... exit_group resumed>) = ? [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1744] +++ exited with 0 +++ [pid 312] umount2("./289/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1747] close(6 [pid 1746] close(18 [pid 1745] close(12 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1747] close(7 [pid 1746] close(19 [pid 1745] close(13 [pid 312] newfstatat(AT_FDCWD, "./289/binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1747] close(8 [pid 1746] close(20) = -1 EBADF (Bad file descriptor) [pid 1745] close(14 [pid 312] unlink("./289/binderfs" [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] close(21 [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] close(9 [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] close(15 [pid 312] <... unlink resumed>) = 0 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] close(22 [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./289/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1747] close(10 [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] close(16 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1747] close(11 [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./289/cgroup.net" [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] close(24) = -1 EBADF (Bad file descriptor) [pid 1745] close(17 [pid 1747] close(12 [pid 1746] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] close(13 [pid 1746] close(26 [pid 312] unlink("./289/cgroup.net" [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] close(18 [pid 1747] close(14 [pid 1746] close(27 [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] close(19 [pid 312] umount2("./289/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1746] close(28) = -1 EBADF (Bad file descriptor) [pid 1746] close(29 [pid 1747] close(15 [pid 1746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1747] close(16 [pid 1746] exit_group(0 [pid 1745] close(20 [pid 312] newfstatat(AT_FDCWD, "./289/cgroup.cpu" [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1746] <... exit_group resumed>) = ? [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] close(17 [pid 1746] +++ exited with 0 +++ [pid 1745] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./289/cgroup.cpu" [pid 1747] close(18 [pid 1745] close(22 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1745] close(23 [pid 1747] close(19 [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./289/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./282", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1747] close(20 [pid 1745] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./289/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1747] close(21 [pid 1745] close(25 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1747] close(22 [pid 1745] close(26 [pid 312] unlink("./289/cgroup" [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1747] close(23 [pid 1745] close(27 [pid 310] fstat(3 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1747] close(24 [pid 1745] close(28 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 310] getdents64(3 [pid 1747] close(25 [pid 1745] close(29 [pid 312] <... close resumed>) = 0 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1747] close(26 [pid 312] rmdir("./289" [pid 1745] exit_group(0 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 310] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1747] close(27 [pid 1745] <... exit_group resumed>) = ? [pid 312] mkdir("./290", 0777 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1745] +++ exited with 0 +++ [pid 1747] close(28 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1747] close(29 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1747] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 1748 attached ) = ? [pid 310] newfstatat(AT_FDCWD, "./282/config" [pid 1748] set_robust_list(0x55555bb49760, 24) = 0 [pid 1748] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1748] chdir("./290") = 0 [pid 1748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1747] +++ exited with 0 +++ [pid 1748] <... prctl resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 292 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1748] setpgid(0, 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1748] <... setpgid resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1748] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1748] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] umount2("./285", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./282/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1748] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1748] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 310] <... openat resumed>) = 4 [pid 1748] <... symlink resumed>) = 0 [pid 311] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 1748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 311] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1748] write(3, "1000", 4 [pid 311] fstat(3 [pid 1748] <... write resumed>) = 4 [pid 310] getdents64(4 [pid 1748] close(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1748] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1748] symlink("/dev/binderfs", "./binderfs") = 0 [pid 311] getdents64(3 [pid 310] getdents64(4 [pid 1748] write(1, "executing program\n", 18 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1748] <... write resumed>) = 18 executing program [pid 1748] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1748] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 1748] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1748] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./282/config" [pid 1748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 1748] <... mkdirat resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./285/config" [pid 309] <... restart_syscall resumed>) = 0 [pid 1748] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./282/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1748] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1748] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1748] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./282/binderfs" [pid 1748] <... unlinkat resumed>) = 0 [pid 311] openat(AT_FDCWD, "./285/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./278", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1748] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 310] unlink("./282/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1748] close(4 [pid 311] fstat(4 [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1748] close(5 [pid 311] getdents64(4 [pid 310] umount2("./282/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1748] close(6 [pid 309] <... openat resumed>) = 3 [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1748] close(7 [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./282/cgroup.net" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1748] close(8 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(4 [pid 309] getdents64(3 [pid 1748] close(9 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./282/cgroup.net" [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] rmdir("./285/config" [pid 1748] close(10 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./282/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1748] close(11 [pid 311] umount2("./285/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1748] close(12 [pid 311] newfstatat(AT_FDCWD, "./285/binderfs" [pid 310] newfstatat(AT_FDCWD, "./282/cgroup.cpu" [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1748] close(13) = -1 EBADF (Bad file descriptor) [pid 1748] close(14 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./278/config" [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./285/binderfs" [pid 310] unlink("./282/cgroup.cpu" [pid 1748] close(15 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./278/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1748] close(16 [pid 311] umount2("./285/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./282/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1748] close(17 [pid 311] newfstatat(AT_FDCWD, "./285/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./278/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./282/cgroup" [pid 1748] close(18 [pid 311] unlink("./285/cgroup.net" [pid 309] <... openat resumed>) = 4 [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1748] close(19) = -1 EBADF (Bad file descriptor) [pid 1748] close(20) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 1748] close(21 [pid 311] umount2("./285/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./282/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1748] close(22 [pid 310] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./285/cgroup.cpu" [pid 309] getdents64(4 [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1748] close(23 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 311] unlink("./285/cgroup.cpu" [pid 310] close(3 [pid 309] getdents64(4 [pid 1748] close(24) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1748] close(25 [pid 313] umount2("./294", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./285/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./282" [pid 309] close(4 [pid 1748] close(26 [pid 313] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] newfstatat(AT_FDCWD, "./285/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1748] close(27 [pid 313] fstat(3 [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./283", 0777 [pid 309] rmdir("./278/config" [pid 1748] close(28 [pid 313] getdents64(3 [pid 311] unlink("./285/cgroup" [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... mkdir resumed>) = 0 [pid 1748] close(29 [pid 313] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rmdir resumed>) = 0 [pid 1748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1748] exit_group(0 [pid 313] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./278/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1748] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3ci2-android-5-15/strace-static-x86_64: Process 1749 attached [pid 1748] +++ exited with 0 +++ [pid 313] newfstatat(AT_FDCWD, "./294/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./278/binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 285 [pid 1749] set_robust_list(0x55555bb49760, 24 [pid 313] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./285" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1749] <... set_robust_list resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./278/binderfs" [pid 313] openat(AT_FDCWD, "./294/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1749] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... openat resumed>) = 4 [pid 312] umount2("./290", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] mkdir("./286", 0777 [pid 309] umount2("./278/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1749] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] fstat(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./278/cgroup.net" [pid 1749] chdir("./283" [pid 313] getdents64(4 [pid 312] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1749] <... chdir resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... openat resumed>) = 3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] unlink("./278/cgroup.net" [pid 1749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] getdents64(4 [pid 312] fstat(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... unlink resumed>) = 0 [pid 1749] <... prctl resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] umount2("./278/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./278/cgroup.cpu" [pid 313] rmdir("./294/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1750 attached [pid 1749] setpgid(0, 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] getdents64(3 [pid 309] unlink("./278/cgroup.cpu" [pid 1750] set_robust_list(0x55555bb49760, 24 [pid 1749] <... setpgid resumed>) = 0 [pid 313] umount2("./294/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 288 [pid 309] <... unlink resumed>) = 0 [pid 1750] <... set_robust_list resumed>) = 0 [pid 1749] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./278/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1750] rt_sigprocmask(SIG_SETMASK, [] [pid 1749] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./294/binderfs" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1750] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1749] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./278/cgroup" [pid 1750] chdir("./286" [pid 313] unlink("./294/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1750] <... chdir resumed>) = 0 [pid 1749] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./278/cgroup" [pid 1750] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1749] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] umount2("./294/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1750] <... prctl resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1750] setpgid(0, 0 [pid 1749] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./294/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./290/config" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1750] <... setpgid resumed>) = 0 [pid 1749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 1750] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1749] <... openat resumed>) = 3 [pid 313] unlink("./294/cgroup.net" [pid 312] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1750] <... symlink resumed>) = 0 [pid 1749] write(3, "1000", 4 [pid 313] <... unlink resumed>) = 0 [pid 309] rmdir("./278" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1750] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1749] <... write resumed>) = 4 [pid 313] umount2("./294/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1750] <... symlink resumed>) = 0 [pid 1749] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./290/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] mkdir("./279", 0777 [pid 1750] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1749] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./294/cgroup.cpu" [pid 312] <... openat resumed>) = 4 [pid 309] <... mkdir resumed>) = 0 [pid 1750] <... symlink resumed>) = 0 [pid 1749] symlink("/dev/binderfs", "./binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] fstat(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1749] <... symlink resumed>) = 0 [pid 313] unlink("./294/cgroup.cpu" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1750] <... openat resumed>) = 3 [pid 313] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1751 attached [pid 1750] write(3, "1000", 4 [pid 1749] write(1, "executing program\n", 18 [pid 313] umount2("./294/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 1750] <... write resumed>) = 4 executing program [pid 1749] <... write resumed>) = 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 281 executing program [pid 1751] set_robust_list(0x55555bb49760, 24 [pid 1750] close(3 [pid 1749] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] newfstatat(AT_FDCWD, "./294/cgroup" [pid 312] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1751] <... set_robust_list resumed>) = 0 [pid 1750] <... close resumed>) = 0 [pid 1749] <... mkdirat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1751] rt_sigprocmask(SIG_SETMASK, [] [pid 1750] symlink("/dev/binderfs", "./binderfs" [pid 1749] mount(NULL, "./config", "configfs", 0, NULL [pid 313] unlink("./294/cgroup" [pid 312] close(4 [pid 1751] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1750] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1750] write(1, "executing program\n", 18 [pid 313] getdents64(3 [pid 1750] <... write resumed>) = 18 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1750] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] close(3 [pid 1751] chdir("./279" [pid 1750] <... mkdirat resumed>) = 0 [pid 1749] <... mount resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 1751] <... chdir resumed>) = 0 [pid 1750] mount(NULL, "./config", "configfs", 0, NULL [pid 1749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] rmdir("./294" [pid 312] rmdir("./290/config" [pid 1751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1750] <... mount resumed>) = 0 [pid 1749] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rmdir resumed>) = 0 [pid 1751] <... prctl resumed>) = 0 [pid 1750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] mkdir("./295", 0777 [pid 312] <... rmdir resumed>) = 0 [pid 1751] setpgid(0, 0 [pid 1750] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1749] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... mkdir resumed>) = 0 [pid 1751] <... setpgid resumed>) = 0 [pid 1750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] umount2("./290/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1751] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1750] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1749] <... mkdirat resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1752 attached [pid 1751] <... symlink resumed>) = 0 [pid 1750] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1749] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] newfstatat(AT_FDCWD, "./290/binderfs" [pid 1752] set_robust_list(0x55555bb49760, 24 [pid 1751] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1750] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 297 [pid 1752] <... set_robust_list resumed>) = 0 [pid 1751] <... symlink resumed>) = 0 [pid 1750] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1749] <... symlinkat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1752] rt_sigprocmask(SIG_SETMASK, [] [pid 1751] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1750] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1749] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] unlink("./290/binderfs" [pid 1752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1751] <... symlink resumed>) = 0 [pid 1750] <... unlinkat resumed>) = 0 [pid 1749] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1752] chdir("./295" [pid 1750] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... unlink resumed>) = 0 [pid 1752] <... chdir resumed>) = 0 [pid 1751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1750] <... unlinkat resumed>) = 0 [pid 1749] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] umount2("./290/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1750] close(3 [pid 1751] <... openat resumed>) = 3 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] <... prctl resumed>) = 0 [pid 1751] write(3, "1000", 4 [pid 1750] close(4 [pid 1749] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1752] setpgid(0, 0 [pid 1751] <... write resumed>) = 4 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] close(3 [pid 312] newfstatat(AT_FDCWD, "./290/cgroup.net" [pid 1752] <... setpgid resumed>) = 0 [pid 1751] close(3 [pid 1750] close(5 [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1751] <... close resumed>) = 0 [pid 1750] close(6 [pid 1749] close(4 [pid 1752] <... symlink resumed>) = 0 [pid 1751] symlink("/dev/binderfs", "./binderfs" [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./290/cgroup.net" [pid 1752] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1751] <... symlink resumed>) = 0 [pid 1750] close(7 [pid 1749] close(5 [pid 1752] <... symlink resumed>) = 0 [pid 1751] write(1, "executing program\n", 18 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1752] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1751] <... write resumed>) = 18 [pid 1750] close(8 [pid 1749] close(6 [pid 312] umount2("./290/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1750] close(9 [pid 1752] <... symlink resumed>) = 0 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] mkdirat(AT_FDCWD, "./config", 0777 [pid 1750] close(10 [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1751] <... mkdirat resumed>) = 0 [pid 1750] close(11 [pid 1749] close(7 [pid 1752] <... openat resumed>) = 3 [pid 1751] mount(NULL, "./config", "configfs", 0, NULL [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./290/cgroup.cpu" [pid 1752] write(3, "1000", 4 [pid 1751] <... mount resumed>) = 0 [pid 1750] close(12 [pid 1749] close(8 [pid 1752] <... write resumed>) = 4 [pid 1751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1752] close(3 [pid 1750] close(13 [pid 1751] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] <... close resumed>) = 0 [pid 1751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1750] close(14 [pid 1749] close(9 [pid 312] unlink("./290/cgroup.cpu" [pid 1752] symlink("/dev/binderfs", "./binderfs" [pid 1751] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1750] close(15 [pid 1752] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1752] write(1, "executing program\n", 18 executing program [pid 1751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] close(10 [pid 312] umount2("./290/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1752] <... write resumed>) = 18 [pid 1750] close(16 [pid 1751] <... mkdirat resumed>) = 0 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] mkdirat(AT_FDCWD, "./config", 0777 [pid 1750] close(17 [pid 1749] close(11 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1752] <... mkdirat resumed>) = 0 [pid 1751] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] mount(NULL, "./config", "configfs", 0, NULL [pid 1750] close(18 [pid 312] newfstatat(AT_FDCWD, "./290/cgroup" [pid 1751] <... symlinkat resumed>) = 0 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] close(12 [pid 1752] <... mount resumed>) = 0 [pid 1751] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1750] close(19 [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1751] <... unlinkat resumed>) = 0 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] close(13 [pid 312] unlink("./290/cgroup" [pid 1752] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1751] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1750] close(20 [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1750] close(21) = -1 EBADF (Bad file descriptor) [pid 1750] close(22 [pid 1751] <... unlinkat resumed>) = 0 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] close(14 [pid 1752] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1751] close(3 [pid 1750] close(23 [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] close(15 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1750] close(24) = -1 EBADF (Bad file descriptor) [pid 1752] <... mkdirat resumed>) = 0 [pid 1751] close(4 [pid 1750] close(25 [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 1752] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] close(16 [pid 1750] close(26 [pid 312] <... close resumed>) = 0 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1750] close(27 [pid 1752] <... symlinkat resumed>) = 0 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1751] close(5 [pid 1750] close(28 [pid 1749] close(17 [pid 312] rmdir("./290" [pid 1752] <... unlinkat resumed>) = 0 [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1751] close(6 [pid 1750] close(29 [pid 1749] close(18 [pid 312] <... rmdir resumed>) = 0 [pid 1750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] <... unlinkat resumed>) = 0 [pid 1750] exit_group(0 [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] close(3 [pid 1751] close(7 [pid 1750] <... exit_group resumed>) = ? [pid 1749] close(19 [pid 312] mkdir("./291", 0777 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1750] +++ exited with 0 +++ [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] close(4 [pid 1751] close(8 [pid 1749] close(20 [pid 312] <... mkdir resumed>) = 0 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1752] close(5 [pid 1751] close(9 [pid 1749] close(21 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1752] close(6 [pid 1751] close(10 [pid 1749] close(22ci2-android-5-15/strace-static-x86_64: Process 1753 attached [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] set_robust_list(0x55555bb49760, 24 [pid 1752] close(7 [pid 1751] close(11 [pid 1753] <... set_robust_list resumed>) = 0 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] close(23 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 293 [pid 1753] rt_sigprocmask(SIG_SETMASK, [] [pid 1752] close(8 [pid 1751] close(12 [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1753] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] close(24 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1753] chdir("./291" [pid 1752] close(9 [pid 1751] close(13 [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] <... chdir resumed>) = 0 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] close(25 [pid 1753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1752] close(10 [pid 1751] close(14 [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] <... prctl resumed>) = 0 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] close(26 [pid 1753] setpgid(0, 0 [pid 1752] close(11 [pid 1751] close(15 [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] <... setpgid resumed>) = 0 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1752] close(12 [pid 1751] close(16 [pid 1749] close(27 [pid 1753] <... symlink resumed>) = 0 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] <... symlink resumed>) = 0 [pid 1752] close(13 [pid 1751] close(17 [pid 1749] close(28 [pid 1753] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] <... symlink resumed>) = 0 [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] close(14 [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] close(18 [pid 1749] close(29 [pid 1753] write(3, "1000", 4 [pid 1752] close(15 [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] <... write resumed>) = 4 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] close(3 [pid 1752] close(16 [pid 1751] close(19 [pid 1753] <... close resumed>) = 0 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1749] exit_group(0 [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] symlink("/dev/binderfs", "./binderfs" [pid 1752] close(17 [pid 1751] close(20 [pid 1749] <... exit_group resumed>) = ? [pid 1753] <... symlink resumed>) = 0 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] write(1, "executing program\n", 18) = 18 [pid 1753] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1753] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1749] +++ exited with 0 +++ executing program [pid 1752] close(18 [pid 311] <... restart_syscall resumed>) = 0 [pid 1753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] close(21 [pid 1753] <... mkdirat resumed>) = 0 [pid 1753] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1752] close(19 [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1753] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] close(22 [pid 311] umount2("./286", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1753] <... unlinkat resumed>) = 0 [pid 1752] close(20 [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1753] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] close(23 [pid 311] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1753] <... unlinkat resumed>) = 0 [pid 1752] close(21 [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] close(3 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] close(24 [pid 311] <... openat resumed>) = 3 [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] close(22 [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] close(4) = -1 EBADF (Bad file descriptor) [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 1753] close(5 [pid 1752] close(23 [pid 1751] close(25 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] close(6 [pid 311] getdents64(3 [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] close(7 [pid 1752] close(24 [pid 1751] close(26 [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1753] close(8 [pid 1752] close(25 [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] close(27 [pid 1753] close(9 [pid 1752] close(26 [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] close(28 [pid 311] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1753] close(10 [pid 1752] close(27 [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] close(11 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] close(29 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] close(28 [pid 1751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./286/config" [pid 1753] close(12 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] close(29 [pid 1751] exit_group(0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1753] close(13 [pid 1752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1751] <... exit_group resumed>) = ? [pid 311] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] close(14 [pid 1752] exit_group(0 [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] close(15) = -1 EBADF (Bad file descriptor) [pid 1753] close(16) = -1 EBADF (Bad file descriptor) [pid 1753] close(17) = -1 EBADF (Bad file descriptor) [pid 1753] close(18) = -1 EBADF (Bad file descriptor) [pid 1753] close(19) = -1 EBADF (Bad file descriptor) [pid 1753] close(20) = -1 EBADF (Bad file descriptor) [pid 1753] close(21 [pid 1751] +++ exited with 0 +++ [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1752] <... exit_group resumed>) = ? [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1753] close(22 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1753] close(23) = -1 EBADF (Bad file descriptor) [pid 1753] close(24) = -1 EBADF (Bad file descriptor) [pid 1753] close(25) = -1 EBADF (Bad file descriptor) [pid 309] <... restart_syscall resumed>) = 0 [pid 1753] close(26 [pid 1752] +++ exited with 0 +++ [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] openat(AT_FDCWD, "./286/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1753] close(27 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./279", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1753] close(28 [pid 311] fstat(4 [pid 309] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 1753] close(29 [pid 311] getdents64(4 [pid 309] fstat(3 [pid 1753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1753] exit_group(0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(3 [pid 1753] <... exit_group resumed>) = ? [pid 311] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1753] +++ exited with 0 +++ [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... close resumed>) = 0 [pid 309] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... restart_syscall resumed>) = 0 [pid 311] rmdir("./286/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./279/config" [pid 311] <... rmdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./286/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./279/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./291", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./286/binderfs" [pid 309] openat(AT_FDCWD, "./279/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... restart_syscall resumed>) = 0 [pid 312] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./283", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 312] <... openat resumed>) = 3 [pid 311] unlink("./286/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 312] fstat(3 [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] umount2("./295", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] umount2("./286/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] newfstatat(AT_FDCWD, "./286/cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] getdents64(4 [pid 313] <... openat resumed>) = 3 [pid 312] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] fstat(3 [pid 311] unlink("./286/cgroup.net" [pid 310] getdents64(3 [pid 312] <... umount2 resumed>) = 0 [pid 309] close(4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... close resumed>) = 0 [pid 313] getdents64(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./286/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./279/config" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] newfstatat(AT_FDCWD, "./291/config" [pid 310] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 313] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./279/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = 0 [pid 312] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./286/cgroup.cpu" [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./279/binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./291/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./286/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] newfstatat(AT_FDCWD, "./295/config" [pid 309] unlink("./279/binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... openat resumed>) = 4 [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./283/config" [pid 309] <... unlink resumed>) = 0 [pid 313] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(4 [pid 311] umount2("./286/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./279/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./295/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./279/cgroup.net" [pid 313] <... openat resumed>) = 4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] newfstatat(AT_FDCWD, "./286/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] fstat(4 [pid 312] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./283/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./279/cgroup.net" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] unlink("./286/cgroup" [pid 310] <... openat resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 313] getdents64(4 [pid 312] close(4 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./279/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... close resumed>) = 0 [pid 311] getdents64(3 [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(4 [pid 312] rmdir("./291/config" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./279/cgroup.cpu" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] close(4 [pid 312] umount2("./291/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 310] getdents64(4 [pid 309] unlink("./279/cgroup.cpu" [pid 313] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... unlink resumed>) = 0 [pid 313] rmdir("./295/config" [pid 312] newfstatat(AT_FDCWD, "./291/binderfs" [pid 311] rmdir("./286" [pid 310] getdents64(4 [pid 309] umount2("./279/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rmdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./295/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./291/binderfs" [pid 311] mkdir("./287", 0777 [pid 310] close(4 [pid 309] newfstatat(AT_FDCWD, "./279/cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] newfstatat(AT_FDCWD, "./295/binderfs" [pid 312] umount2("./291/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... close resumed>) = 0 [pid 309] unlink("./279/cgroup" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rmdir("./283/config" [pid 309] <... unlink resumed>) = 0 [pid 313] unlink("./295/binderfs" [pid 312] newfstatat(AT_FDCWD, "./291/cgroup.net" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] umount2("./295/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./295/cgroup.net" [pid 309] rmdir("./279"ci2-android-5-15/strace-static-x86_64: Process 1754 attached [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./291/cgroup.net" [pid 310] umount2("./283/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1754] set_robust_list(0x55555bb49760, 24 [pid 313] unlink("./295/cgroup.net" [pid 309] mkdir("./280", 0777 [pid 1754] <... set_robust_list resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 289 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 1754] rt_sigprocmask(SIG_SETMASK, [] [pid 313] umount2("./295/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./291/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./283/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1754] chdir("./287" [pid 313] newfstatat(AT_FDCWD, "./295/cgroup.cpu" [pid 312] newfstatat(AT_FDCWD, "./291/cgroup.cpu" [pid 310] unlink("./283/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1754] <... chdir resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1755 attached [pid 1754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] unlink("./295/cgroup.cpu" [pid 312] unlink("./291/cgroup.cpu" [pid 310] umount2("./283/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 282 [pid 1755] set_robust_list(0x55555bb49760, 24 [pid 1754] <... prctl resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1755] <... set_robust_list resumed>) = 0 [pid 1754] setpgid(0, 0 [pid 313] umount2("./295/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1755] rt_sigprocmask(SIG_SETMASK, [] [pid 1754] <... setpgid resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./291/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1755] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1754] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] newfstatat(AT_FDCWD, "./295/cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./283/cgroup.net" [pid 1755] chdir("./280" [pid 1754] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./291/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1755] <... chdir resumed>) = 0 [pid 1754] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] unlink("./295/cgroup" [pid 1755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1754] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./283/cgroup.net" [pid 1755] <... prctl resumed>) = 0 [pid 1754] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] getdents64(3 [pid 1755] setpgid(0, 0 [pid 1754] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] unlink("./291/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 1755] <... setpgid resumed>) = 0 [pid 1754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] close(3 [pid 1755] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1754] <... openat resumed>) = 3 [pid 313] <... close resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./283/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1754] write(3, "1000", 4 [pid 313] rmdir("./295" [pid 1755] <... symlink resumed>) = 0 [pid 1754] <... write resumed>) = 4 [pid 313] <... rmdir resumed>) = 0 [pid 312] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1755] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1754] close(3 [pid 313] mkdir("./296", 0777 [pid 1755] <... symlink resumed>) = 0 [pid 1754] <... close resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./283/cgroup.cpu" [pid 1755] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1754] symlink("/dev/binderfs", "./binderfs" [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1755] <... symlink resumed>) = 0 [pid 1754] <... symlink resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1754] write(1, "executing program\n", 18 executing program [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... close resumed>) = 0 [pid 310] unlink("./283/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1756 attached [pid 1755] <... openat resumed>) = 3 [pid 1754] <... write resumed>) = 18 [pid 312] rmdir("./291" [pid 1756] set_robust_list(0x55555bb49760, 24 [pid 1755] write(3, "1000", 4 [pid 1754] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 298 [pid 310] <... unlink resumed>) = 0 [pid 1756] <... set_robust_list resumed>) = 0 [pid 1755] <... write resumed>) = 4 [pid 1754] <... mkdirat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rmdir resumed>) = 0 [pid 1756] rt_sigprocmask(SIG_SETMASK, [] [pid 1755] close(3 [pid 1754] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./283/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1754] <... mount resumed>) = 0 [pid 1754] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] mkdir("./292", 0777 [pid 1756] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1755] <... close resumed>) = 0 [pid 1754] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1754] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... mkdir resumed>) = 0 [pid 1756] chdir("./296" [pid 1755] symlink("/dev/binderfs", "./binderfs" [pid 1754] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./283/cgroup" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1756] <... chdir resumed>) = 0 [pid 1755] <... symlink resumed>) = 0 [pid 1754] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1755] write(1, "executing program\n", 18 [pid 1754] <... mkdirat resumed>) = 0 executing program [pid 1754] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] unlink("./283/cgroup" [pid 1756] <... prctl resumed>) = 0 [pid 1755] <... write resumed>) = 18 [pid 1754] <... symlinkat resumed>) = 0 [pid 1754] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1754] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-5-15/strace-static-x86_64: Process 1757 attached ) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1756] setpgid(0, 0 [pid 1757] set_robust_list(0x55555bb49760, 24 [pid 1756] <... setpgid resumed>) = 0 [pid 1755] mkdirat(AT_FDCWD, "./config", 0777 [pid 1754] close(3 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 294 [pid 310] getdents64(3 [pid 1757] <... set_robust_list resumed>) = 0 [pid 1756] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1755] <... mkdirat resumed>) = 0 [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1757] rt_sigprocmask(SIG_SETMASK, [] [pid 1754] close(4 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1757] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1756] <... symlink resumed>) = 0 [pid 1755] mount(NULL, "./config", "configfs", 0, NULL [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 1757] chdir("./292" [pid 1756] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1754] close(5 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1757] <... chdir resumed>) = 0 [pid 1755] <... mount resumed>) = 0 [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1756] <... symlink resumed>) = 0 [pid 1755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1754] close(6 [pid 310] rmdir("./283" [pid 1757] <... prctl resumed>) = 0 [pid 1756] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] setpgid(0, 0 [pid 1755] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1754] close(7 [pid 310] <... rmdir resumed>) = 0 [pid 1757] <... setpgid resumed>) = 0 [pid 1756] <... symlink resumed>) = 0 [pid 1755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./284", 0777 [pid 1757] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1755] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1754] close(8 [pid 1757] <... symlink resumed>) = 0 [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 1757] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1756] <... openat resumed>) = 3 [pid 1755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1754] close(9 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1757] <... symlink resumed>) = 0 [pid 1756] write(3, "1000", 4 [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1755] <... mkdirat resumed>) = 0 [pid 1754] close(10 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1757] <... symlink resumed>) = 0 [pid 1756] <... write resumed>) = 4 [pid 1755] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1756] close(3 [pid 1754] close(11 [pid 1757] <... openat resumed>) = 3 [pid 1755] <... symlinkat resumed>) = 0 [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] write(3, "1000", 4 [pid 1754] close(12 [pid 1757] <... write resumed>) = 4 [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] close(3 [pid 1754] close(13ci2-android-5-15/strace-static-x86_64: Process 1758 attached [pid 1757] <... close resumed>) = 0 [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] set_robust_list(0x55555bb49760, 24 [pid 1757] symlink("/dev/binderfs", "./binderfs" [pid 1756] <... close resumed>) = 0 [pid 1755] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1754] close(14 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 286 [pid 1758] <... set_robust_list resumed>) = 0 [pid 1757] <... symlink resumed>) = 0 [pid 1756] symlink("/dev/binderfs", "./binderfs" [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] rt_sigprocmask(SIG_SETMASK, [] [pid 1757] write(1, "executing program\n", 18 [pid 1755] <... unlinkat resumed>) = 0 [pid 1754] close(15 executing program [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1758] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1757] <... write resumed>) = 18 [pid 1756] <... symlink resumed>) = 0 [pid 1755] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1758] chdir("./284" [pid 1757] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 1756] write(1, "executing program\n", 18 [pid 1754] close(16 [pid 1758] <... chdir resumed>) = 0 [pid 1757] <... mkdirat resumed>) = 0 [pid 1756] <... write resumed>) = 18 [pid 1755] <... unlinkat resumed>) = 0 [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1757] mount(NULL, "./config", "configfs", 0, NULL [pid 1756] mkdirat(AT_FDCWD, "./config", 0777 [pid 1755] close(3 [pid 1754] close(17 [pid 1758] <... prctl resumed>) = 0 [pid 1757] <... mount resumed>) = 0 [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] setpgid(0, 0 [pid 1757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1756] <... mkdirat resumed>) = 0 [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] close(18 [pid 1758] <... setpgid resumed>) = 0 [pid 1757] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1756] mount(NULL, "./config", "configfs", 0, NULL [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1755] close(4 [pid 1754] close(19 [pid 1758] <... symlink resumed>) = 0 [pid 1757] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1756] <... mount resumed>) = 0 [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1755] close(5 [pid 1754] close(20 [pid 1758] <... symlink resumed>) = 0 [pid 1757] <... mkdirat resumed>) = 0 [pid 1756] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1757] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1755] close(6 [pid 1754] close(21 [pid 1758] <... symlink resumed>) = 0 [pid 1757] <... symlinkat resumed>) = 0 [pid 1756] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1757] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1755] close(7 [pid 1754] close(22 [pid 1758] <... openat resumed>) = 3 [pid 1757] <... unlinkat resumed>) = 0 [pid 1756] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] write(3, "1000", 4 [pid 1757] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1756] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1755] close(8 [pid 1754] close(23 [pid 1758] <... write resumed>) = 4 [pid 1757] <... unlinkat resumed>) = 0 [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] close(3 [pid 1757] close(3 [pid 1756] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] close(24 [pid 1758] <... close resumed>) = 0 [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1755] close(9 [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] symlink("/dev/binderfs", "./binderfs" [pid 1757] close(4 [pid 1754] close(25 [pid 1758] <... symlink resumed>) = 0 [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] write(1, "executing program\n", 18 executing program [pid 1757] close(5 [pid 1756] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1755] close(10 [pid 1754] close(26 [pid 1758] <... write resumed>) = 18 [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] mkdirat(AT_FDCWD, "./config", 0777 [pid 1757] close(6 [pid 1756] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] close(27 [pid 1758] <... mkdirat resumed>) = 0 [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] mount(NULL, "./config", "configfs", 0, NULL [pid 1757] close(7 [pid 1756] close(3 [pid 1755] close(11 [pid 1754] close(28 [pid 1758] <... mount resumed>) = 0 [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1757] close(8 [pid 1756] close(4 [pid 1755] close(12 [pid 1754] close(29 [pid 1758] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1757] close(9 [pid 1756] close(5 [pid 1755] close(13 [pid 1754] exit_group(0 [pid 1758] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] <... exit_group resumed>) = ? [pid 1758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1757] close(10 [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1754] +++ exited with 0 +++ [pid 1758] <... mkdirat resumed>) = 0 [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] close(6 [pid 1758] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1757] close(11 [pid 1758] <... symlinkat resumed>) = 0 [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] close(14 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1758] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1757] close(12 [pid 1756] close(7 [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1758] <... unlinkat resumed>) = 0 [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] close(15 [pid 1758] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1757] close(13 [pid 1756] close(8 [pid 1758] <... unlinkat resumed>) = 0 [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] close(3 [pid 1757] close(14 [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] close(9 [pid 1755] close(16 [pid 311] <... restart_syscall resumed>) = 0 [pid 1758] close(4 [pid 1757] close(15 [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] close(5 [pid 1757] close(16 [pid 1756] close(10 [pid 1755] close(17 [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] close(6 [pid 1757] close(17 [pid 1756] close(11 [pid 1755] close(18 [pid 311] umount2("./287", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1758] close(7 [pid 1757] close(18 [pid 1756] close(12 [pid 1755] close(19 [pid 311] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1758] close(8 [pid 1757] close(19 [pid 1756] close(13 [pid 1755] close(20 [pid 311] fstat(3 [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] close(9 [pid 1757] close(20 [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] close(14 [pid 1755] close(21 [pid 311] getdents64(3 [pid 1758] close(10 [pid 1757] close(21 [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1758] close(11 [pid 1757] close(22 [pid 1756] close(15 [pid 1755] close(22 [pid 311] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] close(12 [pid 1757] close(23 [pid 311] <... umount2 resumed>) = 0 [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] close(16 [pid 1755] close(23 [pid 311] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1758] close(13 [pid 1757] close(24 [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] close(17 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1758] close(14 [pid 1757] close(25 [pid 1755] close(24 [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./287/config" [pid 1758] close(15 [pid 1757] close(26 [pid 1756] close(18 [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] close(25 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1758] close(16 [pid 1757] close(27 [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] close(19 [pid 1755] close(26 [pid 311] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1758] close(17 [pid 1757] close(28 [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] close(20 [pid 1755] close(27 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1758] close(18 [pid 1757] close(29 [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./287/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] close(21 [pid 1758] close(19 [pid 1757] exit_group(0 [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] close(28 [pid 311] <... openat resumed>) = 4 [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1757] <... exit_group resumed>) = ? [pid 1756] close(22 [pid 1758] close(20 [pid 1757] +++ exited with 0 +++ [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] close(23 [pid 1755] close(29 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1758] close(21 [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] getdents64(4 [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] close(24 [pid 1755] exit_group(0 [pid 1758] close(22 [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1755] <... exit_group resumed>) = ? [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] close(23 [pid 1756] close(25 [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1758] close(24) = -1 EBADF (Bad file descriptor) [pid 1758] close(25) = -1 EBADF (Bad file descriptor) [pid 1758] close(26) = -1 EBADF (Bad file descriptor) [pid 1758] close(27) = -1 EBADF (Bad file descriptor) [pid 1758] close(28) = -1 EBADF (Bad file descriptor) [pid 1758] close(29 [pid 1755] +++ exited with 0 +++ [pid 1758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1758] exit_group(0 [pid 1756] close(26 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1758] <... exit_group resumed>) = ? [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 1758] +++ exited with 0 +++ [pid 1756] close(27 [pid 311] <... close resumed>) = 0 [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1756] close(28 [pid 311] rmdir("./287/config" [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1756] close(29 [pid 311] <... rmdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./287/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1756] exit_group(0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1756] <... exit_group resumed>) = ? [pid 311] newfstatat(AT_FDCWD, "./287/binderfs" [pid 1756] +++ exited with 0 +++ [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] unlink("./287/binderfs" [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... unlink resumed>) = 0 [pid 311] umount2("./287/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./287/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] unlink("./287/cgroup.net") = 0 [pid 312] umount2("./292", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] umount2("./287/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./287/cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 311] unlink("./287/cgroup.cpu" [pid 312] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./292/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./287/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./292/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./287/cgroup" [pid 312] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(4 [pid 311] unlink("./287/cgroup" [pid 309] <... restart_syscall resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4 [pid 311] <... unlink resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 311] getdents64(3 [pid 309] umount2("./280", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./292/config" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 311] close(3 [pid 309] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./292/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 309] fstat(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./292/binderfs" [pid 311] rmdir("./287" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 312] unlink("./292/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... unlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./292/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] mkdir("./288", 0777 [pid 310] umount2("./284", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... mkdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./292/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./280/config" [pid 312] unlink("./292/cgroup.net" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] umount2("./280/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./292/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./280/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1759 attached [pid 312] newfstatat(AT_FDCWD, "./292/cgroup.cpu" [pid 310] fstat(3 [pid 309] <... openat resumed>) = 4 [pid 1759] set_robust_list(0x55555bb49760, 24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 290 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] fstat(4 [pid 1759] <... set_robust_list resumed>) = 0 [pid 312] unlink("./292/cgroup.cpu" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1759] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] getdents64(4 [pid 1759] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./292/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1759] chdir("./288" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1759] <... chdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./292/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] close(4 [pid 1759] <... prctl resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] unlink("./292/cgroup" [pid 310] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1759] setpgid(0, 0 [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./280/config" [pid 1759] <... setpgid resumed>) = 0 [pid 312] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./284/config" [pid 309] <... rmdir resumed>) = 0 [pid 1759] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] umount2("./296", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./280/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1759] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1759] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... close resumed>) = 0 [pid 310] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./280/binderfs" [pid 1759] <... symlink resumed>) = 0 [pid 312] rmdir("./292" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1759] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 312] <... rmdir resumed>) = 0 [pid 309] unlink("./280/binderfs" [pid 1759] <... symlink resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 312] mkdir("./293", 0777 [pid 309] <... unlink resumed>) = 0 [pid 1759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] fstat(3 [pid 312] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./280/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1759] <... openat resumed>) = 3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./280/cgroup.net" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1759] write(3, "1000", 4 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./284/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1760 attached [pid 1759] <... write resumed>) = 4 [pid 313] getdents64(3 [pid 309] unlink("./280/cgroup.net" [pid 1760] set_robust_list(0x55555bb49760, 24 [pid 1759] close(3 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 295 [pid 310] <... openat resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 1760] <... set_robust_list resumed>) = 0 [pid 1759] <... close resumed>) = 0 [pid 313] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./280/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1760] rt_sigprocmask(SIG_SETMASK, [] [pid 1759] symlink("/dev/binderfs", "./binderfs" [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1760] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1759] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./280/cgroup.cpu" [pid 1760] chdir("./293" [pid 1759] write(1, "executing program\n", 18 [pid 313] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1760] <... chdir resumed>) = 0 [pid 1759] <... write resumed>) = 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 executing program [pid 309] unlink("./280/cgroup.cpu" [pid 1760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1759] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] newfstatat(AT_FDCWD, "./296/config" [pid 310] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 1760] <... prctl resumed>) = 0 [pid 1759] <... mkdirat resumed>) = 0 [pid 309] umount2("./280/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1760] setpgid(0, 0 [pid 1759] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./280/cgroup" [pid 1760] <... setpgid resumed>) = 0 [pid 1759] <... mount resumed>) = 0 [pid 313] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1760] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] unlink("./280/cgroup" [pid 1760] <... symlink resumed>) = 0 [pid 1759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] openat(AT_FDCWD, "./296/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./284/config" [pid 309] <... unlink resumed>) = 0 [pid 1760] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... openat resumed>) = 4 [pid 309] getdents64(3 [pid 1760] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1760] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] fstat(4 [pid 1759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./284/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1760] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./280" [pid 1760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1759] <... mkdirat resumed>) = 0 [pid 313] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./281", 0777) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1760] <... openat resumed>) = 3 [pid 1759] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./284/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1761 attached [pid 1760] write(3, "1000", 4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 283 [pid 1759] <... symlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1761] set_robust_list(0x55555bb49760, 24 [pid 1760] <... write resumed>) = 4 [pid 1759] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] unlink("./284/binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1761] <... set_robust_list resumed>) = 0 [pid 1760] close(3 [pid 1759] <... unlinkat resumed>) = 0 [pid 313] close(4 [pid 310] <... unlink resumed>) = 0 [pid 1761] rt_sigprocmask(SIG_SETMASK, [] [pid 1760] <... close resumed>) = 0 [pid 1759] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... close resumed>) = 0 [pid 310] umount2("./284/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1760] symlink("/dev/binderfs", "./binderfs" [pid 1759] <... unlinkat resumed>) = 0 [pid 313] rmdir("./296/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1760] <... symlink resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 1761] chdir("./281" [pid 310] newfstatat(AT_FDCWD, "./284/cgroup.net" [pid 1761] <... chdir resumed>) = 0 [pid 1760] write(1, "executing program\n", 18 [pid 1759] close(3 [pid 313] umount2("./296/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1760] <... write resumed>) = 18 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1761] <... prctl resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1761] setpgid(0, 0 [pid 1760] mkdirat(AT_FDCWD, "./config", 0777 [pid 1759] close(4 [pid 313] newfstatat(AT_FDCWD, "./296/binderfs" [pid 310] unlink("./284/cgroup.net" [pid 1761] <... setpgid resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./296/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... mkdirat resumed>) = 0 [pid 310] umount2("./284/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... unlink resumed>) = 0 [pid 1759] close(5 [pid 313] umount2("./296/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1761] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1760] mount(NULL, "./config", "configfs", 0, NULL [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./284/cgroup.cpu" [pid 1761] <... symlink resumed>) = 0 [pid 1759] close(6 [pid 313] newfstatat(AT_FDCWD, "./296/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1760] <... mount resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1761] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./296/cgroup.net" [pid 310] unlink("./284/cgroup.cpu" [pid 1761] <... symlink resumed>) = 0 [pid 1760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1759] close(7 [pid 310] <... unlink resumed>) = 0 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./284/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1761] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1759] close(8 [pid 313] umount2("./296/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1761] <... symlink resumed>) = 0 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1759] close(9 [pid 310] newfstatat(AT_FDCWD, "./284/cgroup" [pid 1760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1760] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1761] <... openat resumed>) = 3 [pid 1759] close(10 [pid 313] newfstatat(AT_FDCWD, "./296/cgroup.cpu" [pid 310] unlink("./284/cgroup" [pid 1760] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1761] write(3, "1000", 4 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1760] <... symlinkat resumed>) = 0 [pid 1759] close(11 [pid 1761] <... write resumed>) = 4 [pid 1760] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./296/cgroup.cpu" [pid 310] getdents64(3 [pid 1761] close(3 [pid 1760] <... unlinkat resumed>) = 0 [pid 1759] close(12 [pid 313] <... unlink resumed>) = 0 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1761] <... close resumed>) = 0 [pid 1760] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1759] close(13 [pid 313] umount2("./296/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 1761] symlink("/dev/binderfs", "./binderfs" [pid 1760] <... unlinkat resumed>) = 0 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1761] <... symlink resumed>) = 0 [pid 1759] close(14 [pid 1761] write(1, "executing program\n", 18 [pid 1760] close(3 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./296/cgroup" [pid 310] rmdir("./284" [pid 1761] <... write resumed>) = 18 [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1761] mkdirat(AT_FDCWD, "./config", 0777 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./296/cgroup" [pid 310] <... rmdir resumed>) = 0 [pid 1760] close(4 [pid 1761] <... mkdirat resumed>) = 0 executing program [pid 1759] close(16 [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] mkdir("./285", 0777 [pid 1761] mount(NULL, "./config", "configfs", 0, NULL [pid 1760] close(5 [pid 1759] close(17 [pid 313] getdents64(3 [pid 310] <... mkdir resumed>) = 0 [pid 1761] <... mount resumed>) = 0 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1761] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1760] close(6 [pid 1759] close(18 [pid 313] close(3 [pid 1761] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1761] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1760] close(7 [pid 1759] close(19 [pid 313] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1761] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./296"ci2-android-5-15/strace-static-x86_64: Process 1762 attached [pid 1759] close(20 [pid 1762] set_robust_list(0x55555bb49760, 24 [pid 1761] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1760] close(8 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 287 [pid 1762] <... set_robust_list resumed>) = 0 [pid 1762] rt_sigprocmask(SIG_SETMASK, [] [pid 1761] <... mkdirat resumed>) = 0 [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] close(21 [pid 313] mkdir("./297", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1762] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1761] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1760] close(9 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] chdir("./285") = 0 [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] close(22 [pid 313] <... mkdir resumed>) = 0 [pid 1762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1761] <... symlinkat resumed>) = 0 [pid 1760] close(10 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1762] <... prctl resumed>) = 0 [pid 1761] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] close(23 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1762] setpgid(0, 0 [pid 1761] <... unlinkat resumed>) = 0 [pid 1760] close(11 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1762] <... setpgid resumed>) = 0 [pid 1761] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] close(24 [pid 1762] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 1762] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 1762] symlink("/syzcgroup/net/syz0", "./cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1763 attached ) = 0 [pid 1760] close(12 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] set_robust_list(0x55555bb49760, 24 [pid 1762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1761] <... unlinkat resumed>) = 0 [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] close(25 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 299 [pid 1763] <... set_robust_list resumed>) = 0 [pid 1762] <... openat resumed>) = 3 [pid 1763] rt_sigprocmask(SIG_SETMASK, [] [pid 1762] write(3, "1000", 4 [pid 1761] close(3 [pid 1760] close(13 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1763] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1762] <... write resumed>) = 4 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] close(26 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1763] chdir("./297" [pid 1762] close(3 [pid 1763] <... chdir resumed>) = 0 [pid 1762] <... close resumed>) = 0 [pid 1761] close(4 [pid 1760] close(14 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1762] symlink("/dev/binderfs", "./binderfs" [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] close(27 [pid 1763] <... prctl resumed>) = 0 [pid 1762] <... symlink resumed>) = 0 [pid 1761] close(5 [pid 1760] close(15 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] setpgid(0, 0 [pid 1762] write(1, "executing program\n", 18 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1759] close(28 [pid 1763] <... setpgid resumed>) = 0 [pid 1762] <... write resumed>) = 18 [pid 1761] close(6 [pid 1760] close(16 [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1762] mkdirat(AT_FDCWD, "./config", 0777 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] close(29 [pid 1763] <... symlink resumed>) = 0 [pid 1762] <... mkdirat resumed>) = 0 [pid 1761] close(7 [pid 1763] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1762] mount(NULL, "./config", "configfs", 0, NULL [pid 1760] close(17 [pid 1763] <... symlink resumed>) = 0 [pid 1762] <... mount resumed>) = 0 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1761] close(8 [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... symlink resumed>) = 0 [pid 1762] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] close(18 [pid 1759] exit_group(0 [pid 1763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1761] close(9 [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] <... exit_group resumed>) = ? [pid 1763] <... openat resumed>) = 3 [pid 1762] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1763] write(3, "1000", 4 [pid 1762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] close(19 [pid 1763] <... write resumed>) = 4 [pid 1762] <... mkdirat resumed>) = 0 [pid 1763] close(3 [pid 1762] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1763] <... close resumed>) = 0 [pid 1762] <... symlinkat resumed>) = 0 [pid 1761] close(10 [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1759] +++ exited with 0 +++ [pid 1763] symlink("/dev/binderfs", "./binderfs" [pid 1762] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] close(20 [pid 1763] <... symlink resumed>) = 0 [pid 1762] <... unlinkat resumed>) = 0 [pid 1761] close(11 [pid 1763] write(1, "executing program\n", 18 [pid 1762] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1763] <... write resumed>) = 18 [pid 1762] <... unlinkat resumed>) = 0 [pid 1761] close(12 [pid 1760] close(21 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1763] mkdirat(AT_FDCWD, "./config", 0777 [pid 1762] close(3 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... mkdirat resumed>) = 0 [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] close(13 [pid 1760] close(22 [pid 1763] mount(NULL, "./config", "configfs", 0, NULL [pid 1762] close(4 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... mount resumed>) = 0 [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1762] close(5 [pid 1763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] close(14 [pid 1760] close(23 [pid 1763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1762] close(6 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] close(15 [pid 1760] close(24 [pid 1763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1762] close(7 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... mkdirat resumed>) = 0 [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] close(16 [pid 1760] close(25 [pid 1763] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1762] close(8 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... symlinkat resumed>) = 0 [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] close(17 [pid 1760] close(26 [pid 1763] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1762] close(9 [pid 1763] <... unlinkat resumed>) = 0 [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1762] close(10 [pid 1761] close(18 [pid 1760] close(27 [pid 1763] <... unlinkat resumed>) = 0 [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] close(3 [pid 1762] close(11 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] close(19 [pid 1760] close(28 [pid 1763] close(4 [pid 1762] close(12 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] close(5 [pid 1762] close(13 [pid 1761] close(20 [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] close(29 [pid 1763] close(6 [pid 1762] close(14 [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] close(21 [pid 1760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] close(7 [pid 1762] close(15 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] close(8 [pid 1762] close(16 [pid 1760] exit_group(0 [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] close(9 [pid 1762] close(17 [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] close(10 [pid 1762] close(18 [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] close(22 [pid 1760] <... exit_group resumed>) = ? [pid 1763] close(11 [pid 1762] close(19 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] close(12 [pid 1762] close(20 [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] close(13 [pid 1762] close(21 [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] close(14 [pid 1762] close(22 [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1760] +++ exited with 0 +++ [pid 1761] close(23 [pid 1763] close(15 [pid 1762] close(23 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1763] close(16 [pid 1762] close(24 [pid 1761] close(24 [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] close(17 [pid 1762] close(25 [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] close(25 [pid 1763] close(18 [pid 1762] close(26 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] close(26 [pid 1763] close(19 [pid 1762] close(27 [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] close(20 [pid 1762] close(28 [pid 1761] close(27 [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] close(21 [pid 1762] close(29 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] close(28 [pid 1763] close(22 [pid 1762] exit_group(0 [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1762] <... exit_group resumed>) = ? [pid 1761] close(29 [pid 1763] close(23 [pid 1762] +++ exited with 0 +++ [pid 1761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1763] close(24 [pid 1761] exit_group(0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1761] <... exit_group resumed>) = ? [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1763] close(25) = -1 EBADF (Bad file descriptor) [pid 1763] close(26) = -1 EBADF (Bad file descriptor) [pid 1763] close(27) = -1 EBADF (Bad file descriptor) [pid 1763] close(28) = -1 EBADF (Bad file descriptor) [pid 1763] close(29) = -1 EBADF (Bad file descriptor) [pid 1763] exit_group(0) = ? [pid 1763] +++ exited with 0 +++ [pid 1761] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... restart_syscall resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] umount2("./288", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 311] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 311] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./288/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./288/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 311] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] close(4) = 0 [pid 311] rmdir("./288/config") = 0 [pid 311] umount2("./288/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./288/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./288/binderfs") = 0 [pid 311] umount2("./288/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./288/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./288/cgroup.net") = 0 [pid 311] umount2("./288/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./288/cgroup.cpu" [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./288/cgroup.cpu") = 0 [pid 312] umount2("./293", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] umount2("./288/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./288/cgroup" [pid 312] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./288/cgroup" [pid 312] <... umount2 resumed>) = 0 [pid 312] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./293/config" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(3 [pid 312] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./288" [pid 312] openat(AT_FDCWD, "./293/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... rmdir resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 311] mkdir("./289", 0777 [pid 312] fstat(4 [pid 311] <... mkdir resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] getdents64(4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] getdents64(4 [pid 310] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1764 attached [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1764] set_robust_list(0x55555bb49760, 24 [pid 312] close(4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 291 [pid 310] umount2("./285", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1764] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1764] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1764] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rmdir("./293/config" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 1764] chdir("./289" [pid 312] <... rmdir resumed>) = 0 [pid 310] fstat(3 [pid 1764] <... chdir resumed>) = 0 [pid 312] umount2("./293/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1764] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1764] setpgid(0, 0 [pid 312] newfstatat(AT_FDCWD, "./293/binderfs" [pid 310] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1764] <... setpgid resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1764] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] umount2("./297", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 1764] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./293/binderfs" [pid 310] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1764] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1764] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./285/config" [pid 309] <... restart_syscall resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 1764] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 312] umount2("./293/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] fstat(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1764] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./293/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./281", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1764] <... openat resumed>) = 3 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./285/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1764] write(3, "1000", 4 [pid 313] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./293/cgroup.net" [pid 310] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1764] <... write resumed>) = 4 [pid 310] fstat(4 [pid 309] <... openat resumed>) = 3 [pid 1764] close(3 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] fstat(3 [pid 1764] <... close resumed>) = 0 [pid 313] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./293/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1764] symlink("/dev/binderfs", "./binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(3 [pid 1764] <... symlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1764] write(1, "executing program\n", 18 executing program [pid 313] newfstatat(AT_FDCWD, "./297/config" [pid 312] newfstatat(AT_FDCWD, "./293/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1764] <... write resumed>) = 18 [pid 310] close(4 [pid 1764] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1764] <... mkdirat resumed>) = 0 [pid 313] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./285/config" [pid 309] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1764] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./293/cgroup.cpu" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1764] <... mount resumed>) = 0 [pid 313] openat(AT_FDCWD, "./297/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./285/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./281/config" [pid 1764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... openat resumed>) = 4 [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1764] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] fstat(4 [pid 312] umount2("./293/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./285/binderfs" [pid 309] umount2("./281/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1764] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] getdents64(4 [pid 312] newfstatat(AT_FDCWD, "./293/cgroup" [pid 310] unlink("./285/binderfs" [pid 309] openat(AT_FDCWD, "./281/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1764] <... mkdirat resumed>) = 0 [pid 313] getdents64(4 [pid 312] unlink("./293/cgroup" [pid 310] umount2("./285/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 1764] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1764] <... symlinkat resumed>) = 0 [pid 313] close(4 [pid 312] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./285/cgroup.net" [pid 309] getdents64(4 [pid 1764] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... close resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1764] <... unlinkat resumed>) = 0 [pid 310] unlink("./285/cgroup.net" [pid 309] getdents64(4 [pid 1764] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] rmdir("./297/config" [pid 312] close(3 [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1764] <... unlinkat resumed>) = 0 [pid 310] umount2("./285/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 1764] close(3 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./297/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./293" [pid 310] newfstatat(AT_FDCWD, "./285/cgroup.cpu" [pid 309] rmdir("./281/config" [pid 1764] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./297/binderfs" [pid 312] mkdir("./294", 0777 [pid 310] unlink("./285/cgroup.cpu" [pid 309] umount2("./281/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1764] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./297/binderfs" [pid 312] <... mkdir resumed>) = 0 [pid 310] umount2("./285/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./281/binderfs" [pid 1764] close(6 [pid 313] <... unlink resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./297/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./285/cgroup" [pid 309] unlink("./281/binderfs" [pid 1764] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./297/cgroup.net" [pid 310] unlink("./285/cgroup" [pid 309] umount2("./281/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1764] close(8 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1765 attached [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./281/cgroup.net" [pid 1765] set_robust_list(0x55555bb49760, 24 [pid 1764] close(9 [pid 313] unlink("./297/cgroup.net" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 296 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1765] <... set_robust_list resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(3 [pid 309] unlink("./281/cgroup.net" [pid 1765] rt_sigprocmask(SIG_SETMASK, [] [pid 1764] close(10 [pid 313] umount2("./297/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1765] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./285" [pid 309] umount2("./281/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1765] chdir("./294" [pid 1764] close(11 [pid 313] newfstatat(AT_FDCWD, "./297/cgroup.cpu" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1765] <... chdir resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./286", 0777 [pid 309] newfstatat(AT_FDCWD, "./281/cgroup.cpu" [pid 1765] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1764] close(12 [pid 313] unlink("./297/cgroup.cpu" [pid 310] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1765] <... prctl resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./281/cgroup.cpu" [pid 1765] setpgid(0, 0 [pid 1764] close(13 [pid 313] umount2("./297/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1765] <... setpgid resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./281/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1766 attached [pid 1765] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1764] close(14 [pid 313] newfstatat(AT_FDCWD, "./297/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1766] set_robust_list(0x55555bb49760, 24 [pid 1765] <... symlink resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 288 [pid 309] newfstatat(AT_FDCWD, "./281/cgroup" [pid 1766] <... set_robust_list resumed>) = 0 [pid 1765] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1764] close(15 [pid 313] unlink("./297/cgroup" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1766] rt_sigprocmask(SIG_SETMASK, [] [pid 1765] <... symlink resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./281/cgroup" [pid 1766] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1765] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1764] close(16 [pid 313] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 1766] chdir("./286" [pid 1765] <... symlink resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 1766] <... chdir resumed>) = 0 [pid 1765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1764] close(17 [pid 313] close(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1765] <... openat resumed>) = 3 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 309] close(3 [pid 1766] <... prctl resumed>) = 0 [pid 1765] write(3, "1000", 4 [pid 1764] close(18 [pid 313] rmdir("./297" [pid 309] <... close resumed>) = 0 [pid 1766] setpgid(0, 0 [pid 1765] <... write resumed>) = 4 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./281" [pid 1766] <... setpgid resumed>) = 0 [pid 1765] close(3 [pid 1764] close(19 [pid 313] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1766] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1765] <... close resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./282", 0777 [pid 1766] <... symlink resumed>) = 0 [pid 1765] symlink("/dev/binderfs", "./binderfs" [pid 1764] close(20 [pid 313] mkdir("./298", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 1766] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1765] <... symlink resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1765] write(1, "executing program\n", 18 [pid 1764] close(21 [pid 313] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1766] <... symlink resumed>) = 0 [pid 1765] <... write resumed>) = 18 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1766] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1765] mkdirat(AT_FDCWD, "./config", 0777 [pid 1764] close(22 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1767 attached [pid 1766] <... symlink resumed>) = 0 [pid 1765] <... mkdirat resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 284 [pid 1767] set_robust_list(0x55555bb49760, 24 [pid 1766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1765] mount(NULL, "./config", "configfs", 0, NULL [pid 1764] close(23 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1765] <... mount resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1768 attached [pid 1767] <... set_robust_list resumed>) = 0 [pid 1766] <... openat resumed>) = 3 [pid 1765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1764] close(24 [pid 1768] set_robust_list(0x55555bb49760, 24 [pid 1767] rt_sigprocmask(SIG_SETMASK, [] [pid 1766] write(3, "1000", 4 [pid 1765] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 300 [pid 1768] <... set_robust_list resumed>) = 0 [pid 1767] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1766] <... write resumed>) = 4 [pid 1765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1764] close(25 [pid 1768] rt_sigprocmask(SIG_SETMASK, [] [pid 1767] chdir("./282" [pid 1765] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1766] close(3 [pid 1768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1767] <... chdir resumed>) = 0 [pid 1765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1764] close(26 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1768] chdir("./298" [pid 1767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1766] <... close resumed>) = 0 [pid 1765] <... mkdirat resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... chdir resumed>) = 0 [pid 1767] <... prctl resumed>) = 0 [pid 1766] symlink("/dev/binderfs", "./binderfs" [pid 1765] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1764] close(27 [pid 1768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1767] setpgid(0, 0 [pid 1765] <... symlinkat resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... prctl resumed>) = 0 [pid 1767] <... setpgid resumed>) = 0 [pid 1766] <... symlink resumed>) = 0 [pid 1765] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1764] close(28 [pid 1768] setpgid(0, 0 [pid 1767] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1766] write(1, "executing program\n", 18 [pid 1765] <... unlinkat resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1768] <... setpgid resumed>) = 0 [pid 1767] <... symlink resumed>) = 0 [pid 1766] <... write resumed>) = 18 [pid 1765] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1764] close(29 [pid 1768] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1767] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1766] mkdirat(AT_FDCWD, "./config", 0777 [pid 1765] <... unlinkat resumed>) = 0 [pid 1764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... symlink resumed>) = 0 [pid 1767] <... symlink resumed>) = 0 [pid 1766] <... mkdirat resumed>) = 0 [pid 1765] close(3 [pid 1764] exit_group(0 [pid 1768] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1767] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1766] mount(NULL, "./config", "configfs", 0, NULL [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1764] <... exit_group resumed>) = ? [pid 1768] <... symlink resumed>) = 0 [pid 1767] <... symlink resumed>) = 0 [pid 1766] <... mount resumed>) = 0 [pid 1765] close(4 [pid 1764] +++ exited with 0 +++ [pid 1768] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1766] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... symlink resumed>) = 0 [pid 1765] close(5 [pid 1768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1767] <... openat resumed>) = 3 [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... openat resumed>) = 3 [pid 1767] write(3, "1000", 4 [pid 1766] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1765] close(6 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1768] write(3, "1000", 4 [pid 1767] <... write resumed>) = 4 [pid 1766] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1768] <... write resumed>) = 4 [pid 1767] close(3 [pid 1766] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1765] close(7 [pid 1768] close(3 [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = 0 [pid 1767] <... close resumed>) = 0 [pid 1766] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1765] close(8 [pid 1768] symlink("/dev/binderfs", "./binderfs" [pid 1767] symlink("/dev/binderfs", "./binderfs" [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... symlink resumed>) = 0 [pid 1766] <... mkdirat resumed>) = 0 [pid 1765] close(9 [pid 1768] write(1, "executing program\n", 18 [pid 1767] <... symlink resumed>) = 0 [pid 1766] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... write resumed>) = 18 [pid 1767] write(1, "executing program\n", 18 executing program executing program [pid 1765] close(10 [pid 1768] mkdirat(AT_FDCWD, "./config", 0777 [pid 1767] <... write resumed>) = 18 [pid 1766] <... symlinkat resumed>) = 0 [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... mkdirat resumed>) = 0 [pid 1767] mkdirat(AT_FDCWD, "./config", 0777 [pid 1765] close(11 [pid 1766] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1768] mount(NULL, "./config", "configfs", 0, NULL [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... mount resumed>) = 0 [pid 1767] <... mkdirat resumed>) = 0 [pid 1766] <... unlinkat resumed>) = 0 [pid 1765] close(12 [pid 1768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1767] mount(NULL, "./config", "configfs", 0, NULL [pid 1766] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1765] close(13 [pid 1768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1767] <... mount resumed>) = 0 [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1766] <... unlinkat resumed>) = 0 [pid 1765] close(14 [pid 1768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1766] close(3 [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... mkdirat resumed>) = 0 [pid 1765] close(15 [pid 1768] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1768] <... symlinkat resumed>) = 0 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] close(16 [pid 1768] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1766] close(4 [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... unlinkat resumed>) = 0 [pid 1767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] close(17 [pid 1768] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1766] close(5 [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... unlinkat resumed>) = 0 [pid 1767] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] close(18 [pid 1768] close(3 [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1766] close(6 [pid 1765] close(19 [pid 1768] close(4 [pid 1767] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1766] close(7 [pid 1765] close(20 [pid 1768] close(5 [pid 1767] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1766] close(8 [pid 1765] close(21 [pid 1768] close(6 [pid 1767] close(3 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] close(9 [pid 1765] close(22 [pid 1768] close(7 [pid 1767] close(4 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] close(10 [pid 1765] close(23 [pid 1768] close(8 [pid 1767] close(5 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] close(11 [pid 1765] close(24 [pid 1768] close(9 [pid 1767] close(6 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] close(12 [pid 1765] close(25 [pid 1768] close(10 [pid 1767] close(7 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] close(13 [pid 1765] close(26 [pid 1768] close(11 [pid 1767] close(8 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] close(14 [pid 1765] close(27 [pid 1768] close(12 [pid 1767] close(9 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] close(15 [pid 1765] close(28 [pid 1768] close(13 [pid 1767] close(10 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] close(29 [pid 1768] close(14 [pid 1766] close(16 [pid 1765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] close(11 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] exit_group(0 [pid 1768] close(15 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] close(17 [pid 1765] <... exit_group resumed>) = ? [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] close(12 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1765] +++ exited with 0 +++ [pid 311] <... restart_syscall resumed>) = 0 [pid 1768] close(16 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] close(18 [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] close(13 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1768] close(17 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] close(19 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] close(14 [pid 1768] close(18 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./289", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] close(15 [pid 1766] close(20 [pid 1768] close(19 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] close(16 [pid 1766] close(21 [pid 1768] close(20 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] close(17 [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] close(21 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 312] <... restart_syscall resumed>) = 0 [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] close(18 [pid 1766] close(22 [pid 311] fstat(3 [pid 1768] close(22 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] close(19 [pid 1766] close(23 [pid 311] getdents64(3 [pid 1768] close(23 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] close(20 [pid 1766] close(24 [pid 312] umount2("./294", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1768] close(24 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] close(21 [pid 1766] close(25 [pid 312] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1768] close(25 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] close(22 [pid 1766] close(26 [pid 312] fstat(3 [pid 311] <... umount2 resumed>) = 0 [pid 1768] close(26 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] close(23 [pid 1766] close(27 [pid 311] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1768] close(27 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1767] close(24 [pid 1766] close(28 [pid 1768] close(28 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] newfstatat(AT_FDCWD, "./289/config" [pid 1768] close(29 [pid 1767] close(25 [pid 1766] close(29 [pid 312] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1768] exit_group(0 [pid 311] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1767] close(26 [pid 1768] <... exit_group resumed>) = ? [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1766] exit_group(0 [pid 312] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1768] +++ exited with 0 +++ [pid 1767] close(27 [pid 1766] <... exit_group resumed>) = ? [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./289/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1766] +++ exited with 0 +++ [pid 1767] close(28 [pid 312] newfstatat(AT_FDCWD, "./294/config" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1767] close(29 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 1767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1767] exit_group(0 [pid 312] openat(AT_FDCWD, "./294/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1767] <... exit_group resumed>) = ? [pid 311] getdents64(4 [pid 312] <... openat resumed>) = 4 [pid 1767] +++ exited with 0 +++ [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] fstat(4 [pid 311] getdents64(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] getdents64(4 [pid 311] close(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... close resumed>) = 0 [pid 312] getdents64(4 [pid 311] rmdir("./289/config" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4 [pid 311] <... rmdir resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 311] umount2("./289/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./294/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./289/binderfs" [pid 312] umount2("./294/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./289/binderfs" [pid 312] newfstatat(AT_FDCWD, "./294/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./289/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./294/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./289/cgroup.net" [pid 309] umount2("./282", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./294/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 311] unlink("./289/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./294/cgroup.net" [pid 309] fstat(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] unlink("./294/cgroup.net" [pid 311] umount2("./289/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./294/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./289/cgroup.cpu" [pid 309] <... umount2 resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./294/cgroup.cpu" [pid 311] unlink("./289/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./282/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./282/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./294/cgroup.cpu" [pid 311] umount2("./289/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./282/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 313] umount2("./298", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./294/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./289/cgroup" [pid 309] fstat(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./294/cgroup" [pid 311] unlink("./289/cgroup" [pid 309] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 313] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] fstat(3 [pid 312] unlink("./294/cgroup" [pid 311] <... unlink resumed>) = 0 [pid 309] close(4 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 313] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./282/config" [pid 312] getdents64(3 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(3 [pid 311] <... close resumed>) = 0 [pid 309] umount2("./282/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./282/binderfs" [pid 312] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 311] rmdir("./289" [pid 312] rmdir("./294" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./282/binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 311] mkdir("./290", 0777 [pid 309] <... unlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./298/config" [pid 312] mkdir("./295", 0777 [pid 309] umount2("./282/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./282/cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] openat(AT_FDCWD, "./298/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./282/cgroup.net" [pid 313] <... openat resumed>) = 4 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./282/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./282/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1769 attached [pid 309] unlink("./282/cgroup.cpu" [pid 1769] set_robust_list(0x55555bb49760, 24 [pid 309] <... unlink resumed>) = 0 [pid 1769] <... set_robust_list resumed>) = 0 [pid 309] umount2("./282/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1770 attached [pid 1769] rt_sigprocmask(SIG_SETMASK, [] [pid 313] fstat(4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 292 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1770] set_robust_list(0x55555bb49760, 24 [pid 1769] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 297 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./282/cgroup" [pid 1770] <... set_robust_list resumed>) = 0 [pid 1769] chdir("./290" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1770] rt_sigprocmask(SIG_SETMASK, [] [pid 1769] <... chdir resumed>) = 0 [pid 313] getdents64(4 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./282/cgroup" [pid 1770] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1770] chdir("./295" [pid 1769] <... prctl resumed>) = 0 [pid 313] getdents64(4 [pid 310] umount2("./286", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1770] <... chdir resumed>) = 0 [pid 1769] setpgid(0, 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1769] <... setpgid resumed>) = 0 [pid 313] close(4 [pid 310] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(3 [pid 1770] <... prctl resumed>) = 0 [pid 1769] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 1770] setpgid(0, 0 [pid 1769] <... symlink resumed>) = 0 [pid 313] rmdir("./298/config" [pid 310] fstat(3 [pid 309] rmdir("./282" [pid 1770] <... setpgid resumed>) = 0 [pid 1769] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1770] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1769] <... symlink resumed>) = 0 [pid 313] umount2("./298/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] mkdir("./283", 0777 [pid 1770] <... symlink resumed>) = 0 [pid 1769] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... mkdir resumed>) = 0 [pid 1770] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1769] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./298/binderfs" [pid 310] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1770] <... symlink resumed>) = 0 [pid 1769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1770] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1769] <... openat resumed>) = 3 [pid 313] unlink("./298/binderfs" [pid 310] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1770] <... symlink resumed>) = 0 [pid 1769] write(3, "1000", 4 [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1771 attached [pid 1770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1769] <... write resumed>) = 4 [pid 313] umount2("./298/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./286/config" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 285 [pid 1771] set_robust_list(0x55555bb49760, 24 [pid 1770] <... openat resumed>) = 3 [pid 1769] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1771] <... set_robust_list resumed>) = 0 [pid 1770] write(3, "1000", 4 [pid 1769] <... close resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./298/cgroup.net" [pid 310] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1771] rt_sigprocmask(SIG_SETMASK, [] [pid 1770] <... write resumed>) = 4 [pid 1769] symlink("/dev/binderfs", "./binderfs" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1770] close(3 [pid 1769] <... symlink resumed>) = 0 [pid 313] unlink("./298/cgroup.net" [pid 310] openat(AT_FDCWD, "./286/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1771] chdir("./283" [pid 1770] <... close resumed>) = 0 [pid 1769] write(1, "executing program\n", 18 [pid 310] <... openat resumed>) = 4 executing program [pid 1771] <... chdir resumed>) = 0 [pid 1770] symlink("/dev/binderfs", "./binderfs" [pid 1769] <... write resumed>) = 18 [pid 313] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 1771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1770] <... symlink resumed>) = 0 [pid 1769] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1771] <... prctl resumed>) = 0 [pid 1770] write(1, "executing program\n", 18 [pid 1769] <... mkdirat resumed>) = 0 [pid 313] umount2("./298/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1771] setpgid(0, 0 [pid 1770] <... write resumed>) = 18 executing program [pid 1769] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1771] <... setpgid resumed>) = 0 [pid 1770] mkdirat(AT_FDCWD, "./config", 0777 [pid 1769] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1771] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1770] <... mkdirat resumed>) = 0 [pid 1769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] newfstatat(AT_FDCWD, "./298/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1771] <... symlink resumed>) = 0 [pid 1770] mount(NULL, "./config", "configfs", 0, NULL [pid 1769] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 1771] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1770] <... mount resumed>) = 0 [pid 1769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] unlink("./298/cgroup.cpu" [pid 310] <... close resumed>) = 0 [pid 1769] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./286/config" [pid 1771] <... symlink resumed>) = 0 [pid 1770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1771] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1770] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1769] <... mkdirat resumed>) = 0 [pid 313] umount2("./298/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./286/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1769] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1771] <... symlink resumed>) = 0 [pid 1770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1769] <... symlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./286/binderfs" [pid 1771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1770] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1769] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] newfstatat(AT_FDCWD, "./298/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1771] <... openat resumed>) = 3 [pid 1770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1769] <... unlinkat resumed>) = 0 [pid 310] unlink("./286/binderfs" [pid 1771] write(3, "1000", 4 [pid 1770] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1769] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1771] <... write resumed>) = 4 [pid 1770] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1769] <... unlinkat resumed>) = 0 [pid 313] unlink("./298/cgroup" [pid 310] umount2("./286/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1771] close(3 [pid 1770] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1769] close(3 [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1771] <... close resumed>) = 0 [pid 1770] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./286/cgroup.net" [pid 1771] symlink("/dev/binderfs", "./binderfs" [pid 1770] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1769] close(4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1771] <... symlink resumed>) = 0 [pid 1770] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./286/cgroup.net" [pid 1771] write(1, "executing program\n", 18 [pid 1770] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1769] close(5 [pid 313] close(3 [pid 310] <... unlink resumed>) = 0 [pid 1771] <... write resumed>) = 18 [pid 1770] close(3 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 310] umount2("./286/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1771] mkdirat(AT_FDCWD, "./config", 0777 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] close(6 [pid 313] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1771] <... mkdirat resumed>) = 0 [pid 1770] close(4 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./298" [pid 310] newfstatat(AT_FDCWD, "./286/cgroup.cpu" [pid 1771] mount(NULL, "./config", "configfs", 0, NULL [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] close(7 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1771] <... mount resumed>) = 0 [pid 1770] close(5 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] unlink("./286/cgroup.cpu" [pid 1771] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] close(8 [pid 313] mkdir("./299", 0777 [pid 310] <... unlink resumed>) = 0 [pid 1771] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1770] close(6 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./286/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1771] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] close(9 [pid 313] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1771] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1770] close(7 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./286/cgroup" [pid 1771] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] close(10 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./286/cgroup" [pid 1769] close(11 [pid 310] <... unlink resumed>) = 0 [pid 1771] <... mkdirat resumed>) = 0 [pid 1770] close(8 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 1771] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] close(12 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 1769] close(13 [pid 310] <... close resumed>) = 0 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./286"ci2-android-5-15/strace-static-x86_64: Process 1772 attached [pid 1771] <... symlinkat resumed>) = 0 [pid 1770] close(9 [pid 1769] close(14 [pid 310] <... rmdir resumed>) = 0 [pid 1772] set_robust_list(0x55555bb49760, 24 [pid 1771] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 301 [pid 310] mkdir("./287", 0777 [pid 1772] <... set_robust_list resumed>) = 0 [pid 1771] <... unlinkat resumed>) = 0 [pid 1770] close(10 [pid 1769] close(15 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 1772] rt_sigprocmask(SIG_SETMASK, [] [pid 1771] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1772] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1769] close(16 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1772] chdir("./299" [pid 1771] <... unlinkat resumed>) = 0 [pid 1770] close(11 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1772] <... chdir resumed>) = 0 [pid 1771] close(3 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] close(17 [pid 1772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 289 [pid 1772] <... prctl resumed>) = 0 [pid 1769] close(18 [pid 310] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1773 attached [pid 1772] setpgid(0, 0 [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(12 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1773] set_robust_list(0x55555bb49760, 24 [pid 1772] <... setpgid resumed>) = 0 [pid 1771] close(4 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] close(19 [pid 1773] <... set_robust_list resumed>) = 0 [pid 1772] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(13 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] rt_sigprocmask(SIG_SETMASK, [] [pid 1772] <... symlink resumed>) = 0 [pid 1771] close(5 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] close(20 [pid 1773] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1772] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] chdir("./287" [pid 1772] <... symlink resumed>) = 0 [pid 1771] close(6 [pid 1770] close(14 [pid 1769] close(21 [pid 1773] <... chdir resumed>) = 0 [pid 1772] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1772] <... symlink resumed>) = 0 [pid 1771] close(7 [pid 1770] close(15 [pid 1769] close(22 [pid 1773] <... prctl resumed>) = 0 [pid 1772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] setpgid(0, 0 [pid 1772] <... openat resumed>) = 3 [pid 1769] close(23 [pid 1771] close(8 [pid 1773] <... setpgid resumed>) = 0 [pid 1772] write(3, "1000", 4 [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(16 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1772] <... write resumed>) = 4 [pid 1771] close(9 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] close(24 [pid 1773] <... symlink resumed>) = 0 [pid 1772] close(3 [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(17 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1772] <... close resumed>) = 0 [pid 1771] close(10 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] close(25 [pid 1773] <... symlink resumed>) = 0 [pid 1772] symlink("/dev/binderfs", "./binderfs" [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(18 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1772] <... symlink resumed>) = 0 [pid 1771] close(11 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] close(26 [pid 1772] write(1, "executing program\n", 18 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1772] <... write resumed>) = 18 executing program [pid 1769] close(27 [pid 1773] <... symlink resumed>) = 0 [pid 1772] mkdirat(AT_FDCWD, "./config", 0777 [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(19 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1772] <... mkdirat resumed>) = 0 [pid 1771] close(12 [pid 1769] close(28 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] <... openat resumed>) = 3 [pid 1772] mount(NULL, "./config", "configfs", 0, NULL [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(20 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] write(3, "1000", 4 [pid 1772] <... mount resumed>) = 0 [pid 1771] close(13 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] close(29 [pid 1773] <... write resumed>) = 4 [pid 1772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(21 [pid 1769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] close(3 [pid 1772] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1771] close(14 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1769] exit_group(0 [pid 1773] <... close resumed>) = 0 [pid 1772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1769] <... exit_group resumed>) = ? [pid 1773] symlink("/dev/binderfs", "./binderfs" [pid 1772] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(22 [pid 1769] +++ exited with 0 +++ [pid 1773] <... symlink resumed>) = 0 [pid 1772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1773] write(1, "executing program\n", 18 [pid 1772] <... mkdirat resumed>) = 0 [pid 1771] close(15 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1772] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1773] <... write resumed>) = 18 [pid 1772] <... symlinkat resumed>) = 0 [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(23 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1773] mkdirat(AT_FDCWD, "./config", 0777 [pid 1772] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1771] close(16 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] <... mkdirat resumed>) = 0 [pid 1772] <... unlinkat resumed>) = 0 [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 1770] close(24 [pid 1773] mount(NULL, "./config", "configfs", 0, NULL [pid 1772] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1771] close(17 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] <... mount resumed>) = 0 [pid 1772] <... unlinkat resumed>) = 0 [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(25 [pid 1773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1772] close(3 [pid 1771] close(18 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(26 [pid 311] umount2("./290", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1772] close(4 [pid 1771] close(19 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(27 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1772] close(5 [pid 1771] close(20 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1772] close(6) = -1 EBADF (Bad file descriptor) [pid 1772] close(7 [pid 1773] <... mkdirat resumed>) = 0 [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(28 [pid 1773] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1772] close(8 [pid 311] <... openat resumed>) = 3 [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] close(21 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] <... symlinkat resumed>) = 0 [pid 1772] close(9 [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1770] close(29 [pid 311] fstat(3 [pid 1773] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] close(22 [pid 1770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1772] close(10 [pid 1773] <... unlinkat resumed>) = 0 [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1772] close(11 [pid 1770] exit_group(0 [pid 1773] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] close(23 [pid 1770] <... exit_group resumed>) = ? [pid 311] getdents64(3 [pid 1772] close(12 [pid 1773] <... unlinkat resumed>) = 0 [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1772] close(13) = -1 EBADF (Bad file descriptor) [pid 1772] close(14) = -1 EBADF (Bad file descriptor) [pid 1772] close(15) = -1 EBADF (Bad file descriptor) [pid 1772] close(16) = -1 EBADF (Bad file descriptor) [pid 1772] close(17) = -1 EBADF (Bad file descriptor) [pid 1772] close(18) = -1 EBADF (Bad file descriptor) [pid 1772] close(19) = -1 EBADF (Bad file descriptor) [pid 1772] close(20) = -1 EBADF (Bad file descriptor) [pid 1770] +++ exited with 0 +++ [pid 1772] close(21 [pid 1773] close(3 [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] close(24 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1772] close(22 [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1773] close(4 [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] close(25 [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1772] close(23 [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 1773] close(5 [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] close(26 [pid 311] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1772] close(24 [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1773] close(6 [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1772] close(25 [pid 1771] close(27 [pid 311] newfstatat(AT_FDCWD, "./290/config" [pid 1773] close(7 [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1772] close(26 [pid 1771] close(28 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] close(8 [pid 1772] close(27 [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] close(29 [pid 1773] close(9 [pid 1772] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1772] close(29 [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./290/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1773] close(10 [pid 1772] exit_group(0) = ? [pid 1771] exit_group(0 [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1772] +++ exited with 0 +++ [pid 1771] <... exit_group resumed>) = ? [pid 311] <... openat resumed>) = 4 [pid 1773] close(11) = -1 EBADF (Bad file descriptor) [pid 1771] +++ exited with 0 +++ [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] fstat(4 [pid 1773] close(12 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1773] close(13 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1773] close(14 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 1773] close(15 [pid 311] <... close resumed>) = 0 [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./290/config" [pid 1773] close(16 [pid 311] <... rmdir resumed>) = 0 [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./290/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1773] close(17 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./290/binderfs" [pid 1773] close(18) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1773] close(19 [pid 311] unlink("./290/binderfs" [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] close(20 [pid 311] <... unlink resumed>) = 0 [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./290/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1773] close(21 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] close(22 [pid 311] newfstatat(AT_FDCWD, "./290/cgroup.net" [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1773] close(23 [pid 311] unlink("./290/cgroup.net" [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] close(24 [pid 311] <... unlink resumed>) = 0 [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./290/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1773] close(25 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./290/cgroup.cpu" [pid 1773] close(26) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1773] close(27 [pid 311] unlink("./290/cgroup.cpu" [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1773] close(28 [pid 311] <... unlink resumed>) = 0 [pid 1773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./290/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1773] close(29) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1773] exit_group(0 [pid 311] newfstatat(AT_FDCWD, "./290/cgroup" [pid 1773] <... exit_group resumed>) = ? [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1773] +++ exited with 0 +++ [pid 311] unlink("./290/cgroup" [pid 312] umount2("./295", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] getdents64(3 [pid 312] <... openat resumed>) = 3 [pid 312] fstat(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3 [pid 311] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 311] rmdir("./290" [pid 312] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./295/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] mkdir("./291", 0777 [pid 312] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] <... mkdir resumed>) = 0 [pid 312] openat(AT_FDCWD, "./295/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4) = 0 [pid 312] rmdir("./295/config") = 0 [pid 312] umount2("./295/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1774 attached [pid 312] newfstatat(AT_FDCWD, "./295/binderfs" [pid 1774] set_robust_list(0x55555bb49760, 24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 293 [pid 1774] <... set_robust_list resumed>) = 0 [pid 312] unlink("./295/binderfs" [pid 1774] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... unlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1774] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./295/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1774] chdir("./291" [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1774] <... chdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./295/cgroup.net" [pid 1774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1774] <... prctl resumed>) = 0 [pid 313] umount2("./299", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./295/cgroup.net" [pid 310] <... restart_syscall resumed>) = 0 [pid 1774] setpgid(0, 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1774] <... setpgid resumed>) = 0 [pid 312] umount2("./295/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1774] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./295/cgroup.cpu" [pid 310] umount2("./287", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1774] <... symlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... openat resumed>) = 3 [pid 312] unlink("./295/cgroup.cpu" [pid 1774] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] fstat(3 [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./283", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1774] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] umount2("./295/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1774] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] getdents64(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./295/cgroup" [pid 310] <... openat resumed>) = 3 [pid 1774] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./295/cgroup" [pid 310] fstat(3 [pid 1774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... umount2 resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1774] <... openat resumed>) = 3 [pid 313] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 309] fstat(3 [pid 1774] write(3, "1000", 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1774] <... write resumed>) = 4 [pid 313] newfstatat(AT_FDCWD, "./299/config" [pid 312] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1774] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 310] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1774] <... close resumed>) = 0 [pid 313] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rmdir("./295" [pid 1774] symlink("/dev/binderfs", "./binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1774] <... symlink resumed>) = 0 [pid 313] openat(AT_FDCWD, "./299/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] mkdir("./296", 0777 [pid 310] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1774] write(1, "executing program\n", 18 [pid 313] <... openat resumed>) = 4 [pid 312] <... mkdir resumed>) = 0 executing program [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1774] <... write resumed>) = 18 [pid 313] fstat(4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = 0 [pid 1774] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./287/config" [pid 309] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1774] <... mkdirat resumed>) = 0 [pid 313] getdents64(4 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1774] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] getdents64(4 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 298 ci2-android-5-15/strace-static-x86_64: Process 1775 attached [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1775] set_robust_list(0x55555bb49760, 24 [pid 1774] <... mount resumed>) = 0 [pid 313] close(4 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./283/config" [pid 1775] <... set_robust_list resumed>) = 0 [pid 1774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] rmdir("./299/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1775] rt_sigprocmask(SIG_SETMASK, [] [pid 1774] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rmdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./287/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./283/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1775] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./299/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1775] chdir("./296" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1775] <... chdir resumed>) = 0 [pid 1774] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./299/binderfs" [pid 310] fstat(4 [pid 309] openat(AT_FDCWD, "./283/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1775] <... prctl resumed>) = 0 [pid 313] unlink("./299/binderfs" [pid 309] <... openat resumed>) = 4 [pid 1775] setpgid(0, 0 [pid 1774] <... mkdirat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] fstat(4 [pid 1775] <... setpgid resumed>) = 0 [pid 1774] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] umount2("./299/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1775] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1774] <... symlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./299/cgroup.net" [pid 1775] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 1775] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1774] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] unlink("./299/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1775] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1775] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1774] <... unlinkat resumed>) = 0 [pid 313] umount2("./299/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 309] getdents64(4 [pid 1775] <... symlink resumed>) = 0 [pid 1774] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] newfstatat(AT_FDCWD, "./299/cgroup.cpu" [pid 1774] <... unlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./287/config" [pid 309] close(4 [pid 1775] <... openat resumed>) = 3 [pid 1774] close(3 [pid 313] unlink("./299/cgroup.cpu" [pid 1775] write(3, "1000", 4 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1775] <... write resumed>) = 4 [pid 1774] close(4 [pid 313] umount2("./299/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1775] close(3 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./287/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./283/config" [pid 1775] <... close resumed>) = 0 [pid 1774] close(5 [pid 313] newfstatat(AT_FDCWD, "./299/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1775] symlink("/dev/binderfs", "./binderfs" [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./299/cgroup" [pid 310] newfstatat(AT_FDCWD, "./287/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 1775] <... symlink resumed>) = 0 [pid 1774] close(6 [pid 313] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1775] write(1, "executing program\n", 18 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 executing program [pid 310] unlink("./287/binderfs" [pid 309] umount2("./283/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1775] <... write resumed>) = 18 [pid 1774] close(7 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1775] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] close(3 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1775] <... mkdirat resumed>) = 0 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] umount2("./287/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./283/binderfs" [pid 1775] mount(NULL, "./config", "configfs", 0, NULL [pid 1774] close(8 [pid 313] rmdir("./299" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1775] <... mount resumed>) = 0 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./287/cgroup.net" [pid 1775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1774] close(9 [pid 313] mkdir("./300", 0777 [pid 309] unlink("./283/binderfs" [pid 1775] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 1775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 1774] close(10 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] unlink("./287/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1776 attached [pid 1775] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./283/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1776] set_robust_list(0x55555bb49760, 24 [pid 1775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1774] close(11 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 302 [pid 310] umount2("./287/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1776] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1775] <... mkdirat resumed>) = 0 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./283/cgroup.net" [pid 1776] rt_sigprocmask(SIG_SETMASK, [] [pid 1774] close(12 [pid 1776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1775] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./287/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1776] chdir("./300" [pid 1775] <... symlinkat resumed>) = 0 [pid 1774] close(13 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./283/cgroup.net" [pid 1776] <... chdir resumed>) = 0 [pid 1775] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./287/cgroup.cpu" [pid 309] <... unlink resumed>) = 0 [pid 1775] <... unlinkat resumed>) = 0 [pid 1774] close(14 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./283/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1775] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./287/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1776] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1775] <... unlinkat resumed>) = 0 [pid 1774] close(15 [pid 1776] setpgid(0, 0 [pid 1775] close(3 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./283/cgroup.cpu" [pid 1776] <... setpgid resumed>) = 0 [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1774] close(16 [pid 310] newfstatat(AT_FDCWD, "./287/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1776] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./283/cgroup.cpu" [pid 1776] <... symlink resumed>) = 0 [pid 1775] close(4 [pid 1774] close(17 [pid 310] unlink("./287/cgroup" [pid 1776] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1776] <... symlink resumed>) = 0 [pid 1774] close(18 [pid 310] getdents64(3 [pid 1775] close(5 [pid 309] umount2("./283/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1776] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1776] <... symlink resumed>) = 0 [pid 1774] close(19 [pid 1775] close(6 [pid 310] close(3 [pid 309] newfstatat(AT_FDCWD, "./283/cgroup" [pid 1776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1776] <... openat resumed>) = 3 [pid 1774] close(20) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./287" [pid 309] unlink("./283/cgroup" [pid 1776] write(3, "1000", 4 [pid 1775] close(7 [pid 1774] close(21 [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1776] <... write resumed>) = 4 [pid 1775] close(8 [pid 1774] close(22 [pid 310] mkdir("./288", 0777 [pid 309] getdents64(3 [pid 1776] close(3 [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] <... close resumed>) = 0 [pid 1775] close(9 [pid 310] <... mkdir resumed>) = 0 [pid 1774] close(23 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1776] symlink("/dev/binderfs", "./binderfs" [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(3 [pid 1776] <... symlink resumed>) = 0 [pid 1775] close(10 [pid 1774] close(24 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] write(1, "executing program\n", 18 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1775] close(11 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./283" [pid 1776] <... write resumed>) = 18 [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1774] close(25ci2-android-5-15/strace-static-x86_64: Process 1777 attached [pid 309] <... rmdir resumed>) = 0 executing program [pid 1777] set_robust_list(0x55555bb49760, 24 [pid 1776] mkdirat(AT_FDCWD, "./config", 0777 [pid 1775] close(12 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 290 [pid 309] mkdir("./284", 0777 [pid 1777] <... set_robust_list resumed>) = 0 [pid 1776] <... mkdirat resumed>) = 0 [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1774] close(26 [pid 1777] rt_sigprocmask(SIG_SETMASK, [] [pid 1776] mount(NULL, "./config", "configfs", 0, NULL [pid 1775] close(13 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 1777] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1777] chdir("./288" [pid 1776] <... mount resumed>) = 0 [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1774] close(27 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1777] <... chdir resumed>) = 0 [pid 1776] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1775] close(14 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1776] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1774] close(28 [pid 1777] <... prctl resumed>) = 0 [pid 1776] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1775] close(15 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1777] setpgid(0, 0 [pid 1776] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1774] close(29 [pid 1777] <... setpgid resumed>) = 0 [pid 1777] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 1777] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1778 attached ) = 0 [pid 1776] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1775] close(16 [pid 1774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] set_robust_list(0x55555bb49760, 24 [pid 1777] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1778] <... set_robust_list resumed>) = 0 [pid 1777] <... symlink resumed>) = 0 [pid 1778] rt_sigprocmask(SIG_SETMASK, [] [pid 1777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1776] <... mkdirat resumed>) = 0 [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1774] exit_group(0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 286 [pid 1778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1777] <... openat resumed>) = 3 [pid 1776] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1778] chdir("./284" [pid 1777] write(3, "1000", 4 [pid 1775] close(17 [pid 1774] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1778] <... chdir resumed>) = 0 [pid 1777] <... write resumed>) = 4 [pid 1776] <... symlinkat resumed>) = 0 [pid 1778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1777] close(3 [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] <... prctl resumed>) = 0 [pid 1777] <... close resumed>) = 0 [pid 1778] setpgid(0, 0 [pid 1777] symlink("/dev/binderfs", "./binderfs" [pid 1778] <... setpgid resumed>) = 0 [pid 1777] <... symlink resumed>) = 0 [pid 1778] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1777] write(1, "executing program\n", 18 [pid 1774] +++ exited with 0 +++ executing program [pid 1775] close(18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1778] <... symlink resumed>) = 0 [pid 1777] <... write resumed>) = 18 [pid 1776] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1778] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1777] mkdirat(AT_FDCWD, "./config", 0777 [pid 1778] <... symlink resumed>) = 0 [pid 1777] <... mkdirat resumed>) = 0 [pid 1776] <... unlinkat resumed>) = 0 [pid 1775] close(19 [pid 1778] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1777] mount(NULL, "./config", "configfs", 0, NULL [pid 1778] <... symlink resumed>) = 0 [pid 1777] <... mount resumed>) = 0 [pid 1776] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1778] <... openat resumed>) = 3 [pid 1777] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1776] <... unlinkat resumed>) = 0 [pid 1775] close(20 [pid 311] umount2("./291", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1778] write(3, "1000", 4 [pid 1777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1776] close(3 [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] <... write resumed>) = 4 [pid 1777] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1775] close(21 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1778] close(3 [pid 1777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1776] close(4 [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] <... close resumed>) = 0 [pid 1777] <... mkdirat resumed>) = 0 [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1775] close(22 [pid 311] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1778] symlink("/dev/binderfs", "./binderfs" [pid 1777] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1778] <... symlink resumed>) = 0 [pid 1777] <... symlinkat resumed>) = 0 [pid 1776] close(5 [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1778] write(1, "executing program\n", 18 executing program [pid 1777] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1775] close(23 [pid 311] fstat(3 [pid 1778] <... write resumed>) = 18 [pid 1777] <... unlinkat resumed>) = 0 [pid 1776] close(6 [pid 1778] mkdirat(AT_FDCWD, "./config", 0777 [pid 1777] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1778] <... mkdirat resumed>) = 0 [pid 1777] <... unlinkat resumed>) = 0 [pid 1776] close(7 [pid 1775] close(24 [pid 1778] mount(NULL, "./config", "configfs", 0, NULL [pid 1777] close(3 [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1778] <... mount resumed>) = 0 [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] close(8 [pid 1775] close(25 [pid 1778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1777] close(4 [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1778] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] close(9 [pid 1775] close(26 [pid 311] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1777] close(5 [pid 1778] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1777] close(6 [pid 1776] close(10 [pid 1775] close(27 [pid 311] <... umount2 resumed>) = 0 [pid 1778] <... mkdirat resumed>) = 0 [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1778] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1777] close(7 [pid 1776] close(11 [pid 1775] close(28 [pid 1778] <... symlinkat resumed>) = 0 [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1778] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1777] close(8 [pid 1776] close(12 [pid 1775] close(29 [pid 311] newfstatat(AT_FDCWD, "./291/config" [pid 1778] <... unlinkat resumed>) = 0 [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1777] close(9 [pid 1776] close(13 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1778] <... unlinkat resumed>) = 0 [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1775] exit_group(0 [pid 311] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1778] close(3 [pid 1777] close(10 [pid 1776] close(14 [pid 1775] <... exit_group resumed>) = ? [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1778] close(4 [pid 1777] close(11 [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] close(5 [pid 1777] close(12 [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] close(6 [pid 1777] close(13 [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] close(7 [pid 1777] close(14 [pid 1775] +++ exited with 0 +++ [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] close(15 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] openat(AT_FDCWD, "./291/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1778] close(8 [pid 1777] close(15 [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] close(9 [pid 1777] close(16 [pid 1776] close(16 [pid 311] <... openat resumed>) = 4 [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 1778] close(10 [pid 1777] close(17 [pid 1776] close(17 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] close(11 [pid 1777] close(18 [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] close(18 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1778] close(12 [pid 1777] close(19 [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] close(19 [pid 1778] close(13 [pid 1777] close(20 [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] close(20 [pid 311] close(4 [pid 1778] close(14 [pid 1777] close(21 [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1778] close(15 [pid 1777] close(22 [pid 1776] close(21 [pid 311] rmdir("./291/config" [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] close(16 [pid 1777] close(23 [pid 311] <... rmdir resumed>) = 0 [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] close(22 [pid 311] umount2("./291/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1778] close(17 [pid 1777] close(24 [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1778] close(18 [pid 1777] close(25 [pid 1776] close(23 [pid 311] newfstatat(AT_FDCWD, "./291/binderfs" [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] close(19 [pid 1777] close(26 [pid 1776] close(24 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] close(20 [pid 1777] close(27 [pid 311] unlink("./291/binderfs" [pid 1776] close(25 [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] close(21 [pid 1777] close(28 [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] close(26 [pid 311] umount2("./291/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1778] close(22 [pid 1777] close(29 [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] close(27 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1778] close(23 [pid 1777] exit_group(0 [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1777] <... exit_group resumed>) = ? [pid 1776] close(28 [pid 311] newfstatat(AT_FDCWD, "./291/cgroup.net" [pid 1778] close(24 [pid 1777] +++ exited with 0 +++ [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] close(25) = -1 EBADF (Bad file descriptor) [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1778] close(26 [pid 1776] close(29 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./291/cgroup.net" [pid 1778] close(27 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1776] exit_group(0 [pid 1778] close(28 [pid 311] <... unlink resumed>) = 0 [pid 1776] <... exit_group resumed>) = ? [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./291/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1778] close(29) = -1 EBADF (Bad file descriptor) [pid 1778] exit_group(0) = ? [pid 1778] +++ exited with 0 +++ [pid 1776] +++ exited with 0 +++ [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] newfstatat(AT_FDCWD, "./291/cgroup.cpu" [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] unlink("./291/cgroup.cpu" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... unlink resumed>) = 0 [pid 311] umount2("./291/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./291/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./291/cgroup") = 0 [pid 311] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] close(3) = 0 [pid 311] rmdir("./291") = 0 [pid 311] mkdir("./292", 0777 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] umount2("./296", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1779 attached [pid 312] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1779] set_robust_list(0x55555bb49760, 24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./296/config" [pid 1779] <... set_robust_list resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 294 [pid 312] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1779] rt_sigprocmask(SIG_SETMASK, [] [pid 312] openat(AT_FDCWD, "./296/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1779] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... openat resumed>) = 4 [pid 312] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1779] chdir("./292" [pid 312] getdents64(4 [pid 1779] <... chdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(4 [pid 1779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1779] <... prctl resumed>) = 0 [pid 312] close(4) = 0 [pid 312] rmdir("./296/config" [pid 1779] setpgid(0, 0 [pid 312] <... rmdir resumed>) = 0 [pid 1779] <... setpgid resumed>) = 0 [pid 312] umount2("./296/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1779] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./296/binderfs" [pid 310] umount2("./288", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1779] <... symlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1779] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 312] unlink("./296/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1779] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1779] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 312] umount2("./296/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1779] <... symlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./296/cgroup.net" [pid 1779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 312] unlink("./296/cgroup.net" [pid 1779] <... openat resumed>) = 3 [pid 312] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 1779] write(3, "1000", 4 [pid 312] umount2("./296/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1779] <... write resumed>) = 4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./296/cgroup.cpu" [pid 1779] close(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 1779] <... close resumed>) = 0 [pid 312] unlink("./296/cgroup.cpu" [pid 1779] symlink("/dev/binderfs", "./binderfs" [pid 312] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] umount2("./296/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1779] <... symlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./296/cgroup" [pid 1779] write(1, "executing program\n", 18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 310] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1779] <... write resumed>) = 18 [pid 312] unlink("./296/cgroup") = 0 [pid 1779] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1779] <... mkdirat resumed>) = 0 [pid 312] close(3 [pid 1779] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... close resumed>) = 0 [pid 310] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1779] <... mount resumed>) = 0 [pid 312] rmdir("./296" [pid 309] <... restart_syscall resumed>) = 0 [pid 1779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] mkdir("./297", 0777 [pid 310] newfstatat(AT_FDCWD, "./288/config" [pid 312] <... mkdir resumed>) = 0 [pid 1779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./284", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1780 attached [pid 1779] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 299 [pid 1780] set_robust_list(0x55555bb49760, 24 [pid 1779] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... restart_syscall resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./288/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1780] <... set_robust_list resumed>) = 0 [pid 1779] <... symlinkat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 1780] rt_sigprocmask(SIG_SETMASK, [] [pid 1779] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(4 [pid 309] <... openat resumed>) = 3 [pid 1780] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] umount2("./300", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1780] chdir("./297" [pid 1779] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] fstat(3 [pid 1780] <... chdir resumed>) = 0 [pid 1779] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1779] <... unlinkat resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1780] <... prctl resumed>) = 0 [pid 1779] close(3 [pid 313] fstat(3 [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 1780] setpgid(0, 0 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1780] <... setpgid resumed>) = 0 [pid 313] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1780] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1779] close(4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] close(4 [pid 309] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1780] <... symlink resumed>) = 0 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1780] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1779] close(5 [pid 313] <... umount2 resumed>) = 0 [pid 310] rmdir("./288/config" [pid 309] <... umount2 resumed>) = 0 [pid 313] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1780] <... symlink resumed>) = 0 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./300/config" [pid 1780] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1779] close(6 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1780] <... symlink resumed>) = 0 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./288/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1779] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] openat(AT_FDCWD, "./300/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1780] <... openat resumed>) = 3 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./288/binderfs" [pid 309] newfstatat(AT_FDCWD, "./284/config" [pid 1780] write(3, "1000", 4 [pid 1779] close(8 [pid 313] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1780] <... write resumed>) = 4 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1780] close(3 [pid 1779] close(9 [pid 313] getdents64(4 [pid 310] unlink("./288/binderfs" [pid 309] umount2("./284/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1780] <... close resumed>) = 0 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1780] symlink("/dev/binderfs", "./binderfs" [pid 1779] close(10 [pid 313] <... close resumed>) = 0 [pid 310] umount2("./288/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./284/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1780] <... symlink resumed>) = 0 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./300/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1780] write(1, "executing program\n", 18 [pid 1779] close(11 [pid 313] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./288/cgroup.net" [pid 309] <... openat resumed>) = 4 [pid 1780] <... write resumed>) = 18 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./300/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 309] fstat(4 [pid 1780] mkdirat(AT_FDCWD, "./config", 0777 [pid 1779] close(12 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./288/cgroup.net" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] newfstatat(AT_FDCWD, "./300/binderfs" [pid 1780] <... mkdirat resumed>) = 0 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1780] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 1779] close(13 [pid 313] unlink("./300/binderfs" [pid 1780] <... mount resumed>) = 0 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./288/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1779] close(14 [pid 313] umount2("./300/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./300/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./300/cgroup.net") = 0 [pid 313] umount2("./300/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./300/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1780] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./288/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1779] close(15 [pid 313] unlink("./300/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 1780] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1779] close(16 [pid 313] umount2("./300/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./288/cgroup.cpu" [pid 309] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1780] <... mkdirat resumed>) = 0 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./300/cgroup" [pid 309] rmdir("./284/config" [pid 1780] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1779] close(17 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 313] unlink("./300/cgroup" [pid 309] <... rmdir resumed>) = 0 [pid 1780] <... symlinkat resumed>) = 0 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./288/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./284/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1780] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1779] close(18 [pid 313] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1780] <... unlinkat resumed>) = 0 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./288/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1780] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1779] close(19 [pid 313] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./284/binderfs" [pid 1780] <... unlinkat resumed>) = 0 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] unlink("./288/cgroup" [pid 1780] close(3 [pid 1779] close(20 [pid 313] rmdir("./300" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./284/binderfs" [pid 1780] close(4 [pid 1779] close(21 [pid 313] mkdir("./301", 0777 [pid 310] getdents64(3 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1780] close(5 [pid 1779] close(22 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] close(3 [pid 309] umount2("./284/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1780] close(6 [pid 1779] close(23 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1781 attached [pid 1780] close(7 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 303 [pid 1781] set_robust_list(0x55555bb49760, 24 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1779] close(24 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./288" [pid 309] newfstatat(AT_FDCWD, "./284/cgroup.net" [pid 1781] <... set_robust_list resumed>) = 0 [pid 1780] close(8 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1781] rt_sigprocmask(SIG_SETMASK, [] [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1779] close(25 [pid 310] mkdir("./289", 0777 [pid 309] unlink("./284/cgroup.net" [pid 1781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1780] close(9 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1781] chdir("./301" [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1779] close(26 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./284/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1781] <... chdir resumed>) = 0 [pid 1780] close(10 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1779] close(27 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1782 attached [pid 1781] <... prctl resumed>) = 0 [pid 1780] close(11 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./284/cgroup.cpu" [pid 1782] set_robust_list(0x55555bb49760, 24 [pid 1781] setpgid(0, 0 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1779] close(28 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 291 [pid 1782] <... set_robust_list resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1782] rt_sigprocmask(SIG_SETMASK, [] [pid 1781] <... setpgid resumed>) = 0 [pid 1780] close(12 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./284/cgroup.cpu" [pid 1782] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1781] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1779] close(29 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1782] chdir("./289" [pid 309] <... unlink resumed>) = 0 [pid 1782] <... chdir resumed>) = 0 [pid 1781] <... symlink resumed>) = 0 [pid 1780] close(13 [pid 1779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./284/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1781] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1782] <... prctl resumed>) = 0 [pid 1779] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1782] setpgid(0, 0 [pid 1781] <... symlink resumed>) = 0 [pid 1780] close(14 [pid 1779] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./284/cgroup" [pid 1782] <... setpgid resumed>) = 0 [pid 1781] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1782] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 1782] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 1782] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1779] +++ exited with 0 +++ [pid 1782] <... symlink resumed>) = 0 [pid 1780] close(15 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1781] <... symlink resumed>) = 0 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] unlink("./284/cgroup" [pid 1782] <... openat resumed>) = 3 [pid 1781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1780] close(16 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1782] write(3, "1000", 4 [pid 309] <... unlink resumed>) = 0 [pid 1782] <... write resumed>) = 4 [pid 1781] <... openat resumed>) = 3 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1782] close(3 [pid 1781] write(3, "1000", 4 [pid 1780] close(17 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1782] <... close resumed>) = 0 [pid 1782] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1781] <... write resumed>) = 4 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1782] write(1, "executing program\n", 18 [pid 1781] close(3 [pid 1782] <... write resumed>) = 18 [pid 1780] close(18 [pid 309] <... close resumed>) = 0 executing program [pid 1782] mkdirat(AT_FDCWD, "./config", 0777 [pid 1781] <... close resumed>) = 0 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rmdir("./284" [pid 1782] <... mkdirat resumed>) = 0 [pid 1781] symlink("/dev/binderfs", "./binderfs" [pid 1780] close(19 [pid 1782] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rmdir resumed>) = 0 [pid 1782] <... mount resumed>) = 0 [pid 1781] <... symlink resumed>) = 0 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./285", 0777 [pid 1782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1781] write(1, "executing program\n", 18 [pid 1780] close(20 [pid 1782] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1781] <... write resumed>) = 18 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1782] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 1781] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1780] close(21 [pid 1782] <... mkdirat resumed>) = 0 [pid 1781] <... mkdirat resumed>) = 0 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1782] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1781] mount(NULL, "./config", "configfs", 0, NULL [pid 1780] close(22 [pid 311] umount2("./292", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1782] <... symlinkat resumed>) = 0 [pid 1782] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1781] <... mount resumed>) = 0 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1782] <... unlinkat resumed>) = 0 [pid 1782] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 ci2-android-5-15/strace-static-x86_64: Process 1783 attached [pid 1782] close(3 [pid 1781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1780] close(23 [pid 311] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1783] set_robust_list(0x55555bb49760, 24 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... set_robust_list resumed>) = 0 [pid 1782] close(4 [pid 1781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1780] close(24 [pid 311] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 287 [pid 1783] rt_sigprocmask(SIG_SETMASK, [] [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1783] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1782] close(5 [pid 1781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1780] close(25 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1783] chdir("./285" [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... chdir resumed>) = 0 [pid 1782] close(6 [pid 1783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] <... mkdirat resumed>) = 0 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1783] <... prctl resumed>) = 0 [pid 1782] close(7 [pid 1781] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1780] close(26 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1783] setpgid(0, 0 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... setpgid resumed>) = 0 [pid 1782] close(8 [pid 1781] <... symlinkat resumed>) = 0 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1783] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1780] close(27 [pid 1783] <... symlink resumed>) = 0 [pid 1782] close(9 [pid 311] <... umount2 resumed>) = 0 [pid 1783] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] <... unlinkat resumed>) = 0 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1783] <... symlink resumed>) = 0 [pid 1782] close(10 [pid 1781] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1780] close(28 [pid 1783] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1783] <... symlink resumed>) = 0 [pid 1782] close(11 [pid 1781] <... unlinkat resumed>) = 0 [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... openat resumed>) = 3 [pid 1782] close(12 [pid 1780] close(29 [pid 311] newfstatat(AT_FDCWD, "./292/config" [pid 1781] close(3 [pid 1783] write(3, "1000", 4 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1783] <... write resumed>) = 4 [pid 1782] close(13 [pid 1781] close(4 [pid 1783] close(3 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1780] exit_group(0 [pid 311] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1783] <... close resumed>) = 0 [pid 1782] close(14 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1780] <... exit_group resumed>) = ? [pid 1783] symlink("/dev/binderfs", "./binderfs" [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1783] <... symlink resumed>) = 0 [pid 1782] close(15 [pid 1781] close(5 [pid 1783] write(1, "executing program\n", 18 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... write resumed>) = 18 [pid 1782] close(16 [pid 1783] mkdirat(AT_FDCWD, "./config", 0777 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... mkdirat resumed>) = 0 executing program [pid 1782] close(17 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1780] +++ exited with 0 +++ [pid 311] openat(AT_FDCWD, "./292/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1783] mount(NULL, "./config", "configfs", 0, NULL [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(6 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1783] <... mount resumed>) = 0 [pid 1782] close(18 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... openat resumed>) = 4 [pid 1783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(7 [pid 311] fstat(4 [pid 1783] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1782] close(19 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1782] close(20 [pid 1781] close(8 [pid 311] getdents64(4 [pid 1783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1783] <... mkdirat resumed>) = 0 [pid 1782] close(21 [pid 1781] close(9 [pid 311] getdents64(4 [pid 1783] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... symlinkat resumed>) = 0 [pid 1782] close(22 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1783] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... unlinkat resumed>) = 0 [pid 1782] close(23 [pid 1781] close(10 [pid 311] close(4 [pid 1783] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... unlinkat resumed>) = 0 [pid 1782] close(24 [pid 311] <... close resumed>) = 0 [pid 1783] close(3 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1782] close(25 [pid 1781] close(11 [pid 311] rmdir("./292/config" [pid 1783] close(4 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1782] close(26 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1783] close(5 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(12 [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1782] close(27 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./292/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1783] close(6 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(13 [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1782] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1783] close(7 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1782] close(29 [pid 1781] close(14 [pid 311] newfstatat(AT_FDCWD, "./292/binderfs" [pid 1783] close(8 [pid 1782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1782] exit_group(0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1781] close(15 [pid 1783] close(9 [pid 1782] <... exit_group resumed>) = ? [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./292/binderfs" [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(16 [pid 311] <... unlink resumed>) = 0 [pid 1783] close(10 [pid 1782] +++ exited with 0 +++ [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./292/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(17 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1783] close(11 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./292/cgroup.net" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(18 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1783] close(12 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./292/cgroup.net" [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(19 [pid 311] <... unlink resumed>) = 0 [pid 1783] close(13 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./292/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(20 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1783] close(14 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./292/cgroup.cpu" [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(21 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1783] close(15 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./292/cgroup.cpu" [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(22 [pid 311] <... unlink resumed>) = 0 [pid 1783] close(16 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./292/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(23 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1783] close(17 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./292/cgroup" [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(24 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1783] close(18 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./292/cgroup" [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(25 [pid 311] <... unlink resumed>) = 0 [pid 1783] close(19 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(26 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1783] close(20 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 311] close(3 [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(27 [pid 311] <... close resumed>) = 0 [pid 1783] close(21 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./292" [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(28 [pid 311] <... rmdir resumed>) = 0 [pid 1783] close(22 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./297", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] mkdir("./293", 0777 [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... mkdir resumed>) = 0 [pid 1783] close(23 [pid 1781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] exit_group(0 [pid 312] <... openat resumed>) = 3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1783] close(24 [pid 1781] <... exit_group resumed>) = ? [pid 312] fstat(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1784 attached [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1781] +++ exited with 0 +++ [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1784] set_robust_list(0x55555bb49760, 24 [pid 1783] close(25 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] getdents64(3 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 295 [pid 1784] <... set_robust_list resumed>) = 0 [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1784] rt_sigprocmask(SIG_SETMASK, [] [pid 1783] close(26 [pid 312] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./289", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1784] chdir("./293" [pid 1783] close(27 [pid 312] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1784] <... chdir resumed>) = 0 [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 1784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1783] close(28 [pid 312] newfstatat(AT_FDCWD, "./297/config" [pid 310] fstat(3 [pid 1784] <... prctl resumed>) = 0 [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1784] setpgid(0, 0 [pid 1783] close(29 [pid 312] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1784] <... setpgid resumed>) = 0 [pid 1783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1784] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 310] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1783] exit_group(0 [pid 1784] <... symlink resumed>) = 0 [pid 312] openat(AT_FDCWD, "./297/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1783] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = 0 [pid 1784] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 312] <... openat resumed>) = 4 [pid 310] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./289/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./289/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1783] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 4 [pid 1784] <... symlink resumed>) = 0 [pid 312] fstat(4 [pid 310] fstat(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1784] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1784] <... symlink resumed>) = 0 [pid 312] getdents64(4 [pid 310] getdents64(4 [pid 1784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1784] <... openat resumed>) = 3 [pid 312] getdents64(4 [pid 310] getdents64(4 [pid 1784] write(3, "1000", 4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1784] <... write resumed>) = 4 [pid 312] close(4 [pid 310] close(4 [pid 1784] close(3 [pid 312] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1784] <... close resumed>) = 0 [pid 312] rmdir("./297/config" [pid 310] rmdir("./289/config" [pid 1784] symlink("/dev/binderfs", "./binderfs" [pid 312] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1784] <... symlink resumed>) = 0 [pid 312] umount2("./297/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./289/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 1784] write(1, "executing program\n", 18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1784] <... write resumed>) = 18 [pid 312] newfstatat(AT_FDCWD, "./297/binderfs" [pid 310] newfstatat(AT_FDCWD, "./289/binderfs" [pid 1784] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./285", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1784] <... mkdirat resumed>) = 0 [pid 312] unlink("./297/binderfs" [pid 310] unlink("./289/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1784] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1784] <... mount resumed>) = 0 [pid 312] umount2("./297/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./289/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 1784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1784] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] newfstatat(AT_FDCWD, "./297/cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./289/cgroup.net" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1784] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./301", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./297/cgroup.net" [pid 310] unlink("./289/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1784] <... mkdirat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./297/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./289/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 1784] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... openat resumed>) = 3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1784] <... symlinkat resumed>) = 0 [pid 313] fstat(3 [pid 312] newfstatat(AT_FDCWD, "./297/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./289/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1784] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./285/config" [pid 1784] <... unlinkat resumed>) = 0 [pid 313] getdents64(3 [pid 312] unlink("./297/cgroup.cpu" [pid 310] unlink("./289/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1784] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./285/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1784] <... unlinkat resumed>) = 0 [pid 313] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./297/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./289/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1784] close(3 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./285/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./297/cgroup" [pid 310] newfstatat(AT_FDCWD, "./289/cgroup" [pid 309] <... openat resumed>) = 4 [pid 1784] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./301/config" [pid 312] unlink("./297/cgroup" [pid 310] unlink("./289/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1784] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1784] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./301/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] close(3 [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1784] close(7 [pid 313] <... openat resumed>) = 4 [pid 312] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] close(4 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] rmdir("./297" [pid 310] rmdir("./289" [pid 309] <... close resumed>) = 0 [pid 1784] close(8 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./285/config" [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] mkdir("./298", 0777 [pid 310] mkdir("./290", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 1784] close(9 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... mkdir resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./285/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1784] close(10 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./285/binderfs" [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1786 attached ci2-android-5-15/strace-static-x86_64: Process 1785 attached [pid 1784] close(11 [pid 313] <... close resumed>) = 0 [pid 309] unlink("./285/binderfs" [pid 1786] set_robust_list(0x55555bb49760, 24 [pid 1785] set_robust_list(0x55555bb49760, 24 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./301/config" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 300 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 292 [pid 309] <... unlink resumed>) = 0 [pid 1786] <... set_robust_list resumed>) = 0 [pid 1785] <... set_robust_list resumed>) = 0 [pid 1784] close(12 [pid 313] <... rmdir resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./285/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1786] rt_sigprocmask(SIG_SETMASK, [] [pid 1785] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1786] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1785] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1784] close(13 [pid 313] umount2("./301/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./285/cgroup.net" [pid 1786] chdir("./290" [pid 1785] chdir("./298" [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1786] <... chdir resumed>) = 0 [pid 1785] <... chdir resumed>) = 0 [pid 1784] close(14 [pid 313] newfstatat(AT_FDCWD, "./301/binderfs" [pid 309] unlink("./285/cgroup.net" [pid 1786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1786] <... prctl resumed>) = 0 [pid 1785] <... prctl resumed>) = 0 [pid 1784] close(15 [pid 313] unlink("./301/binderfs" [pid 309] umount2("./285/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1786] setpgid(0, 0 [pid 1785] setpgid(0, 0 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1786] <... setpgid resumed>) = 0 [pid 1785] <... setpgid resumed>) = 0 [pid 1784] close(16 [pid 313] umount2("./301/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./285/cgroup.cpu" [pid 1786] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1785] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1786] <... symlink resumed>) = 0 [pid 309] unlink("./285/cgroup.cpu" [pid 1786] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1785] <... symlink resumed>) = 0 [pid 1784] close(17 [pid 313] newfstatat(AT_FDCWD, "./301/cgroup.net" [pid 309] <... unlink resumed>) = 0 [pid 1786] <... symlink resumed>) = 0 [pid 1785] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./285/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1786] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1785] <... symlink resumed>) = 0 [pid 1784] close(18 [pid 313] unlink("./301/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1786] <... symlink resumed>) = 0 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./285/cgroup" [pid 1786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1785] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1784] close(19 [pid 313] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./285/cgroup" [pid 1786] <... openat resumed>) = 3 [pid 1785] <... symlink resumed>) = 0 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./301/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1786] write(3, "1000", 4 [pid 1785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1784] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1786] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1786] close(3 [pid 1785] <... openat resumed>) = 3 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./301/cgroup.cpu" [pid 309] close(3 [pid 1786] <... close resumed>) = 0 [pid 1785] write(3, "1000", 4 [pid 1784] close(21 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 1786] symlink("/dev/binderfs", "./binderfs" [pid 1785] <... write resumed>) = 4 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./301/cgroup.cpu" [pid 309] rmdir("./285" [pid 1786] <... symlink resumed>) = 0 [pid 1785] close(3 [pid 1784] close(22 [pid 313] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1786] write(1, "executing program\n", 18 [pid 1785] <... close resumed>) = 0 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./301/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 309] mkdir("./286", 0777 [pid 1786] <... write resumed>) = 18 [pid 1785] symlink("/dev/binderfs", "./binderfs" [pid 1784] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 1786] mkdirat(AT_FDCWD, "./config", 0777 [pid 1785] <... symlink resumed>) = 0 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./301/cgroup" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1786] <... mkdirat resumed>) = 0 [pid 1785] write(1, "executing program\n", 18 [pid 1784] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1786] mount(NULL, "./config", "configfs", 0, NULL [pid 1785] <... write resumed>) = 18 executing program [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./301/cgroup" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1786] <... mount resumed>) = 0 [pid 1785] mkdirat(AT_FDCWD, "./config", 0777 [pid 1784] close(25 [pid 313] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1787 attached [pid 1786] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 288 [pid 1787] set_robust_list(0x55555bb49760, 24 [pid 1786] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1785] <... mkdirat resumed>) = 0 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1787] <... set_robust_list resumed>) = 0 [pid 1786] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1785] mount(NULL, "./config", "configfs", 0, NULL [pid 1784] close(26 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1787] rt_sigprocmask(SIG_SETMASK, [] [pid 1786] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1785] <... mount resumed>) = 0 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1786] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1784] close(27 [pid 313] <... close resumed>) = 0 [pid 1787] chdir("./286" [pid 1786] <... mkdirat resumed>) = 0 [pid 1785] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./301" [pid 1787] <... chdir resumed>) = 0 [pid 1786] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1784] close(28 [pid 1787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... rmdir resumed>) = 0 [pid 1786] <... symlinkat resumed>) = 0 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... prctl resumed>) = 0 [pid 1786] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1785] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1784] close(29 [pid 313] mkdir("./302", 0777 [pid 1787] setpgid(0, 0 [pid 1786] <... unlinkat resumed>) = 0 [pid 1785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... setpgid resumed>) = 0 [pid 1786] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... mkdir resumed>) = 0 [pid 1785] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1784] exit_group(0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1785] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1787] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1784] <... exit_group resumed>) = ? [pid 1786] <... unlinkat resumed>) = 0 [pid 1785] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1784] +++ exited with 0 +++ [pid 1785] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1787] <... symlink resumed>) = 0 [pid 1786] close(3 [pid 1785] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1787] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-5-15/strace-static-x86_64: Process 1788 attached [pid 1788] set_robust_list(0x55555bb49760, 24 [pid 1785] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1788] <... set_robust_list resumed>) = 0 [pid 1787] <... symlink resumed>) = 0 [pid 1786] close(4 [pid 1785] close(3 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 304 [pid 1788] rt_sigprocmask(SIG_SETMASK, [] [pid 1787] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1787] <... symlink resumed>) = 0 [pid 1786] close(5 [pid 1785] close(4 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1788] chdir("./302" [pid 1787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] <... chdir resumed>) = 0 [pid 1787] <... openat resumed>) = 3 [pid 1786] close(6 [pid 1785] close(5 [pid 1788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1787] write(3, "1000", 4 [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] <... prctl resumed>) = 0 [pid 1787] <... write resumed>) = 4 [pid 1786] close(7 [pid 1785] close(6 [pid 1788] setpgid(0, 0 [pid 1787] close(3 [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] <... setpgid resumed>) = 0 [pid 1787] <... close resumed>) = 0 [pid 1786] close(8 [pid 1788] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1787] symlink("/dev/binderfs", "./binderfs" [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] close(7 [pid 1788] <... symlink resumed>) = 0 [pid 1787] <... symlink resumed>) = 0 [pid 1786] close(9 [pid 1788] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1787] write(1, "executing program\n", 18 [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1788] <... symlink resumed>) = 0 [pid 1787] <... write resumed>) = 18 [pid 1786] close(10 [pid 1788] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1785] close(8 [pid 1788] <... symlink resumed>) = 0 [pid 1787] mkdirat(AT_FDCWD, "./config", 0777 [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1787] <... mkdirat resumed>) = 0 [pid 1786] close(11 [pid 1785] close(9 [pid 1788] write(3, "1000", 4 [pid 1787] mount(NULL, "./config", "configfs", 0, NULL [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] <... write resumed>) = 4 [pid 1788] close(3 [pid 1787] <... mount resumed>) = 0 [pid 1786] close(12 [pid 1785] close(10 [pid 1788] <... close resumed>) = 0 [pid 1787] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] symlink("/dev/binderfs", "./binderfs" [pid 1787] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1786] close(13 [pid 1785] close(11 [pid 1788] <... symlink resumed>) = 0 [pid 1787] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1788] write(1, "executing program\n", 18 [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] <... write resumed>) = 18 [pid 1787] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1786] close(14 executing program [pid 1785] close(12 [pid 1788] mkdirat(AT_FDCWD, "./config", 0777 [pid 1787] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] <... mkdirat resumed>) = 0 [pid 1788] mount(NULL, "./config", "configfs", 0, NULL [pid 1787] <... mkdirat resumed>) = 0 [pid 1786] close(15 [pid 1785] close(13 [pid 1788] <... mount resumed>) = 0 [pid 1787] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1787] <... symlinkat resumed>) = 0 [pid 1786] close(16 [pid 1785] close(14 [pid 1788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1787] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1787] <... unlinkat resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1787] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1786] close(17 [pid 1785] close(15 [pid 1788] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1788] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 ENOENT (No such file or directory) [pid 1787] <... unlinkat resumed>) = 0 [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./293", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1788] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1787] close(3 [pid 1786] close(18 [pid 1785] close(16 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1788] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1788] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1787] close(4 [pid 1786] close(19 [pid 1785] close(17 [pid 1788] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1788] close(3 [pid 1787] close(5 [pid 1786] close(20 [pid 1785] close(18 [pid 311] fstat(3 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1788] close(4 [pid 1787] close(6 [pid 1786] close(21 [pid 1785] close(19 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1788] close(5 [pid 1787] close(7 [pid 1786] close(22 [pid 1785] close(20 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1788] close(6 [pid 1787] close(8 [pid 1786] close(23 [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] close(21 [pid 1788] close(7 [pid 1787] close(9 [pid 1786] close(24 [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] close(22 [pid 311] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1788] close(8 [pid 1787] close(10 [pid 1786] close(25 [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] close(23 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1788] close(9 [pid 1787] close(11 [pid 1786] close(26 [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./293/config" [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] close(24 [pid 1788] close(10 [pid 1787] close(12 [pid 1786] close(27 [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] close(25 [pid 311] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1788] close(11 [pid 1787] close(13 [pid 1786] close(28 [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] close(26 [pid 311] openat(AT_FDCWD, "./293/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1788] close(12 [pid 1787] close(14 [pid 1786] close(29 [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] close(27 [pid 311] fstat(4 [pid 1788] close(13 [pid 1787] close(15 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] exit_group(0 [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1788] close(14 [pid 1787] close(16 [pid 1786] <... exit_group resumed>) = ? [pid 1785] close(28 [pid 311] getdents64(4 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1786] +++ exited with 0 +++ [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1788] close(15 [pid 1787] close(17 [pid 1785] close(29 [pid 311] getdents64(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1788] close(16 [pid 1787] close(18 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] exit_group(0 [pid 311] close(4 [pid 1788] close(17 [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1785] <... exit_group resumed>) = ? [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1788] close(18 [pid 1787] close(19 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] close(19 [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./293/config" [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] close(20) = -1 EBADF (Bad file descriptor) [pid 1788] close(21) = -1 EBADF (Bad file descriptor) [pid 1788] close(22 [pid 1785] +++ exited with 0 +++ [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] close(23) = -1 EBADF (Bad file descriptor) [pid 1788] close(24 [pid 1787] close(20 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... rmdir resumed>) = 0 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1788] close(25 [pid 1787] close(21 [pid 311] umount2("./293/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] close(26 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1787] close(22 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./293/binderfs" [pid 1788] close(27 [pid 1787] close(23 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1788] close(28 [pid 1787] close(24 [pid 311] unlink("./293/binderfs" [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1788] close(29 [pid 1787] close(25 [pid 311] <... unlink resumed>) = 0 [pid 1788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./293/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1788] exit_group(0 [pid 1787] close(26 [pid 1788] <... exit_group resumed>) = ? [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1788] +++ exited with 0 +++ [pid 1787] close(27 [pid 311] newfstatat(AT_FDCWD, "./293/cgroup.net" [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1787] close(28 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] unlink("./293/cgroup.net" [pid 1787] close(29 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1787] exit_group(0 [pid 311] umount2("./293/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1787] <... exit_group resumed>) = ? [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1787] +++ exited with 0 +++ [pid 311] newfstatat(AT_FDCWD, "./293/cgroup.cpu" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] unlink("./293/cgroup.cpu") = 0 [pid 311] umount2("./293/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./293/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./293/cgroup") = 0 [pid 311] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] close(3) = 0 [pid 311] rmdir("./293") = 0 [pid 311] mkdir("./294", 0777) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1789 attached [pid 1789] set_robust_list(0x55555bb49760, 24) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 296 [pid 1789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1789] chdir("./294" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1789] <... chdir resumed>) = 0 [pid 1789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1789] setpgid(0, 0) = 0 [pid 1789] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 1789] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1789] <... symlink resumed>) = 0 [pid 1789] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 310] umount2("./290", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1789] <... symlink resumed>) = 0 [pid 312] umount2("./298", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./302", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1789] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1789] write(3, "1000", 4 [pid 310] fstat(3 [pid 1789] <... write resumed>) = 4 [pid 313] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1789] close(3 [pid 313] <... openat resumed>) = 3 [pid 312] fstat(3 [pid 310] getdents64(3 [pid 1789] <... close resumed>) = 0 [pid 313] fstat(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1789] symlink("/dev/binderfs", "./binderfs" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] getdents64(3 executing program [pid 310] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1789] <... symlink resumed>) = 0 [pid 313] getdents64(3 [pid 1789] write(1, "executing program\n", 18 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = 0 [pid 1789] <... write resumed>) = 18 [pid 313] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1789] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1789] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./290/config" [pid 1789] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] newfstatat(AT_FDCWD, "./302/config" [pid 312] newfstatat(AT_FDCWD, "./298/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1789] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1789] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] openat(AT_FDCWD, "./302/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] openat(AT_FDCWD, "./298/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1789] <... mkdirat resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 312] <... openat resumed>) = 4 [pid 310] openat(AT_FDCWD, "./290/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1789] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] fstat(4 [pid 312] fstat(4 [pid 1789] <... symlinkat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... openat resumed>) = 4 [pid 1789] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] getdents64(4 [pid 1789] <... unlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] fstat(4 [pid 1789] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1789] <... unlinkat resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1789] close(3 [pid 313] getdents64(4 [pid 312] close(4 [pid 310] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1789] close(4 [pid 313] close(4 [pid 312] rmdir("./298/config" [pid 310] getdents64(4 [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1789] close(5 [pid 313] <... close resumed>) = 0 [pid 312] umount2("./298/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./302/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 1789] close(6 [pid 313] <... rmdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./298/binderfs" [pid 309] umount2("./286", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./302/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 1789] close(7 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./298/binderfs" [pid 310] rmdir("./290/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./302/binderfs" [pid 312] <... unlink resumed>) = 0 [pid 1789] close(8 [pid 312] umount2("./298/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1789] close(9 [pid 313] unlink("./302/binderfs" [pid 312] newfstatat(AT_FDCWD, "./298/cgroup.net" [pid 310] umount2("./290/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 1789] close(10 [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./298/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./302/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 1789] close(11 [pid 312] umount2("./298/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./290/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1789] close(12 [pid 313] newfstatat(AT_FDCWD, "./302/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./298/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./290/binderfs" [pid 1789] close(13 [pid 312] unlink("./298/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./302/cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1789] close(14 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./298/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./290/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./302/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 1789] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./298/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./302/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./290/cgroup.net" [pid 1789] close(16 [pid 312] unlink("./298/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./286/config" [pid 1789] close(17 [pid 313] unlink("./302/cgroup.cpu" [pid 312] getdents64(3 [pid 310] unlink("./290/cgroup.net" [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1789] close(18 [pid 312] close(3 [pid 310] <... unlink resumed>) = 0 [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./302/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 310] umount2("./290/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./286/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1789] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./298" [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./302/cgroup" [pid 312] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1789] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] mkdir("./299", 0777 [pid 310] newfstatat(AT_FDCWD, "./290/cgroup.cpu" [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./302/cgroup" [pid 312] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./286/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1789] close(21 [pid 313] <... unlink resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./290/cgroup.cpu" [pid 309] <... openat resumed>) = 4 [pid 1789] close(22 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(4ci2-android-5-15/strace-static-x86_64: Process 1790 attached [pid 1789] close(23 [pid 313] <... close resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 301 [pid 310] umount2("./290/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1790] set_robust_list(0x55555bb49760, 24 [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./302" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1790] <... set_robust_list resumed>) = 0 [pid 1789] close(24 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1790] rt_sigprocmask(SIG_SETMASK, [] [pid 1789] close(25 [pid 313] mkdir("./303", 0777 [pid 310] newfstatat(AT_FDCWD, "./290/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1789] close(26 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1790] chdir("./299" [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] unlink("./290/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1790] <... chdir resumed>) = 0 [pid 1789] close(27) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1789] close(28 [pid 310] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 1790] <... prctl resumed>) = 0 [pid 1789] close(29 [pid 309] <... close resumed>) = 0 [pid 1789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1789] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1791 attached [pid 1790] setpgid(0, 0 [pid 1789] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./286/config" [pid 1791] set_robust_list(0x55555bb49760, 24 [pid 1790] <... setpgid resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 305 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] close(3 [pid 1791] <... set_robust_list resumed>) = 0 [pid 1790] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rmdir resumed>) = 0 [pid 1791] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 1791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1790] <... symlink resumed>) = 0 [pid 1791] chdir("./303" [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./290" [pid 309] umount2("./286/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1791] <... chdir resumed>) = 0 [pid 1790] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1791] setpgid(0, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1791] <... setpgid resumed>) = 0 [pid 1790] <... symlink resumed>) = 0 [pid 310] mkdir("./291", 0777 [pid 309] newfstatat(AT_FDCWD, "./286/binderfs" [pid 1791] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1790] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1791] <... symlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1791] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1790] <... symlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./286/binderfs" [pid 1791] <... symlink resumed>) = 0 [pid 1790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1791] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... unlink resumed>) = 0 [pid 1791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1790] <... openat resumed>) = 3 [pid 1791] <... openat resumed>) = 3 [pid 1791] write(3, "1000", 4) = 4 [pid 1791] close(3) = 0 [pid 1791] symlink("/dev/binderfs", "./binderfs"ci2-android-5-15/strace-static-x86_64: Process 1792 attached ) = 0 [pid 1790] write(3, "1000", 4 [pid 309] umount2("./286/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1792] set_robust_list(0x55555bb49760, 24 [pid 1791] write(1, "executing program\n", 18 [pid 1792] <... set_robust_list resumed>) = 0 [pid 1791] <... write resumed>) = 18 [pid 1790] <... write resumed>) = 4 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 293 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1792] rt_sigprocmask(SIG_SETMASK, [] [pid 1791] mkdirat(AT_FDCWD, "./config", 0777 [pid 1790] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1792] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1791] <... mkdirat resumed>) = 0 [pid 1790] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./286/cgroup.net" [pid 1792] chdir("./291" [pid 1791] mount(NULL, "./config", "configfs", 0, NULL [pid 1792] <... chdir resumed>) = 0 [pid 1791] <... mount resumed>) = 0 [pid 1790] symlink("/dev/binderfs", "./binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1792] <... prctl resumed>) = 0 [pid 1791] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1792] setpgid(0, 0 [pid 1791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1790] <... symlink resumed>) = 0 [pid 309] unlink("./286/cgroup.net" [pid 1792] <... setpgid resumed>) = 0 [pid 1791] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1790] write(1, "executing program\n", 18 [pid 311] <... restart_syscall resumed>) = 0 executing program [pid 1792] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1790] <... write resumed>) = 18 [pid 309] <... unlink resumed>) = 0 [pid 1792] <... symlink resumed>) = 0 [pid 1791] <... mkdirat resumed>) = 0 [pid 1790] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./286/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1792] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1791] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1790] <... mkdirat resumed>) = 0 [pid 311] umount2("./294", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1792] <... symlink resumed>) = 0 [pid 1791] <... symlinkat resumed>) = 0 [pid 1790] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1792] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1791] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1790] <... mount resumed>) = 0 [pid 311] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1792] <... symlink resumed>) = 0 [pid 1791] <... unlinkat resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./286/cgroup.cpu" [pid 1792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1791] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] fstat(3 [pid 1792] <... openat resumed>) = 3 [pid 1791] <... unlinkat resumed>) = 0 [pid 1790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1792] write(3, "1000", 4 [pid 1791] close(3 [pid 1790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] getdents64(3 [pid 309] unlink("./286/cgroup.cpu" [pid 1792] <... write resumed>) = 4 [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1792] close(3 [pid 1791] close(4 [pid 1790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1792] <... close resumed>) = 0 [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 1792] symlink("/dev/binderfs", "./binderfs" [pid 1791] close(5 [pid 1790] <... mkdirat resumed>) = 0 [pid 311] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./286/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1792] <... symlink resumed>) = 0 [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1792] write(1, "executing program\n", 18 [pid 1791] close(6 executing program [pid 311] newfstatat(AT_FDCWD, "./294/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1792] <... write resumed>) = 18 [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] <... symlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1792] mkdirat(AT_FDCWD, "./config", 0777 [pid 1791] close(7 [pid 1790] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./286/cgroup" [pid 1792] <... mkdirat resumed>) = 0 [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] <... unlinkat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1792] mount(NULL, "./config", "configfs", 0, NULL [pid 1791] close(8 [pid 1790] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] openat(AT_FDCWD, "./294/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1792] <... mount resumed>) = 0 [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 1792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1791] close(9 [pid 1790] <... unlinkat resumed>) = 0 [pid 311] fstat(4 [pid 309] unlink("./286/cgroup" [pid 1792] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1791] close(10 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 1792] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(3 [pid 1792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1791] close(11 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1792] <... mkdirat resumed>) = 0 [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(5 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1792] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1791] close(12 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 1792] <... symlinkat resumed>) = 0 [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(6 [pid 311] <... close resumed>) = 0 [pid 309] close(3 [pid 1792] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1791] close(13 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./294/config" [pid 1792] <... unlinkat resumed>) = 0 [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(7 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1792] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1791] close(14 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./294/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1792] <... unlinkat resumed>) = 0 [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(8 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./286" [pid 1792] close(3 [pid 1791] close(15 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./294/binderfs" [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(9 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1792] close(4 [pid 1791] close(16 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./294/binderfs" [pid 309] mkdir("./287", 0777 [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(10 [pid 311] <... unlink resumed>) = 0 [pid 1792] close(5 [pid 1791] close(17 [pid 311] umount2("./294/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(11 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1792] close(6 [pid 1791] close(18 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./294/cgroup.net" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(12 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1792] close(7 [pid 1791] close(19 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./294/cgroup.net" [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1792] close(8 [pid 1791] close(20 [pid 311] umount2("./294/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1793 attached [pid 1792] close(9 [pid 1791] close(21 [pid 1790] close(13 [pid 311] newfstatat(AT_FDCWD, "./294/cgroup.cpu" [pid 1793] set_robust_list(0x55555bb49760, 24 [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1793] <... set_robust_list resumed>) = 0 [pid 1792] close(10 [pid 1791] close(22 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./294/cgroup.cpu" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 289 [pid 1793] rt_sigprocmask(SIG_SETMASK, [] [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(14 [pid 311] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1792] close(11 [pid 1791] close(23 [pid 311] umount2("./294/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1793] chdir("./287" [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1793] <... chdir resumed>) = 0 [pid 1792] close(12 [pid 1791] close(24 [pid 1790] close(15 [pid 311] newfstatat(AT_FDCWD, "./294/cgroup" [pid 1793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1793] <... prctl resumed>) = 0 [pid 1792] close(13 [pid 1791] close(25 [pid 1790] close(16 [pid 311] unlink("./294/cgroup" [pid 1793] setpgid(0, 0 [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1793] <... setpgid resumed>) = 0 [pid 1792] close(14 [pid 1791] close(26 [pid 1790] close(17 [pid 311] getdents64(3 [pid 1793] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1793] <... symlink resumed>) = 0 [pid 1792] close(15 [pid 1791] close(27 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 1793] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1793] <... symlink resumed>) = 0 [pid 1792] close(16 [pid 1791] close(28 [pid 1790] close(18 [pid 311] rmdir("./294" [pid 1793] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1793] <... symlink resumed>) = 0 [pid 1792] close(17 [pid 1791] close(29 [pid 1790] close(19 [pid 311] mkdir("./295", 0777 [pid 1793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 1793] <... openat resumed>) = 3 [pid 1792] close(18 [pid 1791] exit_group(0 [pid 1790] close(20 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1793] write(3, "1000", 4 [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1791] <... exit_group resumed>) = ? [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1793] <... write resumed>) = 4 [pid 1792] close(19 [pid 1791] +++ exited with 0 +++ [pid 1790] close(21 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1793] close(3 [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1794 attached [pid 1793] <... close resumed>) = 0 [pid 1792] close(20 [pid 1790] close(22 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 297 [pid 1794] set_robust_list(0x55555bb49760, 24 [pid 1793] symlink("/dev/binderfs", "./binderfs" [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1794] <... set_robust_list resumed>) = 0 [pid 1793] <... symlink resumed>) = 0 [pid 1792] close(21 [pid 1790] close(23 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1793] write(1, "executing program\n", 18 executing program [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1794] rt_sigprocmask(SIG_SETMASK, [] [pid 1793] <... write resumed>) = 18 [pid 1792] close(22 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1793] mkdirat(AT_FDCWD, "./config", 0777 [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(24 [pid 1794] chdir("./295" [pid 1793] <... mkdirat resumed>) = 0 [pid 1792] close(23 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1794] <... chdir resumed>) = 0 [pid 1793] mount(NULL, "./config", "configfs", 0, NULL [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(25 [pid 313] umount2("./303", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1793] <... mount resumed>) = 0 [pid 1792] close(24 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1794] <... prctl resumed>) = 0 [pid 1793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1794] setpgid(0, 0 [pid 1793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1792] close(25 [pid 1794] <... setpgid resumed>) = 0 [pid 1793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1794] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1792] close(26 [pid 1790] close(27 [pid 1793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1794] <... symlink resumed>) = 0 [pid 1793] <... mkdirat resumed>) = 0 [pid 1792] close(27 [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 1794] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1793] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1794] <... symlink resumed>) = 0 [pid 1793] <... symlinkat resumed>) = 0 [pid 1792] close(28 [pid 1790] close(28 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1794] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1793] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1794] <... symlink resumed>) = 0 [pid 1793] <... unlinkat resumed>) = 0 [pid 1792] close(29 [pid 1790] close(29 [pid 313] getdents64(3 [pid 1794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1793] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1794] <... openat resumed>) = 3 [pid 1793] <... unlinkat resumed>) = 0 [pid 1792] exit_group(0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1793] close(3 [pid 1792] <... exit_group resumed>) = ? [pid 1794] write(3, "1000", 4 [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1792] +++ exited with 0 +++ [pid 1790] exit_group(0 [pid 313] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1794] <... write resumed>) = 4 [pid 1793] close(4 [pid 1790] <... exit_group resumed>) = ? [pid 1794] close(3 [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1793] close(5) = -1 EBADF (Bad file descriptor) [pid 1793] close(6) = -1 EBADF (Bad file descriptor) [pid 1793] close(7) = -1 EBADF (Bad file descriptor) [pid 1793] close(8) = -1 EBADF (Bad file descriptor) [pid 1793] close(9) = -1 EBADF (Bad file descriptor) [pid 1793] close(10) = -1 EBADF (Bad file descriptor) [pid 1793] close(11 [pid 1790] +++ exited with 0 +++ [pid 1794] <... close resumed>) = 0 [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1794] symlink("/dev/binderfs", "./binderfs" [pid 1793] close(12 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1794] <... symlink resumed>) = 0 [pid 1794] write(1, "executing program\n", 18 [pid 1793] close(13 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1794] <... write resumed>) = 18 [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./303/config" [pid 310] umount2("./291", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1794] mkdirat(AT_FDCWD, "./config", 0777 [pid 1793] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1793] close(15 [pid 1794] <... mkdirat resumed>) = 0 [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1794] mount(NULL, "./config", "configfs", 0, NULL [pid 310] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1793] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1794] <... mount resumed>) = 0 [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1793] close(17 [pid 313] openat(AT_FDCWD, "./303/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 1794] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1793] close(18 [pid 313] <... openat resumed>) = 4 [pid 310] fstat(3 [pid 1794] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1793] close(19 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1793] close(20) = -1 EBADF (Bad file descriptor) [pid 1794] <... mkdirat resumed>) = 0 [pid 1793] close(21 [pid 313] getdents64(4 [pid 1794] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1794] <... symlinkat resumed>) = 0 [pid 1793] close(22 [pid 310] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] getdents64(4 [pid 1794] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1794] <... unlinkat resumed>) = 0 [pid 1793] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1794] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1793] close(24 [pid 312] umount2("./299", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1794] <... unlinkat resumed>) = 0 [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1794] close(3 [pid 1793] close(25 [pid 313] <... close resumed>) = 0 [pid 312] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./303/config" [pid 312] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./291/config" [pid 1794] close(4 [pid 1793] close(26 [pid 313] <... rmdir resumed>) = 0 [pid 312] fstat(3 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./303/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1794] close(5 [pid 1793] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 310] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./303/binderfs" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1794] close(6 [pid 1793] close(28 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./303/binderfs" [pid 312] <... umount2 resumed>) = 0 [pid 1794] close(7 [pid 1793] close(29 [pid 312] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./291/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... unlink resumed>) = 0 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./303/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 1794] close(8 [pid 1793] exit_group(0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./299/config" [pid 310] fstat(4 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1793] <... exit_group resumed>) = ? [pid 313] newfstatat(AT_FDCWD, "./303/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1794] close(9 [pid 1793] +++ exited with 0 +++ [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./303/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1794] close(10 [pid 313] <... unlink resumed>) = 0 [pid 312] openat(AT_FDCWD, "./299/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./303/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1794] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] fstat(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./303/cgroup.cpu" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] close(4 [pid 1794] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(4 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./303/cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... close resumed>) = 0 [pid 1794] close(13 [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(4 [pid 310] rmdir("./291/config" [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./303/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4) = 0 [pid 312] rmdir("./299/config" [pid 1794] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./303/cgroup" [pid 312] umount2("./299/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1794] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./291/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./299/binderfs" [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./303/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1794] close(16 [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./299/binderfs" [pid 310] newfstatat(AT_FDCWD, "./291/binderfs" [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... unlink resumed>) = 0 [pid 312] umount2("./299/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1794] close(17 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 312] newfstatat(AT_FDCWD, "./299/cgroup.net" [pid 1794] close(18 [pid 313] <... close resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./291/binderfs" [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./303" [pid 312] unlink("./299/cgroup.net" [pid 1794] close(19 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./304", 0777 [pid 312] umount2("./299/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./291/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1794] close(20 [pid 313] <... mkdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./299/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1794] close(21 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] unlink("./299/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./291/cgroup.net" [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... unlink resumed>) = 0 [pid 1794] close(22 [pid 312] umount2("./299/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./299/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./299/cgroup"ci2-android-5-15/strace-static-x86_64: Process 1795 attached [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] unlink("./291/cgroup.net" [pid 309] <... restart_syscall resumed>) = 0 [pid 1795] set_robust_list(0x55555bb49760, 24 [pid 1794] close(23 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 306 [pid 312] getdents64(3 [pid 1795] <... set_robust_list resumed>) = 0 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1795] rt_sigprocmask(SIG_SETMASK, [] [pid 1794] close(24 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] close(3 [pid 310] umount2("./291/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1795] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1795] chdir("./304" [pid 1794] close(25 [pid 312] rmdir("./299" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./287", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1795] <... chdir resumed>) = 0 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1794] close(26 [pid 312] mkdir("./300", 0777 [pid 310] newfstatat(AT_FDCWD, "./291/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1795] <... prctl resumed>) = 0 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1795] setpgid(0, 0 [pid 1794] close(27 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1795] <... setpgid resumed>) = 0 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./291/cgroup.cpu" [pid 1795] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1794] close(28 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 1796 attached [pid 1795] <... symlink resumed>) = 0 [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1795] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 302 [pid 1796] set_robust_list(0x55555bb49760, 24 [pid 1795] <... symlink resumed>) = 0 [pid 1794] close(29 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./291/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1796] <... set_robust_list resumed>) = 0 [pid 1795] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1796] rt_sigprocmask(SIG_SETMASK, [] [pid 1795] <... symlink resumed>) = 0 [pid 1794] exit_group(0 [pid 310] newfstatat(AT_FDCWD, "./291/cgroup" [pid 1796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1794] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1796] chdir("./300" [pid 1795] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1795] write(3, "1000", 4) = 4 [pid 1795] close(3) = 0 [pid 1795] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1795] write(1, "executing program\n", 18) = 18 [pid 1795] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1794] +++ exited with 0 +++ executing program [pid 309] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1796] <... chdir resumed>) = 0 [pid 1795] mount(NULL, "./config", "configfs", 0, NULL [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] unlink("./291/cgroup" [pid 1796] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1795] <... mount resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = 0 [pid 1796] <... prctl resumed>) = 0 [pid 1795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1796] setpgid(0, 0 [pid 1795] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 1796] <... setpgid resumed>) = 0 [pid 1795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1796] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1795] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] umount2("./295", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] newfstatat(AT_FDCWD, "./287/config" [pid 1796] <... symlink resumed>) = 0 [pid 1795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1796] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1795] <... mkdirat resumed>) = 0 [pid 311] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1796] <... symlink resumed>) = 0 [pid 1795] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... openat resumed>) = 3 [pid 310] rmdir("./291" [pid 309] umount2("./287/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1796] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1795] <... symlinkat resumed>) = 0 [pid 311] fstat(3 [pid 1796] <... symlink resumed>) = 0 [pid 1795] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1795] <... unlinkat resumed>) = 0 [pid 311] getdents64(3 [pid 310] mkdir("./292", 0777 [pid 309] openat(AT_FDCWD, "./287/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1795] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1796] <... openat resumed>) = 3 [pid 1795] <... unlinkat resumed>) = 0 [pid 311] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1796] write(3, "1000", 4 [pid 1795] close(3 [pid 311] <... umount2 resumed>) = 0 [pid 1796] <... write resumed>) = 4 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] fstat(4 [pid 1796] close(3 [pid 1795] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1796] <... close resumed>) = 0 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./295/config" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1796] symlink("/dev/binderfs", "./binderfs" [pid 1795] close(5 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(4 [pid 1796] <... symlink resumed>) = 0 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1795] close(6 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./295/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1795] close(7 [pid 311] <... openat resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 1797 attached [pid 1796] write(1, "executing program\n", 18 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 311] fstat(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1797] set_robust_list(0x55555bb49760, 24 [pid 1796] <... write resumed>) = 18 [pid 1795] close(8 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 294 [pid 309] getdents64(4 [pid 1797] <... set_robust_list resumed>) = 0 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1797] rt_sigprocmask(SIG_SETMASK, [] [pid 1796] mkdirat(AT_FDCWD, "./config", 0777 [pid 1795] close(9 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1797] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1797] chdir("./292" [pid 1796] <... mkdirat resumed>) = 0 [pid 1795] close(10 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(4 [pid 1797] <... chdir resumed>) = 0 [pid 1796] mount(NULL, "./config", "configfs", 0, NULL [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 1797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1796] <... mount resumed>) = 0 [pid 1795] close(11 [pid 311] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1797] <... prctl resumed>) = 0 [pid 1796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./295/config" [pid 309] rmdir("./287/config" [pid 1797] setpgid(0, 0 [pid 1796] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1795] close(12 [pid 311] <... rmdir resumed>) = 0 [pid 1797] <... setpgid resumed>) = 0 [pid 1796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./295/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1797] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1796] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1795] close(13 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1797] <... symlink resumed>) = 0 [pid 1796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] newfstatat(AT_FDCWD, "./295/binderfs" [pid 309] umount2("./287/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1797] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1797] <... symlink resumed>) = 0 [pid 1796] <... mkdirat resumed>) = 0 [pid 1795] close(14 [pid 311] unlink("./295/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1797] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1796] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1797] <... symlink resumed>) = 0 [pid 1796] <... symlinkat resumed>) = 0 [pid 1795] close(15 [pid 311] umount2("./295/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./287/binderfs" [pid 1797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1796] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1797] <... openat resumed>) = 3 [pid 1796] <... unlinkat resumed>) = 0 [pid 1795] close(16 [pid 311] newfstatat(AT_FDCWD, "./295/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1797] write(3, "1000", 4 [pid 1796] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1797] <... write resumed>) = 4 [pid 311] unlink("./295/cgroup.net" [pid 309] unlink("./287/binderfs" [pid 1797] close(3 [pid 1796] <... unlinkat resumed>) = 0 [pid 1795] close(17 [pid 311] <... unlink resumed>) = 0 [pid 1797] <... close resumed>) = 0 [pid 1796] close(3 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./295/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1797] symlink("/dev/binderfs", "./binderfs" [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1795] close(18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./287/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1797] <... symlink resumed>) = 0 [pid 1796] close(4 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./295/cgroup.cpu" [pid 1797] write(1, "executing program\n", 18 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1795] close(19 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1797] <... write resumed>) = 18 executing program [pid 311] unlink("./295/cgroup.cpu" [pid 1797] mkdirat(AT_FDCWD, "./config", 0777 [pid 1796] close(5 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./287/cgroup.net" [pid 1797] <... mkdirat resumed>) = 0 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1795] close(20 [pid 311] umount2("./295/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1797] mount(NULL, "./config", "configfs", 0, NULL [pid 1796] close(6 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1797] <... mount resumed>) = 0 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1795] close(21 [pid 311] newfstatat(AT_FDCWD, "./295/cgroup" [pid 309] unlink("./287/cgroup.net" [pid 1797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1796] close(7 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1797] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] unlink("./295/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1795] close(22 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./287/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1797] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] getdents64(3 [pid 1797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1796] close(8 [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1797] <... mkdirat resumed>) = 0 [pid 311] close(3 [pid 1797] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... close resumed>) = 0 [pid 1797] <... symlinkat resumed>) = 0 [pid 311] rmdir("./295" [pid 1797] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... rmdir resumed>) = 0 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1797] <... unlinkat resumed>) = 0 [pid 1795] close(23 [pid 1796] close(9 [pid 311] mkdir("./296", 0777 [pid 309] newfstatat(AT_FDCWD, "./287/cgroup.cpu" [pid 1797] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 1797] <... unlinkat resumed>) = 0 [pid 1796] close(10 [pid 1795] close(24 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1797] close(3 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] unlink("./287/cgroup.cpu" [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1796] close(11 [pid 1795] close(25 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1797] close(4 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1798 attached [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1796] close(12 [pid 1795] close(26 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 298 [pid 309] umount2("./287/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1798] set_robust_list(0x55555bb49760, 24 [pid 1797] close(5 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1798] <... set_robust_list resumed>) = 0 [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1797] close(6 [pid 1796] close(13 [pid 1795] close(27 [pid 1798] rt_sigprocmask(SIG_SETMASK, [] [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./287/cgroup" [pid 1798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1797] close(7 [pid 1796] close(14 [pid 1795] close(28 [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] chdir("./296" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1798] <... chdir resumed>) = 0 [pid 1797] close(8 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./287/cgroup" [pid 1798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1796] close(15 [pid 1795] close(29 [pid 1798] <... prctl resumed>) = 0 [pid 1797] close(9 [pid 309] <... unlink resumed>) = 0 [pid 1798] setpgid(0, 0 [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1798] <... setpgid resumed>) = 0 [pid 1797] close(10 [pid 1796] close(16 [pid 1795] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1798] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1795] <... exit_group resumed>) = ? [pid 309] close(3 [pid 1798] <... symlink resumed>) = 0 [pid 1797] close(11 [pid 1796] close(17 [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1797] close(12) = -1 EBADF (Bad file descriptor) [pid 1797] close(13) = -1 EBADF (Bad file descriptor) [pid 1797] close(14) = -1 EBADF (Bad file descriptor) [pid 1797] close(15) = -1 EBADF (Bad file descriptor) [pid 1797] close(16) = -1 EBADF (Bad file descriptor) [pid 1797] close(17 [pid 1795] +++ exited with 0 +++ [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1797] close(18 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 1798] <... symlink resumed>) = 0 [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1796] close(18 [pid 309] rmdir("./287" [pid 1798] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1797] close(19 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1798] <... symlink resumed>) = 0 [pid 1797] close(20 [pid 1796] close(19 [pid 1798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] mkdir("./288", 0777 [pid 313] umount2("./304", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1798] <... openat resumed>) = 3 [pid 1797] close(21 [pid 1796] close(20 [pid 1798] write(3, "1000", 4 [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1798] <... write resumed>) = 4 [pid 1797] close(22 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1798] close(3 [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1796] close(21 [pid 313] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1797] close(23 [pid 1798] <... close resumed>) = 0 [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1798] symlink("/dev/binderfs", "./binderfs" [pid 1797] close(24 [pid 1796] close(22 [pid 313] <... openat resumed>) = 3 [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1797] close(25) = -1 EBADF (Bad file descriptor) [pid 1797] close(26) = -1 EBADF (Bad file descriptor) [pid 1797] close(27ci2-android-5-15/strace-static-x86_64: Process 1799 attached ) = -1 EBADF (Bad file descriptor) [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1799] set_robust_list(0x55555bb49760, 24 [pid 1798] <... symlink resumed>) = 0 [pid 1797] close(28 [pid 1796] close(23 [pid 313] fstat(3 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 290 [pid 1799] <... set_robust_list resumed>) = 0 [pid 1798] write(1, "executing program\n", 18 [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1799] rt_sigprocmask(SIG_SETMASK, [] [pid 1798] <... write resumed>) = 18 [pid 1797] close(29 executing program [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1799] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1798] mkdirat(AT_FDCWD, "./config", 0777 [pid 1797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1796] close(24 [pid 313] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1799] chdir("./288" [pid 1798] <... mkdirat resumed>) = 0 [pid 1797] exit_group(0 [pid 1799] <... chdir resumed>) = 0 [pid 1798] mount(NULL, "./config", "configfs", 0, NULL [pid 1797] <... exit_group resumed>) = ? [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1798] <... mount resumed>) = 0 [pid 1797] +++ exited with 0 +++ [pid 1796] close(25 [pid 313] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1799] <... prctl resumed>) = 0 [pid 1798] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1799] setpgid(0, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1799] <... setpgid resumed>) = 0 [pid 1798] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1799] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1796] close(26 [pid 313] <... umount2 resumed>) = 0 [pid 1799] <... symlink resumed>) = 0 [pid 1798] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1799] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1798] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1796] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1799] <... symlink resumed>) = 0 [pid 1798] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1799] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] newfstatat(AT_FDCWD, "./304/config" [pid 1799] <... symlink resumed>) = 0 [pid 1799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1798] <... mkdirat resumed>) = 0 [pid 1796] close(28 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1799] write(3, "1000", 4 [pid 1798] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1799] <... write resumed>) = 4 [pid 313] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1799] close(3) = 0 [pid 1799] symlink("/dev/binderfs", "./binderfs" [pid 1798] <... symlinkat resumed>) = 0 [pid 1799] <... symlink resumed>) = 0 [pid 1796] close(29 [pid 1798] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1799] write(1, "executing program\n", 18 [pid 1796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1799] <... write resumed>) = 18 executing program [pid 1799] mkdirat(AT_FDCWD, "./config", 0777 [pid 1798] <... unlinkat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./304/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1799] <... mkdirat resumed>) = 0 [pid 1798] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1796] exit_group(0 [pid 1799] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... openat resumed>) = 4 [pid 1799] <... mount resumed>) = 0 [pid 1799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1798] <... unlinkat resumed>) = 0 [pid 1796] <... exit_group resumed>) = ? [pid 313] fstat(4 [pid 1799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1798] close(3 [pid 1799] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1799] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1799] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1796] +++ exited with 0 +++ [pid 1799] <... unlinkat resumed>) = 0 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1799] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1798] close(4 [pid 313] getdents64(4 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1799] <... unlinkat resumed>) = 0 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1799] close(3) = -1 EBADF (Bad file descriptor) [pid 1798] close(5 [pid 313] getdents64(4 [pid 1799] close(4 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] close(6 [pid 313] close(4 [pid 1799] close(5 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1798] close(7 [pid 1799] close(6 [pid 313] rmdir("./304/config" [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1799] close(7 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] close(8 [pid 313] <... rmdir resumed>) = 0 [pid 1799] close(8 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./304/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] close(9 [pid 1799] close(9 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1799] close(10) = -1 EBADF (Bad file descriptor) [pid 1798] close(10 [pid 313] newfstatat(AT_FDCWD, "./304/binderfs" [pid 1799] close(11 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] close(11 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1799] close(12) = -1 EBADF (Bad file descriptor) [pid 1799] close(13 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./304/binderfs" [pid 1799] close(14 [pid 1798] close(12 [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1799] close(15) = -1 EBADF (Bad file descriptor) [pid 1799] close(16) = -1 EBADF (Bad file descriptor) [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./304/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 1799] close(17 [pid 1798] close(13 [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1799] close(18) = -1 EBADF (Bad file descriptor) [pid 1799] close(19 [pid 1798] close(14 [pid 313] newfstatat(AT_FDCWD, "./304/cgroup.net" [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1799] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1798] close(15 [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./304/cgroup.net" [pid 310] umount2("./292", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1799] close(21 [pid 1798] close(16 [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1799] close(22 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./304/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1799] close(23 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] close(18 [pid 313] newfstatat(AT_FDCWD, "./304/cgroup.cpu" [pid 1799] close(24 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] close(19 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 1799] close(25 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./304/cgroup.cpu" [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] close(20 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1799] close(26 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] close(21 [pid 313] umount2("./304/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1799] close(27 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] close(22 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1799] close(28 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./304/cgroup" [pid 310] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] close(23 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1799] close(29 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 1799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1798] close(24 [pid 313] unlink("./304/cgroup" [pid 310] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1799] exit_group(0 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1799] <... exit_group resumed>) = ? [pid 313] <... unlink resumed>) = 0 [pid 1799] +++ exited with 0 +++ [pid 1798] close(25 [pid 313] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./292/config" [pid 1798] close(26 [pid 313] close(3 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1798] close(27 [pid 313] <... close resumed>) = 0 [pid 312] umount2("./300", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] rmdir("./304" [pid 312] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1798] close(28 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./305", 0777 [pid 312] fstat(3 [pid 310] openat(AT_FDCWD, "./292/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1798] close(29 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 312] getdents64(3 [pid 310] <... openat resumed>) = 4 [pid 1798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] fstat(4 [pid 1798] exit_group(0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1798] <... exit_group resumed>) = ? [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... umount2 resumed>) = 0 [pid 309] umount2("./288", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./300/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./300/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 312] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1798] +++ exited with 0 +++ [pid 312] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] getdents64(4 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] close(4ci2-android-5-15/strace-static-x86_64: Process 1800 attached ) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1800] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 307 [pid 312] rmdir("./300/config" [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1800] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1800] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./300/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 309] <... openat resumed>) = 3 [pid 1800] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] fstat(3 [pid 1800] chdir("./305" [pid 312] newfstatat(AT_FDCWD, "./300/binderfs" [pid 310] rmdir("./292/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1800] <... chdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] unlink("./300/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 1800] <... prctl resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] umount2("./292/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1800] setpgid(0, 0 [pid 312] umount2("./300/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1800] <... setpgid resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1800] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] newfstatat(AT_FDCWD, "./300/cgroup.net" [pid 311] umount2("./296", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./292/binderfs" [pid 1800] <... symlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 1800] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] unlink("./300/cgroup.net" [pid 311] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1800] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 1800] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] umount2("./300/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(3 [pid 310] unlink("./292/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1800] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] newfstatat(AT_FDCWD, "./300/cgroup.cpu" [pid 311] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./288/config" [pid 1800] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./292/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1800] write(3, "1000", 4 [pid 312] unlink("./300/cgroup.cpu" [pid 311] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1800] <... write resumed>) = 4 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./288/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1800] close(3 [pid 312] umount2("./300/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1800] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./292/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1800] symlink("/dev/binderfs", "./binderfs" [pid 312] newfstatat(AT_FDCWD, "./300/cgroup" [pid 311] newfstatat(AT_FDCWD, "./296/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./288/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1800] <... symlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./292/cgroup.net" [pid 1800] write(1, "executing program\n", 18 [pid 312] unlink("./300/cgroup" [pid 311] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 1800] <... write resumed>) = 18 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 1800] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] getdents64(3 [pid 311] openat(AT_FDCWD, "./296/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./292/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1800] <... mkdirat resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1800] mount(NULL, "./config", "configfs", 0, NULL [pid 312] close(3 [pid 311] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./292/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1800] <... mount resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 executing program [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] rmdir("./300" [pid 311] getdents64(4 [pid 310] unlink("./292/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1800] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] getdents64(4 [pid 1800] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] mkdir("./301", 0777 [pid 311] close(4 [pid 310] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1800] <... mkdirat resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 1800] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] rmdir("./296/config" [pid 1800] <... symlinkat resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1800] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] umount2("./296/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1800] <... unlinkat resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./292/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1800] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] newfstatat(AT_FDCWD, "./296/binderfs" [pid 1800] <... unlinkat resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./288/config" [pid 1800] close(3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] unlink("./296/binderfs" [pid 310] newfstatat(AT_FDCWD, "./292/cgroup" [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1800] close(4 [pid 311] umount2("./296/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1800] close(5 [pid 311] newfstatat(AT_FDCWD, "./296/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1801 attached [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./288/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1801] set_robust_list(0x55555bb49760, 24 [pid 1800] close(6 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 303 [pid 311] unlink("./296/cgroup.net" [pid 1801] <... set_robust_list resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./292/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1801] rt_sigprocmask(SIG_SETMASK, [] [pid 1800] close(7 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] umount2("./296/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./288/binderfs" [pid 1801] chdir("./301" [pid 1800] close(8 [pid 311] newfstatat(AT_FDCWD, "./296/cgroup.cpu" [pid 310] getdents64(3 [pid 1801] <... chdir resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1800] close(9 [pid 311] unlink("./296/cgroup.cpu" [pid 310] close(3 [pid 1801] <... prctl resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] unlink("./288/binderfs" [pid 1801] setpgid(0, 0 [pid 1800] close(10 [pid 311] umount2("./296/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1801] <... setpgid resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./292" [pid 309] <... unlink resumed>) = 0 [pid 1801] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1800] close(11 [pid 311] newfstatat(AT_FDCWD, "./296/cgroup" [pid 1801] <... symlink resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./288/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1801] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1800] close(12 [pid 311] unlink("./296/cgroup" [pid 1801] <... symlink resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] mkdir("./293", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1801] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1800] close(13 [pid 311] getdents64(3 [pid 1801] <... symlink resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./288/cgroup.net" [pid 1801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1800] close(14 [pid 311] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1801] <... openat resumed>) = 3 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1801] write(3, "1000", 4 [pid 1800] close(15 [pid 311] rmdir("./296" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./288/cgroup.net" [pid 1801] <... write resumed>) = 4 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1801] close(3 [pid 1800] close(16 [pid 311] mkdir("./297", 0777 [pid 1801] <... close resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 1801] symlink("/dev/binderfs", "./binderfs" [pid 1800] close(17 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 1802 attached [pid 1801] <... symlink resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1802] set_robust_list(0x55555bb49760, 24 [pid 1801] write(1, "executing program\n", 18 [pid 1800] close(18 executing program [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 295 [pid 309] umount2("./288/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1802] <... set_robust_list resumed>) = 0 [pid 1801] <... write resumed>) = 18 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1803 attached [pid 1801] mkdirat(AT_FDCWD, "./config", 0777 [pid 1800] close(19 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 299 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1803] set_robust_list(0x55555bb49760, 24 [pid 1802] rt_sigprocmask(SIG_SETMASK, [] [pid 1801] <... mkdirat resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./288/cgroup.cpu" [pid 1803] <... set_robust_list resumed>) = 0 [pid 1802] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1801] mount(NULL, "./config", "configfs", 0, NULL [pid 1800] close(20 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1801] <... mount resumed>) = 0 [pid 1803] rt_sigprocmask(SIG_SETMASK, [] [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1802] chdir("./293" [pid 1801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1800] close(21 [pid 1803] chdir("./297" [pid 1802] <... chdir resumed>) = 0 [pid 1801] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./288/cgroup.cpu" [pid 1801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1800] close(22 [pid 1803] <... chdir resumed>) = 0 [pid 1802] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1801] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1802] <... prctl resumed>) = 0 [pid 1801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1800] close(23 [pid 309] <... unlink resumed>) = 0 [pid 1803] <... prctl resumed>) = 0 [pid 1802] setpgid(0, 0 [pid 1801] <... mkdirat resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] setpgid(0, 0 [pid 1802] <... setpgid resumed>) = 0 [pid 1801] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1800] close(24 [pid 309] umount2("./288/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1803] <... setpgid resumed>) = 0 [pid 1802] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1801] <... symlinkat resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1801] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1800] close(25 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1803] <... symlink resumed>) = 0 [pid 1802] <... symlink resumed>) = 0 [pid 1801] <... unlinkat resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1802] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1801] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1800] close(26 [pid 309] newfstatat(AT_FDCWD, "./288/cgroup" [pid 1803] <... symlink resumed>) = 0 [pid 1802] <... symlink resumed>) = 0 [pid 1801] <... unlinkat resumed>) = 0 [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1802] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1801] close(3 [pid 1800] close(27 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1803] <... symlink resumed>) = 0 [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] <... symlink resumed>) = 0 [pid 1801] close(4 [pid 1800] close(28 [pid 309] unlink("./288/cgroup" [pid 1803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1801] close(5 [pid 1800] close(29 [pid 309] <... unlink resumed>) = 0 [pid 1803] <... openat resumed>) = 3 [pid 1802] <... openat resumed>) = 3 [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1803] write(3, "1000", 4 [pid 1802] write(3, "1000", 4 [pid 1801] close(6 [pid 1800] exit_group(0 [pid 1803] <... write resumed>) = 4 [pid 1802] <... write resumed>) = 4 [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1800] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1803] close(3 [pid 1802] close(3 [pid 1801] close(7 [pid 1800] +++ exited with 0 +++ [pid 309] close(3 [pid 1803] <... close resumed>) = 0 [pid 1802] <... close resumed>) = 0 [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] symlink("/dev/binderfs", "./binderfs" [pid 1802] symlink("/dev/binderfs", "./binderfs" [pid 1801] close(8 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 1803] <... symlink resumed>) = 0 [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] <... symlink resumed>) = 0 [pid 1801] close(9 [pid 309] rmdir("./288" [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1803] write(1, "executing program\n", 18 [pid 1802] write(1, "executing program\n", 18 [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] <... write resumed>) = 18 [pid 1802] <... write resumed>) = 18 [pid 1801] close(10 [pid 313] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1803] mkdirat(AT_FDCWD, "./config", 0777 [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] mkdirat(AT_FDCWD, "./config", 0777 [pid 1801] close(11 [pid 309] mkdir("./289", 0777 [pid 1803] <... mkdirat resumed>) = 0 [pid 1802] <... mkdirat resumed>) = 0 [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1801] close(12 [pid 1803] mount(NULL, "./config", "configfs", 0, NULL [pid 1802] mount(NULL, "./config", "configfs", 0, NULL [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./305", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 1803] <... mount resumed>) = 0 [pid 1801] close(13 [pid 1802] <... mount resumed>) = 0 [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1801] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1803] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1801] close(15) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1801] close(16) = -1 EBADF (Bad file descriptor) [pid 1801] close(17) = -1 EBADF (Bad file descriptor) [pid 1801] close(18) = -1 EBADF (Bad file descriptor) [pid 1801] close(19) = -1 EBADF (Bad file descriptor) [pid 1801] close(20) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1804 attached [pid 1803] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1801] close(21 [pid 313] fstat(3 [pid 1804] set_robust_list(0x55555bb49760, 24 [pid 1803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 291 [pid 1804] <... set_robust_list resumed>) = 0 [pid 1801] close(22 [pid 1804] rt_sigprocmask(SIG_SETMASK, [] [pid 1803] <... mkdirat resumed>) = 0 [pid 1802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1804] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1803] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1802] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1801] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1804] chdir("./289" [pid 1803] <... symlinkat resumed>) = 0 [pid 1802] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1804] <... chdir resumed>) = 0 [pid 1803] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1802] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1801] close(24 [pid 313] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1803] <... unlinkat resumed>) = 0 [pid 1802] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1804] <... prctl resumed>) = 0 [pid 1803] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1802] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1801] close(25 [pid 313] <... umount2 resumed>) = 0 [pid 1804] setpgid(0, 0 [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1804] <... setpgid resumed>) = 0 [pid 1803] <... unlinkat resumed>) = 0 [pid 1801] close(26 [pid 1804] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1803] close(3 [pid 1802] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1804] <... symlink resumed>) = 0 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(3 [pid 1801] close(27 [pid 1804] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1803] close(4 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program executing program [pid 1804] <... symlink resumed>) = 0 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(4 [pid 1801] close(28 [pid 313] newfstatat(AT_FDCWD, "./305/config" [pid 1804] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1803] close(5 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1804] <... symlink resumed>) = 0 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(5 [pid 1801] close(29 [pid 313] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1803] close(6 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1804] <... openat resumed>) = 3 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(6 [pid 1801] exit_group(0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1804] write(3, "1000", 4 [pid 1803] close(7 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1801] <... exit_group resumed>) = ? [pid 313] openat(AT_FDCWD, "./305/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1804] <... write resumed>) = 4 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(7 [pid 1801] +++ exited with 0 +++ [pid 1804] close(3 [pid 1803] close(8 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1804] <... close resumed>) = 0 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(8 [pid 1804] symlink("/dev/binderfs", "./binderfs" [pid 313] fstat(4 [pid 1804] <... symlink resumed>) = 0 [pid 1803] close(9 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1804] write(1, "executing program\n", 18 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1804] <... write resumed>) = 18 [pid 1802] close(9 [pid 1803] close(10 [pid 313] getdents64(4 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1804] mkdirat(AT_FDCWD, "./config", 0777 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1804] <... mkdirat resumed>) = 0 [pid 1803] close(11 [pid 1802] close(10 [pid 313] getdents64(4 [pid 1804] mount(NULL, "./config", "configfs", 0, NULL [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1804] <... mount resumed>) = 0 [pid 1803] close(12 [pid 1802] close(11 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1803] close(13 [pid 1802] close(12 [pid 1804] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... close resumed>) = 0 [pid 1804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1804] <... mkdirat resumed>) = 0 [pid 1803] close(14 [pid 313] rmdir("./305/config" [pid 1802] close(13 [pid 1804] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1804] <... symlinkat resumed>) = 0 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1804] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1803] close(15 [pid 1802] close(14 [pid 313] umount2("./305/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1804] <... unlinkat resumed>) = 0 [pid 1804] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1804] <... unlinkat resumed>) = 0 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1804] close(3 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(15 [pid 313] newfstatat(AT_FDCWD, "./305/binderfs" [pid 312] umount2("./301", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] close(17 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1804] close(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1804] close(5 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(16 [pid 312] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] close(18 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./305/binderfs" [pid 1804] close(6 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(17 [pid 312] <... openat resumed>) = 3 [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] close(19 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] fstat(3 [pid 1804] close(7 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(18 [pid 313] umount2("./305/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] close(20 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1804] close(8 [pid 312] getdents64(3 [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(19 [pid 313] newfstatat(AT_FDCWD, "./305/cgroup.net" [pid 1804] close(9 [pid 1803] close(21 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1804] close(10 [pid 1803] close(22 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./305/cgroup.net" [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(21 [pid 312] <... umount2 resumed>) = 0 [pid 1804] close(11 [pid 1803] close(23 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(22 [pid 313] umount2("./305/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1804] close(12 [pid 1803] close(24 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./301/config" [pid 1804] close(13 [pid 1803] close(25 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./305/cgroup.cpu" [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1804] close(14 [pid 1803] close(26 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(25 [pid 313] unlink("./305/cgroup.cpu" [pid 1804] close(15 [pid 1803] close(27 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1804] close(16) = -1 EBADF (Bad file descriptor) [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(26 [pid 313] <... unlink resumed>) = 0 [pid 312] openat(AT_FDCWD, "./301/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1804] close(17 [pid 1803] close(28 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./305/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(27 [pid 312] <... openat resumed>) = 4 [pid 1804] close(18 [pid 1803] close(29 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1804] close(19 [pid 1803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] close(28 [pid 312] fstat(4 [pid 313] newfstatat(AT_FDCWD, "./305/cgroup" [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1803] exit_group(0 [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1804] close(20 [pid 1803] <... exit_group resumed>) = ? [pid 1802] close(29 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(4 [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1804] close(21) = -1 EBADF (Bad file descriptor) [pid 1804] close(22) = -1 EBADF (Bad file descriptor) [pid 1804] close(23) = -1 EBADF (Bad file descriptor) [pid 1804] close(24) = -1 EBADF (Bad file descriptor) [pid 1804] close(25) = -1 EBADF (Bad file descriptor) [pid 1804] close(26) = -1 EBADF (Bad file descriptor) [pid 1803] +++ exited with 0 +++ [pid 1804] close(27) = -1 EBADF (Bad file descriptor) [pid 1802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./305/cgroup" [pid 1804] close(28 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1802] exit_group(0 [pid 313] <... unlink resumed>) = 0 [pid 1804] close(29 [pid 1802] <... exit_group resumed>) = ? [pid 312] getdents64(4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1804] exit_group(0) = ? [pid 1804] +++ exited with 0 +++ [pid 1802] +++ exited with 0 +++ [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] close(3 [pid 312] close(4 [pid 313] <... close resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... close resumed>) = 0 [pid 313] rmdir("./305" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] rmdir("./301/config" [pid 313] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] mkdir("./306", 0777 [pid 312] <... rmdir resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 312] umount2("./301/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./297", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] newfstatat(AT_FDCWD, "./301/binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 311] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1805 attached [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1805] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 308 [pid 312] unlink("./301/binderfs" [pid 311] <... openat resumed>) = 3 [pid 1805] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1805] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] fstat(3 [pid 1805] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./293", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./301/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1805] chdir("./306" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1805] <... chdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 1805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1805] <... prctl resumed>) = 0 [pid 1805] setpgid(0, 0 [pid 312] newfstatat(AT_FDCWD, "./301/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1805] <... setpgid resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 1805] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] unlink("./301/cgroup.net" [pid 311] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 1805] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1805] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 311] <... umount2 resumed>) = 0 [pid 312] umount2("./301/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1805] <... symlink resumed>) = 0 [pid 1805] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] newfstatat(AT_FDCWD, "./301/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1805] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1805] write(3, "1000", 4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./297/config" [pid 310] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1805] <... write resumed>) = 4 [pid 312] unlink("./301/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1805] close(3) = 0 [pid 310] <... umount2 resumed>) = 0 executing program [pid 1805] symlink("/dev/binderfs", "./binderfs" [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1805] <... symlink resumed>) = 0 [pid 312] umount2("./301/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1805] write(1, "executing program\n", 18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1805] <... write resumed>) = 18 [pid 312] newfstatat(AT_FDCWD, "./301/cgroup" [pid 311] openat(AT_FDCWD, "./297/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./293/config" [pid 1805] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1805] <... mkdirat resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 312] unlink("./301/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1805] mount(NULL, "./config", "configfs", 0, NULL [pid 311] fstat(4 [pid 1805] <... mount resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] getdents64(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1805] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] getdents64(4 [pid 1805] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] close(3 [pid 310] openat(AT_FDCWD, "./293/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... close resumed>) = 0 [pid 1805] <... mkdirat resumed>) = 0 [pid 311] getdents64(4 [pid 312] rmdir("./301" [pid 310] <... openat resumed>) = 4 [pid 1805] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1805] <... symlinkat resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] close(4 [pid 310] fstat(4 [pid 1805] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] mkdir("./302", 0777 [pid 311] <... close resumed>) = 0 [pid 1805] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1805] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] rmdir("./297/config" [pid 310] getdents64(4 [pid 1805] close(3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1805] close(4) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1805] close(5 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] umount2("./297/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1805] close(6) = -1 EBADF (Bad file descriptor) [pid 1805] close(7) = -1 EBADF (Bad file descriptor) [pid 1805] close(8) = -1 EBADF (Bad file descriptor) [pid 1805] close(9) = -1 EBADF (Bad file descriptor) [pid 1805] close(10) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1806 attached [pid 1805] close(11 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1806] set_robust_list(0x55555bb49760, 24 [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 304 [pid 311] newfstatat(AT_FDCWD, "./297/binderfs" [pid 310] close(4 [pid 1806] <... set_robust_list resumed>) = 0 [pid 1805] close(12 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1806] rt_sigprocmask(SIG_SETMASK, [] [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 1806] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1805] close(13 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] unlink("./297/binderfs" [pid 1806] chdir("./302" [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./293/config" [pid 1806] <... chdir resumed>) = 0 [pid 1805] close(14 [pid 311] <... unlink resumed>) = 0 [pid 1806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./297/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./289", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1806] <... prctl resumed>) = 0 [pid 1805] close(15 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./293/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1806] setpgid(0, 0 [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1806] <... setpgid resumed>) = 0 [pid 1805] close(16 [pid 311] newfstatat(AT_FDCWD, "./297/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1806] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1806] <... symlink resumed>) = 0 [pid 1805] close(17 [pid 310] newfstatat(AT_FDCWD, "./293/binderfs" [pid 309] <... openat resumed>) = 3 [pid 1806] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./297/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 1806] <... symlink resumed>) = 0 [pid 1805] close(18 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./293/binderfs" [pid 1806] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./297/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1806] <... symlink resumed>) = 0 [pid 1805] close(19 [pid 310] <... unlink resumed>) = 0 [pid 1806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./293/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1806] <... openat resumed>) = 3 [pid 1805] close(20 [pid 1806] write(3, "1000", 4 [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1806] <... write resumed>) = 4 [pid 1805] close(21 [pid 311] newfstatat(AT_FDCWD, "./297/cgroup.cpu" [pid 1806] close(3 [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1806] <... close resumed>) = 0 [pid 1805] close(22 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./293/cgroup.net" [pid 309] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1806] symlink("/dev/binderfs", "./binderfs" [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1806] <... symlink resumed>) = 0 [pid 1805] close(23 [pid 311] unlink("./297/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1806] write(1, "executing program\n", 18 [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./293/cgroup.net" [pid 1806] <... write resumed>) = 18 executing program [pid 1805] close(24 [pid 309] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1806] mkdirat(AT_FDCWD, "./config", 0777 [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./297/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1806] <... mkdirat resumed>) = 0 [pid 1805] close(25 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1806] mount(NULL, "./config", "configfs", 0, NULL [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1806] <... mount resumed>) = 0 [pid 1805] close(26 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./293/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./289/config" [pid 1806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./297/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1805] close(27 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./293/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1805] close(28 [pid 311] unlink("./297/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./289/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./293/cgroup.cpu" [pid 1806] <... mkdirat resumed>) = 0 [pid 1805] close(29 [pid 311] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1806] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./289/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1806] <... symlinkat resumed>) = 0 [pid 1805] exit_group(0 [pid 311] close(3 [pid 310] umount2("./293/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1806] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1805] <... exit_group resumed>) = ? [pid 311] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1806] <... unlinkat resumed>) = 0 [pid 1805] +++ exited with 0 +++ [pid 311] rmdir("./297" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 1806] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./293/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1806] close(3) = -1 EBADF (Bad file descriptor) [pid 1806] close(4 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] mkdir("./298", 0777 [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1806] close(5 [pid 311] <... mkdir resumed>) = 0 [pid 310] unlink("./293/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1806] close(6 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1806] close(7) = -1 EBADF (Bad file descriptor) [pid 1806] close(8) = -1 EBADF (Bad file descriptor) [pid 1806] close(9) = -1 EBADF (Bad file descriptor) [pid 1806] close(10) = -1 EBADF (Bad file descriptor) [pid 1806] close(11ci2-android-5-15/strace-static-x86_64: Process 1807 attached ) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 300 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 1807] set_robust_list(0x55555bb49760, 24 [pid 1806] close(12) = -1 EBADF (Bad file descriptor) [pid 1807] <... set_robust_list resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(3 [pid 309] <... close resumed>) = 0 [pid 1806] close(13 [pid 1807] rt_sigprocmask(SIG_SETMASK, [] [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1807] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1806] close(14 [pid 310] <... close resumed>) = 0 [pid 309] rmdir("./289/config" [pid 1807] chdir("./298" [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./293" [pid 1807] <... chdir resumed>) = 0 [pid 1806] close(15 [pid 309] <... rmdir resumed>) = 0 [pid 1807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./289/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1807] <... prctl resumed>) = 0 [pid 1806] close(16 [pid 310] mkdir("./294", 0777 [pid 1807] setpgid(0, 0 [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1807] <... setpgid resumed>) = 0 [pid 1806] close(17 [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./289/binderfs" [pid 1807] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1806] close(18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1807] <... symlink resumed>) = 0 [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1807] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1806] close(19 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./289/binderfs" [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] <... symlink resumed>) = 0 [pid 1806] close(20) = -1 EBADF (Bad file descriptor) [pid 1806] close(21) = -1 EBADF (Bad file descriptor) [pid 1806] close(22) = -1 EBADF (Bad file descriptor) [pid 1806] close(23) = -1 EBADF (Bad file descriptor) [pid 1806] close(24) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1808 attached [pid 1807] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1806] close(25 [pid 309] <... unlink resumed>) = 0 [pid 1808] set_robust_list(0x55555bb49760, 24 [pid 1807] <... symlink resumed>) = 0 [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1808] <... set_robust_list resumed>) = 0 [pid 1806] close(26 [pid 1807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 296 [pid 309] umount2("./289/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1808] rt_sigprocmask(SIG_SETMASK, [] [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1807] <... openat resumed>) = 3 [pid 1806] close(27 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1808] chdir("./294" [pid 1807] write(3, "1000", 4 [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1808] <... chdir resumed>) = 0 [pid 1807] <... write resumed>) = 4 [pid 1806] close(28 [pid 309] newfstatat(AT_FDCWD, "./289/cgroup.net" [pid 1808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1807] close(3 [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1808] <... prctl resumed>) = 0 [pid 1807] <... close resumed>) = 0 [pid 1806] close(29 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1808] setpgid(0, 0 [pid 1807] symlink("/dev/binderfs", "./binderfs" [pid 1806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./289/cgroup.net" [pid 1808] <... setpgid resumed>) = 0 [pid 1807] <... symlink resumed>) = 0 [pid 1806] exit_group(0 [pid 1808] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1807] write(1, "executing program\n", 18 [pid 1806] <... exit_group resumed>) = ? executing program [pid 309] <... unlink resumed>) = 0 [pid 1808] <... symlink resumed>) = 0 [pid 1807] <... write resumed>) = 18 [pid 1806] +++ exited with 0 +++ [pid 1808] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 1807] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./289/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1808] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1808] <... symlink resumed>) = 0 [pid 1807] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1807] mount(NULL, "./config", "configfs", 0, NULL [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./289/cgroup.cpu" [pid 1808] <... openat resumed>) = 3 [pid 1808] write(3, "1000", 4) = 4 [pid 1807] <... mount resumed>) = 0 [pid 313] umount2("./306", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1808] close(3 [pid 1807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1808] <... close resumed>) = 0 [pid 1807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./289/cgroup.cpu" [pid 1808] symlink("/dev/binderfs", "./binderfs" [pid 1807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1808] <... symlink resumed>) = 0 [pid 313] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1808] write(1, "executing program\n", 18 [pid 1807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1808] <... write resumed>) = 18 [pid 313] <... openat resumed>) = 3 [pid 1807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./289/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1808] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] fstat(3 [pid 1808] <... mkdirat resumed>) = 0 [pid 1807] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1808] mount(NULL, "./config", "configfs", 0, NULL [pid 1807] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./289/cgroup" [pid 1808] <... mount resumed>) = 0 [pid 1808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1807] <... symlinkat resumed>) = 0 [pid 313] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1807] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] unlink("./289/cgroup" [pid 1808] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1808] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1807] <... unlinkat resumed>) = 0 [pid 313] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1808] <... symlinkat resumed>) = 0 [pid 1807] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... unlink resumed>) = 0 [pid 1808] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = 0 [pid 1808] <... unlinkat resumed>) = 0 [pid 1807] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 313] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1808] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1807] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1808] <... unlinkat resumed>) = 0 [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./306/config" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1808] close(3) = -1 EBADF (Bad file descriptor) [pid 1807] close(4 [pid 1808] close(4 [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] close(5 [pid 1808] close(5) = -1 EBADF (Bad file descriptor) [pid 1808] close(6) = -1 EBADF (Bad file descriptor) [pid 1808] close(7) = -1 EBADF (Bad file descriptor) [pid 1808] close(8 [pid 313] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1808] close(9 [pid 1807] close(6 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./289" [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./306/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1808] close(10) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1808] close(11 [pid 1807] close(7 [pid 313] <... openat resumed>) = 4 [pid 309] mkdir("./290", 0777 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 1808] close(12 [pid 1807] close(8 [pid 309] <... mkdir resumed>) = 0 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1808] close(13) = -1 EBADF (Bad file descriptor) [pid 1807] close(9 [pid 1808] close(14 [pid 313] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1808] close(15 [pid 1807] close(10 [pid 313] getdents64(4 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1808] close(16) = -1 EBADF (Bad file descriptor) [pid 1808] close(17) = -1 EBADF (Bad file descriptor) [pid 1808] close(18) = -1 EBADF (Bad file descriptor) [pid 1808] close(19) = -1 EBADF (Bad file descriptor) [pid 1808] close(20ci2-android-5-15/strace-static-x86_64: Process 1809 attached ) = -1 EBADF (Bad file descriptor) [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1809] set_robust_list(0x55555bb49760, 24 [pid 1808] close(21 [pid 1807] close(11 [pid 313] close(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 292 [pid 1809] <... set_robust_list resumed>) = 0 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1809] rt_sigprocmask(SIG_SETMASK, [] [pid 1808] close(22 [pid 1807] close(12 [pid 313] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1809] chdir("./290" [pid 1808] close(23 [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./306/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1809] <... chdir resumed>) = 0 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] close(13 [pid 312] <... restart_syscall resumed>) = 0 [pid 1809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1808] close(24 [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1809] <... prctl resumed>) = 0 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1809] setpgid(0, 0 [pid 1808] close(25 [pid 1807] close(14 [pid 313] umount2("./306/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1809] <... setpgid resumed>) = 0 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1809] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1808] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1809] <... symlink resumed>) = 0 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] close(15 [pid 313] newfstatat(AT_FDCWD, "./306/binderfs" [pid 312] umount2("./302", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1809] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1808] close(27 [pid 1809] <... symlink resumed>) = 0 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1809] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1808] close(28 [pid 1807] close(16 [pid 313] unlink("./306/binderfs" [pid 312] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1809] <... symlink resumed>) = 0 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1808] close(29 [pid 1807] close(17 [pid 313] umount2("./306/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... openat resumed>) = 3 [pid 1809] <... openat resumed>) = 3 [pid 1808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1809] write(3, "1000", 4 [pid 1808] exit_group(0 [pid 1807] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] fstat(3 [pid 1809] <... write resumed>) = 4 [pid 1808] <... exit_group resumed>) = ? [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./306/cgroup.net" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1809] close(3 [pid 1808] +++ exited with 0 +++ [pid 1807] close(19 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(3 [pid 1809] <... close resumed>) = 0 [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./306/cgroup.net" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1809] symlink("/dev/binderfs", "./binderfs" [pid 1807] close(20 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1809] <... symlink resumed>) = 0 [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1809] write(1, "executing program\n", 18 [pid 1807] close(21 [pid 313] umount2("./306/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1809] <... write resumed>) = 18 [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 executing program [pid 1809] mkdirat(AT_FDCWD, "./config", 0777 [pid 1807] close(22 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1809] <... mkdirat resumed>) = 0 [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./306/cgroup.cpu" [pid 1809] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1809] <... mount resumed>) = 0 [pid 1807] close(23 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./302/config" [pid 1809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1809] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] unlink("./306/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1807] close(24 [pid 1809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1807] close(25 [pid 313] umount2("./306/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1809] <... mkdirat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1809] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1809] <... symlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1807] close(26 [pid 312] openat(AT_FDCWD, "./302/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1809] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./306/cgroup" [pid 1809] <... unlinkat resumed>) = 0 [pid 1807] close(27 [pid 312] <... openat resumed>) = 4 [pid 1809] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1809] <... unlinkat resumed>) = 0 [pid 1807] close(28 [pid 313] unlink("./306/cgroup" [pid 312] fstat(4 [pid 1809] close(3 [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] close(29 [pid 313] getdents64(3 [pid 1809] close(4 [pid 1807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] getdents64(4 [pid 1809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1809] close(5 [pid 1807] exit_group(0 [pid 313] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1807] <... exit_group resumed>) = ? [pid 313] <... close resumed>) = 0 [pid 312] getdents64(4 [pid 1809] close(6) = -1 EBADF (Bad file descriptor) [pid 1809] close(7) = -1 EBADF (Bad file descriptor) [pid 1809] close(8) = -1 EBADF (Bad file descriptor) [pid 1809] close(9) = -1 EBADF (Bad file descriptor) [pid 1809] close(10) = -1 EBADF (Bad file descriptor) [pid 1809] close(11) = -1 EBADF (Bad file descriptor) [pid 1809] close(12) = -1 EBADF (Bad file descriptor) [pid 1809] close(13) = -1 EBADF (Bad file descriptor) [pid 1809] close(14) = -1 EBADF (Bad file descriptor) [pid 1807] +++ exited with 0 +++ [pid 1809] close(15 [pid 313] rmdir("./306" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1809] close(16 [pid 313] <... rmdir resumed>) = 0 [pid 312] close(4 [pid 1809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1809] close(17) = -1 EBADF (Bad file descriptor) [pid 1809] close(18 [pid 313] mkdir("./307", 0777 [pid 1809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1809] close(19 [pid 313] <... mkdir resumed>) = 0 [pid 1809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./302/config" [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1809] close(20) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 1809] close(21 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] umount2("./302/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1809] close(22) = -1 EBADF (Bad file descriptor) [pid 1809] close(23) = -1 EBADF (Bad file descriptor) [pid 1809] close(24) = -1 EBADF (Bad file descriptor) [pid 1809] close(25) = -1 EBADF (Bad file descriptor) [pid 1809] close(26) = -1 EBADF (Bad file descriptor) [pid 1809] close(27) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1810 attached [pid 1809] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1810] set_robust_list(0x55555bb49760, 24 [pid 1809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 309 [pid 312] newfstatat(AT_FDCWD, "./302/binderfs" [pid 1810] <... set_robust_list resumed>) = 0 [pid 1809] close(29 [pid 1810] rt_sigprocmask(SIG_SETMASK, [] [pid 1809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1809] exit_group(0 [pid 1810] chdir("./307" [pid 1809] <... exit_group resumed>) = ? [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] unlink("./302/binderfs" [pid 1810] <... chdir resumed>) = 0 [pid 1809] +++ exited with 0 +++ [pid 1810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... unlink resumed>) = 0 [pid 1810] <... prctl resumed>) = 0 [pid 1810] setpgid(0, 0 [pid 312] umount2("./302/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1810] <... setpgid resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1810] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1810] <... symlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./302/cgroup.net" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./290", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1810] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1810] <... symlink resumed>) = 0 [pid 312] unlink("./302/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1810] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] umount2("./302/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./294", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1810] <... openat resumed>) = 3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 1810] write(3, "1000", 4 [pid 312] newfstatat(AT_FDCWD, "./302/cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1810] <... write resumed>) = 4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1810] close(3) = 0 [pid 312] unlink("./302/cgroup.cpu" [pid 310] <... openat resumed>) = 3 [pid 1810] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(3 [pid 1810] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 1810] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 executing program [pid 1810] <... write resumed>) = 18 [pid 312] umount2("./302/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1810] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1810] <... mkdirat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./302/cgroup" [pid 309] <... umount2 resumed>) = 0 [pid 1810] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1810] <... mount resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] unlink("./302/cgroup" [pid 310] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1810] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./290/config" [pid 1810] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] getdents64(3 [pid 310] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1810] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1810] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 312] close(3 [pid 310] newfstatat(AT_FDCWD, "./294/config" [pid 309] umount2("./290/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1810] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1810] <... unlinkat resumed>) = 0 [pid 312] rmdir("./302" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1810] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./290/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1810] <... unlinkat resumed>) = 0 [pid 312] mkdir("./303", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1810] close(3) = -1 EBADF (Bad file descriptor) [pid 1810] close(4) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1810] close(5 [pid 312] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./294/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(4 [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1810] close(6 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(4 [pid 1810] close(7 [pid 309] getdents64(4 [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1810] close(8) = -1 EBADF (Bad file descriptor) [pid 1810] close(9) = -1 EBADF (Bad file descriptor) [pid 1810] close(10) = -1 EBADF (Bad file descriptor) [pid 1810] close(11) = -1 EBADF (Bad file descriptor) [pid 1810] close(12) = -1 EBADF (Bad file descriptor) [pid 1810] close(13) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1811 attached [pid 1810] close(14 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1811] set_robust_list(0x55555bb49760, 24 [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 305 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 1811] <... set_robust_list resumed>) = 0 [pid 1810] close(15 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1811] rt_sigprocmask(SIG_SETMASK, [] [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1811] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1810] close(16 [pid 1811] chdir("./303" [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] close(4 [pid 1811] <... chdir resumed>) = 0 [pid 1810] close(17 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 309] <... close resumed>) = 0 [pid 1811] <... prctl resumed>) = 0 [pid 1810] close(18 [pid 1811] setpgid(0, 0 [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 309] rmdir("./290/config" [pid 1811] <... setpgid resumed>) = 0 [pid 1811] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 1810] close(19 [pid 311] umount2("./298", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./294/config" [pid 309] <... rmdir resumed>) = 0 [pid 1811] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1811] <... symlink resumed>) = 0 [pid 1810] close(20 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./290/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1811] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./294/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1811] <... symlink resumed>) = 0 [pid 1810] close(21 [pid 311] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./290/binderfs" [pid 1811] <... openat resumed>) = 3 [pid 1810] close(22 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./294/binderfs" [pid 1811] write(3, "1000", 4) = 4 [pid 311] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1811] close(3 [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./290/binderfs" [pid 1811] <... close resumed>) = 0 [pid 1810] close(23 [pid 311] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./294/binderfs" [pid 1811] symlink("/dev/binderfs", "./binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1811] <... symlink resumed>) = 0 [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./290/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1811] write(1, "executing program\n", 18 [pid 1810] close(24 [pid 311] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./294/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1811] <... write resumed>) = 18 executing program [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1811] mkdirat(AT_FDCWD, "./config", 0777 [pid 1810] close(25 [pid 311] newfstatat(AT_FDCWD, "./298/config" [pid 310] newfstatat(AT_FDCWD, "./294/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./290/cgroup.net" [pid 1811] <... mkdirat resumed>) = 0 [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1811] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1811] <... mount resumed>) = 0 [pid 1810] close(26 [pid 311] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./294/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1810] close(27 [pid 311] openat(AT_FDCWD, "./298/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./290/cgroup.net" [pid 1811] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 1811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./294/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1810] close(28 [pid 309] <... unlink resumed>) = 0 [pid 311] fstat(4 [pid 1811] <... mkdirat resumed>) = 0 [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1811] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1810] close(29 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./294/cgroup.cpu" [pid 309] umount2("./290/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1811] <... symlinkat resumed>) = 0 [pid 1810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1811] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] getdents64(4 [pid 1811] <... unlinkat resumed>) = 0 [pid 1810] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1811] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1810] <... exit_group resumed>) = ? [pid 311] getdents64(4 [pid 310] unlink("./294/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./290/cgroup.cpu" [pid 1811] <... unlinkat resumed>) = 0 [pid 1811] close(3) = -1 EBADF (Bad file descriptor) [pid 1811] close(4) = -1 EBADF (Bad file descriptor) [pid 1811] close(5) = -1 EBADF (Bad file descriptor) [pid 1811] close(6) = -1 EBADF (Bad file descriptor) [pid 1811] close(7) = -1 EBADF (Bad file descriptor) [pid 1810] +++ exited with 0 +++ [pid 1811] close(8) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1811] close(9 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] close(4 [pid 310] umount2("./294/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./290/cgroup.cpu" [pid 1811] close(10 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./298/config" [pid 309] <... unlink resumed>) = 0 [pid 1811] close(11 [pid 310] newfstatat(AT_FDCWD, "./294/cgroup" [pid 1811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 309] umount2("./290/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1811] close(12 [pid 311] umount2("./298/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./294/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1811] close(13) = -1 EBADF (Bad file descriptor) [pid 1811] close(14 [pid 311] newfstatat(AT_FDCWD, "./298/binderfs" [pid 1811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./290/cgroup" [pid 1811] close(15 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1811] close(16) = -1 EBADF (Bad file descriptor) [pid 1811] close(17) = -1 EBADF (Bad file descriptor) [pid 1811] close(18) = -1 EBADF (Bad file descriptor) [pid 1811] close(19 [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./298/binderfs" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] unlink("./290/cgroup" [pid 1811] close(20) = -1 EBADF (Bad file descriptor) [pid 1811] close(21) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1811] close(22 [pid 310] close(3 [pid 1811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./298/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1811] close(23 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 1811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./298/cgroup.net" [pid 310] rmdir("./294" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1811] close(24 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./298/cgroup.net" [pid 310] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 1811] close(25) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] mkdir("./295", 0777 [pid 309] <... close resumed>) = 0 [pid 1811] close(26 [pid 311] umount2("./298/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] rmdir("./290" [pid 1811] close(27 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./298/cgroup.cpu" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1811] close(28 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] mkdir("./291", 0777 [pid 1811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./298/cgroup.cpu" [pid 1811] close(29) = -1 EBADF (Bad file descriptor) [pid 1811] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1812 attached [pid 1811] +++ exited with 0 +++ [pid 311] <... unlink resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1812] set_robust_list(0x55555bb49760, 24 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./298/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 297 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1812] <... set_robust_list resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1812] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] newfstatat(AT_FDCWD, "./298/cgroup" [pid 1812] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./303", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1813 attached [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1813] set_robust_list(0x55555bb49760, 24 [pid 1812] chdir("./295" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./298/cgroup" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 293 [pid 1813] <... set_robust_list resumed>) = 0 [pid 1812] <... chdir resumed>) = 0 [pid 312] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1813] rt_sigprocmask(SIG_SETMASK, [] [pid 1812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1813] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1812] <... prctl resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 311] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1813] chdir("./291" [pid 1812] setpgid(0, 0 [pid 312] fstat(3 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1813] <... chdir resumed>) = 0 [pid 1812] <... setpgid resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] close(3 [pid 1813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1812] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 312] getdents64(3 [pid 1813] <... prctl resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 1813] setpgid(0, 0) = 0 [pid 1812] <... symlink resumed>) = 0 [pid 1813] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1812] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 311] rmdir("./298" [pid 1813] <... symlink resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1813] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1812] <... symlink resumed>) = 0 [pid 1813] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 1812] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 311] <... rmdir resumed>) = 0 [pid 1813] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 312] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1813] <... symlink resumed>) = 0 [pid 1812] <... symlink resumed>) = 0 [pid 313] umount2("./307", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] mkdir("./299", 0777 [pid 1813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1813] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... mkdir resumed>) = 0 [pid 1813] write(3, "1000", 4 [pid 1812] <... openat resumed>) = 3 [pid 313] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./303/config" [pid 1813] <... write resumed>) = 4 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1813] close(3 [pid 1812] write(3, "1000", 4 [pid 313] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1813] <... close resumed>) = 0 [pid 1812] <... write resumed>) = 4 [pid 313] fstat(3 [pid 312] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1813] symlink("/dev/binderfs", "./binderfs" [pid 1812] close(3 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1813] <... symlink resumed>) = 0 [pid 1812] <... close resumed>) = 0 [pid 313] getdents64(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1813] write(1, "executing program\n", 18) = 18 [pid 1813] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1813] mount(NULL, "./config", "configfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 1814 attached ) = 0 [pid 1812] symlink("/dev/binderfs", "./binderfs" [pid 312] openat(AT_FDCWD, "./303/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1814] set_robust_list(0x55555bb49760, 24 [pid 1813] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1814] <... set_robust_list resumed>) = 0 executing program [pid 1813] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1812] <... symlink resumed>) = 0 [pid 313] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... openat resumed>) = 4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 301 [pid 1814] rt_sigprocmask(SIG_SETMASK, [] [pid 1813] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1812] write(1, "executing program\n", 18 [pid 312] fstat(4 [pid 1814] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1813] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1812] <... write resumed>) = 18 [pid 313] <... umount2 resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1814] chdir("./299" executing program [pid 1813] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1812] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] getdents64(4 [pid 313] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1814] <... chdir resumed>) = 0 [pid 1813] <... mkdirat resumed>) = 0 [pid 1812] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1813] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1812] mount(NULL, "./config", "configfs", 0, NULL [pid 313] newfstatat(AT_FDCWD, "./307/config" [pid 312] getdents64(4 [pid 1814] <... prctl resumed>) = 0 [pid 1813] <... symlinkat resumed>) = 0 [pid 1812] <... mount resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1814] setpgid(0, 0 [pid 1813] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(4 [pid 1814] <... setpgid resumed>) = 0 [pid 1813] <... unlinkat resumed>) = 0 [pid 1812] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... close resumed>) = 0 [pid 1814] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1813] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] openat(AT_FDCWD, "./307/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] rmdir("./303/config" [pid 1814] <... symlink resumed>) = 0 [pid 1813] <... unlinkat resumed>) = 0 [pid 1812] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 4 [pid 312] <... rmdir resumed>) = 0 [pid 1814] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1813] close(3 [pid 1812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] fstat(4 [pid 312] umount2("./303/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1814] <... symlink resumed>) = 0 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... mkdirat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1814] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1813] close(4 [pid 1812] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] getdents64(4 [pid 312] newfstatat(AT_FDCWD, "./303/binderfs" [pid 1814] <... symlink resumed>) = 0 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... symlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1813] close(5 [pid 1812] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] getdents64(4 [pid 312] unlink("./303/binderfs" [pid 1814] <... openat resumed>) = 3 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... unlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1814] write(3, "1000", 4 [pid 1813] close(6 [pid 1812] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] close(4 [pid 312] umount2("./303/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1814] <... write resumed>) = 4 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... unlinkat resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1814] close(3 [pid 1813] close(7 [pid 1812] close(3 [pid 313] rmdir("./307/config" [pid 312] newfstatat(AT_FDCWD, "./303/cgroup.net" [pid 1814] <... close resumed>) = 0 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1814] symlink("/dev/binderfs", "./binderfs" [pid 1813] close(8 [pid 1812] close(4 [pid 313] umount2("./307/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./303/cgroup.net" [pid 1814] <... symlink resumed>) = 0 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 1814] write(1, "executing program\n", 18 [pid 1813] close(9 executing program [pid 1812] close(5 [pid 313] newfstatat(AT_FDCWD, "./307/binderfs" [pid 312] umount2("./303/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1814] <... write resumed>) = 18 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1814] mkdirat(AT_FDCWD, "./config", 0777 [pid 1813] close(10 [pid 1812] close(6 [pid 313] unlink("./307/binderfs" [pid 312] newfstatat(AT_FDCWD, "./303/cgroup.cpu" [pid 1814] <... mkdirat resumed>) = 0 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1814] mount(NULL, "./config", "configfs", 0, NULL [pid 1813] close(11 [pid 1812] close(7 [pid 313] umount2("./307/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./303/cgroup.cpu" [pid 1814] <... mount resumed>) = 0 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 1814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1813] close(12 [pid 1812] close(8 [pid 313] newfstatat(AT_FDCWD, "./307/cgroup.net" [pid 312] umount2("./303/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1814] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1813] close(13 [pid 1812] close(9 [pid 313] unlink("./307/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./303/cgroup" [pid 1814] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1813] close(14 [pid 1812] close(10 [pid 313] umount2("./307/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./303/cgroup" [pid 1814] <... mkdirat resumed>) = 0 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 1814] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1813] close(15 [pid 1812] close(11 [pid 313] newfstatat(AT_FDCWD, "./307/cgroup.cpu" [pid 312] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] close(3) = 0 [pid 312] rmdir("./303") = 0 [pid 312] mkdir("./304", 0777 [pid 1814] <... symlinkat resumed>) = 0 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1814] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1813] close(16 [pid 1812] close(12 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] unlink("./307/cgroup.cpu" [pid 1814] <... unlinkat resumed>) = 0 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1814] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1813] close(17 [pid 1812] close(13 [pid 313] <... unlink resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1815 attached [pid 1814] <... unlinkat resumed>) = 0 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./307/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1815] set_robust_list(0x55555bb49760, 24 [pid 1814] close(3 [pid 1813] close(18 [pid 1812] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 306 [pid 1815] <... set_robust_list resumed>) = 0 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./307/cgroup" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1815] rt_sigprocmask(SIG_SETMASK, [] [pid 1814] close(4 [pid 1813] close(19 [pid 1812] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1815] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./307/cgroup" [pid 1815] chdir("./304" [pid 1814] close(5 [pid 1813] close(20 [pid 1812] close(16 [pid 1815] <... chdir resumed>) = 0 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1814] close(6 [pid 1813] close(21 [pid 1815] <... prctl resumed>) = 0 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] close(17 [pid 313] getdents64(3 [pid 1815] setpgid(0, 0 [pid 1814] close(7 [pid 1813] close(22 [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1815] <... setpgid resumed>) = 0 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] close(18 [pid 313] close(3 [pid 1815] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1814] close(8 [pid 1813] close(23 [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] <... symlink resumed>) = 0 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] close(19 [pid 313] <... close resumed>) = 0 [pid 1815] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1814] close(9 [pid 1813] close(24 [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./307" [pid 1815] <... symlink resumed>) = 0 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1814] close(10 [pid 1813] close(25 [pid 1812] close(20 [pid 313] <... rmdir resumed>) = 0 [pid 1815] <... symlink resumed>) = 0 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./308", 0777 [pid 1815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1814] close(11 [pid 1813] close(26 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] close(21 [pid 313] <... mkdir resumed>) = 0 [pid 1815] <... openat resumed>) = 3 [pid 1814] close(12 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1815] write(3, "1000", 4 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1813] close(27 [pid 1812] close(22 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1815] <... write resumed>) = 4 [pid 1814] close(13 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1815] close(3 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1813] close(28 [pid 1812] close(23ci2-android-5-15/strace-static-x86_64: Process 1816 attached [pid 1815] <... close resumed>) = 0 [pid 1814] close(14 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1816] set_robust_list(0x55555bb49760, 24 [pid 1815] symlink("/dev/binderfs", "./binderfs" [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1813] close(29 [pid 1812] close(24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 310 [pid 1816] <... set_robust_list resumed>) = 0 [pid 1815] <... symlink resumed>) = 0 [pid 1814] close(15 [pid 1813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1816] rt_sigprocmask(SIG_SETMASK, [] [pid 1815] write(1, "executing program\n", 18 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1813] exit_group(0 [pid 1812] close(25 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1816] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1815] <... write resumed>) = 18 [pid 1814] close(16 [pid 1813] <... exit_group resumed>) = ? [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1816] chdir("./308" [pid 1815] mkdirat(AT_FDCWD, "./config", 0777 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1816] <... chdir resumed>) = 0 [pid 1816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1816] setpgid(0, 0) = 0 [pid 1816] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 1813] +++ exited with 0 +++ [pid 1812] close(26 [pid 1816] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1814] close(17 [pid 1816] <... symlink resumed>) = 0 [pid 1815] <... mkdirat resumed>) = 0 [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1816] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1815] mount(NULL, "./config", "configfs", 0, NULL [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] close(27 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1816] <... symlink resumed>) = 0 [pid 1815] <... mount resumed>) = 0 [pid 1814] close(18 [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./291", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] close(28 [pid 1816] <... openat resumed>) = 3 [pid 1815] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1814] close(19 [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1816] write(3, "1000", 4 [pid 1815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] close(29 [pid 309] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1816] <... write resumed>) = 4 [pid 1815] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1814] close(20 [pid 1816] close(3 [pid 1812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1816] <... close resumed>) = 0 [pid 1815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 1816] symlink("/dev/binderfs", "./binderfs" [pid 1812] exit_group(0 [pid 1816] <... symlink resumed>) = 0 [pid 1815] <... mkdirat resumed>) = 0 [pid 1814] close(21 [pid 309] fstat(3 [pid 1816] write(1, "executing program\n", 18 [pid 1815] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1812] <... exit_group resumed>) = ? [pid 1816] <... write resumed>) = 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1816] mkdirat(AT_FDCWD, "./config", 0777 [pid 1815] <... symlinkat resumed>) = 0 [pid 1814] close(22 [pid 1816] <... mkdirat resumed>) = 0 [pid 1816] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1812] +++ exited with 0 +++ executing program [pid 1816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3 [pid 1816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1815] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1815] <... unlinkat resumed>) = 0 [pid 1814] close(23 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1815] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1816] <... mkdirat resumed>) = 0 [pid 1815] <... unlinkat resumed>) = 0 [pid 1814] close(24 [pid 1816] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1815] close(3 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 [pid 1816] <... symlinkat resumed>) = 0 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1814] close(25 [pid 309] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1816] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1815] close(4 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1816] <... unlinkat resumed>) = 0 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1814] close(26 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1816] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1815] close(5 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./291/config" [pid 1816] <... unlinkat resumed>) = 0 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1814] close(27 [pid 1816] close(3 [pid 1815] close(6 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1814] close(28 [pid 1816] close(4 [pid 1815] close(7 [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./291/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1814] close(29 [pid 1816] close(5 [pid 1815] close(8 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./291/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1816] close(6 [pid 1815] close(9 [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1814] exit_group(0 [pid 309] <... openat resumed>) = 4 [pid 1816] close(7 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1814] <... exit_group resumed>) = ? [pid 309] fstat(4 [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(10 [pid 1816] close(8) = -1 EBADF (Bad file descriptor) [pid 1816] close(9) = -1 EBADF (Bad file descriptor) [pid 1816] close(10) = -1 EBADF (Bad file descriptor) [pid 1816] close(11) = -1 EBADF (Bad file descriptor) [pid 1816] close(12 [pid 1814] +++ exited with 0 +++ [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1816] close(13 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(11 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1816] close(14 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(12 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1816] close(15 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(4 [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(13 [pid 1816] close(16 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(14 [pid 309] rmdir("./291/config" [pid 1816] close(17 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1815] close(15 [pid 309] <... rmdir resumed>) = 0 [pid 1816] close(18 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] umount2("./291/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(16 [pid 1816] close(19 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./295", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(17 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./291/binderfs" [pid 1816] close(20 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(18 [pid 310] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1816] close(21 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(19 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] unlink("./291/binderfs" [pid 1816] close(22 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(20 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... unlink resumed>) = 0 [pid 1816] close(23 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./291/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(21 [pid 310] <... umount2 resumed>) = 0 [pid 1816] close(24 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(22 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./291/cgroup.net" [pid 1816] close(25 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./295/config" [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(23 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1816] close(26 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./291/cgroup.net" [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1816] close(27 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./295/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(25 [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./291/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1816] close(28 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(4 [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(26 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1816] close(29 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./291/cgroup.cpu" [pid 1816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1815] close(27 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1816] exit_group(0 [pid 310] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1816] <... exit_group resumed>) = ? [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] unlink("./291/cgroup.cpu" [pid 1816] +++ exited with 0 +++ [pid 1815] close(28 [pid 310] close(4 [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1815] close(29 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rmdir("./295/config" [pid 309] umount2("./291/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rmdir resumed>) = 0 [pid 310] umount2("./295/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1815] exit_group(0 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1815] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./295/binderfs" [pid 309] newfstatat(AT_FDCWD, "./291/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./295/binderfs") = 0 [pid 310] umount2("./295/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1815] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] newfstatat(AT_FDCWD, "./295/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] umount2("./299", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./291/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./295/cgroup.net" [pid 311] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] umount2("./295/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 311] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./295/cgroup.cpu" [pid 309] close(3 [pid 311] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] unlink("./295/cgroup.cpu" [pid 309] <... close resumed>) = 0 [pid 311] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./291" [pid 311] <... umount2 resumed>) = 0 [pid 310] umount2("./295/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./295/cgroup" [pid 309] mkdir("./292", 0777 [pid 311] newfstatat(AT_FDCWD, "./299/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./295/cgroup" [pid 309] <... mkdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] openat(AT_FDCWD, "./299/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(3) = 0 [pid 310] rmdir("./295") = 0 [pid 310] mkdir("./296", 0777ci2-android-5-15/strace-static-x86_64: Process 1817 attached [pid 311] <... openat resumed>) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 1817] set_robust_list(0x55555bb49760, 24 [pid 311] fstat(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 294 [pid 1817] <... set_robust_list resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1817] rt_sigprocmask(SIG_SETMASK, [] [pid 311] getdents64(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1818 attached [pid 1817] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1818] set_robust_list(0x55555bb49760, 24 [pid 1817] chdir("./292" [pid 311] getdents64(4 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 298 [pid 1818] <... set_robust_list resumed>) = 0 [pid 1817] <... chdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1818] rt_sigprocmask(SIG_SETMASK, [] [pid 1817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] umount2("./308", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1817] <... prctl resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 1818] chdir("./296" [pid 1817] setpgid(0, 0 [pid 313] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rmdir("./299/config" [pid 1818] <... chdir resumed>) = 0 [pid 1817] <... setpgid resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 1818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1817] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 313] fstat(3 [pid 311] <... rmdir resumed>) = 0 [pid 1818] <... prctl resumed>) = 0 [pid 1817] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1818] setpgid(0, 0 [pid 1817] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 311] umount2("./299/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1818] <... setpgid resumed>) = 0 [pid 1817] <... symlink resumed>) = 0 [pid 313] getdents64(3 [pid 1817] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1818] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1817] <... symlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1818] <... symlink resumed>) = 0 [pid 1817] <... openat resumed>) = 3 [pid 313] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./299/binderfs" [pid 1818] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1817] write(3, "1000", 4) = 4 [pid 313] <... umount2 resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1818] <... symlink resumed>) = 0 [pid 1817] close(3 [pid 313] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./299/binderfs" [pid 1818] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1817] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1817] symlink("/dev/binderfs", "./binderfs" [pid 1818] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./308/config" [pid 311] <... unlink resumed>) = 0 [pid 1818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1817] <... symlink resumed>) = 0 [pid 1818] <... openat resumed>) = 3 [pid 1817] write(1, "executing program\n", 18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./299/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1818] write(3, "1000", 4 [pid 1817] <... write resumed>) = 18 executing program [pid 313] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1818] <... write resumed>) = 4 [pid 1817] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1818] close(3 [pid 1817] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./299/cgroup.net" [pid 1818] <... close resumed>) = 0 [pid 1817] mount(NULL, "./config", "configfs", 0, NULL [pid 313] openat(AT_FDCWD, "./308/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1818] symlink("/dev/binderfs", "./binderfs" [pid 1817] <... mount resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1818] <... symlink resumed>) = 0 [pid 1817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... openat resumed>) = 4 [pid 311] unlink("./299/cgroup.net" [pid 1818] write(1, "executing program\n", 18 [pid 1817] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 313] fstat(4 [pid 312] <... restart_syscall resumed>) = 0 [pid 1818] <... write resumed>) = 18 [pid 1817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1818] mkdirat(AT_FDCWD, "./config", 0777 [pid 1817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] getdents64(4 [pid 311] umount2("./299/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1818] <... mkdirat resumed>) = 0 [pid 1817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] umount2("./304", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1818] mount(NULL, "./config", "configfs", 0, NULL [pid 1817] <... mkdirat resumed>) = 0 [pid 313] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1818] <... mount resumed>) = 0 [pid 1817] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./299/cgroup.cpu" [pid 1818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1817] <... symlinkat resumed>) = 0 [pid 313] close(4 [pid 312] <... openat resumed>) = 3 [pid 1818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1817] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] fstat(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1817] <... unlinkat resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] unlink("./299/cgroup.cpu" [pid 1818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1817] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] rmdir("./308/config" [pid 312] getdents64(3 [pid 1818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1817] <... unlinkat resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... unlink resumed>) = 0 [pid 1817] close(3 [pid 312] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1818] <... mkdirat resumed>) = 0 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./308/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./299/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1818] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1817] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = 0 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1818] <... symlinkat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./308/binderfs" [pid 1818] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1817] close(5 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./299/cgroup" [pid 1818] <... unlinkat resumed>) = 0 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./304/config" [pid 1818] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1817] close(6 [pid 313] unlink("./308/binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1817] close(7 [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./299/cgroup" [pid 1818] <... unlinkat resumed>) = 0 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./308/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] openat(AT_FDCWD, "./304/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1818] close(3 [pid 1817] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... openat resumed>) = 4 [pid 311] <... unlink resumed>) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./308/cgroup.net" [pid 312] fstat(4 [pid 311] getdents64(3 [pid 1818] close(4 [pid 1817] close(9 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./308/cgroup.net" [pid 312] getdents64(4 [pid 311] close(3 [pid 1818] close(5 [pid 1817] close(10 [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... close resumed>) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./308/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 311] rmdir("./299" [pid 1818] close(6 [pid 1817] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./308/cgroup.cpu" [pid 312] close(4 [pid 311] <... rmdir resumed>) = 0 [pid 1818] close(7 [pid 1817] close(12 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 311] mkdir("./300", 0777 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./308/cgroup.cpu" [pid 312] rmdir("./304/config" [pid 1818] close(8 [pid 1817] close(13 [pid 313] <... unlink resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./308/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./304/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1818] close(9 [pid 1817] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./308/cgroup" [pid 312] newfstatat(AT_FDCWD, "./304/binderfs" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1818] close(10 [pid 1817] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./304/binderfs" [pid 1817] close(16 [pid 312] <... unlink resumed>) = 0 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./304/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1819 attached [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] close(17 [pid 313] unlink("./308/cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1819] set_robust_list(0x55555bb49760, 24 [pid 1818] close(11 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./304/cgroup.net" [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 302 [pid 1819] <... set_robust_list resumed>) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] close(18 [pid 313] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1819] rt_sigprocmask(SIG_SETMASK, [] [pid 1818] close(12 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] unlink("./304/cgroup.net" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] close(19 [pid 313] close(3 [pid 312] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1819] chdir("./300" [pid 1818] close(13 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] umount2("./304/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1819] <... chdir resumed>) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] close(20 [pid 313] rmdir("./308" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1819] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1818] close(14 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./304/cgroup.cpu" [pid 313] <... rmdir resumed>) = 0 [pid 1819] <... prctl resumed>) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] close(21 [pid 313] mkdir("./309", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1819] setpgid(0, 0 [pid 1818] close(15 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./304/cgroup.cpu" [pid 1819] <... setpgid resumed>) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] close(22 [pid 313] <... mkdir resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1819] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1818] close(16 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] umount2("./304/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1819] <... symlink resumed>) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] close(23 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1819] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1818] close(17 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] newfstatat(AT_FDCWD, "./304/cgroup" [pid 1819] <... symlink resumed>) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] close(24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1819] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./304/cgroup" [pid 1819] <... symlink resumed>) = 0 [pid 1817] close(25 [pid 312] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1820 attached [pid 1819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1818] close(18 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1820] set_robust_list(0x55555bb49760, 24 [pid 1819] <... openat resumed>) = 3 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] close(26 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 311 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1820] <... set_robust_list resumed>) = 0 [pid 1819] write(3, "1000", 4 [pid 1818] close(19 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] close(3 [pid 1820] rt_sigprocmask(SIG_SETMASK, [] [pid 1819] <... write resumed>) = 4 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] close(27 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... close resumed>) = 0 [pid 1820] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1819] close(3 [pid 1818] close(20 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./304" [pid 1820] chdir("./309" [pid 1819] <... close resumed>) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] close(28 [pid 312] <... rmdir resumed>) = 0 [pid 1820] <... chdir resumed>) = 0 [pid 1819] symlink("/dev/binderfs", "./binderfs" [pid 1818] close(21 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./305", 0777 [pid 1820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1819] <... symlink resumed>) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] close(29 [pid 312] <... mkdir resumed>) = 0 [pid 1820] <... prctl resumed>) = 0 [pid 1819] write(1, "executing program\n", 18 [pid 1818] close(22 [pid 1817] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1820] setpgid(0, 0 [pid 1819] <... write resumed>) = 18 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] exit_group(0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1820] <... setpgid resumed>) = 0 [pid 1819] mkdirat(AT_FDCWD, "./config", 0777 [pid 1818] close(23 [pid 1817] <... exit_group resumed>) = ? [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1821 attached [pid 1820] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1819] <... mkdirat resumed>) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1817] +++ exited with 0 +++ [pid 1821] set_robust_list(0x55555bb49760, 24 [pid 1820] <... symlink resumed>) = 0 [pid 1819] mount(NULL, "./config", "configfs", 0, NULL [pid 1818] close(24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 307 [pid 1821] <... set_robust_list resumed>) = 0 [pid 1820] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1819] <... mount resumed>) = 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1821] rt_sigprocmask(SIG_SETMASK, [] [pid 1820] <... symlink resumed>) = 0 [pid 1819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1818] close(25 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1820] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1819] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] chdir("./305" [pid 1820] <... symlink resumed>) = 0 [pid 1819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1818] close(26 [pid 1821] <... chdir resumed>) = 0 [pid 1820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1819] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1821] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1820] <... openat resumed>) = 3 [pid 1819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] <... prctl resumed>) = 0 [pid 1820] write(3, "1000", 4) = 4 [pid 1820] close(3 [pid 1821] setpgid(0, 0 [pid 1819] <... mkdirat resumed>) = 0 [pid 1818] close(27 [pid 1821] <... setpgid resumed>) = 0 [pid 1820] <... close resumed>) = 0 [pid 1821] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1820] symlink("/dev/binderfs", "./binderfs" [pid 1819] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] <... symlink resumed>) = 0 [pid 1820] <... symlink resumed>) = 0 [pid 1819] <... symlinkat resumed>) = 0 [pid 1818] close(28 [pid 1821] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1820] write(1, "executing program\n", 18 [pid 1819] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] <... symlink resumed>) = 0 [pid 1820] <... write resumed>) = 18 executing program [pid 1821] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1820] mkdirat(AT_FDCWD, "./config", 0777 [pid 1819] <... unlinkat resumed>) = 0 [pid 1818] close(29 [pid 1821] <... symlink resumed>) = 0 [pid 1820] <... mkdirat resumed>) = 0 [pid 1819] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1818] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1820] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1819] <... unlinkat resumed>) = 0 [pid 1818] exit_group(0 [pid 1820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1821] <... openat resumed>) = 3 [pid 1820] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1819] close(3 [pid 1818] <... exit_group resumed>) = ? [pid 1821] write(3, "1000", 4 [pid 1820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1820] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1821] <... write resumed>) = 4 [pid 1820] <... symlinkat resumed>) = 0 [pid 1818] +++ exited with 0 +++ [pid 1819] close(4 [pid 1821] close(3 [pid 1820] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1821] <... close resumed>) = 0 [pid 1820] <... unlinkat resumed>) = 0 [pid 1819] close(5 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1821] symlink("/dev/binderfs", "./binderfs" [pid 1820] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] <... symlink resumed>) = 0 [pid 1820] <... unlinkat resumed>) = 0 [pid 1819] close(6 [pid 1821] write(1, "executing program\n", 18 [pid 1820] close(3 [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1821] <... write resumed>) = 18 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] close(7 [pid 1821] mkdirat(AT_FDCWD, "./config", 0777 [pid 1820] close(4) = -1 EBADF (Bad file descriptor) [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] <... mkdirat resumed>) = 0 [pid 1820] close(5 [pid 1819] close(8 [pid 1821] mount(NULL, "./config", "configfs", 0, NULL [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(6 [pid 1821] <... mount resumed>) = 0 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] close(9 [pid 1821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1820] close(7 [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1820] close(8 [pid 1819] close(10 [pid 1821] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1820] close(9 [pid 1819] close(11 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(10) = -1 EBADF (Bad file descriptor) [pid 1821] <... mkdirat resumed>) = 0 [pid 1820] close(11 [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] close(12 [pid 1821] <... symlinkat resumed>) = 0 [pid 1820] close(12 [pid 1821] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] <... unlinkat resumed>) = 0 [pid 1820] close(13 [pid 1821] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] close(13 [pid 1820] close(14) = -1 EBADF (Bad file descriptor) [pid 1821] <... unlinkat resumed>) = 0 [pid 1820] close(15 [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] close(3 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] close(14 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(16 [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] close(4 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] close(15 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(17 [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] close(5 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] close(16 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(18 [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] close(6 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] close(17 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(19 [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] close(7 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] close(18 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(20 [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] close(8 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] close(19 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(21 [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] close(9 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(22 [pid 1819] close(20 [pid 309] <... restart_syscall resumed>) = 0 [pid 1821] close(10 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(23 [pid 1819] close(21 [pid 1821] close(11 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(24 [pid 1819] close(22 [pid 309] umount2("./292", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1821] close(12 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(25 [pid 1819] close(23 [pid 310] umount2("./296", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1821] close(13 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(26 [pid 1819] close(24 [pid 310] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1821] close(14 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(27 [pid 1819] close(25 [pid 310] fstat(3 [pid 309] fstat(3 [pid 1821] close(15 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(28 [pid 1819] close(26 [pid 310] getdents64(3 [pid 1821] close(16 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] getdents64(3 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] close(29 [pid 1819] close(27 [pid 310] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1821] close(17 [pid 1820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] exit_group(0 [pid 1819] close(28 [pid 310] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1821] close(18 [pid 1820] <... exit_group resumed>) = ? [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1820] +++ exited with 0 +++ [pid 1819] close(29 [pid 310] newfstatat(AT_FDCWD, "./296/config" [pid 309] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1821] close(19 [pid 1819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1819] exit_group(0 [pid 310] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1821] close(20 [pid 1819] <... exit_group resumed>) = ? [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./292/config" [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./296/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4 [pid 1819] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] getdents64(4 [pid 1821] close(21 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] umount2("./292/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1821] close(22 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1821] close(23 [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./292/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./296/config" [pid 1821] close(24 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./296/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 1821] close(25 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./296/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1821] close(26 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 310] unlink("./296/binderfs" [pid 309] getdents64(4 [pid 1821] close(27 [pid 310] <... unlink resumed>) = 0 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./296/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1821] close(28 [pid 313] umount2("./309", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./296/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1821] close(29 [pid 313] openat(AT_FDCWD, "./309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 1821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 310] unlink("./296/cgroup.net" [pid 1821] exit_group(0 [pid 313] fstat(3 [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1821] <... exit_group resumed>) = ? [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./296/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./292/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./296/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1821] +++ exited with 0 +++ [pid 310] unlink("./296/cgroup.cpu" [pid 313] getdents64(3 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./296/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./292/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./296/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./292/binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./296/cgroup" [pid 313] newfstatat(AT_FDCWD, "./309/config" [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 309] unlink("./292/binderfs" [pid 313] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 309] <... unlink resumed>) = 0 [pid 313] openat(AT_FDCWD, "./309/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 309] umount2("./292/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... openat resumed>) = 4 [pid 310] rmdir("./296" [pid 313] fstat(4 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] mkdir("./297", 0777 [pid 309] newfstatat(AT_FDCWD, "./292/cgroup.net" [pid 313] getdents64(4 [pid 310] <... mkdir resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] unlink("./292/cgroup.net" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1822 attached [pid 313] close(4 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1822] set_robust_list(0x55555bb49760, 24 [pid 313] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 299 [pid 309] umount2("./292/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1822] <... set_robust_list resumed>) = 0 [pid 313] rmdir("./309/config" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1822] rt_sigprocmask(SIG_SETMASK, [] [pid 312] umount2("./305", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1822] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./292/cgroup.cpu" [pid 1822] chdir("./297" [pid 313] umount2("./309/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1822] <... chdir resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1822] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] newfstatat(AT_FDCWD, "./309/binderfs" [pid 312] fstat(3 [pid 309] unlink("./292/cgroup.cpu" [pid 1822] <... prctl resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1822] setpgid(0, 0 [pid 313] unlink("./309/binderfs" [pid 312] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 1822] <... setpgid resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./292/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1822] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] umount2("./309/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1822] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1822] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] newfstatat(AT_FDCWD, "./309/cgroup.net" [pid 312] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./292/cgroup" [pid 1822] <... symlink resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1822] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] unlink("./309/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./305/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1822] <... symlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./300", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./292/cgroup" [pid 1822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./309/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1822] <... openat resumed>) = 3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1822] write(3, "1000", 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./305/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 1822] <... write resumed>) = 4 [pid 313] newfstatat(AT_FDCWD, "./309/cgroup.cpu" [pid 312] <... openat resumed>) = 4 [pid 1822] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] fstat(4 [pid 311] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1822] <... close resumed>) = 0 [pid 313] unlink("./309/cgroup.cpu" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] fstat(3 [pid 309] close(3 [pid 1822] symlink("/dev/binderfs", "./binderfs" [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1822] <... symlink resumed>) = 0 [pid 313] umount2("./309/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... close resumed>) = 0 [pid 1822] write(1, "executing program\n", 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(4 [pid 311] getdents64(3 [pid 309] rmdir("./292" [pid 1822] <... write resumed>) = 18 [pid 313] newfstatat(AT_FDCWD, "./309/cgroup" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1822] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] close(4 [pid 311] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1822] <... mkdirat resumed>) = 0 [pid 313] unlink("./309/cgroup" [pid 312] <... close resumed>) = 0 [pid 1822] mount(NULL, "./config", "configfs", 0, NULL [pid 312] rmdir("./305/config" [pid 311] <... umount2 resumed>) = 0 [pid 309] mkdir("./293", 0777 [pid 313] <... unlink resumed>) = 0 executing program [pid 1822] <... mount resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 313] getdents64(3 [pid 311] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 1822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] umount2("./305/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1822] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./300/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./305/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... close resumed>) = 0 [pid 312] unlink("./305/binderfs" [pid 1822] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rmdir("./309" [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 312] umount2("./305/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./305/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1823 attached [pid 312] unlink("./305/cgroup.net" [pid 1823] set_robust_list(0x55555bb49760, 24 [pid 1822] <... mkdirat resumed>) = 0 [pid 313] mkdir("./310", 0777 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1823] <... set_robust_list resumed>) = 0 [pid 1822] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... mkdir resumed>) = 0 [pid 312] umount2("./305/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 295 [pid 311] openat(AT_FDCWD, "./300/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1823] rt_sigprocmask(SIG_SETMASK, [] [pid 1822] <... symlinkat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1823] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1822] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./305/cgroup.cpu" [pid 311] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1823] chdir("./293" [pid 1822] <... unlinkat resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(4 [pid 1823] <... chdir resumed>) = 0 [pid 1822] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] unlink("./305/cgroup.cpu" [pid 1823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1824 attached [pid 1823] <... prctl resumed>) = 0 [pid 312] umount2("./305/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1824] set_robust_list(0x55555bb49760, 24 [pid 1823] setpgid(0, 0 [pid 1822] <... unlinkat resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 312 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 1824] <... set_robust_list resumed>) = 0 [pid 1823] <... setpgid resumed>) = 0 [pid 1822] close(3 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] newfstatat(AT_FDCWD, "./305/cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1824] rt_sigprocmask(SIG_SETMASK, [] [pid 1823] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 1824] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1823] <... symlink resumed>) = 0 [pid 1822] close(4 [pid 312] unlink("./305/cgroup" [pid 1824] chdir("./310" [pid 1823] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1824] <... chdir resumed>) = 0 [pid 1823] <... symlink resumed>) = 0 [pid 1822] close(5 [pid 312] getdents64(3 [pid 311] close(4 [pid 1824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1823] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1824] <... prctl resumed>) = 0 [pid 1823] <... symlink resumed>) = 0 [pid 1822] close(6 [pid 312] close(3 [pid 311] <... close resumed>) = 0 [pid 1824] setpgid(0, 0 [pid 1823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] rmdir("./300/config" [pid 1824] <... setpgid resumed>) = 0 [pid 1823] <... openat resumed>) = 3 [pid 1822] close(7 [pid 312] rmdir("./305" [pid 1824] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1823] write(3, "1000", 4 [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1824] <... symlink resumed>) = 0 [pid 1823] <... write resumed>) = 4 [pid 1822] close(8 [pid 312] mkdir("./306", 0777 [pid 311] umount2("./300/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1824] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1823] close(3 [pid 312] <... mkdir resumed>) = 0 [pid 1824] <... symlink resumed>) = 0 [pid 1823] <... close resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1824] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1823] symlink("/dev/binderfs", "./binderfs" [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1824] <... symlink resumed>) = 0 [pid 1823] <... symlink resumed>) = 0 [pid 1822] close(9 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] newfstatat(AT_FDCWD, "./300/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1825 attached [pid 1824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1823] write(1, "executing program\n", 18 [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1825] set_robust_list(0x55555bb49760, 24 [pid 1824] <... openat resumed>) = 3 [pid 1823] <... write resumed>) = 18 [pid 1822] close(10 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 308 [pid 311] unlink("./300/binderfs" [pid 1825] <... set_robust_list resumed>) = 0 [pid 1824] write(3, "1000", 4 [pid 1823] mkdirat(AT_FDCWD, "./config", 0777 [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1825] rt_sigprocmask(SIG_SETMASK, [] [pid 1824] <... write resumed>) = 4 [pid 1823] <... mkdirat resumed>) = 0 [pid 1822] close(11 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1825] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1824] close(3 [pid 1823] mount(NULL, "./config", "configfs", 0, NULL [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./300/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1825] chdir("./306" [pid 1824] <... close resumed>) = 0 [pid 1823] <... mount resumed>) = 0 [pid 1822] close(12 [pid 1825] <... chdir resumed>) = 0 [pid 1824] symlink("/dev/binderfs", "./binderfs" [pid 1823] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1824] <... symlink resumed>) = 0 [pid 1823] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1822] close(13 [pid 311] newfstatat(AT_FDCWD, "./300/cgroup.net" [pid 1825] <... prctl resumed>) = 0 [pid 1824] write(1, "executing program\n", 18 executing program [pid 1823] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1825] setpgid(0, 0 [pid 1824] <... write resumed>) = 18 [pid 1823] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1822] close(14 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1825] <... setpgid resumed>) = 0 [pid 1824] mkdirat(AT_FDCWD, "./config", 0777 [pid 1823] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./300/cgroup.net" [pid 1825] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1824] <... mkdirat resumed>) = 0 [pid 1824] mount(NULL, "./config", "configfs", 0, NULL [pid 1825] <... symlink resumed>) = 0 [pid 1824] <... mount resumed>) = 0 [pid 1823] <... mkdirat resumed>) = 0 [pid 1822] close(15 [pid 311] <... unlink resumed>) = 0 [pid 1825] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1823] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./300/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1825] <... symlink resumed>) = 0 [pid 1824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1823] <... symlinkat resumed>) = 0 [pid 1822] close(16 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1825] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1823] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./300/cgroup.cpu" [pid 1825] <... symlink resumed>) = 0 [pid 1824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1823] <... unlinkat resumed>) = 0 [pid 1825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1823] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1822] close(17 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1825] <... openat resumed>) = 3 [pid 1824] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./300/cgroup.cpu" [pid 1825] write(3, "1000", 4 [pid 1824] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1823] <... unlinkat resumed>) = 0 [pid 1822] close(18 [pid 1825] <... write resumed>) = 4 [pid 1824] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1823] close(3 [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1825] close(3 [pid 1824] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1822] close(19 [pid 311] umount2("./300/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1825] <... close resumed>) = 0 [pid 1824] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1823] close(4 [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1825] symlink("/dev/binderfs", "./binderfs" [pid 1824] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1822] close(20 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1825] <... symlink resumed>) = 0 [pid 1824] close(3 [pid 1823] close(5 [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./300/cgroup" [pid 1825] write(1, "executing program\n", 18 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1822] close(21 [pid 1825] <... write resumed>) = 18 [pid 1824] close(4 [pid 1823] close(6 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1825] mkdirat(AT_FDCWD, "./config", 0777 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./300/cgroup" [pid 1825] <... mkdirat resumed>) = 0 [pid 1824] close(5 [pid 1823] close(7 [pid 1822] close(22 [pid 1825] mount(NULL, "./config", "configfs", 0, NULL [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1825] <... mount resumed>) = 0 [pid 1824] close(6 [pid 1823] close(8 [pid 1822] close(23 [pid 311] getdents64(3 [pid 1825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1825] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1824] close(7 [pid 1823] close(9 [pid 1822] close(24 [pid 311] close(3 [pid 1825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1825] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1824] close(8 [pid 1823] close(10 executing program [pid 1822] close(25 [pid 311] <... close resumed>) = 0 [pid 1825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./300" [pid 1824] close(9) = -1 EBADF (Bad file descriptor) [pid 1825] <... mkdirat resumed>) = 0 [pid 1824] close(10 [pid 1823] close(11 [pid 1822] close(26 [pid 1825] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 1825] <... symlinkat resumed>) = 0 [pid 1824] close(11 [pid 1823] close(12 [pid 1822] close(27 [pid 311] mkdir("./301", 0777 [pid 1825] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1825] <... unlinkat resumed>) = 0 [pid 1824] close(12 [pid 1823] close(13 [pid 1822] close(28 [pid 311] <... mkdir resumed>) = 0 [pid 1825] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1824] close(13 [pid 1825] <... unlinkat resumed>) = 0 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] close(14 [pid 1825] close(3 [pid 1824] close(14 [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1822] close(29 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] close(15 [pid 1822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1825] close(4 [pid 1824] close(15 [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1822] exit_group(0 [pid 1824] close(16) = -1 EBADF (Bad file descriptor) [pid 1824] close(17) = -1 EBADF (Bad file descriptor) [pid 1824] close(18) = -1 EBADF (Bad file descriptor) [pid 1824] close(19) = -1 EBADF (Bad file descriptor) [pid 1824] close(20ci2-android-5-15/strace-static-x86_64: Process 1826 attached [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] close(16 [pid 1822] <... exit_group resumed>) = ? [pid 1826] set_robust_list(0x55555bb49760, 24 [pid 1825] close(5 [pid 1824] close(21 [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1826] <... set_robust_list resumed>) = 0 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1826] rt_sigprocmask(SIG_SETMASK, [] [pid 1824] close(22 [pid 1826] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1826] chdir("./301" [pid 1824] close(23 [pid 1822] +++ exited with 0 +++ [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1826] <... chdir resumed>) = 0 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1825] close(6 [pid 1823] close(17 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 303 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1824] close(24 [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1826] <... prctl resumed>) = 0 [pid 1825] close(7 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] close(18 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1826] setpgid(0, 0 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1824] close(25 [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1826] <... setpgid resumed>) = 0 [pid 1825] close(8 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] close(19 [pid 1826] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1824] close(26 [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1826] <... symlink resumed>) = 0 [pid 1825] close(9 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] close(20 [pid 1826] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1824] close(27 [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1826] <... symlink resumed>) = 0 [pid 1825] close(10 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] close(21 [pid 1826] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1824] close(28 [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1826] <... symlink resumed>) = 0 [pid 1825] close(11 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] close(22 [pid 1826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1824] close(29 [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1826] <... openat resumed>) = 3 [pid 1825] close(12 [pid 1824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] close(23 [pid 1826] write(3, "1000", 4 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1824] exit_group(0 [pid 1826] <... write resumed>) = 4 [pid 1825] close(13 [pid 1824] <... exit_group resumed>) = ? [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1826] close(3 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1824] +++ exited with 0 +++ [pid 1823] close(24 [pid 1826] <... close resumed>) = 0 [pid 1825] close(14 [pid 1826] symlink("/dev/binderfs", "./binderfs" [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1826] <... symlink resumed>) = 0 executing program [pid 1825] close(15 [pid 1823] close(25 [pid 1826] write(1, "executing program\n", 18 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1826] <... write resumed>) = 18 [pid 1825] close(16 [pid 1823] close(26 [pid 313] <... restart_syscall resumed>) = 0 [pid 1826] mkdirat(AT_FDCWD, "./config", 0777 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1826] <... mkdirat resumed>) = 0 [pid 1825] close(17 [pid 1823] close(27 [pid 1826] mount(NULL, "./config", "configfs", 0, NULL [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1826] <... mount resumed>) = 0 [pid 1825] close(18 [pid 1823] close(28 [pid 1826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./310", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1826] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1825] close(19 [pid 1823] close(29 [pid 1826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1826] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1825] close(20 [pid 1826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1823] exit_group(0 [pid 313] openat(AT_FDCWD, "./310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1826] <... mkdirat resumed>) = 0 [pid 1825] close(21 [pid 1823] <... exit_group resumed>) = ? [pid 1826] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 1826] <... symlinkat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1826] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1825] close(22 [pid 1823] +++ exited with 0 +++ [pid 313] fstat(3 [pid 1826] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./297", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1826] <... unlinkat resumed>) = 0 [pid 1825] close(23 [pid 313] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1826] close(3 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1825] close(24 [pid 313] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 1826] close(4 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1825] close(25 [pid 313] <... umount2 resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1826] close(5 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1825] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1826] close(6 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./310/config" [pid 310] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1825] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1826] close(7 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1825] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1826] close(8 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./310/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./297/config" [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1825] close(29 [pid 313] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1826] close(9 [pid 1825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 310] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1825] exit_group(0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1826] close(10 [pid 1825] <... exit_group resumed>) = ? [pid 313] getdents64(4 [pid 310] openat(AT_FDCWD, "./297/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] getdents64(4 [pid 1825] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1826] close(11 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(4 [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1826] close(12 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 310] <... close resumed>) = 0 [pid 1826] close(13 [pid 313] <... close resumed>) = 0 [pid 310] rmdir("./297/config" [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./310/config" [pid 310] <... rmdir resumed>) = 0 [pid 1826] close(14 [pid 310] umount2("./297/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1826] close(15 [pid 313] umount2("./310/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./297/binderfs" [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1826] close(16 [pid 313] newfstatat(AT_FDCWD, "./310/binderfs" [pid 310] unlink("./297/binderfs" [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1826] close(17 [pid 313] unlink("./310/binderfs" [pid 310] umount2("./297/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1826] close(18 [pid 313] umount2("./310/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./297/cgroup.net" [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1826] close(19 [pid 313] newfstatat(AT_FDCWD, "./310/cgroup.net" [pid 310] unlink("./297/cgroup.net" [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1826] close(20 [pid 313] unlink("./310/cgroup.net" [pid 310] umount2("./297/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 1826] close(21 [pid 313] umount2("./310/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./297/cgroup.cpu" [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1826] close(22 [pid 313] newfstatat(AT_FDCWD, "./310/cgroup.cpu" [pid 310] unlink("./297/cgroup.cpu" [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1826] close(23 [pid 313] unlink("./310/cgroup.cpu" [pid 310] umount2("./297/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./293", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1826] close(24 [pid 313] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./297/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./310/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1826] close(25 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./297/cgroup" [pid 309] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./310/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 1826] close(26 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./310/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 1826] close(27 [pid 313] <... unlink resumed>) = 0 [pid 310] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 1826] close(28 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./297" [pid 309] getdents64(3 [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./298", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1826] close(29 [pid 313] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1826] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./310" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1826] exit_group(0 [pid 313] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1826] <... exit_group resumed>) = ? [pid 313] mkdir("./311", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1827 attached [pid 1826] +++ exited with 0 +++ [pid 1827] set_robust_list(0x55555bb49760, 24 [pid 313] <... mkdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 300 [pid 1827] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1827] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./293/config" [pid 1827] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1827] chdir("./298" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1827] <... chdir resumed>) = 0 [pid 1827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ci2-android-5-15/strace-static-x86_64: Process 1828 attached [pid 1827] setpgid(0, 0 [pid 309] umount2("./293/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1828] set_robust_list(0x55555bb49760, 24 [pid 1827] <... setpgid resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 313 [pid 1828] <... set_robust_list resumed>) = 0 [pid 1827] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1828] rt_sigprocmask(SIG_SETMASK, [] [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1828] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1827] <... symlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./293/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1828] chdir("./311" [pid 1827] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1828] <... chdir resumed>) = 0 [pid 1827] <... symlink resumed>) = 0 [pid 1828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1827] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 309] fstat(4 [pid 1828] <... prctl resumed>) = 0 [pid 1827] <... symlink resumed>) = 0 [pid 312] umount2("./306", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1828] setpgid(0, 0 [pid 1827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1828] <... setpgid resumed>) = 0 [pid 312] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1828] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1827] <... openat resumed>) = 3 [pid 312] <... openat resumed>) = 3 [pid 311] umount2("./301", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1828] <... symlink resumed>) = 0 [pid 1827] write(3, "1000", 4 [pid 312] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1828] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1827] <... write resumed>) = 4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 1828] <... symlink resumed>) = 0 [pid 1827] close(3 [pid 312] getdents64(3 [pid 311] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1828] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1827] <... close resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] fstat(3 [pid 309] close(4 [pid 1828] <... symlink resumed>) = 0 [pid 1827] symlink("/dev/binderfs", "./binderfs" [pid 312] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1827] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 311] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 1828] <... openat resumed>) = 3 [pid 1827] write(1, "executing program\n", 18 executing program [pid 312] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] rmdir("./293/config" [pid 1828] write(3, "1000", 4 [pid 1827] <... write resumed>) = 18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1828] <... write resumed>) = 4 [pid 1827] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] newfstatat(AT_FDCWD, "./306/config" [pid 309] <... rmdir resumed>) = 0 [pid 1828] close(3 [pid 1827] <... mkdirat resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 1828] <... close resumed>) = 0 [pid 312] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./293/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./306/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1828] symlink("/dev/binderfs", "./binderfs" [pid 312] <... openat resumed>) = 4 [pid 311] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1827] mount(NULL, "./config", "configfs", 0, NULL [pid 312] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1828] <... symlink resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1827] <... mount resumed>) = 0 [pid 1828] write(1, "executing program\n", 18 [pid 312] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./301/config" [pid 309] newfstatat(AT_FDCWD, "./293/binderfs" [pid 1827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1828] <... write resumed>) = 18 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 executing program [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1828] mkdirat(AT_FDCWD, "./config", 0777 [pid 1827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] getdents64(4 [pid 311] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./293/binderfs" [pid 1828] <... mkdirat resumed>) = 0 [pid 1827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1828] mount(NULL, "./config", "configfs", 0, NULL [pid 1827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] close(4 [pid 311] openat(AT_FDCWD, "./301/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1828] <... mount resumed>) = 0 [pid 1827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... close resumed>) = 0 [pid 1828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] rmdir("./306/config" [pid 311] <... openat resumed>) = 4 [pid 309] umount2("./293/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1828] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1827] <... mkdirat resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 311] fstat(4 [pid 1828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1827] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] umount2("./306/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1828] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1827] <... symlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./293/cgroup.net" [pid 1828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1827] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] newfstatat(AT_FDCWD, "./306/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1828] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1827] <... unlinkat resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1828] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1827] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] unlink("./306/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] unlink("./293/cgroup.net" [pid 1828] <... symlinkat resumed>) = 0 [pid 1827] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 312] <... unlink resumed>) = 0 [pid 311] close(4 [pid 1828] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1827] close(3 [pid 312] umount2("./306/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1828] <... unlinkat resumed>) = 0 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 309] umount2("./293/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1828] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1827] close(4 [pid 312] newfstatat(AT_FDCWD, "./306/cgroup.net" [pid 311] rmdir("./301/config" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1828] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./306/cgroup.net" [pid 311] <... rmdir resumed>) = 0 [pid 1828] close(3 [pid 1827] close(5 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./301/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./293/cgroup.cpu" [pid 1828] close(4 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./306/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(6 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./301/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1828] close(5 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./306/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./293/cgroup.cpu" [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(7 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./301/binderfs" [pid 1828] close(6 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./306/cgroup.cpu" [pid 309] <... unlink resumed>) = 0 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(8 [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./293/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1828] close(7 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./306/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./301/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(9 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1828] close(8 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./306/cgroup" [pid 311] newfstatat(AT_FDCWD, "./301/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./293/cgroup" [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(10 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1828] close(9 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./306/cgroup" [pid 311] unlink("./301/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(11 [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1828] close(10 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] umount2("./301/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./293/cgroup" [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(12 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1828] close(11 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] newfstatat(AT_FDCWD, "./301/cgroup.cpu" [pid 309] <... unlink resumed>) = 0 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(13 [pid 312] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1828] close(12 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./306" [pid 311] unlink("./301/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(14 [pid 312] <... rmdir resumed>) = 0 [pid 1828] close(13 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./307", 0777 [pid 311] <... unlink resumed>) = 0 [pid 309] close(3 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(15 [pid 312] <... mkdir resumed>) = 0 [pid 311] umount2("./301/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1828] close(14 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... close resumed>) = 0 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(16 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1828] close(15 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] newfstatat(AT_FDCWD, "./301/cgroup" [pid 309] rmdir("./293"ci2-android-5-15/strace-static-x86_64: Process 1829 attached [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(17 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1829] set_robust_list(0x55555bb49760, 24 [pid 1828] close(16 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 309 [pid 311] unlink("./301/cgroup" [pid 309] <... rmdir resumed>) = 0 [pid 1829] <... set_robust_list resumed>) = 0 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(18 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1829] rt_sigprocmask(SIG_SETMASK, [] [pid 1828] close(17 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] mkdir("./294", 0777 [pid 1829] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(19 [pid 311] getdents64(3 [pid 1829] chdir("./307" [pid 1828] close(18 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1829] <... chdir resumed>) = 0 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(20 [pid 311] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1828] close(19 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1829] <... prctl resumed>) = 0 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(21 [pid 311] rmdir("./301" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1829] setpgid(0, 0 [pid 1828] close(20 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1830 attached [pid 1829] <... setpgid resumed>) = 0 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(22 [pid 311] mkdir("./302", 0777 [pid 1830] set_robust_list(0x55555bb49760, 24 [pid 1829] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1828] close(21 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] <... set_robust_list resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 296 [pid 1830] rt_sigprocmask(SIG_SETMASK, [] [pid 1829] <... symlink resumed>) = 0 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(23 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1830] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1829] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1828] close(22 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1830] chdir("./294" [pid 1829] <... symlink resumed>) = 0 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(24 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1830] <... chdir resumed>) = 0 [pid 1829] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1828] close(23 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1831 attached [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(25 [pid 1831] set_robust_list(0x55555bb49760, 24 [pid 1830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1829] <... symlink resumed>) = 0 [pid 1831] <... set_robust_list resumed>) = 0 [pid 1830] <... prctl resumed>) = 0 [pid 1828] close(24 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 304 [pid 1831] rt_sigprocmask(SIG_SETMASK, [] [pid 1830] setpgid(0, 0 [pid 1829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(26 [pid 1831] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1830] <... setpgid resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1831] chdir("./302" [pid 1830] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1829] <... openat resumed>) = 3 [pid 1828] close(25 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1831] <... chdir resumed>) = 0 [pid 1830] <... symlink resumed>) = 0 [pid 1829] write(3, "1000", 4 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(27 [pid 1831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1830] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1829] <... write resumed>) = 4 [pid 1828] close(26 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] <... prctl resumed>) = 0 [pid 1831] setpgid(0, 0 [pid 1830] <... symlink resumed>) = 0 [pid 1829] close(3 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(28 [pid 1831] <... setpgid resumed>) = 0 [pid 1830] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1829] <... close resumed>) = 0 [pid 1828] close(27 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 1830] <... symlink resumed>) = 0 [pid 1829] symlink("/dev/binderfs", "./binderfs" [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] close(29 [pid 1831] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1831] <... symlink resumed>) = 0 [pid 1829] <... symlink resumed>) = 0 [pid 1828] close(28 [pid 1827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1830] <... openat resumed>) = 3 [pid 1829] write(1, "executing program\n", 18 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] <... symlink resumed>) = 0 executing program [pid 1830] write(3, "1000", 4 [pid 1829] <... write resumed>) = 18 [pid 1828] close(29 [pid 1827] exit_group(0 [pid 1831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1830] <... write resumed>) = 4 executing program [pid 1829] mkdirat(AT_FDCWD, "./config", 0777 [pid 1828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1827] <... exit_group resumed>) = ? [pid 1831] <... openat resumed>) = 3 [pid 1830] close(3 [pid 1831] write(3, "1000", 4 [pid 1829] <... mkdirat resumed>) = 0 [pid 1831] <... write resumed>) = 4 [pid 1828] exit_group(0 [pid 1831] close(3) = 0 [pid 1831] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1831] write(1, "executing program\n", 18) = 18 [pid 1831] mkdirat(AT_FDCWD, "./config", 0777 [pid 1827] +++ exited with 0 +++ [pid 1831] <... mkdirat resumed>) = 0 [pid 1830] <... close resumed>) = 0 [pid 1829] mount(NULL, "./config", "configfs", 0, NULL [pid 1828] <... exit_group resumed>) = ? [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1831] mount(NULL, "./config", "configfs", 0, NULL [pid 1830] symlink("/dev/binderfs", "./binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1831] <... mount resumed>) = 0 [pid 1829] <... mount resumed>) = 0 [pid 1831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1830] <... symlink resumed>) = 0 [pid 1829] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1828] +++ exited with 0 +++ [pid 1831] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1830] write(1, "executing program\n", 18 [pid 1829] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1831] <... symlinkat resumed>) = 0 [pid 1830] <... write resumed>) = 18 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1829] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 executing program [pid 1831] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1830] mkdirat(AT_FDCWD, "./config", 0777 [pid 1831] <... unlinkat resumed>) = 0 [pid 1829] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1831] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1830] <... mkdirat resumed>) = 0 [pid 1829] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1831] <... unlinkat resumed>) = 0 [pid 1830] mount(NULL, "./config", "configfs", 0, NULL [pid 1831] close(3) = -1 EBADF (Bad file descriptor) [pid 1831] close(4 [pid 1829] <... mkdirat resumed>) = 0 [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] close(5 [pid 1830] <... mount resumed>) = 0 [pid 1829] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1831] close(6 [pid 1830] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1829] <... symlinkat resumed>) = 0 [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1829] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1831] close(7 [pid 1830] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1829] <... unlinkat resumed>) = 0 [pid 1831] close(8 [pid 1830] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1829] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1831] close(9) = -1 EBADF (Bad file descriptor) [pid 1829] <... unlinkat resumed>) = 0 [pid 1831] close(10) = -1 EBADF (Bad file descriptor) [pid 1831] close(11) = -1 EBADF (Bad file descriptor) [pid 1831] close(12) = -1 EBADF (Bad file descriptor) [pid 1831] close(13) = -1 EBADF (Bad file descriptor) [pid 1831] close(14) = -1 EBADF (Bad file descriptor) [pid 1831] close(15 [pid 1830] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1829] close(3 [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1831] close(16 [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1829] close(4 [pid 1831] close(17 [pid 1830] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] close(18 [pid 1830] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1829] close(5 [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] close(3 [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] close(19 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] close(6 [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] close(4 [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] close(20 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] close(7 [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] close(5 [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] close(21 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] close(8 [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] close(6 [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] close(22 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] close(7 [pid 1829] close(9 [pid 1831] close(23 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] close(8 [pid 1829] close(10 [pid 1831] close(24 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] close(9 [pid 1829] close(11 [pid 1831] close(25 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] close(10 [pid 1829] close(12 [pid 1831] close(26 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] close(11 [pid 1829] close(13 [pid 1831] close(27 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] close(12 [pid 1829] close(14 [pid 1831] close(28 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] close(13 [pid 1829] close(15 [pid 1831] close(29 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] close(14 [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1831] exit_group(0 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] close(16 [pid 1831] <... exit_group resumed>) = ? [pid 1830] close(15 [pid 310] <... restart_syscall resumed>) = 0 [pid 1831] +++ exited with 0 +++ [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] close(17 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1830] close(16) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./298", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1830] close(17 [pid 1829] close(18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1830] close(18 [pid 1829] close(19 [pid 310] <... openat resumed>) = 3 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 1830] close(19 [pid 1829] close(20 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1830] close(20 [pid 1829] close(21 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1830] close(21 [pid 1829] close(22 [pid 313] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1830] close(22 [pid 1829] close(23 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./311", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./298/config" [pid 1830] close(23 [pid 1829] close(24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1830] close(24 [pid 1829] close(25 [pid 313] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./298/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] getdents64(4 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1830] close(25 [pid 1829] close(26 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(4 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1830] close(26 [pid 1829] close(27 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] close(4 [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 1830] close(27 [pid 1829] close(28 [pid 310] rmdir("./298/config" [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1830] close(28 [pid 1829] close(29 [pid 313] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./298/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1830] close(29 [pid 1829] exit_group(0 [pid 313] newfstatat(AT_FDCWD, "./311/config" [pid 310] newfstatat(AT_FDCWD, "./298/binderfs" [pid 1830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1829] <... exit_group resumed>) = ? [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1830] exit_group(0 [pid 310] unlink("./298/binderfs") = 0 [pid 310] umount2("./298/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1829] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] newfstatat(AT_FDCWD, "./298/cgroup.net" [pid 1830] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./298/cgroup.net") = 0 [pid 310] umount2("./298/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./298/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1830] +++ exited with 0 +++ [pid 310] unlink("./298/cgroup.cpu" [pid 313] openat(AT_FDCWD, "./311/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... unlink resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 310] umount2("./298/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./298/cgroup" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] unlink("./298/cgroup" [pid 313] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 313] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 313] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 313] rmdir("./311/config" [pid 310] rmdir("./298" [pid 309] umount2("./294", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 313] umount2("./311/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./299", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... mkdir resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./311/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] unlink("./311/binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 1832 attached [pid 313] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1832] set_robust_list(0x55555bb49760, 24 [pid 313] umount2("./311/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 301 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1832] <... set_robust_list resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] getdents64(3 [pid 1832] rt_sigprocmask(SIG_SETMASK, [] [pid 313] newfstatat(AT_FDCWD, "./311/cgroup.net" [pid 1832] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1832] chdir("./299" [pid 313] unlink("./311/cgroup.net" [pid 309] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1832] <... chdir resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 313] umount2("./311/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] umount2("./302", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./311/cgroup.cpu" [pid 1832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1832] <... prctl resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1832] setpgid(0, 0 [pid 313] unlink("./311/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1832] <... setpgid resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 313] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./294/config" [pid 1832] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 313] umount2("./311/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1832] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./294/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1832] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 313] newfstatat(AT_FDCWD, "./311/cgroup" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1832] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1832] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3 [pid 309] openat(AT_FDCWD, "./294/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1832] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] unlink("./311/cgroup" [pid 309] fstat(4 [pid 1832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... unlink resumed>) = 0 [pid 311] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1832] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 313] getdents64(3 [pid 311] <... umount2 resumed>) = 0 [pid 1832] write(3, "1000", 4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1832] <... write resumed>) = 4 [pid 313] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1832] close(3 [pid 313] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./302/config" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1832] <... close resumed>) = 0 [pid 313] rmdir("./311" [pid 1832] symlink("/dev/binderfs", "./binderfs" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 313] <... rmdir resumed>) = 0 [pid 1832] <... symlink resumed>) = 0 [pid 311] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 1832] write(1, "executing program\n", 18 [pid 313] mkdir("./312", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./294/config" [pid 1832] <... write resumed>) = 18 [pid 313] <... mkdir resumed>) = 0 [pid 311] openat(AT_FDCWD, "./302/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... openat resumed>) = 4 executing program [pid 309] umount2("./294/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1832] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1832] <... mkdirat resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./294/binderfs" [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1832] mount(NULL, "./config", "configfs", 0, NULL [pid 311] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1833 attached [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./294/binderfs" [pid 1833] set_robust_list(0x55555bb49760, 24 [pid 1832] <... mount resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 314 [pid 311] getdents64(4 [pid 1833] <... set_robust_list resumed>) = 0 [pid 1832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 1833] rt_sigprocmask(SIG_SETMASK, [] [pid 1832] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./294/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1833] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] close(4 [pid 1833] chdir("./312" [pid 1832] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1833] <... chdir resumed>) = 0 [pid 1832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./294/cgroup.net" [pid 1833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1832] <... mkdirat resumed>) = 0 [pid 311] rmdir("./302/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1833] setpgid(0, 0 [pid 1832] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] umount2("./307", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1833] <... setpgid resumed>) = 0 [pid 1832] <... symlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./294/cgroup.net" [pid 1833] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1832] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./302/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1833] <... symlink resumed>) = 0 [pid 1832] <... unlinkat resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 1833] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1832] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./294/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1833] <... symlink resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1833] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1832] <... unlinkat resumed>) = 0 [pid 312] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./302/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1833] <... symlink resumed>) = 0 [pid 1832] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./294/cgroup.cpu" [pid 1833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./302/binderfs" [pid 1833] <... openat resumed>) = 3 [pid 1832] close(4 [pid 312] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1833] write(3, "1000", 4 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 309] unlink("./294/cgroup.cpu" [pid 1833] <... write resumed>) = 4 [pid 1832] close(5 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./302/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1833] close(3 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./307/config" [pid 309] <... unlink resumed>) = 0 [pid 1833] <... close resumed>) = 0 [pid 1832] close(6 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1833] symlink("/dev/binderfs", "./binderfs" [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./302/cgroup.net" [pid 309] umount2("./294/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1833] <... symlink resumed>) = 0 [pid 1832] close(7 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1833] write(1, "executing program\n", 18 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 312] openat(AT_FDCWD, "./307/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./302/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1833] <... write resumed>) = 18 [pid 1832] close(8 [pid 312] <... openat resumed>) = 4 [pid 311] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./294/cgroup" [pid 1833] mkdirat(AT_FDCWD, "./config", 0777 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 311] umount2("./302/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1833] <... mkdirat resumed>) = 0 [pid 1832] close(9 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1833] mount(NULL, "./config", "configfs", 0, NULL [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./294/cgroup" [pid 1833] <... mount resumed>) = 0 [pid 1832] close(10 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] newfstatat(AT_FDCWD, "./302/cgroup.cpu" [pid 1833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1832] close(11 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] unlink("./302/cgroup.cpu" [pid 309] getdents64(3 [pid 1833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] close(4) = 0 [pid 312] rmdir("./307/config" [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1832] close(12 [pid 312] umount2("./307/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./302/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1833] <... mkdirat resumed>) = 0 [pid 1832] close(13 [pid 312] newfstatat(AT_FDCWD, "./307/binderfs" [pid 311] newfstatat(AT_FDCWD, "./302/cgroup" [pid 309] <... close resumed>) = 0 [pid 1833] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./294" [pid 1833] <... symlinkat resumed>) = 0 [pid 1832] close(14 [pid 312] unlink("./307/binderfs" [pid 311] unlink("./302/cgroup" [pid 1833] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1833] <... unlinkat resumed>) = 0 [pid 1832] close(15 [pid 312] umount2("./307/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 309] mkdir("./295", 0777 [pid 1833] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./307/cgroup.net" [pid 309] <... mkdir resumed>) = 0 [pid 1833] <... unlinkat resumed>) = 0 [pid 1832] close(16 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1833] close(3 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./307/cgroup.net" [pid 311] close(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] close(17 [pid 312] <... unlink resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1833] close(4 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./307/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./302" [pid 312] newfstatat(AT_FDCWD, "./307/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./307/cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1834 attached [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] close(18 [pid 312] <... unlink resumed>) = 0 [pid 1834] set_robust_list(0x55555bb49760, 24 [pid 1833] close(5 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./307/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 297 [pid 1834] <... set_robust_list resumed>) = 0 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdir("./303", 0777 [pid 1834] rt_sigprocmask(SIG_SETMASK, [] [pid 1833] close(6 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./307/cgroup" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1834] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] close(20 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1834] chdir("./295" [pid 1833] close(7 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./307/cgroup" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1834] <... chdir resumed>) = 0 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] close(21 [pid 312] <... unlink resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1833] close(8 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1834] <... prctl resumed>) = 0 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] close(22 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1834] setpgid(0, 0 [pid 312] close(3 [pid 1834] <... setpgid resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 1834] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 312] rmdir("./307"ci2-android-5-15/strace-static-x86_64: Process 1835 attached [pid 1834] <... symlink resumed>) = 0 [pid 1833] close(9 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1835] set_robust_list(0x55555bb49760, 24 [pid 1834] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] close(23 [pid 312] mkdir("./308", 0777 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 305 [pid 1835] <... set_robust_list resumed>) = 0 [pid 1834] <... symlink resumed>) = 0 [pid 1833] close(10 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 1835] rt_sigprocmask(SIG_SETMASK, [] [pid 1834] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] close(24 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1835] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1834] <... symlink resumed>) = 0 [pid 1833] close(11 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1835] chdir("./303" [pid 1834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] close(25 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1836 attached [pid 1835] <... chdir resumed>) = 0 [pid 1834] <... openat resumed>) = 3 [pid 1833] close(12 [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] set_robust_list(0x55555bb49760, 24 [pid 1835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1834] write(3, "1000", 4 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 310 [pid 1836] <... set_robust_list resumed>) = 0 [pid 1835] <... prctl resumed>) = 0 [pid 1834] <... write resumed>) = 4 [pid 1833] close(13 [pid 1832] close(26 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1835] setpgid(0, 0 [pid 1834] close(3 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1835] <... setpgid resumed>) = 0 [pid 1834] <... close resumed>) = 0 [pid 1836] rt_sigprocmask(SIG_SETMASK, [] [pid 1835] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1834] symlink("/dev/binderfs", "./binderfs" [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1835] <... symlink resumed>) = 0 [pid 1834] <... symlink resumed>) = 0 [pid 1833] close(14 [pid 1832] close(27 [pid 1836] chdir("./308" [pid 1835] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1834] write(1, "executing program\n", 18 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1836] <... chdir resumed>) = 0 [pid 1835] <... symlink resumed>) = 0 [pid 1834] <... write resumed>) = 18 [pid 1833] close(15 [pid 1832] close(28 [pid 1836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1835] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1834] mkdirat(AT_FDCWD, "./config", 0777 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] <... prctl resumed>) = 0 [pid 1835] <... symlink resumed>) = 0 [pid 1834] <... mkdirat resumed>) = 0 [pid 1833] close(16 [pid 1832] close(29 [pid 1836] setpgid(0, 0 [pid 1835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1834] mount(NULL, "./config", "configfs", 0, NULL [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] <... setpgid resumed>) = 0 [pid 1835] <... openat resumed>) = 3 [pid 1834] <... mount resumed>) = 0 [pid 1833] close(17 [pid 1836] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1835] write(3, "1000", 4 [pid 1834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1832] exit_group(0 [pid 1836] <... symlink resumed>) = 0 [pid 1835] <... write resumed>) = 4 [pid 1834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1833] close(18 [pid 1832] <... exit_group resumed>) = ? [pid 1836] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1835] close(3 [pid 1834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = 0 [pid 1834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1835] symlink("/dev/binderfs", "./binderfs" [pid 1834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1836] <... symlink resumed>) = 0 [pid 1835] <... symlink resumed>) = 0 [pid 1834] <... mkdirat resumed>) = 0 [pid 1833] close(19 [pid 1832] +++ exited with 0 +++ [pid 1836] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1835] write(1, "executing program\n", 18 executing program [pid 1834] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] <... symlink resumed>) = 0 [pid 1835] <... write resumed>) = 18 [pid 1834] <... symlinkat resumed>) = 0 [pid 1833] close(20 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1835] mkdirat(AT_FDCWD, "./config", 0777 [pid 1834] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1836] <... openat resumed>) = 3 [pid 1835] <... mkdirat resumed>) = 0 [pid 1834] <... unlinkat resumed>) = 0 [pid 1833] close(21 [pid 1836] write(3, "1000", 4 [pid 1835] mount(NULL, "./config", "configfs", 0, NULL [pid 1834] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] <... write resumed>) = 4 [pid 1835] <... mount resumed>) = 0 [pid 1834] <... unlinkat resumed>) = 0 [pid 1833] close(22 [pid 1836] close(3 [pid 1835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1834] close(3 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] <... close resumed>) = 0 [pid 1835] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1833] close(23 [pid 1836] symlink("/dev/binderfs", "./binderfs" [pid 1835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1834] close(4 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] <... symlink resumed>) = 0 [pid 1835] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1833] close(24 [pid 1836] write(1, "executing program\n", 18 [pid 1835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1834] close(5 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] <... write resumed>) = 18 [pid 1835] <... mkdirat resumed>) = 0 [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1833] close(25 [pid 1836] mkdirat(AT_FDCWD, "./config", 0777 [pid 1835] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1834] close(6 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] <... mkdirat resumed>) = 0 [pid 1835] <... symlinkat resumed>) = 0 [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1833] close(26 [pid 1836] mount(NULL, "./config", "configfs", 0, NULL [pid 1835] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1834] close(7 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] <... mount resumed>) = 0 [pid 1835] <... unlinkat resumed>) = 0 [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1833] close(27 [pid 1836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1835] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1834] close(8 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1835] <... unlinkat resumed>) = 0 [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1833] close(28 [pid 1836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1835] close(3 [pid 1834] close(9 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1833] close(29 [pid 1836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1835] close(4 [pid 1834] close(10 [pid 1833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] <... mkdirat resumed>) = 0 [pid 1835] close(5 [pid 1834] close(11 [pid 1836] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1833] exit_group(0 [pid 1835] close(6 [pid 1834] close(12 [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1833] <... exit_group resumed>) = ? [pid 1836] <... symlinkat resumed>) = 0 [pid 1835] close(7 [pid 1834] close(13 [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] close(8 [pid 1834] close(14 [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] close(9 [pid 1834] close(15 [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] close(10 [pid 1834] close(16 [pid 1833] +++ exited with 0 +++ [pid 1836] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] <... unlinkat resumed>) = 0 [pid 1835] close(11 [pid 1834] close(17 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1836] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1835] close(12 [pid 1834] close(18 [pid 1836] <... unlinkat resumed>) = 0 [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1836] close(3 [pid 1835] close(13 [pid 1834] close(19 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] close(4 [pid 1835] close(14 [pid 1834] close(20 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] close(5 [pid 1835] close(15 [pid 1834] close(21 [pid 310] umount2("./299", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] close(6 [pid 1835] close(16 [pid 1834] close(22 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] close(7 [pid 1835] close(17 [pid 1834] close(23 [pid 310] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] close(8 [pid 1835] close(18 [pid 1834] close(24 [pid 310] <... openat resumed>) = 3 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 1836] close(9 [pid 1835] close(19 [pid 1834] close(25 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] close(10 [pid 1835] close(20 [pid 1834] close(26 [pid 310] getdents64(3 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] close(11 [pid 1835] close(21 [pid 1834] close(27 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1836] close(12 [pid 1835] close(22 [pid 1834] close(28 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 1836] close(13 [pid 1835] close(23 [pid 1834] close(29 [pid 310] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1836] close(14 [pid 1835] close(24 [pid 1834] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1834] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./299/config" [pid 1836] close(15 [pid 1835] close(25 [pid 1834] +++ exited with 0 +++ [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1836] close(16 [pid 1835] close(26 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1836] close(17 [pid 1835] close(27 [pid 313] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./299/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1836] close(18 [pid 1835] close(28 [pid 309] <... restart_syscall resumed>) = 0 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./312", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 1836] close(19 [pid 1835] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./312", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1836] close(20 [pid 1835] exit_group(0 [pid 313] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1835] <... exit_group resumed>) = ? [pid 313] fstat(3 [pid 309] umount2("./295", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1836] close(21 [pid 1835] +++ exited with 0 +++ [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1836] close(22 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] close(4 [pid 309] <... openat resumed>) = 3 [pid 1836] close(23 [pid 310] <... close resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./299/config" [pid 309] fstat(3 [pid 1836] close(24 [pid 313] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1836] close(25 [pid 310] umount2("./299/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./312/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1836] close(26 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./299/binderfs" [pid 309] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1836] close(27 [pid 313] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1836] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./299/binderfs" [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./312/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1836] close(29 [pid 313] <... openat resumed>) = 4 [pid 310] <... unlink resumed>) = 0 [pid 1836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] fstat(4 [pid 310] umount2("./299/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1836] exit_group(0 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./295/config" [pid 1836] <... exit_group resumed>) = ? [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1836] +++ exited with 0 +++ [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./299/cgroup.net" [pid 313] getdents64(4 [pid 311] umount2("./303", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./295/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] getdents64(4 [pid 311] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./299/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./295/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] close(4 [pid 311] fstat(3 [pid 310] umount2("./299/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... close resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 313] rmdir("./312/config" [pid 311] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 313] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./299/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 313] umount2("./312/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = 0 [pid 310] unlink("./299/cgroup.cpu" [pid 313] newfstatat(AT_FDCWD, "./312/binderfs" [pid 311] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] unlink("./312/binderfs" [pid 311] newfstatat(AT_FDCWD, "./303/config" [pid 310] umount2("./299/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] umount2("./312/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./299/cgroup" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 313] newfstatat(AT_FDCWD, "./312/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./303/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./299/cgroup" [pid 309] <... close resumed>) = 0 [pid 313] unlink("./312/cgroup.net" [pid 311] <... openat resumed>) = 4 [pid 313] <... unlink resumed>) = 0 [pid 311] fstat(4 [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./295/config" [pid 313] umount2("./312/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] getdents64(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./312/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] close(3 [pid 309] umount2("./295/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 313] unlink("./312/cgroup.cpu" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./299" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... unlink resumed>) = 0 [pid 311] close(4 [pid 310] <... rmdir resumed>) = 0 [pid 313] umount2("./312/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./295/binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] mkdir("./300", 0777 [pid 313] newfstatat(AT_FDCWD, "./312/cgroup" [pid 311] rmdir("./303/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./295/binderfs" [pid 313] unlink("./312/cgroup" [pid 311] umount2("./303/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... unlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./295/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./303/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] close(3 [pid 311] unlink("./303/binderfs"ci2-android-5-15/strace-static-x86_64: Process 1837 attached [pid 313] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./295/cgroup.net" [pid 1837] set_robust_list(0x55555bb49760, 24 [pid 313] rmdir("./312" [pid 311] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 302 [pid 1837] <... set_robust_list resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 1837] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./303/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] mkdir("./313", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./295/cgroup.net" [pid 1837] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1837] chdir("./300" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1837] <... chdir resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] newfstatat(AT_FDCWD, "./303/cgroup.net" [pid 1837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./295/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1837] <... prctl resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] unlink("./303/cgroup.net" [pid 1837] setpgid(0, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1837] <... setpgid resumed>) = 0 [pid 1837] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 1837] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1838 attached ) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./295/cgroup.cpu" [pid 1838] set_robust_list(0x55555bb49760, 24 [pid 1837] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 315 [pid 311] umount2("./303/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1838] <... set_robust_list resumed>) = 0 [pid 1837] <... symlink resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./295/cgroup.cpu" [pid 1838] rt_sigprocmask(SIG_SETMASK, [] [pid 1837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] newfstatat(AT_FDCWD, "./303/cgroup.cpu" [pid 1838] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1837] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 1838] chdir("./313" [pid 1837] write(3, "1000", 4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./295/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1838] <... chdir resumed>) = 0 [pid 1837] <... write resumed>) = 4 [pid 311] unlink("./303/cgroup.cpu" [pid 1838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1837] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1838] <... prctl resumed>) = 0 [pid 1837] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1838] setpgid(0, 0 [pid 1837] symlink("/dev/binderfs", "./binderfs" [pid 309] newfstatat(AT_FDCWD, "./295/cgroup" [pid 1838] <... setpgid resumed>) = 0 [pid 1837] <... symlink resumed>) = 0 [pid 311] umount2("./303/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1838] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1837] write(1, "executing program\n", 18 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1838] <... symlink resumed>) = 0 [pid 1837] <... write resumed>) = 18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./295/cgroup" [pid 1838] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1837] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] newfstatat(AT_FDCWD, "./303/cgroup" [pid 1838] <... symlink resumed>) = 0 [pid 1837] <... mkdirat resumed>) = 0 [pid 312] umount2("./308", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1838] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1837] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1838] <... symlink resumed>) = 0 [pid 1837] <... mount resumed>) = 0 [pid 312] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./303/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... openat resumed>) = 3 [pid 311] <... unlink resumed>) = 0 [pid 309] close(3 [pid 1838] <... openat resumed>) = 3 [pid 1837] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] fstat(3 [pid 311] getdents64(3 [pid 1838] write(3, "1000", 4 [pid 1837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 1838] <... write resumed>) = 4 [pid 1837] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] getdents64(3 [pid 311] close(3 [pid 309] rmdir("./295" [pid 1838] close(3 [pid 1837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... close resumed>) = 0 [pid 1838] <... close resumed>) = 0 [pid 1837] <... mkdirat resumed>) = 0 [pid 312] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./303" [pid 309] <... rmdir resumed>) = 0 [pid 1838] symlink("/dev/binderfs", "./binderfs" [pid 1837] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1838] <... symlink resumed>) = 0 executing program [pid 1837] <... symlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 309] mkdir("./296", 0777 [pid 1838] write(1, "executing program\n", 18 [pid 1837] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] mkdir("./304", 0777 [pid 1838] <... write resumed>) = 18 [pid 1837] <... unlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... mkdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1838] mkdirat(AT_FDCWD, "./config", 0777 [pid 1837] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] newfstatat(AT_FDCWD, "./308/config" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1838] <... mkdirat resumed>) = 0 [pid 1837] <... unlinkat resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1838] mount(NULL, "./config", "configfs", 0, NULL [pid 1837] close(3 [pid 312] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1838] <... mount resumed>) = 0 [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1837] close(4 [pid 1838] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1839 attached [pid 1838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1837] close(5 [pid 312] openat(AT_FDCWD, "./308/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1839] set_robust_list(0x55555bb49760, 24 [pid 1838] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 306 [pid 1839] <... set_robust_list resumed>) = 0 [pid 1838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1837] close(6ci2-android-5-15/strace-static-x86_64: Process 1840 attached [pid 1839] rt_sigprocmask(SIG_SETMASK, [] [pid 1838] <... mkdirat resumed>) = 0 [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1840] set_robust_list(0x55555bb49760, 24 [pid 1839] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1838] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1837] close(7 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 298 [pid 1839] chdir("./304" [pid 1838] <... symlinkat resumed>) = 0 [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] <... chdir resumed>) = 0 [pid 1838] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1837] close(8 [pid 1840] <... set_robust_list resumed>) = 0 [pid 1839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1838] <... unlinkat resumed>) = 0 [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1840] rt_sigprocmask(SIG_SETMASK, [] [pid 1839] <... prctl resumed>) = 0 [pid 1838] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1837] close(9 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1840] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1839] setpgid(0, 0 [pid 1838] <... unlinkat resumed>) = 0 [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1840] chdir("./296" [pid 1839] <... setpgid resumed>) = 0 [pid 1838] close(3 [pid 1837] close(10 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1840] <... chdir resumed>) = 0 [pid 1839] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1839] <... symlink resumed>) = 0 [pid 1838] close(4 [pid 1837] close(11 [pid 1840] <... prctl resumed>) = 0 [pid 1839] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1840] setpgid(0, 0 [pid 1839] <... symlink resumed>) = 0 [pid 1838] close(5 [pid 1837] close(12 [pid 312] rmdir("./308/config" [pid 1840] <... setpgid resumed>) = 0 [pid 1839] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1840] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1839] <... symlink resumed>) = 0 [pid 1838] close(6 [pid 1837] close(13 [pid 312] <... rmdir resumed>) = 0 [pid 1840] <... symlink resumed>) = 0 [pid 1839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./308/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1840] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1839] <... openat resumed>) = 3 [pid 1838] close(7 [pid 1837] close(14 [pid 1840] <... symlink resumed>) = 0 [pid 1839] write(3, "1000", 4 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1840] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1839] <... write resumed>) = 4 [pid 1838] close(8 [pid 1837] close(15 [pid 312] newfstatat(AT_FDCWD, "./308/binderfs" [pid 1840] <... symlink resumed>) = 0 [pid 1839] close(3 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1839] <... close resumed>) = 0 [pid 1838] close(9 [pid 1837] close(16 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1840] <... openat resumed>) = 3 [pid 1839] symlink("/dev/binderfs", "./binderfs" [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1840] write(3, "1000", 4 [pid 1839] <... symlink resumed>) = 0 [pid 1838] close(10 [pid 1837] close(17 [pid 312] unlink("./308/binderfs" [pid 1840] <... write resumed>) = 4 [pid 1839] write(1, "executing program\n", 18 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1840] close(3 [pid 1839] <... write resumed>) = 18 [pid 1838] close(11 [pid 1837] close(18 [pid 312] <... unlink resumed>) = 0 [pid 1840] <... close resumed>) = 0 [pid 1839] mkdirat(AT_FDCWD, "./config", 0777 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./308/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1840] symlink("/dev/binderfs", "./binderfs" [pid 1839] <... mkdirat resumed>) = 0 [pid 1838] close(12 [pid 1837] close(19 [pid 1840] <... symlink resumed>) = 0 [pid 1839] mount(NULL, "./config", "configfs", 0, NULL [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1840] write(1, "executing program\n", 18 [pid 1839] <... mount resumed>) = 0 executing program [pid 1838] close(13 [pid 1837] close(20 [pid 312] newfstatat(AT_FDCWD, "./308/cgroup.net" [pid 1840] <... write resumed>) = 18 [pid 1839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1840] mkdirat(AT_FDCWD, "./config", 0777 [pid 1839] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1838] close(14 [pid 1837] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1840] <... mkdirat resumed>) = 0 [pid 1839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./308/cgroup.net" [pid 1840] mount(NULL, "./config", "configfs", 0, NULL [pid 1839] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1838] close(15 [pid 1837] close(22 [pid 1840] <... mount resumed>) = 0 [pid 1839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1840] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1839] <... mkdirat resumed>) = 0 [pid 1838] close(16 [pid 1837] close(23 [pid 312] umount2("./308/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1840] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1839] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1840] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1839] <... symlinkat resumed>) = 0 [pid 1838] close(17 [pid 1837] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1840] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1839] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./308/cgroup.cpu" [pid 1840] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1839] <... unlinkat resumed>) = 0 [pid 1838] close(18 [pid 1837] close(25 [pid 1840] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1839] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1840] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1839] <... unlinkat resumed>) = 0 [pid 1838] close(19 [pid 1837] close(26 [pid 1840] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1839] close(3 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./308/cgroup.cpu" [pid 1840] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1838] close(20 [pid 1837] close(27 [pid 1840] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1839] close(4 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1840] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1838] close(21 [pid 1837] close(28 [pid 312] umount2("./308/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1840] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1839] close(5 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1840] close(3 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1838] close(22 [pid 1837] close(29 [pid 312] newfstatat(AT_FDCWD, "./308/cgroup" [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(6 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1840] close(4 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1838] close(23 [pid 1837] exit_group(0 [pid 312] unlink("./308/cgroup" [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(7 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1837] <... exit_group resumed>) = ? [pid 1840] close(5 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1838] close(24 [pid 1837] +++ exited with 0 +++ [pid 312] <... unlink resumed>) = 0 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(8 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1840] close(6 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1838] close(25 [pid 312] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(9 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1840] close(7 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1838] close(26 [pid 312] close(3 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(10 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1840] close(8 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1838] close(27 [pid 312] <... close resumed>) = 0 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(11 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./308" [pid 1840] close(9 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1838] close(28 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(12 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1840] close(10 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1838] close(29 [pid 312] mkdir("./309", 0777 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(13 [pid 1838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1840] close(11 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1838] exit_group(0 [pid 312] <... mkdir resumed>) = 0 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(14 [pid 1838] <... exit_group resumed>) = ? [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1840] close(12 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1838] +++ exited with 0 +++ [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(15 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1840] close(13 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 1841 attached [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(16 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1841] set_robust_list(0x55555bb49760, 24 [pid 1840] close(14 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 311 [pid 1841] <... set_robust_list resumed>) = 0 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(17 [pid 1841] rt_sigprocmask(SIG_SETMASK, [] [pid 1840] close(15 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1841] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(18 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1841] chdir("./309" [pid 1840] close(16 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1841] <... chdir resumed>) = 0 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(19 [pid 1841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1840] close(17 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1841] <... prctl resumed>) = 0 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(20 [pid 1841] setpgid(0, 0 [pid 1840] close(18 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1841] <... setpgid resumed>) = 0 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(21 [pid 1841] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1840] close(19 [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1841] <... symlink resumed>) = 0 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] close(22 [pid 1841] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1840] close(20 [pid 1841] <... symlink resumed>) = 0 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1841] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1840] close(21 [pid 1839] close(23 [pid 1841] <... symlink resumed>) = 0 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1840] close(22 [pid 1839] close(24 [pid 1841] <... openat resumed>) = 3 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1841] write(3, "1000", 4) = 4 [pid 1840] close(23 [pid 1839] close(25 [pid 1841] close(3 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1841] <... close resumed>) = 0 [pid 1840] close(24 [pid 1839] close(26 [pid 1841] symlink("/dev/binderfs", "./binderfs" [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1841] <... symlink resumed>) = 0 [pid 1840] close(25 [pid 1839] close(27 [pid 1841] write(1, "executing program\n", 18 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1841] <... write resumed>) = 18 [pid 1840] close(26 [pid 1839] close(28 [pid 1841] mkdirat(AT_FDCWD, "./config", 0777 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1841] <... mkdirat resumed>) = 0 [pid 1840] close(27 [pid 1839] close(29 [pid 310] <... restart_syscall resumed>) = 0 [pid 1841] mount(NULL, "./config", "configfs", 0, NULL [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1841] <... mount resumed>) = 0 [pid 1840] close(28 [pid 1841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1839] exit_group(0 [pid 1841] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1840] close(29 [pid 1839] <... exit_group resumed>) = ? [pid 1841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./300", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1841] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1841] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1839] +++ exited with 0 +++ [pid 1841] <... symlinkat resumed>) = 0 [pid 1840] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1841] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1840] <... exit_group resumed>) = ? [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1841] <... unlinkat resumed>) = 0 [pid 1841] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 1841] close(3) = -1 EBADF (Bad file descriptor) [pid 1841] close(4) = -1 EBADF (Bad file descriptor) [pid 1841] close(5) = -1 EBADF (Bad file descriptor) [pid 1840] +++ exited with 0 +++ [pid 1841] close(6 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 1841] close(7 [pid 310] fstat(3 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1841] close(8 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./313", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./304", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1841] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./313", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./296", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1841] close(10 [pid 313] <... openat resumed>) = 3 [pid 311] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1841] close(11) = -1 EBADF (Bad file descriptor) [pid 1841] close(12) = -1 EBADF (Bad file descriptor) [pid 1841] close(13) = -1 EBADF (Bad file descriptor) [pid 1841] close(14) = -1 EBADF (Bad file descriptor) [pid 1841] close(15 [pid 313] fstat(3 [pid 310] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... openat resumed>) = 3 [pid 1841] close(16 [pid 313] getdents64(3 [pid 310] <... umount2 resumed>) = 0 [pid 309] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] fstat(3 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1841] close(17 [pid 313] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... umount2 resumed>) = 0 [pid 1841] close(18 [pid 311] getdents64(3 [pid 309] fstat(3 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] newfstatat(AT_FDCWD, "./300/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1841] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./313/config" [pid 309] getdents64(3 [pid 1841] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 310] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1841] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./300/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./313/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./304/config" [pid 309] <... umount2 resumed>) = 0 [pid 1841] close(22 [pid 313] <... openat resumed>) = 4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 309] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1841] close(23 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] openat(AT_FDCWD, "./304/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1841] close(24 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./296/config" [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] fstat(4 [pid 310] getdents64(4 [pid 1841] close(25 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./296/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1841] close(26 [pid 313] <... close resumed>) = 0 [pid 311] getdents64(4 [pid 310] close(4 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./313/config" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1841] close(27 [pid 313] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 311] getdents64(4 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./313/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./300/config" [pid 309] openat(AT_FDCWD, "./296/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1841] close(28 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(4 [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./313/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1841] close(29 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 310] umount2("./300/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1841] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./313/binderfs" [pid 311] rmdir("./304/config" [pid 309] fstat(4 [pid 1841] exit_group(0 [pid 313] <... unlink resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1841] <... exit_group resumed>) = ? [pid 313] umount2("./313/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./304/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./300/binderfs" [pid 1841] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 313] newfstatat(AT_FDCWD, "./313/cgroup.net" [pid 311] newfstatat(AT_FDCWD, "./304/binderfs" [pid 310] unlink("./300/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 313] unlink("./313/cgroup.net" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(4 [pid 311] unlink("./304/binderfs" [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./300/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./313/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./304/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 313] newfstatat(AT_FDCWD, "./313/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./300/cgroup.net" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./304/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 313] unlink("./313/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./300/cgroup.net" [pid 309] rmdir("./296/config" [pid 313] <... unlink resumed>) = 0 [pid 311] unlink("./304/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./300/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] umount2("./313/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./304/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./296/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] newfstatat(AT_FDCWD, "./313/cgroup" [pid 311] newfstatat(AT_FDCWD, "./304/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./300/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./313/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./304/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./296/binderfs" [pid 313] <... unlink resumed>) = 0 [pid 310] unlink("./300/cgroup.cpu" [pid 313] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] umount2("./304/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./296/binderfs" [pid 313] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./300/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./304/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 313] rmdir("./313" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./300/cgroup" [pid 309] umount2("./296/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] mkdir("./314", 0777 [pid 311] unlink("./304/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./300/cgroup" [pid 309] newfstatat(AT_FDCWD, "./296/cgroup.net" [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] getdents64(3 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 311] close(3 [pid 309] unlink("./296/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1842 attached [pid 311] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1842] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 316 [pid 311] rmdir("./304" [pid 310] close(3 [pid 309] <... unlink resumed>) = 0 [pid 1842] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1842] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rmdir resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./296/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1842] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] mkdir("./305", 0777 [pid 310] rmdir("./300" [pid 1842] chdir("./314" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1842] <... chdir resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./296/cgroup.cpu" [pid 1842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] mkdir("./301", 0777 [pid 1842] <... prctl resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1842] setpgid(0, 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... mkdir resumed>) = 0 [pid 309] unlink("./296/cgroup.cpu" [pid 1842] <... setpgid resumed>) = 0 [pid 1842] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 1842] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 ci2-android-5-15/strace-static-x86_64: Process 1843 attached [pid 1842] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1843] set_robust_list(0x55555bb49760, 24 [pid 1842] <... symlink resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 307 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... unlink resumed>) = 0 [pid 1843] <... set_robust_list resumed>) = 0 [pid 1842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./296/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1843] rt_sigprocmask(SIG_SETMASK, [] [pid 1842] <... openat resumed>) = 3 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1843] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1842] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1842] <... write resumed>) = 4 [pid 1842] close(3) = 0 [pid 1842] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1842] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 1844 attached executing program [pid 1843] chdir("./305" [pid 1842] <... write resumed>) = 18 [pid 309] newfstatat(AT_FDCWD, "./296/cgroup" [pid 1844] set_robust_list(0x55555bb49760, 24 [pid 1843] <... chdir resumed>) = 0 [pid 1842] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 303 [pid 1844] <... set_robust_list resumed>) = 0 [pid 1843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1842] <... mkdirat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1844] rt_sigprocmask(SIG_SETMASK, [] [pid 1843] <... prctl resumed>) = 0 [pid 1842] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./296/cgroup" [pid 1844] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1843] setpgid(0, 0 [pid 1842] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1844] chdir("./301" [pid 1843] <... setpgid resumed>) = 0 [pid 1842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] umount2("./309", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1844] <... chdir resumed>) = 0 [pid 1843] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1842] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1843] <... symlink resumed>) = 0 [pid 1842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] openat(AT_FDCWD, "./309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1844] <... prctl resumed>) = 0 [pid 1843] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1842] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1844] setpgid(0, 0 [pid 1842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... openat resumed>) = 3 [pid 1844] <... setpgid resumed>) = 0 [pid 1843] <... symlink resumed>) = 0 [pid 1842] <... mkdirat resumed>) = 0 [pid 309] close(3 [pid 1844] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1842] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1844] <... symlink resumed>) = 0 [pid 1843] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1842] <... symlinkat resumed>) = 0 [pid 312] fstat(3 [pid 309] <... close resumed>) = 0 [pid 1844] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1842] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1844] <... symlink resumed>) = 0 [pid 1843] <... symlink resumed>) = 0 [pid 1842] <... unlinkat resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] rmdir("./296" [pid 1844] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1842] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] getdents64(3 [pid 1844] <... symlink resumed>) = 0 [pid 1843] <... openat resumed>) = 3 [pid 1842] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1843] write(3, "1000", 4 [pid 1842] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] mkdir("./297", 0777 [pid 1844] <... openat resumed>) = 3 [pid 1843] <... write resumed>) = 4 [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1844] write(3, "1000", 4 [pid 1843] close(3 [pid 1842] close(4 [pid 309] <... mkdir resumed>) = 0 [pid 1844] <... write resumed>) = 4 [pid 1843] <... close resumed>) = 0 [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1844] close(3 [pid 1843] symlink("/dev/binderfs", "./binderfs" [pid 1842] close(5 [pid 312] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1844] <... close resumed>) = 0 [pid 1843] <... symlink resumed>) = 0 [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1844] symlink("/dev/binderfs", "./binderfs" executing program [pid 1843] write(1, "executing program\n", 18 [pid 1842] close(6 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1844] <... symlink resumed>) = 0 [pid 1843] <... write resumed>) = 18 [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./309/config" [pid 1844] write(1, "executing program\n", 18 [pid 1842] close(7 [pid 1844] <... write resumed>) = 18 [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] mkdirat(AT_FDCWD, "./config", 0777 [pid 1842] close(8ci2-android-5-15/strace-static-x86_64: Process 1845 attached [pid 1844] <... mkdirat resumed>) = 0 executing program [pid 1843] mkdirat(AT_FDCWD, "./config", 0777 [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 299 [pid 1845] set_robust_list(0x55555bb49760, 24 [pid 1844] mount(NULL, "./config", "configfs", 0, NULL [pid 1843] <... mkdirat resumed>) = 0 [pid 1842] close(9 [pid 312] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1845] <... set_robust_list resumed>) = 0 [pid 1844] <... mount resumed>) = 0 [pid 1843] mount(NULL, "./config", "configfs", 0, NULL [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1845] rt_sigprocmask(SIG_SETMASK, [] [pid 1844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1842] close(10 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1845] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1844] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1843] <... mount resumed>) = 0 [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./309/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1845] chdir("./297" [pid 1844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1842] close(11 [pid 312] <... openat resumed>) = 4 [pid 1845] <... chdir resumed>) = 0 [pid 1844] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1843] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1842] close(12 [pid 1845] <... prctl resumed>) = 0 [pid 1844] <... mkdirat resumed>) = 0 [pid 1843] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1845] setpgid(0, 0 [pid 1844] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1842] close(13 [pid 312] getdents64(4 [pid 1845] <... setpgid resumed>) = 0 [pid 1844] <... symlinkat resumed>) = 0 [pid 1843] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1845] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1844] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1843] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1842] close(14 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1845] <... symlink resumed>) = 0 [pid 1844] <... unlinkat resumed>) = 0 [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1845] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1844] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1843] <... symlinkat resumed>) = 0 [pid 1842] close(15 [pid 312] getdents64(4 [pid 1845] <... symlink resumed>) = 0 [pid 1844] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1843] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1845] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1844] close(3 [pid 1843] <... unlinkat resumed>) = 0 [pid 1842] close(16 [pid 312] close(4 [pid 1845] <... symlink resumed>) = 0 [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1844] close(4 [pid 1842] close(17 [pid 312] <... close resumed>) = 0 [pid 1845] <... openat resumed>) = 3 [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... unlinkat resumed>) = 0 [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./309/config" [pid 1845] write(3, "1000", 4 [pid 1844] close(5 [pid 1843] close(3 [pid 1842] close(18 [pid 1845] <... write resumed>) = 4 [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1845] close(3 [pid 1844] close(6 [pid 1843] close(4 [pid 1842] close(19 [pid 312] umount2("./309/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1845] <... close resumed>) = 0 [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1845] symlink("/dev/binderfs", "./binderfs" [pid 1844] close(7 [pid 1843] close(5 [pid 1842] close(20 [pid 312] newfstatat(AT_FDCWD, "./309/binderfs" [pid 1845] <... symlink resumed>) = 0 [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1845] write(1, "executing program\n", 18 [pid 1844] close(8 executing program [pid 1843] close(6 [pid 1842] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1845] <... write resumed>) = 18 [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./309/binderfs" [pid 1845] mkdirat(AT_FDCWD, "./config", 0777 [pid 1844] close(9 [pid 1843] close(7 [pid 1842] close(22 [pid 1845] <... mkdirat resumed>) = 0 [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1845] mount(NULL, "./config", "configfs", 0, NULL [pid 1844] close(10 [pid 1843] close(8 [pid 1842] close(23 [pid 312] umount2("./309/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1845] <... mount resumed>) = 0 [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1844] close(11 [pid 1843] close(9 [pid 1842] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1845] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./309/cgroup.net" [pid 1845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1844] close(12 [pid 1843] close(10 [pid 1842] close(25 [pid 1845] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1844] close(13 [pid 1843] close(11 [pid 1842] close(26 [pid 312] unlink("./309/cgroup.net" [pid 1845] <... mkdirat resumed>) = 0 [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1845] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1844] close(14 [pid 1843] close(12 [pid 1842] close(27 [pid 312] <... unlink resumed>) = 0 [pid 1845] <... symlinkat resumed>) = 0 [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./309/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1845] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1844] close(15 [pid 1843] close(13 [pid 1842] close(28 [pid 1845] <... unlinkat resumed>) = 0 [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1845] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1844] close(16 [pid 1843] close(14 [pid 1842] close(29 [pid 312] newfstatat(AT_FDCWD, "./309/cgroup.cpu" [pid 1845] <... unlinkat resumed>) = 0 [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1845] close(3 [pid 1844] close(17 [pid 1842] exit_group(0 [pid 1843] close(15 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1842] <... exit_group resumed>) = ? [pid 312] unlink("./309/cgroup.cpu" [pid 1845] close(4 [pid 1844] close(18 [pid 1843] close(16 [pid 1842] +++ exited with 0 +++ [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1845] close(5 [pid 1844] close(19 [pid 1843] close(17 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./309/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1845] close(6 [pid 1844] close(20 [pid 1843] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./309/cgroup" [pid 1845] close(7 [pid 1844] close(21 [pid 1843] close(19 [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1845] close(8 [pid 1844] close(22 [pid 1843] close(20 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] unlink("./309/cgroup" [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1845] close(9 [pid 1844] close(23 [pid 1843] close(21 [pid 312] <... unlink resumed>) = 0 [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1845] close(10 [pid 1844] close(24 [pid 1843] close(22 [pid 313] umount2("./314", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(3 [pid 1845] close(11 [pid 1844] close(25 [pid 1843] close(23 [pid 313] openat(AT_FDCWD, "./314", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1845] close(12 [pid 1844] close(26 [pid 1843] close(24 [pid 313] <... openat resumed>) = 3 [pid 312] rmdir("./309" [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 1845] close(13 [pid 1844] close(27 [pid 1843] close(25 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1845] close(14 [pid 1844] close(28 [pid 1843] close(26 [pid 312] mkdir("./310", 0777 [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1845] close(15 [pid 1844] close(29 [pid 1843] close(27 [pid 313] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1845] close(16 [pid 1844] exit_group(0 [pid 1843] close(28 [pid 313] <... umount2 resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1844] <... exit_group resumed>) = ? [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1845] close(17 [pid 1844] +++ exited with 0 +++ [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] close(29 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1845] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1846 attached [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./314/config" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1846] set_robust_list(0x55555bb49760, 24 [pid 1845] close(19 [pid 1843] exit_group(0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 312 [pid 1846] <... set_robust_list resumed>) = 0 [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] <... exit_group resumed>) = ? [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1846] rt_sigprocmask(SIG_SETMASK, [] [pid 1845] close(20 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1846] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1846] chdir("./310") = 0 [pid 1846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1846] setpgid(0, 0) = 0 [pid 1846] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1843] +++ exited with 0 +++ [pid 313] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1846] <... symlink resumed>) = 0 [pid 1845] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1846] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./314/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1846] <... symlink resumed>) = 0 [pid 1845] close(22 [pid 1846] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1846] <... symlink resumed>) = 0 [pid 1845] close(23 [pid 313] fstat(4 [pid 310] umount2("./301", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1846] <... openat resumed>) = 3 [pid 1845] close(24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1846] write(3, "1000", 4 [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1846] <... write resumed>) = 4 [pid 1845] close(25 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1846] close(3 [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] <... openat resumed>) = 3 [pid 1846] <... close resumed>) = 0 [pid 1845] close(26 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 1846] symlink("/dev/binderfs", "./binderfs" [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1846] <... symlink resumed>) = 0 [pid 1845] close(27 [pid 313] <... close resumed>) = 0 [pid 1846] write(1, "executing program\n", 18 [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] rmdir("./314/config" [pid 310] getdents64(3 [pid 1846] <... write resumed>) = 18 [pid 1845] close(28 [pid 313] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1846] mkdirat(AT_FDCWD, "./config", 0777 [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./314/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1846] <... mkdirat resumed>) = 0 [pid 1845] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1846] mount(NULL, "./config", "configfs", 0, NULL [pid 1845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./314/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 1846] <... mount resumed>) = 0 [pid 1846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1845] exit_group(0 [pid 1846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1845] <... exit_group resumed>) = ? [pid 310] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] unlink("./314/binderfs" [pid 1846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1845] +++ exited with 0 +++ [pid 1846] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1846] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] umount2("./314/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./301/config" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1846] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1846] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] newfstatat(AT_FDCWD, "./314/cgroup.net" [pid 309] <... restart_syscall resumed>) = 0 [pid 1846] <... unlinkat resumed>) = 0 [pid 310] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1846] close(3) = -1 EBADF (Bad file descriptor) [pid 1846] close(4) = -1 EBADF (Bad file descriptor) [pid 1846] close(5) = -1 EBADF (Bad file descriptor) [pid 1846] close(6) = -1 EBADF (Bad file descriptor) [pid 1846] close(7) = -1 EBADF (Bad file descriptor) [pid 1846] close(8 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./314/cgroup.net" [pid 310] openat(AT_FDCWD, "./301/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1846] close(9) = -1 EBADF (Bad file descriptor) [pid 1846] close(10) = -1 EBADF (Bad file descriptor) [pid 1846] close(11) = -1 EBADF (Bad file descriptor) [pid 1846] close(12) = -1 EBADF (Bad file descriptor) [pid 1846] close(13 [pid 310] <... openat resumed>) = 4 [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1846] close(14 [pid 313] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 309] umount2("./297", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./314/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1846] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./314/cgroup.cpu" [pid 309] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1846] close(16 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 3 [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./314/cgroup.cpu" [pid 310] getdents64(4 [pid 309] fstat(3 [pid 1846] close(17) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1846] close(18 [pid 313] umount2("./314/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1846] close(19) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 1846] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./314/cgroup" [pid 310] <... close resumed>) = 0 [pid 1846] close(21 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] rmdir("./301/config" [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./314/cgroup" [pid 1846] close(22 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./301/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1846] close(23 [pid 313] getdents64(3 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1846] close(24 [pid 313] close(3 [pid 310] newfstatat(AT_FDCWD, "./301/binderfs" [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] umount2("./305", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1846] close(25 [pid 313] rmdir("./314" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./297/config" [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./301/binderfs" [pid 1846] close(26 [pid 313] mkdir("./315", 0777 [pid 311] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1846] close(27 [pid 313] <... mkdir resumed>) = 0 [pid 311] fstat(3 [pid 309] umount2("./297/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./301/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1846] close(28 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./297/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1846] close(29) = -1 EBADF (Bad file descriptor) [pid 1846] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 1847 attached ) = ? [pid 311] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./301/cgroup.net" [pid 1847] set_robust_list(0x55555bb49760, 24 [pid 1846] +++ exited with 0 +++ [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 317 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 1847] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... umount2 resumed>) = 0 [pid 310] unlink("./301/cgroup.net" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(4 [pid 1847] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1847] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./301/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1847] chdir("./315" [pid 309] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./305/config" [pid 1847] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./301/cgroup.cpu" [pid 309] getdents64(4 [pid 1847] <... prctl resumed>) = 0 [pid 311] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1847] setpgid(0, 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./301/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1847] <... setpgid resumed>) = 0 [pid 311] openat(AT_FDCWD, "./305/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... unlink resumed>) = 0 [pid 309] close(4 [pid 1847] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 311] <... openat resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 310] umount2("./301/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1847] <... symlink resumed>) = 0 [pid 309] rmdir("./297/config" [pid 1847] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 311] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1847] <... symlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1847] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 310] newfstatat(AT_FDCWD, "./301/cgroup" [pid 309] umount2("./297/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1847] <... symlink resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] unlink("./301/cgroup" [pid 309] newfstatat(AT_FDCWD, "./297/binderfs" [pid 1847] <... openat resumed>) = 3 [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1847] write(3, "1000", 4 [pid 310] getdents64(3 [pid 311] close(4 [pid 309] unlink("./297/binderfs" [pid 1847] <... write resumed>) = 4 [pid 311] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] rmdir("./305/config" [pid 309] <... unlink resumed>) = 0 [pid 310] close(3 [pid 1847] close(3 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./297/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./305/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1847] <... close resumed>) = 0 [pid 310] rmdir("./301" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1847] symlink("/dev/binderfs", "./binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./297/cgroup.net" [pid 1847] <... symlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./305/binderfs" [pid 310] mkdir("./302", 0777 [pid 1847] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1847] <... write resumed>) = 18 [pid 311] unlink("./305/binderfs" [pid 309] unlink("./297/cgroup.net" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1847] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 311] umount2("./305/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1847] <... mkdirat resumed>) = 0 [pid 309] umount2("./297/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1847] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1848 attached executing program [pid 311] newfstatat(AT_FDCWD, "./305/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./297/cgroup.cpu" [pid 1848] set_robust_list(0x55555bb49760, 24 [pid 1847] <... mount resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 304 [pid 1848] <... set_robust_list resumed>) = 0 [pid 1847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] unlink("./305/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1848] rt_sigprocmask(SIG_SETMASK, [] [pid 1847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1848] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] umount2("./305/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./297/cgroup.cpu" [pid 1848] chdir("./302" [pid 1847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1848] <... chdir resumed>) = 0 [pid 1847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./305/cgroup.cpu" [pid 1848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1847] <... mkdirat resumed>) = 0 [pid 309] umount2("./297/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1848] <... prctl resumed>) = 0 [pid 1847] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1848] setpgid(0, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1848] <... setpgid resumed>) = 0 [pid 1847] <... symlinkat resumed>) = 0 [pid 1848] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 311] unlink("./305/cgroup.cpu" [pid 1847] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] newfstatat(AT_FDCWD, "./297/cgroup" [pid 1848] <... symlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1848] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1847] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./305/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1848] <... symlink resumed>) = 0 [pid 1847] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] unlink("./297/cgroup" [pid 1848] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1848] <... symlink resumed>) = 0 [pid 1847] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1847] close(3 [pid 311] newfstatat(AT_FDCWD, "./305/cgroup" [pid 309] getdents64(3 [pid 1848] <... openat resumed>) = 3 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1848] write(3, "1000", 4 [pid 1847] close(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1848] <... write resumed>) = 4 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./305/cgroup" [pid 309] close(3 [pid 1848] close(3 [pid 1847] close(5 [pid 1848] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1848] symlink("/dev/binderfs", "./binderfs" executing program [pid 311] getdents64(3 [pid 1847] close(6 [pid 309] rmdir("./297" [pid 1848] <... symlink resumed>) = 0 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1848] write(1, "executing program\n", 18 [pid 1847] close(7 [pid 311] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 1848] <... write resumed>) = 18 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] mkdir("./298", 0777 [pid 1848] mkdirat(AT_FDCWD, "./config", 0777 [pid 1847] close(8 [pid 311] rmdir("./305" [pid 1848] <... mkdirat resumed>) = 0 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 1848] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... rmdir resumed>) = 0 [pid 1847] close(9 [pid 1848] <... mount resumed>) = 0 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 311] mkdir("./306", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1848] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1847] close(10 [pid 1848] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1848] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1847] close(11 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1848] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./310", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1848] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1848] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 1849 attached ) = 0 [pid 1847] close(12 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1849] set_robust_list(0x55555bb49760, 24 [pid 1848] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... set_robust_list resumed>) = 0 [pid 1848] <... unlinkat resumed>) = 0 [pid 312] openat(AT_FDCWD, "./310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-5-15/strace-static-x86_64: Process 1850 attached [pid 1849] rt_sigprocmask(SIG_SETMASK, [] [pid 1848] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1847] close(13 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 300 [pid 1850] set_robust_list(0x55555bb49760, 24 [pid 1849] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1848] <... unlinkat resumed>) = 0 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 308 [pid 1850] <... set_robust_list resumed>) = 0 [pid 1849] chdir("./298" [pid 1848] close(3 [pid 1847] close(14 [pid 312] fstat(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1850] rt_sigprocmask(SIG_SETMASK, [] [pid 1849] <... chdir resumed>) = 0 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1850] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1848] close(4 [pid 1847] close(15 [pid 312] getdents64(3 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1850] chdir("./306" [pid 1849] <... prctl resumed>) = 0 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1850] <... chdir resumed>) = 0 [pid 1849] setpgid(0, 0 [pid 1848] close(5 [pid 1847] close(16 [pid 312] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1849] <... setpgid resumed>) = 0 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1850] <... prctl resumed>) = 0 [pid 1849] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1848] close(6 [pid 312] <... umount2 resumed>) = 0 [pid 1850] setpgid(0, 0 [pid 1849] <... symlink resumed>) = 0 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] close(17 [pid 312] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1850] <... setpgid resumed>) = 0 [pid 1849] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1848] close(7 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1850] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1849] <... symlink resumed>) = 0 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1850] <... symlink resumed>) = 0 [pid 1849] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1848] close(8 [pid 1847] close(18 [pid 312] newfstatat(AT_FDCWD, "./310/config" [pid 1850] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1849] <... symlink resumed>) = 0 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1850] <... symlink resumed>) = 0 [pid 1849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1848] close(9 [pid 1847] close(19 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1850] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1849] <... openat resumed>) = 3 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1850] <... symlink resumed>) = 0 [pid 1849] write(3, "1000", 4 [pid 1848] close(10 [pid 1847] close(20 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1849] <... write resumed>) = 4 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./310/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1850] <... openat resumed>) = 3 [pid 1849] close(3 [pid 1848] close(11 [pid 1847] close(21 [pid 1850] write(3, "1000", 4 [pid 1849] <... close resumed>) = 0 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1850] <... write resumed>) = 4 [pid 1849] symlink("/dev/binderfs", "./binderfs" [pid 1848] close(12 [pid 1847] close(22 [pid 312] fstat(4 [pid 1850] close(3 [pid 1849] <... symlink resumed>) = 0 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1850] <... close resumed>) = 0 [pid 1849] write(1, "executing program\n", 18 [pid 1848] close(13 executing program [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1850] symlink("/dev/binderfs", "./binderfs" [pid 1849] <... write resumed>) = 18 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] close(23 [pid 312] getdents64(4 [pid 1850] <... symlink resumed>) = 0 [pid 1849] mkdirat(AT_FDCWD, "./config", 0777 [pid 1848] close(14 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1850] write(1, "executing program\n", 18 [pid 1849] <... mkdirat resumed>) = 0 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1847] close(24 [pid 312] getdents64(4 [pid 1850] <... write resumed>) = 18 [pid 1849] mount(NULL, "./config", "configfs", 0, NULL [pid 1848] close(15 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1850] mkdirat(AT_FDCWD, "./config", 0777 [pid 1849] <... mount resumed>) = 0 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] close(25 [pid 312] close(4 [pid 1850] <... mkdirat resumed>) = 0 [pid 1849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1848] close(16 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1850] mount(NULL, "./config", "configfs", 0, NULL [pid 1849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] close(26 [pid 312] <... close resumed>) = 0 [pid 1850] <... mount resumed>) = 0 [pid 1849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1848] close(17 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./310/config" [pid 1850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] close(27 [pid 1850] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1848] close(18 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1849] <... mkdirat resumed>) = 0 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] close(28 [pid 1850] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1849] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1848] close(19 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./310/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1849] <... symlinkat resumed>) = 0 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] close(29 [pid 1850] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1849] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1848] close(20 [pid 1847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1850] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1849] <... unlinkat resumed>) = 0 [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1848] close(21 [pid 1847] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./310/binderfs" [pid 1850] <... symlinkat resumed>) = 0 [pid 1849] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1847] <... exit_group resumed>) = ? [pid 1850] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1849] close(3 [pid 1848] close(22 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] close(4 [pid 1848] close(23 [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] close(5 [pid 1848] close(24 [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] close(6 [pid 1848] close(25 [pid 1847] +++ exited with 0 +++ [pid 1850] <... unlinkat resumed>) = 0 [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./310/binderfs" [pid 1850] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1849] close(7 [pid 1848] close(26 [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1850] <... unlinkat resumed>) = 0 [pid 1849] close(8 [pid 1848] close(27 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./310/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1850] close(3 [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./315", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] close(9 [pid 1848] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1850] close(4 [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./310/cgroup.net" [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] close(10 [pid 1848] close(29 [pid 313] openat(AT_FDCWD, "./315", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1850] close(5 [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] unlink("./310/cgroup.net" [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] close(11 [pid 1848] exit_group(0 [pid 313] fstat(3 [pid 1850] close(6 [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1848] <... exit_group resumed>) = ? [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] close(12 [pid 1848] +++ exited with 0 +++ [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] close(13) = -1 EBADF (Bad file descriptor) [pid 1849] close(14) = -1 EBADF (Bad file descriptor) [pid 1849] close(15) = -1 EBADF (Bad file descriptor) [pid 1849] close(16) = -1 EBADF (Bad file descriptor) [pid 1849] close(17) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1850] close(7 [pid 1849] close(18 [pid 312] umount2("./310/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1850] close(8 [pid 1849] close(19 [pid 312] newfstatat(AT_FDCWD, "./310/cgroup.cpu" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1850] close(9 [pid 1849] close(20 [pid 313] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] unlink("./310/cgroup.cpu" [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1850] close(10 [pid 1849] close(21 [pid 313] newfstatat(AT_FDCWD, "./315/config" [pid 312] <... unlink resumed>) = 0 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./310/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1850] close(11 [pid 1849] close(22 [pid 313] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1850] close(12 [pid 1849] close(23 [pid 313] openat(AT_FDCWD, "./315/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./310/cgroup" [pid 1850] close(13 [pid 1849] close(24 [pid 313] <... openat resumed>) = 4 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./302", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1850] close(14 [pid 1849] close(25 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] unlink("./310/cgroup" [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1850] close(15 [pid 1849] close(26 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] getdents64(3 [pid 1850] close(16 [pid 1849] close(27 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 3 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] close(3 [pid 310] fstat(3 [pid 1850] close(17 [pid 1849] close(28 [pid 313] <... close resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./315/config" [pid 312] rmdir("./310" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1850] close(18 [pid 1849] close(29 [pid 313] <... rmdir resumed>) = 0 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./315/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 1850] close(19 [pid 1849] exit_group(0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] mkdir("./311", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1849] <... exit_group resumed>) = ? [pid 313] newfstatat(AT_FDCWD, "./315/binderfs" [pid 1850] close(20 [pid 1849] +++ exited with 0 +++ [pid 312] <... mkdir resumed>) = 0 [pid 310] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1850] close(21 [pid 313] unlink("./315/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1850] close(22 [pid 313] umount2("./315/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1850] close(23 [pid 310] newfstatat(AT_FDCWD, "./302/config" [pid 313] newfstatat(AT_FDCWD, "./315/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1851 attached [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1851] set_robust_list(0x55555bb49760, 24 [pid 1850] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 313 [pid 310] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1851] <... set_robust_list resumed>) = 0 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./315/cgroup.net" [pid 1851] rt_sigprocmask(SIG_SETMASK, [] [pid 1850] close(25 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1851] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./302/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1851] chdir("./311" [pid 1850] close(26 [pid 313] umount2("./315/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1851] <... chdir resumed>) = 0 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1850] close(27 [pid 313] newfstatat(AT_FDCWD, "./315/cgroup.cpu" [pid 310] fstat(4 [pid 1851] <... prctl resumed>) = 0 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1851] setpgid(0, 0 [pid 1850] close(28 [pid 313] unlink("./315/cgroup.cpu" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1851] <... setpgid resumed>) = 0 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1851] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... unlink resumed>) = 0 [pid 1850] close(29 [pid 310] getdents64(4 [pid 1851] <... symlink resumed>) = 0 [pid 1850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./315/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1851] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1851] <... symlink resumed>) = 0 [pid 1850] exit_group(0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1851] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 310] getdents64(4 [pid 1851] <... symlink resumed>) = 0 [pid 1850] <... exit_group resumed>) = ? [pid 313] newfstatat(AT_FDCWD, "./315/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1851] write(3, "1000", 4) = 4 [pid 1851] close(3) = 0 [pid 1851] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1850] +++ exited with 0 +++ [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 1851] write(1, "executing program\n", 18 executing program [pid 313] unlink("./315/cgroup" [pid 310] <... close resumed>) = 0 [pid 1851] <... write resumed>) = 18 [pid 1851] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... unlink resumed>) = 0 [pid 310] rmdir("./302/config" [pid 1851] <... mkdirat resumed>) = 0 [pid 313] getdents64(3 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1851] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rmdir resumed>) = 0 [pid 1851] <... mount resumed>) = 0 [pid 313] close(3 [pid 310] umount2("./302/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./298", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1851] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rmdir("./315" [pid 311] <... restart_syscall resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./302/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 1851] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] mkdir("./316", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... mkdir resumed>) = 0 [pid 310] unlink("./302/binderfs" [pid 1851] <... mkdirat resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./306", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 1851] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1851] <... symlinkat resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./302/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1851] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1851] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-5-15/strace-static-x86_64: Process 1852 attached ) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1852] set_robust_list(0x55555bb49760, 24 [pid 1851] close(3 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 318 [pid 311] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./302/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1852] <... set_robust_list resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1852] rt_sigprocmask(SIG_SETMASK, [] [pid 1851] close(4 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] getdents64(3 [pid 310] unlink("./302/cgroup.net" [pid 1852] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1852] chdir("./316" [pid 1851] close(5 [pid 311] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./302/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1852] <... chdir resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1851] close(6 [pid 311] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./302/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1852] <... prctl resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./298/config" [pid 1852] setpgid(0, 0 [pid 1851] close(7 [pid 311] newfstatat(AT_FDCWD, "./306/config" [pid 310] unlink("./302/cgroup.cpu" [pid 1852] <... setpgid resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1852] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1851] close(8 [pid 311] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./298/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1852] <... symlink resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./302/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1852] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1851] close(9 [pid 311] openat(AT_FDCWD, "./306/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1852] <... symlink resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./298/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1852] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1851] close(10 [pid 311] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./302/cgroup" [pid 1852] <... symlink resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 1852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1851] close(11 [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 1852] <... openat resumed>) = 3 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] unlink("./302/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1852] write(3, "1000", 4 [pid 1851] close(12 [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 1852] <... write resumed>) = 4 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] getdents64(4 [pid 1852] close(3 [pid 1851] close(13 [pid 311] close(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1852] <... close resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] close(3 [pid 309] getdents64(4 [pid 1852] symlink("/dev/binderfs", "./binderfs" [pid 1851] close(14 [pid 311] rmdir("./306/config" [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1852] <... symlink resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1852] write(1, "executing program\n", 18 executing program [pid 1851] close(15 [pid 1852] <... write resumed>) = 18 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] rmdir("./302" [pid 309] close(4 [pid 1852] mkdirat(AT_FDCWD, "./config", 0777 [pid 1851] close(16 [pid 311] umount2("./306/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1852] <... mkdirat resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1852] mount(NULL, "./config", "configfs", 0, NULL [pid 1851] close(17 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./303", 0777 [pid 309] rmdir("./298/config" [pid 1852] <... mount resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./306/binderfs" [pid 1852] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1851] close(18 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1852] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1852] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1851] close(19 [pid 311] unlink("./306/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./298/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1852] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1852] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1851] close(20 [pid 311] umount2("./306/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1853 attached [pid 1852] <... mkdirat resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./298/binderfs" [pid 1853] set_robust_list(0x55555bb49760, 24 [pid 1852] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1851] close(21 [pid 311] newfstatat(AT_FDCWD, "./306/cgroup.net" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 305 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1853] <... set_robust_list resumed>) = 0 [pid 1852] <... symlinkat resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1853] rt_sigprocmask(SIG_SETMASK, [] [pid 1852] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1851] close(22 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./298/binderfs" [pid 1853] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1852] <... unlinkat resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./306/cgroup.net" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1853] chdir("./303" [pid 1852] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1851] close(23 [pid 309] <... unlink resumed>) = 0 [pid 1853] <... chdir resumed>) = 0 [pid 1852] <... unlinkat resumed>) = 0 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./298/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1852] close(3 [pid 1851] close(24 [pid 311] umount2("./306/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1853] <... prctl resumed>) = 0 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1853] setpgid(0, 0 [pid 1852] close(4 [pid 1851] close(25 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./298/cgroup.net" [pid 1853] <... setpgid resumed>) = 0 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./306/cgroup.cpu" [pid 1853] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1852] close(5 [pid 1851] close(26 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1853] <... symlink resumed>) = 0 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./298/cgroup.net" [pid 1853] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1852] close(6 [pid 1851] close(27 [pid 311] unlink("./306/cgroup.cpu" [pid 1853] <... symlink resumed>) = 0 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1853] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1852] close(7 [pid 1851] close(28 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./298/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1853] <... symlink resumed>) = 0 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./306/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1852] close(8 [pid 1851] close(29 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1853] <... openat resumed>) = 3 [pid 1851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./298/cgroup.cpu" [pid 1853] write(3, "1000", 4 [pid 1852] close(9 [pid 1851] exit_group(0 [pid 311] newfstatat(AT_FDCWD, "./306/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1853] <... write resumed>) = 4 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1851] <... exit_group resumed>) = ? [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./298/cgroup.cpu" [pid 1853] close(3 [pid 1852] close(10 [pid 1851] +++ exited with 0 +++ [pid 311] unlink("./306/cgroup" [pid 1853] <... close resumed>) = 0 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1853] symlink("/dev/binderfs", "./binderfs" [pid 1852] close(11 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./298/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1853] <... symlink resumed>) = 0 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] getdents64(3 [pid 1853] write(1, "executing program\n", 18 [pid 1852] close(12 executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1853] <... write resumed>) = 18 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 309] newfstatat(AT_FDCWD, "./298/cgroup" [pid 1852] close(13 [pid 1853] mkdirat(AT_FDCWD, "./config", 0777 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1852] close(14 [pid 312] <... restart_syscall resumed>) = 0 [pid 1853] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1853] mount(NULL, "./config", "configfs", 0, NULL [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./306" [pid 309] unlink("./298/cgroup" [pid 1852] close(15 [pid 1853] <... mount resumed>) = 0 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1852] close(16 [pid 311] <... rmdir resumed>) = 0 [pid 1853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./311", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] mkdir("./307", 0777 [pid 309] <... unlink resumed>) = 0 [pid 1853] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1852] close(17 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 1853] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1852] close(18 [pid 312] openat(AT_FDCWD, "./311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] close(3 [pid 1852] close(19) = -1 EBADF (Bad file descriptor) [pid 1853] <... mkdirat resumed>) = 0 [pid 1852] close(20 [pid 312] fstat(3 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... close resumed>) = 0 [pid 1853] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1852] close(21) = -1 EBADF (Bad file descriptor) [pid 1852] close(22) = -1 EBADF (Bad file descriptor) [pid 1852] close(23) = -1 EBADF (Bad file descriptor) [pid 1852] close(24) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1854 attached [pid 1852] close(25 [pid 312] getdents64(3 [pid 309] rmdir("./298" [pid 1854] set_robust_list(0x55555bb49760, 24 [pid 1853] <... symlinkat resumed>) = 0 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 309 [pid 1854] <... set_robust_list resumed>) = 0 [pid 1853] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1852] close(26 [pid 312] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1854] rt_sigprocmask(SIG_SETMASK, [] [pid 1853] <... unlinkat resumed>) = 0 [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1854] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1853] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1852] close(27 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./299", 0777 [pid 1854] chdir("./307" [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1853] <... unlinkat resumed>) = 0 [pid 312] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 1854] <... chdir resumed>) = 0 [pid 1853] close(3 [pid 1852] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./311/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1854] <... prctl resumed>) = 0 [pid 1853] close(4 [pid 1852] close(29 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1854] setpgid(0, 0 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1854] <... setpgid resumed>) = 0 [pid 1852] exit_group(0 [pid 1854] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1852] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1855 attached [pid 1854] <... symlink resumed>) = 0 [pid 1853] close(5 [pid 1852] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1855] set_robust_list(0x55555bb49760, 24 [pid 1854] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./311/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 301 [pid 1855] <... set_robust_list resumed>) = 0 [pid 1854] <... symlink resumed>) = 0 [pid 1853] close(6 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... openat resumed>) = 4 [pid 1855] rt_sigprocmask(SIG_SETMASK, [] [pid 1854] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] fstat(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1855] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1854] <... symlink resumed>) = 0 [pid 1853] close(7 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1855] chdir("./299" [pid 1854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1855] <... chdir resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 1855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1854] <... openat resumed>) = 3 [pid 1853] close(8 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1855] <... prctl resumed>) = 0 [pid 1854] write(3, "1000", 4 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1855] setpgid(0, 0 [pid 1854] <... write resumed>) = 4 [pid 1853] close(9 [pid 312] getdents64(4 [pid 1855] <... setpgid resumed>) = 0 [pid 1854] close(3 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./316", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1855] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1854] <... close resumed>) = 0 [pid 1853] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] close(4 [pid 1855] <... symlink resumed>) = 0 [pid 1854] symlink("/dev/binderfs", "./binderfs" [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./316", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1855] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 312] <... close resumed>) = 0 [pid 1855] <... symlink resumed>) = 0 [pid 1854] <... symlink resumed>) = 0 [pid 1853] close(11 [pid 313] <... openat resumed>) = 3 [pid 312] rmdir("./311/config" [pid 1855] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1854] write(1, "executing program\n", 18 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 1855] <... symlink resumed>) = 0 [pid 1854] <... write resumed>) = 18 [pid 1853] close(12 [pid 312] <... rmdir resumed>) = 0 executing program [pid 1855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1855] <... openat resumed>) = 3 [pid 1854] mkdirat(AT_FDCWD, "./config", 0777 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./311/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1855] write(3, "1000", 4 [pid 1854] <... mkdirat resumed>) = 0 [pid 1853] close(13 [pid 313] getdents64(3 [pid 1855] <... write resumed>) = 4 [pid 1854] mount(NULL, "./config", "configfs", 0, NULL [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1855] close(3 [pid 1854] <... mount resumed>) = 0 [pid 1853] close(14 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] newfstatat(AT_FDCWD, "./311/binderfs" [pid 1855] <... close resumed>) = 0 [pid 1854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1855] symlink("/dev/binderfs", "./binderfs" [pid 1854] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1853] close(15 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1855] <... symlink resumed>) = 0 [pid 1854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 312] unlink("./311/binderfs" [pid 1855] write(1, "executing program\n", 18 [pid 1854] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1853] close(16 [pid 313] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1855] <... write resumed>) = 18 [pid 1854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 executing program [pid 1855] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1855] <... mkdirat resumed>) = 0 [pid 1854] <... mkdirat resumed>) = 0 [pid 1853] close(17 [pid 312] umount2("./311/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1855] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1854] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./316/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1854] <... symlinkat resumed>) = 0 [pid 1853] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./311/cgroup.net" [pid 1855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1854] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1855] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1854] <... unlinkat resumed>) = 0 [pid 1855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1853] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./311/cgroup.net" [pid 1855] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1854] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./316/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1855] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... unlink resumed>) = 0 [pid 1855] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1854] <... unlinkat resumed>) = 0 [pid 1853] close(20 [pid 313] <... openat resumed>) = 4 [pid 312] umount2("./311/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1855] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1854] close(3 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 1855] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1853] close(21 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1855] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1854] close(4 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] newfstatat(AT_FDCWD, "./311/cgroup.cpu" [pid 1855] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1853] close(22 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1855] close(3 [pid 1854] close(5 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] unlink("./311/cgroup.cpu" [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1853] close(23 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1855] close(4 [pid 1854] close(6 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] <... unlink resumed>) = 0 [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1853] close(24 [pid 313] <... close resumed>) = 0 [pid 312] umount2("./311/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1855] close(5 [pid 1854] close(7 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./316/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1853] close(25 [pid 1855] close(6 [pid 1854] close(8 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./311/cgroup" [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1853] close(26 [pid 313] umount2("./316/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1855] close(7 [pid 1854] close(9 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1853] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./311/cgroup" [pid 1855] close(8 [pid 1854] close(10 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./316/binderfs" [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1853] close(28 [pid 312] <... unlink resumed>) = 0 [pid 1855] close(9 [pid 1854] close(11 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(3 [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1853] close(29 [pid 313] unlink("./316/binderfs" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1855] close(10 [pid 1854] close(12 [pid 1853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] close(3 [pid 1855] close(11 [pid 1854] close(13 [pid 1853] exit_group(0 [pid 313] umount2("./316/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... close resumed>) = 0 [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1853] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./311" [pid 1855] close(12 [pid 1854] close(14 [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1855] close(13) = -1 EBADF (Bad file descriptor) [pid 1855] close(14) = -1 EBADF (Bad file descriptor) [pid 1855] close(15) = -1 EBADF (Bad file descriptor) [pid 1855] close(16) = -1 EBADF (Bad file descriptor) [pid 1855] close(17 [pid 1853] +++ exited with 0 +++ [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./316/cgroup.net" [pid 1855] close(18 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] mkdir("./312", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1855] close(19 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./316/cgroup.net" [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] close(16 [pid 313] <... unlink resumed>) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1855] close(20 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./316/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1855] close(21 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./316/cgroup.cpu" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1855] close(22) = -1 EBADF (Bad file descriptor) [pid 1855] close(23) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1856 attached [pid 1855] close(24 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./316/cgroup.cpu" [pid 1856] set_robust_list(0x55555bb49760, 24 [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] close(19 [pid 1856] <... set_robust_list resumed>) = 0 [pid 1855] close(25 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 314 [pid 1856] rt_sigprocmask(SIG_SETMASK, [] [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] close(20 [pid 313] umount2("./316/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1856] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1855] close(26 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1856] chdir("./312" [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1856] <... chdir resumed>) = 0 [pid 1855] close(27 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./316/cgroup" [pid 1856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] close(22 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1856] <... prctl resumed>) = 0 [pid 1855] close(28 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./316/cgroup" [pid 1856] setpgid(0, 0 [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] close(23 [pid 1856] <... setpgid resumed>) = 0 [pid 1855] close(29 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1856] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1854] close(24 [pid 313] getdents64(3 [pid 1856] <... symlink resumed>) = 0 [pid 1855] exit_group(0 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1856] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1855] <... exit_group resumed>) = ? [pid 1854] close(25 [pid 313] close(3 [pid 1856] <... symlink resumed>) = 0 [pid 1856] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 1856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1855] +++ exited with 0 +++ [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1856] write(3, "1000", 4 [pid 1854] close(26 [pid 1856] <... write resumed>) = 4 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./316" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1856] close(3 [pid 1854] close(27 [pid 1856] <... close resumed>) = 0 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1856] symlink("/dev/binderfs", "./binderfs" [pid 1854] close(28 [pid 313] mkdir("./317", 0777 [pid 1856] <... symlink resumed>) = 0 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1856] write(1, "executing program\n", 18) = 18 [pid 1854] close(29 [pid 313] <... mkdir resumed>) = 0 [pid 1856] mkdirat(AT_FDCWD, "./config", 0777 [pid 1854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1856] <... mkdirat resumed>) = 0 [pid 1856] mount(NULL, "./config", "configfs", 0, NULL [pid 1854] exit_group(0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1856] <... mount resumed>) = 0 [pid 1854] <... exit_group resumed>) = ? [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1856] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1854] +++ exited with 0 +++ [pid 1856] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1856] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-5-15/strace-static-x86_64: Process 1857 attached ) = 0 [pid 1857] set_robust_list(0x55555bb49760, 24 [pid 1856] close(3 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 319 [pid 1857] <... set_robust_list resumed>) = 0 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1857] rt_sigprocmask(SIG_SETMASK, [] [pid 1856] close(4 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1857] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] umount2("./307", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1857] chdir("./317" [pid 1856] close(5 [pid 1857] <... chdir resumed>) = 0 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1856] close(6 [pid 1857] <... prctl resumed>) = 0 [pid 311] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1857] setpgid(0, 0) = 0 [pid 1856] close(7 [pid 311] <... openat resumed>) = 3 [pid 1857] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1857] <... symlink resumed>) = 0 [pid 1856] close(8 [pid 311] fstat(3 [pid 1857] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1857] <... symlink resumed>) = 0 [pid 1856] close(9 [pid 309] <... restart_syscall resumed>) = 0 [pid 1857] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 310] umount2("./303", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1857] <... symlink resumed>) = 0 [pid 1856] close(10 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1856] close(11 [pid 310] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./299", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1857] <... openat resumed>) = 3 [pid 1856] close(12 [pid 311] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1857] write(3, "1000", 4 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1857] <... write resumed>) = 4 [pid 1856] close(13 [pid 311] newfstatat(AT_FDCWD, "./307/config" [pid 309] <... openat resumed>) = 3 [pid 1857] close(3 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 1857] <... close resumed>) = 0 [pid 1856] close(14 [pid 311] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1857] symlink("/dev/binderfs", "./binderfs" [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1857] <... symlink resumed>) = 0 [pid 1856] close(15 [pid 311] openat(AT_FDCWD, "./307/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1857] write(1, "executing program\n", 18 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1857] <... write resumed>) = 18 [pid 1856] close(16 [pid 311] <... openat resumed>) = 4 [pid 310] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1857] mkdirat(AT_FDCWD, "./config", 0777 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 executing program [pid 309] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1857] <... mkdirat resumed>) = 0 [pid 1856] close(17 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1857] mount(NULL, "./config", "configfs", 0, NULL [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./303/config" [pid 309] <... umount2 resumed>) = 0 [pid 1857] <... mount resumed>) = 0 [pid 1856] close(18 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1857] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1856] close(19 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1857] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1856] close(20 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 1857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./307/config" [pid 310] openat(AT_FDCWD, "./303/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./299/config" [pid 1857] <... mkdirat resumed>) = 0 [pid 1856] close(21 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1857] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./307/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 309] umount2("./299/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1857] <... symlinkat resumed>) = 0 [pid 1856] close(22 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1857] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] newfstatat(AT_FDCWD, "./307/binderfs" [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./299/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1856] close(23 [pid 1857] <... unlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1857] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./307/binderfs" [pid 310] getdents64(4 [pid 309] <... openat resumed>) = 4 [pid 1857] <... unlinkat resumed>) = 0 [pid 1856] close(24 [pid 311] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1857] close(3 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./307/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 309] fstat(4 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1856] close(25 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1857] close(4 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./307/cgroup.net" [pid 310] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1856] close(26 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./303/config" [pid 309] getdents64(4 [pid 1857] close(5 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./307/cgroup.net" [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1856] close(27 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1857] close(6 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./303/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1856] close(28 [pid 311] umount2("./307/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1857] close(7 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./303/binderfs" [pid 309] close(4 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1856] close(29 [pid 311] newfstatat(AT_FDCWD, "./307/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1857] close(8 [pid 1856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./303/binderfs" [pid 309] <... close resumed>) = 0 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1856] exit_group(0 [pid 311] unlink("./307/cgroup.cpu" [pid 1857] close(9 [pid 1856] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./299/config" [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1856] +++ exited with 0 +++ [pid 310] umount2("./303/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1857] close(10 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./307/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./303/cgroup.net" [pid 309] umount2("./299/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1857] close(11 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./307/cgroup" [pid 310] unlink("./303/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1857] close(12 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./299/binderfs" [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./307/cgroup" [pid 310] umount2("./303/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1857] close(13 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1857] close(14 [pid 310] newfstatat(AT_FDCWD, "./303/cgroup.cpu" [pid 309] unlink("./299/binderfs" [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1857] close(15 [pid 311] close(3 [pid 309] <... unlink resumed>) = 0 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] unlink("./303/cgroup.cpu" [pid 309] umount2("./299/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1857] close(16 [pid 311] rmdir("./307" [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1857] close(17 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./303/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./299/cgroup.net" [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] mkdir("./308", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1857] close(18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./303/cgroup" [pid 309] unlink("./299/cgroup.net" [pid 1857] close(19 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./303/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1857] close(20 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./299/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1858 attached [pid 1857] close(21 [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1858] set_robust_list(0x55555bb49760, 24 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 310 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./299/cgroup.cpu" [pid 1858] <... set_robust_list resumed>) = 0 [pid 1857] close(22 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(3 [pid 1858] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1858] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1858] chdir("./308") = 0 [pid 1858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1858] setpgid(0, 0) = 0 [pid 1858] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./299/cgroup.cpu" [pid 1858] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1857] close(23 [pid 310] rmdir("./303" [pid 1858] <... symlink resumed>) = 0 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1858] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1857] close(24 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./299/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1858] <... symlink resumed>) = 0 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./304", 0777 [pid 1858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1857] close(25 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1858] <... openat resumed>) = 3 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./299/cgroup" [pid 1858] write(3, "1000", 4 [pid 1857] close(26 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1858] <... write resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1858] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1857] close(27 [pid 309] unlink("./299/cgroup" [pid 1858] <... close resumed>) = 0 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1858] symlink("/dev/binderfs", "./binderfs" [pid 1857] close(28 [pid 309] <... unlink resumed>) = 0 [pid 1858] <... symlink resumed>) = 0 [pid 1858] write(1, "executing program\n", 18) = 18 ci2-android-5-15/strace-static-x86_64: Process 1859 attached executing program [pid 1858] mkdirat(AT_FDCWD, "./config", 0777 [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 1859] set_robust_list(0x55555bb49760, 24 [pid 1858] <... mkdirat resumed>) = 0 [pid 1857] close(29 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 306 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1859] <... set_robust_list resumed>) = 0 [pid 1858] mount(NULL, "./config", "configfs", 0, NULL [pid 1857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1858] <... mount resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(3 [pid 1859] rt_sigprocmask(SIG_SETMASK, [] [pid 1858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1857] exit_group(0 [pid 312] umount2("./312", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1859] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1858] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1857] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./299" [pid 1859] chdir("./304" [pid 1858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1858] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1857] +++ exited with 0 +++ [pid 312] openat(AT_FDCWD, "./312", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 1859] <... chdir resumed>) = 0 [pid 1858] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1858] <... unlinkat resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 309] mkdir("./300", 0777 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1859] <... prctl resumed>) = 0 [pid 1858] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] fstat(3 [pid 1859] setpgid(0, 0 [pid 1858] <... unlinkat resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1859] <... setpgid resumed>) = 0 [pid 1858] close(3 [pid 312] getdents64(3 [pid 1859] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1858] close(4 [pid 1859] <... symlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1859] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1859] <... symlink resumed>) = 0 [pid 1858] close(5 [pid 1859] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1859] <... symlink resumed>) = 0 [pid 1858] close(6 [pid 312] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1858] close(7) = -1 EBADF (Bad file descriptor) [pid 1858] close(8) = -1 EBADF (Bad file descriptor) [pid 1858] close(9ci2-android-5-15/strace-static-x86_64: Process 1860 attached [pid 1859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1860] set_robust_list(0x55555bb49760, 24 [pid 1858] close(10 [pid 1860] <... set_robust_list resumed>) = 0 [pid 1859] <... openat resumed>) = 3 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./312/config" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 302 [pid 1860] rt_sigprocmask(SIG_SETMASK, [] [pid 1859] write(3, "1000", 4 [pid 1858] close(11 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1860] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1859] <... write resumed>) = 4 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1860] chdir("./300" [pid 1859] close(3 [pid 1858] close(12 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1860] <... chdir resumed>) = 0 [pid 1859] <... close resumed>) = 0 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./312/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1859] symlink("/dev/binderfs", "./binderfs" [pid 1858] close(13 [pid 313] <... restart_syscall resumed>) = 0 [pid 1860] <... prctl resumed>) = 0 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1859] <... symlink resumed>) = 0 [pid 1860] setpgid(0, 0 [pid 1858] close(14 [pid 1859] write(1, "executing program\n", 18 [pid 312] fstat(4 [pid 1860] <... setpgid resumed>) = 0 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1860] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1859] <... write resumed>) = 18 [pid 1858] close(15 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1860] <... symlink resumed>) = 0 [pid 1859] mkdirat(AT_FDCWD, "./config", 0777 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./317", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 1860] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1859] <... mkdirat resumed>) = 0 [pid 1858] close(16 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1860] <... symlink resumed>) = 0 [pid 1859] mount(NULL, "./config", "configfs", 0, NULL [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./317", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] getdents64(4 [pid 1860] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1858] close(17 [pid 1860] <... symlink resumed>) = 0 [pid 1859] <... mount resumed>) = 0 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1858] close(18 [pid 313] fstat(3 [pid 312] close(4 [pid 1860] <... openat resumed>) = 3 [pid 1859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1860] write(3, "1000", 4 [pid 1859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1858] close(19 [pid 312] <... close resumed>) = 0 [pid 313] getdents64(3 [pid 1860] <... write resumed>) = 4 [pid 1859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./312/config" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1860] close(3 [pid 1859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1858] close(20 [pid 312] <... rmdir resumed>) = 0 [pid 1860] <... close resumed>) = 0 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1860] symlink("/dev/binderfs", "./binderfs" [pid 1859] <... mkdirat resumed>) = 0 [pid 1858] close(21 [pid 312] umount2("./312/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1860] <... symlink resumed>) = 0 [pid 1859] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1860] write(1, "executing program\n", 18 [pid 1859] <... symlinkat resumed>) = 0 [pid 1858] close(22 [pid 313] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1860] <... write resumed>) = 18 executing program [pid 1859] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./312/binderfs" [pid 1860] mkdirat(AT_FDCWD, "./config", 0777 [pid 1859] <... unlinkat resumed>) = 0 [pid 1858] close(23 [pid 313] newfstatat(AT_FDCWD, "./317/config" [pid 1860] <... mkdirat resumed>) = 0 [pid 1859] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1860] mount(NULL, "./config", "configfs", 0, NULL [pid 1859] <... unlinkat resumed>) = 0 [pid 1858] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./312/binderfs" [pid 1860] <... mount resumed>) = 0 [pid 1859] close(3 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1858] close(25 [pid 312] <... unlink resumed>) = 0 [pid 1860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1859] close(4 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./312/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1858] close(26 [pid 313] openat(AT_FDCWD, "./317/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1859] close(5 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1858] close(27 [pid 312] newfstatat(AT_FDCWD, "./312/cgroup.net" [pid 1860] <... mkdirat resumed>) = 0 [pid 1859] close(6 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1860] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1858] close(28 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] unlink("./312/cgroup.net" [pid 1860] <... symlinkat resumed>) = 0 [pid 1859] close(7 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1860] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1858] close(29 [pid 312] <... unlink resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1860] <... unlinkat resumed>) = 0 [pid 1859] close(8 [pid 1858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] umount2("./312/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1860] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1858] exit_group(0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1860] <... unlinkat resumed>) = 0 [pid 1859] close(9 [pid 1858] <... exit_group resumed>) = ? [pid 313] close(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1860] close(3 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1858] +++ exited with 0 +++ [pid 313] <... close resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./312/cgroup.cpu" [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] close(10 [pid 313] rmdir("./317/config" [pid 1860] close(4 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] close(11 [pid 313] <... rmdir resumed>) = 0 [pid 312] unlink("./312/cgroup.cpu" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1860] close(5 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./317/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] close(12 [pid 312] <... unlink resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1860] close(6 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./312/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] close(13 [pid 313] newfstatat(AT_FDCWD, "./317/binderfs" [pid 1860] close(7 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./312/cgroup" [pid 1860] close(8 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./317/binderfs" [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] close(15 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1860] close(9 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] unlink("./312/cgroup" [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] close(16 [pid 313] umount2("./317/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1860] close(10 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 1860] close(11 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./317/cgroup.net" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] close(18 [pid 1860] close(12) = -1 EBADF (Bad file descriptor) [pid 1860] close(13) = -1 EBADF (Bad file descriptor) [pid 1860] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./317/cgroup.net" [pid 312] close(3 [pid 1860] close(15 [pid 1859] close(19 [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 1860] close(16 [pid 1859] close(20 [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./317/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./312" [pid 1860] close(17 [pid 1859] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./317/cgroup.cpu" [pid 312] <... rmdir resumed>) = 0 [pid 1860] close(18 [pid 1859] close(22 [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] mkdir("./313", 0777 [pid 1860] close(19 [pid 1859] close(23 [pid 313] unlink("./317/cgroup.cpu" [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 1860] close(20 [pid 313] <... unlink resumed>) = 0 [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] close(24 [pid 313] umount2("./317/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1860] close(21 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] close(25 [pid 313] newfstatat(AT_FDCWD, "./317/cgroup" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... restart_syscall resumed>) = 0 [pid 1860] close(22 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1860] close(23) = -1 EBADF (Bad file descriptor) [pid 1860] close(24) = -1 EBADF (Bad file descriptor) [pid 1860] close(25) = -1 EBADF (Bad file descriptor) [pid 1860] close(26ci2-android-5-15/strace-static-x86_64: Process 1861 attached ) = -1 EBADF (Bad file descriptor) [pid 1859] close(26 [pid 313] unlink("./317/cgroup" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 315 [pid 1861] set_robust_list(0x55555bb49760, 24 [pid 1860] close(27 [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1861] <... set_robust_list resumed>) = 0 [pid 1860] close(28 [pid 1859] close(27 [pid 313] getdents64(3 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] umount2("./308", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1861] rt_sigprocmask(SIG_SETMASK, [] [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1861] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1860] close(29 [pid 1859] close(28 [pid 313] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1861] chdir("./313" [pid 1860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1861] <... chdir resumed>) = 0 [pid 1860] exit_group(0 [pid 1859] close(29 [pid 311] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1860] <... exit_group resumed>) = ? [pid 1859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./317" [pid 311] <... openat resumed>) = 3 [pid 1861] <... prctl resumed>) = 0 [pid 1860] +++ exited with 0 +++ [pid 1859] exit_group(0 [pid 313] <... rmdir resumed>) = 0 [pid 311] fstat(3 [pid 1861] setpgid(0, 0 [pid 1859] <... exit_group resumed>) = ? [pid 1861] <... setpgid resumed>) = 0 [pid 313] mkdir("./318", 0777 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1859] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1861] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] getdents64(3 [pid 313] <... mkdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1861] <... symlink resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1861] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1861] <... symlink resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1861] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] <... umount2 resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1862 attached [pid 311] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1862] set_robust_list(0x55555bb49760, 24 [pid 1861] <... symlink resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 320 [pid 1862] <... set_robust_list resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1862] rt_sigprocmask(SIG_SETMASK, [] [pid 1861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] newfstatat(AT_FDCWD, "./308/config" [pid 1862] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1862] chdir("./318" [pid 1861] <... openat resumed>) = 3 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./304", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1862] <... chdir resumed>) = 0 [pid 1861] write(3, "1000", 4 [pid 311] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1861] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1862] <... prctl resumed>) = 0 [pid 1861] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1862] setpgid(0, 0 [pid 1861] <... close resumed>) = 0 [pid 311] openat(AT_FDCWD, "./308/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1862] <... setpgid resumed>) = 0 [pid 1861] symlink("/dev/binderfs", "./binderfs" [pid 311] <... openat resumed>) = 4 [pid 1862] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 310] <... openat resumed>) = 3 [pid 1862] <... symlink resumed>) = 0 [pid 1861] <... symlink resumed>) = 0 [pid 311] fstat(4 [pid 310] fstat(3 [pid 1862] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1861] write(1, "executing program\n", 18 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 executing program [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1862] <... symlink resumed>) = 0 [pid 1861] <... write resumed>) = 18 [pid 311] getdents64(4 [pid 1862] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 310] getdents64(3 [pid 1862] <... symlink resumed>) = 0 [pid 1861] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1861] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... restart_syscall resumed>) = 0 [pid 1862] <... openat resumed>) = 3 [pid 311] getdents64(4 [pid 1862] write(3, "1000", 4) = 4 [pid 1862] close(3) = 0 [pid 1862] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1861] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1862] write(1, "executing program\n", 18) = 18 [pid 1861] <... mount resumed>) = 0 [pid 311] close(4 executing program [pid 1862] mkdirat(AT_FDCWD, "./config", 0777 [pid 1861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 1862] <... mkdirat resumed>) = 0 [pid 1861] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... close resumed>) = 0 [pid 310] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1862] mount(NULL, "./config", "configfs", 0, NULL [pid 1861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] rmdir("./308/config" [pid 309] umount2("./300", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1862] <... mount resumed>) = 0 [pid 1861] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... rmdir resumed>) = 0 [pid 1861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1862] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] umount2("./308/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./304/config" [pid 1862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1861] <... mkdirat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1861] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] newfstatat(AT_FDCWD, "./308/binderfs" [pid 310] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1862] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 3 [pid 1862] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1861] <... symlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1862] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1861] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1862] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] unlink("./308/binderfs" [pid 1862] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1861] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./304/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1862] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1861] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 1862] <... unlinkat resumed>) = 0 [pid 1861] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 311] umount2("./308/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 309] getdents64(3 [pid 1862] close(3 [pid 1861] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./308/cgroup.net" [pid 1862] close(4 [pid 1861] close(4 [pid 310] getdents64(4 [pid 309] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1862] close(5 [pid 1861] close(5 [pid 311] unlink("./308/cgroup.net" [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = 0 [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1862] close(6 [pid 1861] close(6 [pid 311] umount2("./308/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 1862] close(7 [pid 1861] close(7 [pid 311] newfstatat(AT_FDCWD, "./308/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1862] close(8 [pid 1861] close(8 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./304/config" [pid 309] newfstatat(AT_FDCWD, "./300/config" [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./308/cgroup.cpu" [pid 310] <... rmdir resumed>) = 0 [pid 1862] close(9 [pid 1861] close(9 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./304/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./300/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1862] close(10 [pid 1861] close(10 [pid 311] umount2("./308/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./304/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1862] close(11 [pid 1861] close(11 [pid 311] newfstatat(AT_FDCWD, "./308/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./300/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./304/binderfs" [pid 1862] close(12 [pid 1861] close(12 [pid 311] unlink("./308/cgroup" [pid 309] <... openat resumed>) = 4 [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 1862] close(13 [pid 1861] close(13 [pid 311] getdents64(3 [pid 310] umount2("./304/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1862] close(14 [pid 1861] close(14 [pid 311] close(3 [pid 310] newfstatat(AT_FDCWD, "./304/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1862] close(15 [pid 1861] close(15 [pid 311] rmdir("./308" [pid 310] unlink("./304/cgroup.net" [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1862] close(16 [pid 1861] close(16 [pid 311] mkdir("./309", 0777 [pid 310] umount2("./304/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1862] close(17 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1861] close(17 [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./304/cgroup.cpu" [pid 309] rmdir("./300/config" [pid 1862] close(18 [pid 1861] close(18 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] unlink("./304/cgroup.cpu" [pid 309] <... rmdir resumed>) = 0 [pid 1862] close(19 [pid 1861] close(19 [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1862] close(20) = -1 EBADF (Bad file descriptor) [pid 1862] close(21) = -1 EBADF (Bad file descriptor) [pid 1862] close(22) = -1 EBADF (Bad file descriptor) [pid 1862] close(23) = -1 EBADF (Bad file descriptor) [pid 1862] close(24) = -1 EBADF (Bad file descriptor) [pid 1862] close(25) = -1 EBADF (Bad file descriptor) [pid 1862] close(26) = -1 EBADF (Bad file descriptor) [pid 1862] close(27) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1863 attached [pid 1862] close(28 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 311 [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./300/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1863] set_robust_list(0x55555bb49760, 24 [pid 1862] close(29 [pid 1861] close(20 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./304/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1863] <... set_robust_list resumed>) = 0 [pid 1862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1863] rt_sigprocmask(SIG_SETMASK, [] [pid 1862] exit_group(0 [pid 1861] close(21 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./300/binderfs" [pid 1863] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1862] <... exit_group resumed>) = ? [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./304/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1863] chdir("./309" [pid 1862] +++ exited with 0 +++ [pid 1861] close(22 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./300/binderfs" [pid 1863] <... chdir resumed>) = 0 [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] unlink("./304/cgroup" [pid 1863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1861] close(23 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 1863] <... prctl resumed>) = 0 [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1863] setpgid(0, 0 [pid 1861] close(24 [pid 310] getdents64(3 [pid 309] umount2("./300/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1863] <... setpgid resumed>) = 0 [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1863] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1861] close(25 [pid 310] close(3 [pid 1863] <... symlink resumed>) = 0 [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./300/cgroup.net" [pid 1863] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1861] close(26 [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1863] <... symlink resumed>) = 0 [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./304" [pid 309] unlink("./300/cgroup.net" [pid 1863] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1861] close(27 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1863] <... symlink resumed>) = 0 [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./305", 0777 [pid 309] umount2("./300/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1861] close(28 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... openat resumed>) = 3 [pid 1861] close(29 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./300/cgroup.cpu" [pid 1863] write(3, "1000", 4 [pid 1861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1863] <... write resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1863] close(3 [pid 1861] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./300/cgroup.cpu" [pid 1863] <... close resumed>) = 0 [pid 1861] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1864 attached [pid 1864] set_robust_list(0x55555bb49760, 24 [pid 309] <... unlink resumed>) = 0 [pid 1864] <... set_robust_list resumed>) = 0 [pid 1864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1864] chdir("./305") = 0 [pid 1864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1861] +++ exited with 0 +++ [pid 1864] <... prctl resumed>) = 0 [pid 1863] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./300/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 307 [pid 1864] setpgid(0, 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1864] <... setpgid resumed>) = 0 executing program [pid 1863] <... symlink resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1864] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1863] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./300/cgroup" [pid 1864] <... symlink resumed>) = 0 [pid 1863] <... write resumed>) = 18 [pid 1864] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1864] <... symlink resumed>) = 0 [pid 1863] mkdirat(AT_FDCWD, "./config", 0777 [pid 1864] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 309] unlink("./300/cgroup" [pid 1864] <... symlink resumed>) = 0 [pid 1863] <... mkdirat resumed>) = 0 [pid 1864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1863] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... unlink resumed>) = 0 [pid 1864] <... openat resumed>) = 3 [pid 1864] write(3, "1000", 4) = 4 [pid 1863] <... mount resumed>) = 0 [pid 309] getdents64(3 [pid 1864] close(3 [pid 1863] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1864] <... close resumed>) = 0 [pid 1863] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1864] symlink("/dev/binderfs", "./binderfs" [pid 1863] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(3 [pid 1864] <... symlink resumed>) = 0 [pid 1863] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1864] write(1, "executing program\n", 18 [pid 1863] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... close resumed>) = 0 [pid 1864] <... write resumed>) = 18 executing program [pid 1864] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1863] <... mkdirat resumed>) = 0 [pid 309] rmdir("./300" [pid 1864] mount(NULL, "./config", "configfs", 0, NULL [pid 1863] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1864] <... mount resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1863] <... symlinkat resumed>) = 0 [pid 309] mkdir("./301", 0777 [pid 1864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1863] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1864] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 1864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1863] <... unlinkat resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 1864] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1863] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1864] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 ENOENT (No such file or directory) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1864] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1863] <... unlinkat resumed>) = 0 [pid 313] umount2("./318", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1864] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1863] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1864] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 1864] close(3) = -1 EBADF (Bad file descriptor) [pid 1864] close(4) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1865 attached [pid 1864] close(5 [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./318", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1865] set_robust_list(0x55555bb49760, 24 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] close(4 [pid 1865] <... set_robust_list resumed>) = 0 [pid 1864] close(6 [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 303 [pid 1865] rt_sigprocmask(SIG_SETMASK, [] [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1865] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1864] close(7 [pid 1863] close(5 [pid 1865] chdir("./301" [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1865] <... chdir resumed>) = 0 [pid 1864] close(8 [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] close(6 [pid 313] getdents64(3 [pid 1865] <... prctl resumed>) = 0 [pid 1864] close(9 [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1865] setpgid(0, 0 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] close(7 [pid 313] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1865] <... setpgid resumed>) = 0 [pid 1864] close(10 [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1865] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] close(8 [pid 313] <... umount2 resumed>) = 0 [pid 1865] <... symlink resumed>) = 0 [pid 1864] close(11 [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1865] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1865] <... symlink resumed>) = 0 [pid 1864] close(12 [pid 1863] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1865] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1865] <... symlink resumed>) = 0 [pid 1864] close(13 [pid 313] newfstatat(AT_FDCWD, "./318/config" [pid 1865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] close(10 [pid 1865] <... openat resumed>) = 3 [pid 1864] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1865] write(3, "1000", 4 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1865] <... write resumed>) = 4 [pid 1864] close(15 [pid 1863] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1865] close(3 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./318/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1865] <... close resumed>) = 0 [pid 1864] close(16 [pid 1863] close(12 [pid 1865] symlink("/dev/binderfs", "./binderfs" [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] <... restart_syscall resumed>) = 0 [pid 1865] <... symlink resumed>) = 0 [pid 1864] close(17 [pid 1863] close(13 [pid 313] fstat(4 [pid 1865] write(1, "executing program\n", 18 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1865] <... write resumed>) = 18 [pid 1864] close(18 [pid 1863] close(14 [pid 313] getdents64(4 [pid 1865] mkdirat(AT_FDCWD, "./config", 0777 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] umount2("./313", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1865] <... mkdirat resumed>) = 0 [pid 1864] close(19 [pid 1863] close(15 [pid 313] getdents64(4 [pid 1865] mount(NULL, "./config", "configfs", 0, NULL [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1865] <... mount resumed>) = 0 [pid 1864] close(20 [pid 1863] close(16 [pid 313] close(4 [pid 312] openat(AT_FDCWD, "./313", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1865] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1865] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1864] close(21 [pid 1863] close(17 [pid 313] rmdir("./318/config" [pid 312] <... openat resumed>) = 3 [pid 1865] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1865] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1864] close(22 [pid 1863] close(18 [pid 313] <... rmdir resumed>) = 0 [pid 312] fstat(3 [pid 1865] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./318/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1865] <... mkdirat resumed>) = 0 [pid 1864] close(23 [pid 1863] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1865] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./318/binderfs" [pid 312] getdents64(3 [pid 1865] <... symlinkat resumed>) = 0 [pid 1864] close(24 [pid 1863] close(20 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1865] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./318/binderfs" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1865] <... unlinkat resumed>) = 0 [pid 1864] close(25 [pid 1863] close(21 [pid 1865] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1865] <... unlinkat resumed>) = 0 [pid 1864] close(26 [pid 1863] close(22 [pid 1865] close(3 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./318/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = 0 [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1864] close(27 [pid 1863] close(23 [pid 1865] close(4 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1864] close(28 [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./318/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1865] close(5 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./313/config" [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1864] close(29 [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./318/cgroup.net" [pid 1865] close(6 [pid 1864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1864] exit_group(0 [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1865] close(7 [pid 1864] <... exit_group resumed>) = ? [pid 1863] close(26 [pid 313] umount2("./318/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1864] +++ exited with 0 +++ [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1865] close(8 [pid 1863] close(27 [pid 313] newfstatat(AT_FDCWD, "./318/cgroup.cpu" [pid 312] openat(AT_FDCWD, "./313/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1865] close(9 [pid 1863] close(28 [pid 312] <... openat resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] unlink("./318/cgroup.cpu" [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1865] close(10 [pid 1863] close(29 [pid 313] <... unlink resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./318/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1865] close(11 [pid 312] getdents64(4 [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1863] exit_group(0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1865] close(12 [pid 1863] <... exit_group resumed>) = ? [pid 313] newfstatat(AT_FDCWD, "./318/cgroup" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1865] close(13) = -1 EBADF (Bad file descriptor) [pid 1865] close(14) = -1 EBADF (Bad file descriptor) [pid 1865] close(15) = -1 EBADF (Bad file descriptor) [pid 1865] close(16) = -1 EBADF (Bad file descriptor) [pid 1865] close(17) = -1 EBADF (Bad file descriptor) [pid 1865] close(18) = -1 EBADF (Bad file descriptor) [pid 1865] close(19 [pid 1863] +++ exited with 0 +++ [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(4 [pid 1865] close(20 [pid 313] unlink("./318/cgroup" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1865] close(21 [pid 313] <... unlink resumed>) = 0 [pid 312] close(4 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... close resumed>) = 0 [pid 1865] close(22 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] rmdir("./313/config" [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1865] close(23 [pid 312] <... rmdir resumed>) = 0 [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] umount2("./313/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1865] close(24 [pid 313] rmdir("./318" [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1865] close(25 [pid 313] <... rmdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./313/binderfs" [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./319", 0777 [pid 1865] close(26 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 312] unlink("./313/binderfs" [pid 1865] close(27 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1865] close(28 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] umount2("./313/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1865] close(29) = -1 EBADF (Bad file descriptor) [pid 1865] exit_group(0) = ? ci2-android-5-15/strace-static-x86_64: Process 1866 attached [pid 1865] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 1866] set_robust_list(0x55555bb49760, 24 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 321 [pid 312] newfstatat(AT_FDCWD, "./313/cgroup.net" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1866] <... set_robust_list resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1866] rt_sigprocmask(SIG_SETMASK, [] [pid 312] unlink("./313/cgroup.net" [pid 1866] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./305", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1866] chdir("./319" [pid 312] umount2("./313/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1866] <... chdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1866] <... prctl resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./313/cgroup.cpu" [pid 310] <... openat resumed>) = 3 [pid 1866] setpgid(0, 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 1866] <... setpgid resumed>) = 0 [pid 312] unlink("./313/cgroup.cpu" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1866] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 1866] <... symlink resumed>) = 0 [pid 312] umount2("./313/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./313/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1866] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 312] unlink("./313/cgroup" [pid 310] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1866] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1866] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 312] getdents64(3 [pid 310] <... umount2 resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1866] <... symlink resumed>) = 0 [pid 312] close(3 [pid 310] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... close resumed>) = 0 [pid 312] rmdir("./313" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1866] <... openat resumed>) = 3 [pid 312] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./305/config" [pid 1866] write(3, "1000", 4 [pid 312] mkdir("./314", 0777 [pid 1866] <... write resumed>) = 4 [pid 312] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1866] close(3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1866] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1866] symlink("/dev/binderfs", "./binderfs" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1867 attached [pid 1866] <... symlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./305/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1867] set_robust_list(0x55555bb49760, 24 [pid 1866] write(1, "executing program\n", 18 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 316 executing program [pid 1867] <... set_robust_list resumed>) = 0 [pid 1866] <... write resumed>) = 18 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 4 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1866] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] fstat(4 [pid 1867] chdir("./314" [pid 1866] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1867] <... chdir resumed>) = 0 [pid 1866] mount(NULL, "./config", "configfs", 0, NULL [pid 1867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(4 [pid 1866] <... mount resumed>) = 0 [pid 1867] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1867] setpgid(0, 0 [pid 310] getdents64(4 [pid 1867] <... setpgid resumed>) = 0 [pid 1866] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1867] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] close(4 [pid 1867] <... symlink resumed>) = 0 [pid 1866] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1867] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./305/config" [pid 1867] <... symlink resumed>) = 0 [pid 1866] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 310] umount2("./305/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1867] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1866] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] umount2("./309", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./301", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1867] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./305/binderfs" [pid 1867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] openat(AT_FDCWD, "./309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1866] <... symlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 3 [pid 310] unlink("./305/binderfs" [pid 311] fstat(3 [pid 309] <... openat resumed>) = 3 [pid 1867] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1867] write(3, "1000", 4 [pid 1866] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./305/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 1867] <... write resumed>) = 4 [pid 1866] <... unlinkat resumed>) = 0 [pid 311] getdents64(3 [pid 1867] close(3 [pid 1866] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1867] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1866] <... unlinkat resumed>) = 0 [pid 311] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./305/cgroup.net" [pid 309] getdents64(3 [pid 1867] symlink("/dev/binderfs", "./binderfs" [pid 1866] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1867] <... symlink resumed>) = 0 [pid 311] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./305/cgroup.net" [pid 309] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1867] write(1, "executing program\n", 18 [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1866] close(4 executing program [pid 1867] <... write resumed>) = 18 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./309/config" [pid 1867] mkdirat(AT_FDCWD, "./config", 0777 [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./305/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1867] <... mkdirat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1867] mount(NULL, "./config", "configfs", 0, NULL [pid 1866] close(5 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1867] <... mount resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./305/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./301/config" [pid 1867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1867] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1866] close(6 [pid 311] openat(AT_FDCWD, "./309/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./305/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 1867] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./301/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1866] close(7 [pid 311] fstat(4 [pid 310] umount2("./305/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1867] <... mkdirat resumed>) = 0 [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1867] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1866] close(8 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./301/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1867] <... symlinkat resumed>) = 0 [pid 311] getdents64(4 [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./305/cgroup" [pid 1867] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1866] close(9 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 4 [pid 1867] <... unlinkat resumed>) = 0 [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1867] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1866] close(10 [pid 311] getdents64(4 [pid 310] unlink("./305/cgroup" [pid 309] fstat(4 [pid 1867] <... unlinkat resumed>) = 0 [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1867] close(3 [pid 1866] close(11 [pid 311] close(4 [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1867] close(4 [pid 1866] close(12 [pid 311] rmdir("./309/config" [pid 310] getdents64(3 [pid 309] getdents64(4 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1867] close(5 [pid 1866] close(13 [pid 311] umount2("./309/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] getdents64(4 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 1867] close(6 [pid 1866] close(14 [pid 311] newfstatat(AT_FDCWD, "./309/binderfs" [pid 310] rmdir("./305" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1867] close(7 [pid 1866] close(15 [pid 311] unlink("./309/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 309] close(4 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] mkdir("./306", 0777 [pid 1867] close(8 [pid 1866] close(16 [pid 311] umount2("./309/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./301/config" [pid 1867] close(9 [pid 1866] close(17 [pid 311] newfstatat(AT_FDCWD, "./309/cgroup.net" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1867] close(10 [pid 1866] close(18 [pid 311] unlink("./309/cgroup.net" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./301/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1868 attached [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1868] set_robust_list(0x55555bb49760, 24 [pid 1867] close(11 [pid 1866] close(19 [pid 311] umount2("./309/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 308 [pid 309] newfstatat(AT_FDCWD, "./301/binderfs" [pid 1868] <... set_robust_list resumed>) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1868] rt_sigprocmask(SIG_SETMASK, [] [pid 1867] close(12 [pid 1866] close(20 [pid 311] newfstatat(AT_FDCWD, "./309/cgroup.cpu" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1868] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./301/binderfs" [pid 1868] chdir("./306" [pid 1867] close(13 [pid 1866] close(21 [pid 311] unlink("./309/cgroup.cpu" [pid 1868] <... chdir resumed>) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1867] close(14 [pid 1866] close(22 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./301/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1868] <... prctl resumed>) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./309/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1868] setpgid(0, 0 [pid 1867] close(15 [pid 1866] close(23 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1868] <... setpgid resumed>) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./301/cgroup.net" [pid 1868] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1867] close(16 [pid 1866] close(24 [pid 311] newfstatat(AT_FDCWD, "./309/cgroup" [pid 1868] <... symlink resumed>) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1868] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1867] close(17 [pid 1866] close(25 [pid 311] unlink("./309/cgroup" [pid 309] unlink("./301/cgroup.net" [pid 1868] <... symlink resumed>) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1868] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1867] close(18 [pid 1866] close(26 [pid 311] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 1868] <... symlink resumed>) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./301/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1867] close(19 [pid 1866] close(27 [pid 311] close(3 [pid 1868] <... openat resumed>) = 3 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1868] write(3, "1000", 4 [pid 1867] close(20 [pid 1866] close(28 [pid 311] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./301/cgroup.cpu" [pid 1868] <... write resumed>) = 4 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./309" [pid 1868] close(3 [pid 1867] close(21 [pid 1866] close(29 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1868] <... close resumed>) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 309] unlink("./301/cgroup.cpu" [pid 1868] symlink("/dev/binderfs", "./binderfs" [pid 1867] close(22 [pid 1868] <... symlink resumed>) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1866] exit_group(0 [pid 311] mkdir("./310", 0777 [pid 309] <... unlink resumed>) = 0 [pid 1868] write(1, "executing program\n", 18 [pid 1867] close(23 [pid 1866] <... exit_group resumed>) = ? executing program [pid 1868] <... write resumed>) = 18 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 309] umount2("./301/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1868] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1868] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1866] +++ exited with 0 +++ [pid 1868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1867] close(24 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1868] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./301/cgroup" [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1867] close(25 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1868] <... mkdirat resumed>) = 0 [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1868] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1868] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-5-15/strace-static-x86_64: Process 1869 attached ) = 0 [pid 1867] close(26 [pid 309] unlink("./301/cgroup" [pid 1869] set_robust_list(0x55555bb49760, 24 [pid 1868] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 312 [pid 1869] <... set_robust_list resumed>) = 0 [pid 1868] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1868] close(3) = -1 EBADF (Bad file descriptor) [pid 1867] close(27 [pid 309] getdents64(3 [pid 1868] close(4 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1869] rt_sigprocmask(SIG_SETMASK, [] [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1869] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1868] close(5 [pid 1867] close(28 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(3 [pid 1869] chdir("./310" [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./319", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1869] <... chdir resumed>) = 0 [pid 1868] close(6 [pid 1867] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./319", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./301" [pid 1869] <... prctl resumed>) = 0 [pid 1868] close(7 [pid 1867] exit_group(0 [pid 1869] setpgid(0, 0 [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1867] <... exit_group resumed>) = ? [pid 313] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 1869] <... setpgid resumed>) = 0 [pid 1868] close(8) = -1 EBADF (Bad file descriptor) [pid 1868] close(9) = -1 EBADF (Bad file descriptor) [pid 1868] close(10) = -1 EBADF (Bad file descriptor) [pid 1868] close(11) = -1 EBADF (Bad file descriptor) [pid 1868] close(12) = -1 EBADF (Bad file descriptor) [pid 1868] close(13) = -1 EBADF (Bad file descriptor) [pid 1868] close(14 [pid 1867] +++ exited with 0 +++ [pid 313] fstat(3 [pid 309] mkdir("./302", 0777 [pid 1869] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1869] <... symlink resumed>) = 0 [pid 1868] close(15 [pid 313] getdents64(3 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... mkdir resumed>) = 0 [pid 1869] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1869] <... symlink resumed>) = 0 [pid 1868] close(16 [pid 313] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1869] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1868] close(17 [pid 1869] <... symlink resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1868] close(18) = -1 EBADF (Bad file descriptor) [pid 1868] close(19) = -1 EBADF (Bad file descriptor) [pid 1868] close(20) = -1 EBADF (Bad file descriptor) [pid 1868] close(21ci2-android-5-15/strace-static-x86_64: Process 1870 attached ) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1870] set_robust_list(0x55555bb49760, 24 [pid 1869] <... openat resumed>) = 3 [pid 1868] close(22 [pid 313] newfstatat(AT_FDCWD, "./319/config" [pid 312] <... restart_syscall resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 304 [pid 1870] <... set_robust_list resumed>) = 0 [pid 1869] write(3, "1000", 4 [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1870] rt_sigprocmask(SIG_SETMASK, [] [pid 1869] <... write resumed>) = 4 [pid 1868] close(23 [pid 313] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1870] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1869] close(3 [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./314", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1870] chdir("./302" [pid 1869] <... close resumed>) = 0 [pid 1868] close(24 [pid 313] openat(AT_FDCWD, "./319/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1870] <... chdir resumed>) = 0 [pid 1869] symlink("/dev/binderfs", "./binderfs" [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 312] openat(AT_FDCWD, "./314", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1869] <... symlink resumed>) = 0 [pid 1868] close(25 [pid 313] fstat(4 [pid 312] <... openat resumed>) = 3 [pid 1870] <... prctl resumed>) = 0 [pid 1869] write(1, "executing program\n", 18 [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] fstat(3 [pid 1870] setpgid(0, 0 [pid 1869] <... write resumed>) = 18 [pid 1868] close(26 [pid 313] getdents64(4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1870] <... setpgid resumed>) = 0 [pid 1869] mkdirat(AT_FDCWD, "./config", 0777 [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] getdents64(3 [pid 1870] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1869] <... mkdirat resumed>) = 0 [pid 1868] close(27 [pid 313] getdents64(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1870] <... symlink resumed>) = 0 [pid 1869] mount(NULL, "./config", "configfs", 0, NULL [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 1870] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1869] <... mount resumed>) = 0 [pid 1868] close(28 [pid 313] close(4 [pid 1870] <... symlink resumed>) = 0 [pid 1869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1870] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1869] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1868] close(29 [pid 313] <... close resumed>) = 0 [pid 312] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1870] <... symlink resumed>) = 0 [pid 1869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./319/config" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1869] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1868] exit_group(0 [pid 313] <... rmdir resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./314/config" [pid 1870] <... openat resumed>) = 3 [pid 1869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1868] <... exit_group resumed>) = ? [pid 313] umount2("./319/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1870] write(3, "1000", 4 [pid 1869] <... mkdirat resumed>) = 0 [pid 1868] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1870] <... write resumed>) = 4 [pid 1869] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] newfstatat(AT_FDCWD, "./319/binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1870] close(3 [pid 312] openat(AT_FDCWD, "./314/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1870] <... close resumed>) = 0 [pid 1869] <... symlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... openat resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1870] symlink("/dev/binderfs", "./binderfs" [pid 1869] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] unlink("./319/binderfs" [pid 312] fstat(4 [pid 1870] <... symlink resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1870] write(1, "executing program\n", 18 [pid 1869] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 executing program [pid 312] getdents64(4 [pid 1870] <... write resumed>) = 18 [pid 1869] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] umount2("./319/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1870] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] getdents64(4 [pid 1869] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1870] <... mkdirat resumed>) = 0 [pid 1869] close(3 [pid 313] newfstatat(AT_FDCWD, "./319/cgroup.net" [pid 312] close(4 [pid 1870] mount(NULL, "./config", "configfs", 0, NULL [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... close resumed>) = 0 [pid 1870] <... mount resumed>) = 0 [pid 1869] close(4 [pid 313] unlink("./319/cgroup.net" [pid 312] rmdir("./314/config" [pid 1870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 1870] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1869] close(5 [pid 313] umount2("./319/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./314/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1870] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1869] close(6 [pid 313] newfstatat(AT_FDCWD, "./319/cgroup.cpu" [pid 312] newfstatat(AT_FDCWD, "./314/binderfs" [pid 1870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./314/binderfs" [pid 1870] <... mkdirat resumed>) = 0 [pid 1869] close(7 [pid 313] unlink("./319/cgroup.cpu" [pid 312] <... unlink resumed>) = 0 [pid 1870] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./314/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1870] <... symlinkat resumed>) = 0 [pid 1869] close(8 [pid 313] umount2("./319/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1870] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./314/cgroup.net" [pid 1870] <... unlinkat resumed>) = 0 [pid 1869] close(9 [pid 313] newfstatat(AT_FDCWD, "./319/cgroup" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1870] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./314/cgroup.net" [pid 1870] <... unlinkat resumed>) = 0 [pid 1869] close(10 [pid 313] unlink("./319/cgroup" [pid 312] <... unlink resumed>) = 0 [pid 1870] close(3 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./314/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(11 [pid 313] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1870] close(4 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] newfstatat(AT_FDCWD, "./314/cgroup.cpu" [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(12 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1870] close(5 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 312] unlink("./314/cgroup.cpu" [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(13 [pid 313] <... close resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1870] close(6 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./319" [pid 312] umount2("./314/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(14 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... rmdir resumed>) = 0 [pid 1870] close(7 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./314/cgroup" [pid 310] <... restart_syscall resumed>) = 0 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(15 [pid 313] mkdir("./320", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1870] close(8 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 312] unlink("./314/cgroup" [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(16 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... unlink resumed>) = 0 [pid 1870] close(9 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] getdents64(3 [pid 310] umount2("./306", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(17 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1870] close(10 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3) = 0 [pid 312] rmdir("./314") = 0 [pid 312] mkdir("./315", 0777ci2-android-5-15/strace-static-x86_64: Process 1871 attached [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(18 [pid 312] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1871] set_robust_list(0x55555bb49760, 24 [pid 1870] close(11 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 322 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 3 [pid 1871] <... set_robust_list resumed>) = 0 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(19 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(3 [pid 1871] rt_sigprocmask(SIG_SETMASK, [] [pid 1870] close(12 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 ci2-android-5-15/strace-static-x86_64: Process 1872 attached [pid 1871] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(20 [pid 310] getdents64(3 [pid 1872] set_robust_list(0x55555bb49760, 24 [pid 1871] chdir("./320" [pid 1870] close(13 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 317 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1872] <... set_robust_list resumed>) = 0 [pid 1871] <... chdir resumed>) = 0 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(21 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1872] rt_sigprocmask(SIG_SETMASK, [] [pid 1871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1870] close(14 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1872] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1871] <... prctl resumed>) = 0 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(22 [pid 310] <... umount2 resumed>) = 0 [pid 1872] chdir("./315" [pid 1871] setpgid(0, 0 [pid 1870] close(15 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1872] <... chdir resumed>) = 0 [pid 1871] <... setpgid resumed>) = 0 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(23 [pid 310] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1871] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1870] close(16 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1872] <... prctl resumed>) = 0 [pid 1871] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1871] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 1871] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1872] setpgid(0, 0 [pid 1871] <... symlink resumed>) = 0 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(24 [pid 310] newfstatat(AT_FDCWD, "./306/config" [pid 1872] <... setpgid resumed>) = 0 [pid 1871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1870] close(17 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1872] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1871] <... openat resumed>) = 3 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(25 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1872] <... symlink resumed>) = 0 [pid 1871] write(3, "1000", 4 [pid 1870] close(18 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1872] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1871] <... write resumed>) = 4 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(26 [pid 1872] <... symlink resumed>) = 0 [pid 1871] close(3 [pid 1870] close(19 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1872] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1871] <... close resumed>) = 0 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(27 [pid 310] openat(AT_FDCWD, "./306/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1872] <... symlink resumed>) = 0 [pid 1871] symlink("/dev/binderfs", "./binderfs" [pid 1870] close(20 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1871] <... symlink resumed>) = 0 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(28 [pid 310] <... openat resumed>) = 4 executing program [pid 1871] write(1, "executing program\n", 18 [pid 1872] <... openat resumed>) = 3 [pid 1871] <... write resumed>) = 18 [pid 1870] close(21 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(4 [pid 1872] write(3, "1000", 4 [pid 1871] mkdirat(AT_FDCWD, "./config", 0777 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] close(29 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1872] <... write resumed>) = 4 [pid 1871] <... mkdirat resumed>) = 0 [pid 1870] close(22 [pid 1869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1872] close(3 [pid 1871] mount(NULL, "./config", "configfs", 0, NULL [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1872] <... close resumed>) = 0 [pid 1871] <... mount resumed>) = 0 [pid 1870] close(23 [pid 1869] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1872] symlink("/dev/binderfs", "./binderfs" [pid 1871] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] <... exit_group resumed>) = ? [pid 310] getdents64(4 [pid 1872] <... symlink resumed>) = 0 [pid 1871] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1870] close(24 [pid 1871] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1871] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1871] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1872] write(1, "executing program\n", 18 [pid 1871] <... symlinkat resumed>) = 0 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1869] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1872] <... write resumed>) = 18 [pid 1871] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1870] close(25 [pid 310] close(4 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 1872] mkdirat(AT_FDCWD, "./config", 0777 [pid 1871] <... unlinkat resumed>) = 0 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 1872] <... mkdirat resumed>) = 0 [pid 1871] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1870] close(26 [pid 310] rmdir("./306/config" [pid 1872] mount(NULL, "./config", "configfs", 0, NULL [pid 1871] <... unlinkat resumed>) = 0 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 1872] <... mount resumed>) = 0 [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1870] close(27 [pid 310] umount2("./306/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1871] close(4 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1872] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1870] close(28 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1871] close(5 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./306/binderfs" [pid 1872] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1870] close(29 [pid 1872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1871] close(6 [pid 1870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] close(7 [pid 1872] <... mkdirat resumed>) = 0 [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1872] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1871] close(8 [pid 1870] exit_group(0 [pid 310] unlink("./306/binderfs" [pid 1872] <... symlinkat resumed>) = 0 [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1870] <... exit_group resumed>) = ? [pid 1871] close(9 [pid 310] <... unlink resumed>) = 0 [pid 1872] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] close(10) = -1 EBADF (Bad file descriptor) [pid 1871] close(11) = -1 EBADF (Bad file descriptor) [pid 1871] close(12) = -1 EBADF (Bad file descriptor) [pid 1871] close(13) = -1 EBADF (Bad file descriptor) [pid 1871] close(14) = -1 EBADF (Bad file descriptor) [pid 1871] close(15 [pid 1870] +++ exited with 0 +++ [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./306/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1872] <... unlinkat resumed>) = 0 [pid 1871] close(16 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1872] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1871] close(17 [pid 1872] <... unlinkat resumed>) = 0 [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./306/cgroup.net" [pid 1872] close(3 [pid 1871] close(18 [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1872] close(4 [pid 1871] close(19 [pid 310] unlink("./306/cgroup.net" [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1872] close(5 [pid 1871] close(20 [pid 310] <... unlink resumed>) = 0 [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./306/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1872] close(6 [pid 1871] close(21 [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1872] close(7 [pid 1871] close(22 [pid 310] newfstatat(AT_FDCWD, "./306/cgroup.cpu" [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1872] close(8 [pid 1871] close(23 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./306/cgroup.cpu" [pid 1872] close(9 [pid 1871] close(24 [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1872] close(10 [pid 1871] close(25 [pid 310] umount2("./306/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1872] close(11 [pid 1871] close(26 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./306/cgroup" [pid 1872] close(12 [pid 1871] close(27 [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1872] close(13 [pid 1871] close(28 [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./306/cgroup" [pid 1872] close(14 [pid 1871] close(29) = -1 EBADF (Bad file descriptor) [pid 1871] exit_group(0) = ? [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1871] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 1872] close(15 [pid 310] getdents64(3 [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1872] close(16 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 1872] close(17 [pid 310] <... close resumed>) = 0 [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./306" [pid 1872] close(18) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1872] close(19 [pid 310] mkdir("./307", 0777 [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1872] close(20 [pid 310] <... mkdir resumed>) = 0 [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1872] close(21) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1872] close(22 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1873 attached [pid 1872] close(23 [pid 1873] set_robust_list(0x55555bb49760, 24 [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 309 [pid 1873] <... set_robust_list resumed>) = 0 [pid 1872] close(24 [pid 1873] rt_sigprocmask(SIG_SETMASK, [] [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1873] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1872] close(25 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1873] chdir("./307" [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1873] <... chdir resumed>) = 0 [pid 1872] close(26 [pid 1873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./310", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1873] <... prctl resumed>) = 0 [pid 1872] close(27 [pid 1873] setpgid(0, 0 [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1873] <... setpgid resumed>) = 0 [pid 1872] close(28 [pid 1873] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1873] <... symlink resumed>) = 0 [pid 1872] close(29 [pid 311] <... openat resumed>) = 3 [pid 1873] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 1873] <... symlink resumed>) = 0 [pid 1873] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1872] exit_group(0 [pid 1873] <... symlink resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1872] <... exit_group resumed>) = ? [pid 1873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 311] getdents64(3 [pid 1873] write(3, "1000", 4) = 4 [pid 1873] close(3) = 0 [pid 1873] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1873] write(1, "executing program\n", 18 [pid 1872] +++ exited with 0 +++ [pid 1873] <... write resumed>) = 18 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 executing program [pid 1873] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 1873] <... mkdirat resumed>) = 0 [pid 1873] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... umount2 resumed>) = 0 [pid 1873] <... mount resumed>) = 0 [pid 1873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./302", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./310/config" [pid 1873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1873] <... mkdirat resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1873] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 311] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1873] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 1873] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] umount2("./320", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./310/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 1873] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... restart_syscall resumed>) = 0 [pid 1873] close(3 [pid 313] openat(AT_FDCWD, "./320", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] fstat(4 [pid 1873] close(4 [pid 313] fstat(3 [pid 312] umount2("./315", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] getdents64(3 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1873] close(5 [pid 313] getdents64(3 [pid 312] openat(AT_FDCWD, "./315", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... openat resumed>) = 3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1873] close(6 [pid 313] umount2("./320/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(3 [pid 311] getdents64(4 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1873] close(7 [pid 313] <... umount2 resumed>) = 0 [pid 312] getdents64(3 [pid 311] close(4 [pid 309] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./320/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... close resumed>) = 0 [pid 1873] close(8 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./310/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./320/config" [pid 312] <... umount2 resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1873] close(9 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./302/config" [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./320/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./310/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1873] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./315/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./320/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./302/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1873] close(11 [pid 313] <... openat resumed>) = 4 [pid 312] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./310/binderfs" [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1873] close(12 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] openat(AT_FDCWD, "./315/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./310/binderfs" [pid 309] openat(AT_FDCWD, "./302/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... openat resumed>) = 4 [pid 311] <... unlink resumed>) = 0 [pid 1873] close(13 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] fstat(4 [pid 311] umount2("./310/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 1873] close(14 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./310/cgroup.net" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1873] close(15 [pid 313] <... close resumed>) = 0 [pid 312] getdents64(4 [pid 311] unlink("./310/cgroup.net" [pid 309] getdents64(4 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./320/config" [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1873] close(16 [pid 312] close(4 [pid 311] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] <... rmdir resumed>) = 0 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 313] umount2("./320/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./310/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1873] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./315/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./320/binderfs" [pid 312] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./310/cgroup.cpu" [pid 309] close(4 [pid 1873] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./315/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./320/binderfs" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./310/cgroup.cpu" [pid 309] <... close resumed>) = 0 [pid 1873] close(19 [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./315/binderfs" [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./320/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] rmdir("./302/config" [pid 1873] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./315/binderfs" [pid 311] umount2("./310/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./320/cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1873] close(21 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./315/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./310/cgroup" [pid 309] umount2("./302/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./320/cgroup.net" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1873] close(22 [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./315/cgroup.net" [pid 311] unlink("./310/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./320/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1873] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./315/cgroup.net" [pid 311] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./302/binderfs" [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./320/cgroup.cpu" [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 1873] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./315/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./320/cgroup.cpu" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 1873] close(25 [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./315/cgroup.cpu" [pid 309] unlink("./302/binderfs" [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./320/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 1873] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] unlink("./315/cgroup.cpu" [pid 311] rmdir("./310" [pid 309] <... unlink resumed>) = 0 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./320/cgroup" [pid 312] <... unlink resumed>) = 0 [pid 1873] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./315/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 309] umount2("./302/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./320/cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdir("./311", 0777 [pid 1873] close(28 [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./315/cgroup" [pid 311] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./302/cgroup.net" [pid 1873] close(29 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] unlink("./315/cgroup" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 312] <... unlink resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1873] exit_group(0 [pid 313] <... close resumed>) = 0 [pid 312] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] close(3) = 0 [pid 312] rmdir("./315") = 0 [pid 312] mkdir("./316", 0777ci2-android-5-15/strace-static-x86_64: Process 1874 attached [pid 1873] <... exit_group resumed>) = ? [pid 313] rmdir("./320" [pid 312] <... mkdir resumed>) = 0 [pid 309] unlink("./302/cgroup.net" [pid 1874] set_robust_list(0x55555bb49760, 24 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1874] <... set_robust_list resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1874] rt_sigprocmask(SIG_SETMASK, [] [pid 1873] +++ exited with 0 +++ [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1875 attached [pid 1874] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 313 [pid 309] <... unlink resumed>) = 0 [pid 1874] chdir("./311" [pid 313] mkdir("./321", 0777 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 318 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./302/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1875] set_robust_list(0x55555bb49760, 24 [pid 1874] <... chdir resumed>) = 0 [pid 313] <... mkdir resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1875] <... set_robust_list resumed>) = 0 [pid 1874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./302/cgroup.cpu" [pid 1875] rt_sigprocmask(SIG_SETMASK, [] [pid 1874] <... prctl resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1875] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1874] setpgid(0, 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1875] chdir("./316" [pid 1874] <... setpgid resumed>) = 0 [pid 1874] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 1874] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1876 attached [pid 1875] <... chdir resumed>) = 0 [pid 1874] <... symlink resumed>) = 0 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 323 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] unlink("./302/cgroup.cpu" [pid 1876] set_robust_list(0x55555bb49760, 24 [pid 1875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1874] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1876] <... set_robust_list resumed>) = 0 [pid 1875] <... prctl resumed>) = 0 [pid 1874] <... symlink resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1876] rt_sigprocmask(SIG_SETMASK, [] [pid 1874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1876] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1875] setpgid(0, 0 [pid 1874] <... openat resumed>) = 3 [pid 309] umount2("./302/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./307", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1876] chdir("./321" [pid 1875] <... setpgid resumed>) = 0 [pid 1874] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1876] <... chdir resumed>) = 0 [pid 1875] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1874] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1874] close(3 [pid 309] newfstatat(AT_FDCWD, "./302/cgroup" [pid 1876] <... prctl resumed>) = 0 [pid 1875] <... symlink resumed>) = 0 [pid 1874] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1876] setpgid(0, 0 [pid 1875] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1874] symlink("/dev/binderfs", "./binderfs" [pid 310] <... openat resumed>) = 3 [pid 309] unlink("./302/cgroup" [pid 1876] <... setpgid resumed>) = 0 [pid 1875] <... symlink resumed>) = 0 [pid 1874] <... symlink resumed>) = 0 [pid 310] fstat(3 [pid 1875] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1876] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1874] write(1, "executing program\n", 18 [pid 309] <... unlink resumed>) = 0 [pid 1875] <... symlink resumed>) = 0 [pid 1874] <... write resumed>) = 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 executing program [pid 1876] <... symlink resumed>) = 0 [pid 1875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1874] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(3 [pid 1876] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1875] <... openat resumed>) = 3 [pid 1874] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1876] <... symlink resumed>) = 0 [pid 1874] mount(NULL, "./config", "configfs", 0, NULL [pid 1876] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1875] write(3, "1000", 4 [pid 1874] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] close(3 [pid 1876] <... symlink resumed>) = 0 [pid 1875] <... write resumed>) = 4 [pid 1874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1875] close(3 [pid 1874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 1874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 1876] <... openat resumed>) = 3 [pid 1875] <... close resumed>) = 0 [pid 1874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./302" [pid 1876] write(3, "1000", 4 [pid 1875] symlink("/dev/binderfs", "./binderfs" [pid 1874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1876] <... write resumed>) = 4 [pid 1875] <... symlink resumed>) = 0 [pid 1874] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1876] close(3 [pid 1875] write(1, "executing program\n", 18 executing program [pid 1874] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./303", 0777 [pid 1876] <... close resumed>) = 0 [pid 1875] <... write resumed>) = 18 [pid 1874] <... symlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./307/config" [pid 1876] symlink("/dev/binderfs", "./binderfs" [pid 1875] mkdirat(AT_FDCWD, "./config", 0777 [pid 1874] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... mkdir resumed>) = 0 [pid 1876] <... symlink resumed>) = 0 [pid 1875] <... mkdirat resumed>) = 0 [pid 1874] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1876] write(1, "executing program\n", 18 [pid 1875] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 1874] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1876] <... write resumed>) = 18 [pid 1875] <... mount resumed>) = 0 [pid 1874] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1876] mkdirat(AT_FDCWD, "./config", 0777 [pid 1875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1874] close(3 [pid 310] openat(AT_FDCWD, "./307/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1876] <... mkdirat resumed>) = 0 [pid 1875] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1874] close(4) = -1 EBADF (Bad file descriptor) [pid 1874] close(5) = -1 EBADF (Bad file descriptor) [pid 1874] close(6) = -1 EBADF (Bad file descriptor) [pid 1874] close(7ci2-android-5-15/strace-static-x86_64: Process 1877 attached [pid 1876] mount(NULL, "./config", "configfs", 0, NULL [pid 1875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(4 [pid 1877] set_robust_list(0x55555bb49760, 24 [pid 1876] <... mount resumed>) = 0 [pid 1875] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1874] close(8 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 305 [pid 1877] <... set_robust_list resumed>) = 0 [pid 1876] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1877] rt_sigprocmask(SIG_SETMASK, [] [pid 1876] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1874] close(9 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1877] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1876] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1875] <... mkdirat resumed>) = 0 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1877] chdir("./303" [pid 1876] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1875] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1874] close(10 [pid 310] getdents64(4 [pid 1877] <... chdir resumed>) = 0 [pid 1876] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1875] <... symlinkat resumed>) = 0 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1876] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1875] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1874] close(11 [pid 310] close(4 [pid 1877] <... prctl resumed>) = 0 [pid 1876] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1875] <... unlinkat resumed>) = 0 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1877] setpgid(0, 0 [pid 1874] close(12 [pid 310] <... close resumed>) = 0 [pid 1877] <... setpgid resumed>) = 0 [pid 1876] <... symlinkat resumed>) = 0 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./307/config" [pid 1877] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1876] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1875] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1874] close(13 [pid 1877] <... symlink resumed>) = 0 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rmdir resumed>) = 0 [pid 1877] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1876] <... unlinkat resumed>) = 0 [pid 1875] close(3 [pid 1874] close(14 [pid 310] umount2("./307/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1877] <... symlink resumed>) = 0 [pid 1876] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1877] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1874] close(15 [pid 1876] <... unlinkat resumed>) = 0 [pid 1875] close(4 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./307/binderfs" [pid 1877] <... symlink resumed>) = 0 [pid 1876] close(3 [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] close(16 [pid 1877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] close(5 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1877] <... openat resumed>) = 3 [pid 1876] close(4 [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] close(17 [pid 310] unlink("./307/binderfs" [pid 1877] write(3, "1000", 4 [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] close(6 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1877] <... write resumed>) = 4 [pid 1876] close(5 [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] close(18 [pid 310] <... unlink resumed>) = 0 [pid 1877] close(3 [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] close(7 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./307/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1877] <... close resumed>) = 0 [pid 1876] close(6 [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] close(19 [pid 1877] symlink("/dev/binderfs", "./binderfs" [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] close(8 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1877] <... symlink resumed>) = 0 [pid 1876] close(7 [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] close(20 [pid 310] newfstatat(AT_FDCWD, "./307/cgroup.net" [pid 1877] write(1, "executing program\n", 18 [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1875] close(9 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1877] <... write resumed>) = 18 [pid 1876] close(8 [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] close(21 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1877] mkdirat(AT_FDCWD, "./config", 0777 [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] close(10 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./307/cgroup.net" [pid 1877] <... mkdirat resumed>) = 0 [pid 1876] close(9 [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] close(22 [pid 1877] mount(NULL, "./config", "configfs", 0, NULL [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] close(11 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1877] <... mount resumed>) = 0 [pid 1876] close(10 [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] close(23 [pid 310] umount2("./307/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] close(12 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1877] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1876] close(11 [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] close(24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] close(13 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1877] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1876] close(12 [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] close(25 [pid 310] newfstatat(AT_FDCWD, "./307/cgroup.cpu" [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] close(26) = -1 EBADF (Bad file descriptor) [pid 1874] close(27) = -1 EBADF (Bad file descriptor) [pid 1874] close(28) = -1 EBADF (Bad file descriptor) [pid 1874] close(29 [pid 1877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] close(14 [pid 1874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1877] <... mkdirat resumed>) = 0 [pid 1876] close(13 [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1874] <... exit_group resumed>) = ? [pid 310] unlink("./307/cgroup.cpu" [pid 1877] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] close(15 [pid 1874] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 1877] <... symlinkat resumed>) = 0 [pid 1876] close(14 [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./307/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1877] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] close(16 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1877] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1876] close(15 [pid 1877] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./307/cgroup" [pid 1877] <... unlinkat resumed>) = 0 [pid 1876] close(16 [pid 1875] close(17 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1877] close(3 [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./307/cgroup" [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] close(17 [pid 1875] close(18 [pid 1877] close(4 [pid 310] <... unlink resumed>) = 0 [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(3 [pid 1877] close(5 [pid 1876] close(18 [pid 1875] close(19 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 1877] close(6 [pid 1876] close(19 [pid 1875] close(20 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1877] close(7 [pid 1876] close(20 [pid 1875] close(21 [pid 310] rmdir("./307" [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1877] close(8 [pid 1876] close(21 [pid 1875] close(22 [pid 310] <... rmdir resumed>) = 0 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./308", 0777 [pid 1877] close(9 [pid 1876] close(22 [pid 1875] close(23 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1877] close(10 [pid 1876] close(23 [pid 1875] close(24 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1877] close(11 [pid 1876] close(24 [pid 1875] close(25 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1877] close(12 [pid 1876] close(25 [pid 1875] close(26ci2-android-5-15/strace-static-x86_64: Process 1878 attached [pid 1878] set_robust_list(0x55555bb49760, 24 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 310 [pid 1878] <... set_robust_list resumed>) = 0 [pid 1877] close(13 [pid 1876] close(26 [pid 1875] close(27 [pid 1878] rt_sigprocmask(SIG_SETMASK, [] [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1878] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1877] close(14 [pid 1876] close(27 [pid 1875] close(28 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1878] chdir("./308" [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] <... chdir resumed>) = 0 [pid 1877] close(15 [pid 1876] close(28 [pid 1875] close(29 [pid 1878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./311", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1878] <... prctl resumed>) = 0 [pid 1877] close(16 [pid 1876] close(29 [pid 1878] setpgid(0, 0 [pid 1875] exit_group(0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1878] <... setpgid resumed>) = 0 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1875] <... exit_group resumed>) = ? [pid 311] openat(AT_FDCWD, "./311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1878] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1877] close(17 [pid 1876] exit_group(0 [pid 1878] <... symlink resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 1878] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] <... exit_group resumed>) = ? [pid 1878] <... symlink resumed>) = 0 [pid 1878] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 1878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1877] close(18 [pid 1875] +++ exited with 0 +++ [pid 311] fstat(3 [pid 1878] write(3, "1000", 4 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1878] <... write resumed>) = 4 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1878] close(3) = 0 [pid 1878] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1876] +++ exited with 0 +++ [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1878] write(1, "executing program\n", 18 executing program [pid 1877] close(19 [pid 1878] <... write resumed>) = 18 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1878] mkdirat(AT_FDCWD, "./config", 0777 [pid 1877] close(20 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1878] <... mkdirat resumed>) = 0 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1878] mount(NULL, "./config", "configfs", 0, NULL [pid 1877] close(21 [pid 1878] <... mount resumed>) = 0 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1877] close(22 [pid 1878] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 1878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1877] close(23 [pid 1878] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] <... mkdirat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1878] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1877] close(24 [pid 311] newfstatat(AT_FDCWD, "./311/config" [pid 1878] <... symlinkat resumed>) = 0 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1877] close(25 [pid 1878] <... unlinkat resumed>) = 0 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1878] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1877] close(26 [pid 1878] <... unlinkat resumed>) = 0 [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1878] close(3 [pid 1877] close(27 [pid 311] openat(AT_FDCWD, "./311/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] close(4 [pid 311] <... openat resumed>) = 4 [pid 1877] close(28 [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(4 [pid 1878] close(5 [pid 1877] close(29 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] close(6 [pid 311] getdents64(4 [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1877] exit_group(0 [pid 1878] close(7 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1877] <... exit_group resumed>) = ? [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1878] close(8) = -1 EBADF (Bad file descriptor) [pid 1878] close(9) = -1 EBADF (Bad file descriptor) [pid 1878] close(10) = -1 EBADF (Bad file descriptor) [pid 1878] close(11) = -1 EBADF (Bad file descriptor) [pid 1878] close(12) = -1 EBADF (Bad file descriptor) [pid 1878] close(13) = -1 EBADF (Bad file descriptor) [pid 1877] +++ exited with 0 +++ [pid 1878] close(14) = -1 EBADF (Bad file descriptor) [pid 1878] close(15 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 1878] close(16 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1878] close(17) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./311/config" [pid 1878] close(18) = -1 EBADF (Bad file descriptor) [pid 1878] close(19 [pid 311] <... rmdir resumed>) = 0 [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] close(20 [pid 311] umount2("./311/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] close(21 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] close(22 [pid 311] newfstatat(AT_FDCWD, "./311/binderfs" [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] close(23 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] close(24 [pid 311] unlink("./311/binderfs" [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] close(25 [pid 311] <... unlink resumed>) = 0 [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] close(26 [pid 311] umount2("./311/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] close(27 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1878] close(28 [pid 311] newfstatat(AT_FDCWD, "./311/cgroup.net" [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... restart_syscall resumed>) = 0 [pid 1878] close(29 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./311/cgroup.net" [pid 1878] exit_group(0) = ? [pid 311] <... unlink resumed>) = 0 [pid 1878] +++ exited with 0 +++ [pid 312] <... restart_syscall resumed>) = 0 [pid 311] umount2("./311/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./303", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] umount2("./316", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./311/cgroup.cpu" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./311/cgroup.cpu" [pid 309] fstat(3 [pid 312] openat(AT_FDCWD, "./316", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./308", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] umount2("./311/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./311/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... openat resumed>) = 3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./311/cgroup" [pid 310] fstat(3 [pid 309] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 310] getdents64(3, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] umount2("./321", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 310] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 313] openat(AT_FDCWD, "./321", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./316/config" [pid 311] close(3 [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... close resumed>) = 0 [pid 310] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] fstat(3 [pid 312] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./311" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./303/config" [pid 313] getdents64(3 [pid 312] openat(AT_FDCWD, "./316/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] mkdir("./312", 0777 [pid 310] newfstatat(AT_FDCWD, "./308/config" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./321/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(4 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./303/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./321/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./303/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./308/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] newfstatat(AT_FDCWD, "./321/config" [pid 312] getdents64(4 [pid 309] <... openat resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 1879 attached [pid 310] <... openat resumed>) = 4 [pid 1879] set_robust_list(0x55555bb49760, 24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 314 [pid 310] fstat(4 [pid 309] fstat(4 [pid 1879] <... set_robust_list resumed>) = 0 [pid 313] umount2("./321/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] close(4 [pid 1879] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1879] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] openat(AT_FDCWD, "./321/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... close resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 1879] chdir("./312" [pid 313] <... openat resumed>) = 4 [pid 312] rmdir("./316/config" [pid 309] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1879] <... chdir resumed>) = 0 [pid 313] fstat(4 [pid 312] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] umount2("./316/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 1879] <... prctl resumed>) = 0 [pid 313] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1879] setpgid(0, 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] newfstatat(AT_FDCWD, "./316/binderfs" [pid 310] <... close resumed>) = 0 [pid 309] close(4 [pid 1879] <... setpgid resumed>) = 0 [pid 313] getdents64(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./308/config" [pid 1879] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] unlink("./316/binderfs" [pid 309] <... close resumed>) = 0 [pid 1879] <... symlink resumed>) = 0 [pid 313] close(4 [pid 310] <... rmdir resumed>) = 0 [pid 1879] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 313] <... close resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] rmdir("./303/config" [pid 310] umount2("./308/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1879] <... symlink resumed>) = 0 [pid 313] rmdir("./321/config" [pid 312] umount2("./316/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1879] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] <... rmdir resumed>) = 0 [pid 309] umount2("./303/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./308/binderfs" [pid 1879] <... symlink resumed>) = 0 [pid 313] umount2("./321/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./316/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./303/binderfs" [pid 1879] <... openat resumed>) = 3 [pid 313] newfstatat(AT_FDCWD, "./321/binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./308/binderfs" [pid 1879] write(3, "1000", 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] unlink("./316/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1879] <... write resumed>) = 4 [pid 313] unlink("./321/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 1879] close(3 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./308/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./303/binderfs" [pid 1879] <... close resumed>) = 0 [pid 313] umount2("./321/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./316/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1879] symlink("/dev/binderfs", "./binderfs" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1879] <... symlink resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./321/cgroup.net" [pid 312] newfstatat(AT_FDCWD, "./316/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./308/cgroup.net" [pid 309] umount2("./303/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1879] write(1, "executing program\n", 18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1879] <... write resumed>) = 18 [pid 313] unlink("./321/cgroup.net" [pid 312] unlink("./316/cgroup.cpu" [pid 310] unlink("./308/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1879] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... unlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./303/cgroup.net" [pid 1879] <... mkdirat resumed>) = 0 [pid 313] umount2("./321/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./316/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./308/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1879] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1879] <... mount resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./321/cgroup.cpu" [pid 312] newfstatat(AT_FDCWD, "./316/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./303/cgroup.net" [pid 1879] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./308/cgroup.cpu" [pid 1879] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] unlink("./321/cgroup.cpu" [pid 312] unlink("./316/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1879] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1879] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./321/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 310] unlink("./308/cgroup.cpu" [pid 309] umount2("./303/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1879] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 1879] <... mkdirat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./321/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1879] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] close(3 [pid 310] umount2("./308/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./303/cgroup.cpu" [pid 1879] <... symlinkat resumed>) = 0 [pid 313] unlink("./321/cgroup" [pid 312] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1879] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... unlink resumed>) = 0 [pid 312] rmdir("./316" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1879] <... unlinkat resumed>) = 0 [pid 313] getdents64(3 [pid 312] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./308/cgroup" [pid 1879] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] mkdir("./317", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./303/cgroup.cpu" [pid 1879] <... unlinkat resumed>) = 0 [pid 313] close(3 [pid 312] <... mkdir resumed>) = 0 [pid 310] unlink("./308/cgroup" [pid 1879] close(3 [pid 313] <... close resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... unlink resumed>) = 0 [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./321" [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./303/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1879] close(4 [pid 313] <... rmdir resumed>) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./322", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1879] close(5) = -1 EBADF (Bad file descriptor) [pid 1879] close(6) = -1 EBADF (Bad file descriptor) [pid 1879] close(7) = -1 EBADF (Bad file descriptor) [pid 1879] close(8) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1880 attached [pid 1879] close(9 [pid 313] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./303/cgroup" [pid 1880] set_robust_list(0x55555bb49760, 24 [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 319 [pid 310] close(3 [pid 1880] <... set_robust_list resumed>) = 0 [pid 1879] close(10 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1880] rt_sigprocmask(SIG_SETMASK, [] [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 309] unlink("./303/cgroup" [pid 1880] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1879] close(11 [pid 1880] chdir("./317") = 0 [pid 1880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ci2-android-5-15/strace-static-x86_64: Process 1881 attached [pid 1880] setpgid(0, 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./308" [pid 1880] <... setpgid resumed>) = 0 [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 324 [pid 309] <... unlink resumed>) = 0 [pid 1881] set_robust_list(0x55555bb49760, 24 [pid 1880] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1879] close(12 [pid 310] <... rmdir resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1881] <... set_robust_list resumed>) = 0 [pid 1880] <... symlink resumed>) = 0 [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] mkdir("./309", 0777 [pid 309] getdents64(3 [pid 1881] rt_sigprocmask(SIG_SETMASK, [] [pid 1880] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1879] close(13 [pid 1881] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1880] <... symlink resumed>) = 0 [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1881] chdir("./322" [pid 1880] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1879] close(14 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(3 [pid 1881] <... chdir resumed>) = 0 [pid 1880] <... symlink resumed>) = 0 [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1879] close(15 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... close resumed>) = 0 [pid 1881] <... prctl resumed>) = 0 [pid 1880] <... openat resumed>) = 3 [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] write(3, "1000", 4) = 4 [pid 1880] close(3) = 0 [pid 1880] symlink("/dev/binderfs", "./binderfs" [pid 1881] setpgid(0, 0 [pid 1880] <... symlink resumed>) = 0 [pid 1879] close(16 [pid 309] rmdir("./303"ci2-android-5-15/strace-static-x86_64: Process 1882 attached [pid 1881] <... setpgid resumed>) = 0 [pid 1880] write(1, "executing program\n", 18 [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] set_robust_list(0x55555bb49760, 24 [pid 1881] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1880] <... write resumed>) = 18 [pid 1879] close(17 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 311 [pid 309] <... rmdir resumed>) = 0 [pid 1882] <... set_robust_list resumed>) = 0 executing program [pid 1881] <... symlink resumed>) = 0 [pid 1880] mkdirat(AT_FDCWD, "./config", 0777 [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] rt_sigprocmask(SIG_SETMASK, [] [pid 1880] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] mkdir("./304", 0777 [pid 1882] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1880] mount(NULL, "./config", "configfs", 0, NULL [pid 1882] chdir("./309" [pid 1880] <... mount resumed>) = 0 [pid 1882] <... chdir resumed>) = 0 [pid 1881] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1879] close(18 [pid 309] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1881] <... symlink resumed>) = 0 [pid 1880] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1882] <... prctl resumed>) = 0 [pid 1881] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1879] close(19 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1882] setpgid(0, 0 [pid 1881] <... symlink resumed>) = 0 [pid 1880] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1882] <... setpgid resumed>) = 0 [pid 1881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1879] close(20 [pid 1882] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1880] <... mkdirat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1883 attached [pid 1882] <... symlink resumed>) = 0 [pid 1881] <... openat resumed>) = 3 [pid 1880] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] set_robust_list(0x55555bb49760, 24 [pid 1882] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1881] write(3, "1000", 4 [pid 1880] <... symlinkat resumed>) = 0 [pid 1879] close(21 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 306 [pid 1883] <... set_robust_list resumed>) = 0 [pid 1882] <... symlink resumed>) = 0 [pid 1881] <... write resumed>) = 4 [pid 1880] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] rt_sigprocmask(SIG_SETMASK, [] [pid 1882] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1881] close(3 [pid 1880] <... unlinkat resumed>) = 0 [pid 1879] close(22 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1883] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1882] <... symlink resumed>) = 0 [pid 1881] <... close resumed>) = 0 [pid 1880] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1883] chdir("./304" [pid 1882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1881] symlink("/dev/binderfs", "./binderfs" [pid 1880] <... unlinkat resumed>) = 0 [pid 1879] close(23 [pid 1883] <... chdir resumed>) = 0 [pid 1882] <... openat resumed>) = 3 [pid 1880] close(3 [pid 1883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1882] write(3, "1000", 4 [pid 1881] <... symlink resumed>) = 0 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... prctl resumed>) = 0 [pid 1882] <... write resumed>) = 4 [pid 1881] write(1, "executing program\n", 18 [pid 1880] close(4 [pid 1879] close(24 executing program [pid 1883] setpgid(0, 0 [pid 1882] close(3 [pid 1881] <... write resumed>) = 18 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... setpgid resumed>) = 0 [pid 1882] <... close resumed>) = 0 [pid 1880] close(5 [pid 1883] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1882] symlink("/dev/binderfs", "./binderfs" [pid 1881] mkdirat(AT_FDCWD, "./config", 0777 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1879] close(25 [pid 1883] <... symlink resumed>) = 0 [pid 1882] <... symlink resumed>) = 0 [pid 1880] close(6 [pid 1883] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1882] write(1, "executing program\n", 18 [pid 1881] <... mkdirat resumed>) = 0 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... symlink resumed>) = 0 [pid 1882] <... write resumed>) = 18 [pid 1881] mount(NULL, "./config", "configfs", 0, NULL [pid 1880] close(7 [pid 1879] close(26 [pid 1883] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1882] mkdirat(AT_FDCWD, "./config", 0777 [pid 1881] <... mount resumed>) = 0 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... symlink resumed>) = 0 [pid 1882] <... mkdirat resumed>) = 0 [pid 1881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1880] close(8 [pid 1879] close(27 [pid 1883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1882] mount(NULL, "./config", "configfs", 0, NULL [pid 1881] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... openat resumed>) = 3 [pid 1882] <... mount resumed>) = 0 [pid 1881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1880] close(9 [pid 1879] close(28 [pid 1883] write(3, "1000", 4 [pid 1882] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1881] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... write resumed>) = 4 [pid 1882] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1880] close(10 [pid 1883] close(3 [pid 1882] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1879] close(29 [pid 1883] <... close resumed>) = 0 [pid 1882] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1881] <... mkdirat resumed>) = 0 [pid 1880] close(11 [pid 1879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] symlink("/dev/binderfs", "./binderfs" [pid 1882] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1881] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... symlink resumed>) = 0 [pid 1882] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1880] close(12 [pid 1879] exit_group(0 [pid 1883] write(1, "executing program\n", 18 [pid 1882] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1881] <... symlinkat resumed>) = 0 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... write resumed>) = 18 [pid 1880] close(13 executing program [pid 1883] mkdirat(AT_FDCWD, "./config", 0777 [pid 1881] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1879] <... exit_group resumed>) = ? [pid 1882] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1883] <... mkdirat resumed>) = 0 [pid 1881] <... unlinkat resumed>) = 0 [pid 1880] close(14 [pid 1883] mount(NULL, "./config", "configfs", 0, NULL [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... mount resumed>) = 0 [pid 1880] close(15 [pid 1883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1880] close(16 [pid 1879] +++ exited with 0 +++ [pid 1882] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1881] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1882] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1880] close(17 [pid 1883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1882] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1881] <... unlinkat resumed>) = 0 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1883] <... mkdirat resumed>) = 0 [pid 1880] close(18 [pid 1883] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1882] <... unlinkat resumed>) = 0 [pid 1881] close(3 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1883] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1882] close(3 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] close(19 [pid 1883] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(4 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1882] close(4 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] close(20 [pid 1883] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(5 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1882] close(5 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] close(21 [pid 1883] close(3 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(6 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(6 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] close(22 [pid 1883] close(4 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(7 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(7 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] close(23 [pid 1883] close(5 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(8 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(8 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] close(24 [pid 1883] close(6 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(9 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(9 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] close(25 [pid 1883] close(7 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(10 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(10 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] close(26 [pid 1883] close(8 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(11 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(11 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] close(27 [pid 1883] close(9 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(12 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(12 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] close(28 [pid 1883] close(10 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(13 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(13 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] close(29 [pid 1883] close(11 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(14 [pid 1880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(14 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] exit_group(0 [pid 1883] close(12 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(15 [pid 1880] <... exit_group resumed>) = ? [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(15 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1880] +++ exited with 0 +++ [pid 1883] close(13 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(16 [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(16 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] close(14 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(17 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(17 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1883] close(15 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(18 [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(18 [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] close(16 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] close(19 [pid 1882] close(19 [pid 1883] close(17 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(20 [pid 1881] close(20 [pid 1883] close(18 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(21 [pid 1881] close(21 [pid 311] <... restart_syscall resumed>) = 0 [pid 1883] close(19 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(22 [pid 1881] close(22 [pid 312] <... restart_syscall resumed>) = 0 [pid 1883] close(20 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(23 [pid 1881] close(23 [pid 1883] close(21 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./312", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(24 [pid 1881] close(24 [pid 312] umount2("./317", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1883] close(22 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(25 [pid 1881] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1883] close(23 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./317", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] openat(AT_FDCWD, "./312", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(26 [pid 1881] close(26 [pid 312] <... openat resumed>) = 3 [pid 1883] close(24 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(27 [pid 1881] close(27 [pid 312] fstat(3 [pid 311] fstat(3 [pid 1883] close(25 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(28 [pid 1881] close(28 [pid 312] getdents64(3 [pid 311] getdents64(3 [pid 1883] close(26 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1882] close(29 [pid 1881] close(29 [pid 312] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1883] close(27 [pid 1882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 1883] close(28 [pid 1882] exit_group(0 [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1881] exit_group(0 [pid 1882] <... exit_group resumed>) = ? [pid 312] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1883] close(29 [pid 1881] <... exit_group resumed>) = ? [pid 1883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1883] exit_group(0) = ? [pid 1883] +++ exited with 0 +++ [pid 1882] +++ exited with 0 +++ [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1881] +++ exited with 0 +++ [pid 311] newfstatat(AT_FDCWD, "./312/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] newfstatat(AT_FDCWD, "./317/config" [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./312/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] openat(AT_FDCWD, "./317/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... openat resumed>) = 4 [pid 312] <... openat resumed>) = 4 [pid 311] fstat(4 [pid 312] fstat(4 [pid 310] umount2("./309", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] getdents64(4 [pid 312] getdents64(4 [pid 310] openat(AT_FDCWD, "./309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] close(4 [pid 310] <... openat resumed>) = 3 [pid 312] <... close resumed>) = 0 [pid 311] getdents64(4 [pid 310] fstat(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] rmdir("./317/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] close(4 [pid 312] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 312] umount2("./317/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] newfstatat(AT_FDCWD, "./317/binderfs" [pid 311] rmdir("./312/config" [pid 310] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 312] unlink("./317/binderfs" [pid 311] umount2("./312/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./317/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./312/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./309/config" [pid 312] newfstatat(AT_FDCWD, "./317/cgroup.net" [pid 311] unlink("./312/binderfs" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 312] unlink("./317/cgroup.net" [pid 311] umount2("./312/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./304", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./317/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./312/cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./309/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./317/cgroup.cpu" [pid 311] unlink("./312/cgroup.net" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] unlink("./317/cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 309] <... openat resumed>) = 3 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./312/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] umount2("./317/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./317/cgroup" [pid 311] newfstatat(AT_FDCWD, "./312/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 312] unlink("./317/cgroup" [pid 311] unlink("./312/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 310] close(4 [pid 309] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] umount2("./312/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 312] close(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./309/config" [pid 309] <... umount2 resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./312/cgroup" [pid 312] rmdir("./317" [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./309/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] mkdir("./318", 0777 [pid 311] unlink("./312/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... mkdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./304/config" [pid 310] newfstatat(AT_FDCWD, "./309/binderfs" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./304/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] close(3 [pid 310] unlink("./309/binderfs" [pid 311] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1884 attached [pid 311] rmdir("./312" [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./304/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1884] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 320 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./309/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1884] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] mkdir("./313", 0777 [pid 309] <... openat resumed>) = 4 [pid 1884] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 1884] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./309/cgroup.net" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1884] chdir("./318" [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1884] <... chdir resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] unlink("./309/cgroup.net" [pid 309] getdents64(4 [pid 1884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1884] setpgid(0, 0) = 0 [pid 1884] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 1884] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1885 attached ) = 0 [pid 313] umount2("./322", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1885] set_robust_list(0x55555bb49760, 24 [pid 1884] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 315 [pid 310] umount2("./309/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1885] <... set_robust_list resumed>) = 0 [pid 1884] <... symlink resumed>) = 0 [pid 313] openat(AT_FDCWD, "./322", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1885] rt_sigprocmask(SIG_SETMASK, [] [pid 1884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1885] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1884] <... openat resumed>) = 3 [pid 1885] chdir("./313" [pid 1884] write(3, "1000", 4 [pid 1885] <... chdir resumed>) = 0 [pid 1884] <... write resumed>) = 4 [pid 313] <... openat resumed>) = 3 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1884] close(3 [pid 313] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./309/cgroup.cpu" [pid 309] close(4 [pid 1885] <... prctl resumed>) = 0 [pid 1884] <... close resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1885] setpgid(0, 0 [pid 1884] symlink("/dev/binderfs", "./binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 1885] <... setpgid resumed>) = 0 [pid 1884] <... symlink resumed>) = 0 [pid 313] getdents64(3 [pid 310] unlink("./309/cgroup.cpu" [pid 309] rmdir("./304/config" [pid 1885] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1884] write(1, "executing program\n", 18 executing program [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1885] <... symlink resumed>) = 0 [pid 1884] <... write resumed>) = 18 [pid 313] umount2("./322/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1885] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1884] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./309/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./304/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1885] <... symlink resumed>) = 0 [pid 1884] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1885] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1884] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./322/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./309/cgroup" [pid 309] newfstatat(AT_FDCWD, "./304/binderfs" [pid 1885] <... symlink resumed>) = 0 [pid 1884] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] newfstatat(AT_FDCWD, "./322/config" [pid 1885] <... openat resumed>) = 3 [pid 1884] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./309/cgroup" [pid 309] unlink("./304/binderfs" [pid 1885] write(3, "1000", 4 [pid 1884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1885] <... write resumed>) = 4 [pid 1884] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 313] umount2("./322/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1885] close(3 [pid 1884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3 [pid 309] umount2("./304/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1885] <... close resumed>) = 0 [pid 1884] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1885] symlink("/dev/binderfs", "./binderfs" [pid 1884] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] openat(AT_FDCWD, "./322/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1885] <... symlink resumed>) = 0 [pid 1884] <... symlinkat resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 1885] write(1, "executing program\n", 18 executing program [pid 1884] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] fstat(4 [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./304/cgroup.net" [pid 1885] <... write resumed>) = 18 [pid 1884] <... unlinkat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] rmdir("./309" [pid 1885] mkdirat(AT_FDCWD, "./config", 0777 [pid 1884] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1885] <... mkdirat resumed>) = 0 [pid 1884] <... unlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./304/cgroup.net" [pid 1885] mount(NULL, "./config", "configfs", 0, NULL [pid 1884] close(3 [pid 313] getdents64(4 [pid 310] mkdir("./310", 0777 [pid 1885] <... mount resumed>) = 0 [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1884] close(4 [pid 313] close(4 [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./304/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1885] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1884] close(5 [pid 313] rmdir("./322/config" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1885] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./304/cgroup.cpu" [pid 1885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1884] close(6 [pid 313] umount2("./322/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1885] <... mkdirat resumed>) = 0 [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1885] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1884] close(7ci2-android-5-15/strace-static-x86_64: Process 1886 attached [pid 1885] <... symlinkat resumed>) = 0 [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1886] set_robust_list(0x55555bb49760, 24 [pid 1885] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1884] close(8 [pid 313] newfstatat(AT_FDCWD, "./322/binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 312 [pid 309] unlink("./304/cgroup.cpu" [pid 1886] <... set_robust_list resumed>) = 0 [pid 1885] <... unlinkat resumed>) = 0 [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1886] rt_sigprocmask(SIG_SETMASK, [] [pid 1885] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1884] close(9 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 1886] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1885] <... unlinkat resumed>) = 0 [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./322/binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./304/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1886] chdir("./310" [pid 1885] close(3 [pid 1884] close(10 [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1886] <... chdir resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./322/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./304/cgroup" [pid 1886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1885] close(4 [pid 1884] close(11 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1886] <... prctl resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./322/cgroup.net" [pid 1886] setpgid(0, 0 [pid 1885] close(5 [pid 1884] close(12 [pid 309] unlink("./304/cgroup" [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1886] <... setpgid resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1886] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1885] close(6 [pid 1884] close(13 [pid 313] unlink("./322/cgroup.net" [pid 309] <... unlink resumed>) = 0 [pid 1886] <... symlink resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1886] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1885] close(7 [pid 1884] close(14 [pid 313] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 1886] <... symlink resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./322/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1886] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1885] close(8 [pid 1884] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 1886] <... symlink resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./322/cgroup.cpu" [pid 1886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1885] close(9 [pid 1884] close(16 [pid 309] <... close resumed>) = 0 [pid 1886] <... openat resumed>) = 3 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./304" [pid 1886] write(3, "1000", 4 [pid 1885] close(10 [pid 1884] close(17 [pid 313] unlink("./322/cgroup.cpu" [pid 1886] <... write resumed>) = 4 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1886] close(3 [pid 1885] close(11 [pid 1884] close(18 [pid 313] <... unlink resumed>) = 0 [pid 309] mkdir("./305", 0777 [pid 1886] <... close resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./322/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1886] symlink("/dev/binderfs", "./binderfs" [pid 1885] close(12 [pid 1884] close(19 [pid 309] <... mkdir resumed>) = 0 [pid 1886] <... symlink resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1886] write(1, "executing program\n", 18 [pid 1885] close(13 executing program [pid 1884] close(20 [pid 313] newfstatat(AT_FDCWD, "./322/cgroup" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1886] <... write resumed>) = 18 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1886] mkdirat(AT_FDCWD, "./config", 0777 [pid 1885] close(14 [pid 1884] close(21 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1886] <... mkdirat resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./322/cgroup" [pid 1886] mount(NULL, "./config", "configfs", 0, NULL [pid 1885] close(15 [pid 1884] close(22 [pid 1886] <... mount resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1887 attached [pid 1886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1885] close(16 [pid 1884] close(23 [pid 313] <... unlink resumed>) = 0 [pid 1887] set_robust_list(0x55555bb49760, 24 [pid 1886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 307 [pid 1887] <... set_robust_list resumed>) = 0 [pid 1886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1885] close(17 [pid 1884] close(24 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1887] rt_sigprocmask(SIG_SETMASK, [] [pid 1886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1887] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1885] close(18 [pid 1884] close(25 [pid 313] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1887] chdir("./305" [pid 1886] <... mkdirat resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./322" [pid 1887] <... chdir resumed>) = 0 [pid 1886] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1885] close(19 [pid 1884] close(26 [pid 313] <... rmdir resumed>) = 0 [pid 1887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1886] <... symlinkat resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... prctl resumed>) = 0 [pid 1886] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1885] close(20 [pid 1884] close(27 [pid 313] mkdir("./323", 0777 [pid 1887] setpgid(0, 0 [pid 1886] <... unlinkat resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... setpgid resumed>) = 0 [pid 1886] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1885] close(21 [pid 1884] close(28 [pid 313] <... mkdir resumed>) = 0 [pid 1887] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1886] <... unlinkat resumed>) = 0 [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1887] <... symlink resumed>) = 0 [pid 1886] close(3 [pid 1885] close(22 [pid 1884] close(29 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1887] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1887] <... symlink resumed>) = 0 [pid 1886] close(4 [pid 1885] close(23 [pid 1884] exit_group(0 [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1884] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1888 attached [pid 1887] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1886] close(5 [pid 1885] close(24 [pid 1884] +++ exited with 0 +++ [pid 1888] set_robust_list(0x55555bb49760, 24 [pid 1887] <... symlink resumed>) = 0 [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 325 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1888] <... set_robust_list resumed>) = 0 [pid 1887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1886] close(6 [pid 1885] close(25 [pid 1888] rt_sigprocmask(SIG_SETMASK, [] [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1888] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1887] <... openat resumed>) = 3 [pid 1886] close(7 [pid 1885] close(26 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1888] chdir("./323" [pid 1887] write(3, "1000", 4 [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... chdir resumed>) = 0 [pid 1887] <... write resumed>) = 4 [pid 1886] close(8 [pid 1885] close(27 [pid 1888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1887] close(3 [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... prctl resumed>) = 0 [pid 1887] <... close resumed>) = 0 [pid 1886] close(9 [pid 1885] close(28 [pid 1888] setpgid(0, 0 [pid 1887] symlink("/dev/binderfs", "./binderfs" [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... setpgid resumed>) = 0 [pid 1887] <... symlink resumed>) = 0 [pid 1886] close(10 [pid 1885] close(29 [pid 1888] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1887] write(1, "executing program\n", 18 [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1885] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1888] <... symlink resumed>) = 0 [pid 1887] <... write resumed>) = 18 [pid 1886] close(11 [pid 1885] exit_group(0 [pid 1888] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1887] mkdirat(AT_FDCWD, "./config", 0777 [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1885] <... exit_group resumed>) = ? [pid 1888] <... symlink resumed>) = 0 [pid 1887] <... mkdirat resumed>) = 0 [pid 1886] close(12 [pid 1885] +++ exited with 0 +++ executing program [pid 1888] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1887] mount(NULL, "./config", "configfs", 0, NULL [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... symlink resumed>) = 0 [pid 1886] close(13) = -1 EBADF (Bad file descriptor) [pid 1887] <... mount resumed>) = 0 [pid 1886] close(14 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1886] close(15 [pid 1888] <... openat resumed>) = 3 [pid 1887] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] write(3, "1000", 4 [pid 1887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1886] close(16 [pid 1888] <... write resumed>) = 4 [pid 1887] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] close(3 [pid 1887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1886] close(17 [pid 1888] <... close resumed>) = 0 [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1886] close(18) = -1 EBADF (Bad file descriptor) [pid 1888] symlink("/dev/binderfs", "./binderfs" [pid 1887] <... mkdirat resumed>) = 0 [pid 1886] close(19) = -1 EBADF (Bad file descriptor) [pid 1888] <... symlink resumed>) = 0 [pid 1887] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1886] close(20 [pid 1888] write(1, "executing program\n", 18 [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... symlinkat resumed>) = 0 [pid 1888] <... write resumed>) = 18 [pid 1886] close(21 [pid 1887] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] mkdirat(AT_FDCWD, "./config", 0777 [pid 1886] close(22 [pid 1887] <... unlinkat resumed>) = 0 [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... mkdirat resumed>) = 0 [pid 1887] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1886] close(23 [pid 1888] mount(NULL, "./config", "configfs", 0, NULL [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1886] close(24 [pid 1887] <... unlinkat resumed>) = 0 [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... mount resumed>) = 0 [pid 1887] close(3 [pid 1886] close(25 [pid 1888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1887] close(4 [pid 1886] close(26 [pid 1888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1887] close(5 [pid 1886] close(27 [pid 1888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1886] close(28) = -1 EBADF (Bad file descriptor) [pid 1888] <... mkdirat resumed>) = 0 [pid 1887] close(6 [pid 1886] close(29 [pid 1888] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... symlinkat resumed>) = 0 [pid 1886] exit_group(0 [pid 1888] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1887] close(7 [pid 1886] <... exit_group resumed>) = ? [pid 1888] <... unlinkat resumed>) = 0 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1886] +++ exited with 0 +++ [pid 1888] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1887] close(8 [pid 1888] <... unlinkat resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1888] close(3 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] close(9 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1888] close(4 [pid 312] umount2("./318", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] close(10 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1888] close(5 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./318", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1887] close(11 [pid 1888] close(6 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] close(12 [pid 312] fstat(3 [pid 1888] close(7 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1888] close(8 [pid 1887] close(13 [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1888] close(9 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1887] close(14 [pid 1888] close(10 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] close(15 [pid 1888] close(11 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1888] close(12 [pid 1887] close(16 [pid 312] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] close(13 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1887] close(17 [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./318/config" [pid 1888] close(14 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1888] close(15 [pid 1887] close(18 [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1888] close(16 [pid 1887] close(19 [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1888] close(17 [pid 1887] close(20 [pid 312] openat(AT_FDCWD, "./318/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1888] close(18 [pid 312] <... openat resumed>) = 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] close(21 [pid 312] fstat(4 [pid 1888] close(19 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] close(22 [pid 1888] close(20 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] umount2("./310", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] close(23 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1888] close(21 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] close(24 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1888] close(22 [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 310] <... openat resumed>) = 3 [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] close(25 [pid 312] <... close resumed>) = 0 [pid 1888] close(23 [pid 311] umount2("./313", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./318/config" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1888] close(24 [pid 1887] close(26 [pid 312] <... rmdir resumed>) = 0 [pid 311] openat(AT_FDCWD, "./313", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./318/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1888] close(25 [pid 1887] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 3 [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./318/binderfs" [pid 311] fstat(3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1888] close(26 [pid 1887] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./318/binderfs" [pid 311] getdents64(3 [pid 1888] close(27 [pid 1887] close(29 [pid 310] <... umount2 resumed>) = 0 [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1888] close(28 [pid 1887] exit_group(0 [pid 311] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1887] <... exit_group resumed>) = ? [pid 312] umount2("./318/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1888] close(29) = -1 EBADF (Bad file descriptor) [pid 1887] +++ exited with 0 +++ [pid 311] <... umount2 resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./310/config" [pid 1888] exit_group(0 [pid 312] newfstatat(AT_FDCWD, "./318/cgroup.net" [pid 311] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1888] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1888] +++ exited with 0 +++ [pid 311] newfstatat(AT_FDCWD, "./313/config" [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] unlink("./318/cgroup.net" [pid 310] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./318/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./310/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] newfstatat(AT_FDCWD, "./318/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 311] openat(AT_FDCWD, "./313/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] unlink("./318/cgroup.cpu" [pid 310] fstat(4 [pid 311] <... openat resumed>) = 4 [pid 312] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] umount2("./318/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 310] getdents64(4 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] newfstatat(AT_FDCWD, "./318/cgroup" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(4 [pid 310] getdents64(4 [pid 312] unlink("./318/cgroup" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] getdents64(4 [pid 310] close(4 [pid 312] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 311] close(4 [pid 312] close(3 [pid 310] rmdir("./310/config" [pid 311] <... close resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 312] rmdir("./318" [pid 310] <... rmdir resumed>) = 0 [pid 311] rmdir("./313/config" [pid 312] <... rmdir resumed>) = 0 [pid 310] umount2("./310/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] mkdir("./319", 0777 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./310/binderfs" [pid 311] umount2("./313/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./310/binderfs" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] newfstatat(AT_FDCWD, "./313/binderfs" [pid 310] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1889 attached [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./310/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1889] set_robust_list(0x55555bb49760, 24 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 321 [pid 311] unlink("./313/binderfs" [pid 1889] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1889] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... unlink resumed>) = 0 [pid 1889] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1889] chdir("./319") = 0 [pid 1889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1889] setpgid(0, 0) = 0 [pid 1889] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] umount2("./313/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./310/cgroup.net" [pid 309] <... restart_syscall resumed>) = 0 [pid 1889] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1889] <... symlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./313/cgroup.net" [pid 310] unlink("./310/cgroup.net" [pid 1889] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1889] <... symlink resumed>) = 0 [pid 311] unlink("./313/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 1889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./305", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1889] <... openat resumed>) = 3 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./310/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1889] write(3, "1000", 4 [pid 311] umount2("./313/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1889] <... write resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1889] close(3 [pid 311] newfstatat(AT_FDCWD, "./313/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./310/cgroup.cpu" [pid 309] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1889] <... close resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1889] symlink("/dev/binderfs", "./binderfs" [pid 311] unlink("./313/cgroup.cpu" [pid 310] unlink("./310/cgroup.cpu" [pid 309] <... openat resumed>) = 3 [pid 1889] <... symlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1889] write(1, "executing program\n", 18 executing program [pid 311] umount2("./313/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./310/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 1889] <... write resumed>) = 18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1889] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./313/cgroup" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1889] <... mkdirat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./310/cgroup" [pid 1889] mount(NULL, "./config", "configfs", 0, NULL [pid 311] unlink("./313/cgroup" [pid 309] getdents64(3 [pid 1889] <... mount resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1889] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./310/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1889] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] getdents64(3 [pid 1889] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./323", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1889] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 310] getdents64(3 [pid 1889] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] openat(AT_FDCWD, "./323", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1889] <... mkdirat resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] rmdir("./313" [pid 310] close(3 [pid 309] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1889] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] fstat(3 [pid 311] <... rmdir resumed>) = 0 [pid 1889] <... symlinkat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] mkdir("./314", 0777 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1889] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] getdents64(3 [pid 1889] <... unlinkat resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] rmdir("./310" [pid 309] newfstatat(AT_FDCWD, "./305/config" [pid 1889] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1889] <... unlinkat resumed>) = 0 [pid 313] umount2("./323/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1889] close(3 [pid 313] <... umount2 resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] mkdir("./311", 0777 [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./323/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./305/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1889] close(4) = -1 EBADF (Bad file descriptor) [pid 1889] close(5) = -1 EBADF (Bad file descriptor) [pid 1889] close(6) = -1 EBADF (Bad file descriptor) [pid 1889] close(7ci2-android-5-15/strace-static-x86_64: Process 1890 attached ) = -1 EBADF (Bad file descriptor) [pid 1889] close(8) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 1889] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 316 [pid 1890] set_robust_list(0x55555bb49760, 24 [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./323/config" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] openat(AT_FDCWD, "./305/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1890] <... set_robust_list resumed>) = 0 [pid 1889] close(10 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 4 [pid 1890] rt_sigprocmask(SIG_SETMASK, [] [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./323/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1889] close(11) = -1 EBADF (Bad file descriptor) [pid 1889] close(12) = -1 EBADF (Bad file descriptor) [pid 1889] close(13) = -1 EBADF (Bad file descriptor) [pid 1889] close(14) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1891 attached [pid 1889] close(15 [pid 1890] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 1891] set_robust_list(0x55555bb49760, 24 [pid 1890] chdir("./314" [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./323/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1891] <... set_robust_list resumed>) = 0 [pid 1890] <... chdir resumed>) = 0 [pid 1889] close(16 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 313 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1891] rt_sigprocmask(SIG_SETMASK, [] [pid 1890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1891] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1890] <... prctl resumed>) = 0 [pid 1889] close(17 [pid 313] fstat(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 1891] chdir("./311" [pid 1890] setpgid(0, 0 [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1891] <... chdir resumed>) = 0 [pid 1890] <... setpgid resumed>) = 0 [pid 1889] close(18 [pid 313] getdents64(4 [pid 309] getdents64(4 [pid 1891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1890] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1891] <... prctl resumed>) = 0 [pid 1890] <... symlink resumed>) = 0 [pid 1889] close(19 [pid 313] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1891] setpgid(0, 0 [pid 1890] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 1891] <... setpgid resumed>) = 0 [pid 1890] <... symlink resumed>) = 0 [pid 1889] close(20 [pid 313] close(4 [pid 1891] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1890] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 1891] <... symlink resumed>) = 0 [pid 1890] <... symlink resumed>) = 0 [pid 1889] close(21 [pid 309] rmdir("./305/config" [pid 1891] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./323/config" [pid 1891] <... symlink resumed>) = 0 [pid 1889] close(22 [pid 309] <... rmdir resumed>) = 0 [pid 1890] <... openat resumed>) = 3 [pid 1891] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1891] <... symlink resumed>) = 0 [pid 1890] write(3, "1000", 4 [pid 1889] close(23 [pid 313] umount2("./323/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./305/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1890] <... write resumed>) = 4 [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1891] <... openat resumed>) = 3 [pid 1890] close(3 [pid 1889] close(24 [pid 313] newfstatat(AT_FDCWD, "./323/binderfs" [pid 309] newfstatat(AT_FDCWD, "./305/binderfs" [pid 1891] write(3, "1000", 4 [pid 1890] <... close resumed>) = 0 [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1891] <... write resumed>) = 4 [pid 1890] symlink("/dev/binderfs", "./binderfs" [pid 1889] close(25 [pid 313] unlink("./323/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1891] close(3 [pid 1890] <... symlink resumed>) = 0 [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1891] <... close resumed>) = 0 [pid 1890] write(1, "executing program\n", 18 [pid 1889] close(26 [pid 313] <... unlink resumed>) = 0 [pid 309] unlink("./305/binderfs" executing program [pid 1891] symlink("/dev/binderfs", "./binderfs" [pid 1890] <... write resumed>) = 18 [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./323/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1891] <... symlink resumed>) = 0 [pid 1889] close(27 [pid 309] <... unlink resumed>) = 0 [pid 1891] write(1, "executing program\n", 18 [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1891] <... write resumed>) = 18 executing program [pid 1889] close(28 [pid 1891] mkdirat(AT_FDCWD, "./config", 0777 [pid 1890] mkdirat(AT_FDCWD, "./config", 0777 [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./305/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1891] <... mkdirat resumed>) = 0 [pid 1890] <... mkdirat resumed>) = 0 [pid 1889] close(29 [pid 313] newfstatat(AT_FDCWD, "./323/cgroup.net" [pid 1891] mount(NULL, "./config", "configfs", 0, NULL [pid 1890] mount(NULL, "./config", "configfs", 0, NULL [pid 1889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1891] <... mount resumed>) = 0 [pid 1890] <... mount resumed>) = 0 [pid 1889] exit_group(0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./305/cgroup.net" [pid 1891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1889] <... exit_group resumed>) = ? [pid 313] unlink("./323/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1891] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1890] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1889] +++ exited with 0 +++ [pid 313] <... unlink resumed>) = 0 [pid 1891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./323/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./305/cgroup.net" [pid 1891] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1890] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] newfstatat(AT_FDCWD, "./323/cgroup.cpu" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 1891] <... mkdirat resumed>) = 0 [pid 1890] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1891] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1890] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] unlink("./323/cgroup.cpu" [pid 309] umount2("./305/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1891] <... symlinkat resumed>) = 0 [pid 1890] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1891] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1890] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1891] <... unlinkat resumed>) = 0 [pid 313] umount2("./323/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./305/cgroup.cpu" [pid 1891] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1890] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1891] <... unlinkat resumed>) = 0 [pid 1890] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] newfstatat(AT_FDCWD, "./323/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1891] close(3 [pid 1890] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./305/cgroup.cpu" [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] close(3 [pid 313] unlink("./323/cgroup" [pid 1891] close(4 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] close(4 [pid 313] <... unlink resumed>) = 0 [pid 309] umount2("./305/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1891] close(5 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] close(5 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1891] close(6 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 309] newfstatat(AT_FDCWD, "./305/cgroup" [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] close(6 [pid 313] <... close resumed>) = 0 [pid 1891] close(7 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./323" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] close(7 [pid 1891] close(8 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] unlink("./305/cgroup" [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] close(8 [pid 313] mkdir("./324", 0777 [pid 1891] close(9 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1891] close(10 [pid 1890] close(9 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1891] close(11 [pid 1890] close(10 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] umount2("./319", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1891] close(12 [pid 1890] close(11 [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1891] close(13) = -1 EBADF (Bad file descriptor) [pid 1891] close(14) = -1 EBADF (Bad file descriptor) [pid 1891] close(15) = -1 EBADF (Bad file descriptor) [pid 1891] close(16) = -1 EBADF (Bad file descriptor) [pid 1891] close(17ci2-android-5-15/strace-static-x86_64: Process 1892 attached ) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 326 [pid 1891] close(18 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 1892] set_robust_list(0x55555bb49760, 24 [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] close(12 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] openat(AT_FDCWD, "./319", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./305" [pid 1892] <... set_robust_list resumed>) = 0 [pid 1891] close(19 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... openat resumed>) = 3 [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1892] rt_sigprocmask(SIG_SETMASK, [] [pid 1891] close(20 [pid 1890] close(13 [pid 312] fstat(3 [pid 309] mkdir("./306", 0777 [pid 1892] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1892] chdir("./324" [pid 1891] close(21 [pid 1890] close(14 [pid 309] <... mkdir resumed>) = 0 [pid 1892] <... chdir resumed>) = 0 [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1891] close(22 [pid 1890] close(15 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1892] <... prctl resumed>) = 0 [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1892] setpgid(0, 0 [pid 1891] close(23 [pid 1890] close(16 [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1891] close(24) = -1 EBADF (Bad file descriptor) [pid 1891] close(25) = -1 EBADF (Bad file descriptor) [pid 1891] close(26) = -1 EBADF (Bad file descriptor) [pid 1891] close(27) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1893 attached [pid 1892] <... setpgid resumed>) = 0 [pid 1891] close(28 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1893] set_robust_list(0x55555bb49760, 24 [pid 1892] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] close(17 [pid 312] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 308 [pid 1893] <... set_robust_list resumed>) = 0 [pid 1892] <... symlink resumed>) = 0 [pid 1891] close(29 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1893] rt_sigprocmask(SIG_SETMASK, [] [pid 1892] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1890] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1893] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1892] <... symlink resumed>) = 0 [pid 1891] exit_group(0 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./319/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1893] chdir("./306" [pid 1892] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1891] <... exit_group resumed>) = ? [pid 1890] close(19 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1893] <... chdir resumed>) = 0 [pid 1892] <... symlink resumed>) = 0 [pid 1891] +++ exited with 0 +++ [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1890] close(20 [pid 1893] <... prctl resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1893] setpgid(0, 0 [pid 1892] <... openat resumed>) = 3 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] openat(AT_FDCWD, "./319/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1893] <... setpgid resumed>) = 0 [pid 1892] write(3, "1000", 4 [pid 1890] close(21 [pid 1893] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1892] <... write resumed>) = 4 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1893] <... symlink resumed>) = 0 [pid 1892] close(3 [pid 1890] close(22 [pid 312] fstat(4 [pid 1893] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1892] <... close resumed>) = 0 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1893] <... symlink resumed>) = 0 [pid 1892] symlink("/dev/binderfs", "./binderfs" [pid 1890] close(23 [pid 1893] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 312] getdents64(4 [pid 1893] <... symlink resumed>) = 0 [pid 1892] <... symlink resumed>) = 0 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1892] write(1, "executing program\n", 18 [pid 1890] close(24 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1893] <... openat resumed>) = 3 [pid 1892] <... write resumed>) = 18 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1893] write(3, "1000", 4 executing program [pid 312] getdents64(4 [pid 1893] <... write resumed>) = 4 [pid 1892] mkdirat(AT_FDCWD, "./config", 0777 [pid 1890] close(25 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1893] close(3) = 0 [pid 1892] <... mkdirat resumed>) = 0 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1893] symlink("/dev/binderfs", "./binderfs" [pid 1892] mount(NULL, "./config", "configfs", 0, NULL [pid 1890] close(26 [pid 310] <... restart_syscall resumed>) = 0 [pid 1893] <... symlink resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 1892] <... mount resumed>) = 0 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1893] write(1, "executing program\n", 18 [pid 1892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1890] close(27 [pid 312] rmdir("./319/config" [pid 1893] <... write resumed>) = 18 [pid 1892] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1893] mkdirat(AT_FDCWD, "./config", 0777 [pid 1890] close(28 [pid 1892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] umount2("./319/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./311", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1893] <... mkdirat resumed>) = 0 executing program [pid 1892] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1893] mount(NULL, "./config", "configfs", 0, NULL [pid 1892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1890] close(29 [pid 312] newfstatat(AT_FDCWD, "./319/binderfs" [pid 1893] <... mount resumed>) = 0 [pid 1892] <... mkdirat resumed>) = 0 [pid 1890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1890] exit_group(0 [pid 1892] <... symlinkat resumed>) = 0 [pid 1890] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 3 [pid 1893] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1892] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] unlink("./319/binderfs" [pid 1890] +++ exited with 0 +++ [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 1893] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1892] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1893] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1892] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] umount2("./319/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1893] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 1893] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1892] <... unlinkat resumed>) = 0 [pid 310] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./319/cgroup.net" [pid 1893] <... mkdirat resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1893] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1892] close(3 [pid 310] <... umount2 resumed>) = 0 [pid 312] unlink("./319/cgroup.net" [pid 1893] <... symlinkat resumed>) = 0 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1893] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1892] close(4 [pid 312] umount2("./319/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1893] <... unlinkat resumed>) = 0 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./311/config" [pid 1893] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1892] close(5 [pid 312] newfstatat(AT_FDCWD, "./319/cgroup.cpu" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1893] <... unlinkat resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1893] close(3 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./319/cgroup.cpu" [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(6 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1893] close(4 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(7 [pid 312] umount2("./319/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./311/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1893] close(5 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(8 [pid 312] newfstatat(AT_FDCWD, "./319/cgroup" [pid 310] <... openat resumed>) = 4 [pid 1893] close(6 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(9 [pid 312] unlink("./319/cgroup" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1893] close(7 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 1892] close(10 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1893] close(8 [pid 1892] close(11 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1893] close(9 [pid 1892] close(12 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 310] close(4 [pid 1893] close(10 [pid 1892] close(13 [pid 312] rmdir("./319" [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1893] close(11 [pid 1892] close(14 [pid 312] <... rmdir resumed>) = 0 [pid 310] rmdir("./311/config" [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./320", 0777 [pid 1893] close(12 [pid 1892] close(15 [pid 310] <... rmdir resumed>) = 0 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 310] umount2("./311/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1893] close(13 [pid 1892] close(16 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1893] close(14 [pid 1892] close(17 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./311/binderfs" [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1894 attached [pid 1893] close(15 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1894] set_robust_list(0x55555bb49760, 24 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(18 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 322 [pid 310] unlink("./311/binderfs" [pid 1894] <... set_robust_list resumed>) = 0 [pid 1893] close(16 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1894] rt_sigprocmask(SIG_SETMASK, [] [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(19 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1894] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1893] close(17 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./311/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1894] chdir("./320") = 0 [pid 1894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(20 [pid 1894] setpgid(0, 0 [pid 1893] close(18 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1894] <... setpgid resumed>) = 0 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(21 [pid 310] newfstatat(AT_FDCWD, "./311/cgroup.net" [pid 1894] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1893] close(19 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1894] <... symlink resumed>) = 0 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(22 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1894] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1893] close(20 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 310] unlink("./311/cgroup.net" [pid 1894] <... symlink resumed>) = 0 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(23 [pid 1894] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1893] close(21 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1894] <... symlink resumed>) = 0 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(24 [pid 310] umount2("./311/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1893] close(22 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./314", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1894] <... openat resumed>) = 3 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(25 [pid 1894] write(3, "1000", 4 [pid 1893] close(23 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./311/cgroup.cpu" [pid 1894] <... write resumed>) = 4 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(26 [pid 311] openat(AT_FDCWD, "./314", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1894] close(3 [pid 1893] close(24 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1894] <... close resumed>) = 0 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(27 [pid 311] <... openat resumed>) = 3 [pid 310] unlink("./311/cgroup.cpu" [pid 1894] symlink("/dev/binderfs", "./binderfs" [pid 1893] close(25 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 310] <... unlink resumed>) = 0 [pid 1894] <... symlink resumed>) = 0 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(28 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1894] write(1, "executing program\n", 18 [pid 1893] close(26 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./311/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1894] <... write resumed>) = 18 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1892] close(29 executing program [pid 311] getdents64(3 [pid 1894] mkdirat(AT_FDCWD, "./config", 0777 [pid 1893] close(27 [pid 1892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1894] <... mkdirat resumed>) = 0 [pid 1892] exit_group(0 [pid 310] newfstatat(AT_FDCWD, "./311/cgroup" [pid 1893] close(28 [pid 1894] mount(NULL, "./config", "configfs", 0, NULL [pid 1892] <... exit_group resumed>) = ? [pid 311] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1894] <... mount resumed>) = 0 [pid 1892] +++ exited with 0 +++ [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 1893] close(29 [pid 310] unlink("./311/cgroup" [pid 1894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = 0 [pid 1894] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 1894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1893] exit_group(0 [pid 311] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1894] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1893] <... exit_group resumed>) = ? [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1893] +++ exited with 0 +++ [pid 311] newfstatat(AT_FDCWD, "./314/config" [pid 310] close(3 [pid 1894] <... mkdirat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1894] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1894] <... symlinkat resumed>) = 0 [pid 310] rmdir("./311" [pid 1894] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rmdir resumed>) = 0 [pid 1894] <... unlinkat resumed>) = 0 [pid 311] openat(AT_FDCWD, "./314/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./312", 0777 [pid 1894] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... openat resumed>) = 4 [pid 311] fstat(4 [pid 310] <... mkdir resumed>) = 0 [pid 1894] <... unlinkat resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1894] close(3 [pid 311] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1894] close(4 [pid 311] getdents64(4ci2-android-5-15/strace-static-x86_64: Process 1895 attached [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1895] set_robust_list(0x55555bb49760, 24 [pid 1894] close(5 [pid 311] close(4 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 314 [pid 1895] <... set_robust_list resumed>) = 0 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1895] rt_sigprocmask(SIG_SETMASK, [] [pid 1894] close(6 [pid 311] rmdir("./314/config" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1895] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1895] chdir("./312" [pid 311] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1895] <... chdir resumed>) = 0 [pid 1894] close(7 [pid 311] umount2("./314/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1895] <... prctl resumed>) = 0 [pid 1894] close(8 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1895] setpgid(0, 0 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./314/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 1895] <... setpgid resumed>) = 0 [pid 1894] close(9 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1895] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./314/binderfs" [pid 1895] <... symlink resumed>) = 0 [pid 1894] close(10 [pid 1895] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 1895] <... symlink resumed>) = 0 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./314/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1895] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1894] close(11 [pid 1895] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./306", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./314/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1895] <... openat resumed>) = 3 [pid 1894] close(12 [pid 1895] write(3, "1000", 4 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1895] <... write resumed>) = 4 [pid 1894] close(13 [pid 311] unlink("./314/cgroup.net" [pid 1895] close(3 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 3 [pid 1895] <... close resumed>) = 0 [pid 1894] close(14 [pid 311] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1895] symlink("/dev/binderfs", "./binderfs" [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./314/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1895] <... symlink resumed>) = 0 [pid 1894] close(15 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1895] write(1, "executing program\n", 18 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1895] <... write resumed>) = 18 executing program [pid 1894] close(16 [pid 311] newfstatat(AT_FDCWD, "./314/cgroup.cpu" [pid 1895] mkdirat(AT_FDCWD, "./config", 0777 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1895] <... mkdirat resumed>) = 0 [pid 1894] close(17 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1895] mount(NULL, "./config", "configfs", 0, NULL [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./314/cgroup.cpu" [pid 1895] <... mount resumed>) = 0 [pid 1894] close(18 [pid 309] <... umount2 resumed>) = 0 [pid 1895] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1895] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1894] close(19 [pid 311] umount2("./314/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1895] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1895] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1894] close(20 [pid 311] newfstatat(AT_FDCWD, "./314/cgroup" [pid 309] newfstatat(AT_FDCWD, "./306/config" [pid 1895] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1895] <... mkdirat resumed>) = 0 [pid 1894] close(21 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] unlink("./314/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1895] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1895] <... symlinkat resumed>) = 0 [pid 1894] close(22 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./306/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1895] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1895] <... unlinkat resumed>) = 0 [pid 1894] close(23 [pid 313] umount2("./324", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1895] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 309] openat(AT_FDCWD, "./306/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1895] <... unlinkat resumed>) = 0 [pid 1894] close(24 [pid 313] openat(AT_FDCWD, "./324", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... close resumed>) = 0 [pid 1895] close(3 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 313] <... openat resumed>) = 3 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1894] close(25 [pid 313] fstat(3 [pid 311] rmdir("./314" [pid 309] fstat(4 [pid 1895] close(4 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1894] close(26 [pid 313] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1895] close(5 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] mkdir("./315", 0777 [pid 309] getdents64(4 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1894] close(27 [pid 313] umount2("./324/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1895] close(6 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1894] close(28 [pid 313] <... umount2 resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 1895] close(7 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./324/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1894] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(4 [pid 1895] close(8 [pid 1894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./324/config" [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1895] close(9) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1896 attached [pid 1895] close(10 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 1896] set_robust_list(0x55555bb49760, 24 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1894] exit_group(0 [pid 313] umount2("./324/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 317 [pid 309] rmdir("./306/config" [pid 1896] <... set_robust_list resumed>) = 0 [pid 1895] close(11 [pid 1894] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1896] rt_sigprocmask(SIG_SETMASK, [] [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 1896] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1895] close(12 [pid 1896] chdir("./315" [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1896] <... chdir resumed>) = 0 [pid 1895] close(13 [pid 1896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1896] <... prctl resumed>) = 0 [pid 1895] close(14 [pid 1894] +++ exited with 0 +++ [pid 313] openat(AT_FDCWD, "./324/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1896] setpgid(0, 0 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./306/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1896] <... setpgid resumed>) = 0 [pid 1895] close(15 [pid 313] <... openat resumed>) = 4 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1896] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./306/binderfs" [pid 1896] <... symlink resumed>) = 0 [pid 1895] close(16 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1896] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1896] <... symlink resumed>) = 0 [pid 1895] close(17 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./306/binderfs" [pid 1896] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1896] <... symlink resumed>) = 0 [pid 1895] close(18 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 309] umount2("./306/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1896] <... openat resumed>) = 3 [pid 1895] close(19 [pid 313] <... close resumed>) = 0 [pid 1896] write(3, "1000", 4 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./324/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./320", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1896] <... write resumed>) = 4 [pid 1895] close(20 [pid 313] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./306/cgroup.net" [pid 1896] close(3 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./324/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1896] <... close resumed>) = 0 [pid 1895] close(21 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./320", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1896] symlink("/dev/binderfs", "./binderfs" [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./324/binderfs" [pid 312] <... openat resumed>) = 3 [pid 309] unlink("./306/cgroup.net" [pid 1896] <... symlink resumed>) = 0 [pid 1895] close(22 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] fstat(3 [pid 1896] write(1, "executing program\n", 18 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./324/binderfs" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1896] <... write resumed>) = 18 executing program [pid 1895] close(23 [pid 313] <... unlink resumed>) = 0 [pid 1896] mkdirat(AT_FDCWD, "./config", 0777 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./324/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] getdents64(3 [pid 309] umount2("./306/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1896] <... mkdirat resumed>) = 0 [pid 1895] close(24 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1896] mount(NULL, "./config", "configfs", 0, NULL [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./324/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1896] <... mount resumed>) = 0 [pid 1895] close(25 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./320/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./306/cgroup.cpu" [pid 1896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./324/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1896] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1895] close(26 [pid 312] <... umount2 resumed>) = 0 [pid 1896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] unlink("./306/cgroup.cpu" [pid 1896] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1895] close(27 [pid 313] umount2("./324/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./320/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1896] <... mkdirat resumed>) = 0 [pid 1895] close(28 [pid 313] newfstatat(AT_FDCWD, "./324/cgroup.cpu" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./306/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1896] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./320/config" [pid 1896] <... symlinkat resumed>) = 0 [pid 1895] close(29 [pid 313] unlink("./324/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1896] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1896] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./306/cgroup" [pid 1896] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1895] exit_group(0 [pid 313] umount2("./324/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] umount2("./320/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1896] <... unlinkat resumed>) = 0 [pid 1895] <... exit_group resumed>) = ? [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1896] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1896] close(4) = -1 EBADF (Bad file descriptor) [pid 1896] close(5) = -1 EBADF (Bad file descriptor) [pid 1896] close(6) = -1 EBADF (Bad file descriptor) [pid 1896] close(7) = -1 EBADF (Bad file descriptor) [pid 1896] close(8) = -1 EBADF (Bad file descriptor) [pid 1896] close(9 [pid 1895] +++ exited with 0 +++ [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./324/cgroup" [pid 312] openat(AT_FDCWD, "./320/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./306/cgroup" [pid 1896] close(10 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... openat resumed>) = 4 [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./324/cgroup" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] fstat(4 [pid 309] <... unlink resumed>) = 0 [pid 1896] close(11 [pid 313] <... unlink resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(3 [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1896] close(12 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] close(3 [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 312] getdents64(4 [pid 1896] close(13 [pid 313] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./324" [pid 312] close(4 [pid 309] rmdir("./306" [pid 1896] close(14 [pid 313] <... rmdir resumed>) = 0 [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 313] mkdir("./325", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 1896] close(15 [pid 313] <... mkdir resumed>) = 0 [pid 312] rmdir("./320/config" [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] mkdir("./307", 0777 [pid 1896] close(16 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... rmdir resumed>) = 0 [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] umount2("./320/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 1896] close(17) = -1 EBADF (Bad file descriptor) [pid 1896] close(18) = -1 EBADF (Bad file descriptor) [pid 1896] close(19) = -1 EBADF (Bad file descriptor) [pid 1896] close(20) = -1 EBADF (Bad file descriptor) [pid 1896] close(21) = -1 EBADF (Bad file descriptor) [pid 1896] close(22ci2-android-5-15/strace-static-x86_64: Process 1897 attached ) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1897] set_robust_list(0x55555bb49760, 24 [pid 1896] close(23 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 327 [pid 312] newfstatat(AT_FDCWD, "./320/binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1897] <... set_robust_list resumed>) = 0 [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1897] rt_sigprocmask(SIG_SETMASK, [] [pid 1896] close(24 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] unlink("./320/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1897] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] umount2("./312", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1897] chdir("./325") = 0 [pid 1897] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 1898 attached ) = 0 [pid 1896] close(25 [pid 1897] setpgid(0, 0 [pid 312] umount2("./320/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1898] set_robust_list(0x55555bb49760, 24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 309 [pid 1898] <... set_robust_list resumed>) = 0 [pid 1897] <... setpgid resumed>) = 0 [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./312", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1898] rt_sigprocmask(SIG_SETMASK, [] [pid 1897] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1896] close(26 [pid 312] newfstatat(AT_FDCWD, "./320/cgroup.net" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1898] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1897] <... symlink resumed>) = 0 [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1898] chdir("./307" [pid 1897] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1896] close(27 [pid 312] unlink("./320/cgroup.net" [pid 310] fstat(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1898] <... chdir resumed>) = 0 [pid 1897] <... symlink resumed>) = 0 [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1897] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1896] close(28 [pid 312] umount2("./320/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1898] <... prctl resumed>) = 0 [pid 1897] <... symlink resumed>) = 0 [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1898] setpgid(0, 0 [pid 1897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1896] close(29 [pid 312] newfstatat(AT_FDCWD, "./320/cgroup.cpu" [pid 310] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1898] <... setpgid resumed>) = 0 [pid 1897] <... openat resumed>) = 3 [pid 1897] write(3, "1000", 4) = 4 [pid 1897] close(3) = 0 [pid 1897] symlink("/dev/binderfs", "./binderfs" executing program [pid 1898] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1897] <... symlink resumed>) = 0 [pid 1896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1898] <... symlink resumed>) = 0 [pid 1897] write(1, "executing program\n", 18) = 18 [pid 1898] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1896] exit_group(0 [pid 312] unlink("./320/cgroup.cpu" [pid 310] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1897] mkdirat(AT_FDCWD, "./config", 0777 [pid 1898] <... symlink resumed>) = 0 [pid 1897] <... mkdirat resumed>) = 0 [pid 1896] <... exit_group resumed>) = ? [pid 312] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1898] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1897] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1896] +++ exited with 0 +++ [pid 1898] <... symlink resumed>) = 0 [pid 1897] <... mkdirat resumed>) = 0 [pid 312] umount2("./320/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./312/config" [pid 1898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1897] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1898] <... openat resumed>) = 3 [pid 1897] <... symlinkat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./320/cgroup" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1898] write(3, "1000", 4 [pid 1897] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1898] <... write resumed>) = 4 [pid 1897] <... unlinkat resumed>) = 0 [pid 312] unlink("./320/cgroup" [pid 1898] close(3 [pid 1897] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1898] <... close resumed>) = 0 [pid 1897] <... unlinkat resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./312/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1898] symlink("/dev/binderfs", "./binderfs" [pid 1897] close(3 [pid 312] getdents64(3 [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1898] <... symlink resumed>) = 0 [pid 1897] close(4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] fstat(4 [pid 1898] write(1, "executing program\n", 18 [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1898] <... write resumed>) = 18 executing program [pid 1897] close(5 [pid 312] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 1898] mkdirat(AT_FDCWD, "./config", 0777 [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./320" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1898] <... mkdirat resumed>) = 0 [pid 1897] close(6 [pid 1898] mount(NULL, "./config", "configfs", 0, NULL [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 1897] close(7 [pid 1898] <... mount resumed>) = 0 [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./321", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1897] close(8) = -1 EBADF (Bad file descriptor) [pid 1898] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... mkdir resumed>) = 0 [pid 310] close(4 [pid 1898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1897] close(9 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1898] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... close resumed>) = 0 [pid 1898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1897] close(10 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./312/config" [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1897] close(11 [pid 1898] <... mkdirat resumed>) = 0 [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1897] close(12) = -1 EBADF (Bad file descriptor) [pid 1897] close(13) = -1 EBADF (Bad file descriptor) [pid 1897] close(14) = -1 EBADF (Bad file descriptor) [pid 1897] close(15) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1899 attached [pid 1898] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1897] close(16 [pid 310] <... rmdir resumed>) = 0 [pid 1899] set_robust_list(0x55555bb49760, 24 [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 1899] <... set_robust_list resumed>) = 0 [pid 1898] <... symlinkat resumed>) = 0 [pid 1897] close(17 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 323 [pid 310] umount2("./312/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1899] rt_sigprocmask(SIG_SETMASK, [] [pid 1898] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1899] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1898] <... unlinkat resumed>) = 0 [pid 1897] close(18 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1899] chdir("./321" [pid 1898] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./315", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1899] <... chdir resumed>) = 0 [pid 1897] close(19 [pid 310] newfstatat(AT_FDCWD, "./312/binderfs" [pid 1899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1898] <... unlinkat resumed>) = 0 [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1899] <... prctl resumed>) = 0 [pid 1898] close(3 [pid 1897] close(20 [pid 311] openat(AT_FDCWD, "./315", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1899] setpgid(0, 0 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 310] unlink("./312/binderfs" [pid 1899] <... setpgid resumed>) = 0 [pid 1898] close(4 [pid 1897] close(21 [pid 311] fstat(3 [pid 1899] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1899] <... symlink resumed>) = 0 [pid 1897] close(22 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1899] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1899] <... symlink resumed>) = 0 [pid 1898] close(5 [pid 1897] close(23 [pid 310] umount2("./312/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1899] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1899] <... symlink resumed>) = 0 [pid 1898] close(6 [pid 1897] close(24 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./312/cgroup.net" [pid 1899] <... openat resumed>) = 3 [pid 1898] close(7 [pid 1897] close(25 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1899] write(3, "1000", 4 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./312/cgroup.net" [pid 1899] <... write resumed>) = 4 [pid 1898] close(8 [pid 1897] close(26 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1899] close(3 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./315/config" [pid 310] <... unlink resumed>) = 0 [pid 1899] <... close resumed>) = 0 [pid 1898] close(9 [pid 1897] close(27 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./312/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1899] symlink("/dev/binderfs", "./binderfs" [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1899] <... symlink resumed>) = 0 [pid 1898] close(10 [pid 1897] close(28 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1899] write(1, "executing program\n", 18 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./312/cgroup.cpu" [pid 1899] <... write resumed>) = 18 [pid 1898] close(11 [pid 1897] close(29 [pid 311] openat(AT_FDCWD, "./315/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1899] mkdirat(AT_FDCWD, "./config", 0777 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1899] <... mkdirat resumed>) = 0 [pid 1898] close(12 [pid 1897] exit_group(0 [pid 311] <... openat resumed>) = 4 [pid 310] unlink("./312/cgroup.cpu" [pid 1899] mount(NULL, "./config", "configfs", 0, NULL [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1897] <... exit_group resumed>) = ? [pid 311] fstat(4 [pid 1899] <... mount resumed>) = 0 [pid 1898] close(13 [pid 1897] +++ exited with 0 +++ [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] umount2("./312/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1899] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1898] close(14 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./312/cgroup" [pid 1899] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1898] close(15 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1899] <... mkdirat resumed>) = 0 [pid 1898] close(16 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./312/cgroup" [pid 1899] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./315/config" [pid 1899] <... symlinkat resumed>) = 0 [pid 1898] close(17 [pid 310] <... unlink resumed>) = 0 [pid 1899] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... rmdir resumed>) = 0 [pid 1899] <... unlinkat resumed>) = 0 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./315/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1899] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1898] close(18 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1899] <... unlinkat resumed>) = 0 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./315/binderfs" [pid 310] close(3 [pid 1899] close(3 [pid 1898] close(19 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./315/binderfs" [pid 310] <... close resumed>) = 0 [pid 1899] close(4 [pid 1898] close(20 [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./312" [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./315/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1899] close(5 [pid 1898] close(21 [pid 310] <... rmdir resumed>) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./313", 0777 [pid 1899] close(6 [pid 1898] close(22 [pid 311] newfstatat(AT_FDCWD, "./315/cgroup.net" [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 1899] close(7 [pid 1898] close(23 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./315/cgroup.net" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1899] close(8 [pid 1898] close(24 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1899] close(9 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./315/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1899] close(10) = -1 EBADF (Bad file descriptor) [pid 1899] close(11) = -1 EBADF (Bad file descriptor) [pid 1899] close(12) = -1 EBADF (Bad file descriptor) [pid 1899] close(13ci2-android-5-15/strace-static-x86_64: Process 1900 attached ) = -1 EBADF (Bad file descriptor) [pid 1898] close(25 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1900] set_robust_list(0x55555bb49760, 24 [pid 1899] close(14 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./315/cgroup.cpu" [pid 1900] <... set_robust_list resumed>) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1898] close(26 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 315 [pid 1900] rt_sigprocmask(SIG_SETMASK, [] [pid 1899] close(15 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./325", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1900] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1898] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./315/cgroup.cpu" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1900] chdir("./313" [pid 1899] close(16 [pid 1900] <... chdir resumed>) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1899] close(17 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./325", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1900] <... prctl resumed>) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1898] close(28 [pid 311] <... unlink resumed>) = 0 [pid 1900] setpgid(0, 0 [pid 1899] close(18 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] umount2("./315/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1900] <... setpgid resumed>) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1898] close(29 [pid 313] fstat(3 [pid 1900] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1899] close(19 [pid 1898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1900] <... symlink resumed>) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1898] exit_group(0 [pid 313] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./315/cgroup" [pid 1900] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1899] close(20 [pid 1898] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1900] <... symlink resumed>) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1900] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1899] close(21 [pid 1900] <... symlink resumed>) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1898] +++ exited with 0 +++ [pid 1900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1899] close(22 [pid 313] umount2("./325/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] unlink("./315/cgroup" [pid 1900] <... openat resumed>) = 3 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 1900] write(3, "1000", 4 [pid 1899] close(23 [pid 313] umount2("./325/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1900] <... write resumed>) = 4 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1900] close(3 [pid 1899] close(24 [pid 313] newfstatat(AT_FDCWD, "./325/config" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1900] <... close resumed>) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(3 [pid 1900] symlink("/dev/binderfs", "./binderfs" [pid 1899] close(25 [pid 313] umount2("./325/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1900] <... symlink resumed>) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 1900] write(1, "executing program\n", 18 [pid 1899] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 311] rmdir("./315" [pid 1900] <... write resumed>) = 18 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./325/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1900] mkdirat(AT_FDCWD, "./config", 0777 [pid 1899] close(27 [pid 311] <... rmdir resumed>) = 0 [pid 1900] <... mkdirat resumed>) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1900] mount(NULL, "./config", "configfs", 0, NULL [pid 1899] close(28 [pid 313] fstat(4 [pid 311] mkdir("./316", 0777 [pid 1900] <... mount resumed>) = 0 [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1899] close(29 [pid 313] getdents64(4 [pid 311] <... mkdir resumed>) = 0 [pid 1900] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1899] exit_group(0 [pid 313] getdents64(4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1900] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1899] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1899] +++ exited with 0 +++ [pid 313] close(4 [pid 1900] <... mkdirat resumed>) = 0 [pid 1900] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-5-15/strace-static-x86_64: Process 1901 attached ) = 0 [pid 313] <... close resumed>) = 0 [pid 1901] set_robust_list(0x55555bb49760, 24 [pid 1900] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] rmdir("./325/config" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 318 [pid 1901] <... set_robust_list resumed>) = 0 [pid 1900] <... unlinkat resumed>) = 0 [pid 1900] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... rmdir resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1901] rt_sigprocmask(SIG_SETMASK, [] [pid 1900] <... unlinkat resumed>) = 0 [pid 313] umount2("./325/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1901] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1900] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1901] chdir("./316" [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./325/binderfs" [pid 1901] <... chdir resumed>) = 0 [pid 1900] close(4) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 1901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1900] close(5 [pid 313] unlink("./325/binderfs" [pid 1901] <... prctl resumed>) = 0 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1900] close(6 [pid 313] <... unlink resumed>) = 0 [pid 1901] setpgid(0, 0 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./325/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1901] <... setpgid resumed>) = 0 [pid 1900] close(7) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1901] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 312] umount2("./321", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1900] close(8 [pid 313] newfstatat(AT_FDCWD, "./325/cgroup.net" [pid 1901] <... symlink resumed>) = 0 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1901] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1900] close(9 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./321", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1901] <... symlink resumed>) = 0 [pid 1900] close(10 [pid 313] unlink("./325/cgroup.net" [pid 1901] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1900] close(11 [pid 313] <... unlink resumed>) = 0 [pid 1901] <... symlink resumed>) = 0 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1900] close(12 [pid 313] umount2("./325/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1901] <... openat resumed>) = 3 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1901] write(3, "1000", 4 [pid 1900] close(13 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] getdents64(3 [pid 1901] <... write resumed>) = 4 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./325/cgroup.cpu" [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1901] close(3 [pid 1900] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1901] <... close resumed>) = 0 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./325/cgroup.cpu" [pid 312] umount2("./321/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1901] symlink("/dev/binderfs", "./binderfs" [pid 1900] close(15) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1901] <... symlink resumed>) = 0 [pid 1900] close(16 [pid 312] <... umount2 resumed>) = 0 [pid 313] umount2("./325/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1901] write(1, "executing program\n", 18 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./321/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1901] <... write resumed>) = 18 [pid 1900] close(17 [pid 313] newfstatat(AT_FDCWD, "./325/cgroup" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1901] mkdirat(AT_FDCWD, "./config", 0777 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... restart_syscall resumed>) = 0 [pid 1900] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./321/config" [pid 1901] <... mkdirat resumed>) = 0 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./325/cgroup" [pid 1901] mount(NULL, "./config", "configfs", 0, NULL [pid 1900] close(19 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1900] close(20 [pid 1901] <... mount resumed>) = 0 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] umount2("./321/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./307", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1901] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1900] close(21 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1901] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1900] close(22 [pid 313] close(3 [pid 312] openat(AT_FDCWD, "./321/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1901] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] <... openat resumed>) = 4 [pid 1901] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1900] close(23 [pid 313] rmdir("./325" [pid 309] <... openat resumed>) = 3 [pid 1901] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1900] close(24 [pid 313] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1901] <... mkdirat resumed>) = 0 [pid 1900] close(25 [pid 313] mkdir("./326", 0777 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1901] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1900] close(26 [pid 312] getdents64(4 [pid 309] getdents64(3 [pid 1901] <... symlinkat resumed>) = 0 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 executing program [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1901] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1900] close(27 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] getdents64(4 [pid 309] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1901] <... unlinkat resumed>) = 0 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1901] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1900] close(28 [pid 309] <... umount2 resumed>) = 0 [pid 1900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1900] close(29) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1902 attached [pid 1900] exit_group(0 [pid 312] close(4 [pid 309] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1901] <... unlinkat resumed>) = 0 [pid 1900] <... exit_group resumed>) = ? [pid 312] <... close resumed>) = 0 [pid 1902] set_robust_list(0x55555bb49760, 24 [pid 1901] close(3 [pid 1900] +++ exited with 0 +++ [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 328 [pid 312] rmdir("./321/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1902] <... set_robust_list resumed>) = 0 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./307/config" [pid 1901] close(4 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1902] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1902] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./321/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1901] close(5 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./307/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1902] chdir("./326" [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1902] <... chdir resumed>) = 0 [pid 1901] close(6 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] newfstatat(AT_FDCWD, "./321/binderfs" [pid 1902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] openat(AT_FDCWD, "./307/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1902] <... prctl resumed>) = 0 [pid 1901] close(7 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1902] setpgid(0, 0 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./321/binderfs" [pid 309] <... openat resumed>) = 4 [pid 1902] <... setpgid resumed>) = 0 [pid 1901] close(8 [pid 312] <... unlink resumed>) = 0 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] fstat(4 [pid 1902] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1901] close(9 [pid 312] umount2("./321/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1902] <... symlink resumed>) = 0 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 1902] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1901] close(10 [pid 312] newfstatat(AT_FDCWD, "./321/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1902] <... symlink resumed>) = 0 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1902] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1901] close(11 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1902] <... symlink resumed>) = 0 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1901] close(12 [pid 312] unlink("./321/cgroup.net" [pid 309] close(4 [pid 1902] <... openat resumed>) = 3 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1901] close(13 [pid 1902] write(3, "1000", 4 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./321/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./307/config" [pid 1902] <... write resumed>) = 4 [pid 1901] close(14 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./321/cgroup.cpu" [pid 309] <... rmdir resumed>) = 0 [pid 1902] close(3 [pid 1901] close(15 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./307/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1902] <... close resumed>) = 0 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./321/cgroup.cpu" [pid 1902] symlink("/dev/binderfs", "./binderfs" [pid 1901] close(16 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... unlink resumed>) = 0 [pid 1902] <... symlink resumed>) = 0 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./307/binderfs" [pid 312] umount2("./321/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1902] write(1, "executing program\n", 18 [pid 1901] close(17 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1902] <... write resumed>) = 18 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./307/binderfs" [pid 1902] mkdirat(AT_FDCWD, "./config", 0777 [pid 1901] close(18 [pid 312] newfstatat(AT_FDCWD, "./321/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1902] <... mkdirat resumed>) = 0 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./307/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1902] mount(NULL, "./config", "configfs", 0, NULL [pid 1901] close(19 [pid 312] unlink("./321/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1902] <... mount resumed>) = 0 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1901] close(20 [pid 1902] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./307/cgroup.net" [pid 1902] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1901] close(21 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1902] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1902] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1901] close(22 [pid 312] <... close resumed>) = 0 [pid 309] unlink("./307/cgroup.net" [pid 1902] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./321" [pid 309] <... unlink resumed>) = 0 [pid 1902] <... mkdirat resumed>) = 0 [pid 1901] close(23 [pid 312] <... rmdir resumed>) = 0 executing program [pid 1902] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./322", 0777 [pid 309] umount2("./307/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1902] <... symlinkat resumed>) = 0 [pid 1901] close(24) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 1902] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1901] close(25 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1902] <... unlinkat resumed>) = 0 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1902] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1901] close(26 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./307/cgroup.cpu" [pid 1902] <... unlinkat resumed>) = 0 [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1903 attached [pid 1901] close(27 [pid 310] umount2("./313", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1902] close(3 [pid 309] unlink("./307/cgroup.cpu" [pid 1903] set_robust_list(0x55555bb49760, 24 [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 324 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1903] <... set_robust_list resumed>) = 0 [pid 1902] close(4 [pid 1901] close(28 [pid 309] <... unlink resumed>) = 0 [pid 1903] rt_sigprocmask(SIG_SETMASK, [] [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./313", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./307/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1903] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1902] close(5 [pid 1901] close(29 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 1903] chdir("./322" [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1903] <... chdir resumed>) = 0 [pid 1903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1902] close(6 [pid 1903] setpgid(0, 0) = 0 [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1901] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./307/cgroup" [pid 1903] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1902] close(7 [pid 1901] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 1903] <... symlink resumed>) = 0 [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1903] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 1903] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 1901] +++ exited with 0 +++ [pid 1903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] unlink("./307/cgroup" [pid 1903] <... openat resumed>) = 3 [pid 1902] close(8 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1903] write(3, "1000", 4 [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1903] <... write resumed>) = 4 [pid 1902] close(9 [pid 310] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1903] close(3 [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1903] <... close resumed>) = 0 [pid 1902] close(10 [pid 310] newfstatat(AT_FDCWD, "./313/config" [pid 1903] symlink("/dev/binderfs", "./binderfs" [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] close(3 [pid 1903] <... symlink resumed>) = 0 [pid 1902] close(11 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1903] write(1, "executing program\n", 18 [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 310] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1903] <... write resumed>) = 18 [pid 1902] close(12 [pid 309] rmdir("./307" [pid 1903] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 1903] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./313/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1903] mount(NULL, "./config", "configfs", 0, NULL [pid 1902] close(13 [pid 309] mkdir("./308", 0777 [pid 310] <... openat resumed>) = 4 [pid 1903] <... mount resumed>) = 0 [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(4 [pid 309] <... mkdir resumed>) = 0 [pid 1903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1902] close(14 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1903] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1902] close(15 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1903] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4ci2-android-5-15/strace-static-x86_64: Process 1904 attached [pid 1903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1902] close(16 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1904] set_robust_list(0x55555bb49760, 24) = 0 executing program [pid 1904] rt_sigprocmask(SIG_SETMASK, [] [pid 1903] <... mkdirat resumed>) = 0 [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 310 [pid 1904] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1903] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1902] close(17 [pid 310] <... close resumed>) = 0 [pid 1904] chdir("./308" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1904] <... chdir resumed>) = 0 [pid 1903] <... symlinkat resumed>) = 0 [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./313/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1903] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1902] close(18 [pid 1904] <... prctl resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1904] setpgid(0, 0 [pid 1903] <... unlinkat resumed>) = 0 [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1904] <... setpgid resumed>) = 0 [pid 310] umount2("./313/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1904] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1903] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1902] close(19 [pid 311] umount2("./316", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1904] <... symlink resumed>) = 0 [pid 1903] <... unlinkat resumed>) = 0 [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1904] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1903] close(3 [pid 1902] close(20 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./313/binderfs" [pid 1904] <... symlink resumed>) = 0 [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./316", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1904] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1903] close(4 [pid 1902] close(21 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... openat resumed>) = 3 [pid 1904] <... symlink resumed>) = 0 [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 310] unlink("./313/binderfs" [pid 1904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1903] close(5 [pid 1902] close(22 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1904] <... openat resumed>) = 3 [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1904] write(3, "1000", 4 [pid 1903] close(6 [pid 1902] close(23 [pid 311] getdents64(3 [pid 310] umount2("./313/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1904] <... write resumed>) = 4 [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1904] close(3 [pid 1903] close(7 [pid 1902] close(24 [pid 311] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1904] <... close resumed>) = 0 [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1904] symlink("/dev/binderfs", "./binderfs" [pid 1903] close(8 [pid 1902] close(25 [pid 311] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./313/cgroup.net" [pid 1904] <... symlink resumed>) = 0 [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1904] write(1, "executing program\n", 18 [pid 1903] close(9 [pid 1902] close(26 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1904] <... write resumed>) = 18 [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./313/cgroup.net" [pid 1904] mkdirat(AT_FDCWD, "./config", 0777 [pid 1903] close(10 [pid 1902] close(27 [pid 311] newfstatat(AT_FDCWD, "./316/config" [pid 1904] <... mkdirat resumed>) = 0 [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1904] mount(NULL, "./config", "configfs", 0, NULL [pid 1903] close(11 [pid 1902] close(28 [pid 311] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./313/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1904] <... mount resumed>) = 0 [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1903] close(12 [pid 1902] close(29 [pid 311] openat(AT_FDCWD, "./316/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./313/cgroup.cpu" [pid 1904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1903] close(13 [pid 311] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1902] exit_group(0 [pid 311] fstat(4 [pid 310] unlink("./313/cgroup.cpu" [pid 1904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1903] close(14 [pid 1902] <... exit_group resumed>) = ? [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1904] <... mkdirat resumed>) = 0 [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1904] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1904] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1902] +++ exited with 0 +++ [pid 311] getdents64(4 [pid 1904] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1903] close(15 [pid 310] umount2("./313/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1904] <... unlinkat resumed>) = 0 [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1904] close(3 [pid 1903] close(16 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./313/cgroup" [pid 1904] close(4 [pid 1903] close(17 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] close(4 [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1904] close(5 [pid 1903] close(18 [pid 311] <... close resumed>) = 0 [pid 310] unlink("./313/cgroup" [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./326", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rmdir("./316/config" [pid 1904] close(6 [pid 310] <... unlink resumed>) = 0 [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1904] close(7) = -1 EBADF (Bad file descriptor) [pid 1904] close(8) = -1 EBADF (Bad file descriptor) [pid 1904] close(9) = -1 EBADF (Bad file descriptor) [pid 1904] close(10) = -1 EBADF (Bad file descriptor) [pid 1904] close(11) = -1 EBADF (Bad file descriptor) [pid 1904] close(12) = -1 EBADF (Bad file descriptor) [pid 1904] close(13) = -1 EBADF (Bad file descriptor) [pid 1904] close(14) = -1 EBADF (Bad file descriptor) [pid 1904] close(15 [pid 1903] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 313] openat(AT_FDCWD, "./326", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1904] close(16 [pid 1903] close(20 [pid 311] umount2("./316/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 1904] close(17 [pid 1903] close(21 [pid 313] fstat(3 [pid 311] newfstatat(AT_FDCWD, "./316/binderfs" [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 1904] close(18 [pid 1903] close(22 [pid 313] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./313" [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] unlink("./316/binderfs" [pid 1904] close(19 [pid 1903] close(23 [pid 313] umount2("./326/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1904] close(20 [pid 1903] close(24 [pid 313] <... umount2 resumed>) = 0 [pid 311] umount2("./316/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./314", 0777 [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./326/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1904] close(21 [pid 1903] close(25 [pid 310] <... mkdir resumed>) = 0 [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./316/cgroup.net" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1904] close(22 [pid 1903] close(26 [pid 313] newfstatat(AT_FDCWD, "./326/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./316/cgroup.net" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1904] close(23 [pid 1903] close(27 [pid 313] umount2("./326/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1904] close(24) = -1 EBADF (Bad file descriptor) [pid 1904] close(25) = -1 EBADF (Bad file descriptor) [pid 1904] close(26ci2-android-5-15/strace-static-x86_64: Process 1905 attached ) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./316/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1905] set_robust_list(0x55555bb49760, 24 [pid 1904] close(27 [pid 1903] close(28 [pid 313] openat(AT_FDCWD, "./326/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1905] <... set_robust_list resumed>) = 0 [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 316 [pid 1905] rt_sigprocmask(SIG_SETMASK, [] [pid 1904] close(28 [pid 1903] close(29 [pid 313] <... openat resumed>) = 4 [pid 311] newfstatat(AT_FDCWD, "./316/cgroup.cpu" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1905] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1905] chdir("./314" [pid 1904] close(29 [pid 1903] exit_group(0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] unlink("./316/cgroup.cpu" [pid 1905] <... chdir resumed>) = 0 [pid 1904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1903] <... exit_group resumed>) = ? [pid 313] getdents64(4 [pid 1905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... unlink resumed>) = 0 [pid 1905] <... prctl resumed>) = 0 [pid 1904] exit_group(0 [pid 1905] setpgid(0, 0) = 0 [pid 1905] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 1905] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 1903] +++ exited with 0 +++ [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1905] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1904] <... exit_group resumed>) = ? [pid 313] getdents64(4 [pid 311] umount2("./316/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1905] <... symlink resumed>) = 0 [pid 1905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1905] write(3, "1000", 4) = 4 [pid 1905] close(3 [pid 1904] +++ exited with 0 +++ [pid 1905] <... close resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1905] symlink("/dev/binderfs", "./binderfs" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1905] <... symlink resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] newfstatat(AT_FDCWD, "./316/cgroup" [pid 1905] write(1, "executing program\n", 18 [pid 313] rmdir("./326/config" [pid 312] <... restart_syscall resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1905] <... write resumed>) = 18 executing program [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1905] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 311] unlink("./316/cgroup" [pid 1905] <... mkdirat resumed>) = 0 [pid 313] umount2("./326/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1905] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... unlink resumed>) = 0 [pid 1905] <... mount resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./322", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] newfstatat(AT_FDCWD, "./326/binderfs" [pid 311] getdents64(3 [pid 1905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] unlink("./326/binderfs" [pid 312] openat(AT_FDCWD, "./322", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... unlink resumed>) = 0 [pid 312] <... openat resumed>) = 3 [pid 311] close(3 [pid 1905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] umount2("./326/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(3 [pid 1905] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1905] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] newfstatat(AT_FDCWD, "./326/cgroup.net" [pid 311] rmdir("./316" [pid 1905] <... symlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(3 [pid 1905] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] unlink("./326/cgroup.net" [pid 311] <... rmdir resumed>) = 0 [pid 1905] <... unlinkat resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1905] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./322/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] mkdir("./317", 0777 [pid 1905] <... unlinkat resumed>) = 0 [pid 313] umount2("./326/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1905] close(3 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./322/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1905] close(4 [pid 313] newfstatat(AT_FDCWD, "./326/cgroup.cpu" [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1905] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./322/config" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./326/cgroup.cpu" [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1905] close(6) = -1 EBADF (Bad file descriptor) [pid 1905] close(7) = -1 EBADF (Bad file descriptor) [pid 1905] close(8) = -1 EBADF (Bad file descriptor) [pid 1905] close(9) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1906 attached [pid 1905] close(10) = -1 EBADF (Bad file descriptor) [pid 1905] close(11 [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./322/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 319 [pid 309] <... restart_syscall resumed>) = 0 [pid 1906] set_robust_list(0x55555bb49760, 24 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./326/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1906] <... set_robust_list resumed>) = 0 [pid 1905] close(12 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./322/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1906] rt_sigprocmask(SIG_SETMASK, [] [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./326/cgroup" [pid 1905] close(13 [pid 312] <... openat resumed>) = 4 [pid 1906] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1906] chdir("./317" [pid 1905] close(14 [pid 312] fstat(4 [pid 309] umount2("./308", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1906] <... chdir resumed>) = 0 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./326/cgroup" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1905] close(15 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1906] <... prctl resumed>) = 0 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(4 [pid 309] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1906] setpgid(0, 0 [pid 1905] close(16 [pid 313] getdents64(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1906] <... setpgid resumed>) = 0 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] getdents64(4 [pid 309] <... openat resumed>) = 3 [pid 1906] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1905] close(17 [pid 313] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 1906] <... symlink resumed>) = 0 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1905] close(18 [pid 313] <... close resumed>) = 0 [pid 312] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1906] <... symlink resumed>) = 0 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./326" [pid 1906] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1905] close(19 [pid 312] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 1906] <... symlink resumed>) = 0 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] rmdir("./322/config" [pid 1906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1905] close(20 [pid 313] mkdir("./327", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1906] <... openat resumed>) = 3 [pid 1905] close(21 [pid 309] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 312] umount2("./322/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1906] write(3, "1000", 4 [pid 1905] close(22 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = 0 [pid 1906] <... write resumed>) = 4 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1906] close(3 [pid 1905] close(23 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] newfstatat(AT_FDCWD, "./322/binderfs" [pid 1906] <... close resumed>) = 0 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1905] close(24) = -1 EBADF (Bad file descriptor) [pid 1905] close(25) = -1 EBADF (Bad file descriptor) [pid 1905] close(26) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1907 attached [pid 1906] symlink("/dev/binderfs", "./binderfs" [pid 1905] close(27 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./308/config" [pid 1907] set_robust_list(0x55555bb49760, 24 [pid 1906] <... symlink resumed>) = 0 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./322/binderfs" [pid 1907] <... set_robust_list resumed>) = 0 [pid 1906] write(1, "executing program\n", 18 [pid 1905] close(28 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 329 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1907] rt_sigprocmask(SIG_SETMASK, [] [pid 1906] <... write resumed>) = 18 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... unlink resumed>) = 0 executing program [pid 309] umount2("./308/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1907] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1906] mkdirat(AT_FDCWD, "./config", 0777 [pid 1905] close(29 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] umount2("./322/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1907] chdir("./327" [pid 1906] <... mkdirat resumed>) = 0 [pid 1905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1907] <... chdir resumed>) = 0 [pid 1906] mount(NULL, "./config", "configfs", 0, NULL [pid 1905] exit_group(0 [pid 1907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1905] <... exit_group resumed>) = ? [pid 312] newfstatat(AT_FDCWD, "./322/cgroup.net" [pid 309] openat(AT_FDCWD, "./308/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1907] <... prctl resumed>) = 0 [pid 1906] <... mount resumed>) = 0 [pid 1905] +++ exited with 0 +++ [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1907] setpgid(0, 0 [pid 1906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] unlink("./322/cgroup.net" [pid 309] <... openat resumed>) = 4 [pid 1907] <... setpgid resumed>) = 0 [pid 1906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1907] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 312] <... unlink resumed>) = 0 [pid 1906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(4 [pid 1907] <... symlink resumed>) = 0 [pid 1906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] umount2("./322/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1907] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1907] <... symlink resumed>) = 0 [pid 309] getdents64(4 [pid 1907] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 1906] <... mkdirat resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./322/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1906] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 1907] <... openat resumed>) = 3 [pid 1907] write(3, "1000", 4 [pid 1906] <... symlinkat resumed>) = 0 [pid 312] unlink("./322/cgroup.cpu" [pid 1907] <... write resumed>) = 4 [pid 1906] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1907] close(3 [pid 312] <... unlink resumed>) = 0 [pid 1906] <... unlinkat resumed>) = 0 [pid 309] close(4 [pid 1907] <... close resumed>) = 0 [pid 1906] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] umount2("./322/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1907] symlink("/dev/binderfs", "./binderfs" [pid 1906] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1907] <... symlink resumed>) = 0 [pid 1906] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1907] write(1, "executing program\n", 18 executing program [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./322/cgroup" [pid 309] rmdir("./308/config" [pid 1907] <... write resumed>) = 18 [pid 1906] close(4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1907] mkdirat(AT_FDCWD, "./config", 0777 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./322/cgroup" [pid 309] <... rmdir resumed>) = 0 [pid 1907] <... mkdirat resumed>) = 0 [pid 1906] close(5 [pid 1907] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... unlink resumed>) = 0 [pid 309] umount2("./308/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1907] <... mount resumed>) = 0 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 1907] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1906] close(6 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1907] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 309] newfstatat(AT_FDCWD, "./308/binderfs" [pid 1907] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1906] close(7 [pid 312] <... close resumed>) = 0 [pid 1907] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./322" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1907] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1906] close(8 [pid 312] <... rmdir resumed>) = 0 [pid 1907] <... mkdirat resumed>) = 0 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./323", 0777 [pid 309] unlink("./308/binderfs" [pid 1907] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1906] close(9 [pid 1907] <... symlinkat resumed>) = 0 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1907] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1906] close(10 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./308/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1907] <... unlinkat resumed>) = 0 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1907] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1906] close(11 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1907] <... unlinkat resumed>) = 0 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1907] close(3) = -1 EBADF (Bad file descriptor) [pid 1907] close(4) = -1 EBADF (Bad file descriptor) [pid 1907] close(5) = -1 EBADF (Bad file descriptor) [pid 1907] close(6) = -1 EBADF (Bad file descriptor) [pid 1907] close(7) = -1 EBADF (Bad file descriptor) [pid 1907] close(8ci2-android-5-15/strace-static-x86_64: Process 1908 attached ) = -1 EBADF (Bad file descriptor) [pid 1906] close(12 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 325 [pid 309] newfstatat(AT_FDCWD, "./308/cgroup.net" [pid 1908] set_robust_list(0x55555bb49760, 24 [pid 1907] close(9 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1908] <... set_robust_list resumed>) = 0 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] close(13 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1908] rt_sigprocmask(SIG_SETMASK, [] [pid 1907] close(10 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./308/cgroup.net" [pid 1908] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] close(14 [pid 1907] close(11 [pid 309] <... unlink resumed>) = 0 [pid 1908] chdir("./323" [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... restart_syscall resumed>) = 0 [pid 1908] <... chdir resumed>) = 0 [pid 1907] close(12 [pid 1906] close(15 [pid 309] umount2("./308/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1908] <... prctl resumed>) = 0 [pid 1907] close(13 [pid 1906] close(16 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1908] setpgid(0, 0 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./314", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./308/cgroup.cpu" [pid 1908] <... setpgid resumed>) = 0 [pid 1907] close(14 [pid 1906] close(17 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1908] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1907] close(15 [pid 310] openat(AT_FDCWD, "./314", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1908] <... symlink resumed>) = 0 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] close(18 [pid 309] unlink("./308/cgroup.cpu" [pid 1908] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1907] close(16 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1908] <... symlink resumed>) = 0 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] close(19 [pid 310] fstat(3 [pid 309] <... unlink resumed>) = 0 [pid 1908] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1907] close(17 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] umount2("./308/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1908] <... symlink resumed>) = 0 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] close(20 [pid 310] getdents64(3 [pid 1908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1907] close(18 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1908] <... openat resumed>) = 3 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] close(21 [pid 1908] write(3, "1000", 4 [pid 1907] close(19 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./308/cgroup" [pid 1908] <... write resumed>) = 4 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] close(22 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1908] close(3 [pid 1907] close(20 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./308/cgroup" [pid 1908] <... close resumed>) = 0 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] close(23 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1908] symlink("/dev/binderfs", "./binderfs" [pid 1907] close(21 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./314/config" [pid 1908] <... symlink resumed>) = 0 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] close(24 [pid 309] getdents64(3 [pid 1908] write(1, "executing program\n", 18 [pid 1907] close(22 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1908] <... write resumed>) = 18 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] close(25 [pid 310] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1908] mkdirat(AT_FDCWD, "./config", 0777 [pid 1907] close(23 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1908] <... mkdirat resumed>) = 0 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] close(26 [pid 310] openat(AT_FDCWD, "./314/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 1908] mount(NULL, "./config", "configfs", 0, NULL [pid 1907] close(24 [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 309] rmdir("./308" [pid 1908] <... mount resumed>) = 0 [pid 1907] close(25 [pid 1906] close(27 [pid 310] fstat(4 [pid 1908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1908] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1907] close(26 [pid 1906] close(28 [pid 310] getdents64(4 [pid 309] mkdir("./309", 0777 [pid 1908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1908] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1907] close(27 [pid 1906] close(29 [pid 310] getdents64(4 [pid 309] <... mkdir resumed>) = 0 [pid 1908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1908] <... mkdirat resumed>) = 0 [pid 1907] close(28) = -1 EBADF (Bad file descriptor) [pid 1907] close(29 [pid 1908] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1906] exit_group(0 [pid 310] close(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1908] <... symlinkat resumed>) = 0 [pid 1907] exit_group(0 [pid 1906] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1908] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1907] <... exit_group resumed>) = ? [pid 1907] +++ exited with 0 +++ [pid 1906] +++ exited with 0 +++ [pid 310] rmdir("./314/config"ci2-android-5-15/strace-static-x86_64: Process 1909 attached [pid 1909] set_robust_list(0x55555bb49760, 24 [pid 310] <... rmdir resumed>) = 0 [pid 1909] <... set_robust_list resumed>) = 0 [pid 1908] <... unlinkat resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./314/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 311 [pid 1909] rt_sigprocmask(SIG_SETMASK, [] [pid 1908] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1909] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1908] <... unlinkat resumed>) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./314/binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1909] chdir("./309" [pid 1908] close(3 [pid 311] <... restart_syscall resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1909] <... chdir resumed>) = 0 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./314/binderfs" [pid 1909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1908] close(4 [pid 1909] <... prctl resumed>) = 0 [pid 1909] setpgid(0, 0 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1909] <... setpgid resumed>) = 0 [pid 311] umount2("./317", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1908] close(5 [pid 1909] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./314/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1909] <... symlink resumed>) = 0 [pid 1908] close(6 [pid 311] openat(AT_FDCWD, "./317", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1909] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1909] <... symlink resumed>) = 0 [pid 1908] close(7 [pid 311] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./314/cgroup.net" [pid 1909] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 1909] <... symlink resumed>) = 0 [pid 1908] close(8 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 310] unlink("./314/cgroup.net" [pid 1909] <... openat resumed>) = 3 [pid 1908] close(9 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1909] write(3, "1000", 4 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1909] <... write resumed>) = 4 [pid 1908] close(10 [pid 310] umount2("./314/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1909] close(3 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 1909] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1909] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1909] write(1, "executing program\n", 18 [pid 1908] close(11 [pid 311] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1909] <... write resumed>) = 18 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./314/cgroup.cpu" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1909] mkdirat(AT_FDCWD, "./config", 0777 [pid 1908] close(12 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./317/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1909] <... mkdirat resumed>) = 0 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./314/cgroup.cpu" [pid 1909] mount(NULL, "./config", "configfs", 0, NULL [pid 1908] close(13 [pid 311] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./327", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1909] <... mount resumed>) = 0 [pid 1908] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1909] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./314/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1909] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1908] close(15 [pid 313] openat(AT_FDCWD, "./327", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] openat(AT_FDCWD, "./317/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1909] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1909] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1908] close(16 [pid 313] fstat(3 [pid 311] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./314/cgroup" [pid 1909] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1909] <... mkdirat resumed>) = 0 [pid 1908] close(17 [pid 313] getdents64(3 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] unlink("./314/cgroup" [pid 1909] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 1909] <... symlinkat resumed>) = 0 [pid 1908] close(18 [pid 313] umount2("./327/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 1909] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1909] <... unlinkat resumed>) = 0 [pid 1908] close(19 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] umount2("./327/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1909] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 310] close(3 [pid 1908] close(20 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1909] <... unlinkat resumed>) = 0 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./327/config" [pid 1908] close(21 [pid 311] rmdir("./317/config" [pid 310] rmdir("./314" [pid 1909] close(3 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1908] close(22 [pid 310] <... rmdir resumed>) = 0 [pid 1909] close(4 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./327/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./317/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./315", 0777 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1908] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1909] close(5 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./327/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... mkdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./317/binderfs" [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1908] close(24 [pid 313] <... openat resumed>) = 4 [pid 1909] close(6 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1908] close(25 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] unlink("./317/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1909] close(7 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1908] close(26 [pid 311] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1909] close(8 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./317/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1910 attached [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1908] close(27 [pid 313] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1910] set_robust_list(0x55555bb49760, 24 [pid 1909] close(9 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./317/cgroup.net" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 317 [pid 1910] <... set_robust_list resumed>) = 0 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1908] close(28 [pid 313] close(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1910] rt_sigprocmask(SIG_SETMASK, [] [pid 1909] close(10 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1910] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1908] close(29 [pid 313] rmdir("./327/config" [pid 311] unlink("./317/cgroup.net" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1910] chdir("./315" [pid 1909] close(11 [pid 1908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1910] <... chdir resumed>) = 0 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1909] close(12 [pid 1908] exit_group(0 [pid 313] umount2("./327/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1910] <... prctl resumed>) = 0 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1908] <... exit_group resumed>) = ? [pid 311] umount2("./317/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1910] setpgid(0, 0 [pid 1909] close(13 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1910] <... setpgid resumed>) = 0 [pid 1910] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 1910] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1908] +++ exited with 0 +++ [pid 1910] <... symlink resumed>) = 0 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./327/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1910] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1909] close(14 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] newfstatat(AT_FDCWD, "./317/cgroup.cpu" [pid 1910] <... symlink resumed>) = 0 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./327/binderfs" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1909] close(15 [pid 313] <... unlink resumed>) = 0 [pid 311] unlink("./317/cgroup.cpu" [pid 1910] <... openat resumed>) = 3 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./327/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1910] write(3, "1000", 4 [pid 1909] close(16 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1910] <... write resumed>) = 4 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1910] close(3 [pid 1909] close(17 [pid 313] newfstatat(AT_FDCWD, "./327/cgroup.net" [pid 311] umount2("./317/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1910] <... close resumed>) = 0 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1910] symlink("/dev/binderfs", "./binderfs" [pid 1909] close(18 [pid 313] unlink("./327/cgroup.net" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./323", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1910] <... symlink resumed>) = 0 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./317/cgroup" [pid 1910] write(1, "executing program\n", 18 [pid 1909] close(19 [pid 313] umount2("./327/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1910] <... write resumed>) = 18 executing program [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] openat(AT_FDCWD, "./323", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1910] mkdirat(AT_FDCWD, "./config", 0777 [pid 1909] close(20 [pid 313] newfstatat(AT_FDCWD, "./327/cgroup.cpu" [pid 311] unlink("./317/cgroup" [pid 1910] <... mkdirat resumed>) = 0 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1910] mount(NULL, "./config", "configfs", 0, NULL [pid 1909] close(21 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] fstat(3 [pid 311] <... unlink resumed>) = 0 [pid 1910] <... mount resumed>) = 0 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./327/cgroup.cpu" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] getdents64(3 [pid 1910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1909] close(22 [pid 313] <... unlink resumed>) = 0 [pid 312] getdents64(3 [pid 1910] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./327/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1910] <... symlinkat resumed>) = 0 [pid 1909] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./323/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(3 [pid 1910] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./327/cgroup" [pid 1910] <... unlinkat resumed>) = 0 [pid 1909] close(24 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... close resumed>) = 0 [pid 1910] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./323/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1910] <... unlinkat resumed>) = 0 executing program [pid 1909] close(25 [pid 313] unlink("./327/cgroup" [pid 311] rmdir("./317" [pid 1910] close(3 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1909] close(26 [pid 313] <... unlink resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./323/config" [pid 311] <... rmdir resumed>) = 0 [pid 1910] close(4 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] mkdir("./318", 0777 [pid 1910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1909] close(27 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] umount2("./323/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1910] close(5 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 311] <... mkdir resumed>) = 0 [pid 1910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1909] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1910] close(6 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] openat(AT_FDCWD, "./323/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1909] close(29 [pid 313] rmdir("./327" [pid 312] <... openat resumed>) = 4 [pid 1910] close(7 [pid 1909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 312] fstat(4 [pid 1910] close(8 [pid 1909] exit_group(0 [pid 313] mkdir("./328", 0777 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1909] <... exit_group resumed>) = ? [pid 1910] close(9 [pid 313] <... mkdir resumed>) = 0 [pid 312] getdents64(4 [pid 1910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1910] close(10) = -1 EBADF (Bad file descriptor) [pid 1910] close(11) = -1 EBADF (Bad file descriptor) [pid 1910] close(12) = -1 EBADF (Bad file descriptor) [pid 1910] close(13) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1911 attached [pid 1910] close(14) = -1 EBADF (Bad file descriptor) [pid 1910] close(15) = -1 EBADF (Bad file descriptor) [pid 1910] close(16) = -1 EBADF (Bad file descriptor) [pid 1910] close(17) = -1 EBADF (Bad file descriptor) [pid 1910] close(18) = -1 EBADF (Bad file descriptor) [pid 1910] close(19) = -1 EBADF (Bad file descriptor) [pid 1910] close(20 [pid 1909] +++ exited with 0 +++ [pid 1910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1910] close(21 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 320 [pid 1911] set_robust_list(0x55555bb49760, 24 [pid 1910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1911] <... set_robust_list resumed>) = 0 [pid 1910] close(22 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1911] rt_sigprocmask(SIG_SETMASK, [] [pid 1910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1910] close(23) = -1 EBADF (Bad file descriptor) [pid 1910] close(24) = -1 EBADF (Bad file descriptor) [pid 1910] close(25) = -1 EBADF (Bad file descriptor) [pid 1910] close(26ci2-android-5-15/strace-static-x86_64: Process 1912 attached ) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1911] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1912] set_robust_list(0x55555bb49760, 24 [pid 1910] close(27 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 330 [pid 312] <... close resumed>) = 0 [pid 1912] <... set_robust_list resumed>) = 0 [pid 1911] chdir("./318" [pid 1910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1912] rt_sigprocmask(SIG_SETMASK, [] [pid 1911] <... chdir resumed>) = 0 [pid 1910] close(28 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rmdir("./323/config" [pid 1912] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1912] chdir("./328" [pid 1911] <... prctl resumed>) = 0 [pid 1910] close(29 [pid 312] <... rmdir resumed>) = 0 [pid 1912] <... chdir resumed>) = 0 [pid 1911] setpgid(0, 0 [pid 1910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./323/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 1912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1911] <... setpgid resumed>) = 0 [pid 1910] exit_group(0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1912] <... prctl resumed>) = 0 [pid 1911] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1910] <... exit_group resumed>) = ? [pid 312] newfstatat(AT_FDCWD, "./323/binderfs" [pid 1912] setpgid(0, 0 [pid 1911] <... symlink resumed>) = 0 [pid 1910] +++ exited with 0 +++ [pid 1912] <... setpgid resumed>) = 0 [pid 1912] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 1912] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 1912] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1911] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 312] unlink("./323/binderfs" [pid 1912] <... openat resumed>) = 3 [pid 1912] write(3, "1000", 4 [pid 1911] <... symlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./309", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1912] <... write resumed>) = 4 [pid 1911] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 312] <... unlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1912] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1912] <... close resumed>) = 0 [pid 1911] <... symlink resumed>) = 0 [pid 312] umount2("./323/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1912] symlink("/dev/binderfs", "./binderfs" [pid 1911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] openat(AT_FDCWD, "./309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1912] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1912] write(1, "executing program\n", 18 [pid 1911] <... openat resumed>) = 3 [pid 1912] <... write resumed>) = 18 [pid 312] newfstatat(AT_FDCWD, "./323/cgroup.net" [pid 309] <... openat resumed>) = 3 [pid 1912] mkdirat(AT_FDCWD, "./config", 0777 [pid 1911] write(3, "1000", 4 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 1912] <... mkdirat resumed>) = 0 [pid 1911] <... write resumed>) = 4 [pid 312] unlink("./323/cgroup.net" [pid 1912] mount(NULL, "./config", "configfs", 0, NULL [pid 1911] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1912] <... mount resumed>) = 0 [pid 1911] <... close resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 1912] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1911] symlink("/dev/binderfs", "./binderfs" [pid 312] umount2("./323/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1912] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1912] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1911] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1912] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1911] write(1, "executing program\n", 18 [pid 312] newfstatat(AT_FDCWD, "./323/cgroup.cpu" [pid 309] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 1912] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1911] <... write resumed>) = 18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1912] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1912] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1911] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] unlink("./323/cgroup.cpu" [pid 309] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1912] <... symlinkat resumed>) = 0 [pid 1911] <... mkdirat resumed>) = 0 [pid 1912] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1912] <... unlinkat resumed>) = 0 [pid 1911] mount(NULL, "./config", "configfs", 0, NULL [pid 312] umount2("./323/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./309/config" [pid 1912] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1911] <... mount resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1912] <... unlinkat resumed>) = 0 [pid 1911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] newfstatat(AT_FDCWD, "./323/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1912] close(3 [pid 1911] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./309/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] unlink("./323/cgroup" [pid 1912] close(4 [pid 1911] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./309/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1912] close(5) = -1 EBADF (Bad file descriptor) [pid 1912] close(6) = -1 EBADF (Bad file descriptor) [pid 1911] <... mkdirat resumed>) = 0 [pid 312] getdents64(3 [pid 1912] close(7 [pid 1911] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... openat resumed>) = 4 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1912] close(8) = -1 EBADF (Bad file descriptor) [pid 1911] <... symlinkat resumed>) = 0 [pid 312] close(3 [pid 309] fstat(4 [pid 1912] close(9 [pid 1911] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] <... close resumed>) = 0 [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1912] close(10 [pid 1911] <... unlinkat resumed>) = 0 [pid 312] rmdir("./323" [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(4 [pid 1912] close(11 [pid 312] <... rmdir resumed>) = 0 [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] <... unlinkat resumed>) = 0 [pid 312] mkdir("./324", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1912] close(12 [pid 1911] close(3 [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 1912] close(13 [pid 1911] close(4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] close(4 [pid 1912] close(14 [pid 1911] close(5 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1912] close(15) = -1 EBADF (Bad file descriptor) [pid 1912] close(16) = -1 EBADF (Bad file descriptor) [pid 1912] close(17) = -1 EBADF (Bad file descriptor) [pid 1912] close(18) = -1 EBADF (Bad file descriptor) [pid 1912] close(19) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1913 attached [pid 1912] close(20 [pid 1911] close(6 [pid 309] rmdir("./309/config" [pid 1913] set_robust_list(0x55555bb49760, 24 [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 326 [pid 1913] <... set_robust_list resumed>) = 0 [pid 1912] close(21 [pid 309] <... rmdir resumed>) = 0 [pid 1913] rt_sigprocmask(SIG_SETMASK, [] [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] close(7 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./309/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1913] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1912] close(22 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1913] chdir("./324" [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] close(8 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1913] <... chdir resumed>) = 0 [pid 1912] close(23 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./315", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./309/binderfs" [pid 1913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] close(9 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1913] <... prctl resumed>) = 0 [pid 1912] close(24 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./315", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1913] setpgid(0, 0 [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] close(10 [pid 310] <... openat resumed>) = 3 [pid 1913] <... setpgid resumed>) = 0 [pid 1912] close(25 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./309/binderfs" [pid 1913] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] close(11 [pid 310] fstat(3 [pid 1913] <... symlink resumed>) = 0 [pid 1912] close(26 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1913] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1913] <... symlink resumed>) = 0 [pid 1912] close(27 [pid 1911] close(12 [pid 310] getdents64(3 [pid 309] umount2("./309/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1913] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1913] <... symlink resumed>) = 0 [pid 1912] close(28 [pid 1911] close(13 [pid 310] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1913] <... openat resumed>) = 3 [pid 1912] close(29 [pid 1911] close(14 [pid 310] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./309/cgroup.net" [pid 1913] write(3, "1000", 4 [pid 1912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1913] <... write resumed>) = 4 [pid 1912] exit_group(0 [pid 1911] close(15 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1913] close(3 [pid 1912] <... exit_group resumed>) = ? [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./309/cgroup.net" [pid 1913] <... close resumed>) = 0 [pid 1912] +++ exited with 0 +++ [pid 1911] close(16 [pid 310] newfstatat(AT_FDCWD, "./315/config" [pid 1913] symlink("/dev/binderfs", "./binderfs" [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1913] <... symlink resumed>) = 0 [pid 1911] close(17 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 309] umount2("./309/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1913] write(1, "executing program\n", 18 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1913] <... write resumed>) = 18 [pid 1911] close(18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1913] mkdirat(AT_FDCWD, "./config", 0777 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./309/cgroup.cpu" [pid 1913] <... mkdirat resumed>) = 0 [pid 1911] close(19 [pid 310] openat(AT_FDCWD, "./315/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1913] mount(NULL, "./config", "configfs", 0, NULL [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1913] <... mount resumed>) = 0 [pid 1911] close(20 [pid 310] <... openat resumed>) = 4 [pid 309] unlink("./309/cgroup.cpu" [pid 1913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(4 [pid 1913] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1911] close(21 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] umount2("./309/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1913] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1911] close(22 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1913] <... mkdirat resumed>) = 0 [pid 1911] close(23 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1913] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 309] newfstatat(AT_FDCWD, "./309/cgroup" [pid 1913] <... symlinkat resumed>) = 0 [pid 1911] close(24 [pid 310] <... close resumed>) = 0 [pid 1913] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./315/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1913] <... unlinkat resumed>) = 0 [pid 1911] close(25 [pid 310] <... rmdir resumed>) = 0 [pid 1913] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./315/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./309/cgroup" [pid 1913] <... unlinkat resumed>) = 0 [pid 1911] close(26 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1913] close(3 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./315/binderfs" [pid 309] getdents64(3 [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] close(27 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1913] close(4 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./315/binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] close(28 [pid 310] <... unlink resumed>) = 0 [pid 309] close(3 [pid 1913] close(5 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./315/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] close(29 [pid 309] <... close resumed>) = 0 [pid 1913] close(6 [pid 1911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./309" [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1913] close(7 [pid 1911] exit_group(0 [pid 310] newfstatat(AT_FDCWD, "./315/cgroup.net" [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1911] <... exit_group resumed>) = ? [pid 313] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1913] close(8 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1913] close(9) = -1 EBADF (Bad file descriptor) [pid 1913] close(10) = -1 EBADF (Bad file descriptor) [pid 1913] close(11) = -1 EBADF (Bad file descriptor) [pid 1913] close(12) = -1 EBADF (Bad file descriptor) [pid 1913] close(13) = -1 EBADF (Bad file descriptor) [pid 1913] close(14 [pid 1911] +++ exited with 0 +++ [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1913] close(15 [pid 310] unlink("./315/cgroup.net" [pid 309] mkdir("./310", 0777 [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1913] close(16 [pid 310] <... unlink resumed>) = 0 [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./328", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./315/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 1913] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./328", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./315/cgroup.cpu" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1913] close(18 [pid 313] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 310] unlink("./315/cgroup.cpu" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1913] close(19 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1913] close(20) = -1 EBADF (Bad file descriptor) [pid 1913] close(21) = -1 EBADF (Bad file descriptor) [pid 1913] close(22) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1914 attached [pid 1913] close(23 [pid 313] getdents64(3 [pid 1914] set_robust_list(0x55555bb49760, 24 [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./315/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 312 [pid 1914] <... set_robust_list resumed>) = 0 [pid 1913] close(24 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1914] rt_sigprocmask(SIG_SETMASK, [] [pid 1913] close(25 [pid 313] umount2("./328/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./315/cgroup" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1914] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1914] chdir("./310" [pid 1913] close(26 [pid 313] <... umount2 resumed>) = 0 [pid 310] unlink("./315/cgroup" [pid 1914] <... chdir resumed>) = 0 [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./328/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1913] close(27 [pid 310] <... unlink resumed>) = 0 [pid 1914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1914] <... prctl resumed>) = 0 [pid 1913] close(28 [pid 313] newfstatat(AT_FDCWD, "./328/config" [pid 310] getdents64(3 [pid 1914] setpgid(0, 0 [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1914] <... setpgid resumed>) = 0 [pid 1913] close(29 [pid 313] umount2("./328/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1914] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 1914] <... symlink resumed>) = 0 [pid 1913] exit_group(0 [pid 313] openat(AT_FDCWD, "./328/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1914] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1913] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 1914] <... symlink resumed>) = 0 [pid 1913] +++ exited with 0 +++ [pid 313] <... openat resumed>) = 4 [pid 1914] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 313] fstat(4 [pid 310] rmdir("./315" [pid 1914] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rmdir resumed>) = 0 [pid 313] getdents64(4 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] mkdir("./316", 0777 [pid 1914] <... openat resumed>) = 3 [pid 313] getdents64(4 [pid 310] <... mkdir resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1914] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1914] <... write resumed>) = 4 [pid 313] close(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1914] close(3 [pid 313] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1914] <... close resumed>) = 0 [pid 313] rmdir("./328/config"ci2-android-5-15/strace-static-x86_64: Process 1915 attached [pid 1915] set_robust_list(0x55555bb49760, 24 [pid 1914] symlink("/dev/binderfs", "./binderfs" [pid 313] <... rmdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 318 [pid 1915] <... set_robust_list resumed>) = 0 [pid 1915] rt_sigprocmask(SIG_SETMASK, [] [pid 1914] <... symlink resumed>) = 0 [pid 313] umount2("./328/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1915] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1914] write(1, "executing program\n", 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 1915] chdir("./316" [pid 1914] <... write resumed>) = 18 [pid 313] newfstatat(AT_FDCWD, "./328/binderfs" [pid 1915] <... chdir resumed>) = 0 [pid 1915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1914] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1915] <... prctl resumed>) = 0 [pid 1915] setpgid(0, 0 [pid 1914] <... mkdirat resumed>) = 0 [pid 313] unlink("./328/binderfs" [pid 1915] <... setpgid resumed>) = 0 [pid 1914] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... unlink resumed>) = 0 [pid 1915] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1914] <... mount resumed>) = 0 [pid 313] umount2("./328/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1915] <... symlink resumed>) = 0 [pid 1914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1915] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1914] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] newfstatat(AT_FDCWD, "./328/cgroup.net" [pid 1915] <... symlink resumed>) = 0 [pid 1914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1915] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1914] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] unlink("./328/cgroup.net" [pid 1915] <... symlink resumed>) = 0 [pid 1914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... unlink resumed>) = 0 [pid 1915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1914] <... mkdirat resumed>) = 0 [pid 313] umount2("./328/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1915] <... openat resumed>) = 3 [pid 1914] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1915] write(3, "1000", 4 [pid 1914] <... symlinkat resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./328/cgroup.cpu" [pid 1915] <... write resumed>) = 4 [pid 1914] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1915] close(3 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1914] <... unlinkat resumed>) = 0 [pid 1915] <... close resumed>) = 0 [pid 1914] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] unlink("./328/cgroup.cpu" [pid 1915] symlink("/dev/binderfs", "./binderfs" [pid 1914] <... unlinkat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 1914] close(3 [pid 311] umount2("./318", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1915] <... symlink resumed>) = 0 [pid 313] umount2("./328/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1915] write(1, "executing program\n", 18 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./318", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1915] <... write resumed>) = 18 [pid 1914] close(4 [pid 313] newfstatat(AT_FDCWD, "./328/cgroup" [pid 311] <... openat resumed>) = 3 [pid 1915] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] fstat(3 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1915] <... mkdirat resumed>) = 0 executing program [pid 1914] close(5 [pid 313] unlink("./328/cgroup" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1915] mount(NULL, "./config", "configfs", 0, NULL [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 1914] close(6 [pid 313] getdents64(3 [pid 312] umount2("./324", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1915] <... mount resumed>) = 0 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1914] close(7 [pid 313] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] openat(AT_FDCWD, "./324", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] rmdir("./328" [pid 311] <... umount2 resumed>) = 0 [pid 1915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1914] close(8 [pid 312] <... openat resumed>) = 3 [pid 313] <... rmdir resumed>) = 0 [pid 311] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1915] <... mkdirat resumed>) = 0 [pid 312] fstat(3 [pid 1915] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./329", 0777 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1915] <... symlinkat resumed>) = 0 [pid 312] getdents64(3 [pid 311] newfstatat(AT_FDCWD, "./318/config" [pid 313] <... mkdir resumed>) = 0 [pid 1915] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1914] close(9 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1915] <... unlinkat resumed>) = 0 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] umount2("./324/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1915] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1914] close(10 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] <... umount2 resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1915] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1916 attached [pid 1915] close(3 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./324/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./318/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1916] set_robust_list(0x55555bb49760, 24 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(11 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 331 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 4 [pid 1916] <... set_robust_list resumed>) = 0 [pid 1915] close(4 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1916] rt_sigprocmask(SIG_SETMASK, [] [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(12 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./324/config" [pid 311] fstat(4 [pid 1916] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1915] close(5 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1916] chdir("./329" [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(13 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1916] <... chdir resumed>) = 0 [pid 1915] close(6 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./324/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(4 [pid 1916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(14 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1916] <... prctl resumed>) = 0 [pid 1915] close(7 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./324/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1916] setpgid(0, 0 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(15 [pid 312] <... openat resumed>) = 4 [pid 311] getdents64(4 [pid 1916] <... setpgid resumed>) = 0 [pid 1915] close(8 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1916] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(16 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] close(4 [pid 1916] <... symlink resumed>) = 0 [pid 1915] close(9 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1916] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(17 [pid 311] <... close resumed>) = 0 [pid 1916] <... symlink resumed>) = 0 [pid 1915] close(10 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] rmdir("./318/config" [pid 1916] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(18 [pid 312] getdents64(4 [pid 1916] <... symlink resumed>) = 0 [pid 1915] close(11 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(19 [pid 312] close(4 [pid 311] umount2("./318/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1916] <... openat resumed>) = 3 [pid 1915] close(12 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1916] write(3, "1000", 4 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(20 [pid 312] rmdir("./324/config" [pid 311] newfstatat(AT_FDCWD, "./318/binderfs" [pid 1916] <... write resumed>) = 4 [pid 1915] close(13 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1916] close(3 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(21 [pid 312] umount2("./324/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1916] <... close resumed>) = 0 [pid 1915] close(14 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./318/binderfs" [pid 1916] symlink("/dev/binderfs", "./binderfs" [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(22 [pid 312] newfstatat(AT_FDCWD, "./324/binderfs" [pid 1916] <... symlink resumed>) = 0 [pid 1915] close(15 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 1916] write(1, "executing program\n", 18 executing program [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(23 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1916] <... write resumed>) = 18 [pid 1915] close(16 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./324/binderfs" [pid 311] umount2("./318/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1916] mkdirat(AT_FDCWD, "./config", 0777 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(24 [pid 312] <... unlink resumed>) = 0 [pid 1916] <... mkdirat resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1916] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 1915] close(17 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./324/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./318/cgroup.net" [pid 1916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1916] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1915] close(18 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./324/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(26 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./318/cgroup.net" [pid 1916] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1915] close(19 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./324/cgroup.net" [pid 1916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(27 [pid 311] <... unlink resumed>) = 0 [pid 1916] <... mkdirat resumed>) = 0 [pid 1915] close(20 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./318/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1916] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(28 [pid 312] umount2("./324/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1916] <... symlinkat resumed>) = 0 [pid 1915] close(21 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1916] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] close(29 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./318/cgroup.cpu" [pid 1916] <... unlinkat resumed>) = 0 [pid 1915] close(22 [pid 1914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./324/cgroup.cpu" [pid 1916] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1916] <... unlinkat resumed>) = 0 [pid 1915] close(23 [pid 1914] exit_group(0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./318/cgroup.cpu" [pid 1916] close(3 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1914] <... exit_group resumed>) = ? [pid 312] unlink("./324/cgroup.cpu" [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1915] close(24 [pid 311] <... unlink resumed>) = 0 [pid 1916] close(4) = -1 EBADF (Bad file descriptor) [pid 1916] close(5) = -1 EBADF (Bad file descriptor) [pid 1916] close(6) = -1 EBADF (Bad file descriptor) [pid 1916] close(7) = -1 EBADF (Bad file descriptor) [pid 1916] close(8) = -1 EBADF (Bad file descriptor) [pid 1914] +++ exited with 0 +++ [pid 1916] close(9) = -1 EBADF (Bad file descriptor) [pid 1916] close(10 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1915] close(25 [pid 312] umount2("./324/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./318/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1916] close(11 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1915] close(26 [pid 312] newfstatat(AT_FDCWD, "./324/cgroup" [pid 311] newfstatat(AT_FDCWD, "./318/cgroup" [pid 1916] close(12 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... restart_syscall resumed>) = 0 [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1915] close(27 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1916] close(13 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./324/cgroup" [pid 311] unlink("./318/cgroup" [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1915] close(28 [pid 1916] close(14 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] umount2("./310", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1915] close(29 [pid 312] getdents64(3 [pid 311] getdents64(3 [pid 1916] close(15 [pid 1915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1916] close(16 [pid 1915] exit_group(0 [pid 312] close(3 [pid 309] openat(AT_FDCWD, "./310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1915] <... exit_group resumed>) = ? [pid 312] <... close resumed>) = 0 [pid 311] close(3 [pid 1916] close(17 [pid 309] <... openat resumed>) = 3 [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1916] close(18) = -1 EBADF (Bad file descriptor) [pid 1916] close(19) = -1 EBADF (Bad file descriptor) [pid 1916] close(20) = -1 EBADF (Bad file descriptor) [pid 1916] close(21 [pid 1915] +++ exited with 0 +++ [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./324" [pid 311] <... close resumed>) = 0 [pid 1916] close(22 [pid 309] fstat(3 [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] rmdir("./318" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1916] close(23 [pid 312] mkdir("./325", 0777 [pid 311] <... rmdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(3 [pid 1916] close(24 [pid 312] <... mkdir resumed>) = 0 [pid 311] mkdir("./319", 0777 [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1916] close(25 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 309] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 1917 attached [pid 1916] close(26 [pid 309] <... umount2 resumed>) = 0 [pid 1917] set_robust_list(0x55555bb49760, 24 [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 327 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1917] <... set_robust_list resumed>) = 0 [pid 1916] close(27 [pid 310] <... restart_syscall resumed>) = 0 [pid 1917] rt_sigprocmask(SIG_SETMASK, [] [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1916] close(28 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1917] chdir("./325" [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1917] <... chdir resumed>) = 0 [pid 1916] close(29 [pid 1917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1916] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1918 attached [pid 1917] <... prctl resumed>) = 0 [pid 1916] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./310/config" [pid 1918] set_robust_list(0x55555bb49760, 24 [pid 1917] setpgid(0, 0 [pid 1916] <... exit_group resumed>) = ? [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 321 [pid 310] umount2("./316", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1918] <... set_robust_list resumed>) = 0 [pid 1917] <... setpgid resumed>) = 0 [pid 1916] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1918] rt_sigprocmask(SIG_SETMASK, [] [pid 1917] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./310/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1918] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1917] <... symlink resumed>) = 0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] openat(AT_FDCWD, "./316", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1918] chdir("./319" [pid 1917] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... openat resumed>) = 3 [pid 1918] <... chdir resumed>) = 0 [pid 1917] <... symlink resumed>) = 0 [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./310/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1917] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1918] <... prctl resumed>) = 0 [pid 1917] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1918] setpgid(0, 0 [pid 1917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 309] fstat(4 [pid 1918] <... setpgid resumed>) = 0 [pid 1917] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1918] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1917] write(3, "1000", 4 [pid 310] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1918] <... symlink resumed>) = 0 [pid 1917] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1918] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1917] close(3 [pid 310] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 1918] <... symlink resumed>) = 0 [pid 1917] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1918] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1917] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1918] <... symlink resumed>) = 0 [pid 1917] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./316/config" [pid 1918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 1917] write(1, "executing program\n", 18 [pid 309] close(4 [pid 1918] <... openat resumed>) = 3 [pid 1917] <... write resumed>) = 18 [pid 313] <... restart_syscall resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 1918] write(3, "1000", 4 [pid 1917] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./310/config" [pid 1918] <... write resumed>) = 4 [pid 1917] <... mkdirat resumed>) = 0 [pid 1918] close(3 [pid 1917] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1918] <... close resumed>) = 0 [pid 1917] <... mount resumed>) = 0 [pid 313] umount2("./329", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./316/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./310/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1918] symlink("/dev/binderfs", "./binderfs" [pid 1917] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 1918] <... symlink resumed>) = 0 [pid 1917] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] openat(AT_FDCWD, "./329", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1918] write(1, "executing program\n", 18 executing program [pid 1917] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./310/binderfs" [pid 1918] <... write resumed>) = 18 [pid 1917] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] fstat(3 [pid 310] getdents64(4 [pid 1918] mkdirat(AT_FDCWD, "./config", 0777 [pid 1917] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1918] <... mkdirat resumed>) = 0 [pid 1917] <... mkdirat resumed>) = 0 [pid 313] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./310/binderfs" [pid 1918] mount(NULL, "./config", "configfs", 0, NULL [pid 1917] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] getdents64(4 [pid 1918] <... mount resumed>) = 0 [pid 1917] <... symlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1917] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1918] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1917] <... unlinkat resumed>) = 0 [pid 313] umount2("./329/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./310/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1917] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... umount2 resumed>) = 0 [pid 310] close(4 [pid 1918] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1917] <... unlinkat resumed>) = 0 [pid 313] umount2("./329/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1917] close(3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./316/config" [pid 309] newfstatat(AT_FDCWD, "./310/cgroup.net" [pid 1918] <... mkdirat resumed>) = 0 [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./329/config" [pid 1918] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1917] close(4 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1918] <... symlinkat resumed>) = 0 [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./316/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./310/cgroup.net" [pid 1918] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1917] close(5 [pid 313] umount2("./329/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1918] <... unlinkat resumed>) = 0 [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./316/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1918] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1917] close(6 [pid 313] openat(AT_FDCWD, "./329/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1918] <... unlinkat resumed>) = 0 [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./310/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1918] close(3 [pid 1917] close(7 [pid 313] <... openat resumed>) = 4 [pid 310] unlink("./316/binderfs" [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 1918] close(4 [pid 1917] close(8 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] umount2("./316/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./310/cgroup.cpu" [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1918] close(5 [pid 1917] close(9 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./316/cgroup.net" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./310/cgroup.cpu" [pid 1918] close(6 [pid 1917] close(10 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] unlink("./316/cgroup.net" [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 309] <... unlink resumed>) = 0 [pid 1918] close(7 [pid 1917] close(11 [pid 313] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./310/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./329/config" [pid 310] umount2("./316/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1918] close(8 [pid 1917] close(12 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./310/cgroup" [pid 1918] close(9 [pid 1917] close(13 [pid 313] umount2("./329/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./316/cgroup.cpu" [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1918] close(10 [pid 1917] close(14 [pid 313] newfstatat(AT_FDCWD, "./329/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./310/cgroup" [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./316/cgroup.cpu" [pid 1918] close(11 [pid 1917] close(15 [pid 313] unlink("./329/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 1918] close(12 [pid 1917] close(16 [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./316/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./329/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1918] close(13 [pid 1917] close(17 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./316/cgroup" [pid 309] close(3 [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./329/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 1918] close(14 [pid 1917] close(18 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./316/cgroup" [pid 309] rmdir("./310" [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./329/cgroup.net" [pid 1918] close(15 [pid 1917] close(19 [pid 310] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] mkdir("./311", 0777 [pid 1918] close(16 [pid 1917] close(20 [pid 313] umount2("./329/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... mkdir resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1918] close(17 [pid 1917] close(21 [pid 313] newfstatat(AT_FDCWD, "./329/cgroup.cpu" [pid 310] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1918] close(18 [pid 1917] close(22 [pid 313] unlink("./329/cgroup.cpu" [pid 310] rmdir("./316" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1918] close(19 [pid 1917] close(23 [pid 310] <... rmdir resumed>) = 0 [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1918] close(20 [pid 1917] close(24 [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1918] close(21 [pid 1917] close(25 [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1919 attached [pid 1918] close(22 [pid 1917] close(26 [pid 313] umount2("./329/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./317", 0777 [pid 1919] set_robust_list(0x55555bb49760, 24 [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1919] <... set_robust_list resumed>) = 0 [pid 1918] close(23 [pid 1917] close(27 [pid 313] newfstatat(AT_FDCWD, "./329/cgroup" [pid 310] <... mkdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 313 [pid 1919] rt_sigprocmask(SIG_SETMASK, [] [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1919] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1918] close(24 [pid 1917] close(28 [pid 313] unlink("./329/cgroup" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1919] chdir("./311" [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1919] <... chdir resumed>) = 0 [pid 1918] close(25 [pid 1917] close(29 [pid 313] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1918] close(26 [pid 1917] exit_group(0 [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1917] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1920 attached [pid 1919] <... prctl resumed>) = 0 [pid 1918] close(27 [pid 1917] +++ exited with 0 +++ [pid 313] close(3 [pid 1920] set_robust_list(0x55555bb49760, 24 [pid 1919] setpgid(0, 0 [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1920] <... set_robust_list resumed>) = 0 [pid 1919] <... setpgid resumed>) = 0 [pid 1918] close(28 [pid 313] rmdir("./329" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 319 [pid 1920] rt_sigprocmask(SIG_SETMASK, [] [pid 1919] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1919] <... symlink resumed>) = 0 [pid 1918] close(29 [pid 313] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1920] chdir("./317" [pid 1919] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./330", 0777 [pid 1920] <... chdir resumed>) = 0 [pid 1919] <... symlink resumed>) = 0 [pid 1918] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1919] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1918] <... exit_group resumed>) = ? [pid 313] <... mkdir resumed>) = 0 [pid 312] umount2("./325", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1920] <... prctl resumed>) = 0 [pid 1919] <... symlink resumed>) = 0 [pid 1918] +++ exited with 0 +++ [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1920] setpgid(0, 0 [pid 1919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1920] <... setpgid resumed>) = 0 [pid 1919] <... openat resumed>) = 3 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] openat(AT_FDCWD, "./325", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1920] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1919] write(3, "1000", 4 [pid 1920] <... symlink resumed>) = 0 [pid 1920] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu"ci2-android-5-15/strace-static-x86_64: Process 1921 attached ) = 0 [pid 1919] <... write resumed>) = 4 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 332 [pid 312] <... openat resumed>) = 3 [pid 1921] set_robust_list(0x55555bb49760, 24 [pid 1920] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1919] close(3 [pid 1921] <... set_robust_list resumed>) = 0 [pid 1920] <... symlink resumed>) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] fstat(3 [pid 1921] rt_sigprocmask(SIG_SETMASK, [] [pid 1920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1919] <... close resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1921] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1920] <... openat resumed>) = 3 [pid 1919] symlink("/dev/binderfs", "./binderfs" [pid 1921] chdir("./330" [pid 1920] write(3, "1000", 4 [pid 312] getdents64(3 [pid 1920] <... write resumed>) = 4 [pid 1921] <... chdir resumed>) = 0 [pid 1919] <... symlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1920] close(3 [pid 1919] write(1, "executing program\n", 18 [pid 312] umount2("./325/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1921] <... prctl resumed>) = 0 [pid 1920] <... close resumed>) = 0 [pid 1919] <... write resumed>) = 18 [pid 1921] setpgid(0, 0 executing program [pid 1920] symlink("/dev/binderfs", "./binderfs" [pid 312] <... umount2 resumed>) = 0 [pid 1921] <... setpgid resumed>) = 0 [pid 1920] <... symlink resumed>) = 0 [pid 1919] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] umount2("./325/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1921] symlink("/syzcgroup/unified/syz4", "./cgroup" executing program [pid 1920] write(1, "executing program\n", 18) = 18 [pid 1921] <... symlink resumed>) = 0 [pid 1919] <... mkdirat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1921] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1920] mkdirat(AT_FDCWD, "./config", 0777 [pid 1919] mount(NULL, "./config", "configfs", 0, NULL [pid 312] newfstatat(AT_FDCWD, "./325/config" [pid 1921] <... symlink resumed>) = 0 [pid 1920] <... mkdirat resumed>) = 0 [pid 1921] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1920] mount(NULL, "./config", "configfs", 0, NULL [pid 1919] <... mount resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1921] <... symlink resumed>) = 0 [pid 1920] <... mount resumed>) = 0 [pid 1919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] umount2("./325/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1920] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1919] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1921] <... openat resumed>) = 3 [pid 1920] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1921] write(3, "1000", 4 [pid 1920] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1919] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] openat(AT_FDCWD, "./325/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1921] <... write resumed>) = 4 [pid 1920] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1921] close(3 [pid 1920] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... openat resumed>) = 4 [pid 1921] <... close resumed>) = 0 [pid 1920] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1919] <... mkdirat resumed>) = 0 [pid 312] fstat(4 [pid 1921] symlink("/dev/binderfs", "./binderfs" [pid 1920] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1919] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1921] <... symlink resumed>) = 0 [pid 1920] <... symlinkat resumed>) = 0 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1921] write(1, "executing program\n", 18 executing program [pid 1920] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1919] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1921] <... write resumed>) = 18 [pid 1920] <... unlinkat resumed>) = 0 [pid 1919] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] getdents64(4 [pid 1921] mkdirat(AT_FDCWD, "./config", 0777 [pid 1920] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1919] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1921] <... mkdirat resumed>) = 0 [pid 1920] <... unlinkat resumed>) = 0 [pid 1919] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1921] mount(NULL, "./config", "configfs", 0, NULL [pid 1920] close(3 [pid 1919] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1921] <... mount resumed>) = 0 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(3 [pid 312] getdents64(4 [pid 1921] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1920] close(4 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1921] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(4 [pid 312] close(4 [pid 1921] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1920] close(5) = -1 EBADF (Bad file descriptor) [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1921] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1920] close(6 [pid 1919] close(5 [pid 1921] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./325/config" [pid 1920] close(7) = -1 EBADF (Bad file descriptor) [pid 1921] <... mkdirat resumed>) = 0 [pid 1920] close(8 [pid 1919] close(6 [pid 1921] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1920] close(9 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1921] <... symlinkat resumed>) = 0 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(7 [pid 312] umount2("./325/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1921] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1920] close(10 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] close(11) = -1 EBADF (Bad file descriptor) [pid 1920] close(12) = -1 EBADF (Bad file descriptor) [pid 1920] close(13) = -1 EBADF (Bad file descriptor) [pid 1920] close(14) = -1 EBADF (Bad file descriptor) [pid 1920] close(15 [pid 1919] close(8 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1921] <... unlinkat resumed>) = 0 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./325/binderfs" [pid 1921] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1920] close(16 [pid 1919] close(9 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1921] <... unlinkat resumed>) = 0 [pid 1920] close(17 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./325/binderfs" [pid 1921] close(3 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(10 [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] close(18 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1921] close(4 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(11 [pid 312] umount2("./325/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] close(19 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1921] close(5 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(12 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] close(20 [pid 1921] close(6 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./325/cgroup.net" [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] close(21 [pid 1919] close(13 [pid 1921] close(7 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] close(22 [pid 1919] close(14 [pid 312] unlink("./325/cgroup.net" [pid 1921] close(8 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] close(23 [pid 312] <... unlink resumed>) = 0 [pid 1921] close(9 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(15 [pid 312] umount2("./325/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] close(24 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1921] close(10 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(16 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] close(25 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./325/cgroup.cpu" [pid 1921] close(11 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(17 [pid 311] umount2("./319", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] close(26 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1921] close(12 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(18 [pid 312] unlink("./325/cgroup.cpu" [pid 311] openat(AT_FDCWD, "./319", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] close(27 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1921] close(13 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(19 [pid 312] umount2("./325/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... openat resumed>) = 3 [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] close(28 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(3 [pid 1921] close(14 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(20 [pid 312] newfstatat(AT_FDCWD, "./325/cgroup" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] close(29 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1921] close(15 [pid 1920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(21 [pid 311] getdents64(3 [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] exit_group(0 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./325/cgroup" [pid 1921] close(16 [pid 1920] <... exit_group resumed>) = ? [pid 1919] close(22 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1920] +++ exited with 0 +++ [pid 312] <... unlink resumed>) = 0 [pid 1921] close(17 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(23 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1921] close(18 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] <... umount2 resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(24 [pid 312] <... close resumed>) = 0 [pid 311] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1921] close(19 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./325" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(25 [pid 1921] close(20 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./319/config" [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(26 [pid 312] mkdir("./326", 0777 [pid 1921] close(21 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(27 [pid 312] <... mkdir resumed>) = 0 [pid 1921] close(22 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(28 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1921] close(23 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] close(29ci2-android-5-15/strace-static-x86_64: Process 1922 attached [pid 1921] close(24 [pid 1919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./319/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1922] set_robust_list(0x55555bb49760, 24 [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1922] <... set_robust_list resumed>) = 0 [pid 1919] exit_group(0 [pid 1921] close(25 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 328 [pid 311] <... openat resumed>) = 4 [pid 1922] rt_sigprocmask(SIG_SETMASK, [] [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1919] <... exit_group resumed>) = ? [pid 1922] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] fstat(4 [pid 1922] chdir("./326" [pid 1921] close(26 [pid 1922] <... chdir resumed>) = 0 [pid 1922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1922] setpgid(0, 0) = 0 [pid 1922] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1919] +++ exited with 0 +++ [pid 1922] <... symlink resumed>) = 0 [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1922] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1921] close(27 [pid 311] getdents64(4 [pid 1922] <... symlink resumed>) = 0 [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1922] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1921] close(28 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1922] <... symlink resumed>) = 0 [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1921] close(29 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1922] <... openat resumed>) = 3 [pid 1921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 1922] write(3, "1000", 4) = 4 [pid 1921] exit_group(0 [pid 311] <... close resumed>) = 0 [pid 1922] close(3 [pid 1921] <... exit_group resumed>) = ? [pid 311] rmdir("./319/config" [pid 1922] <... close resumed>) = 0 [pid 1922] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1922] write(1, "executing program\n", 18) = 18 [pid 1922] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1921] +++ exited with 0 +++ [pid 1922] mount(NULL, "./config", "configfs", 0, NULL [pid 311] <... rmdir resumed>) = 0 [pid 309] umount2("./311", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1922] <... mount resumed>) = 0 [pid 311] umount2("./319/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 executing program [pid 1922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1922] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] newfstatat(AT_FDCWD, "./319/binderfs" [pid 1922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] openat(AT_FDCWD, "./311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1922] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./317", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] unlink("./319/binderfs" [pid 309] <... openat resumed>) = 3 [pid 1922] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1922] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1922] <... symlinkat resumed>) = 0 [pid 311] umount2("./319/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./317", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1922] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 1922] <... unlinkat resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./319/cgroup.net" [pid 310] fstat(3 [pid 1922] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1922] <... unlinkat resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1922] close(3 [pid 311] unlink("./319/cgroup.net" [pid 309] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./330", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1922] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./330", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./319/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1922] close(5 [pid 313] <... openat resumed>) = 3 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1922] close(6 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./319/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./311/config" [pid 310] <... umount2 resumed>) = 0 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1922] close(7 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] unlink("./319/cgroup.cpu" [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./330/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./311/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1922] close(8 [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./317/config" [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 311] umount2("./319/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1922] close(9 [pid 313] umount2("./330/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./311/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./319/cgroup" [pid 310] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1922] close(10 [pid 313] newfstatat(AT_FDCWD, "./330/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./319/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 1922] close(11 [pid 313] umount2("./330/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./317/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1922] close(12 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(3 [pid 310] <... openat resumed>) = 4 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./330/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] fstat(4 [pid 309] getdents64(4 [pid 1922] close(13 [pid 313] <... openat resumed>) = 4 [pid 311] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 1922] close(14 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] rmdir("./319" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 309] close(4 [pid 1922] close(15 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] mkdir("./320", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] close(4 [pid 1922] close(16 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./311/config" [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... close resumed>) = 0 [pid 1922] close(17 [pid 313] <... close resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./317/config" [pid 309] <... rmdir resumed>) = 0 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./330/config"ci2-android-5-15/strace-static-x86_64: Process 1923 attached [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./311/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1923] set_robust_list(0x55555bb49760, 24 [pid 1922] close(18 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 322 [pid 310] umount2("./317/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1923] <... set_robust_list resumed>) = 0 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./330/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./311/binderfs" [pid 1923] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./317/binderfs" [pid 1923] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1922] close(19 [pid 313] newfstatat(AT_FDCWD, "./330/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1923] chdir("./320" [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./317/binderfs" [pid 309] unlink("./311/binderfs" [pid 1923] <... chdir resumed>) = 0 [pid 1922] close(20 [pid 313] unlink("./330/binderfs" [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./317/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./311/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1923] <... prctl resumed>) = 0 [pid 1922] close(21 [pid 313] umount2("./330/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1923] setpgid(0, 0 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1923] <... setpgid resumed>) = 0 [pid 1922] close(22 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./317/cgroup.net" [pid 309] newfstatat(AT_FDCWD, "./311/cgroup.net" [pid 1923] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./330/cgroup.net" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1923] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1923] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1922] close(23 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./317/cgroup.net" [pid 309] unlink("./311/cgroup.net" [pid 1923] <... symlink resumed>) = 0 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./330/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1922] close(24 [pid 1923] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./317/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./311/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1923] <... symlink resumed>) = 0 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./330/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1922] close(25 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./317/cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./311/cgroup.cpu" [pid 1923] <... openat resumed>) = 3 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./330/cgroup.cpu" [pid 1923] write(3, "1000", 4 [pid 1922] close(26 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1923] <... write resumed>) = 4 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./317/cgroup.cpu" [pid 309] unlink("./311/cgroup.cpu" [pid 1923] close(3 [pid 1922] close(27 [pid 313] unlink("./330/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 1923] <... close resumed>) = 0 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1923] symlink("/dev/binderfs", "./binderfs" [pid 1922] close(28 [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./317/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./311/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1923] <... symlink resumed>) = 0 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./330/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1923] write(1, "executing program\n", 18 [pid 1922] close(29 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./317/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1923] <... write resumed>) = 18 [pid 1922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./330/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./311/cgroup" [pid 1923] mkdirat(AT_FDCWD, "./config", 0777 [pid 1922] exit_group(0 executing program [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./317/cgroup" [pid 1923] <... mkdirat resumed>) = 0 [pid 1922] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] unlink("./330/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./311/cgroup" [pid 1922] +++ exited with 0 +++ [pid 309] <... unlink resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 1923] mount(NULL, "./config", "configfs", 0, NULL [pid 313] getdents64(3 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1923] <... mount resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 1923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] close(3 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] close(3 [pid 1923] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] rmdir("./330" [pid 310] <... close resumed>) = 0 [pid 309] rmdir("./311" [pid 1923] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... rmdir resumed>) = 0 [pid 310] rmdir("./317" [pid 1923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] mkdir("./331", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1923] <... mkdirat resumed>) = 0 [pid 309] mkdir("./312", 0777 [pid 313] <... mkdir resumed>) = 0 [pid 310] mkdir("./318", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1923] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1923] <... symlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1923] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1923] <... unlinkat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1924 attached [pid 1924] set_robust_list(0x55555bb49760, 24) = 0 [pid 1924] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 1925 attached , NULL, 8) = 0 [pid 1923] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 333 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1925] set_robust_list(0x55555bb49760, 24 [pid 1924] chdir("./331" [pid 1925] <... set_robust_list resumed>) = 0 [pid 1924] <... chdir resumed>) = 0 [pid 1923] <... unlinkat resumed>) = 0 [pid 1925] rt_sigprocmask(SIG_SETMASK, [] [pid 1924] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 1926 attached [pid 1925] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1924] <... prctl resumed>) = 0 [pid 1923] close(3 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 314 [pid 1926] set_robust_list(0x55555bb49760, 24 [pid 1925] chdir("./312" [pid 1924] setpgid(0, 0 [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 320 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1926] <... set_robust_list resumed>) = 0 [pid 1925] <... chdir resumed>) = 0 [pid 1924] <... setpgid resumed>) = 0 [pid 1923] close(4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1926] rt_sigprocmask(SIG_SETMASK, [] [pid 1925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1924] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1926] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1925] <... prctl resumed>) = 0 [pid 1924] <... symlink resumed>) = 0 [pid 1923] close(5 [pid 1926] chdir("./318" [pid 1925] setpgid(0, 0 [pid 1924] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] <... chdir resumed>) = 0 [pid 1925] <... setpgid resumed>) = 0 [pid 1924] <... symlink resumed>) = 0 [pid 1923] close(6 [pid 312] <... restart_syscall resumed>) = 0 [pid 1926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1925] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1924] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] <... prctl resumed>) = 0 [pid 1925] <... symlink resumed>) = 0 [pid 1924] <... symlink resumed>) = 0 [pid 1923] close(7 [pid 1926] setpgid(0, 0 [pid 1925] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] <... setpgid resumed>) = 0 [pid 1925] <... symlink resumed>) = 0 [pid 1924] <... openat resumed>) = 3 [pid 1923] close(8 [pid 1926] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1925] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1924] write(3, "1000", 4 [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./326", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1926] <... symlink resumed>) = 0 [pid 1925] <... symlink resumed>) = 0 [pid 1924] <... write resumed>) = 4 [pid 1923] close(9 [pid 1926] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1924] close(3 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1926] <... symlink resumed>) = 0 [pid 1924] <... close resumed>) = 0 [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1925] <... openat resumed>) = 3 [pid 1924] symlink("/dev/binderfs", "./binderfs" [pid 1923] close(10 [pid 312] openat(AT_FDCWD, "./326", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1926] <... symlink resumed>) = 0 [pid 1925] write(3, "1000", 4 [pid 1924] <... symlink resumed>) = 0 [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1925] <... write resumed>) = 4 [pid 1924] write(1, "executing program\n", 18 executing program [pid 1923] close(11 [pid 312] <... openat resumed>) = 3 [pid 1926] <... openat resumed>) = 3 [pid 1925] close(3 [pid 1924] <... write resumed>) = 18 [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 1926] write(3, "1000", 4 [pid 1925] <... close resumed>) = 0 [pid 1924] mkdirat(AT_FDCWD, "./config", 0777 [pid 1923] close(12 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1926] <... write resumed>) = 4 [pid 1925] symlink("/dev/binderfs", "./binderfs" [pid 1924] <... mkdirat resumed>) = 0 [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] close(3 [pid 1924] mount(NULL, "./config", "configfs", 0, NULL [pid 312] getdents64(3 [pid 1926] <... close resumed>) = 0 [pid 1925] <... symlink resumed>) = 0 [pid 1924] <... mount resumed>) = 0 [pid 1923] close(13 [pid 1926] symlink("/dev/binderfs", "./binderfs" [pid 1925] write(1, "executing program\n", 18 executing program [pid 1924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1926] <... symlink resumed>) = 0 executing program [pid 1925] <... write resumed>) = 18 [pid 1924] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./326/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1926] write(1, "executing program\n", 18 [pid 1925] mkdirat(AT_FDCWD, "./config", 0777 [pid 1924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1923] close(14 [pid 1926] <... write resumed>) = 18 [pid 1925] <... mkdirat resumed>) = 0 [pid 1924] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 1926] mkdirat(AT_FDCWD, "./config", 0777 [pid 1925] mount(NULL, "./config", "configfs", 0, NULL [pid 1924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1923] close(15 [pid 312] umount2("./326/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1926] <... mkdirat resumed>) = 0 [pid 1925] <... mount resumed>) = 0 [pid 1924] <... mkdirat resumed>) = 0 [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1926] mount(NULL, "./config", "configfs", 0, NULL [pid 1925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1924] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1923] close(16 [pid 312] newfstatat(AT_FDCWD, "./326/config" [pid 1926] <... mount resumed>) = 0 [pid 1925] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1924] <... symlinkat resumed>) = 0 [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1924] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1923] close(17 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1925] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1924] <... unlinkat resumed>) = 0 [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1924] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1923] close(18 [pid 312] umount2("./326/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1925] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1924] <... unlinkat resumed>) = 0 [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1925] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1924] close(3 [pid 1923] close(19 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1926] <... mkdirat resumed>) = 0 [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1925] <... symlinkat resumed>) = 0 [pid 1924] close(4 [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./326/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1926] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1925] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1923] close(20 [pid 1926] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1924] close(5 [pid 312] <... openat resumed>) = 4 [pid 1926] <... unlinkat resumed>) = 0 [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1924] close(6 [pid 1926] <... unlinkat resumed>) = 0 [pid 1925] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1926] close(3 [pid 1925] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1924] close(7 [pid 1923] close(21 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1926] close(4 [pid 1925] close(3 [pid 1924] close(8 [pid 1923] close(22 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1926] close(5 [pid 1925] close(4 [pid 1924] close(9 [pid 1923] close(23 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1926] close(6 [pid 1925] close(5 [pid 1924] close(10 [pid 1923] close(24 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1926] close(7 [pid 1925] close(6 [pid 1924] close(11 [pid 1923] close(25 [pid 312] rmdir("./326/config" [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1926] close(8 [pid 1925] close(7 [pid 1924] close(12 [pid 1923] close(26 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./326/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1926] close(9 [pid 1925] close(8 [pid 1924] close(13 [pid 1923] close(27 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1926] close(10 [pid 1925] close(9 [pid 1924] close(14 [pid 1923] close(28 [pid 312] newfstatat(AT_FDCWD, "./326/binderfs" [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] close(11 [pid 1925] close(10 [pid 1924] close(15 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1923] close(29 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./326/binderfs" [pid 1926] close(12 [pid 1925] close(11 [pid 1924] close(16 [pid 1923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1926] close(13 [pid 1925] close(12 [pid 1924] close(17 [pid 1923] exit_group(0 [pid 312] umount2("./326/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1923] <... exit_group resumed>) = ? [pid 1926] close(14 [pid 1925] close(13 [pid 1924] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] close(15 [pid 1924] close(19 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] close(16 [pid 1924] close(20 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] close(17 [pid 1924] close(21 [pid 1923] +++ exited with 0 +++ [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./326/cgroup.net" [pid 1926] close(18 [pid 1925] close(14 [pid 1924] close(22 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1926] close(19 [pid 1925] close(15 [pid 1924] close(23 [pid 312] unlink("./326/cgroup.net" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] close(20 [pid 1925] close(16 [pid 1924] close(24 [pid 312] <... unlink resumed>) = 0 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./326/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1926] close(21 [pid 1925] close(17 [pid 1924] close(25 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1926] close(22 [pid 1925] close(18 [pid 1924] close(26 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./326/cgroup.cpu" [pid 1926] close(23 [pid 1925] close(19 [pid 1924] close(27 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1926] close(24 [pid 1925] close(20 [pid 1924] close(28 [pid 312] unlink("./326/cgroup.cpu" [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] close(25 [pid 1925] close(21 [pid 1924] close(29 [pid 312] <... unlink resumed>) = 0 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./326/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1926] close(26 [pid 1925] close(22 [pid 1924] exit_group(0 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1924] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1926] close(27 [pid 1925] close(23 [pid 1924] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./326/cgroup" [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] close(28 [pid 1925] close(24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] unlink("./326/cgroup" [pid 1926] close(29 [pid 1925] close(25 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1926] exit_group(0 [pid 1925] close(26 [pid 313] <... restart_syscall resumed>) = 0 [pid 312] getdents64(3 [pid 1926] <... exit_group resumed>) = ? [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1926] +++ exited with 0 +++ [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1925] close(27 [pid 312] close(3 [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] umount2("./331", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1925] close(28 [pid 312] <... close resumed>) = 0 [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rmdir("./326" [pid 1925] close(29 [pid 313] openat(AT_FDCWD, "./331", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] <... restart_syscall resumed>) = 0 [pid 1925] exit_group(0) = ? [pid 312] mkdir("./327", 0777 [pid 310] umount2("./318", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1925] +++ exited with 0 +++ [pid 311] umount2("./320", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./318", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 313] fstat(3 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] openat(AT_FDCWD, "./320", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 313] getdents64(3 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 313] umount2("./331/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(3 [pid 313] <... umount2 resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 313] umount2("./331/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1927 attached [pid 313] newfstatat(AT_FDCWD, "./331/config" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] getdents64(3 [pid 1927] set_robust_list(0x55555bb49760, 24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 329 [pid 311] getdents64(3 [pid 1927] <... set_robust_list resumed>) = 0 [pid 313] umount2("./331/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1927] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1927] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] openat(AT_FDCWD, "./331/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] umount2("./320/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1927] chdir("./327" [pid 313] <... openat resumed>) = 4 [pid 1927] <... chdir resumed>) = 0 [pid 313] fstat(4 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 1927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] umount2("./320/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1927] <... prctl resumed>) = 0 [pid 313] getdents64(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1927] setpgid(0, 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] newfstatat(AT_FDCWD, "./320/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1927] <... setpgid resumed>) = 0 [pid 313] getdents64(4 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1927] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./318/config" [pid 311] umount2("./320/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1927] <... symlink resumed>) = 0 [pid 313] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1927] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 313] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1927] <... symlink resumed>) = 0 [pid 313] rmdir("./331/config" [pid 311] openat(AT_FDCWD, "./320/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1927] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1927] <... symlink resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 310] openat(AT_FDCWD, "./318/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] umount2("./331/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(4 [pid 1927] <... openat resumed>) = 3 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... openat resumed>) = 4 [pid 1927] write(3, "1000", 4 [pid 313] newfstatat(AT_FDCWD, "./331/binderfs" [pid 311] getdents64(4 [pid 310] fstat(4 [pid 1927] <... write resumed>) = 4 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1927] close(3 [pid 313] unlink("./331/binderfs" [pid 311] getdents64(4 [pid 310] getdents64(4 [pid 1927] <... close resumed>) = 0 [pid 1927] symlink("/dev/binderfs", "./binderfs" [pid 313] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1927] <... symlink resumed>) = 0 [pid 313] umount2("./331/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] close(4 [pid 310] getdents64(4 [pid 1927] write(1, "executing program\n", 18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 1927] <... write resumed>) = 18 executing program [pid 313] newfstatat(AT_FDCWD, "./331/cgroup.net" [pid 311] rmdir("./320/config" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1927] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1927] <... mkdirat resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 313] unlink("./331/cgroup.net" [pid 310] close(4 [pid 1927] mount(NULL, "./config", "configfs", 0, NULL [pid 311] umount2("./320/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1927] <... mount resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 1927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] umount2("./331/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./318/config" [pid 1927] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./320/binderfs" [pid 1927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] newfstatat(AT_FDCWD, "./331/cgroup.cpu" [pid 310] <... rmdir resumed>) = 0 [pid 1927] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./318/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] unlink("./331/cgroup.cpu" [pid 311] unlink("./320/binderfs" [pid 1927] <... mkdirat resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1927] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] umount2("./331/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./318/binderfs" [pid 1927] <... symlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./320/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1927] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] newfstatat(AT_FDCWD, "./331/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1927] <... unlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./318/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 1927] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] unlink("./331/cgroup" [pid 311] newfstatat(AT_FDCWD, "./320/cgroup.net" [pid 1927] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1927] close(3 [pid 313] <... unlink resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./318/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] unlink("./320/cgroup.net" [pid 1927] close(4 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./318/cgroup.net" [pid 1927] close(5 [pid 313] close(3 [pid 311] umount2("./320/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./312", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1927] close(6 [pid 313] rmdir("./331" [pid 311] newfstatat(AT_FDCWD, "./320/cgroup.cpu" [pid 310] unlink("./318/cgroup.net" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1927] close(7 [pid 313] mkdir("./332", 0777 [pid 311] unlink("./320/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./312", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1927] close(8 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./318/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] umount2("./320/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 1927] close(9 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] newfstatat(AT_FDCWD, "./320/cgroup" [pid 310] newfstatat(AT_FDCWD, "./318/cgroup.cpu" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1927] close(10) = -1 EBADF (Bad file descriptor) [pid 1927] close(11) = -1 EBADF (Bad file descriptor) [pid 1927] close(12) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1928 attached [pid 1927] close(13 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 334 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 1928] set_robust_list(0x55555bb49760, 24 [pid 1927] close(14 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] unlink("./320/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1928] <... set_robust_list resumed>) = 0 [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./318/cgroup.cpu" [pid 1928] rt_sigprocmask(SIG_SETMASK, [] [pid 1927] close(15 [pid 309] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1928] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 1927] close(16 [pid 309] <... umount2 resumed>) = 0 [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1927] close(17) = -1 EBADF (Bad file descriptor) [pid 1927] close(18) = -1 EBADF (Bad file descriptor) [pid 1927] close(19 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./318/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1928] chdir("./332" [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1928] <... chdir resumed>) = 0 [pid 1927] close(20 [pid 311] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./318/cgroup" [pid 1928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rmdir("./320" [pid 309] newfstatat(AT_FDCWD, "./312/config" [pid 1928] <... prctl resumed>) = 0 [pid 1927] close(21 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1928] setpgid(0, 0 [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] mkdir("./321", 0777 [pid 310] unlink("./318/cgroup" [pid 309] umount2("./312/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1928] <... setpgid resumed>) = 0 [pid 1927] close(22 [pid 311] <... mkdir resumed>) = 0 [pid 1928] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1928] <... symlink resumed>) = 0 [pid 1927] close(23 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(3 [pid 309] openat(AT_FDCWD, "./312/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1928] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1928] <... symlink resumed>) = 0 [pid 1927] close(24 [pid 309] <... openat resumed>) = 4 [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1927] close(25) = -1 EBADF (Bad file descriptor) [pid 1927] close(26) = -1 EBADF (Bad file descriptor) [pid 1927] close(27) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1929 attached [pid 1928] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1927] close(28 [pid 310] close(3 [pid 309] fstat(4 [pid 1929] set_robust_list(0x55555bb49760, 24 [pid 1928] <... symlink resumed>) = 0 [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1929] <... set_robust_list resumed>) = 0 [pid 1928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1927] close(29 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 323 [pid 310] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1929] rt_sigprocmask(SIG_SETMASK, [] [pid 1928] <... openat resumed>) = 3 [pid 1927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./318" [pid 1929] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1928] write(3, "1000", 4 [pid 1927] exit_group(0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 1929] chdir("./321" [pid 1928] <... write resumed>) = 4 [pid 1927] <... exit_group resumed>) = ? [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1929] <... chdir resumed>) = 0 [pid 1928] close(3 [pid 1927] +++ exited with 0 +++ [pid 310] mkdir("./319", 0777 [pid 309] getdents64(4 [pid 1929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1928] <... close resumed>) = 0 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1929] <... prctl resumed>) = 0 [pid 1928] symlink("/dev/binderfs", "./binderfs" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1929] setpgid(0, 0 [pid 1928] <... symlink resumed>) = 0 [pid 1929] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(4 [pid 1928] write(1, "executing program\n", 18 [pid 1929] symlink("/syzcgroup/unified/syz2", "./cgroup" executing program [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1928] <... write resumed>) = 18 [pid 1929] <... symlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./312/config" [pid 1929] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1928] mkdirat(AT_FDCWD, "./config", 0777 [pid 1929] <... symlink resumed>) = 0 [pid 1929] symlink("/syzcgroup/net/syz2", "./cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1930 attached ) = 0 [pid 1929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1928] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 321 [pid 1930] set_robust_list(0x55555bb49760, 24 [pid 1929] <... openat resumed>) = 3 [pid 1928] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./312/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1930] <... set_robust_list resumed>) = 0 [pid 1929] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1929] <... write resumed>) = 4 [pid 1928] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1930] rt_sigprocmask(SIG_SETMASK, [] [pid 1929] close(3 [pid 1928] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./312/binderfs" [pid 1930] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1929] <... close resumed>) = 0 [pid 1928] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1930] chdir("./319" [pid 1929] symlink("/dev/binderfs", "./binderfs" [pid 1928] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1930] <... chdir resumed>) = 0 [pid 1929] <... symlink resumed>) = 0 [pid 1928] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./312/binderfs" [pid 1930] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 1929] write(1, "executing program\n", 18 [pid 1928] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1930] <... prctl resumed>) = 0 [pid 1929] <... write resumed>) = 18 [pid 309] <... unlink resumed>) = 0 [pid 1929] mkdirat(AT_FDCWD, "./config", 0777 [pid 1930] setpgid(0, 0 [pid 1929] <... mkdirat resumed>) = 0 [pid 1928] <... mkdirat resumed>) = 0 [pid 309] umount2("./312/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1930] <... setpgid resumed>) = 0 [pid 1929] mount(NULL, "./config", "configfs", 0, NULL [pid 1928] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1930] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1929] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1928] <... symlinkat resumed>) = 0 [pid 1930] <... symlink resumed>) = 0 [pid 1929] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1928] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] newfstatat(AT_FDCWD, "./312/cgroup.net" [pid 1930] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1928] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1930] <... symlink resumed>) = 0 [pid 1929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1928] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] unlink("./312/cgroup.net" [pid 1930] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1929] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1929] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1928] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1930] <... symlink resumed>) = 0 [pid 1929] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1928] close(3 [pid 312] <... restart_syscall resumed>) = 0 [pid 309] umount2("./312/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1929] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1930] <... openat resumed>) = 3 [pid 1929] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1928] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1930] write(3, "1000", 4 [pid 1929] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] newfstatat(AT_FDCWD, "./312/cgroup.cpu" [pid 1930] <... write resumed>) = 4 [pid 1929] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1928] close(5 [pid 312] umount2("./327", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1930] close(3 [pid 1929] close(3 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1930] <... close resumed>) = 0 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] close(6 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./312/cgroup.cpu" [pid 1930] symlink("/dev/binderfs", "./binderfs" [pid 1929] close(4 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./327", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1930] <... symlink resumed>) = 0 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] close(7 [pid 309] <... unlink resumed>) = 0 [pid 1930] write(1, "executing program\n", 18 [pid 1929] close(5 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 executing program [pid 309] umount2("./312/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1930] <... write resumed>) = 18 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] close(8 [pid 312] fstat(3 [pid 1930] mkdirat(AT_FDCWD, "./config", 0777 [pid 1929] close(6 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1930] <... mkdirat resumed>) = 0 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] close(9 [pid 1930] mount(NULL, "./config", "configfs", 0, NULL [pid 1929] close(7 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./312/cgroup" [pid 1930] <... mount resumed>) = 0 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] close(10 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1929] close(8 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./327/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1930] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] close(11 [pid 1930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1929] close(9 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 309] unlink("./312/cgroup" [pid 1930] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] close(12 [pid 312] umount2("./327/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1929] close(10 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1929] close(11 [pid 1930] <... mkdirat resumed>) = 0 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] close(13 [pid 312] newfstatat(AT_FDCWD, "./327/config" [pid 309] getdents64(3 [pid 1930] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1929] close(12 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1930] <... symlinkat resumed>) = 0 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] close(14 [pid 1930] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1929] close(13 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./327/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 1930] <... unlinkat resumed>) = 0 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] close(15 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1930] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1929] close(14 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... close resumed>) = 0 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./327/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1930] <... unlinkat resumed>) = 0 [pid 1929] close(15 [pid 1928] close(16 [pid 309] rmdir("./312" [pid 1930] close(3 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1929] close(16 [pid 1928] close(17 [pid 312] fstat(4 [pid 309] <... rmdir resumed>) = 0 [pid 1930] close(4 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] mkdir("./313", 0777 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1929] close(17 [pid 1928] close(18 [pid 312] getdents64(4 [pid 1930] close(5 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... mkdir resumed>) = 0 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1929] close(18 [pid 1928] close(19 [pid 312] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1930] close(6 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1929] close(19 [pid 1928] close(20 [pid 312] close(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1930] close(7 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1929] close(20) = -1 EBADF (Bad file descriptor) [pid 1929] close(21) = -1 EBADF (Bad file descriptor) [pid 1929] close(22) = -1 EBADF (Bad file descriptor) [pid 1929] close(23) = -1 EBADF (Bad file descriptor) [pid 1929] close(24ci2-android-5-15/strace-static-x86_64: Process 1931 attached [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] close(21 [pid 312] rmdir("./327/config" [pid 1931] set_robust_list(0x55555bb49760, 24 [pid 1930] close(8 [pid 1929] close(25 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1931] <... set_robust_list resumed>) = 0 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] close(22 [pid 312] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 315 [pid 1931] rt_sigprocmask(SIG_SETMASK, [] [pid 1930] close(9 [pid 1929] close(26 [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./327/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1931] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1931] chdir("./313" [pid 1929] close(27 [pid 1931] <... chdir resumed>) = 0 [pid 1930] close(10 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./327/binderfs" [pid 1931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1929] close(28 [pid 1928] close(24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1931] <... prctl resumed>) = 0 [pid 1930] close(11 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./327/binderfs" [pid 1931] setpgid(0, 0 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1929] close(29 [pid 1928] close(25 [pid 1931] <... setpgid resumed>) = 0 [pid 1930] close(12 [pid 1929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1931] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1929] exit_group(0 [pid 1928] close(26 [pid 312] umount2("./327/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1931] <... symlink resumed>) = 0 [pid 1930] close(13 [pid 1929] <... exit_group resumed>) = ? [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1931] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1929] +++ exited with 0 +++ [pid 1928] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1931] <... symlink resumed>) = 0 [pid 1930] close(14 [pid 1931] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./327/cgroup.net" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1931] <... symlink resumed>) = 0 [pid 1930] close(15 [pid 1928] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./327/cgroup.net" [pid 1931] <... openat resumed>) = 3 [pid 1930] close(16 [pid 1928] close(29 [pid 1931] write(3, "1000", 4 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1931] <... write resumed>) = 4 [pid 1930] close(17 [pid 1931] close(3 [pid 1928] exit_group(0 [pid 1931] <... close resumed>) = 0 executing program [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1928] <... exit_group resumed>) = ? [pid 312] umount2("./327/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1931] symlink("/dev/binderfs", "./binderfs" [pid 1930] close(18 [pid 1931] <... symlink resumed>) = 0 [pid 1931] write(1, "executing program\n", 18) = 18 [pid 1928] +++ exited with 0 +++ [pid 1931] mkdirat(AT_FDCWD, "./config", 0777 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1931] <... mkdirat resumed>) = 0 [pid 1930] close(19 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1931] mount(NULL, "./config", "configfs", 0, NULL [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] newfstatat(AT_FDCWD, "./327/cgroup.cpu" [pid 1931] <... mount resumed>) = 0 [pid 1930] close(20 [pid 1931] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1931] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1930] close(21 [pid 312] unlink("./327/cgroup.cpu" [pid 1931] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1931] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... unlink resumed>) = 0 [pid 1931] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1930] close(22 [pid 312] umount2("./327/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1931] <... mkdirat resumed>) = 0 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1931] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1930] close(23 [pid 1931] <... symlinkat resumed>) = 0 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./327/cgroup" [pid 1931] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1930] close(24 [pid 1931] <... unlinkat resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 1931] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1930] close(25 [pid 312] unlink("./327/cgroup" [pid 1931] <... unlinkat resumed>) = 0 [pid 1931] close(3) = -1 EBADF (Bad file descriptor) [pid 1931] close(4) = -1 EBADF (Bad file descriptor) [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1931] close(5 [pid 312] <... unlink resumed>) = 0 [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1930] close(26 [pid 312] getdents64(3 [pid 1931] close(6 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1930] close(27 [pid 312] close(3 [pid 311] umount2("./321", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1931] close(7 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1930] close(28 [pid 312] rmdir("./327" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1931] close(8 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1930] close(29 [pid 311] openat(AT_FDCWD, "./321", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1931] close(9 [pid 1930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./328", 0777 [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1931] close(10 [pid 1930] exit_group(0 [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 1930] <... exit_group resumed>) = ? [pid 311] fstat(3 [pid 1931] close(11 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1931] close(12) = -1 EBADF (Bad file descriptor) [pid 1931] close(13) = -1 EBADF (Bad file descriptor) [pid 1931] close(14) = -1 EBADF (Bad file descriptor) [pid 1931] close(15) = -1 EBADF (Bad file descriptor) [pid 1931] close(16 [pid 1930] +++ exited with 0 +++ [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1931] close(17 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1931] close(18) = -1 EBADF (Bad file descriptor) [pid 1931] close(19) = -1 EBADF (Bad file descriptor) [pid 1931] close(20) = -1 EBADF (Bad file descriptor) [pid 1931] close(21) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1932 attached [pid 1931] close(22 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... restart_syscall resumed>) = 0 [pid 1932] set_robust_list(0x55555bb49760, 24 [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 330 [pid 311] umount2("./321/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1932] <... set_robust_list resumed>) = 0 [pid 1931] close(23 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1932] rt_sigprocmask(SIG_SETMASK, [] [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 1932] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1931] close(24 [pid 311] umount2("./321/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./319", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1932] chdir("./328" [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1932] <... chdir resumed>) = 0 [pid 1931] close(25 [pid 1932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./321/config" [pid 310] openat(AT_FDCWD, "./319", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1932] <... prctl resumed>) = 0 [pid 1931] close(26 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1932] setpgid(0, 0 [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1932] <... setpgid resumed>) = 0 [pid 1931] close(27 [pid 311] umount2("./321/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 1932] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1932] <... symlink resumed>) = 0 [pid 1931] close(28 [pid 311] openat(AT_FDCWD, "./321/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1932] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 1932] <... symlink resumed>) = 0 [pid 1931] close(29 [pid 311] fstat(4 [pid 310] getdents64(3 [pid 1932] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1932] <... symlink resumed>) = 0 [pid 1931] exit_group(0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1931] <... exit_group resumed>) = ? [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1932] <... openat resumed>) = 3 [pid 1931] +++ exited with 0 +++ [pid 311] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] close(4 [pid 1932] write(3, "1000", 4 [pid 313] umount2("./332", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1932] <... write resumed>) = 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 1932] close(3 [pid 313] openat(AT_FDCWD, "./332", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rmdir("./321/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1932] <... close resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./319/config" [pid 1932] symlink("/dev/binderfs", "./binderfs" [pid 313] fstat(3 [pid 311] umount2("./321/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1932] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1932] write(1, "executing program\n", 18 [pid 313] getdents64(3 [pid 310] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./321/binderfs" [pid 1932] <... write resumed>) = 18 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] umount2("./332/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1932] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... umount2 resumed>) = 0 [pid 311] unlink("./321/binderfs" [pid 310] openat(AT_FDCWD, "./319/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1932] <... mkdirat resumed>) = 0 [pid 313] umount2("./332/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... unlink resumed>) = 0 executing program [pid 1932] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] umount2("./321/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 1932] <... mount resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./332/config" [pid 1932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 1932] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./321/cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] umount2("./332/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1932] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 1932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./321/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1932] <... mkdirat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./332/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 313] <... openat resumed>) = 4 [pid 311] umount2("./321/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1932] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] fstat(4 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1932] <... symlinkat resumed>) = 0 [pid 310] close(4 [pid 1932] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] newfstatat(AT_FDCWD, "./321/cgroup.cpu" [pid 310] <... close resumed>) = 0 [pid 1932] <... unlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 310] rmdir("./319/config" [pid 1932] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1932] <... unlinkat resumed>) = 0 [pid 313] getdents64(4 [pid 1932] close(3 [pid 311] unlink("./321/cgroup.cpu" [pid 310] umount2("./319/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1932] close(4 [pid 313] close(4 [pid 311] umount2("./321/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1932] close(5 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] rmdir("./332/config" [pid 310] newfstatat(AT_FDCWD, "./319/binderfs" [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./321/cgroup" [pid 313] <... rmdir resumed>) = 0 [pid 1932] close(6 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] umount2("./332/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./321/cgroup" [pid 310] unlink("./319/binderfs" [pid 1932] close(7 [pid 313] newfstatat(AT_FDCWD, "./332/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] getdents64(3 [pid 310] umount2("./319/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1932] close(8 [pid 313] unlink("./332/binderfs" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1932] close(9 [pid 313] <... unlink resumed>) = 0 [pid 311] close(3 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./332/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./319/cgroup.net" [pid 1932] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... close resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./332/cgroup.net" [pid 311] rmdir("./321" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1932] close(11 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./332/cgroup.net" [pid 311] mkdir("./322", 0777 [pid 310] unlink("./319/cgroup.net" [pid 1932] close(12 [pid 313] <... unlink resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 313] umount2("./332/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./319/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1932] close(13 [pid 313] newfstatat(AT_FDCWD, "./332/cgroup.cpu" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1932] close(14 [pid 313] unlink("./332/cgroup.cpu" [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./319/cgroup.cpu" [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1933 attached [pid 1933] set_robust_list(0x55555bb49760, 24 [pid 1932] close(15 [pid 313] umount2("./332/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 324 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 1933] <... set_robust_list resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1933] rt_sigprocmask(SIG_SETMASK, [] [pid 1932] close(16 [pid 313] newfstatat(AT_FDCWD, "./332/cgroup" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] unlink("./319/cgroup.cpu" [pid 1933] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1933] chdir("./322" [pid 1932] close(17 [pid 313] unlink("./332/cgroup" [pid 310] <... unlink resumed>) = 0 [pid 1933] <... chdir resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1932] close(18 [pid 313] <... unlink resumed>) = 0 [pid 310] umount2("./319/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./313", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1933] <... prctl resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1933] setpgid(0, 0 [pid 1932] close(19 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./319/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1933] <... setpgid resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./313", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1933] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1932] close(20 [pid 313] <... close resumed>) = 0 [pid 310] unlink("./319/cgroup" [pid 1933] <... symlink resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./332" [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1933] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1932] close(21 [pid 313] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 1933] <... symlink resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./333", 0777 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1933] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1932] close(22 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1933] <... symlink resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 310] close(3 [pid 1933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1932] close(23 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 1933] <... openat resumed>) = 3 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... close resumed>) = 0 [pid 1933] write(3, "1000", 4 [pid 1932] close(24 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1933] <... write resumed>) = 4 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] rmdir("./319" [pid 1933] close(3) = 0 [pid 1933] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1933] write(1, "executing program\n", 18) = 18 ci2-android-5-15/strace-static-x86_64: Process 1934 attached executing program [pid 1933] mkdirat(AT_FDCWD, "./config", 0777 [pid 1932] close(25 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1934] set_robust_list(0x55555bb49760, 24 [pid 1933] <... mkdirat resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 335 [pid 310] mkdir("./320", 0777 [pid 1934] <... set_robust_list resumed>) = 0 [pid 1933] mount(NULL, "./config", "configfs", 0, NULL [pid 1932] close(26 [pid 309] <... umount2 resumed>) = 0 [pid 1934] rt_sigprocmask(SIG_SETMASK, [] [pid 1933] <... mount resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1934] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1932] close(27 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1934] chdir("./333" [pid 1933] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1934] <... chdir resumed>) = 0 [pid 1933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1932] close(28 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./313/config" [pid 1934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1933] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] <... prctl resumed>) = 0 [pid 1933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1934] setpgid(0, 0 [pid 1933] <... mkdirat resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1935 attached [pid 1934] <... setpgid resumed>) = 0 [pid 1933] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1932] close(29 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1935] set_robust_list(0x55555bb49760, 24 [pid 1934] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1933] <... symlinkat resumed>) = 0 [pid 1932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 322 [pid 309] umount2("./313/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1935] <... set_robust_list resumed>) = 0 [pid 1934] <... symlink resumed>) = 0 [pid 1933] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1935] rt_sigprocmask(SIG_SETMASK, [] [pid 1934] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1933] <... unlinkat resumed>) = 0 [pid 1932] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1935] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1934] <... symlink resumed>) = 0 [pid 1933] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1932] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./313/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1935] chdir("./320" [pid 1934] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1933] <... unlinkat resumed>) = 0 [pid 1935] <... chdir resumed>) = 0 [pid 1934] <... symlink resumed>) = 0 [pid 1933] close(3 [pid 1935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1935] <... prctl resumed>) = 0 [pid 1934] <... openat resumed>) = 3 [pid 1933] close(4 [pid 1932] +++ exited with 0 +++ [pid 309] <... openat resumed>) = 4 [pid 1935] setpgid(0, 0 [pid 1934] write(3, "1000", 4 [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(4 [pid 1935] <... setpgid resumed>) = 0 [pid 1934] <... write resumed>) = 4 [pid 1933] close(5 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1935] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1934] close(3 [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 309] getdents64(4 [pid 1935] <... symlink resumed>) = 0 [pid 1934] <... close resumed>) = 0 [pid 1933] close(6 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1935] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1934] symlink("/dev/binderfs", "./binderfs" [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] getdents64(4 [pid 1935] <... symlink resumed>) = 0 [pid 1934] <... symlink resumed>) = 0 [pid 1933] close(7 [pid 312] umount2("./328", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1935] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1934] write(1, "executing program\n", 18 [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] close(4 [pid 1935] <... symlink resumed>) = 0 [pid 1934] <... write resumed>) = 18 [pid 1933] close(8 [pid 312] openat(AT_FDCWD, "./328", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1934] mkdirat(AT_FDCWD, "./config", 0777 [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 1935] <... openat resumed>) = 3 [pid 1934] <... mkdirat resumed>) = 0 [pid 1933] close(9 [pid 312] fstat(3 [pid 309] rmdir("./313/config" [pid 1935] write(3, "1000", 4 [pid 1934] mount(NULL, "./config", "configfs", 0, NULL [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1935] <... write resumed>) = 4 [pid 1934] <... mount resumed>) = 0 [pid 1933] close(10 [pid 312] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 1935] close(3 [pid 1934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./313/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1935] <... close resumed>) = 0 [pid 1934] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1933] close(11 [pid 312] umount2("./328/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1935] symlink("/dev/binderfs", "./binderfs" [pid 1934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1935] <... symlink resumed>) = 0 [pid 1934] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1933] close(12 [pid 312] umount2("./328/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./313/binderfs" executing program [pid 1935] write(1, "executing program\n", 18 [pid 1934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1935] <... write resumed>) = 18 [pid 1933] close(13 [pid 312] newfstatat(AT_FDCWD, "./328/config" [pid 1935] mkdirat(AT_FDCWD, "./config", 0777 [pid 1934] <... mkdirat resumed>) = 0 [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./313/binderfs" [pid 1935] <... mkdirat resumed>) = 0 [pid 1934] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1933] close(14 [pid 312] umount2("./328/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1935] mount(NULL, "./config", "configfs", 0, NULL [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] <... symlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1935] <... mount resumed>) = 0 [pid 1934] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1933] close(15 [pid 312] openat(AT_FDCWD, "./328/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./313/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1934] <... unlinkat resumed>) = 0 [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 1935] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1934] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1933] close(16 [pid 312] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1934] <... unlinkat resumed>) = 0 [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./313/cgroup.net" [pid 1935] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1934] close(3 [pid 1933] close(17 [pid 312] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./313/cgroup.net" [pid 1935] <... mkdirat resumed>) = 0 [pid 1934] close(4 [pid 1933] close(18 [pid 312] getdents64(4 [pid 1935] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1935] <... symlinkat resumed>) = 0 [pid 1934] close(5 [pid 1933] close(19 [pid 312] close(4 [pid 309] umount2("./313/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1935] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1935] <... unlinkat resumed>) = 0 [pid 1934] close(6 [pid 1933] close(20 [pid 312] rmdir("./328/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1935] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./313/cgroup.cpu" [pid 1935] <... unlinkat resumed>) = 0 [pid 1934] close(7 [pid 1933] close(21 [pid 312] umount2("./328/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1935] close(3 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./313/cgroup.cpu" [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(8 [pid 1933] close(22 [pid 312] newfstatat(AT_FDCWD, "./328/binderfs" [pid 1935] close(4 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(9 [pid 1933] close(23 [pid 312] unlink("./328/binderfs" [pid 309] umount2("./313/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1935] close(5 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(10 [pid 1933] close(24 [pid 312] umount2("./328/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1935] close(6 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./313/cgroup" [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(11 [pid 1933] close(25 [pid 312] newfstatat(AT_FDCWD, "./328/cgroup.net" [pid 1935] close(7 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(12 [pid 1933] close(26 [pid 312] unlink("./328/cgroup.net" [pid 309] unlink("./313/cgroup" [pid 1935] close(8 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(13 [pid 1933] close(27 [pid 312] umount2("./328/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 1935] close(9 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(14 [pid 1933] close(28 [pid 312] newfstatat(AT_FDCWD, "./328/cgroup.cpu" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1935] close(10 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(15 [pid 1933] close(29 [pid 312] unlink("./328/cgroup.cpu" [pid 309] <... close resumed>) = 0 [pid 1935] close(11 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] rmdir("./313" [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(16 [pid 1933] exit_group(0 [pid 312] umount2("./328/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1935] close(12 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1933] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(17 [pid 1933] +++ exited with 0 +++ [pid 312] newfstatat(AT_FDCWD, "./328/cgroup" [pid 309] mkdir("./314", 0777 [pid 1935] close(13 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(18 [pid 312] unlink("./328/cgroup" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... mkdir resumed>) = 0 [pid 1935] close(14 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(19 [pid 312] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1935] close(15 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(20 [pid 312] close(3 [pid 1935] close(16 [pid 312] <... close resumed>) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./328" [pid 1935] close(17 [pid 312] <... rmdir resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1936 attached [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./329", 0777 [pid 1936] set_robust_list(0x55555bb49760, 24 [pid 1935] close(18 [pid 1934] close(21 [pid 312] <... mkdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 316 [pid 1936] <... set_robust_list resumed>) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1936] rt_sigprocmask(SIG_SETMASK, [] [pid 1935] close(19 [pid 1934] close(22 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1936] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1937 attached [pid 1936] chdir("./314" [pid 1935] close(20 [pid 1934] close(23 [pid 1937] set_robust_list(0x55555bb49760, 24 [pid 1936] <... chdir resumed>) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 331 [pid 1937] <... set_robust_list resumed>) = 0 [pid 1936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1935] close(21 [pid 1934] close(24 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1937] rt_sigprocmask(SIG_SETMASK, [] [pid 1936] <... prctl resumed>) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1937] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1936] setpgid(0, 0 [pid 1935] close(22 [pid 1934] close(25 [pid 1937] chdir("./329" [pid 1936] <... setpgid resumed>) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1937] <... chdir resumed>) = 0 [pid 1936] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1935] close(23 [pid 1934] close(26 [pid 1937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1936] <... symlink resumed>) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1937] <... prctl resumed>) = 0 [pid 1936] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1935] close(24 [pid 1934] close(27 [pid 1937] setpgid(0, 0 [pid 1936] <... symlink resumed>) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1937] <... setpgid resumed>) = 0 [pid 1936] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1935] close(25 [pid 1937] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1936] <... symlink resumed>) = 0 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(28 [pid 1937] <... symlink resumed>) = 0 [pid 1936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1935] close(26 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1937] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1936] <... openat resumed>) = 3 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1934] close(29 [pid 1937] <... symlink resumed>) = 0 [pid 1936] write(3, "1000", 4 [pid 1935] close(27 [pid 1934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1937] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1936] <... write resumed>) = 4 [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1936] close(3 [pid 1934] exit_group(0 [pid 1937] <... symlink resumed>) = 0 [pid 1936] <... close resumed>) = 0 [pid 1935] close(28 [pid 1934] <... exit_group resumed>) = ? [pid 1937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1936] symlink("/dev/binderfs", "./binderfs" [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1936] <... symlink resumed>) = 0 [pid 1936] write(1, "executing program\n", 18) = 18 [pid 1936] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1936] mount(NULL, "./config", "configfs", 0, NULL [pid 1934] +++ exited with 0 +++ [pid 1936] <... mount resumed>) = 0 [pid 1935] close(29 [pid 311] <... restart_syscall resumed>) = 0 [pid 1937] <... openat resumed>) = 3 [pid 1936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1936] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1936] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1937] write(3, "1000", 4 [pid 1936] <... unlinkat resumed>) = 0 [pid 1935] exit_group(0 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1937] <... write resumed>) = 4 [pid 1936] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1935] <... exit_group resumed>) = ? [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1937] close(3 [pid 1936] <... unlinkat resumed>) = 0 [pid 1936] close(3) = -1 EBADF (Bad file descriptor) [pid 1936] close(4) = -1 EBADF (Bad file descriptor) [pid 1936] close(5) = -1 EBADF (Bad file descriptor) [pid 1936] close(6) = -1 EBADF (Bad file descriptor) [pid 1936] close(7) = -1 EBADF (Bad file descriptor) [pid 1936] close(8) = -1 EBADF (Bad file descriptor) [pid 1935] +++ exited with 0 +++ [pid 1936] close(9 [pid 1937] <... close resumed>) = 0 [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 311] umount2("./322", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1937] symlink("/dev/binderfs", "./binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1936] close(10 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1937] <... symlink resumed>) = 0 [pid 1936] close(11 [pid 311] openat(AT_FDCWD, "./322", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1937] write(1, "executing program\n", 18 [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1937] <... write resumed>) = 18 [pid 1936] close(12 [pid 311] <... openat resumed>) = 3 [pid 1937] mkdirat(AT_FDCWD, "./config", 0777 [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1936] close(13 [pid 311] fstat(3 [pid 1937] <... mkdirat resumed>) = 0 [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1937] mount(NULL, "./config", "configfs", 0, NULL [pid 1936] close(14) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1937] <... mount resumed>) = 0 [pid 1936] close(15 [pid 1937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1936] close(16 [pid 311] umount2("./322/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1936] close(17 [pid 311] <... umount2 resumed>) = 0 [pid 1937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./322/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1936] close(18) = -1 EBADF (Bad file descriptor) [pid 1936] close(19 [pid 1937] <... mkdirat resumed>) = 0 [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1937] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1936] close(20) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./322/config" [pid 1937] <... symlinkat resumed>) = 0 [pid 1936] close(21 [pid 1937] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1937] <... unlinkat resumed>) = 0 [pid 1936] close(22 [pid 1937] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... restart_syscall resumed>) = 0 [pid 311] umount2("./322/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1936] close(23 [pid 1937] <... unlinkat resumed>) = 0 [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1937] close(3 [pid 1936] close(24) = -1 EBADF (Bad file descriptor) [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./322/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1937] close(4 [pid 1936] close(25 [pid 313] umount2("./333", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 1937] close(5 [pid 1936] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(4 [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./333", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1937] close(6 [pid 1936] close(27 [pid 313] <... openat resumed>) = 3 [pid 311] getdents64(4 [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1937] close(7 [pid 1936] close(28 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 1937] close(8 [pid 1936] close(29 [pid 313] getdents64(3 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] close(4 [pid 1937] close(9 [pid 1936] exit_group(0 [pid 313] umount2("./333/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1936] <... exit_group resumed>) = ? [pid 311] <... close resumed>) = 0 [pid 1937] close(10 [pid 1936] +++ exited with 0 +++ [pid 313] <... umount2 resumed>) = 0 [pid 311] rmdir("./322/config" [pid 310] <... restart_syscall resumed>) = 0 [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./333/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1937] close(11 [pid 311] <... rmdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1937] close(12 [pid 310] umount2("./320", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./333/config" [pid 1937] close(13 [pid 311] umount2("./322/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1937] close(14 [pid 313] umount2("./333/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./322/binderfs" [pid 310] openat(AT_FDCWD, "./320", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1937] close(15 [pid 313] openat(AT_FDCWD, "./333/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] unlink("./322/binderfs" [pid 310] <... openat resumed>) = 3 [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 1937] close(16 [pid 313] fstat(4 [pid 311] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] umount2("./322/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1937] close(17 [pid 313] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1937] close(18 [pid 313] getdents64(4 [pid 311] newfstatat(AT_FDCWD, "./322/cgroup.net" [pid 310] getdents64(3 [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1937] close(19 [pid 313] close(4 [pid 311] unlink("./322/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./320/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1937] close(20 [pid 313] rmdir("./333/config" [pid 311] umount2("./322/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1937] close(21 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./333/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./322/cgroup.cpu" [pid 310] <... umount2 resumed>) = 0 [pid 1937] close(22 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./320/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./333/binderfs" [pid 311] unlink("./322/cgroup.cpu" [pid 1937] close(23 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./333/binderfs" [pid 311] umount2("./322/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./320/config" [pid 1937] close(24 [pid 313] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./333/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./322/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1937] close(25 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./320/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./333/cgroup.net" [pid 311] unlink("./322/cgroup" [pid 1937] close(26 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./333/cgroup.net" [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./320/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1937] close(27 [pid 313] <... unlink resumed>) = 0 [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 311] getdents64(3 [pid 1937] close(28 [pid 313] umount2("./333/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] fstat(4 [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1937] close(29 [pid 313] newfstatat(AT_FDCWD, "./333/cgroup.cpu" [pid 1937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 1937] exit_group(0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] rmdir("./322" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1937] <... exit_group resumed>) = ? [pid 313] unlink("./333/cgroup.cpu" [pid 311] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 1937] +++ exited with 0 +++ [pid 313] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 313] umount2("./333/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] mkdir("./323", 0777 [pid 310] close(4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... mkdir resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./333/cgroup" [pid 310] <... close resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./320/config" [pid 313] unlink("./333/cgroup" [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 313] <... unlink resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] getdents64(3 [pid 310] umount2("./320/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1938 attached [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1938] set_robust_list(0x55555bb49760, 24 [pid 313] close(3 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 325 [pid 310] newfstatat(AT_FDCWD, "./320/binderfs" [pid 1938] <... set_robust_list resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 1938] rt_sigprocmask(SIG_SETMASK, [] [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] rmdir("./333" [pid 1938] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./320/binderfs" [pid 1938] chdir("./323" [pid 313] <... rmdir resumed>) = 0 [pid 1938] <... chdir resumed>) = 0 [pid 313] mkdir("./334", 0777 [pid 310] <... unlink resumed>) = 0 [pid 1938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1938] setpgid(0, 0 [pid 313] <... mkdir resumed>) = 0 [pid 310] umount2("./320/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1938] <... setpgid resumed>) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1938] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1938] <... symlink resumed>) = 0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./320/cgroup.net" [pid 309] <... restart_syscall resumed>) = 0 [pid 1938] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 1938] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 ci2-android-5-15/strace-static-x86_64: Process 1939 attached [pid 1938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1939] set_robust_list(0x55555bb49760, 24 [pid 1938] <... openat resumed>) = 3 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 336 [pid 310] unlink("./320/cgroup.net" [pid 1939] <... set_robust_list resumed>) = 0 [pid 1938] write(3, "1000", 4 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... restart_syscall resumed>) = 0 [pid 1938] <... write resumed>) = 4 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1939] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 1939] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1938] close(3 [pid 310] umount2("./320/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./314", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1939] chdir("./334" [pid 1938] <... close resumed>) = 0 [pid 1939] <... chdir resumed>) = 0 [pid 1938] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1938] <... symlink resumed>) = 0 [pid 312] umount2("./329", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./320/cgroup.cpu" [pid 309] openat(AT_FDCWD, "./314", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1939] <... prctl resumed>) = 0 [pid 1938] write(1, "executing program\n", 18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1939] setpgid(0, 0 [pid 1938] <... write resumed>) = 18 [pid 312] openat(AT_FDCWD, "./329", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./320/cgroup.cpu" [pid 309] <... openat resumed>) = 3 [pid 1939] <... setpgid resumed>) = 0 [pid 1938] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... openat resumed>) = 3 [pid 1939] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1938] <... mkdirat resumed>) = 0 [pid 312] fstat(3 [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 1939] <... symlink resumed>) = 0 [pid 1938] mount(NULL, "./config", "configfs", 0, NULL [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1939] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1938] <... mount resumed>) = 0 [pid 310] umount2("./320/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 312] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1939] <... symlink resumed>) = 0 [pid 1938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] newfstatat(AT_FDCWD, "./320/cgroup" [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1939] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1938] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] umount2("./329/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1939] <... symlink resumed>) = 0 [pid 1938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] unlink("./320/cgroup" [pid 1939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1938] <... mkdirat resumed>) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1939] <... openat resumed>) = 3 [pid 1938] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 312] umount2("./329/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1939] write(3, "1000", 4 [pid 1938] <... symlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1939] <... write resumed>) = 4 [pid 1938] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 312] newfstatat(AT_FDCWD, "./329/config" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./314/config" [pid 1939] close(3 [pid 1938] <... unlinkat resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1939] <... close resumed>) = 0 [pid 1938] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] umount2("./329/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] umount2("./314/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1939] symlink("/dev/binderfs", "./binderfs" [pid 1938] <... unlinkat resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./320" [pid 1939] <... symlink resumed>) = 0 [pid 1938] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1939] write(1, "executing program\n", 18 [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./329/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./314/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1939] <... write resumed>) = 18 [pid 1938] close(4 executing program [pid 312] <... openat resumed>) = 4 [pid 1939] mkdirat(AT_FDCWD, "./config", 0777 [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] mkdir("./321", 0777 [pid 309] <... openat resumed>) = 4 [pid 1939] <... mkdirat resumed>) = 0 [pid 1938] close(5 [pid 312] fstat(4 [pid 1939] mount(NULL, "./config", "configfs", 0, NULL [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(4 [pid 1939] <... mount resumed>) = 0 [pid 1938] close(6 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 1939] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1938] close(7 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1938] close(8) = -1 EBADF (Bad file descriptor) [pid 1938] close(9) = -1 EBADF (Bad file descriptor) [pid 1938] close(10) = -1 EBADF (Bad file descriptor) [pid 1938] close(11ci2-android-5-15/strace-static-x86_64: Process 1940 attached [pid 1939] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 1940] set_robust_list(0x55555bb49760, 24 [pid 1939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1938] close(12 [pid 312] close(4 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 323 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1940] <... set_robust_list resumed>) = 0 [pid 1939] <... mkdirat resumed>) = 0 [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1940] rt_sigprocmask(SIG_SETMASK, [] [pid 1939] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1938] close(13 [pid 312] rmdir("./329/config" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(4 [pid 1940] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1939] <... symlinkat resumed>) = 0 [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1940] chdir("./321" [pid 1939] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1938] close(14 [pid 312] umount2("./329/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 1940] <... chdir resumed>) = 0 [pid 1939] <... unlinkat resumed>) = 0 [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./314/config" [pid 1940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1939] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1938] close(15 [pid 312] newfstatat(AT_FDCWD, "./329/binderfs" [pid 1940] <... prctl resumed>) = 0 [pid 1939] <... unlinkat resumed>) = 0 [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1940] setpgid(0, 0 [pid 1939] close(3 [pid 1938] close(16 [pid 312] unlink("./329/binderfs" [pid 309] umount2("./314/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1940] <... setpgid resumed>) = 0 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1940] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1939] close(4 [pid 1938] close(17 [pid 312] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1940] <... symlink resumed>) = 0 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./329/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./314/binderfs" [pid 1940] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1939] close(5 [pid 1938] close(18 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1940] <... symlink resumed>) = 0 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] newfstatat(AT_FDCWD, "./329/cgroup.net" [pid 1940] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1939] close(6 [pid 1938] close(19 [pid 309] unlink("./314/binderfs" [pid 1940] <... symlink resumed>) = 0 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1939] close(7 [pid 1938] close(20 [pid 312] unlink("./329/cgroup.net" [pid 309] <... unlink resumed>) = 0 [pid 1940] <... openat resumed>) = 3 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1940] write(3, "1000", 4 [pid 1939] close(8 [pid 1938] close(21 [pid 312] <... unlink resumed>) = 0 [pid 309] umount2("./314/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1940] <... write resumed>) = 4 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./329/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1940] close(3 [pid 1939] close(9 [pid 1938] close(22 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1940] <... close resumed>) = 0 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1940] symlink("/dev/binderfs", "./binderfs" [pid 1939] close(10 [pid 1938] close(23 [pid 309] newfstatat(AT_FDCWD, "./314/cgroup.net" [pid 1940] <... symlink resumed>) = 0 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./329/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1940] write(1, "executing program\n", 18 [pid 1939] close(11 [pid 1938] close(24 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1940] <... write resumed>) = 18 executing program [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./329/cgroup.cpu" [pid 309] unlink("./314/cgroup.net" [pid 1940] mkdirat(AT_FDCWD, "./config", 0777 [pid 1939] close(12 [pid 1938] close(25 [pid 1940] <... mkdirat resumed>) = 0 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1940] mount(NULL, "./config", "configfs", 0, NULL [pid 1939] close(13 [pid 1938] close(26 [pid 312] umount2("./329/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./314/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1940] <... mount resumed>) = 0 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1939] close(14 [pid 1938] close(27 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1940] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./329/cgroup" [pid 309] newfstatat(AT_FDCWD, "./314/cgroup.cpu" [pid 1940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1939] close(15 [pid 1938] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1940] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./329/cgroup" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1939] close(16 [pid 1938] close(29 [pid 1940] <... mkdirat resumed>) = 0 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 309] unlink("./314/cgroup.cpu" [pid 1940] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1939] close(17 [pid 1938] exit_group(0 [pid 312] getdents64(3 [pid 1940] <... symlinkat resumed>) = 0 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1938] <... exit_group resumed>) = ? [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1940] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1939] close(18 [pid 1938] +++ exited with 0 +++ [pid 312] close(3 [pid 309] umount2("./314/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1940] <... unlinkat resumed>) = 0 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 1940] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1939] close(19 [pid 312] rmdir("./329" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1940] <... unlinkat resumed>) = 0 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 1940] close(3 [pid 1939] close(20 [pid 312] mkdir("./330", 0777 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./314/cgroup" [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1940] close(4 [pid 312] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1939] close(21 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./314/cgroup" [pid 1940] close(5 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1939] close(22 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... unlink resumed>) = 0 [pid 1940] close(6 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1940] close(7) = -1 EBADF (Bad file descriptor) [pid 1940] close(8) = -1 EBADF (Bad file descriptor) [pid 1940] close(9) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1941 attached [pid 1940] close(10 [pid 1941] set_robust_list(0x55555bb49760, 24 [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1939] close(23 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 332 [pid 311] umount2("./323", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1941] <... set_robust_list resumed>) = 0 [pid 1940] close(11 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1941] rt_sigprocmask(SIG_SETMASK, [] [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1939] close(24 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1941] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1940] close(12 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./323", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1941] chdir("./330" [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1939] close(25 [pid 309] close(3 [pid 1941] <... chdir resumed>) = 0 [pid 1940] close(13 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 3 [pid 1941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1939] close(26 [pid 311] fstat(3 [pid 309] <... close resumed>) = 0 [pid 1941] <... prctl resumed>) = 0 [pid 1940] close(14 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] rmdir("./314" [pid 1941] setpgid(0, 0 [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1939] close(27 [pid 311] getdents64(3 [pid 1941] <... setpgid resumed>) = 0 [pid 1940] close(15 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... rmdir resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1941] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1939] close(28 [pid 311] umount2("./323/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./315", 0777 [pid 1941] <... symlink resumed>) = 0 [pid 1940] close(16 [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1941] <... symlink resumed>) = 0 [pid 1940] close(17 [pid 1939] close(29 [pid 311] umount2("./323/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1941] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1941] <... symlink resumed>) = 0 [pid 1940] close(18 [pid 1941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] <... openat resumed>) = 3 [pid 1940] close(19 [pid 1939] exit_group(0 executing program [pid 311] newfstatat(AT_FDCWD, "./323/config" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1941] write(3, "1000", 4 [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1939] <... exit_group resumed>) = ? [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1941] <... write resumed>) = 4 [pid 1940] close(20 [pid 1941] close(3 [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1942 attached [pid 1941] <... close resumed>) = 0 [pid 1940] close(21 [pid 1941] symlink("/dev/binderfs", "./binderfs" [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] <... symlink resumed>) = 0 [pid 1940] close(22 [pid 1941] write(1, "executing program\n", 18 [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] <... write resumed>) = 18 [pid 1940] close(23 [pid 1941] mkdirat(AT_FDCWD, "./config", 0777 [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1939] +++ exited with 0 +++ [pid 311] umount2("./323/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1942] set_robust_list(0x55555bb49760, 24 [pid 1941] <... mkdirat resumed>) = 0 [pid 1940] close(24 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 317 [pid 1942] <... set_robust_list resumed>) = 0 [pid 1941] mount(NULL, "./config", "configfs", 0, NULL [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1942] rt_sigprocmask(SIG_SETMASK, [] [pid 1941] <... mount resumed>) = 0 [pid 1940] close(25 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1942] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] openat(AT_FDCWD, "./323/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1942] chdir("./315" [pid 1941] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1940] close(26 [pid 1942] <... chdir resumed>) = 0 [pid 1941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 1942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1941] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1940] close(27 [pid 311] fstat(4 [pid 1942] <... prctl resumed>) = 0 [pid 1941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1942] setpgid(0, 0 [pid 1941] <... mkdirat resumed>) = 0 [pid 1940] close(28 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1942] <... setpgid resumed>) = 0 [pid 1941] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1942] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1941] <... symlinkat resumed>) = 0 [pid 1940] close(29 [pid 311] getdents64(4 [pid 1942] <... symlink resumed>) = 0 [pid 1941] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1942] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1941] <... unlinkat resumed>) = 0 [pid 1940] exit_group(0 [pid 311] getdents64(4 [pid 1942] <... symlink resumed>) = 0 [pid 1941] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1940] <... exit_group resumed>) = ? [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1942] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1941] <... unlinkat resumed>) = 0 [pid 1940] +++ exited with 0 +++ [pid 311] close(4 [pid 1941] close(3 [pid 1942] <... symlink resumed>) = 0 [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1941] close(4 [pid 311] rmdir("./323/config" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1942] <... openat resumed>) = 3 [pid 1941] close(5 [pid 311] <... rmdir resumed>) = 0 [pid 1942] write(3, "1000", 4 [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./323/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1942] <... write resumed>) = 4 [pid 1941] close(6 [pid 1942] close(3 [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 1942] <... close resumed>) = 0 [pid 1941] close(7 [pid 311] newfstatat(AT_FDCWD, "./323/binderfs" [pid 1942] symlink("/dev/binderfs", "./binderfs" [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] close(8 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1942] <... symlink resumed>) = 0 [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1942] write(1, "executing program\n", 18 [pid 1941] close(9 [pid 311] unlink("./323/binderfs" [pid 310] umount2("./321", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1942] <... write resumed>) = 18 [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1941] close(10 [pid 311] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1942] mkdirat(AT_FDCWD, "./config", 0777 [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] close(11 [pid 311] umount2("./323/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./321", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1942] <... mkdirat resumed>) = 0 [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1942] mount(NULL, "./config", "configfs", 0, NULL [pid 1941] close(12 [pid 311] newfstatat(AT_FDCWD, "./323/cgroup.net" [pid 310] <... openat resumed>) = 3 [pid 1942] <... mount resumed>) = 0 [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 1942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1941] close(13 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] unlink("./323/cgroup.net" [pid 1942] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1941] close(14 [pid 311] <... unlink resumed>) = 0 [pid 1942] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./323/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 1942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1941] close(15 [pid 313] umount2("./334", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1941] close(16 [pid 1942] <... mkdirat resumed>) = 0 [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1942] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./323/cgroup.cpu" [pid 310] umount2("./321/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1941] close(17 [pid 1942] <... symlinkat resumed>) = 0 [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] close(18 [pid 313] openat(AT_FDCWD, "./334", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1942] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 311] unlink("./323/cgroup.cpu" [pid 310] <... umount2 resumed>) = 0 [pid 1942] <... unlinkat resumed>) = 0 [pid 1941] close(19 [pid 313] fstat(3 [pid 1942] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./321/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1941] close(20 [pid 1942] <... unlinkat resumed>) = 0 [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 311] umount2("./323/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1942] close(3 [pid 1941] close(21 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./321/config" [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./334/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./323/cgroup" [pid 1942] close(4 [pid 1941] close(22 [pid 313] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./334/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./321/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1942] close(5 [pid 1941] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./323/cgroup" [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./334/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1942] close(6 [pid 1941] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./321/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./334/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] getdents64(3 [pid 1942] close(7 [pid 1941] close(25 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 4 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./334/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] close(3 [pid 310] fstat(4 [pid 1942] close(8 [pid 1941] close(26 [pid 313] <... openat resumed>) = 4 [pid 311] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 311] rmdir("./323" [pid 310] getdents64(4 [pid 1942] close(9 [pid 1941] close(27 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] getdents64(4 [pid 1942] close(10 [pid 1941] close(28 [pid 311] mkdir("./324", 0777 [pid 310] getdents64(4 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1942] close(11 [pid 1941] close(29 [pid 313] getdents64(4 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(4 [pid 1942] close(12 [pid 1941] exit_group(0) = ? [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1941] +++ exited with 0 +++ [pid 313] close(4 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... close resumed>) = 0 [pid 1942] close(13 [pid 313] <... close resumed>) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./321/config" [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./334/config" [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 1943 attached [pid 1943] set_robust_list(0x55555bb49760, 24 [pid 1942] close(14 [pid 313] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1943] <... set_robust_list resumed>) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./334/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 326 [pid 1943] rt_sigprocmask(SIG_SETMASK, [] [pid 1942] close(15 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./321/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./334/binderfs" [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 1943] chdir("./324" [pid 1942] close(16 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1943] <... chdir resumed>) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./334/binderfs" [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./321/binderfs" [pid 1943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1942] close(17 [pid 313] <... unlink resumed>) = 0 [pid 1943] <... prctl resumed>) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./334/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1943] setpgid(0, 0 [pid 1942] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./321/binderfs" [pid 1943] <... setpgid resumed>) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./334/cgroup.net" [pid 1943] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1942] close(19 [pid 310] <... unlink resumed>) = 0 [pid 1943] <... symlink resumed>) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./321/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1943] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1942] close(20 [pid 313] unlink("./334/cgroup.net" [pid 1943] <... symlink resumed>) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1943] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1942] close(21 [pid 313] <... unlink resumed>) = 0 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./321/cgroup.net" [pid 1943] <... symlink resumed>) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./334/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1942] close(22 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1943] <... openat resumed>) = 3 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1943] write(3, "1000", 4 [pid 1942] close(23 [pid 313] newfstatat(AT_FDCWD, "./334/cgroup.cpu" [pid 310] unlink("./321/cgroup.net" [pid 1943] <... write resumed>) = 4 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] umount2("./330", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1943] close(3 [pid 1942] close(24 [pid 313] unlink("./334/cgroup.cpu" [pid 310] <... unlink resumed>) = 0 [pid 1943] <... close resumed>) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1943] symlink("/dev/binderfs", "./binderfs" [pid 1942] close(25 [pid 313] <... unlink resumed>) = 0 [pid 312] openat(AT_FDCWD, "./330", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./321/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1943] <... symlink resumed>) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./334/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... openat resumed>) = 3 [pid 1943] write(1, "executing program\n", 18 [pid 1942] close(26 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1943] <... write resumed>) = 18 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./334/cgroup" [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./321/cgroup.cpu" [pid 1943] mkdirat(AT_FDCWD, "./config", 0777 [pid 1942] close(27 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] getdents64(3 [pid 1943] <... mkdirat resumed>) = 0 executing program [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./334/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1943] mount(NULL, "./config", "configfs", 0, NULL [pid 1942] close(28 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1943] <... mount resumed>) = 0 [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 312] umount2("./330/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./321/cgroup.cpu" [pid 1943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1942] close(29 [pid 313] getdents64(3 [pid 1943] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] <... umount2 resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1942] exit_group(0 [pid 1943] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] close(3 [pid 312] umount2("./330/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./321/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1942] <... exit_group resumed>) = ? [pid 313] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1943] <... mkdirat resumed>) = 0 [pid 1943] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1943] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 1943] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1942] +++ exited with 0 +++ [pid 1943] <... unlinkat resumed>) = 0 [pid 313] rmdir("./334" [pid 312] newfstatat(AT_FDCWD, "./330/config" [pid 310] newfstatat(AT_FDCWD, "./321/cgroup" [pid 1943] close(3 [pid 313] <... rmdir resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./335", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 312] umount2("./330/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1943] close(4 [pid 313] <... mkdir resumed>) = 0 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./321/cgroup" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1943] close(5 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] openat(AT_FDCWD, "./330/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 [pid 1943] close(6 [pid 312] <... openat resumed>) = 4 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1943] close(7) = -1 EBADF (Bad file descriptor) [pid 1943] close(8) = -1 EBADF (Bad file descriptor) [pid 1943] close(9) = -1 EBADF (Bad file descriptor) [pid 1943] close(10ci2-android-5-15/strace-static-x86_64: Process 1944 attached ) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 310] getdents64(3 [pid 1944] set_robust_list(0x55555bb49760, 24 [pid 1943] close(11 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 337 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1944] <... set_robust_list resumed>) = 0 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] getdents64(4 [pid 310] close(3 [pid 1944] rt_sigprocmask(SIG_SETMASK, [] [pid 1943] close(12 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] <... restart_syscall resumed>) = 0 [pid 1944] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 1944] chdir("./335" [pid 1943] close(13 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./321" [pid 1944] <... chdir resumed>) = 0 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1943] close(14 [pid 310] <... rmdir resumed>) = 0 [pid 1944] <... prctl resumed>) = 0 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 310] mkdir("./322", 0777 [pid 309] umount2("./315", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1944] setpgid(0, 0 [pid 1943] close(15 [pid 312] rmdir("./330/config" [pid 1944] <... setpgid resumed>) = 0 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1944] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1943] close(16 [pid 312] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./315", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1944] <... symlink resumed>) = 0 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./330/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1944] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1943] close(17 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 3 [pid 1944] <... symlink resumed>) = 0 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./330/binderfs" [pid 1944] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 1944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 1945 attached ) = 3 [pid 1943] close(18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 1945] set_robust_list(0x55555bb49760, 24 [pid 1944] write(3, "1000", 4 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./330/binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 324 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1945] <... set_robust_list resumed>) = 0 [pid 1944] <... write resumed>) = 4 [pid 1943] close(19 [pid 312] <... unlink resumed>) = 0 [pid 1945] rt_sigprocmask(SIG_SETMASK, [] [pid 1944] close(3 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./330/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 1945] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1944] <... close resumed>) = 0 [pid 1943] close(20 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1945] chdir("./322" [pid 1944] symlink("/dev/binderfs", "./binderfs" [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./330/cgroup.net" [pid 309] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1945] <... chdir resumed>) = 0 [pid 1944] <... symlink resumed>) = 0 [pid 1943] close(21 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1944] write(1, "executing program\n", 18 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = 0 executing program [pid 1945] <... prctl resumed>) = 0 [pid 1944] <... write resumed>) = 18 [pid 1943] close(22 [pid 312] unlink("./330/cgroup.net" [pid 309] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1945] setpgid(0, 0 [pid 1944] mkdirat(AT_FDCWD, "./config", 0777 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1945] <... setpgid resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1945] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1944] <... mkdirat resumed>) = 0 [pid 1943] close(23 [pid 312] umount2("./330/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./315/config" [pid 1945] <... symlink resumed>) = 0 [pid 1944] mount(NULL, "./config", "configfs", 0, NULL [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1945] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1944] <... mount resumed>) = 0 [pid 1943] close(24 [pid 312] newfstatat(AT_FDCWD, "./330/cgroup.cpu" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1945] <... symlink resumed>) = 0 [pid 1945] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 1944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1944] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1943] close(25 [pid 309] umount2("./315/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1945] <... openat resumed>) = 3 [pid 1944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./330/cgroup.cpu" [pid 1945] write(3, "1000", 4 [pid 1944] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1943] close(26 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1945] <... write resumed>) = 4 [pid 1944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1945] close(3 [pid 309] openat(AT_FDCWD, "./315/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1945] <... close resumed>) = 0 [pid 1944] <... mkdirat resumed>) = 0 [pid 1943] close(27 [pid 312] umount2("./330/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1945] symlink("/dev/binderfs", "./binderfs" [pid 1944] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... openat resumed>) = 4 [pid 1945] <... symlink resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1945] write(1, "executing program\n", 18 [pid 1944] <... symlinkat resumed>) = 0 [pid 1943] close(28 [pid 309] fstat(4 [pid 312] newfstatat(AT_FDCWD, "./330/cgroup" [pid 1945] <... write resumed>) = 18 executing program [pid 1944] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1945] mkdirat(AT_FDCWD, "./config", 0777 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1945] <... mkdirat resumed>) = 0 [pid 1944] <... unlinkat resumed>) = 0 [pid 1943] close(29 [pid 312] unlink("./330/cgroup" [pid 309] getdents64(4 [pid 1945] mount(NULL, "./config", "configfs", 0, NULL [pid 1944] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1945] <... mount resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1944] <... unlinkat resumed>) = 0 [pid 1945] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1943] exit_group(0 [pid 1944] close(3 [pid 312] getdents64(3 [pid 309] getdents64(4 [pid 1945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1943] <... exit_group resumed>) = ? [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1945] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1944] close(4 [pid 1945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1945] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1943] +++ exited with 0 +++ [pid 1945] <... symlinkat resumed>) = 0 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 309] close(4 [pid 1945] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1944] close(5 [pid 312] <... close resumed>) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 1945] <... unlinkat resumed>) = 0 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./330" [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./315/config" [pid 1945] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1944] close(6 [pid 312] <... rmdir resumed>) = 0 [pid 1945] <... unlinkat resumed>) = 0 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./331", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 1945] close(3 [pid 1944] close(7 [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... mkdir resumed>) = 0 [pid 309] umount2("./315/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1945] close(4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(8 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1945] close(5 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./315/binderfs" [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(9 [pid 1945] close(6) = -1 EBADF (Bad file descriptor) [pid 1945] close(7) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1946 attached [pid 1945] close(8 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1946] set_robust_list(0x55555bb49760, 24 [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(10 [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 333 [pid 1946] <... set_robust_list resumed>) = 0 [pid 1945] close(9 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] unlink("./315/binderfs" [pid 1946] rt_sigprocmask(SIG_SETMASK, [] [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1946] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1945] close(10 [pid 1946] chdir("./331" [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(11 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 1946] <... chdir resumed>) = 0 [pid 1945] close(11 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 309] umount2("./315/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(12 [pid 1946] <... prctl resumed>) = 0 [pid 1945] close(12 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1946] setpgid(0, 0 [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(13 [pid 309] newfstatat(AT_FDCWD, "./315/cgroup.net" [pid 1946] <... setpgid resumed>) = 0 [pid 1945] close(13 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./324", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1946] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(14 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1946] <... symlink resumed>) = 0 [pid 1945] close(14 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./315/cgroup.net" [pid 1946] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(15 [pid 311] openat(AT_FDCWD, "./324", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 1946] <... symlink resumed>) = 0 [pid 1945] close(15 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1946] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(16 [pid 311] <... openat resumed>) = 3 [pid 309] umount2("./315/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1946] <... symlink resumed>) = 0 [pid 1945] close(16 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 1946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(17 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1946] <... openat resumed>) = 3 [pid 1945] close(17 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1946] write(3, "1000", 4 [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(18 [pid 311] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./315/cgroup.cpu" [pid 1946] <... write resumed>) = 4 [pid 1945] close(18 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1946] close(3 [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(19 [pid 311] umount2("./324/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1946] <... close resumed>) = 0 [pid 1945] close(19 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1946] symlink("/dev/binderfs", "./binderfs" [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(20 [pid 311] <... umount2 resumed>) = 0 [pid 309] unlink("./315/cgroup.cpu" [pid 1946] <... symlink resumed>) = 0 [pid 1945] close(20 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./324/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 executing program [pid 1946] write(1, "executing program\n", 18 [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(21 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./315/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1946] <... write resumed>) = 18 [pid 1945] close(21 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./324/config" [pid 1946] mkdirat(AT_FDCWD, "./config", 0777 [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(22 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1946] <... mkdirat resumed>) = 0 [pid 1945] close(22 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./315/cgroup" [pid 1946] mount(NULL, "./config", "configfs", 0, NULL [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(23 [pid 311] umount2("./324/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1946] <... mount resumed>) = 0 [pid 1945] close(23 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(24 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./315/cgroup" [pid 1946] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1945] close(24 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] openat(AT_FDCWD, "./324/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(25 [pid 309] <... unlink resumed>) = 0 [pid 1946] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1945] close(25 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 1946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(26 [pid 311] fstat(4 [pid 309] getdents64(3 [pid 1946] <... mkdirat resumed>) = 0 [pid 1945] close(26 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1946] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(27 [pid 311] getdents64(4 [pid 309] close(3 [pid 1946] <... symlinkat resumed>) = 0 [pid 1945] close(27 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1946] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(28 [pid 311] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 1946] <... unlinkat resumed>) = 0 [pid 1945] close(28 [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./315" [pid 1946] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] close(29 [pid 311] close(4 [pid 1945] close(29 [pid 309] <... rmdir resumed>) = 0 [pid 1946] <... unlinkat resumed>) = 0 [pid 1945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 309] mkdir("./316", 0777 [pid 1946] close(3 [pid 1945] exit_group(0) = ? [pid 1944] exit_group(0 [pid 311] rmdir("./324/config" [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1945] +++ exited with 0 +++ [pid 1944] <... exit_group resumed>) = ? [pid 309] <... mkdir resumed>) = 0 [pid 311] <... rmdir resumed>) = 0 [pid 1946] close(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1944] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./324/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1946] close(5 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1946] close(6 [pid 311] newfstatat(AT_FDCWD, "./324/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1947 attached [pid 1946] close(7 [pid 311] unlink("./324/binderfs" [pid 1947] set_robust_list(0x55555bb49760, 24 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1947] <... set_robust_list resumed>) = 0 [pid 1946] close(8 [pid 311] <... unlink resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 318 [pid 1947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./324/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1947] chdir("./316" [pid 1946] close(9 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1947] <... chdir resumed>) = 0 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./324/cgroup.net" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1946] close(10 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 1947] <... prctl resumed>) = 0 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./324/cgroup.net" [pid 1947] setpgid(0, 0 [pid 1946] close(11 [pid 311] <... unlink resumed>) = 0 [pid 1947] <... setpgid resumed>) = 0 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./324/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./322", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1947] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1946] close(12 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1947] <... symlink resumed>) = 0 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./324/cgroup.cpu" [pid 310] openat(AT_FDCWD, "./322", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1947] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1946] close(13 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 1947] <... symlink resumed>) = 0 [pid 310] fstat(3 [pid 1947] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./324/cgroup.cpu" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1947] <... symlink resumed>) = 0 [pid 1946] close(14 [pid 310] getdents64(3 [pid 311] <... unlink resumed>) = 0 [pid 1947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./324/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1947] <... openat resumed>) = 3 [pid 1946] close(15 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./322/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1947] write(3, "1000", 4 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./324/cgroup" [pid 1947] <... write resumed>) = 4 [pid 1946] close(16 [pid 310] <... umount2 resumed>) = 0 [pid 1947] close(3 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./322/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1947] <... close resumed>) = 0 [pid 1946] close(17 [pid 311] unlink("./324/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1947] symlink("/dev/binderfs", "./binderfs" [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./322/config" [pid 1947] <... symlink resumed>) = 0 [pid 1946] close(18 [pid 311] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1947] write(1, "executing program\n", 18 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 executing program [pid 310] umount2("./322/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1947] <... write resumed>) = 18 [pid 1946] close(19 [pid 311] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1947] mkdirat(AT_FDCWD, "./config", 0777 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./322/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1947] <... mkdirat resumed>) = 0 [pid 1946] close(20 [pid 311] rmdir("./324" [pid 310] <... openat resumed>) = 4 [pid 1947] mount(NULL, "./config", "configfs", 0, NULL [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] fstat(4 [pid 311] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1947] <... mount resumed>) = 0 [pid 1946] close(21 [pid 311] mkdir("./325", 0777 [pid 310] getdents64(4 [pid 1947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1946] close(22 [pid 311] <... mkdir resumed>) = 0 [pid 310] getdents64(4 [pid 1947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1946] close(23 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] close(4 [pid 1947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./322/config" [pid 1947] <... mkdirat resumed>) = 0 [pid 1946] close(24 [pid 310] <... rmdir resumed>) = 0 [pid 310] umount2("./322/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./322/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./322/binderfs") = 0 ci2-android-5-15/strace-static-x86_64: Process 1948 attached [pid 1947] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./322/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1948] set_robust_list(0x55555bb49760, 24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1948] <... set_robust_list resumed>) = 0 [pid 1947] <... symlinkat resumed>) = 0 [pid 1946] close(25 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 327 [pid 310] newfstatat(AT_FDCWD, "./322/cgroup.net" [pid 1948] rt_sigprocmask(SIG_SETMASK, [] [pid 1947] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1948] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1947] <... unlinkat resumed>) = 0 [pid 1946] close(26 [pid 310] unlink("./322/cgroup.net" [pid 1948] chdir("./325" [pid 1947] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1948] <... chdir resumed>) = 0 [pid 1947] <... unlinkat resumed>) = 0 [pid 1946] close(27 [pid 313] umount2("./335", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./322/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1947] close(3 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1948] <... prctl resumed>) = 0 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1946] close(28 [pid 313] openat(AT_FDCWD, "./335", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./322/cgroup.cpu" [pid 1948] setpgid(0, 0 [pid 1947] close(4 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1948] <... setpgid resumed>) = 0 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1946] close(29 [pid 313] fstat(3 [pid 310] unlink("./322/cgroup.cpu" [pid 1948] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1947] close(5 [pid 1946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1948] <... symlink resumed>) = 0 [pid 310] umount2("./322/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1948] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1948] <... symlink resumed>) = 0 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1946] exit_group(0 [pid 313] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./322/cgroup" [pid 1948] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1947] close(6 [pid 1946] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1948] <... symlink resumed>) = 0 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] unlink("./322/cgroup" [pid 1948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 1948] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 1946] +++ exited with 0 +++ [pid 1948] write(3, "1000", 4 [pid 1947] close(7 [pid 313] umount2("./335/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1948] <... write resumed>) = 4 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(3 [pid 313] <... umount2 resumed>) = 0 [pid 1948] close(3 [pid 1947] close(8 [pid 313] umount2("./335/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... close resumed>) = 0 [pid 1948] <... close resumed>) = 0 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./322" [pid 1948] symlink("/dev/binderfs", "./binderfs" [pid 1947] close(9 [pid 313] newfstatat(AT_FDCWD, "./335/config" [pid 310] <... rmdir resumed>) = 0 [pid 1948] <... symlink resumed>) = 0 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./323", 0777 [pid 1948] write(1, "executing program\n", 18 executing program [pid 1947] close(10 [pid 313] umount2("./335/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 1948] <... write resumed>) = 18 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1948] mkdirat(AT_FDCWD, "./config", 0777 [pid 1947] close(11 [pid 313] openat(AT_FDCWD, "./335/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1948] <... mkdirat resumed>) = 0 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1949 attached [pid 1948] mount(NULL, "./config", "configfs", 0, NULL [pid 1947] close(12 [pid 313] fstat(4 [pid 1949] set_robust_list(0x55555bb49760, 24 [pid 1948] <... mount resumed>) = 0 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 325 [pid 1949] <... set_robust_list resumed>) = 0 [pid 1948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1947] close(13 [pid 313] getdents64(4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1949] rt_sigprocmask(SIG_SETMASK, [] [pid 1948] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1949] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1947] close(14 [pid 313] getdents64(4 [pid 1949] chdir("./323" [pid 1948] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1949] <... chdir resumed>) = 0 [pid 1948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1947] close(15 [pid 313] close(4 [pid 1949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1948] <... mkdirat resumed>) = 0 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1949] <... prctl resumed>) = 0 [pid 1948] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1947] close(16 [pid 313] <... close resumed>) = 0 [pid 1949] setpgid(0, 0 [pid 1948] <... symlinkat resumed>) = 0 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./335/config" [pid 1949] <... setpgid resumed>) = 0 [pid 1948] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1947] close(17 [pid 1949] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1948] <... unlinkat resumed>) = 0 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1949] <... symlink resumed>) = 0 [pid 1948] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1949] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1948] <... unlinkat resumed>) = 0 [pid 1947] close(18 [pid 313] umount2("./335/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1949] <... symlink resumed>) = 0 [pid 1948] close(3 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1949] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1947] close(19 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1949] <... symlink resumed>) = 0 [pid 1948] close(4 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./335/binderfs" [pid 1949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1948] close(5) = -1 EBADF (Bad file descriptor) [pid 1948] close(6 [pid 1947] close(20 [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1949] <... openat resumed>) = 3 [pid 1948] close(7 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./335/binderfs" [pid 1949] write(3, "1000", 4 [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1947] close(21 [pid 1949] <... write resumed>) = 4 [pid 1948] close(8 [pid 313] <... unlink resumed>) = 0 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1949] close(3 [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1949] <... close resumed>) = 0 [pid 1948] close(9 [pid 1947] close(22 [pid 313] umount2("./335/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1949] symlink("/dev/binderfs", "./binderfs" [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1948] close(10 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1949] <... symlink resumed>) = 0 [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1949] write(1, "executing program\n", 18 [pid 1947] close(23 executing program [pid 313] newfstatat(AT_FDCWD, "./335/cgroup.net" [pid 1949] <... write resumed>) = 18 [pid 1948] close(11 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1949] mkdirat(AT_FDCWD, "./config", 0777 [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1947] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1949] <... mkdirat resumed>) = 0 [pid 1948] close(12 [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./335/cgroup.net" [pid 1949] mount(NULL, "./config", "configfs", 0, NULL [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1947] close(25 [pid 1948] close(13 [pid 313] <... unlink resumed>) = 0 [pid 1949] <... mount resumed>) = 0 [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1948] close(14 [pid 1947] close(26 [pid 313] umount2("./335/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1949] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1948] close(15 [pid 1947] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1949] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./335/cgroup.cpu" [pid 1949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1948] close(16 [pid 1947] close(28 [pid 1949] <... mkdirat resumed>) = 0 [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1949] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1948] close(17 [pid 1947] close(29 [pid 313] unlink("./335/cgroup.cpu" [pid 1949] <... symlinkat resumed>) = 0 [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... restart_syscall resumed>) = 0 [pid 1949] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1948] close(18 [pid 313] <... unlink resumed>) = 0 [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1947] exit_group(0 [pid 1949] <... unlinkat resumed>) = 0 [pid 1948] close(19 [pid 1947] <... exit_group resumed>) = ? [pid 313] umount2("./335/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1949] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1948] close(20) = -1 EBADF (Bad file descriptor) [pid 1948] close(21) = -1 EBADF (Bad file descriptor) [pid 1948] close(22) = -1 EBADF (Bad file descriptor) [pid 1948] close(23) = -1 EBADF (Bad file descriptor) [pid 1948] close(24) = -1 EBADF (Bad file descriptor) [pid 1948] close(25 [pid 1947] +++ exited with 0 +++ [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] umount2("./331", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1948] close(26 [pid 1949] <... unlinkat resumed>) = 0 [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./335/cgroup" [pid 1949] close(3 [pid 1948] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] openat(AT_FDCWD, "./331", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1949] close(4 [pid 1948] close(28 [pid 313] unlink("./335/cgroup" [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 1949] close(5 [pid 1948] close(29 [pid 313] <... unlink resumed>) = 0 [pid 312] fstat(3 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1949] close(6 [pid 1948] exit_group(0 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1948] <... exit_group resumed>) = ? [pid 312] getdents64(3 [pid 1949] close(7 [pid 1948] +++ exited with 0 +++ [pid 313] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 312] umount2("./331/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1949] close(8 [pid 313] rmdir("./335" [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1949] close(9 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... umount2 resumed>) = 0 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] mkdir("./336", 0777 [pid 312] umount2("./331/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1949] close(10 [pid 313] <... mkdir resumed>) = 0 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1949] close(11 [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./331/config" [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1949] close(12 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1950 attached [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./331/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1950] set_robust_list(0x55555bb49760, 24 [pid 1949] close(13 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 338 [pid 1950] <... set_robust_list resumed>) = 0 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1950] rt_sigprocmask(SIG_SETMASK, [] [pid 1949] close(14 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] openat(AT_FDCWD, "./331/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1950] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1950] chdir("./336" [pid 1949] close(15 [pid 312] <... openat resumed>) = 4 [pid 1950] <... chdir resumed>) = 0 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 1950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1949] close(16 [pid 1950] <... prctl resumed>) = 0 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1950] setpgid(0, 0 [pid 1949] close(17 [pid 1950] <... setpgid resumed>) = 0 [pid 312] getdents64(4 [pid 1950] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1950] <... symlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1949] close(18 [pid 1950] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 1950] <... symlink resumed>) = 0 [pid 1949] close(19 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1950] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 1950] <... symlink resumed>) = 0 [pid 1949] close(20 [pid 1950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... close resumed>) = 0 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1950] <... openat resumed>) = 3 [pid 1949] close(21 [pid 312] rmdir("./331/config" [pid 1950] write(3, "1000", 4 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1950] <... write resumed>) = 4 [pid 312] <... rmdir resumed>) = 0 [pid 1949] close(22 [pid 1950] close(3 [pid 312] umount2("./331/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1950] <... close resumed>) = 0 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1950] symlink("/dev/binderfs", "./binderfs" [pid 1949] close(23 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1950] <... symlink resumed>) = 0 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1950] write(1, "executing program\n", 18 [pid 312] newfstatat(AT_FDCWD, "./331/binderfs" [pid 1949] close(24 [pid 1950] <... write resumed>) = 18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1950] mkdirat(AT_FDCWD, "./config", 0777 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./331/binderfs" [pid 311] <... restart_syscall resumed>) = 0 [pid 1950] <... mkdirat resumed>) = 0 [pid 1949] close(25 [pid 1950] mount(NULL, "./config", "configfs", 0, NULL [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 1950] <... mount resumed>) = 0 [pid 1949] close(26 [pid 312] umount2("./331/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1950] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1949] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./325", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./331/cgroup.net" [pid 1950] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1949] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1950] <... mkdirat resumed>) = 0 [pid 1949] close(29 [pid 312] unlink("./331/cgroup.net" [pid 311] openat(AT_FDCWD, "./325", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1950] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1950] <... symlinkat resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 1950] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1949] exit_group(0 [pid 312] umount2("./331/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] fstat(3 [pid 1950] <... unlinkat resumed>) = 0 [pid 1949] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1950] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1950] <... unlinkat resumed>) = 0 [pid 1950] close(3) = -1 EBADF (Bad file descriptor) [pid 1950] close(4) = -1 EBADF (Bad file descriptor) [pid 1950] close(5) = -1 EBADF (Bad file descriptor) [pid 1949] +++ exited with 0 +++ [pid 1950] close(6 [pid 312] newfstatat(AT_FDCWD, "./331/cgroup.cpu" [pid 311] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1950] close(7 [pid 312] unlink("./331/cgroup.cpu" [pid 311] umount2("./325/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1950] close(8 [pid 312] <... unlink resumed>) = 0 [pid 311] <... umount2 resumed>) = 0 [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./331/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./325/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1950] close(9 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./316", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./331/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1950] close(10 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] newfstatat(AT_FDCWD, "./325/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./331/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1950] close(11 [pid 309] openat(AT_FDCWD, "./316", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./325/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1950] close(12 [pid 312] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1950] close(13) = -1 EBADF (Bad file descriptor) [pid 1950] close(14) = -1 EBADF (Bad file descriptor) [pid 1950] close(15) = -1 EBADF (Bad file descriptor) [pid 1950] close(16 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 309] fstat(3 [pid 1950] close(17 [pid 312] <... close resumed>) = 0 [pid 311] openat(AT_FDCWD, "./325/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./331" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1950] close(18 [pid 311] <... openat resumed>) = 4 [pid 312] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] mkdir("./332", 0777 [pid 311] fstat(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1950] close(19 [pid 312] <... mkdir resumed>) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] getdents64(4 [pid 1950] close(20 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./323", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1950] close(21 [pid 310] openat(AT_FDCWD, "./323", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 1951 attached [pid 1950] close(22 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1951] set_robust_list(0x55555bb49760, 24 [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 334 [pid 311] close(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./316/config" [pid 1951] <... set_robust_list resumed>) = 0 [pid 1950] close(23 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 1951] rt_sigprocmask(SIG_SETMASK, [] [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rmdir("./325/config" [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1951] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1950] close(24 [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./323/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./316/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1951] chdir("./332" [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./325/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 1951] <... chdir resumed>) = 0 [pid 1950] close(25 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./323/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./325/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./316/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1951] <... prctl resumed>) = 0 [pid 1950] close(26 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./323/config" [pid 1951] setpgid(0, 0 [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./325/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 1951] <... setpgid resumed>) = 0 [pid 1950] close(27 [pid 311] <... unlink resumed>) = 0 [pid 310] umount2("./323/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 1951] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./325/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1951] <... symlink resumed>) = 0 [pid 1950] close(28 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./323/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1951] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] newfstatat(AT_FDCWD, "./325/cgroup.net" [pid 310] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 1951] <... symlink resumed>) = 0 [pid 1950] close(29 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1951] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 1950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] unlink("./325/cgroup.net" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] getdents64(4 [pid 1951] <... symlink resumed>) = 0 [pid 1950] exit_group(0 [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1950] <... exit_group resumed>) = ? [pid 311] umount2("./325/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] close(4 [pid 1951] <... openat resumed>) = 3 [pid 1950] +++ exited with 0 +++ [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 1951] write(3, "1000", 4 [pid 311] newfstatat(AT_FDCWD, "./325/cgroup.cpu" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./316/config" [pid 1951] <... write resumed>) = 4 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 1951] close(3 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 311] unlink("./325/cgroup.cpu" [pid 310] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1951] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 310] rmdir("./323/config" [pid 309] umount2("./316/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1951] symlink("/dev/binderfs", "./binderfs" [pid 311] umount2("./325/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 1951] <... symlink resumed>) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./323/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1951] write(1, "executing program\n", 18 [pid 311] newfstatat(AT_FDCWD, "./325/cgroup" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./316/binderfs" [pid 1951] <... write resumed>) = 18 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./323/binderfs" [pid 1951] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] unlink("./325/cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1951] <... mkdirat resumed>) = 0 [pid 310] unlink("./323/binderfs" [pid 311] <... unlink resumed>) = 0 [pid 1951] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... unlink resumed>) = 0 [pid 311] getdents64(3 [pid 309] unlink("./316/binderfs" [pid 1951] <... mount resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./323/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 1951] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./323/cgroup.net" [pid 309] umount2("./316/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./323/cgroup.net") = 0 [pid 310] umount2("./323/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 311] rmdir("./325" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1951] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./323/cgroup.cpu" [pid 311] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] mkdir("./326", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./316/cgroup.net" [pid 310] unlink("./323/cgroup.cpu" [pid 1951] <... mkdirat resumed>) = 0 [pid 311] <... mkdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1951] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./323/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1951] <... symlinkat resumed>) = 0 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./316/cgroup.net" [pid 1951] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./323/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] unlink("./323/cgroup") = 0 [pid 310] getdents64(3, 0x55555bb4a810 /* 0 entries */, 32768) = 0 ci2-android-5-15/strace-static-x86_64: Process 1952 attached [pid 313] umount2("./336", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] umount2("./316/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1952] set_robust_list(0x55555bb49760, 24 [pid 1951] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 328 [pid 310] <... close resumed>) = 0 [pid 1952] <... set_robust_list resumed>) = 0 [pid 1951] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] openat(AT_FDCWD, "./336", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./323" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1952] rt_sigprocmask(SIG_SETMASK, [] [pid 1951] <... unlinkat resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./316/cgroup.cpu" [pid 1952] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1951] close(3 [pid 313] fstat(3 [pid 310] mkdir("./324", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1952] chdir("./326" [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] unlink("./316/cgroup.cpu" [pid 1952] <... chdir resumed>) = 0 [pid 1951] close(4 [pid 313] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1952] <... prctl resumed>) = 0 [pid 1951] close(5 [pid 313] umount2("./336/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./316/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-5-15/strace-static-x86_64: Process 1953 attached [pid 1952] setpgid(0, 0 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1953] set_robust_list(0x55555bb49760, 24 [pid 1952] <... setpgid resumed>) = 0 [pid 1951] close(6 [pid 313] umount2("./336/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 326 [pid 309] newfstatat(AT_FDCWD, "./316/cgroup" [pid 1953] <... set_robust_list resumed>) = 0 [pid 1952] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1953] rt_sigprocmask(SIG_SETMASK, [] [pid 1952] <... symlink resumed>) = 0 [pid 1951] close(7 [pid 313] newfstatat(AT_FDCWD, "./336/config" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1953] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1952] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./316/cgroup" [pid 1953] chdir("./324" [pid 1952] <... symlink resumed>) = 0 [pid 1951] close(8 [pid 313] umount2("./336/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1953] <... chdir resumed>) = 0 [pid 1952] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... unlink resumed>) = 0 [pid 1953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1952] <... symlink resumed>) = 0 [pid 1951] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 1953] <... prctl resumed>) = 0 [pid 1952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./336/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1953] setpgid(0, 0 [pid 1952] <... openat resumed>) = 3 [pid 1951] close(10 [pid 313] <... openat resumed>) = 4 [pid 309] close(3 [pid 1953] <... setpgid resumed>) = 0 [pid 1952] write(3, "1000", 4 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] fstat(4 [pid 1953] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1952] <... write resumed>) = 4 [pid 1951] close(11 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 1953] <... symlink resumed>) = 0 [pid 1952] close(3 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] rmdir("./316" [pid 1953] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1952] <... close resumed>) = 0 [pid 1951] close(12 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1953] <... symlink resumed>) = 0 [pid 1952] symlink("/dev/binderfs", "./binderfs" [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 1953] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1952] <... symlink resumed>) = 0 [pid 1951] close(13 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] mkdir("./317", 0777 [pid 1953] <... symlink resumed>) = 0 [pid 1952] write(1, "executing program\n", 18 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1952] <... write resumed>) = 18 [pid 1951] close(14 [pid 309] <... mkdir resumed>) = 0 [pid 1953] <... openat resumed>) = 3 executing program [pid 1952] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1953] write(3, "1000", 4 [pid 1952] <... mkdirat resumed>) = 0 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./336/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1953] <... write resumed>) = 4 [pid 1952] mount(NULL, "./config", "configfs", 0, NULL [pid 1951] close(15 [pid 1953] close(3 [pid 1952] <... mount resumed>) = 0 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1953] <... close resumed>) = 0 [pid 1952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1951] close(16 [pid 313] umount2("./336/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1952] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-5-15/strace-static-x86_64: Process 1954 attached [pid 1953] symlink("/dev/binderfs", "./binderfs" [pid 1952] <... mkdirat resumed>) = 0 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1954] set_robust_list(0x55555bb49760, 24 [pid 1953] <... symlink resumed>) = 0 [pid 1952] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1951] close(17 [pid 313] newfstatat(AT_FDCWD, "./336/binderfs" [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 319 [pid 1954] <... set_robust_list resumed>) = 0 [pid 1953] write(1, "executing program\n", 18 [pid 1952] <... symlinkat resumed>) = 0 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1954] rt_sigprocmask(SIG_SETMASK, [] [pid 1953] <... write resumed>) = 18 [pid 1952] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1951] close(18 [pid 313] unlink("./336/binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1954] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1953] mkdirat(AT_FDCWD, "./config", 0777 [pid 1952] <... unlinkat resumed>) = 0 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] chdir("./317" [pid 1952] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1954] <... chdir resumed>) = 0 [pid 1953] <... mkdirat resumed>) = 0 [pid 1952] <... unlinkat resumed>) = 0 [pid 1951] close(19 [pid 313] umount2("./336/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1953] mount(NULL, "./config", "configfs", 0, NULL [pid 1952] close(3 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1954] <... prctl resumed>) = 0 [pid 1953] <... mount resumed>) = 0 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] setpgid(0, 0 [pid 1953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1952] close(4 [pid 1951] close(20 [pid 313] newfstatat(AT_FDCWD, "./336/cgroup.net" [pid 1954] <... setpgid resumed>) = 0 [pid 1953] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1952] close(5 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1954] <... symlink resumed>) = 0 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1951] close(21 [pid 1953] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1954] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1952] close(6 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./336/cgroup.net" [pid 1954] <... symlink resumed>) = 0 [pid 1953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1951] close(22 [pid 313] <... unlink resumed>) = 0 [pid 1954] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1952] close(7 [pid 1953] <... mkdirat resumed>) = 0 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] close(8 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./336/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1954] <... symlink resumed>) = 0 [pid 1953] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1951] close(23 [pid 1954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1952] close(9 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1953] <... symlinkat resumed>) = 0 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] <... openat resumed>) = 3 [pid 1953] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1952] close(10 [pid 1951] close(24 [pid 313] newfstatat(AT_FDCWD, "./336/cgroup.cpu" [pid 1954] write(3, "1000", 4 [pid 1953] <... unlinkat resumed>) = 0 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1954] <... write resumed>) = 4 [pid 1953] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1952] close(11 [pid 1951] close(25 [pid 313] unlink("./336/cgroup.cpu" [pid 1954] close(3 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] <... close resumed>) = 0 [pid 1953] <... unlinkat resumed>) = 0 [pid 1952] close(12 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1954] symlink("/dev/binderfs", "./binderfs" [pid 1953] close(3 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] close(13 [pid 1951] close(26 [pid 313] umount2("./336/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1954] <... symlink resumed>) = 0 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] write(1, "executing program\n", 18 [pid 1953] close(4 executing program [pid 1952] close(14 [pid 1951] close(27 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1954] <... write resumed>) = 18 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] close(15 [pid 313] newfstatat(AT_FDCWD, "./336/cgroup" [pid 1954] mkdirat(AT_FDCWD, "./config", 0777 [pid 1953] close(5 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1951] close(28 [pid 1954] <... mkdirat resumed>) = 0 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] close(16 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1954] mount(NULL, "./config", "configfs", 0, NULL [pid 1953] close(6 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1951] close(29 [pid 313] unlink("./336/cgroup" [pid 1954] <... mount resumed>) = 0 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] close(17 [pid 1951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1953] close(7 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1954] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] close(18 [pid 1951] exit_group(0 [pid 313] getdents64(3 [pid 1954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1953] close(8 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1951] <... exit_group resumed>) = ? [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1954] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] close(19) = -1 EBADF (Bad file descriptor) [pid 1952] close(20) = -1 EBADF (Bad file descriptor) [pid 1952] close(21) = -1 EBADF (Bad file descriptor) [pid 1952] close(22) = -1 EBADF (Bad file descriptor) [pid 1951] +++ exited with 0 +++ [pid 1952] close(23 [pid 1954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1953] close(9 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1952] close(24 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] <... mkdirat resumed>) = 0 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] close(25 [pid 313] <... close resumed>) = 0 [pid 1954] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1953] close(10 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./336" [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1954] <... symlinkat resumed>) = 0 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] close(26 [pid 1954] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1953] close(11 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1954] <... unlinkat resumed>) = 0 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] close(27 [pid 313] mkdir("./337", 0777 [pid 1954] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1953] close(12 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] close(28 [pid 313] <... mkdir resumed>) = 0 [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] <... unlinkat resumed>) = 0 [pid 1953] close(13 [pid 1952] close(29 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1954] close(3 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] close(14 [pid 1952] exit_group(0 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1954] close(4 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1952] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1955 attached [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] close(15 [pid 1952] +++ exited with 0 +++ [pid 1955] set_robust_list(0x55555bb49760, 24 [pid 1954] close(5 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 339 [pid 1955] <... set_robust_list resumed>) = 0 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] close(16 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1955] rt_sigprocmask(SIG_SETMASK, [] [pid 1954] close(6 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1955] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] close(17 [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1955] chdir("./337" [pid 1954] close(7 [pid 1955] <... chdir resumed>) = 0 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1953] close(18 [pid 1954] close(8 [pid 1955] <... prctl resumed>) = 0 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] setpgid(0, 0 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] close(19 [pid 1955] <... setpgid resumed>) = 0 [pid 1954] close(9 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] close(20 [pid 1955] <... symlink resumed>) = 0 [pid 1954] close(10 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] close(21 [pid 1955] <... symlink resumed>) = 0 [pid 1954] close(11 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] close(22 [pid 1955] <... symlink resumed>) = 0 [pid 1954] close(12 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] close(23 [pid 1955] <... openat resumed>) = 3 [pid 1954] close(13 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] write(3, "1000", 4 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] close(24 [pid 1955] <... write resumed>) = 4 [pid 1954] close(14 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] close(3 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] close(25 [pid 1955] <... close resumed>) = 0 [pid 1954] close(15 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] symlink("/dev/binderfs", "./binderfs" [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] close(26 [pid 1955] <... symlink resumed>) = 0 [pid 1954] close(16 [pid 1955] write(1, "executing program\n", 18 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] <... write resumed>) = 18 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 1953] close(27 [pid 1955] mkdirat(AT_FDCWD, "./config", 0777 [pid 1954] close(17 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] <... mkdirat resumed>) = 0 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] close(28 [pid 1955] mount(NULL, "./config", "configfs", 0, NULL [pid 1954] close(18 [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] <... mount resumed>) = 0 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1953] close(29 [pid 1954] close(19 [pid 312] <... restart_syscall resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 1955] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1954] close(20 [pid 1953] exit_group(0 [pid 1955] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1954] close(21 [pid 1953] <... exit_group resumed>) = ? [pid 312] umount2("./332", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./326", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1955] <... mkdirat resumed>) = 0 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1953] +++ exited with 0 +++ [pid 1954] close(22 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1955] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] openat(AT_FDCWD, "./332", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1955] <... symlinkat resumed>) = 0 [pid 1954] close(23 [pid 312] <... openat resumed>) = 3 [pid 311] openat(AT_FDCWD, "./326", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1955] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1955] <... unlinkat resumed>) = 0 [pid 1954] close(24 [pid 311] <... openat resumed>) = 3 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1955] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] fstat(3 [pid 312] getdents64(3 [pid 1955] <... unlinkat resumed>) = 0 [pid 1954] close(25 [pid 1955] close(3 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] close(26 [pid 312] umount2("./332/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1955] close(4 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(3 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] close(27 [pid 312] <... umount2 resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1955] close(5 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./332/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./326/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] close(28 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1955] close(6 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = 0 [pid 312] newfstatat(AT_FDCWD, "./332/config" [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] close(29 [pid 311] umount2("./326/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1955] close(7 [pid 1954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./324", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1955] close(8 [pid 1954] exit_group(0 [pid 312] umount2("./332/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./326/config" [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1954] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1955] close(9 [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1954] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./324", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./332/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] umount2("./326/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1955] close(10 [pid 312] <... openat resumed>) = 4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] fstat(4 [pid 311] openat(AT_FDCWD, "./326/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1955] close(11 [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... openat resumed>) = 4 [pid 310] getdents64(3 [pid 312] getdents64(4 [pid 1955] close(12 [pid 311] fstat(4 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(4 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] umount2("./324/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1955] close(13 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] getdents64(4 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = 0 [pid 1955] close(14 [pid 312] <... close resumed>) = 0 [pid 311] getdents64(4 [pid 310] umount2("./324/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./332/config" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1955] close(15 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... rmdir resumed>) = 0 [pid 311] close(4 [pid 310] newfstatat(AT_FDCWD, "./324/config" [pid 1955] close(16 [pid 312] umount2("./332/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... close resumed>) = 0 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] rmdir("./326/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1955] close(17 [pid 312] newfstatat(AT_FDCWD, "./332/binderfs" [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... rmdir resumed>) = 0 [pid 310] umount2("./324/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1955] close(18 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./326/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./332/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1955] close(19 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./324/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1955] close(20 [pid 312] umount2("./332/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] newfstatat(AT_FDCWD, "./326/binderfs" [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 1955] close(21 [pid 312] newfstatat(AT_FDCWD, "./332/cgroup.net" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./326/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1955] close(22 [pid 312] unlink("./332/cgroup.net" [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 1955] close(23 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./326/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./332/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 1955] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./326/cgroup.net" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./332/cgroup.cpu" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 1955] close(25 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./326/cgroup.net" [pid 309] umount2("./317", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./332/cgroup.cpu" [pid 311] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1955] close(26 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./326/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./324/config" [pid 309] openat(AT_FDCWD, "./317", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./332/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 1955] close(27 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] newfstatat(AT_FDCWD, "./326/cgroup.cpu" [pid 310] umount2("./324/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./332/cgroup" [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1955] close(28 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] unlink("./326/cgroup.cpu" [pid 310] newfstatat(AT_FDCWD, "./324/binderfs" [pid 309] getdents64(3 [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./332/cgroup" [pid 311] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1955] close(29 [pid 312] <... unlink resumed>) = 0 [pid 311] umount2("./326/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./324/binderfs" [pid 309] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 1955] exit_group(0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] newfstatat(AT_FDCWD, "./326/cgroup" [pid 310] umount2("./324/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1955] <... exit_group resumed>) = ? [pid 312] close(3 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./317/config", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./317/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./317/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 1955] +++ exited with 0 +++ [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 312] <... close resumed>) = 0 [pid 311] unlink("./326/cgroup" [pid 310] newfstatat(AT_FDCWD, "./324/cgroup.net" [pid 309] getdents64(4 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] rmdir("./332" [pid 311] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... rmdir resumed>) = 0 [pid 311] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 312] mkdir("./333", 0777 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 310] unlink("./324/cgroup.net" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 312] <... mkdir resumed>) = 0 [pid 311] close(3 [pid 309] close(4 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rmdir("./326" [pid 310] umount2("./324/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./317/config" [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 309] umount2("./317/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./317/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-5-15/strace-static-x86_64: Process 1956 attached [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 335 [pid 311] mkdir("./327", 0777 [pid 310] newfstatat(AT_FDCWD, "./324/cgroup.cpu" [pid 309] unlink("./317/binderfs" [pid 1956] set_robust_list(0x55555bb49760, 24 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1956] <... set_robust_list resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./317/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1956] rt_sigprocmask(SIG_SETMASK, [] [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./324/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1956] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./317/cgroup.net" [pid 310] <... unlink resumed>) = 0 [pid 1956] chdir("./333" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./317/cgroup.net"ci2-android-5-15/strace-static-x86_64: Process 1957 attached ) = 0 [pid 1956] <... chdir resumed>) = 0 [pid 310] umount2("./324/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1957] set_robust_list(0x55555bb49760, 24 [pid 1956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 329 [pid 309] umount2("./317/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1957] <... set_robust_list resumed>) = 0 [pid 1956] <... prctl resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1957] rt_sigprocmask(SIG_SETMASK, [] [pid 1956] setpgid(0, 0 [pid 309] newfstatat(AT_FDCWD, "./317/cgroup.cpu" [pid 1957] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1957] chdir("./327" [pid 309] unlink("./317/cgroup.cpu" [pid 1957] <... chdir resumed>) = 0 [pid 1956] <... setpgid resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./324/cgroup" [pid 309] <... unlink resumed>) = 0 [pid 1957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1956] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./317/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1957] <... prctl resumed>) = 0 [pid 1956] <... symlink resumed>) = 0 [pid 310] unlink("./324/cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1957] setpgid(0, 0 [pid 1956] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 309] newfstatat(AT_FDCWD, "./317/cgroup" [pid 1957] <... setpgid resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1957] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1956] <... symlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] unlink("./317/cgroup" [pid 1957] <... symlink resumed>) = 0 [pid 1956] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 313] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1957] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1956] <... symlink resumed>) = 0 [pid 309] getdents64(3 [pid 1957] <... symlink resumed>) = 0 [pid 1956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1957] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 309] close(3 [pid 1957] <... symlink resumed>) = 0 [pid 1956] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 1957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1956] write(3, "1000", 4 [pid 313] umount2("./337", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./324" [pid 309] rmdir("./317" [pid 1957] <... openat resumed>) = 3 [pid 1956] <... write resumed>) = 4 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1957] write(3, "1000", 4 [pid 1956] close(3 [pid 313] openat(AT_FDCWD, "./337", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./325", 0777 [pid 309] mkdir("./318", 0777 [pid 1957] <... write resumed>) = 4 [pid 1956] <... close resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 1957] close(3 [pid 1956] symlink("/dev/binderfs", "./binderfs" [pid 313] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1957] <... close resumed>) = 0 [pid 1956] <... symlink resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1957] symlink("/dev/binderfs", "./binderfs" [pid 1956] write(1, "executing program\n", 18 [pid 313] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 1958 attached [pid 1957] <... symlink resumed>) = 0 [pid 1956] <... write resumed>) = 18 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1958] set_robust_list(0x55555bb49760, 24 [pid 1957] write(1, "executing program\n", 18 [pid 1956] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] umount2("./337/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 320 [pid 1957] <... write resumed>) = 18 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1957] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program ci2-android-5-15/strace-static-x86_64: Process 1959 attached [pid 1958] <... set_robust_list resumed>) = 0 [pid 1957] <... mkdirat resumed>) = 0 [pid 1956] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = 0 [pid 1959] set_robust_list(0x55555bb49760, 24 [pid 1958] rt_sigprocmask(SIG_SETMASK, [] [pid 1957] mount(NULL, "./config", "configfs", 0, NULL [pid 313] umount2("./337/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1959] <... set_robust_list resumed>) = 0 [pid 1958] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1957] <... mount resumed>) = 0 [pid 1956] mount(NULL, "./config", "configfs", 0, NULL [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 327 [pid 1959] rt_sigprocmask(SIG_SETMASK, [] [pid 1958] chdir("./318" [pid 1957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1959] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1958] <... chdir resumed>) = 0 [pid 1957] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1956] <... mount resumed>) = 0 [pid 313] newfstatat(AT_FDCWD, "./337/config" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1959] chdir("./325" [pid 1958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1959] <... chdir resumed>) = 0 [pid 1958] <... prctl resumed>) = 0 [pid 1957] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] umount2("./337/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1958] setpgid(0, 0 [pid 1957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1959] <... prctl resumed>) = 0 [pid 1958] <... setpgid resumed>) = 0 [pid 1957] <... mkdirat resumed>) = 0 [pid 1956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] openat(AT_FDCWD, "./337/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1959] setpgid(0, 0 [pid 1958] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1957] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1959] <... setpgid resumed>) = 0 [pid 1958] <... symlink resumed>) = 0 [pid 1957] <... symlinkat resumed>) = 0 [pid 313] <... openat resumed>) = 4 [pid 1959] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 1958] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1957] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1959] <... symlink resumed>) = 0 [pid 1958] <... symlink resumed>) = 0 [pid 1957] <... unlinkat resumed>) = 0 [pid 1956] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] fstat(4 [pid 1959] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1958] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1957] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1959] <... symlink resumed>) = 0 [pid 1958] <... symlink resumed>) = 0 [pid 1957] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 1956] <... symlinkat resumed>) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1959] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1957] close(3 [pid 1956] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] getdents64(4 [pid 1959] <... symlink resumed>) = 0 [pid 1958] <... openat resumed>) = 3 [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1958] write(3, "1000", 4 [pid 1957] close(4 [pid 1956] <... unlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1959] <... openat resumed>) = 3 [pid 1958] <... write resumed>) = 4 [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] getdents64(4 [pid 1959] write(3, "1000", 4 [pid 1958] close(3 [pid 1957] close(5 [pid 1959] <... write resumed>) = 4 [pid 1958] <... close resumed>) = 0 [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] <... unlinkat resumed>) = 0 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1959] close(3 [pid 1958] symlink("/dev/binderfs", "./binderfs" [pid 1957] close(6 [pid 1956] close(3 [pid 313] close(4 [pid 1959] <... close resumed>) = 0 [pid 1958] <... symlink resumed>) = 0 [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1959] symlink("/dev/binderfs", "./binderfs" [pid 1958] write(1, "executing program\n", 18 [pid 1957] close(7 [pid 1956] close(4 [pid 313] rmdir("./337/config" [pid 1959] <... symlink resumed>) = 0 [pid 1958] <... write resumed>) = 18 executing program executing program [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1959] write(1, "executing program\n", 18 [pid 1957] close(8 [pid 1958] mkdirat(AT_FDCWD, "./config", 0777 [pid 313] <... rmdir resumed>) = 0 [pid 1959] <... write resumed>) = 18 [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(5 [pid 1959] mkdirat(AT_FDCWD, "./config", 0777 [pid 1958] <... mkdirat resumed>) = 0 [pid 1957] close(9 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./337/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1959] <... mkdirat resumed>) = 0 [pid 1958] mount(NULL, "./config", "configfs", 0, NULL [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(6 [pid 1959] mount(NULL, "./config", "configfs", 0, NULL [pid 1958] <... mount resumed>) = 0 [pid 1957] close(10 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1959] <... mount resumed>) = 0 [pid 1958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(7 [pid 313] newfstatat(AT_FDCWD, "./337/binderfs" [pid 1959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1958] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1957] close(11 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1959] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(8 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1958] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1957] close(12 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./337/binderfs" [pid 1959] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(9 [pid 1959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1957] close(13 [pid 313] <... unlink resumed>) = 0 [pid 1959] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1958] <... mkdirat resumed>) = 0 [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./337/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1959] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1958] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1957] close(14 [pid 1956] close(10 [pid 1959] <... symlinkat resumed>) = 0 [pid 1958] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1959] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1958] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1957] close(15 [pid 1956] close(11 [pid 313] newfstatat(AT_FDCWD, "./337/cgroup.net" [pid 1959] <... unlinkat resumed>) = 0 [pid 1958] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1959] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1958] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1957] close(16 [pid 1956] close(12 [pid 313] unlink("./337/cgroup.net" [pid 1959] <... unlinkat resumed>) = 0 [pid 1958] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1959] close(3 [pid 1958] close(3 [pid 1957] close(17 [pid 1956] close(13 [pid 313] <... unlink resumed>) = 0 [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./337/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1959] close(4 [pid 1958] close(4 [pid 1957] close(18 [pid 1956] close(14 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./337/cgroup.cpu" [pid 1959] close(5 [pid 1958] close(5 [pid 1957] close(19 [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(15 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1959] close(6 [pid 1958] close(6 [pid 1957] close(20 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./337/cgroup.cpu" [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(16 [pid 1959] close(7 [pid 1958] close(7 [pid 1957] close(21 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(17 [pid 313] umount2("./337/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1959] close(8 [pid 1958] close(8 [pid 1957] close(22 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(18 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1959] close(9 [pid 1958] close(9 [pid 1957] close(23 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./337/cgroup" [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(19 [pid 1959] close(10 [pid 1958] close(10 [pid 1957] close(24 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(20 [pid 313] unlink("./337/cgroup" [pid 1959] close(11 [pid 1958] close(11 [pid 1957] close(25 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(21 [pid 313] <... unlink resumed>) = 0 [pid 1959] close(12 [pid 1958] close(12 [pid 1957] close(26 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(3 [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(22 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1959] close(13 [pid 1958] close(13 [pid 1957] close(27 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(3 [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(23 [pid 313] <... close resumed>) = 0 [pid 1959] close(14 [pid 1958] close(14 [pid 1957] close(28 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rmdir("./337" [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(24 [pid 1959] close(15 [pid 1958] close(15 [pid 1957] close(29 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(25 [pid 313] mkdir("./338", 0777 [pid 1959] close(16 [pid 1958] close(16 [pid 1957] exit_group(0 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... mkdir resumed>) = 0 [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1957] <... exit_group resumed>) = ? [pid 1956] close(26 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1959] close(17 [pid 1958] close(17 [pid 1957] +++ exited with 0 +++ [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(27 [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1959] close(18 [pid 1958] close(18 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1959] close(19) = -1 EBADF (Bad file descriptor) [pid 1959] close(20) = -1 EBADF (Bad file descriptor) [pid 1959] close(21) = -1 EBADF (Bad file descriptor) [pid 1959] close(22) = -1 EBADF (Bad file descriptor) [pid 1959] close(23) = -1 EBADF (Bad file descriptor) ci2-android-5-15/strace-static-x86_64: Process 1960 attached [pid 1959] close(24 [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(28 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 340 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1960] set_robust_list(0x55555bb49760, 24 [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] close(19 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1960] <... set_robust_list resumed>) = 0 [pid 1959] close(25 [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] close(29 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1960] rt_sigprocmask(SIG_SETMASK, [] [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] close(20 [pid 1956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1960] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1959] close(26 [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1956] exit_group(0 [pid 1960] chdir("./338" [pid 1959] close(27 [pid 1958] close(21 [pid 1956] <... exit_group resumed>) = ? [pid 1960] <... chdir resumed>) = 0 [pid 1959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1959] close(28) = -1 EBADF (Bad file descriptor) [pid 1959] close(29) = -1 EBADF (Bad file descriptor) [pid 1959] exit_group(0) = ? [pid 1960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1959] +++ exited with 0 +++ [pid 1958] close(22 [pid 1956] +++ exited with 0 +++ [pid 1960] <... prctl resumed>) = 0 [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1960] setpgid(0, 0 [pid 1958] close(23 [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1960] <... setpgid resumed>) = 0 [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1960] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1958] close(24 [pid 1960] <... symlink resumed>) = 0 [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1960] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1958] close(25 [pid 1960] <... symlink resumed>) = 0 [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1960] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 1958] close(26 [pid 1960] <... symlink resumed>) = 0 [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1958] close(27) = -1 EBADF (Bad file descriptor) [pid 1960] <... openat resumed>) = 3 [pid 1958] close(28 [pid 1960] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1960] <... write resumed>) = 4 [pid 1958] close(29 [pid 1960] close(3 [pid 1958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1960] <... close resumed>) = 0 [pid 1958] exit_group(0 [pid 310] umount2("./325", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1960] symlink("/dev/binderfs", "./binderfs" [pid 1958] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1960] <... symlink resumed>) = 0 [pid 1958] +++ exited with 0 +++ [pid 1960] write(1, "executing program\n", 18 [pid 310] openat(AT_FDCWD, "./325", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1960] <... write resumed>) = 18 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... openat resumed>) = 3 executing program [pid 1960] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] fstat(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1960] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1960] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(3 [pid 1960] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 312] <... restart_syscall resumed>) = 0 [pid 1960] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./325/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./325/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1960] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] umount2("./333", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./325/config" [pid 1960] <... mkdirat resumed>) = 0 [pid 312] openat(AT_FDCWD, "./333", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1960] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... openat resumed>) = 3 [pid 1960] <... symlinkat resumed>) = 0 [pid 310] umount2("./325/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] fstat(3 [pid 1960] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1960] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./325/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1960] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 312] getdents64(3 [pid 310] <... openat resumed>) = 4 [pid 1960] <... unlinkat resumed>) = 0 [pid 310] fstat(4 [pid 1960] close(3 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... restart_syscall resumed>) = 0 [pid 312] umount2("./333/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1960] close(4 [pid 312] <... umount2 resumed>) = 0 [pid 310] getdents64(4, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./333/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./327", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 1960] close(5 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./333/config" [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1960] close(6 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] openat(AT_FDCWD, "./327", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(4 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./333/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1960] close(7 [pid 311] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] fstat(3 [pid 310] rmdir("./325/config" [pid 1960] close(8 [pid 312] openat(AT_FDCWD, "./333/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 4 [pid 311] getdents64(3 [pid 1960] close(9 [pid 312] fstat(4 [pid 310] umount2("./325/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1960] close(10 [pid 312] getdents64(4 [pid 311] umount2("./327/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./325/binderfs" [pid 312] getdents64(4 [pid 311] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1960] close(11 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 311] umount2("./327/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./325/binderfs" [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(4 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1960] close(12 [pid 310] <... unlink resumed>) = 0 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./327/config" [pid 310] umount2("./325/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1960] close(13 [pid 312] rmdir("./333/config" [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1960] close(14 [pid 312] <... rmdir resumed>) = 0 [pid 311] umount2("./327/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./325/cgroup.net" [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./333/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1960] close(15 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] openat(AT_FDCWD, "./327/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./333/binderfs" [pid 311] <... openat resumed>) = 4 [pid 310] unlink("./325/cgroup.net" [pid 1960] close(16 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] fstat(4 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./333/binderfs" [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1960] close(17 [pid 312] <... unlink resumed>) = 0 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] getdents64(4 [pid 310] umount2("./325/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1960] close(18 [pid 312] umount2("./333/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1960] close(19 [pid 312] newfstatat(AT_FDCWD, "./333/cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] close(4 [pid 310] newfstatat(AT_FDCWD, "./325/cgroup.cpu" [pid 1960] close(20 [pid 312] unlink("./333/cgroup.net" [pid 311] <... close resumed>) = 0 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1960] close(21 [pid 312] <... unlink resumed>) = 0 [pid 311] rmdir("./327/config" [pid 310] unlink("./325/cgroup.cpu" [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./333/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... rmdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 1960] close(22 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] umount2("./327/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] newfstatat(AT_FDCWD, "./333/cgroup.cpu" [pid 310] umount2("./325/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 1960] close(23 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./333/cgroup.cpu" [pid 311] newfstatat(AT_FDCWD, "./327/binderfs" [pid 310] newfstatat(AT_FDCWD, "./325/cgroup" [pid 1960] close(24 [pid 312] <... unlink resumed>) = 0 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./333/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1960] close(25 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] unlink("./327/binderfs" [pid 309] umount2("./318", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] newfstatat(AT_FDCWD, "./333/cgroup" [pid 311] <... unlink resumed>) = 0 [pid 310] unlink("./325/cgroup" [pid 1960] close(26 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./327/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] unlink("./333/cgroup" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./318", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1960] close(27 [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./327/cgroup.net" [pid 310] getdents64(3 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 1960] close(28 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(3 [pid 311] unlink("./327/cgroup.net" [pid 310] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1960] close(29 [pid 312] <... close resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 1960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] rmdir("./333" [pid 311] umount2("./327/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 1960] exit_group(0 [pid 312] <... rmdir resumed>) = 0 [pid 310] rmdir("./325" [pid 1960] <... exit_group resumed>) = ? [pid 312] mkdir("./334", 0777 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... rmdir resumed>) = 0 [pid 1960] +++ exited with 0 +++ [pid 310] mkdir("./326", 0777 [pid 309] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... mkdir resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./327/cgroup.cpu" [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = 0 [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] unlink("./327/cgroup.cpu" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-5-15/strace-static-x86_64: Process 1961 attached [pid 311] <... unlink resumed>) = 0 [pid 1961] set_robust_list(0x55555bb49760, 24) = 0 [pid 1961] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 1962 attached [pid 1961] chdir("./334" [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 336 [pid 311] umount2("./327/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./318/config" [pid 1962] set_robust_list(0x55555bb49760, 24 [pid 1961] <... chdir resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 1962] <... set_robust_list resumed>) = 0 [pid 1961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 328 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1962] rt_sigprocmask(SIG_SETMASK, [] [pid 1961] <... prctl resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./327/cgroup" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1962] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1961] setpgid(0, 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./318/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1962] chdir("./326" [pid 1961] <... setpgid resumed>) = 0 [pid 311] unlink("./327/cgroup" [pid 1962] <... chdir resumed>) = 0 [pid 1961] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1961] <... symlink resumed>) = 0 [pid 311] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./318/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1962] <... prctl resumed>) = 0 [pid 1961] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 311] getdents64(3 [pid 1962] setpgid(0, 0 [pid 1961] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 1962] <... setpgid resumed>) = 0 [pid 1961] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 1962] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 1961] <... symlink resumed>) = 0 [pid 311] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1962] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 1961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... close resumed>) = 0 [pid 1962] <... symlink resumed>) = 0 [pid 1961] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 1962] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 1961] write(3, "1000", 4 [pid 311] rmdir("./327" [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1962] <... symlink resumed>) = 0 [pid 1961] <... write resumed>) = 4 [pid 1962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1961] close(3 [pid 311] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 1962] <... openat resumed>) = 3 [pid 1961] <... close resumed>) = 0 [pid 311] mkdir("./328", 0777 [pid 309] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1962] write(3, "1000", 4 [pid 1961] symlink("/dev/binderfs", "./binderfs" [pid 1962] <... write resumed>) = 4 [pid 311] <... mkdir resumed>) = 0 [pid 309] close(4 [pid 1962] close(3 [pid 1961] <... symlink resumed>) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1962] <... close resumed>) = 0 [pid 1961] write(1, "executing program\n", 18 [pid 313] <... restart_syscall resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 executing program [pid 1962] symlink("/dev/binderfs", "./binderfs" [pid 1961] <... write resumed>) = 18 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./318/config" [pid 1962] <... symlink resumed>) = 0 [pid 1961] mkdirat(AT_FDCWD, "./config", 0777 [pid 1962] write(1, "executing program\n", 18) = 18 [pid 1962] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 1962] mount(NULL, "./config", "configfs", 0, NULL) = 0 ci2-android-5-15/strace-static-x86_64: Process 1963 attached [pid 1962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 313] umount2("./338", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 1963] set_robust_list(0x55555bb49760, 24 executing program [pid 1962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1961] <... mkdirat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... clone resumed>, child_tidptr=0x55555bb49750) = 330 [pid 309] umount2("./318/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1963] <... set_robust_list resumed>) = 0 [pid 1962] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1961] mount(NULL, "./config", "configfs", 0, NULL [pid 313] openat(AT_FDCWD, "./338", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1963] rt_sigprocmask(SIG_SETMASK, [] [pid 1962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1963] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1962] <... mkdirat resumed>) = 0 [pid 1961] <... mount resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./318/binderfs" [pid 1962] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1962] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1963] chdir("./328" [pid 1962] <... unlinkat resumed>) = 0 [pid 1961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 313] fstat(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1963] <... chdir resumed>) = 0 [pid 1962] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1961] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 309] unlink("./318/binderfs" [pid 1963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1962] <... unlinkat resumed>) = 0 [pid 1961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 313] getdents64(3 [pid 1963] <... prctl resumed>) = 0 [pid 1962] close(3 [pid 1961] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 1963] setpgid(0, 0 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 309] umount2("./318/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1963] <... setpgid resumed>) = 0 [pid 1962] close(4) = -1 EBADF (Bad file descriptor) [pid 1962] close(5 [pid 1961] <... mkdirat resumed>) = 0 [pid 313] umount2("./338/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1963] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 313] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./318/cgroup.net" [pid 1963] <... symlink resumed>) = 0 [pid 1962] close(6) = -1 EBADF (Bad file descriptor) [pid 1961] <... symlinkat resumed>) = 0 [pid 1963] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 1962] close(7 [pid 1961] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] umount2("./338/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1963] <... symlink resumed>) = 0 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1962] close(8 [pid 1961] <... unlinkat resumed>) = 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1963] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 313] newfstatat(AT_FDCWD, "./338/config" [pid 309] unlink("./318/cgroup.net" [pid 1963] <... symlink resumed>) = 0 [pid 1962] close(9) = -1 EBADF (Bad file descriptor) [pid 1962] close(10 [pid 1961] <... unlinkat resumed>) = 0 [pid 313] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(3 [pid 309] <... unlink resumed>) = 0 [pid 313] umount2("./338/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1962] close(11 [pid 1963] <... openat resumed>) = 3 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./318/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1963] write(3, "1000", 4 [pid 1962] close(12 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] openat(AT_FDCWD, "./338/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1963] <... write resumed>) = 4 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1963] close(3 [pid 1962] close(13 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./318/cgroup.cpu" [pid 1963] <... close resumed>) = 0 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(5 [pid 313] fstat(4 [pid 1963] symlink("/dev/binderfs", "./binderfs" [pid 1962] close(14 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 313] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1963] <... symlink resumed>) = 0 [pid 1962] close(15 [pid 309] unlink("./318/cgroup.cpu" [pid 1963] write(1, "executing program\n", 18 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(6 [pid 313] getdents64(4 [pid 1962] close(16 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 309] <... unlink resumed>) = 0 [pid 1963] <... write resumed>) = 18 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(7 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./318/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1963] mkdirat(AT_FDCWD, "./config", 0777 [pid 1962] close(17 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1963] <... mkdirat resumed>) = 0 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(8 [pid 313] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./318/cgroup" [pid 1963] mount(NULL, "./config", "configfs", 0, NULL [pid 1962] close(18 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(4 [pid 1963] <... mount resumed>) = 0 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(9 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1962] close(19 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1963] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(10 [pid 313] rmdir("./338/config" [pid 309] unlink("./318/cgroup" [pid 1963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1962] close(20 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 1963] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(11 [pid 313] umount2("./338/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 1963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1962] close(21 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1962] close(22 [pid 1963] <... mkdirat resumed>) = 0 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(12 [pid 1963] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1962] close(23 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./338/binderfs" [pid 309] close(3 [pid 1963] <... symlinkat resumed>) = 0 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(13 [pid 1963] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1962] close(24 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 1963] <... unlinkat resumed>) = 0 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./338/binderfs" [pid 309] rmdir("./318" [pid 1963] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1962] close(25 [pid 1961] close(14 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 1963] <... unlinkat resumed>) = 0 [pid 1962] close(26 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./338/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1963] close(3 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(15 [pid 309] mkdir("./319", 0777 [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1962] close(27 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1963] close(4 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(16 [pid 309] <... mkdir resumed>) = 0 [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1962] close(28 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./338/cgroup.net" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1963] close(5 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(17 [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1962] close(29 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./338/cgroup.net" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1963] close(6 [pid 1962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(18 [pid 1962] exit_group(0 [pid 313] <... unlink resumed>) = 0 [pid 1962] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 1964 attached [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1962] +++ exited with 0 +++ [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] umount2("./338/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1964] set_robust_list(0x55555bb49760, 24 [pid 1963] close(7 [pid 1961] close(19 [pid 1964] <... set_robust_list resumed>) = 0 [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 309] <... clone resumed>, child_tidptr=0x55555bb49750) = 321 [pid 1964] rt_sigprocmask(SIG_SETMASK, [] [pid 1963] close(8 [pid 1961] close(20 [pid 313] newfstatat(AT_FDCWD, "./338/cgroup.cpu" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 1964] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1964] chdir("./319" [pid 1963] close(9 [pid 1961] close(21 [pid 313] unlink("./338/cgroup.cpu" [pid 1964] <... chdir resumed>) = 0 [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1963] close(10 [pid 1961] close(22 [pid 313] umount2("./338/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1964] <... prctl resumed>) = 0 [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] setpgid(0, 0 [pid 1963] close(11 [pid 1961] close(23 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1964] <... setpgid resumed>) = 0 [pid 1964] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] newfstatat(AT_FDCWD, "./338/cgroup" [pid 1964] <... symlink resumed>) = 0 [pid 1963] close(12 [pid 1961] close(24 [pid 1964] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1964] <... symlink resumed>) = 0 [pid 1963] close(13 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] unlink("./338/cgroup" [pid 1964] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(25 [pid 1964] <... symlink resumed>) = 0 [pid 1963] close(14 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... unlink resumed>) = 0 [pid 1964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(26 [pid 313] getdents64(3 [pid 1964] <... openat resumed>) = 3 [pid 1963] close(15 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 1964] write(3, "1000", 4 [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] close(27 [pid 313] close(3 [pid 1964] <... write resumed>) = 4 [pid 1963] close(16 [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] close(3 [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = 0 [pid 1964] <... close resumed>) = 0 [pid 1963] close(17 [pid 1961] close(28 [pid 313] rmdir("./338" [pid 1964] symlink("/dev/binderfs", "./binderfs" [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] <... symlink resumed>) = 0 [pid 313] <... rmdir resumed>) = 0 [pid 1963] close(18 [pid 1964] write(1, "executing program\n", 18 [pid 1961] close(29 [pid 313] mkdir("./339", 0777 [pid 1964] <... write resumed>) = 18 executing program [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] mkdirat(AT_FDCWD, "./config", 0777 [pid 1963] close(19 [pid 313] <... mkdir resumed>) = 0 [pid 1964] <... mkdirat resumed>) = 0 [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1961] exit_group(0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[] [pid 1964] mount(NULL, "./config", "configfs", 0, NULL [pid 1963] close(20 [pid 1961] <... exit_group resumed>) = ? [pid 313] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 1964] <... mount resumed>) = 0 [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 1964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 1964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 1961] +++ exited with 0 +++ [pid 313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1964] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 1963] close(21 [pid 310] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 1965 attached [pid 1964] <... symlinkat resumed>) = 0 [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1965] set_robust_list(0x55555bb49760, 24 [pid 1964] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1963] close(22 [pid 313] <... clone resumed>, child_tidptr=0x55555bb49750) = 341 [pid 312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1965] <... set_robust_list resumed>) = 0 [pid 1964] <... unlinkat resumed>) = 0 [pid 1965] rt_sigprocmask(SIG_SETMASK, [] [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 1965] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1964] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1963] close(23 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./326", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1965] chdir("./339") = 0 [pid 1964] <... unlinkat resumed>) = 0 [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1964] close(3 [pid 1963] close(24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1965] <... prctl resumed>) = 0 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./326", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1965] setpgid(0, 0 [pid 1964] close(4 [pid 1963] close(25 [pid 1965] <... setpgid resumed>) = 0 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 3 [pid 1965] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 1964] close(5 [pid 1963] close(26 [pid 310] fstat(3 [pid 1965] <... symlink resumed>) = 0 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1965] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 1964] close(6 [pid 1963] close(27 [pid 1965] <... symlink resumed>) = 0 [pid 310] getdents64(3 [pid 1965] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1964] close(7 [pid 1963] close(28 [pid 310] umount2("./326/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1965] <... openat resumed>) = 3 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... umount2 resumed>) = 0 [pid 1965] write(3, "1000", 4 [pid 1964] close(8 [pid 1963] close(29 [pid 1965] <... write resumed>) = 4 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] umount2("./326/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1965] close(3 [pid 1964] close(9 [pid 1963] exit_group(0 [pid 1965] <... close resumed>) = 0 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1963] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1965] symlink("/dev/binderfs", "./binderfs" [pid 1964] close(10 [pid 1965] <... symlink resumed>) = 0 [pid 1965] write(1, "executing program\n", 18) = 18 [pid 1965] mkdirat(AT_FDCWD, "./config", 0777 [pid 1963] +++ exited with 0 +++ [pid 1965] <... mkdirat resumed>) = 0 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 310] newfstatat(AT_FDCWD, "./326/config" [pid 1965] mount(NULL, "./config", "configfs", 0, NULL [pid 1964] close(11 [pid 311] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1965] <... mount resumed>) = 0 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 1964] close(12 [pid 310] umount2("./326/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1965] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 1964] close(13 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1965] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] openat(AT_FDCWD, "./326/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 1964] close(14 [pid 1965] <... mkdirat resumed>) = 0 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... openat resumed>) = 4 [pid 1965] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 1964] close(15 [pid 310] fstat(4 [pid 1965] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1965] <... unlinkat resumed>) = 0 [pid 1964] close(16 [pid 1965] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 1965] <... unlinkat resumed>) = 0 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1965] close(3 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1964] close(17 [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] getdents64(4 [pid 1965] close(4 [pid 1964] close(18 [pid 310] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(4 [pid 1965] close(5 [pid 1964] close(19 [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 1965] close(6 [pid 1964] close(20 [pid 310] rmdir("./326/config" [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1965] close(7 [pid 310] <... rmdir resumed>) = 0 [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] close(21 [pid 312] <... restart_syscall resumed>) = 0 [pid 310] umount2("./326/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1965] close(8 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] close(22 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1965] close(9 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] newfstatat(AT_FDCWD, "./326/binderfs" [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] close(23 [pid 312] umount2("./334", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1965] close(10 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] close(24 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./326/binderfs" [pid 1965] close(11 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] openat(AT_FDCWD, "./334", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] close(25 [pid 310] <... unlink resumed>) = 0 [pid 1965] close(12 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... openat resumed>) = 3 [pid 310] umount2("./326/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] close(26 [pid 312] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1965] close(13 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./326/cgroup.net" [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] close(27 [pid 312] getdents64(3 [pid 1965] close(14 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] close(28 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] unlink("./326/cgroup.net" [pid 1965] close(15 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./334/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] close(29 [pid 310] <... unlink resumed>) = 0 [pid 1965] close(16 [pid 1964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = 0 [pid 310] umount2("./326/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1964] exit_group(0 [pid 1965] close(17 [pid 1964] <... exit_group resumed>) = ? [pid 312] umount2("./334/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 1965] close(18) = -1 EBADF (Bad file descriptor) [pid 1965] close(19) = -1 EBADF (Bad file descriptor) [pid 1965] close(20) = -1 EBADF (Bad file descriptor) [pid 1965] close(21) = -1 EBADF (Bad file descriptor) [pid 1965] close(22) = -1 EBADF (Bad file descriptor) [pid 1965] close(23) = -1 EBADF (Bad file descriptor) [pid 1965] close(24) = -1 EBADF (Bad file descriptor) [pid 1965] close(25) = -1 EBADF (Bad file descriptor) [pid 1965] close(26) = -1 EBADF (Bad file descriptor) [pid 1965] close(27 [pid 1964] +++ exited with 0 +++ [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./326/cgroup.cpu" [pid 1965] close(28 [pid 312] newfstatat(AT_FDCWD, "./334/config" [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1965] close(29 [pid 312] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./326/cgroup.cpu" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] umount2("./334/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1965] exit_group(0 [pid 310] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 1965] <... exit_group resumed>) = ? [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1965] +++ exited with 0 +++ [pid 312] openat(AT_FDCWD, "./334/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./326/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... openat resumed>) = 4 [pid 313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 312] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 312] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./326/cgroup" [pid 312] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 310] unlink("./326/cgroup" [pid 312] getdents64(4, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 312] close(4 [pid 310] getdents64(3 [pid 312] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 312] rmdir("./334/config" [pid 310] close(3 [pid 312] <... rmdir resumed>) = 0 [pid 311] <... restart_syscall resumed>) = 0 [pid 312] umount2("./334/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./326" [pid 312] newfstatat(AT_FDCWD, "./334/binderfs" [pid 311] umount2("./328", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 312] unlink("./334/binderfs" [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./327", 0777 [pid 312] <... unlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 312] umount2("./334/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] openat(AT_FDCWD, "./328", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... openat resumed>) = 3 [pid 312] newfstatat(AT_FDCWD, "./334/cgroup.net" [pid 311] fstat(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] unlink("./334/cgroup.net" [pid 309] <... restart_syscall resumed>) = 0 [pid 311] getdents64(3ci2-android-5-15/strace-static-x86_64: Process 1966 attached [pid 1966] set_robust_list(0x55555bb49760, 24 [pid 312] <... unlink resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 310] <... clone resumed>, child_tidptr=0x55555bb49750) = 329 [pid 1966] <... set_robust_list resumed>) = 0 [pid 312] umount2("./334/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./328/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1966] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 1966] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] newfstatat(AT_FDCWD, "./334/cgroup.cpu" [pid 311] <... umount2 resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./319", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1966] chdir("./327" [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] umount2("./328/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1966] <... chdir resumed>) = 0 [pid 312] unlink("./334/cgroup.cpu" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1966] <... prctl resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] newfstatat(AT_FDCWD, "./328/config" [pid 309] openat(AT_FDCWD, "./319", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1966] setpgid(0, 0 [pid 312] umount2("./334/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1966] <... setpgid resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 311] umount2("./328/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1966] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 312] newfstatat(AT_FDCWD, "./334/cgroup" [pid 309] fstat(3 [pid 1966] <... symlink resumed>) = 0 [pid 312] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1966] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 312] unlink("./334/cgroup" [pid 311] openat(AT_FDCWD, "./328/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 1966] <... symlink resumed>) = 0 [pid 312] <... unlink resumed>) = 0 [pid 311] <... openat resumed>) = 4 [pid 1966] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 312] getdents64(3 [pid 311] fstat(4 [pid 309] getdents64(3 [pid 1966] <... symlink resumed>) = 0 [pid 312] <... getdents64 resumed>, 0x55555bb4a810 /* 0 entries */, 32768) = 0 [pid 311] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] close(3 [pid 309] <... getdents64 resumed>, 0x55555bb4a810 /* 7 entries */, 32768) = 208 [pid 1966] <... openat resumed>) = 3 [pid 312] <... close resumed>) = 0 [pid 311] getdents64(4 [pid 1966] write(3, "1000", 4 [pid 312] rmdir("./334" [pid 309] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 2 entries */, 32768) = 48 [pid 1966] <... write resumed>) = 4 [pid 312] <... rmdir resumed>) = 0 [pid 1966] close(3 [pid 311] getdents64(4 [pid 312] mkdir("./335", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 1966] <... close resumed>) = 0 [pid 311] <... getdents64 resumed>, 0x55555bb52850 /* 0 entries */, 32768) = 0 [pid 1966] symlink("/dev/binderfs", "./binderfs" [pid 312] <... mkdir resumed>) = 0 [pid 311] close(4 [pid 309] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1966] <... symlink resumed>) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 311] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1966] write(1, "executing program\n", 18 [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 311] rmdir("./328/config" [pid 309] newfstatat(AT_FDCWD, "./319/config" [pid 1966] <... write resumed>) = 18 executing program [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1966] mkdirat(AT_FDCWD, "./config", 0777 [pid 311] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1966] <... mkdirat resumed>) = 0 [pid 1966] mount(NULL, "./config", "configfs", 0, NULL) = 0 ci2-android-5-15/strace-static-x86_64: Process 1967 attached [pid 1966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 311] umount2("./328/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./319/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] <... clone resumed>, child_tidptr=0x55555bb49750) = 337 [pid 1967] set_robust_list(0x55555bb49760, 24 [pid 1966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1967] <... set_robust_list resumed>) = 0 [pid 1966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 311] newfstatat(AT_FDCWD, "./328/binderfs" [pid 309] openat(AT_FDCWD, "./319/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1967] rt_sigprocmask(SIG_SETMASK, [] [pid 1966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 313] <... restart_syscall resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1967] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 1966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 311] unlink("./328/binderfs" [pid 309] <... openat resumed>) = 4 [pid 1967] chdir("./335" [pid 1966] <... mkdirat resumed>) = 0 [pid 1966] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 311] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 1967] <... chdir resumed>) = 0 [pid 1966] <... symlinkat resumed>) = 0 [pid 313] umount2("./339", MNT_FORCE|UMOUNT_NOFOLLOW [pid 311] umount2("./328/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 1967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1966] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 313] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1967] <... prctl resumed>) = 0 [pid 1966] <... unlinkat resumed>) = 0 [pid 313] openat(AT_FDCWD, "./339", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] newfstatat(AT_FDCWD, "./328/cgroup.net" [pid 309] getdents64(4 [pid 1967] setpgid(0, 0 [pid 1966] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 1967] <... setpgid resumed>) = 0 [pid 1966] <... unlinkat resumed>) = 0 [pid 313] <... openat resumed>) = 3 [pid